40th week of 2017 patent applcation highlights part 82 |
Patent application number | Title | Published |
20170288731 | COMMUNICATIONS DEVICE - One example discloses a communications device, including: a bio-antenna conducting surface configured to receive a set of bio-antenna modulated broadcast signals; wherein the conducting surface is configured to receive the set of bio-antenna modulated broadcast signals through a capacitively coupling; a broadcast receiver coupled to the conducting surface; and wherein the conducting surface is configured to pass the broadcast signals to the broadcast receiver. | 2017-10-05 |
20170288732 | INTEGRATED CIRCUIT INCLUDING MULTIPLE TRANSMITTERS AND NEAR FIELD COMMUNICATION SYSTEM INCLUDING THE CIRCUIT - An integrated circuit for near field communication (NFC) is provided. The integrated circuit includes a semiconductor substrate; a first transmitter disposed on the semiconductor substrate and configured to operate in a first NFC card mode, an NFC reader mode, and a peer-to-peer mode; a second transmitter disposed on the semiconductor substrate and configured to operate in a second NFC card mode; first transmitting pins connected to the semiconductor substrate and configured to transmit an output signal of the first transmitter to a first NFC antenna; second transmitting pins connected to the semiconductor substrate and configured to transmit an output signal of the second transmitter to a second NFC antenna; and a logic circuit disposed on the semiconductor substrate and configured to receive a control signal, and control an operation of the first transmitter and an operation of the second transmitter based on the control signal. | 2017-10-05 |
20170288733 | Method of Connecting One or More Contactless Components to a Single Antenna, and Corresponding System - An electronic device includes an antenna, an irremovable component, a removable component, an impedance matching circuit, and a controller. The impedance matching circuit is arranged in a first configuration corresponding to the removable component connected to the irremovable component. The impedance matching circuit has a first capacitor, a second capacitor, and a third capacitor. The controller is configured to arrange the impedance matching circuit in a second configuration corresponding to the removable component being disconnected from the irremovable component. | 2017-10-05 |
20170288734 | NEAR-FIELD COMMUNICATION (NFC) READER OPTIMIZED FOR HIGH PERFORMANCE NFC AND WIRELESS POWER TRANSFER WITH SMALL ANTENNAS - A device for near-field communication (NFC) and wireless power transfer. The device has an antenna resonant circuit that includes an antenna for transmitting and receiving signals, a multi-Q antenna matching circuit for adjusting a Q-factor of the antenna resonant circuit, and an antenna driver for driving the antenna through the multi-Q antenna matching circuit. The device also includes a microcontroller (MCU) configured to control the multi-Q antenna matching circuit to switch between a high-Q mode for wireless power transfer and a low-Q mode for NFC. | 2017-10-05 |
20170288735 | NEAR-FIELD COMMUNICATION (NFC) TAGS OPTIMIZED FOR HIGH PERFORMANCE NFC AND WIRELESS POWER RECEPTION WITH SMALL ANTENNAS - A device for near-field communication (NFC) and wireless power reception (WPR) using a magnetic field. The device has an antenna resonant circuit. The antenna resonant circuit includes an antenna for magnetic flux of the magnetic field to flow therethrough, to thereby receive a NFC signal during the NFC and receive wireless power during the WPR, and a multi-Q antenna matching circuit configured to adjust an impedance of the antenna to thereby adjust a quality factor (Q-factor) of the antenna resonant circuit. The multi-Q antenna matching circuit is configured to switch between a high-Q mode for the WPR and a low-Q mode for the NFC, based on whether strength of the magnetic field is larger than a predetermined threshold. The device may also include two separate antenna resonant circuits, of which the Q-factors are respectively no higher than 25 and no lower than 50. | 2017-10-05 |
20170288736 | NEAR-FIELD COMMUNICATION (NFC) SYSTEM AND METHOD FOR HIGH PERFORMANCE NFC AND WIRELESS POWER TRANSFER WITH SMALL ANTENNAS - A method for a near-field communication (NFC) tag to perform NFC and wireless power transfer (WPT) with an NFC reader, the NFC tag having an antenna resonant circuit, of which a quality factor (Q-factor) is no lower than 50 in a high-Q mode of the NFC tag, and no higher than 25 in a low-Q mode of the NFC tag. The method includes continuously preforming steps of detecting an NFC radio frequency (RF) field generated by the NFC reader, measuring strength of the NFC RF field, operating in the high-Q mode for the WPT upon determining that the strength of the NFC RF field is larger than a predetermined threshold, operating in the low-Q mode for the NFC upon determining that the strength of the NFC RF field is smaller than the predetermined threshold, and transmitting a response back to the NFC reader. | 2017-10-05 |
20170288737 | METHOD AND DEVICE FOR WIRELESSLY TRANSMITTING POWER - Provided is a device for transmitting wireless power. The wireless power transmitting device includes a communication unit, a power receiving unit, and a processor. The processor is configured to obtain, through the communication unit, communication establishment information and location information associated with a wireless charging area from a tag device, establish, through the communication unit, communication with a wireless power transmitting device based on the communication establishment information, and control to transmit the location information to the wireless power transmitting device. The power receiving unit wirelessly receives the power from the wireless power transmitting device after the communication unit transmits the location information. | 2017-10-05 |
20170288738 | WIRELESS POWER TRANSMITTING DEVICE AND METHOD FOR CONTROLLING THE SAME - According to an embodiment a wireless power transmitting device, includes a power transmission antenna including patch antennas to wirelessly transmit power, and communication antennas configured to receive a communication signal from an electronic device. The wireless power transmitting device also includes a processor configured to detect a direction in which the electronic device is positioned based on the communication signal received through the communication antennas and control the power transmission antenna to transmit the power in the detected direction. | 2017-10-05 |
20170288739 | WIRELESS POWER TRANSMITTING DEVICE AND METHOD FOR CONTROLLING THE SAME - Methods and apparatuses are provided for controlling a wireless power transmitting device. Information is received about a position of an electronic device from another wireless power transmitting device. Power is transmitted to the electronic device using the information about the position of the electronic device received from the other wireless power transmitting device. | 2017-10-05 |
20170288740 | EXCHANGING SIGNALS WIRELESSLY BETWEEN DEVICES - Examples disclosed herein provide for the exchange of signals wirelessly between devices. One example includes a first wireless communication unit of a first device and a second wireless communication unit of a second device. The example further includes a first magnetic member disposed within the first device to magnetically couple with a second magnetic member disposed within the second device when the first and second devices are to be placed within proximity of each other. The first and second wireless communication units may exchange signals between the first device and the second device over a wireless communication link formed by the magnetically coupled magnetic members. | 2017-10-05 |
20170288741 | DEMODULATOR OF A WIRELESS COMMUNICATION READER - A demodulator including a peak sampler to control an ADC or a digital resampler to sample a carrier signal in an unmodulated state at peaks, and to sample the carrier signal in a modulated state at a phase of the unmodulated state; and an envelope builder to determine an envelope signal based on differentials between maximum and minimum peaks of respective cycles of the sampled carrier signal. Further, a demodulator having an offset estimator to estimate in-phase and quadrature components of a carrier signal in an unmodulated state to determine in-phase and quadrature component offsets; a load modulated signal estimator to estimate in-phase and quadrature components of a load modulated signal by removing the in-phase and quadrature component offsets from in-phase and quadrature component samples of the carrier signal; and an envelope builder to build an envelope signal by combining the in-phase and quadrature components of the load modulated signal. | 2017-10-05 |
20170288742 | WIRELESS DATA TRANSMISSION METHOD, NETWORK SIDE DEVICE, USER EQUIPMENT, AND SYSTEM - Embodiments of the present invention disclose a wireless data transmission method, including: obtaining a repetition quantity required for data transmission of each user equipment (UE) in a management range, and determining a round trip time (RTT) of the UE according to obtained repetition quantity information of the UE, process quantity information of the UE, and a transmission time interval (TTI). A repetition quantity required by a UE may be learned of by using repetition quantity information of the UE. Therefore, for a coverage capability of each UE, each RTT can include as few processes as possible, provided that a requirement of the UE for a repetition quantity is met. In this way, a probability of successful data decoding may be efficiently improved, thereby efficiently improving a coverage capability of UE in wireless communication. | 2017-10-05 |
20170288743 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING REFERENCE SIGNALS IN WIRELESS COMMUNICATION - A base station includes a controller configured to configure an MRS resource set comprising a group of MRS resources, each MRS resource comprising a set of MRS antenna ports. If at least two MRS antenna ports belong to a same MRS resource, then the at least two MRS antenna ports are quasi co-located with respect to a first set of QCL parameters, else if the at least two MRS antenna ports belong to a same MRS resource set, then the at least two MRS antenna ports are quasi co-located with respect to a second set of QCL parameters, and else the at least two MRS antenna ports are not quasi co-located with respect to either the first set or the second set of QCL parameters. The MRS is a CSI-RS for estimating a CSI and at least one of the first set and the second set of QCL parameters. | 2017-10-05 |
20170288744 | BITRATE EFFICIENT TRANSPORT THROUGH DISTRIBUTED ANTENNA SYSTEMS - An antenna unit includes a first physical layer processor configured to receive a first downlink physical layer signal from an upstream device and to convert first downlink physical layer signal into first downlink higher layer data units; a higher layer processor configured to convert first downlink higher layer data units into second downlink higher layer data units; a second physical layer processor configured to generate a second downlink physical layer signal from second downlink higher layer data units; and a radio frequency conversion module configured to convert second downlink physical layer signal into radio frequency signals for communication using an antenna. Communication between upstream device and antenna unit using first downlink physical layer signal having first downlink higher layer data units has a lower data rate than would communication between upstream device and antenna unit using second downlink physical layer signal having second downlink higher layer data units. | 2017-10-05 |
20170288745 | METHOD AND DEVICE FOR TRANSMITTING DATA UNIT - A method for transmitting a data unit and a device suing the same is provided. The device generates a physical layer protocol data unit (PPDU) that includes a first part and a second part. The first and second part are generated with different fast Fourier transform (FFT) size. A phase rotation of the second part is different from a phase rotation of the first part. | 2017-10-05 |
20170288746 | METHOD AND APPARATUS FOR CHANNEL SOUNDING FOR A MU-MIMO WIRELESS COMMUNICATION NETWORK - In a multi user multiple input multiple output MU-MIMO wireless communication network comprising an access point and subscriber modules, a method of channel sounding comprises forming a respective MU-MIMO beam from the access point to each subscriber module of a first sounding group of subscriber modules by applying a beamforming weightset to a weighting matrix, the beamforming weightset determined based on previously determined channel estimates. Each MU-MIMO beam is used to transmit a respective sounding symbol, each respective sounding symbol being different from each other sounding symbol of the first sounding group. A first sounding symbol is received at a first subscriber module of the first sounding group, and it is determined whether to send a response message to the access point on the basis of a determination of a received level of interference to the first sounding symbol. | 2017-10-05 |
20170288747 | WIRELESS DEVICE AND METHOD FOR ITERATIVE DECODING FOR MU-MIMO WIRELESS SYSTEMS - Embodiments relate to systems, methods, and computer readable media to enable a wireless receiver are described. In one embodiment a wireless receiver includes a channel decoder and a Soft-Input Soft-Output Multiple-Input Multiple-Output detector (SISO MIMO detector). The SISO MIMO detector includes circuitry to generate soft symbol outputs for each of a plurality of received spatial streams, and circuitry to adjust a signal to noise plus interference ratio for the soft symbol outputs using channel statistics and using hard decisions from an output of the channel decoder. The channel decoder is configured to receive soft binary information generated from the soft symbol outputs from the SISO MIMO detector and perform these steps iteratively a number of times. | 2017-10-05 |
20170288748 | PREAMBLE SELECTION FOR SIMULTANEOUS TRANSMISSIONS IN WIRELESS LOCAL AREA NETWORK (WLAN) SYSTEMS - Systems, methods, and instrumentalities are provided to determine a physical layer (PHY) protocol data unit (PPDU) format. A determination may be made if a basic service set (BSS) includes a first-type legacy station, wherein the first-type legacy station is a pre-802.1 In device. A determination may be made if stations in the BSS support a short format preamble. A determination may be made if beamforming or precoding is to be used in association with an upcoming multi-user transmission. An indication of a selected PPDU preamble format may be sent to a station in the BSS via a multi-user transmission, wherein a long format preamble is selected when the BSS includes the first-type legacy station, beamforming is to be used in association with the upcoming multi-user transmission, or precoding is to be used in association with the upcoming multi-user transmission, and the short format preamble is selected when the BSS does not include the first-type legacy station, beamforming is to not be used in association with the upcoming multi-user transmission, and precoding is not to be used in association with the upcoming multi-user transmission. | 2017-10-05 |
20170288749 | DEVICE AND METHOD FOR GENERATING PRECODING MATRIX, AND STORAGE MEDIUM - The disclosure discloses a device for generating a precoding matrix. The device includes: a parameter calculator, a counter and an element generating module. The parameter calculator is configured to calculate, according to a first Precoding Matrix Identifier (PMI) and a second PMI, a first parameter and a second parameter used for determining a precoding matrix, and send the first parameter and the second parameter to the element generating module. The counter is configured to control the row numbers of elements in the precoding matrix that are generated by the element generating module. The element generating module is configured to generate the elements corresponding to the row numbers in the precoding matrix according to the received first parameter and second parameter and the row numbers. The disclosure also discloses a method for generating a precoding matrix, and a storage medium. | 2017-10-05 |
20170288750 | DEVICE AND METHOD FOR WIRELESS COMMUNICATIONS - A device and method for wireless communications. The device includes: an information acquisition unit, configured to acquire channel information about a transmission object and a non-transmission object for wireless communications, wherein the transmission of the transmission object is controlled by the device and transmission of the non-transmission object is not controlled by the device; and an interference reducing unit, configured to reduce interference with the non-transmission object based on the channel information about the transmission object and the non-transmission object. | 2017-10-05 |
20170288751 | METHODS AND DEVICES FOR DETERMINING PRECODER PARAMETERS IN A WIRELESS COMMUNICATION NETWORK - A method and a device for determining parameters of a precoder in a wireless communication system are disclosed. According to one aspect, a method includes selecting a subset of beams corresponding to a plurality of orthogonal beams; obtaining power levels of the selected subset of beams for generating a first factor of the precoder and obtaining phases of the selected subset of beams for generating a second factor, wherein the first factor and the second factor are part of the parameters of the precoder. | 2017-10-05 |
20170288752 | METHOD AND APPARATUS FOR SELECTING ANTENNA FOR DUAL CONNECTIVITY IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for configuring UE transmit antenna selection in a wireless communication system is provided. A user equipment (UE) receiving a configuration of UE transmit antenna selection from a network, and determines whether to apply the configuration of UE transmit antenna selection according to a configuration of dual connectivity. When the configuration of dual connectivity is not received from the network, it is determined to apply the configuration UE transmit antenna selection. | 2017-10-05 |
20170288753 | CORRECTING SATELLITE POINTING DIRECTION - Each of a plurality of signal measurement circuits is included in a terminal. Each measurement circuit receives a signal from a transmitter in a satellite and measures characteristics of the signal. A computer is programmed to receive data from the signal measurement circuits. The data indicates characteristics of the signal, including a strength of the signal. The computer determines an initial estimated satellite pointing direction, and generates subsequent estimated satellite pointing directions. For the initial and subsequent estimated pointing directions, the strength of the signal received by each measurement circuit is compared with an expected strength of the signal based on the respective estimated pointing direction. Each subsequent estimate is based at least in part on the comparison of the immediately preceding estimate. Based on the comparisons, the computer estimates a current satellite pointing direction. | 2017-10-05 |
20170288754 | BASE STATION APPARATUS, TERMINAL DEVICE, AND COMMUNICATION METHOD - Provided are a base station apparatus, a terminal device, and a communication method that can realize a small cell network while reducing load on the terminal device, the small cell network including a small cell performing massive MIMO transfer. The base station apparatus of the present invention is a second base station apparatus included in a communication system in which a plurality of the second base station apparatuses capable of acquiring assistance information from a first base station apparatus communicates with a terminal device, the base station apparatus including a codebook that describes a plurality of linear filters, in which the same cell identification number as at least one of the other second base station apparatuses is configured, and a synchronization signal correlated with the cell identification number is transmitted on the basis of the plurality of linear filters after first precoding of the synchronization signal. | 2017-10-05 |
20170288755 | METHOD AND DEVICE FOR TRANSMITTING SIGNAL - A method for transmitting a signal, according to the present invention, comprises the steps of: determining the beam width of a beam to be transmitted; determining, on the basis of the beam width, relative narrowband transmit power (RNTP) information indicating whether a transmission power of at least a predetermined critical value is transmitted to a predetermined resource block; transmitting the RNTP information to an adjacent cell; and transmitting the generated beam to the resource block according to the RNTP information. Provided through the invention is a method for configuring an RNTP value for controlling inter-cell interference in a communication system. | 2017-10-05 |
20170288756 | APPARATUS, SYSTEM AND METHOD OF BEAMFORMING - Some demonstrative embodiments include apparatuses, devices, systems and methods of beamforming. For example, a first station may be configured to transmit to a second station a plurality of sector sweep (SSW) frames of a first beamforming transmission of a beamforming procedure, a SSW frame of the first beamforming transmission including a duration value to indicate a time until at least a beginning of a second beamforming transmission subsequent to the first beamforming transmission; and to receive from the second station one or more SSW frames of the second beamforming transmission. | 2017-10-05 |
20170288757 | METHOD OF REPORTING CHANNEL STATE AND APAPRATUS THEREFOR - A method of reporting a channel state, which is reported by a terminal configured to transmit and receive data while hopping in a unit of the specific number of resource blocks (RBs) in a wireless communication system, includes receiving a random access response including an aperiodic channel state report request in response to a transmitted random access preamble, calculating channel state information according to the aperiodic channel state report request in consideration of the number of repetitive transmissions for the terminal, and reporting the calculated channel state information to a base station. In this case, the number of repetitive transmissions for the terminal may be determined by a predetermined or signaled value. | 2017-10-05 |
20170288758 | BASE STATION AND USER EQUIPMENT - Some techniques for implementing estimation of channel states with high accuracy and efficient feedback of the channel states in 3D MIMO are disclosed. One aspect of the present invention relates to user equipment for implementing 3D MIMO (3-Dimensional Multiple-Input Multiple-Output) communication, comprising: a channel state information generation unit configured to measure channel states of antenna ports of 3D MIMO antennas in a base station with reference signals transmitted from the antenna ports and generate channel state information based on the measured channel states; and a channel state information feedback unit configured to use different channel state information feedback means for antenna ports in respective dimensions of the antennas to feed the generated channel state information back to the base station. | 2017-10-05 |
20170288759 | CHANNEL ESTIMATION FOR PER-TONE CONTINUOUS PRECODING IN DOWNLINK MIMO TRANSMISSION - In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The apparatus may receive a transmission over a precoded channel. The transmission may include a layer having a plurality of symbols, each symbol having a plurality of modulated tones precoded on a per-tone basis. The receive layer may be associated with a power delay profile. The apparatus may estimate the precoded channel based on a time support of the power delay profile. | 2017-10-05 |
20170288760 | PRECODING INFORMATION COLLECTION METHOD AND TRANSMISSION DEVICE - Embodiments of the present invention disclose a precoding information collection method and a transmission device and relate to the communications field. A specific solution is: precoding, by a transmit side, a first pilot signal according to a first precoding matrix, and sending a precoded first pilot signal to a receive side, where the first precoding matrix is the same as a precoding matrix used for current data transmission; precoding, by the transmit side, N second pilot signals according to N second precoding matrices, and sending N precoded second pilot signals to the receive side, where N is an integer greater than or equal to 1, the second precoding matrices used for precoding the second pilot signals are different from each other, and the N second precoding matrices are different from the first precoding matrix; and receiving, by the transmit side, precoding feedback information sent by the receive side. | 2017-10-05 |
20170288761 | ANTENNA SIGNAL TRANSMISSION APPARATUS AND ANTENNA SIGNAL TRANSMISSION METHOD - An antenna is provided and characterized by searching a look-up table for emission angle information according to an incident angle of a radio frequency input signal and driving an antenna array to emit a radio frequency output signal in a direction corresponding to an incident direction of the radio frequency input signal according to the emission angle information. | 2017-10-05 |
20170288762 | PHASED ARRAY TRANSMISSION DEVICE AND CARRIER LEAK CORRECTION METHOD - Provided is a phased array transmission device including: a plurality of transmission branches, each being provided with a phase shift unit that applies a phase rotation to a baseband signal, a DC offset correction unit that adds a first correction value to an output signal of the phase shift unit, and a mixer that subjects an output signal of the DC offset correction unit to a frequency conversion to a high frequency band; and a correction control unit that calculates a second correction value with which a carrier leak component included in an output signal of the mixer is minimized, for each of a plurality of candidates for a phase rotation amount that is set for the phase rotation, and determines the first correction value on the basis of the second correction value. | 2017-10-05 |
20170288763 | METHOD AND APPARATUS FOR MANAGING BEAM IN BEAMFORMING SYSTEM - A pre-5th-generation (5G) or 5G communication system for supporting higher data rates Beyond 4th-generation (4G) communication system such as long term evolution (LTE) is provided. In a beam update method of a terminal, measuring a beam reference signal (BRS) transmitted from a base station, determining whether a beam measurement information transmission condition is satisfied, if the beam measurement information transmission condition is satisfied, transmitting beam measurement information to the base station, receiving information about a base station transmitting beam from the base station, and updating information about a terminal receiving beam based on the received information about the base station transmitting beam. | 2017-10-05 |
20170288764 | FULLY FLEXIBLE MULTI-TUNER FRONT END ARCHITECTURE FOR A RECEIVER - In an example, a method includes: in a first mode, causing a first tuner of an entertainment system to receive and process a first RF signal from a first antenna configured for a first band to output a first audio signal of a first radio station and causing a second tuner of the entertainment system to receive a second RF signal from a second antenna configured for the first band to determine signal quality metrics for one or more radio stations of the first band; in a second mode, causing the first tuner to output a first signal representation of the first RF signal and causing the second tuner to receive and process the second RF signal to output a second signal representation of the second RF signal; and causing a phase diversity combining circuit to process the first and second signal representations to output an audio signal of the first radio station, without disruption of output from the entertainment system of a broadcast of the first radio station. | 2017-10-05 |
20170288765 | MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) ANTENNA SWAPPING CIRCUIT - Aspects disclosed herein include a multiple-input multiple-output (MIMO) antenna swapping circuit. The MIMO antenna swapping circuit includes primary switching circuitry configured to be coupled to a first antenna and a third antenna, and secondary switching circuitry configured to be coupled to a second antenna and a fourth antenna. The primary switching circuitry is coupled to the secondary switching circuitry via no more than three conductive mediums to enable antenna swapping between the first antenna, the second antenna, and the fourth antenna. By coupling the primary switching circuitry and the secondary switching circuitry via no more than three conductive mediums, it is possible to reduce the number of conductive medium in the MIMO antenna swapping circuit, thus helping to reduce cost, footprint, and complexity of the MIMO antenna swapping circuit. | 2017-10-05 |
20170288766 | NARROWBAND SIGNAL DETECTION FOR NETWORK PROTECTION - Technology for a repeater is disclosed. The repeater can include a narrowband detector configured to detect one or more power levels that correspond to one or more signals communicated in one or more sub-bands of a selected band. The repeater can include a controller. The controller can select a signal from the one or more signals based on a power level of the selected signal. The controller can adjust a gain or output power of the repeater based on the power level of the selected signal communicated in the one or more sub-bands of the selected band. | 2017-10-05 |
20170288767 | BASE STATION SIGNAL MATCHING DEVICE - A base station signal matching device is a base station signal matching device mounted in a distributed antenna system for amplifying a received base station signal and transmitting the amplified base station signal to a user terminal. The base station signal matching device includes a first unit for generating first and second branch base station signals by using a power division function based on the base station signal, and transmitting the second branch base station signal to a third unit, and a second unit for matching the first branch base station signal to be suitable for signal processing of the distributed antenna system. | 2017-10-05 |
20170288768 | Drone Base Station Companion - Use of a drone base station companion increases diversity gain in a communications system to reduce error rates and the probability of the need for a retransmission due to channel fading. An apparatus includes a drone base station companion configured as a relay between a base station in a first cell and wireless user equipment in the first cell. The drone base station companion includes a wireless receiver path configured to receive a wireless communication including data from the base station. The drone base station companion includes a wireless transmitter path configured to transmit the data to the wireless user equipment. The drone base station companion may include a second wireless receiver path configured to receive a second wireless communication including the data from the wireless user equipment. The drone base station companion may include a second wireless transmitter path configured to transmit the second data to the base station. | 2017-10-05 |
20170288769 | FLEXIBLE BEAMFORMING FOR SATELLITE COMMUNICATIONS - Systems and methods for supporting more flexible coverage areas and spatial capacity assignments using satellite communications systems are disclosed. A hub-spoke, bent-pipe satellite communications system includes: terminals; gateways; a controller for specifying data for controlling satellite operations in accordance with a frame definition including timeslots for a frame and defining an allocation of capacity between forward and return traffic. The satellite communications system may employ a satellite with a feed array assembly and may use on-board beamforming or ground-based beamforming. Beam hopping within timeslots of the frame may be used to provide coverage to different cells in different time periods. The flexible coverage areas may be provided using changes in satellite position, antenna patterns, or beam resource allocations. | 2017-10-05 |
20170288770 | ELECTRO-OPTIC TRANSCEIVER MODULE WITH WAVELENGTH COMPENSATION - An electro-optic transceiver module, method of manufacturing, and method of transmitting signals are provided that allow multiple optical signals at different wavelengths (e.g., according to CWDM) to be combined for transmission via a number of optical fibers that is smaller than the number of electrical channels according to which the optical signals were generated. Thus, CWDM may be used in connection with lower-cost VCSEL technology (e.g., as opposed to higher-cost edge-emitting lasers) by providing for wavelength compensation at the VCSEL driver to offset any changes in wavelength that may have otherwise occurred at the VCSELs. In particular, a microcontroller of the electro-optic transceiver module correlates a monitored temperature of the VCSELs to an actual wavelength of the corresponding optical signals transmitted by the respective VCSELS and determined an adjustment in a current supplied by the VCSEL driver to each VCSEL to achieve more precise and consistent wavelengths at the VCSELs. | 2017-10-05 |
20170288771 | APPARATUS AND METHOD FOR MEASURING FREQUENCY RESPONSE CHARACTERISTICS OF OPTICAL TRANSMITTER AND OPTICAL RECEIVER - An apparatus and method for measuring frequency response characteristics of an optical transmitter and an optical receiver where the apparatus includes: a generating unit configured to generate a driving signal for driving the modulator of the optical transmitter, which comprises at least two frequencies; and a calculating unit configured to respectively calculate the frequency response characteristics of the optical transmitter and the optical receiver according to output signal components in output signals of the optical receiver corresponding to at least two detection signal components of identical amplitudes and different frequencies in detection signals. The frequency response characteristics of the optical transmitter and the optical receiver may be obtained, the amplitude responses and phase responses in the frequency response characteristics may be respectively obtained, and the measurement results are accurate and reliable. | 2017-10-05 |
20170288772 | METHOD AND APPARATUS FOR MONITORING IN-LINE SIGNAL QUALITY AND SYSTEM - A method and apparatus for monitoring in-line signal quality and a system. The method for monitoring in-line signal quality includes: according to signal to noise ratios (SNRs) of subcarriers obtained in a transmission initialization period, setting a subcarrier with a highest SNR to be a pilot subcarrier and other subcarriers to be data subcarriers; determining bit allocation and power allocation of the pilot subcarrier and bit allocation and power allocation of the data subcarriers; setting data-decision-based SNR measurement thresholds for the data subcarriers according to the bit allocation of the data subcarriers; and comparing the SNRs of the data subcarriers obtained through data-decision-based SNR measurement in a transmission period with the SNR measurement thresholds of the data subcarriers, and when an SNR of a data subcarrier is less than its SNR measurement threshold, trigger pilot-based SNR measurement of the data subcarrier. Hence, not only temporally continuous in-line signal quality monitoring may be provided, but also accuracy of the monitoring result may be guaranteed. | 2017-10-05 |
20170288773 | Apparatus And Methods For Mitigating Wavelength Drift In An Optical Communication Network - An apparatus and method for mitigating wavelength drift in an optical communication network. A network node such as an OLT in a PON receives a transmission on a certain optical channel. The received signal is of course sent to a receive module for processing the data contained therein, and may be sent to an RSSI module for signal strength analysis. A portion of the received transmission, however, is directed to a wavelength control section where it is divided into at least a first path and a second path, the second path having a wavelength discriminator filter. The light propagating along each path is converted to an electrical signal and digitized for comparison by a microcontroller. The microcontroller calculates one or more power ratios and from this determines the receive signal wavelength. This wavelength is compared to the wavelength of a selected channel to determine what if any adjustments should be made. | 2017-10-05 |
20170288774 | SYSTEM AND METHOD FOR COMMUNICATION WITH A MOBILE DEVICE VIA A POSITIONING SYSTEM INCLUDING RF COMMUNICATION DEVICES AND MODULATED BEACON LIGHT SOURCES - A light source emits a modulated light, and a radio-frequency transceiver disposed therewith emits a radio-frequency signal. A mobile device may receive either or both signals and determine its position based thereon. The light and radio-frequency sources may be disposed in node in a network of said sources, and the nodes may communicate via the radio-frequency transceivers. | 2017-10-05 |
20170288775 | Optical Amplifier with Closed Loop Control for Scintillation Compensation in Free Space Optical Communications - A method includes receiving a first optical signal at a first communication terminal from a second communication terminal through a free space optical link and determining a receiving power for the optical link based on the first optical signal. The method further includes adjusting an output amplification at the first communication terminal based on the receiving power for the optical link. The output amplification is adjusted to provide a second optical signal with a minimum transmission power for maintaining the optical link. The method transmits the second optical signal from the first communication terminal to the second communication terminal through the optical link. | 2017-10-05 |
20170288776 | Free Space Optical Communication Tracking with Electronic Boresight Compensation and Co-Boresighted Transmit and Receive Optics - Exemplary embodiments described herein include a bi-directional Free Space Optical (FSO) communication unit that may be used in a multi-node FSO communication system. The bi-directional FSO unit may include a co-boresighted optical unit such that received and transmitted beams are coincident through a common aperture. Embodiments described herein may be used to correct or accommodate the alignment errors of the received and transmitted beams. | 2017-10-05 |
20170288777 | A PASSIVE OPTICAL NETWORKS STRUCTURE AND A REMOTE NODE IN A BACKHAUL COMMUNICATION NETWORK - A Passive Optical Networks (PONs) structure and a remote node in such a structure constituting at least a part of a backhaul network for supporting a Radio Access Network, in which a number of radio base stations are connected to optical networks units (ONUs) of said PONs structure. The ONUs of said PONs structure are grouped between separate PONs of said PONs structure. The ONUs of a separate PON are interconnected passively through a remote node of the PON in order to separate inter base station traffic of X2 interfaces from uplink and downlink data traffic of S1 interface heading from/to a core network via an optical line terminal (OLT). The remote node comprises of power splitter for enabling interconnection between ONUs of different PONs of said PONs structure. | 2017-10-05 |
20170288778 | METHOD AND DEVICE FOR DETERMINING LOCATION OF OPTICAL SPLITTER - A method and a device for determining a location of an optical splitter are provided. With the method, optical network units in a PON network are classified into K clusters based on locations of the optical network units with a K-means clustering-based algorithm. Distances between multiple optical network units in the same cluster are small. If it is determined that the number of the optical network units in each of the clusters does not exceed a threshold, a central office is added into the K clusters to obtain K new clusters; and for each of the new clusters, a location of an optical splitter corresponding to the new cluster is determined, so as to ensure that a sum of distances between the location of the optical splitter and locations of all elements in the new cluster is minimized. | 2017-10-05 |
20170288779 | HOST-EQUALIZED OPTICAL LINKS - An embodiment includes a host-equalized optical transceiver. The host-equalized optical transceiver includes a driver analog interface, a linear laser diode driver (LLDD), and an optical transmitter. The driver analog interface is configured to interface with a host integrated circuit (IC) of a host system. The LLDD is directly electrically coupled to a host IC of the host system via the driver analog interface. The LLDD is configured to receive an equalized electrical data signal directly from the host IC via the driver analog interface and to generate a driving signal based on the equalized electrical data signal. The equalized electrical data signal is a linear signal. The optical transmitter is electrically coupled to the LLDD. The optical transmitter is configured to receive the driving signal from the LLDD and to generate an optical signal that is representative of the driving signal. | 2017-10-05 |
20170288780 | OPTOELECTRONIC TRANSCEIVER ASSEMBLIES - Apparatuses including integrated circuit (IC) optical assemblies and processes for fabrication of IC optical assemblies are disclosed herein. In some embodiments, the IC optical assemblies include an optical transmitter component electrically coupled to a first portion of a packaging substrate. The IC optical assemblies further include an optical transmitter driver component between the optical transmitter component and a second portion of the packaging substrate, wherein a first side of the optical transmitter driver component is electrically coupled to the optical transmitter component. The IC optical assemblies further include a plurality of bumps between a second side of the optical transmitter driver component and proximate the second portion of the packaging substrate, wherein the plurality of bumps are not directly coupled to the optical transmitter driver component. | 2017-10-05 |
20170288781 | HIGHER ORDER OPTICAL PAM MODULATION USING A MACH-ZEHNDER INTERFEROMETER (MZI) TYPE OPTICAL MODULATOR HAVING A BENT OPTICAL PATH - An optical modulator includes an optical waveguide including at least a first PN junction phase shifter and a second PN junction phase shifter. A driver circuit drives operation of the first and second PN junction phase shifters in response to a pulse amplitude modulated (PAM) analog signal having 2 | 2017-10-05 |
20170288782 | Apparatus And Method For Transmitting In An Optical Communication Network - An apparatus and method for transmitting in an optical communication network. Optical transmissions, and in particular burst mode transmissions, are subject to wavelength drift. Described herein is a manner of executing optical transmissions while mitigating wavelength drift, in some cases without significantly reducing transmit power. Emphasis is placed on timely and efficient feedback so that adjustments may be made. A network node such as an ONT in a PON is provided with a light source and means for modulating an upstream optical transmission. A tap provides a portion of the generated (and perhaps modulated) light beam to a wavelength control loop, which in a preferred embodiment includes a channel selection filter and a wavelength discrimination filter. The wavelength generated by the light source is adjusted, if necessary, according to, at least in part, the output of the wavelength control loop. | 2017-10-05 |
20170288783 | OPTICAL COMMUNICATION SYSTEM AND DEVICE FOR LINEARIZING NON-LINEAR SIGNAL TRANSMISSION CHARACTERISTICS - A device for linearizing non-linear signal transmission characteristics of an optical communication system. A non-linearity introducing part is between an input port and an output port of the optical communication system. The non-linearity introducing part at least partly causes said non-linear signal transmission characteristics. The device is configured for connection between said input port and the non-linearity introducing part, in parallel with the non-linearity introducing part, and comprises a pair of Junction Field Effect Transistors (JFETs), configured to operate in an anti-parallel configuration. | 2017-10-05 |
20170288784 | FREE SPACE COMMUNICATION - According to an example aspect of the present invention, there is provided an apparatus ( | 2017-10-05 |
20170288785 | LINEAR ISOLATION AMPLIFIER WITH OUTPUT DC VOLTAGE CANCELLATION - An electronic circuit includes an isolation amplifier, having a first input terminal receiving an AC-signal and including a linear opto-isolator. The opto-isolator has a first output terminal that provides a unipolar signal having an AC-component proportional to the input signal. The circuit includes a transimpedance receiver with first and second operational amplifiers. The first amplifier has a second output terminal and first and second differential input terminals, with the first differential input terminal receiving and amplifying the unipolar output signal from the first output terminal providing an output signal from the circuit at the second output terminal. The second amplifier is configured as an integrator, having a third output terminal coupled to the second differential input terminal and having third and fourth differential input terminals, with the third differential input terminal receiving the output signal from the second output terminal and the fourth differential input terminal connected to ground. | 2017-10-05 |
20170288786 | ON-BOARDING AND PROVISIONING DEVICES USING ULTRASONIC WAVE COMMUNICATIONS - Techniques for communicating configuration information with remote devices using ultrasonic audio are disclosed. In an example, provisioning and device onboarding operations are initiated by a configuration computing device to a plurality of configurable devices, through operations that encode configuration data into an ultrasonic audio signal (e.g., emitted at 18 kHz or greater) and broadcast this ultrasonic audio signal with a speaker. The respective configurable devices may then perform operations to receive the ultrasonic audio signal with a microphone, decode the configuration data from the ultrasonic audio signal, and configure settings based on the configuration data. This configuration data may include network connection information to onboard the respective configurable devices to connection with a wireless local area network (e.g., a Wi-Fi network). This configuration data may also communicate information to enable the respective configurable device to access a provisioning server, used to obtain additional network or configuration settings. | 2017-10-05 |
20170288787 | REDUCTION OF UNMODULATED AMBIENT BLOCKERS IN REFLECTED DATA LINKS THROUGH MANIPULATION OR REPLICATION OF THE TRANSMITTING SIGNAL SOURCE - Communication between a wireless base-station and a microwave reflector link are enhanced by feeding back a portion of the transmitter signal, adjusted for phase and amplitude, to cancel ambient reflection blocker signals being received at the base-station. The microwave reflector link does not utilize a transmitter gain stage, but communicates data back to the base-station in response to modulating the reflections of its antenna (e.g., in gain and/or phase). The disclosure aids in the proper amplification and processing of reflection signals from the microwave reflector link, by canceling out the blocking signals which arise as background objects reflect transmitter signal energy back to the base-station. | 2017-10-05 |
20170288788 | APPARATUS AND METHOD FOR REMOTE ANALYSIS OF A TARGET DEVICE - An apparatus and method that intentionally illuminate a number of target devices with RF energy having specific characteristics (e.g., frequency, power, waveform, directionality, duration, etc.) are provided. The target devices, which may comprise a computer system or other electronic circuits, by their fundamental nature as mixed analog and digital devices, act as non-linear mixers and are forced to emit information about the target device behavior, state, and physical characteristics. The apparatus that implements the method receives the forced emissions signals, extracts useful data from noise, and analyzes the data to determine target device characteristics. The target devices may be powered or unpowered. The apparatus and method provided may avoid impacting target device operation. | 2017-10-05 |
20170288789 | AUTOMATED AVIONICS TESTING - An SDR system and method that intentionally illuminates aircraft systems with RF energy having specific characteristics (e.g., frequency, power, waveform, directionality, duration, etc.) are provided. The aircraft systems act as non-linear mixers and emit non-linear RF energy. A receiver receives the RF energy response and generates an RF energy representation that is correlated to a database of baseline responses. A correlation response between the received RF energy representation and any one of the baseline responses from the database provides an indication of the aircraft system status. | 2017-10-05 |
20170288790 | TRANSCEIVER SYSTEM SUPPORTING RECEIVER SELF CALIBRATION AND METHODS OF PERFORMING THE SAME - A self-calibrating transceiver includes a baseband processor, a receiver chain comprising an amplifier and a digital front end (DFE), and a transmitter chain, and a calibration control state machine. The state machine stores amplifier gain steps and is in communication with the transmitter chain, the receiver chain, and the baseband processor. The state machine can set a receiver chain frequency at a predefined frequency and set a transmitter chain frequency to be offset relative to the receiver chain frequency. For each of the amplifier gain steps, the state machine can set a gain of the receiver chain and set a power of the transmitter chain. The baseband processor can measure an RSSI and transmit the measured RSSI to the state machine. The state machine can determine a digital gain compensation value based on the one or more measured RSSIs and apply the determined digital gain compensation value. | 2017-10-05 |
20170288791 | TEST SEQUENCES USING UNIVERSAL TESTING SYSTEM - A testing system that provides a separate set of virtualization container probes for each of at least a subset of devices that is under testing can perform Wifi Layer 2 and Wifi Layer 3 tests in a manner that minimizes or avoids wireless interference is disclosed. | 2017-10-05 |
20170288792 | METHOD AND APPARATUS FOR ESTIMATING CHANNEL COMMUNICATION QUALITY OF WIRELESS COMMUNICATION TECHNOLOGY - Provided is a channel communication quality estimating method of a wireless communication technology. A method for estimating a channel communication quality of a second wireless communication technology whose frequency band entirely or partially overlaps a frequency band of a first wireless communication technology includes: transmitting predetermined data to an external device through each of a plurality of first channels which forms a frequency band of the first wireless communication technology; generating a channel map which represents a communication quality for each of the plurality of first channels based on a data transmission result through each of the plurality of first channels; and calculating a communication quality index for each of a plurality of second channels which forms a frequency band of the second wireless communication technology, based on the channel map. | 2017-10-05 |
20170288793 | RADIO RELAY STATION - A radio relay station is arranged on a moving conveyance. The radio relay station receives downlink radio signals from a stationary base station fixed outside the conveyance, and transmits to destination user equipments in the conveyance downlink radio signals resulting from the downlink radio signals transmitted from the stationary base station. In addition, the radio relay station receives uplink radio signals from multiple user equipments in the conveyance, and transmits to the stationary base station uplink radio signals resulting from the uplink radio signals transmitted from the multiple user equipments. The radio relay station receives from the multiple user equipments auxiliary radio signals indicating a downlink radio signal which the stationary base station has transmitted, detects, within a result of reception of the auxiliary radio signals, a downlink radio signal addressed to a user equipment in the conveyance, and transmits the downlink radio signal to the user equipment. | 2017-10-05 |
20170288794 | TECHNIQUES FOR SCALING BANDWIDTH OF AN UNLICENSED RADIO FREQUENCY SPECTRUM BAND - The present disclosure, for example, relates to one or more techniques for scaling the bandwidth of a carrier. Available sub-channels of an unlicensed radio frequency spectrum band may be determined, and the available sub-channels may be included in the carrier. The available sub-channels may be adjacent or non-adjacent sub-channels. The bandwidth of the carrier may be determined according to which sub-channels are included in the carrier. In this way, the bandwidth of the carrier may be scaled according to the available sub-channels in the unlicensed radio frequency spectrum band. | 2017-10-05 |
20170288795 | METHOD AND SYSTEM FOR GENERATING A RECEIVED SIGNAL STRENGTH INDICATOR (RSSI) VALUE THAT CORRESPONDS TO A RADIO FREQUENCY (RF) SIGNAL - Embodiments of a method and a system for generating a received signal strength indicator (RSSI) value that corresponds to a radio frequency (RF) signal are disclosed. In an embodiment, a method for generating an RSSI value that corresponds to an RF signal involves obtaining an attenuation factor code in response to applying an automatic gain control (AGC) operation to the RF signal, obtaining an analog-to-digital converter (ADC) code in response to applying an ADC operation to a signal that results from the AGC operation, and combining the attenuation factor code and the ADC code to generate an RSSI value. Other embodiments are also described. | 2017-10-05 |
20170288796 | VARIABLE GAIN POWER AMPLIFIERS - A variable-gain power amplifying technique includes generating, with a network of one or more reactive components included in an oscillator, a first oscillating signal, and outputting, via one or more taps included in the network of the reactive components, a second oscillating signal. The second oscillating signal has a magnitude that is proportional to and less than the first oscillating signal. The power amplifying technique further includes selecting one of the first and second oscillating signals to use for generating a power-amplified output signal, and amplifying the selected one of the first and second oscillating signals to generate the power-amplified output signal. | 2017-10-05 |
20170288797 | METHOD AND APPARATUS FOR SENDING NOTIFICATION ABOUT BROADCAST SERVICE IN A MOBILE BROADCAST SYSTEM - A method and apparatus for transmitting a notification about broadcasting services in a broadcasting system are provided. A method of a network entity includes detecting a notification event about a broadcasting service, the notification event including a change of a service guide of the broadcasting service; generating a notification message about the notification event; determining which channel is used for a transmission of the notification message; and transmitting the notification message to a terminal or a group of terminals over the determined channel. The channel used for the transmission of the notification message is determined based on whether the notification message is transmitted over a broadcast channel of a broadcast network or over an interaction channel of an interaction network. The service guide is generated based on service guide related information provided by a service provider of the broadcasting service. | 2017-10-05 |
20170288798 | METHOD FOR CONTROLLING AUDIO SIGNAL PROCESSING DEVICE, AUDIO SIGNAL PROCESSING DEVICE, AND STORAGE MEDIUM - In an audio signal processing device including a plurality of mixing buses to mix audio signals processed in a plurality of channels, a switching instruction to switch function of the mixing buses is accepted. In accordance with the switching instruction, operation mode of one or a plurality of switch mixing buses among the plurality of mixing buses is switched between a first mode and a second mode. In first mode, the audio signal processing device controls ON/OFF of signal transmission from each of the channels to the switch mixing bus in accordance with settings of ON/OFF of signal transmission from the each channel to the switch mixing bus, and in second mode, the audio signal processing device controls ON/OFF of signal transmission from each of the channels to the switch mixing bus in accordance with manipulation of cue controls respectively provided to correspond to any of the channels. | 2017-10-05 |
20170288799 | Live Uplink Transmissions and Broadcasting Management System and Method - A live uplink transmission method for managing a plurality of live uplink transmissions and broadcasting events, the system comprising: (i) a publication portal for publishing transmissions of live events; (ii) a database for storing metadata, system data, broadcast data and user data; (iii) a broadcast manager adapted for receiving and processing in real-time metadata information related to a plurality of live uplink transmission events wherein each live uplink transmission event transmits in a plurality of uplink channels, wherein processed metadata information generate data elements adapted for being used in telecom and datacom real time management applications, said broadcast manager also adapted for updating the publication portal with live event information and (iv) a set of Quality of Service (QOS) management methods to coordinate the usage of Uplink transmissions based on the received metadata and their processing in the broadcast manager | 2017-10-05 |
20170288800 | LOCAL CHANNELS ANYWHERE - A mobile viewing method includes accessing location information indicative of a current location of a mobile device associated with a home market. A current market corresponding to the current location of the mobile device is identified. If the current market differs from the home market, the mobile device is granted access to a retransmission of at least one local channel of the current market. The location information may include GPS information indicative of GPS coordinates of the mobile device. The mobile device may include a mobile viewing application that displays a channel guide indicating local channels available in the current market and national channels. The mobile viewing application may include a summary of the current market and the summary may include weather, news headline, and local advertisement information. | 2017-10-05 |
20170288801 | METHODS AND SYSTEMS FOR ESTIMATING OFFSET AND SKEW USING LINEAR PROGRAMMING - This invention relates to methods and systems for estimating offset and skew using linear programming. Embodiments of the invention relate to methods and systems which apply linear programming principles to links with asymmetric transmission rates which are estimated from an exchange of timing messages (for example under IEEE 1588 PTP). Further embodiments provide for the estimation of clock offsets using linear programming techniques when the skew is known or estimated. | 2017-10-05 |
20170288802 | Time Synchronization Method and Apparatus - A time synchronization method includes, a boundary device of a third-party network side receives a synchronization packet carrying a time synchronization offset and is delivered by a boundary device of an upstream network side on the basis that boundary devices in an entire network are all boundary clock (BC) devices, where the time synchronization offset is a time offset between a time domain of the upstream network and a time domain of the third-party network, and the boundary device of the third-party network side transparently transmits the synchronization packet carrying the time synchronization offset to a boundary device of a downstream network side such that the boundary device of the downstream network side performs time synchronization with the boundary device of the upstream network side according to the time synchronization offset. Thus time synchronization among multiple time domains in a network. | 2017-10-05 |
20170288803 | TRANSMISSION APPARATUS, TRANSMISSION METHOD, AND WIRELESS COMMUNICATION SYSTEM FOR ORTHOGONAL COVER CODE (OCC) GENERATION AND OCC MAPPING - A base station which performs Multiple Input Multiple Output (MIMO) transmission. A processor configured to generate reference signals by spreading with four groups of orthogonal code sequences, each group of orthogonal code sequences including four orthogonal sequences, wherein the orthogonal code sequences correspond to transmission layers and each of the orthogonal code sequences has a length of four, and a transmit circuit configured to transmit the reference signals. The four groups include a first group where the orthogonal code sequences are Walsh code sequences, a second group where the orthogonal code sequences are represented by mirroring of the orthogonal code sequences in the first group, a third group where the orthogonal code sequences are represented by cyclic shifts of the orthogonal code sequences in the first group, a fourth group where the orthogonal code sequences are represented by mirroring of the orthogonal code sequences in the third group. | 2017-10-05 |
20170288804 | ACTIVATION OF AN OPTICAL NETWORK UNIT IN A MULTI-WAVELENGTH PASSIVE OPTICAL NETWORK - A method for activating an ONU in a multi-wavelength PON. Other ONUs may be already active and transmit upstream signals to the OLT on various upstream channels. The new ONU transmits an activation signal superimposed to such upstream signals. Since the ONU may include an uncalibrated tunable transmitter, initially the activation signal wavelength might be different from that upon which the ONU shall be activated. The activation signal optical power is lower than the other upstream signals, so as not to impair their reception at the OLT. The OLT operates the ONUs already active on the upstream channel on which the new ONU shall be activated to suspend transmission for one or more time gaps, during which the OLT detects the activation signal. This improves activation signal detection conditions, thereby allowing to increase its bitrate. An acceptable duration of the activation procedure can then be achieved. | 2017-10-05 |
20170288805 | DEVICE AND METHOD FOR SOUND WAVE COMMUNICATION - A device for sound wave communication, including: a hardware correction table for setting a correction frequency band; a sound wave transmission unit for generating data frequencies at a predetermined base decibel level, generating separate reception filter frequencies at the base decibel level for receiving data carried by a sound wave transmitted from the nearest location when sound waves are received, and generating the correction reference frequency at the base decibel level for correcting hardware transmission; and a sound wave reception unit for receiving a sound wave signal transmitted from the sound wave transmission unit, extracting decibel levels at each of the data frequencies to form an array of decibel levels, correcting the array by shifting the array by a correction value extracted using the hardware correction table, and reconstructing data. | 2017-10-05 |
20170288806 | SPEED DEPENDENT TRANSMISSION FORMAT FOR VEHICULAR TRANSMISSION - A method and system for selecting a transmission format of a first wireless device in a wireless communication network are provided. According to one aspect, a method for selecting a transmission format includes determining a speed of the first wireless device, selecting a transmission format based on the speed of the first wireless device. | 2017-10-05 |
20170288807 | Method for Serially Transmitting a Frame from a Transmitter to at Least One Receiver by Means of a Bus System, and a Subscriber Station for a Bus System - The disclosure relates to a method for serially transmitting a frame from a transmitter to at least one receiver by means of a bus line, as well as a subscriber station for a bus system. According to said method, stuff bits are inserted into the frame by the transmitter according to a predetermined rule in order to generate additional signal edges, and/or said stuff bits are removed again by the receiver when evaluating the frame, at least one item of information relating to a subsection of the frame additionally being added, and transmitted, outside of this subsection, and said subsection containing a predetermined sequence of bit values. | 2017-10-05 |
20170288808 | CSI REFERENCE RESOURCE AND CQI REPORT FOR MTC OPERATION - Systems and methods are provided for deriving channel feedback for a physical channel based on an indication of the number of transmission repetitions. In some embodiments, a method for use in a wireless device for determining channel feedback for a physical channel includes receiving control signaling including an indication of a number of transmission repetitions of the physical channel. The method also includes deriving the channel feedback for the physical channel based on the indication of the number of transmission repetitions, where a code rate corresponding to the channel feedback corresponds to an effective channel code rate of the physical channel occupying a group of physical resources including the number of transmission repetitions. In this way, the wireless device may report channel conditions that are better than the channel conditions corresponding to a single transmission, according to some embodiments. | 2017-10-05 |
20170288809 | EFFICIENT SIGNALING OVER ACCESS CHANNEL - An apparatus and method for transmitting an indicator of channel quality while minimizing the use of a broadcast channel is described. A metric of forward link geometry of observed transmission signals is determined. An indicator of channel quality value is determined as a function of the observed transmission signals. An access sequence is selected, randomly, from one group of a plurality of groups of access sequences, wherein each of the plurality of groups of access sequences correspond to different ranges of channel quality values. | 2017-10-05 |
20170288810 | TIMING-ERROR DETECTION FOR CONTINUOUS-PHASE MODULATED SIGNALS - In an embodiment, a receiver detects a timing error between a transmitter clock at a transmitter and a receiver clock at a receiver associated with an exchange of CPM signals. The receiver phase aligns input samples of a candidate received signal over a time window based on a rotating signal corresponding to a phase progression of the candidate received signal. The receiver generates first and second partial sums of the phase-aligned input samples that are accumulations of phase-aligned input samples corresponding to modulation symbols that contribute positive and negative phases, respectively, to the phase progression. The receiver determines a phase difference between the first and second partial sums, and generates a timing-error metric that is indicative of a timing error between the transmitter clock and the receiver clock based at least in part upon the determined phase difference. | 2017-10-05 |
20170288811 | LOW-COMPLEXITY LLR COMPUTATION FOR NONUNIFORM QAM CONSTELLATIONS - A device for use in demodulating modulated signals by determining a value for a log likelihood ratio. The device has a storage device to store executable instructions and a processor to execute the instructions stored on the memory device. The processor is configured to, when executing the instructions: receive a modulated signal which is to be demodulated using a constellation diagram comprising a plurality of constellation points which are identified by binary reflected Gray-labelled codes; identify, for a bit of the Gray-labelled codes, a closest complementary constellation point to the signal when considering the signal as a point on a representation of one-dimension of the constellation diagram; identify a hard decision point, wherein the hard decision point is the closest constellation point to the signal when considering the signal as a point on a representation of one-dimension of a constellation diagram; and a complementary constellation point is a constellation paint which has a different value for the bit compared to the hard decision point; and determine a value for a log likelihood ratio using the hard decision point and the closest complementary constellation point. Some devices identify a closest complementary constellation point to the signal, a second closest complementary constellation point to the signal, a hard decision point and an auxiliary hard decision point and determine a value for a log likelihood ratio using the hard decision point, an auxiliary hard decision point, the closest complementary constellation point and the second closest complementary constellation point. | 2017-10-05 |
20170288812 | RECEIVER AND METHOD FOR PROCESSING A SIGNAL THEREOF - A receiver is provided. The receiver includes: a first decoder configured to decode a superposition-coded signal by using a parity check matrix to generate Low Density Parity Check (LDPC) information word bits and first parity bits corresponding to a first layer signal; an encoder configured to encode the LDPC information word bits and the first parity bits to generate second parity bits, or encode the LDPC information word bits to generate the first parity bits and the second parity bits, by using the parity check matrix; and a second decoder configured to decode a signal which is generated by removing the first layer signal, corresponding to the LDPC information word bits, the first parity bits, and the second parity bits, from the superposition-coded signal, to reconstruct bits transmitted through the second layer signal. | 2017-10-05 |
20170288813 | PHY Error Indication Messaging - This disclosure introduces an advancement to the error indication message to provide detailed information about errors in configurations that are arriving from the Layer 2 to the Layer 1. A method is disclosed, comprising: performing physical layer control (PHY) of a wireless signal at a Layer 1 (L1) software module; performing medium access control (MAC) of the wireless signal at a Layer 2 (L2) software module; providing an application programming interface between the L1 software module and the L2 software module for receiving L1 configuration messages and providing error codes to the L2 software module; receiving a L1 configuration message at a Layer 1 software module; and providing an enhanced error code progressively from a L1 software module to the Layer 2 (L2) software module. | 2017-10-05 |
20170288814 | A TRANSMITTER THAT DOES NOT RESEND A PACKET DESPITE RECEIPT OF A MESSAGE TO RESEND THE PACKET - A processing device includes an internal transmitter to receive packets and to forward those packets across a link to an external receiver external to the processing device. The internal transmitter is to receive a portion of a packet and to begin transmitting the portion across the link to the external receiver before the entire overall packet, of which the portion is a part, is received and validated. For a packet determined to have an error, the internal transmitter does not resend the overall packet across the link even if a message is received from the external receiver to resend the overall packet. | 2017-10-05 |
20170288815 | SYSTEM AND METHOD FOR EARLY PACKET HEADER VERIFICATION - A receiver, transmitter and method for early packet header verification are provided. In one embodiment, the method includes: (1) receiving a payload flit of a preceding packet and a header flit of a current packet; and (2) using a Cyclic Redundancy Check (CRC) in the header flit to verify the payload flit of the preceding packet and the header flit of the current packet. | 2017-10-05 |
20170288816 | METHOD AND SYSTEM FOR COMPENSATING HLS SLICE LOSS - A method and a system are provided for compensating HLS slice loss. The method includes: configuring a compensation request agent on a lower server; transmitting by the lower server a subscription request to a plurality of upper servers corresponding thereto, and obtaining by the lower server slices issued by message issuing pools of the plurality of upper servers according to the subscription request; performing a slice loss detection by the lower server for the slice information received, and generating by the lower server a slice loss request when it is detected that a slice loss occurs; transmitting by the compensation request agent the generated slice loss request to the plurality of upper servers. | 2017-10-05 |
20170288817 | HARQ SYSTEMS AND METHODS FOR GRANT-FREE UPLINK TRANSMISSIONS - Systems and methods are disclosed for performing hybrid automatic repeat request (HARQ) for grant-free uplink transmissions. Some of the systems and methods disclosed herein may address problems such as how to perform acknowledgement (ACK) and/or negative acknowledgement (NACK), how to determine and signal retransmission timing, how to determine the transmission/retransmission attempt and the redundancy version (RV), and/or how to perform the HARQ combining. | 2017-10-05 |
20170288818 | TIME OFFSET VALIDATION OF COMPONENTS WITH INDEPENDENT SILICON CLOCKS - In accordance with embodiments disclosed herein, there is provided systems and methods for time offset validation of components with independent silicon clocks. A requesting component includes transmission logic to transmit timing protocol requests to a responding component, receiving logic to receive timing protocol responses, replay detection logic to detect a retransmission of a timing protocol message and to set an internal timing state of the requesting component as invalid, and validation logic to detect at least two consecutive timing protocol dialogs and set the internal timing state of the requesting component as valid. A responding component includes receiving logic, transmission logic, replay detection logic to detect a retransmission of a timing protocol message and set an internal timing state of the responding component as invalid, and validation logic to detect at least two consecutive timing protocol dialogs and set the internal timing state of the responding component as valid. | 2017-10-05 |
20170288819 | HYBRID AUTOMATIC REPEAT REQUEST TIMING FOR REDUCED TRANSMISSION TIME INTERVALS - Systems, methods, and apparatuses are described for wireless communication, including for hybrid automatic repeat request (HARQ) feedback in a system that supports communications using transmission time intervals (TTIs) of different durations. A base station may identify a user equipment's (UE) capability to provide HARQ feedback for transmissions that use TTIs of a shorter duration relative to other TTIs supported in the system. The base station may select a HARQ timing mode based on the capability of the UE and may indicate the selected HARQ timing mode to the UE. The base station may then transmit one or more data transmissions to the UE using the reduced TTIs. The UE may respond with HARQ feedback based on the HARQ timing mode. The HARQ timing mode may be based on different response times based on the location of the data transmission within a TTI or relative to data transmission in other TTIs. | 2017-10-05 |
20170288820 | METHODS AND NODES IN A WIRELESS COMMUNICATION SYSTEM - A transmitter ( | 2017-10-05 |
20170288821 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA IN A COMMUNICATION SYSTEM - The present disclosure relates to a fifth generation (5G) or pre-5G communication system to be provided to support a higher data transmission rate since fourth generation (4G) communication systems like long-term evolution (LTE). A method of a receiver in a wireless communication system is provide. The method includes receiving at least one packet, identifying whether there is a non-received packet among the at least one packet, and transmitting status report information when there is the non-received packet, in which the status report information includes a field indicating whether there are consecutively non-received packets. | 2017-10-05 |
20170288822 | NETWORK NODE AND METHOD FOR MANAGING TRANSMISSION OF CELL REFERENCE SYMBOLS - A method performed by a network node for managing transmission of Cell Reference Symbols, CRS, wherein the network node | 2017-10-05 |
20170288823 | COLLISION AVOIDANCE SCHEME FOR WIRELESS COMMUNICATIONS OVER UNLICENSED SPECTRUM - Methods and apparatuses are described in which an unlicensed spectrum is used for Long Term Evolution (LTE) communications. A first method includes performing clear channel assessment (CCA) to determine availability of an unlicensed spectrum, transmitting a request-to-send (RTS) signal to a set of user equipments (UEs) using the unlicensed spectrum when a determination is made that the unlicensed spectrum is available, and receiving, in the unlicensed spectrum, a common clear-to-send (CTS) signal and an individual CTS signal from one or more of the UEs in response to the RTS signal. A second method includes transmitting an RTS signal in an unlicensed spectrum or a V-RTS signal in a licensed spectrum, addressed to a set of UEs, and transmitting a CTS-to-self signal in the unlicensed spectrum along with the transmission of the V-RTS signal. | 2017-10-05 |
20170288824 | METHOD AND APPARATUS FOR RECEIVING A DOWNLINK SIGNAL IN A WIRELESS COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION - The present invention relates to a method for receiving a downlink signal at a terminal in a wireless communication system. In particular, the method comprises: receiving a control channel to be transmitted to a specific subframe via a first carrier; and decoding a data channel corresponding to the control channel to be transmitted to the specific subframe via a second carrier, using at least one parameter included in the control channel, wherein information on the orthogonal frequency division multiplexing (OFDM) start symbol of data channels that are transmitted via each of at least one carrier allocated to the terminal is signaled through an upper layer. | 2017-10-05 |
20170288825 | System and Method for OFDMA Tone Allocation in Next Generation Wi-Fi Networks - An orthogonal frequency division multiple access (OFDMA) frame tone allocation includes a 256 tone payload consisting of 228 data and pilot tones and 28 null tones. The 28 null tones consist of guard tones and at least one direct current (DC) tone. In one example, the 256 tone payload consists of 224 data tones, 4 common pilot tones, and 28 null tones. In another example, the 256 tone payload consists of 222 data tones, 6 common pilot tones, and 28 null tones. In yet another example, the 256 tone payload may consist of 220 data tones, 8 common pilot tones, and 28 null tones. The OFDMA frame may be a downlink OFDMA frame or an uplink OFDMA frame. | 2017-10-05 |
20170288826 | System and Method for Uplink Timing Synchronization in Conjunction with Discontinuous Reception - Systems and methods for controlling sounding reference signal transmission are provided; a user equipment starts transmitting the sounding reference signal in anticipation of uplink data transmission, and then discontinues transmitting the sounding reference signal after completion of uplink data transmission. | 2017-10-05 |
20170288827 | SYSTEMS AND METHODS FOR DISTRIBUTED OPEN-LOOP MULTI-USER CO-OPERATIVE MULTI-POINT (CoMP) SCHEDULING AND TRANSMISSION - Embodiments are provided to enable distributed open-loop multi-user co-operative multi-point (MU-CoMP) scheduling and transmission. In an embodiment, network nodes schedule data transmissions for UEs among multiple transmission tiers that include a first transmission tier having predetermined modulation and coding and a second transmission tier having adaptive modulation and coding. The first transmission tier and the second transmission tier are in respective time-frequency resources that at least partially overlap. The network nodes transmit the scheduled data transmissions in the transmission tiers according to the scheduling for the UEs. A UE receives CoMP transmissions once it is scheduled for transmission by multiple network nodes. | 2017-10-05 |
20170288828 | Aggregated Touchless Wireless Fronthaul - A method and apparatus are provided for wireless channel signals processing. An optical signal carrying an aggregated signal comprising a plurality of wireless channel signals is received over a single optical fiber link and converted into a digital signal and then processed to produce the plurality of wireless channel signals. The plurality of wireless channel signals in the aggregated signal are positioned in different non-overlapping frequency bands that span respective channel bandwidths (BWs), where a first channel BW of the respective channel BWs is different from a second channel BW of the respective channel BW. | 2017-10-05 |
20170288829 | TONE REORDERING IN A WIRELESS COMMUNICATION SYSTEM - One or more LDPC encoders generate two or more LDPC code words to be included entirely in an OFDM symbol. A frequency segment parser parses content of the two or more LDPC code words into a first frequency segment corresponding to a first subband of the communication channel and a second frequency segment corresponding to a second subband of the communication channel. A constellation mapper maps first content of the two or more LDPC code words to first constellation points corresponding to first OFDM tones in the first subband, and maps second content of the two or more LDPC code words to second constellation points corresponding to second OFDM tones in the second subband. A tone ordering unit reorders the first OFDM tones and the second OFDM tones such that the first content is distributed over the first subband, and the second content is distributed over the second subband. | 2017-10-05 |
20170288830 | PRS-BASED TERRESTRIAL BEACON SYSTEM (TBS) IMPLEMENTATIONS - Disclosed are methods, devices, systems, apparatus, servers, computer-/processor-readable media, and other implementations, including an example method to facilitate position determination operations that includes receiving, at a mobile wireless device, broadcast control signals for a location transmission unit (LTU) configured for downlink-only communication, with at least some of the broadcast control signals being transmittable by a different wireless node than the LTU. The method further includes detecting the LTU, by the mobile wireless device, based on the broadcast control signals, detecting, by the mobile wireless device, upon detection of the LTU based on the broadcast control signals, one or more LTU broadcast positioning reference signals transmitted by the LTU, and determining position information for the mobile wireless device based on the one or more LTU broadcast positioning reference signals detected by mobile wireless device. | 2017-10-05 |