Clear Wireless LLC Patent applications |
Patent application number | Title | Published |
20120281668 | APPARATUS AND METHOD OF DYNAMIC DOWNLINK PERMUTATION ASSIGNMENT FOR USE IN A WIRELESS COMMUNICATION SYSTEM - A method of assigning parameter values to transceivers in a wireless communication network. Each of the parameter values assigned determines at least in part how a plurality of subcarriers are organized into a plurality of sub-channels. In particular embodiments, the method assigns the parameter values to the transceivers based on correlations between the sub-channels determined by the parameter values, distances between the transceivers, and loads experienced by the transceivers. After the parameter values are assigned to the transceivers, each of the transceivers is configured to transmit on the sub-channels determined at least in part by the parameter value assigned to the transceiver. | 11-08-2012 |
20120269112 | Method and System for Improving Performance of Broadcast/Multicast Transmissions - Methods and systems for performing hybrid automatic repeat request (ARQ) in conjunction with broadcast/multicast channels are presented. In particular, an access node may transmit a series of hybrid ARQ subpackets to one or more client nodes using a broadcast/multicast channel. Each of the subpackets may be derived from the same full packet. Upon receiving a subpacket, a client node may attempt to decode the full packet from the subpacket(s) derived from the full packet. If the client node fails to do so, the client node may transmit a negative acknowledgement to the access node. If the access node receives more than a threshold extent of negative acknowledgements, the access node may transmit a subsequent subpacket in the series on the broadcast/multicast channel. | 10-25-2012 |
20120239998 | APPARATUS AND METHOD FOR DETERMINING NUMBER OF RETRANSMISSIONS IN A WIRELESS SYSTEM - An apparatus and method of configuring a number of retransmissions for an automatic repeat request (ARQ) scheme (e.g., hybrid ARQ) includes configuring one or more first maximum retransmission numbers based on respective one or more first predetermined values and independent of a second maximum retransmission number. The first maximum retransmission numbers may indicate a maximum number of retransmissions related to respective service flows operational with the base station. The second maximum retransmission number may indicate a maximum number of retransmissions related to control messages transmitted in the wireless network, and may be configured based on a second predetermined value. The configuration of the first maximum retransmission numbers may include the maximum retransmissions numbers associated with a specific user in communication with the base station. Further, at least one of the first maximum retransmission numbers of a particular user may be reconfigured to a third predetermined value. | 09-20-2012 |
20120236712 | APPARATUS AND METHOD FOR LOAD BALANCING - Systems and methods of balancing traffic load in a wireless communication network include calculating a load metric for each of a plurality of users, wherein each of the plurality of users, in operation, are in communication with a first base station using an overloaded carrier associated with the first base station. Such load metric for each user may include a plurality of metric factors related at least to an associated communication link. Based on the calculated load metric, a transfer-deserving user from the plurality of users may be determined. The transfer-deserving user may be associated with a highest value of an associated calculated load metric. For load balancing at the first base station, the associated communication link of the transfer-deserving user may be transferred from the overloaded carrier to a target carrier, wherein the target carrier may be associated with either the first base station or a second base station. | 09-20-2012 |
20120213205 | SYSTEM AND METHOD FOR PROVIDING MULTI NETWORK CONNECTIVITY - In various embodiments, a system provides multi network connectivity between a broadband, packet-switched wireless Radio Access Network (RAN) and first and second different wireless networks using a broadband transceiver configured to receive and transmit packet-switched data over the RAN. First and second transceivers with respective data interfaces with the broadband transceiver are configured to establish a first and second wireless networks using different communications protocols. A processor and associated memory are operatively coupled together to at least control the broadband transceiver, the first transceiver, and the second transceiver. A communications range of the first and second wireless networks are extended beyond a respective intrinsic data communications capability thereof via the broadband transceiver. The system and method may be implemented to improve in-building wireless coverage, or to provide real-time content to mobile users, e.g., in an automobile, and/or to provide real-time vehicle diagnostic codes to a maintenance support node. | 08-23-2012 |
20120201195 | Macro-Network Location Determination, Local-Oscillator Stabilization, and Frame-Start Synchronization Based on Nearby FM Radio Signals - Exemplary methods and systems may generally be implemented to allow a macro-network base station without access to a GPS reference signal to provide some or all of the functionality for which existing macro-network base stations typically rely on GPS. In a first aspect, an exemplary macro-network base station may determine its location using a location-determination technique that is based upon the angles of arrival of FM radio signals from nearby FM stations. In a second aspect, an exemplary macro-network base station may stabilize its local oscillator by phase-locking its local oscillator to an FM radio signal, and periodically adjusting its local oscillator to account for phase drift of the FM radio signal. And in a third aspect, an exemplary macro-network base station may synchronize its frame-start timing with a nearby base station using a frame-start timing signal that the base station has synchronized to frame transmissions from the nearby base station during a setup routine. | 08-09-2012 |
20120195241 | SYSTEM AND METHOD FOR UPLINK POWER CONTROL - In various embodiments, a system and method for providing uplink (UL) power control for a wireless mobile station (MS) includes, after transmission of an unanswered bandwidth request by the MS, incrementally boosting an UL transmit power of one or more subsequent bandwidth requests by the MS to a boosted UL power level at which UL bandwidth is allocated to the MS by the BS; selectively reporting the boosted UL power level to the BS immediately after the UL transmit power has been boosted; and selectively controlling the boosted UL power level by the BS responsive to the boosted UL power level reported to the BS. A MS is configured to carry out the UL power control method and a BS is configured to generate MS UL power control commands based, at least in part, upon the UL power level reported to the BS. | 08-02-2012 |
20120176902 | SYSTEM AND METHOD FOR DYNAMICALLY BALANCING A MAXIMUM NUMBER OF ACTIVE REMOTE DEVICE USERS BETWEEN BASE STATIONS - Both a system and method are provided for dynamically balancing a maximum number of active remote device users that can be serviced between first and second base stations transmitting data frames in a radio communication system when the carriers of the first and second base stations operate at different radio frequency bandwidths X and Y respectively, and Y is substantially larger than X. The system includes a system control circuit that controls the number of subchannels in the uplink control channel region of the data frames transmitted by the first base station, and a traffic monitoring circuit that monitors both an uplink load and a number of active wireless device users within broadcast coverage of said first base station. The system control circuit dynamically increases the radio resources in the uplink control channel region of the frames transmitted by the first base station. | 07-12-2012 |
20120163173 | APPARATUS AND METHOD FOR SCHEDULER IMPLEMENTATION FOR BEST EFFORT (BE) PRIORITIZATION AND ANTI-STARVATION - In various embodiments, a method, computer-readable storage medium, and apparatus for scheduling prioritized best effort (BE) service flows through a wireless network base station includes a controller coupled to a memory. If any one of a plurality of BE service flows are congested, a minimum reserved traffic rate (MRTR) algorithm is used by the controller to ensure that at least a highest priority BE service flow is maintained at least at an associated MRTR. If none of the plurality of BE service flows are congested, a maximum sustained traffic rate (MSTR) algorithm is used by the controller to enable the highest priority BE service flow to be set to at least at an associated MSTR before lower priority service flows are increased. If none of the plurality of BE service flows are congested and each service flow is at their associated MSTR, the controller is configured to distribute any excess bandwidth to each service flow in accordance with an initial set of priority BE traffic flow ratios. | 06-28-2012 |
20120134345 | Systems and Methods of Supporting Emergency Communications - Systems and methods for supporting E911 for VoIP mobile communications are provided. A mobile station formats a call setup message by including particular information in a header portion of the call setup message that is used by the wireless network to select an appropriate PSAP and route the call to the appropriate PSAP. | 05-31-2012 |
20120082070 | ENABLING COEXISTENCE BETWEEN WIRELESS NETWORKS - Systems and methods for detecting and mitigating interference between from a first wireless time division duplex (TDD) communications device and a second wireless TDD communications device includes processing quality-indicator reports received from the first TDD device to determine if reception at the first TDD device has experienced interference from the second TDD device. Such interference at the first TDD device may indicate that the first TDD device may also cause interference to reception at the second TDD device. Accordingly, to mitigate the possible interference from the first TDD device, an uplink configuration of the first TDD base station may be adjusted. The adjustment of the uplink configuration may include configuring reception of data packets at the first TDD base station from the first TDD device in accordance with an interference-free time interval, an unprotected time interval, or a specific portion of an associated frequency band. | 04-05-2012 |
20120082038 | ENABLING COEXISTENCE BETWEEN FDD AND TDD WIRELESS NETWORKS - Systems and methods for detecting and mitigating interference between from a wireless time division duplex (TDD) communications device and a wireless frequency division duplex (FDD) communications device includes processing quality-indicator reports received from the FDD device to determine if the FDD device has experienced interference from the TDD device. Such interference may be mitigated by adjusting a downlink configuration of the FDD base station in communication with the FDD device. To detect and mitigate interference from an FDD device to a TDD device, it is determined if a monitored value of an operational parameter of the FDD device is within a fixed range of a maximum value of the operational parameter, and if so, a specific time interval or frequency of the FDD device is assigned for communication purposes. Similar interference detection and mitigation techniques may also be used for interference scenarios between two TDD systems including TDD devices. | 04-05-2012 |
20120020202 | METHOD AND SYSTEM FOR SYNCHRONIZING WIRELESS DEVICES WITH A COMMUNICATION NETWORK - A method of operating a communication system comprises performing a plurality of ranging processes to establish a network connection over a wireless link. A time interval is established for a wireless device timer at the wireless device upon establishing the network connection and a time interval is established for an access node timer at the access node upon establishing the network connection. The method also comprises establishing a communication session over the wireless link and network connection. When a repeat request acknowledgement message is received during the communication session, the time interval for the wireless device timer and the time interval for the access node timer is restarted. | 01-26-2012 |
20120014489 | METHOD AND SYSTEM FOR MAINTAINING WIRELESS LINKS IN A COMMUNICATION NETWORK - A method of operating a communication system comprises sending a frame by an access node to a wireless device where the frame comprises a packet. A counter is initialized and a timer for each frame is initiated. The method continues with the access node determining if a response associated with the packet is received before the expiration of the timer. If the response is received prior to the expiration of the timer, the counter and the timer are reset. If a response is not received prior to the expiration of the timer, the counter is incremented. Upon the counter meeting a criteria of a certain quantity of lost packets, the access node performs a synchronization process. | 01-19-2012 |
20120014488 | METHOD AND SYSTEM FOR MANAGING WIRELESS LINKS IN A COMMUNICATION NETWORK - A method of operating a communication system comprises establishing a wireless device release time interval for a wireless device release timer at an access node upon establishing an initial network connection between a wireless device and the access node. An initial synchronization process is performed between the wireless device and the access node. The method continues with the access node sending an unsolicited synchronization message to the wireless device and starting the wireless device release timer. A second synchronization process is performed and upon successful completion of the second synchronization process, a success status synchronization response message is sent by the access node to the wireless device. The access node receives a synchronization confirmation message from the wireless device that comprises an identifier corresponding to the identity of the wireless device and upon receiving the confirmation message, the access node cancels the wireless device release timer. | 01-19-2012 |
20110317553 | APPARATUS AND METHOD OF DYNAMIC DOWNLINK PERMUTATION ASSIGNMENT FOR USE IN A WIRELESS COMMUNICATION SYSTEM - A method of assigning parameter values to transceivers in a wireless communication network. Each of the parameter values assigned determines at least in part how a plurality of subcarriers are organized into a plurality of sub-channels. In particular embodiments, the method assigns the parameter values to the transceivers based on correlations between the sub-channels determined by the parameter values, distances between the transceivers, and loads experienced by the transceivers. After the parameter values are assigned to the transceivers, each of the transceivers is configured to transmit on the sub-channels determined at least in part by the parameter value assigned to the transceiver. | 12-29-2011 |
20110312347 | SYSTEM AND METHOD FOR PAGING CYCLE MANAGEMENT IN A WIRELESS NETWORK - A system to control paging cycles in a wireless network assigns mobile stations to one of a plurality of paging groups based on the paging cycle requirements of the individual mobile stations. In addition, the mobile stations in a particular paging group are further subdivided into subgroups that may be substantially equal in size. At any particular paging cycle, only one subgroup of a particular paging group is included in the paging process thus reducing the overall number of mobile stations that need to be paged in any particular paging cycle. | 12-22-2011 |
20110305146 | Carrier Signals For Synchronization - Disclosed herein are methods and systems that may help a WiMAX base station function without a GPS signal by providing a high-stability reference signal via a subcarrier of a broadcast signal, such as an FM radio signal. An exemplary broadcast station may therefore be configured to phase-lock a subcarrier signal to a GPS signal, and include this subcarrier in its broadcast signal, thereby providing the subcarrier signal for use by a base station as a high-stability reference signal for local-oscillator stabilization at the base station. The broadcast station may further modulate a timing signal onto the subcarrier signal. An exemplary base station may therefore receive the broadcast signal, decode the broadcast signal to acquire the subcarrier signal, and use the subcarrier signal to stabilize its local oscillator, rather than using a GPS signal. The base station may further demodulate the subcarrier to acquire the timing signal, which the base station may use for frame-start synchronization, instead of a GPS signal. | 12-15-2011 |
20110256870 | Method and System of Handover Based on Channel Quality and Loading - A base station may decide to initiate a handover of a communication with a mobile station from a first wireless link to a new wireless link and identify one or more wireless links for the handover. For each identified wireless link, the base station may then determine a channel-quality metric, a wireless-link loading metric, and perhaps a coverage-area loading metric. In turn, the base station may then select the new wireless link based on the channel-quality metric and one or both of the wireless-link loading metric and the coverage-area loading metric. For example, the base station may apply a linear function that includes as variables the channel-quality metric and the wireless-link loading metric, and the base station may select the identified wireless link that best satisfies this function. The base station may then facilitate the handover of the communication from the first wireless link to the selected new wireless link. | 10-20-2011 |
20110255516 | APPARATUS AND METHOD FOR MULTIMODE DEVICE HANDOVER - Systems and methods of operating multimode 3G/4G communications devices in an overlapping 3G/4G coverage area (e.g., WiMAX or LTE/CDMA EvDO) include determining if a number associated with temporarily-disabled sectors of an available sector set of the multimode device while the device is operational with a 3G base station is at least equal to a threshold number. If the number is at least equal to the threshold number, a scan for a sector in the 4G network to handover the operation of the multimode device from the 3G base station associated with the 3G coverage to a 4G base station associated with the 4G coverage is initiated. A scan for a fixed period of time for a new available sector in the 3G network to be added in the available sector set may be initiated; and, if a new available sector is added to the sector set, it may be redetermined if the number associated with the temporarily-disabled sectors is at least equal to the threshold number, before initiating the scan for a sector in the 4G network. | 10-20-2011 |
20110255428 | SYSTEM AND METHOD FOR COMBINED MAC LEVEL MESSAGE WITH CQI CHANNEL CONTROL MESSAGE FOR CHANNEL FEEDBACK REPORT - In one or more embodiments, a system and method of managing network channel quality in a wireless communications network includes reporting a channel quality measurement from the particular user to a base station (BS) over an available CQICH, and determining a MCS based, at least in part, upon the channel quality measurement. If a threshold network CQICH capacity is reached during a subsequent data frame such that a CQICH is no longer available, MAC level messages are generated between the BS and the particular user to trigger reporting of signal quality information to the BS by the particular user. After the next CQICH cycle commences and if a CQICH is still unavailable, the signal quality information is continued to be provided via MAC level messages. Otherwise, a CQICH is reallocated for a particular user and channel quality measurement reporting is transitioned back to the CQICH. | 10-20-2011 |
20110250886 | Method and System of Determining Whether a Mobile Station is Located Inside a Coverage Area of a Narrowband Repeater and Using the Determination in a Handover Procedure - A method and system of determining whether a mobile station is located inside (or moving into) a repeater's coverage area and using the determination in a handover procedure. An access network may receive from a mobile station communicating on a first wireless link an indication of channel quality for the first wireless link and a second wireless link that serve the same coverage area. The access network may then use the channel quality indicators to determine whether the mobile station is located inside (or moving into) a repeater's coverage area, such as by comparing the channel quality indicators. If the access network determines that the mobile station is located inside (or moving into) the repeater's coverage area, it may also initiate a handover of the communication with the mobile station to the repeated wireless link (e.g., which may include suspending application of a load threshold to the repeated wireless link). | 10-13-2011 |
20110242987 | SYSTEM AND METHOD FOR NETWORK OPTIMIZATION - A mobile station (MS) used in a wireless communication system collects communication metrics data during a call session and stores the communication metrics data in the MS at the time that a session is disrupted. When a new communication link is established, the MS transmits the stored communication metrics. The communication metrics and other data relating to the disrupted communication session may be analyzed to determine which communication metrics were operating at abnormal values and determine the probability that a particular communication metric was related to the cause of the session disruption. The communication metrics values and probability metrics values may be used to determine a likely cause for the session disruption. | 10-06-2011 |
20110222470 | SYSTEM AND METHOD FOR PROVIDING QUALITY OF SERVICE TO VOICE-OVER-IP TRAFFIC ON A WIRELESS RADIO ACCESS NETWORK - In various embodiments, a system, network node, and method of providing voice communications in a wireless packet communications system includes registering a communications path between a gateway (GW) and a base station (BS); establishing a real-time service flow in the BS; activating the real-time service flow over an air interface between the BS and a terminal device; requesting, by the terminal device, that zero bandwidth be allocated by the BS to the activated real-time service flow in the absence of voice traffic to or from the terminal device; requesting, by the terminal device, that sufficient bandwidth be allocated by the BS to the activated real-time service flow when voice traffic to or from the terminal device is detected by the terminal device; and transmitting and/or receiving the voice traffic over the registered communications path via the activated real-time service flow. | 09-15-2011 |
20110205916 | METHOD AND SYSTEM FOR MANAGING TRAFFIC IN A WIRELESS COMMUNICATION SYSTEM - An inspection node receives an event to begin monitoring a traffic flow where the event comprises a flow identifier associated with the traffic flow. The inspection node receives the traffic flow where the traffic flow comprises a plurality of packets and begins inspecting the plurality of the packets to obtain an application identifier. Based upon the flow identifier and the application identifier, the inspection node performs a sampling process on the traffic flow. After determining the end of the traffic flow, the inspection node terminates the sampling process. | 08-25-2011 |
20110189997 | SYSTEM AND METHOD FOR MULTIMODE DEVICE HANDOVER - Systems and methods of operating multimode 3G/4G communications devices in an overlapping 3G/4G coverage area (e.g., WiMAX or LTE/CDMA-EvDO) include determining a loading condition of the 3G and 4G base stations. If the 3G and 4G base stations are lightly loaded, one or more 4G Channel Quality Indicators (CQI) are compared with one or more corresponding 3G Data Rate Control (DRC) indices to determine which of the 3G and 4G networks allows a higher data throughput. The dual mode communications device is handed off to a 4G base station associated with the 4G coverage if the 4G network allows the higher data throughput; otherwise, the dual mode communications device is handed off to a 3G base station. User priorities, application categories, and/or MIMO and diversity modes may be used to determine handoff if the base stations are more than lightly loaded. | 08-04-2011 |
20110176516 | Systems and Methods for Bandwidth Allocation - Systems and methods for allocating uplink bandwidth are provided. A base station transmits an identification of a plurality of codes and an associated service flow type for each of the plurality of codes to a wireless station. The base station receives a bandwidth request message from the wireless station. The bandwidth request message is one of the plurality of codes. The base station transmits a bandwidth allocation message allocating bandwidth based on a service flow type associated with the received code. | 07-21-2011 |
20110167180 | ANTENNA DOCKING STATION - A mechanical and electrical attachment apparatus for coupling a wireless communication device to a computing device such that higher levels of radiated power may be applied while maintaining adherence to FCC regulations. The attachment device includes apparatus for coupling the wireless device to the attachment device by establishing a plurality of electrical connections including a radio frequency signal connection. The apparatus also includes an antenna that is used to transmit and receive radio frequency signals. The apparatus may optionally include an RF amplifier. | 07-07-2011 |
20110153754 | SYSTEM AND METHOD FOR DISPLAYING TIME-SENSITIVE ALERTS IN A MOBILE DEVICE - In various embodiments, a method for receiving alerts through a network includes providing a device having a pop-up management module and a display; providing a communications interface between the device and one or more database systems located outside the network; providing a user interface configured to allow the user to selectively choose to display, on the display, one or more message types generated by the one or more database systems, wherein said one or more message types are received by said pop-up management module via the network and displayed on the display as a pop-up message. A related system includes a device registered in the network having a processor, a memory device, a transceiver, a user interface, and a display, wherein the processor is configured to control a pop-up management module for displaying one or more message types as a pop-up message. The device may be a WiMAX-enabled device and the network may be a WiMAX network. | 06-23-2011 |
20110105102 | SYSTEM AND METHOD FOR PROXIMITY-BASED RADIO MANAGEMENT - A multi-modal wireless communication device contains multiple radios for communication with wireless networks utilizing different communication protocols. When a communication link with a first base station using a first communication protocol is broken, and a communication link established with a second base station, the mobile device stores the communication data related to the prior communication link and stores it in association with the current communication link. At some future time, the mobile device may establish a communication link with the second base station. The mobile device can check the stored data to see if there is a an alternative network connection in the proximity of the current connection. If so, the mobile device may activate the radio for communication with first base station and actively attempt to establish a communication link based on the proximity data recalled from storage in the mobile device. | 05-05-2011 |
20110096754 | MULTI-FREQUENCY REAL-TIME DATA STREAM HANDOFF - A method of operating a communication system is disclosed. A time sensitive data stream is sent to a wireless device via a first wireless station. A handoff criteria is determined to have been satisfied. Based on the handoff criteria being satisfied, at least one control message is sent that instructs the wireless device to increase a buffer size associated with the time sensitive data stream. | 04-28-2011 |
20110055413 | CONFIGURABLE DOWNLOAD TIMING AND REWARD SYSTEM IN A DATA NETWORK - A system and method are provided for determining whether a transaction between a subscriber and a merchant website requires downloading and/or streaming digital objects. In response to a determination that the transaction does require downloading and/or streaming of digital objects, a subscriber is provided with various options for delaying such downloading and/or streaming in return for incentives of varying value. | 03-03-2011 |
20110051695 | Methods and Devices for Scheduling Transmissions in a Wireless Network Based on Traffic Priority and Channel Conditions - Methods and systems for assigning time-division multiplexed (TDM) slots in a multi-channel TDM system are presented. Preferably, a radio access network (RAN) assigns forward link and reverse link transmissions between the RAN and one or more wireless communication devices (WCDs) to TDM slots on various wireless channels. When making these assignments, the RAN may take into account (i) the priority of data that the RAN queues for the WCDs, and (ii) the signal quality at which the WCDs can receive the various wireless channels. | 03-03-2011 |
20110044262 | APPARATUS AND METHOD FOR SCHEDULER IMPLEMENTATION FOR BEST EFFORT (BE) PRIORITIZATION AND ANTI-STARVATION - In various embodiments, a method, computer-readable storage medium, and apparatus for scheduling prioritized best effort (BE) service flows through a wireless network base station includes a controller coupled to a memory. If any one of a plurality of BE service flows are congested, a minimum reserved traffic rate (MRTR) algorithm is used by the controller to ensure that at least a highest priority BE service flow is maintained at least at an associated MRTR. If none of the plurality of BE service flows are congested, a maximum sustained traffic rate (MSTR) algorithm is used by the controller to enable the highest priority BE service flow to be set to at least at an associated MSTR before lower priority service flows are increased. If none of the plurality of BE service flows are congested and each service flow is at their associated MSTR, the controller is configured to distribute any excess bandwidth to each service flow in accordance with an initial set of priority BE traffic flow ratios. | 02-24-2011 |
20110038325 | SYSTEM AND METHOD FOR SCHEDULING PACKETS IN A COMMUNICATION SYSTEM - A method and system of operating a communication system to schedule packets is provided. In part, if a first application has a first minimum rate guarantee, a first weight is assigned to a first packet based on the first minimum rate guarantee. If the second application has a second minimum rate guarantee, then a second weight is assigned to a second packet based on the second minimum rate guarantee. A first channel performance indicator is determined based on how a first channel is performing compared to a first channel condition history and a second channel performance indicator is determined based on how a second channel is performing compared to a second channel condition history. Furthermore, the method comprises scheduling the first and second packets based on the first and second weights and on the first and second channel performance indicators. | 02-17-2011 |
20110034193 | CHANNEL CONDITION BASED SIGNAL QUALITY FEEDBACK BANDWIDTH ALLOCATION - A first amount of bandwidth is allocated to a first wireless device to send signal quality information to a base station. Based on a first indicator of wireless link conditions associated with the first wireless device, and a second indicator of wireless link conditions associated with a second wireless device, a second amount of bandwidth is allocated to the first wireless device to send signal quality information to the base station. | 02-10-2011 |
20110032863 | Systems and Methods of Supporting Powerline Communications - Systems and methods for powerline communications are provided. A system can include a controller and an extension unit. The controller includes a plurality of transceivers, each of the plurality of transceivers are coupled to a powerline network and a switch coupled to each of the plurality of transceivers. The extension unit includes a transceiver coupled to the powerline network and an interface to a communication unit. The controller is coupled to a broadband wireless network via the powerline network and the switch of the controller switches communications between the extension unit and the broadband wireless network.. | 02-10-2011 |
20110028146 | SYSTEM AND METHOD FOR MICROWAVE TRAFFIC ROUTING - A radio communication system has a primary communication pathway and a secondary communication pathway. When the primary communication pathway is implemented by a microwave radio link, it is susceptible to poor performance under adverse weather conditions. A system evaluates the available data bandwidth under adverse conditions and provides control instructions to a data switch to reduce the data flow to the primary communication pathway. In addition, the data switch may receive priority control data to prioritize data queues to the primary communication pathway and the secondary communication pathway in accordance with the received instructions. | 02-03-2011 |
20110026920 | Systems and Methods of Supporting Powerline Communications - Systems and methods for supporting communications over powerlines are provided. The system can include a frequency and amplitude selective optical converter coupled to a powerline, an optical multiplexer coupled to the optical converter and an optical demultiplexer coupled to the optical multiplexer. The optical converter can be tuned to a frequency and amplitude corresponding to voice or data communication signals carried on the powerline. | 02-03-2011 |
20110026455 | WIRELESS COMMUNICATION SYSTEM - A method of operating a communication system comprises exchanging initial communications between a wireless communication device and a communication network over a wireless connection between the wireless communication device and a network access system and a network connection between the wireless communication device and the communication network. The method further comprises performing a plurality of ranging processes to monitor a status of the wireless connection. Upon successfully completing a ranging process of the plurality of ranging processes, the method comprises determining a duration elapsed since the last successful ranging process and processing the duration to determine if the duration satisfies a criteria. The method further comprises, if the duration does not satisfy the criteria, then setting the indicator to indicate that a partial entry process is required to regain the network connection, and in response to the deterioration of the wireless link, processing the indicator to determine if the partial network entry process is required to regain the network connection. | 02-03-2011 |
20110026454 | WIRELESS COMMUNICATION SYSTEM - A method of operating a communication system comprises exchanging initial communications between a wireless communication device and a communication network over a wireless connection between the wireless communication device and a network access system and over a network connection between the wireless device and the communication network. The method further comprises, in response to a loss of the network connection due to a deterioration of the wireless connection, determining if a partial network entry process is possible to regain the connection, and if the partial network entry process is possible to regain the network connection, performing the partial network entry process. The method further comprises, in response to an improvement of the wireless connection and upon regaining the network connection, exchanging new communications between the wireless communication device and the communication network over the wireless connection and the network connection. | 02-03-2011 |
20110022504 | Systems And Method For Establishing A Data-Path Between A Mobile Station And A Home Access Service Network Gateway - The present invention relates to systems and methods for establishing a data-path between a mobile station and a home access service network gateway (“ASN-GW”). During the authentication process, a visited ASN-GW receives a first message that identifies a home ASN-GW associated with the mobile station. After the mobile station has been authenticated, the visited ASN-GW receives a first data-path request message from a base station serving the mobile station, requesting a path for data-packet communication for the mobile station that extends between base station and the visited ASN-GW. The visited ASN-GW responsively uses the received identification to send a second data-path request message to the home ASN-GW which requests a path for data-packet communication that extends between the base station and the home ASN-GW. Once the data-path has been established, the home ASN-GW may monitor and/or place restrictions on the data being transmitted to and from the mobile stations. | 01-27-2011 |
20110021236 | QUALITY OF SERVICE BASED DOWNLINK POWER ALLOCATION - A first wireless device associated with a first profile is communicated with using a first transmitted power. A second wireless device associated with a second profile is communicated with using a second transmitted power. A third transmitted power is determined. The third transmitted power is associated with the first wireless device receiving data using a target modulation and coding scheme. A maximum transmitted power is determined to be exceeded if the third transmitted power is used to communicate with the first wireless device. The second wireless device is communicated with using a fourth transmitted power. The fourth transmitted power allows the third transmitted power to be used to communicate with the first wireless device without exceeding the maximum transmitted power. | 01-27-2011 |
20110021198 | Systems And Methods For Selectively Pre-Registering Data Paths For Mobile Stations - The present invention relates to systems and methods for selectively pre-registering a data path for a mobile station. In an embodiment, a serving base station receives a mobile-originated handoff-request message from a mobile station, wherein the mobile-originated handoff-request message identifies one or more target base stations. The serving base station then responsively determines whether to instruct each respective target base station to pre-register a data path for the mobile station. The serving base station then sends a respective serving-to-target handoff-request message to each identified target base station, indicating whether the serving base station is instructing that target base station to pre-register a data path for the mobile station. | 01-27-2011 |
20110014914 | Systems and Methods of Bandwidth Allocation During Handoff - Systems and methods of uplink bandwidth allocation for a handoff are provided. A mobile station can transmit a handoff request message to a serving base station. The mobile station and the target base station can exchange synchronization messages and the mobile station can then subsequently receive an unsolicited allocation of a number of uplink sub-channels from the base station. | 01-20-2011 |
20110010771 | DETECTING A DENIAL OF SERVICE ATTACK - A plurality of ranging processes are performed to monitor a status of a wireless link associated with a device identifier. A ranging request that includes the device identifier and a message skip indicator is received. It is determined that the device identifier is already associated with the wireless link. A duration since a previously completed ranging process is determined. Based on the duration, and the message skip indicator, it is determined whether to respond to the ranging request. | 01-13-2011 |
20100329181 | APPARATUS AND METHOD FOR DUAL-MODE WIMAX/CDMA OPERATION - A system, computer-readable medium, and method of operating a dual-mode WiMAX and CDMA communications device capable of operating in a CDMA mode or a WiMAX mode includes receiving a first base station (BS) location message from the BS and storing the received location as a current BS location. The BS location is compared to stored region coordinates for the different regions, and the comparison is used to determine a particular region in which the dual-mode device is currently located. Analysis determines whether a WiMAX market is located within the particular region. If no WiMAX markets are located, the dual-mode device is operated in the CDMA mode. If one or more WiMAX markets are located within the particular region, a determination is made as to whether the BS location is within a WiMAX market and, if so, the dual-mode device is placed in a WiMAX mode of operation. Battery power is conserved by avoiding WiMAX transmission when WiMAX service is not available at the current BS location. | 12-30-2010 |
20100323735 | Method and Computer-Readable Medium for Dynamic Rate Capping - A method and computer-readable medium for dynamic rate capping of data transmissions of a subscriber are provided. According to the method, configuration parameters for dynamic rate capping are defined. A plurality of subscriber parameters are obtained, and a plurality of network parameters are measured. A rate boost factor is calculated based on a backhaul rate boost factor and a sector rate boost factor. A transmission rate cap for subscriber data transmissions is calculated based on backhaul and sector parameters, such as backhaul and sector rate boost factors. The rate of subscriber data transmissions is dynamically controlled based on the transmission rate cap. | 12-23-2010 |
20100323704 | OPTIMIZING HANDOVERS IN A COMMUNICATION NETWORK - Systems, methods, and software are provided to manage a handover of a mobile communication device from a source base station to a target base station. In an embodiment, a method comprises exchanging wireless communications between a plurality of mobile communication devices and a first base station system, processing the communications to determine a plurality of mobility profiles associated with the plurality of mobile communication devices served by the first base station system. A handover request to handover a mobile communication device from a second base station system to the first base station system is received. The plurality of mobility profiles are processed to select a candidate mobile communication device from the plurality of mobile communication devices. A handover of the candidate mobile communication device is initiated from the first base station system to a target base station system. | 12-23-2010 |
20100322157 | SOLUTION FOR INE/HO LB BOTTLE NECK - A system and method for reducing an initial network entry and/or handover (INE/HO) Link Budget (LB) Bottleneck in a communications network, for example, a Worldwide Interoperability for Microwave Access (WiMAX) network described in the IEEE 802.16 specification, is arranged such that a Base Station (BS) may allocate bandwidth with repetition across at least two frames on Initial Network Entry/Handover (INE/HO) by a Mobile Station. By doing so, the BS may achieve increased system gain on INE, while reducing the number of subchannels conventionally associated with repetition, thereby reducing the system noise floor during INE/HO. | 12-23-2010 |
20100315978 | SYSTEM AND METHOD FOR PROVIDING EXTERNAL RECEIVER GAIN COMPENSATION WHEN USING AN ANTENNA WITH A PRE-AMPLIFIER - In various embodiments, a system and method for improving a noise figure (NF) of a time division duplex (TDD) communications system includes a pre-amplified antenna unit having a plurality of antennas and associated low-noise amplifiers (LNA). Each of the associated LNA's is arranged to receive signals from a phase-matched pair of antennas selected from the plurality of antennas. For each of the phase-matched antenna pairs, a variable negative gain circuit may be coupled to a TDD signal output of the associated LNA such that a remote radio head (RRH) may be suitably coupled to an output of the variable gain circuit. The variable gain circuit is configured to provide a negative gain to the TDD signal appropriate to ensure that a dynamic range of the RRH is not reduced from a desired dynamic range due to excess gain provided by the LNA. A method of retrofitting a conventional pre-amplified antenna unit includes inserting a variable negative gain circuit so that the modified pre-amplified antenna may be used with any vendor's RRH. | 12-16-2010 |
20100313095 | Systems and Methods of Information Transmission - Systems and methods of information transmission are provided. An endpoint receiving packets with non-voice information transmits negative and positive acknowledgements over a dedicated channel in an uplink subframe. When the endpoint receives packets with voice information, the endpoint transmits negative acknowledgements over a shared channel, but does not transmit positive acknowledgements. | 12-09-2010 |
20100303025 | HYBRID SCHEME FOR DL LINK ADAPTATION - A system and method of a hybrid scheme of DL link adaptation in a network having mobile stations (MSs) in communication with a base station (BS). The system may include a mode decision module associated with the base station. The mode decision module may include one or more processors configured to select a first mode configuration for use during transmission of a first communication from the base station. The BS may receive first feedback information associated with the first communication, where the first feedback information includes a first mode recommendation and first channel information. Based on the first feedback information, the BS may generate a BS-derived mode configuration based on the first channel information and compare the first mode recommendation and the BS-derived mode configuration. Based on the comparison, the BS may determine a second mode configuration to use to configure a second communication. | 12-02-2010 |
20100281322 | SYSTEM AND METHOD FOR DYNAMIC HYBRID AUTOMATIC REPEAT REQUEST (HARQ) ENABLE/DISABLE - A system and method of increasing data throughput in a wireless communications network between a base station (BS) and one or more mobile stations (MS) includes establishing a service flow (SF) and initially enabling a hybrid automated repeat request (HARQ) protocol; determining, at a particular time, the measure of quality of the communications channel; comparing the determined measure of quality with a predetermined channel quality threshold; and selectively disabling the HARQ protocol based upon a first comparison result while continuing the SF between the BS and MS. In other aspects, after selectively disabling the HARQ protocol, the method further includes determining that the time-varying measure of quality of the communications channel has deteriorated below the predetermined channel quality threshold; and selectively re-enabling the HARQ protocol in the established SF. | 11-04-2010 |
20100278160 | SYSTEM AND METHOD FOR HYBRID SCHEMES OF MIMO MODE DECISION - A system and method a hybrid scheme of mode decision in a network having a plurality of mobile stations communicably coupled to a base station may include a mode decision module associated with the base station. The mode decision module may include one or more processors configured to select a first mode configuration for use during transmission of a first communication from the base station, receive first feedback information comprising a first mode recommendation and first channel information, identify a first system state of the first communication based at least in part on the first condition information, determine whether to use the first mode recommendation configuration based at least in part on the first system state, and configure the second communication using a second mode configuration based on the determination. | 11-04-2010 |
20100278103 | SYSTEM AND METHOD FOR ADAPTIVE CONTROL OF AN AVERAGING PARAMETER FOR PCINR AND RSSI - A system and method for adaptive control of an averaging parameter in a communications network may include an averaging parameter adaptive control module (APAC) that is associated with a base station and that includes one or more processors configured to generate a first averaging parameter that is transmitted by the base station to a mobile station communicating with the base station. The mobile station may use the first averaging parameter to generate first channel condition information that indicates a condition of a communication channel. First feedback information including the first channel condition information may be received at the base station. The APAC may generate a second averaging parameter using the first averaging parameter and the first feedback information and may transmit the second averaging parameter from the base station to the mobile station, thereby adaptively controlling the second averaging parameter based on the first feedback information. | 11-04-2010 |
20100278100 | EXTENDED RANGE VOICE OVER IP WIMAX DEVICE - A method implemented in a mobile station (“MS”). When the MS transmits, it generates radio frequency (“RF”) energy. To limit exposure to RF energy, regulatory agencies determined a maximum transmit power for mobile stations. The amount of RF energy considered safe is that generated when the MS is transmitting continuously at the maximum transmit power for a predetermined period. The method first determines whether the maximum transmit power is too low to effect communication between the MS and a base station. If it is, the transmit power is increased and if possible, the data transmit rate of outbound data is reduced to at or below a data rate threshold that reduces the RF energy generated by the mobile station to an amount considered safe. Then, any data having a data transmit rate less than or equal to the data rate threshold is transmitted at the increased transmit power. | 11-04-2010 |
20100251056 | Method and System for Improving Performance of Broadcast/Multicast Transmissions - Methods and systems for performing hybrid automatic repeat request (ARQ) in conjunction with broadcast/multicast channels are presented. In particular, an access node may transmit a series of hybrid ARQ subpackets to one or more client nodes using a broadcast/multicast channel. Each of the subpackets may be derived from the same full packet. Upon receiving a subpacket, a client node may attempt to decode the full packet from the subpacket(s) derived from the full packet. If the client node fails to do so, the client node may transmit a negative acknowledgement to the access node. If the access node receives more than a threshold extent of negative acknowledgements, the access node may transmit a subsequent subpacket in the series on the broadcast/multicast channel. | 09-30-2010 |
20100238899 | System and Method of Automatically Optimizing an Operational Radio Access Network - Systems and methods of automatically optimizing an operational radio access network are provided. Objective and operational cost functions for the radio access network are generated, and a deviation between the generated cost functions is determined. At least one aspect of the radio access network is adjusted in order to minimize the determined deviation between cost functions. | 09-23-2010 |
20100232390 | LOAD BALANCING MULTIPLE AMONG MULTIPLE CARRIERS IN A SECTOR - A method of operating a communication system is disclosed. A first set of wireless devices is communicated with using a first frequency range. A second set of wireless devices is communicated with using a second frequency range. A first air-interface utilization associated with the first frequency range is determined. The first air-interface utilization is determined to satisfy a criteria. A second air-interface utilization associated with the second frequency range is determined. A subset of the first set of wireless devices is selected. The subset is selected to have a total air interface utilization that exceeds one-half of the difference between the first air-interface utilization and the second air-interface utilization. The subset of wireless devices is controlled to use the second frequency range. | 09-16-2010 |
20100227567 | COMMUNICATION OPERATING MODE SELECTION BASED ON MULTI-PATH SIGNAL POWER MEASUREMENT - A method for communication operating mode selection is presented. In the method, each of a plurality of communication signals is transmitted by way of a separate one of a first plurality of antennas according to a first operating mode. The transmitted communication signals are received by way of a second plurality of antennas. A multi-path power metric of the received communication signals is generated. Based on the multi-path power metric, each of the plurality of communication signals is transmitted by way of the first plurality of antennas according to a second operating mode instead of the first operating mode. | 09-09-2010 |
20100223523 | COMMUNICATION RETRANSMISSION BASED ON TRANSMISSION PERFORMANCE RELATIVE TO EXPECTED QUALITY OF SERVICE - A method of communication retransmission based on performance relative to an expected quality of service is presented. In the method, data packets associated with the expected quality of service are transmitted. The transmission performance associated with the transmission of the data packets is determined in relation to the expected quality of service. A maximum number of retransmissions for one of the data packets to be transmitted is selected based on the transmission performance. The one of the data packets is transmitted using the communication retransmission scheme limited by the selected maximum number of retransmissions. | 09-02-2010 |
20100214923 | PREDICTIVE THROUGHPUT MANAGEMENT - A wireless device is communicated with using a first throughput. A predicted location for the wireless device is determined. Based on the predicted location, a predicted maximum throughput at the predicted location is determined. Based on the predicted maximum throughput, a second throughput is determined. The wireless device is communicated with using the second throughput. | 08-26-2010 |
20100210277 | CARRIER SELECTION - First and second indicators of a first available amount of an air-interface resources associated with a first and second channel, respectively, is received. A request for an allocation of an amount of the air-interface resource is received. Based on the request for the allocation, first and second ranking values associated with the first and second channels, respectively are determined. The first and second ranking values are selected such that the efficient allocations receive higher ranks. Based on the first ranking value and the second ranking value, the first frequency band is selected to provide the allocation of the amount of the air-interface resource. | 08-19-2010 |
20100210214 | METHOD FOR REDUCING TIME OF FLIGHT INTERFERENCE IN A WIRELESS COMMUNICATION NETWORK - A method for identifying time of flight interference in a wireless communication network is provided. The method includes detecting interference during a first uplink sub-frame at an interference destination base station, and transmitting a time of flight interference source detection request to a gateway, where the time of flight interference source detection request comprises a time of flight interference period. The method also includes determining one or more base stations in the vicinity of the interference destination base station, where the one or more base stations in the vicinity of the interference destination base station operate at a same frequency as the interference destination base station. The method further includes instructing the one or more base stations in the vicinity of the interference destination base station to re-transmit a preamble at least once in a downlink sub-frame, decoding a first preamble of a first interference source base station at the interference destination base station during a second uplink sub-frame, and identifying the first interference source base station based on the first preamble. | 08-19-2010 |
20100210213 | MULTI-CARRIER SELECTION - A method of operating a communication system is disclosed. A location associated with a first wireless device is received. For a first frequency band, a first stored signal quality indicator associated with the location is received. For a second frequency band, a second stored signal quality indicator associated with the location is received. Based on the first stored signal quality indicator and the second stored signal quality indicator, the first frequency band is selected. | 08-19-2010 |
20100208665 | SETTING TOKEN BUCKET PARAMETERS FOR SCHEDULING OF AIR-INTERFACE RESOURCES - A method of scheduling air-interface resources is disclosed. A throughput indicator associated with a wireless device is received. A modulation and coding scheme indicator is received. The modulation and coding scheme indicator being associated with a modulation and coding scheme recently used by the wireless device. Based on the modulation and coding scheme indicator, a token bucket size for a token bucket is selected. Based on the throughput indicator, a token rate for the token bucket is received. An air-interface resource is allocated to the wireless device based on the token bucket. | 08-19-2010 |
20100203916 | QUALITY OF SERVICE BASED MULTI-ANTENNA MODE SWITCHING - A method of operating a communication system is disclosed. A first wireless device associated with a first profile is communicated with using a first multi-antenna mode. A second wireless device associated with a second profile is communicated with using the first multi-antenna mode. A network resource utilization is determined. It is determined that the network resource utilization satisfies a criteria. Based on the network resource utilization satisfying the criteria, at least one control message is sent that instructs the second wireless device to use a second multi-antenna mode. | 08-12-2010 |
20090291695 | METHOD AND SYSTEM FOR PAGING MOBILE DEVICES IN A WIRELESS NETWORK - A paging initiation message is received at a first node transferred from the communication network. A paging announce message is generated at the first node based upon a last known location for the mobile station. The paging announce message comprises one or more identifiers associated with a proximate location of the mobile station. The paging announce message is sent to one or more paging groups. Each of the paging groups comprise one or more network elements associated with the one or more identifiers. A mobile paging message is generated at the one or more network elements when the one or more network elements comprise one or more network subelements identified by the one or more identifiers. The mobile paging message is sent to the mobile station transferred from the one or more network subelements. | 11-26-2009 |