35th week of 2008 patent applcation highlights part 35 |
Patent application number | Title | Published |
20080205216 | INFORMATION RECORDING APPARATUS CAPABLE OF RECORDING INFORMATION IN INFORMATION RECORDING MEDIUM, INFORMATION RECORDING METHOD, AND TARGET VALUE DETERMINING METHOD - According to one embodiment, an apparatus which records a signal in a recording medium in which information is written by using a first laser having a first wavelength and from which information is read by using a second laser having a second wavelength longer than that of the first laser, a signal is recorded in the recording medium by using the first laser, and a control section reproduces the signal recorded with the first laser and measures a first amount that is used to calculate a target value for optimization of recording conditions, reproduces a signal recorded with the second laser and measures a second amount for optimization of a reproduction signal, compares the first amount with the second amount, and determines the first amount under the recording conditions where the second amount becomes optimum as a target value for optimization of the recording conditions. | 2008-08-28 |
20080205217 | Method and Apparatus For Recording on a Multi-Layer Disc - A recording method, particularly suitable for use in a digital video-camera, is described according to which a digital signal ( | 2008-08-28 |
20080205218 | Optical disc drive and method for processing recorded data - This invention provides a technique which ensures that if a recording error occurs in an optical disc, recorded data will be immediately erased from the disc without leaking to third parties. While recording data onto the optical disc, a controller judges whether the recording process has been executed to completion properly. If the recording process is judged to have failed, the controller will stop the recording process and activate an optical pickup to erase recorded data from the data-recording area on the optical disc by overwriting this area with required erasing data. | 2008-08-28 |
20080205219 | JITTER MEASURING APPARATUS AND METHOD, SIGNAL PERIOD MEASURING APPARATUS AND METHOD, AND OPTICAL DISK PLAYER - An apparatus to measure jitter of a signal read from an optical disk includes a binarization unit to binarize an input signal to generate a binary signal, an ideal signal generator to generate a noise-free ideal signal based on channel characteristics of the optical disk, and a jitter measurement unit to measure jitter of the input signal based on the binary signal and the ideal signal. | 2008-08-28 |
20080205220 | RECORDING APPARATUS AND RECORDING METHOD - A recording apparatus includes: a performance determining unit measuring recording speeds on each of unit data sizes recorded by plural kinds of access pattern to a storing device and generating performance information indicating results of the measurement; a recording request receiving unit receiving a recording request including data to be recorded on the storing device and information of size of said data; and a recording control unit selecting an access pattern corresponding to higher recording speed as well as the information of data size included in the recording request from the performance information and instructing the storing device to perform a recording process using the selected access pattern. | 2008-08-28 |
20080205221 | DATA RECORDING EVALUATION METHOD AND OPTICAL DISK RECORDING AND REPRODUCTION DEVICE - Novel evaluation indexes are introduced to allow both a total evaluation of data recording and an evaluation of individual detection patterns. A data recording evaluation method includes a step of reproducing a result of data recording performed on an optical disk and identifying a predetermined detection pattern in a reproduction signal, a step of detecting a signal state of the reproduction signal associated with the predetermined detection pattern, and a first calculation step for calculating a first evaluation index value based on the detected signal state and a reference state identified from the predetermined detection pattern. When there is a plurality of predetermined detection patterns as described above, a second calculation step is further provided for calculating a second recording state evaluation index value using the first evaluation index value calculated from each of the predetermined detection patterns. Data recording can be properly evaluated using the first and second recording state evaluation index values. | 2008-08-28 |
20080205222 | Read-only recording medium and reproducing method thereof - A reproducing method and apparatus are discussed. According to an embodiment, the method includes checking whether or not a current position is a linking data area based on an identifier to identify the linking data area, the linking data area preceded and followed by a real data area and removing invalid data in the linking data area and outputting continuously the real data in the real data area before and behind the linking data area, when the identifier is detected. | 2008-08-28 |
20080205223 | Poor recording detection device and image recording apparatus using it - The present invention comprises an illumination unit for applying illumination light to the recording medium after recording on a recording medium and a camera unit for picking up an image recorded on the recording medium to which the illumination light is applied by the illumination unit and outputting detected information. The present invention outputs reference detection information obtained by detecting a reference recording image by the camera unit after recording the reference recording data on the recording medium as input recording data, generates correction information by comparing the reference detection information with the reference recording data and generates corrected input recording data obtained by correcting the input recording data on the basis of the correction information, and also detects poor recording on the comparison result between the input recording image information and the corrected input recording data after recording the input recording data on the recording medium. | 2008-08-28 |
20080205224 | METHOD AND APPARATUS FOR MANAGING DEFECTS IN RECORDING MEDIA, A COMPUTER READABLE MEDIUM INCLUDING COMPUTER READABLE CODE FOR THE SAME, AND A DEFECT MANAGED RECORDING MEDIUM OBTAINED USING THE SAME METHOD, APPARATUS, AND COMPUTER READABLE MEDIUM - A method, apparatus and computer readable medium for managing recording medium defects and a defect managed recording medium. The recording medium includes a spare area in which a replacement area, which is a substitute for a defective area of the recording medium, is formed, and a temporary defect management area in which temporary management information that specifies the defective area and the corresponding replacement area is recorded, wherein position information and state information regarding the defective area are recorded in the replacement area. Accordingly, it is possible to restore defect information even if recording medium defect management on the recording medium ended abnormally. | 2008-08-28 |
20080205225 | OPTICAL DISC, RECORDING APPARATUS, READING APPARATUS, RECORDING METHOD AND READING METHOD - An optical disc | 2008-08-28 |
20080205226 | METHOD OF AND APPARATUS FOR MANAGING DISC DEFECTS USING TEMPORARY DEFECT MANAGEMENT INFORMATION (TDFL) AND TEMPORARY DEFECT MANAGEMENT INFORMATION (TDDS), AND DISC HAVING THE TDFL AND TDDS - A disc having an updatable defect management area used by an apparatus for managing defects on the disc, the disc including a user data area which includes user data, a spare area that is a substitute area for a defect existing in the user data area, and an area in which are recorded an address of data that is last recorded in the user data area and an address of a replacement data recorded in the spare area. Accordingly, the disc defect management method and apparatus are applicable to a recordable disc such as a write-once disc while effectively using a defect management area of the disc. | 2008-08-28 |
20080205227 | METHOD AND APPARATUS FOR MANAGING DEFECTS IN RECORDING MEDIA, A COMPUTER READABLE MEDIUM INCLUDING COMPUTER READABLE CODE FOR THE SAME, AND A DEFECT MANAGED RECORDING MEDIUM OBTAINED USING THE SAME METHOD, APPARATUS, AND COMPUTER READABLE MEDIUM - A method, apparatus and computer readable medium for managing recording medium defects and a defect managed recording medium. The recording medium includes a spare area in which a replacement area, which is a substitute for a defective area of the recording medium, is formed, and a temporary defect management area in which temporary management information that specifies the defective area and the corresponding replacement area is recorded, wherein position information and state information regarding the defective area are recorded in the replacement area. Accordingly, it is possible to restore defect information even if recording medium defect management on the recording medium ended abnormally. | 2008-08-28 |
20080205228 | Information Protection System, Recording Medium to be Used Therefor and Storage Medium Storage Case - Disclosed is a simple and low cost information protection system for protecting data stored in an individual storage medium by preventing a hacker from entering. Also disclosed are a storage medium and a storage media storage case to be used for the system. | 2008-08-28 |
20080205229 | METHOD OF IDENTIFYING OPTICAL DISC - A method of identifying an optical disc is disclosed. The method includes enabling an optical pick-up unit to emit a first laser beam having a first wavelength to the optical disc; controlling the optical pick-up unit to move a focus point of the first laser beam in a direction of thickness of the optical disc; obtaining a first focus error (FE) signal corresponding to the first laser beam; counting a first s-curve number corresponding to s-curve occurring in the first FE signal; and identifying the optical disc according to the first s-curve number. | 2008-08-28 |
20080205230 | Speed-Down During Linking - In the invention herein a recordable optical disc is provided with embossed windings of a spiral track or circular tracks in a recording layer of phase change material and with embossed address/timing information located between adjacent windings. User data is received for recording on the disc. The data is written by controlling a laser beam scanning the winding to form marks of different phases of the phase change material at a higher disc speed while reading an address from the disc. The writing is occasionally interrupted in order to calibrate write parameters in order to improve the write quality. After the calibration linking is performed by jumping to a position just before the writing was interrupted, and determining the current position depending on an address read from the disc, and tracking to the position that the writing was interrupted. When an error occurs in reading the address information from the disc during linking at a higher disc speed, then the disc speed is reduced to a lower disc speed and linking is performed at the slower disc speed. After successful linking, writing of the user data continues at the lower disc speed or the disc speed is increased and writing continues at the higher disc speed. | 2008-08-28 |
20080205231 | Optical Disc Recording Pulse Control Method, and Control Device and Optical Disc Device Employed Therein - There are problems that recording degradation happens, and an error occurs in reproduction unless appropriate recording pulse conditions are determined. A recording pulse controlling method according to the present invention is a recording pulse controlling method for adjusting recording pulses for recording information on a writable optical disc, which includes a mark length adjustment step and a mark position adjustment step. The mark length adjustment step is a step for adjusting a recording mark length adjustment parameter, and the recording mark length adjustment parameter is adjusted to have a value for forming a recording mark having a length closest to a predetermined recording mark length. The mark position adjustment step is a step for adjusting a recording mark position adjustment parameter after the mark length adjustment step, and the recording mark position adjustment parameter is adjusted to have a value for forming a recording mark at a position closest to a predetermined recording mark position. | 2008-08-28 |
20080205232 | Vehicle sound enhancing system and method of producing - Methods, systems and storage media are disclosed for enhancing the sounds of any vehicle, motorized conveyance, vehicle simulator, video game or vehicle like device by feeding the output of a playback device of the invention fed by a storage medium of the invention containing signals including one or more sounds of an operating DEV of choice and a signal indicating the RPM of the operating vehicle, motorized conveyance, vehicle simulator, video game or vehicle like device into one or more speakers and/or headphones. DEV's (Driving enthusiast vehicles) includes performance vehicles, race cars, trucks, tanks, motorcycles, power boats and the like. Using the invention, a driver or passenger is able to produce, inside the passenger compartment of any vehicle, etc., the sounds that a DEV makes at the corresponding RPM's of the separate engines. | 2008-08-28 |
20080205233 | Predicting Dvd Recordable Recording Parameters in Dual Layer Discs - A method and apparatus for adjusting operating conditions when shifting from a first layer to a second layer during recording of a dual layer DVD. During calibration of the first layer before recording, parameters for differential laser power and beta target between the two layers are obtained from information fields of the disk. The distance between the layers is measured. When shifting from layer one to layer two, the laser power and beta target for layer two are obtained by using the current values immediately before shifting with addition of the differential obtained during calibration. The focus signal is adjusted by adding the difference compensated for temperature deviations. The tilt signal is unamended. In this way, the shift between layer one and layer two can be performed fastly without separate calibration. | 2008-08-28 |
20080205234 | Method and Apparatus for Recording on a Multi-Layer Disc - A recording method, particularly suitable for use in a digital video-camera, is described according to which a digital signal ( | 2008-08-28 |
20080205235 | Optical-pickup-adjustment optical disk, method of adjusting optical pickup device, and method of producing optical pickup device - An optical-pickup-adjustment optical disk used for adjusting or producing an optical pickup device, includes a transparent protective substrate; and an optical-pickup-adjustment middle-depth information recording layer formed on a side of an inside surface of the transparent protective substrate, wherein the optical-pickup-adjustment middle-depth information recording layer is formed to have a middle depth which is a center of the maximum depth of the maximum-depth information recording layer prescribed by the optical disk standard and the minimum depth of the minimum-depth information recording layer prescribed by the optical disk standard. | 2008-08-28 |
20080205236 | OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION REPRODUCING METHOD - A disc structure for making an inverted optical response through a super-resolution process using a recorded mark portion and a space portion, which is realized to amplify a signal amplitude and solve a conventional problem that a conventional super-resolution technique can obtain only small signals, since the super-resolution area is reduced to realize high density recording of data. | 2008-08-28 |
20080205237 | RECORDING MEDIUM, RECORDING METHOD, REPRODUCTION METHOD, RECORDING APPARATUS AND REPRODUCTION APPARATUS - A recording medium comprising a recording area, the recording area includes a first area and a second area, the first area includes a frame area, the frame area includes an area in which a second synchronization code sequence and at least a portion of data are to be recorded, and the second area includes an area in which a third synchronization code sequence and a fourth synchronization code sequence are to be recorded. | 2008-08-28 |
20080205238 | RECORDING/REPRODUCING METHOD, RECORDING/REPRODUCING APPARATUS AND HOLOGRAPHIC INFORMATION STORAGE MEDIUM - A recording/reproducing method and recording/reproducing apparatus, which use an information storage medium by adaptively preparing a standard for distinguishing bit | 2008-08-28 |
20080205239 | APPARATUS AND METHOD FOR RECORDING/REPRODUCING DATA ON/FROM HOLOGRAPHIC STORAGE MEDIUM - An apparatus and a method for recording/reproducing data on a holographic storage medium using temperature information of the holographic storage medium. The apparatus includes: a light processing unit to record the data on the holographic storage medium or to reproduce the data from the holographic storage medium; and a control unit to control the light processing unit, such that the data is recorded on the holographic storage medium, using a recording wavelength determined according to a temperature of the holographic storage medium or an ambient temperature thereof. | 2008-08-28 |
20080205240 | FOCUSING CONTROLLER AND METHOD THEROF FOR AN OPTICAL DISK DRIVE - A focusing controller and the method thereof for an optical disk drive. The focusing controller includes a filter, a coupler and a focus compensator. The filter filters out a high-frequency component of the track error signal and derives an adjusted signal, while the coupler eliminates the adjustment signal from the focusing error signal so as to generate a coupled signal. The focus compensator generates a focus control signal used for controlling a position of the pick up head of the optical disk drive according to the coupled signal during a focusing operation. | 2008-08-28 |
20080205241 | Optical Head With Switchable Diameter of the Radiation Spot on the Radiation Detector - In an optical scanning device ( | 2008-08-28 |
20080205242 | Multi-Radiation Beam Optical Scanning Device - An optical scanning device ( | 2008-08-28 |
20080205243 | Optical Head Apparatus and Optical Information Recording or Reproducing Apparatus Having the Same - An object of the present invention is to provide an optical head apparatus having a high signal to noise ratio in an RF signal in a simple circuit configuration, and an optical information recording or reproducing apparatus that uses it. The optical head apparatus includes a light source, an objective lens configured to focus an output light beam from the light source onto a disc-shaped optical recording medium, and a light detecting unit configured to receive a reflection light beam from the optical recording medium, and further includes an optical diffraction element configured to separate said reflection light beam into a first light beam group and a second light beam group, wherein the optical diffraction element generates the first light beam group from an entire section region of the reflection light beam and said second light beam group from at least a part of the section region of the reflection light beam. The light detector receives the first light beam group and the second light beam group by different light receiving sections, in order to detect a track error signal used for a track servo and a radial tilt signal indicating the radial tilt of the optical recording medium. | 2008-08-28 |
20080205244 | Optical head, optical disc apparatus including the optical head, and information processing apparatus including the optical disc apparatus - An optical head is used to irradiate a beam onto an optical recording medium having multiple recording positions in the thickness direction, and to receive a reflection beam reflected from the recording medium. The optical head has a light source, an optical system, and a detector. The optical system transmits the irradiation beam from the light source to the recording positions of the medium, separates optical components based on wavelength, and transmits the components to respective detection positions, where the components are individually detected. | 2008-08-28 |
20080205245 | OPTICAL PICKUP APPARATUS - A diffracting portion is disposed in an optical path between a light source and an optical disc. The diffracting portion diffracts the reflected light from recording layers of the optical disc toward a light receiving portion. The diffracting portion includes a first diffraction region having a first diffraction efficiency and a second diffraction region having a second diffraction efficiency lower than the first diffraction efficiency. The first diffraction region includes a FES diffracting portion and first to fourth TES diffracting portions. The second diffraction region includes fifth and sixth TES diffracting portions. First-order diffraction lights from the non-light-collecting recording layer enter on the fifth and the sixth TES diffracting portions, and are diffracted toward the light receiving portion by the fifth and the sixth TES diffracting portions. | 2008-08-28 |
20080205246 | OPTICAL HEAD AND OPTICAL DISK DEVICE - An interference type optical head and an optical disk device that can easily adjust an optical path length difference of a couple of lights, ensure higher signal amplification effect, and are suitable for reduction in size are provided in order to improve a regeneration signal quality with amplification of signal in the case where reflectivity of each layer must be lowered and relative noise for the signal increases because read speed is high in a multilayer optical disk. In view of essentially improving an S/N ratio of the regeneration signal in high-speed rotation of a multilayer disk, a plurality of interference phases are generated and an optical system for differential calculation has been reduced in size with an angular selective polarization conversion element in the optical disk device for amplifying the signal with interference of the light not radiated to the disk with the reflected light from the disk. Moreover, adjustment of reflection mirror angle of the reference light is no longer required by using a corner cube prism as the reference light reflection mirror and highly accurate signal detection can also be realized with a simplified structure. | 2008-08-28 |
20080205247 | Multi-Radiation Beam Optical Scanning Device - An optical scanning device for scanning an information layer ( | 2008-08-28 |
20080205248 | Optimization Spherical Aberration to Determine Current Layer - A spherical aberration correction mechanism is optimised early in the start-up process by measuring responses for various settings of the spherical aberration correction device that are removed from the initial settings of the spherical aberration correction by small amounts and comparing these responses with those anticipated for various of the multiple layers on the optical media. Signal measurements and calibrations can be performed prior to attempting to read data from the disc or concurrently with reading data from the disc. Comparing the responses with ideal, typical or anticipated curves for the various layers can derive the address of the current layer and the desired layer can be immediately accessed. | 2008-08-28 |
20080205249 | COMPATIBLE OPTICAL PICKUP AND OPTICAL INFORMATION STORAGE MEDIUM SYSTEM EMPLOYING- THE SAME - An optical pickup compatible with different types of optically recorded media and an optical recording and/or reproducing system employing the compatible optical pickup, the compatible optical pickup including: a short wavelength light source emitting a short wavelength light suitable for a high-density information storage medium; a low-density optical system emitting a long wavelength light suitable for a low-density information storage medium; an objective lens focusing lights incident from the long wavelength light source and the low-density optical system onto an information storage medium; a single photodetector (PD) receiving the short and long wavelength lights reflected from the information storage medium to detect a reproduction signal and a focus error signal; a detection lens focusing the short and long wavelength lights reflected from the information storage medium as a light spot having an appropriate size onto the single PD; a first collimating lens positioned on an optical path of a light reflected from the information storage medium, wherein the optical path is positioned between the objective lens and the single PD; and a driving unit adjusting a position of the first collimating lens along an optical axis according to a wavelength of a light moving towards the single PD to reduce an offset of a focus error signal caused by chromatic aberration. | 2008-08-28 |
20080205250 | Operating Optical Drive Using Parameters - The invention relates to operating an optical drive apparatus from parameters read from an associated record carrier. Data-aided adaptation loops are often used in modern communication and storage systems. To ensure fast and robust start-up by ensuring a stable starting point in an adaptation loop and a fast convergence of the adaptation loop, an information data field is provided on, and read from by the drive, an associated optical record carrier. The information data field comprising start-up parameters, the start-up parameters comprising information about recommended write parameters and information related to a resulting channel response for the case when the recommended write parameters are used. In a start-up situation of the optical drive apparatus, the channel response of the bit detector is computed based on the start-up parameters. | 2008-08-28 |
20080205251 | Method and System For Data Recording and Reading in Multi-Photon Excitable Media - A method, system and non-linear optical storage medium are presented for use in at least reading data in the medium. The technique utilizes a first function corresponding to an effect of data recording in the medium and a second function corresponding to an effect of reading the recorded data, where each of the first and second functions is a function of at least a power profile of applied interacting radiation in a respective one of the recording and reading events and a duration of said event. These data is utilized to select a certain operating mode defined by ranges of said power and duration parameters during the reading process corresponding to a non-degenerate relation between the first and second functions. | 2008-08-28 |
20080205252 | FERROELECTRIC INFORMATION STORAGE MEDIUM AND METHOD OF MANUFACTURING THE SAME - A ferroelectric information storage medium having ferroelectric nanodots and a method of manufacturing the ferroelectric information storage medium are provided. The ferroelectric information storage medium includes a substrate, an electrode formed on the substrate, and ferroelectric nanodots formed on the electrode, wherein the ferroelectric nanodots are separated from each other, and a plurality of the ferroelectric nanodots form a single bit region. | 2008-08-28 |
20080205253 | HIGH DENSITY DATA STORAGE MEDIUM, METHOD AND DEVICE - A composition of matter for the recording medium of nanometer scale thermo-mechanical information storage devices and a nanometer scale thermo-mechanical information storage device. The composition includes: one or more polyaryletherketone copolymers, each of the one or more polyaryletherketone copolymers comprising (a) a first monomer including an aryl ether ketone and (b) a second monomer including an aryl ether ketone and a first phenylethynyl moiety, each of the one or more polyaryletherketone copolymers having two terminal ends, each terminal end having a phenylethynyl moiety the same as or different from the first phenylethynyl moiety. The one or more polyaryletherketone copolymers are thermally cured and the resulting cross-linked polyaryletherketone resin used as the recording layer in an atomic force data storage device. | 2008-08-28 |
20080205254 | Content Protection on a Record Carrier - The invention relates to a record carrier having a data zone ( | 2008-08-28 |
20080205255 | Optical disk - The invention provides an optical disk that enables high-speed reproduction of address signals. A wobble address system for optical disk supports various types of synchronization, such as phase synchronization, bit synchronization, word synchronization, etc., to be established easily with high detection reliability with the use of an self-orthogonal code. Thus, the invention provides a method for easily synchronizing an address signal, i.e., high-speed reproduction of the address signal. Further, by virtue of an efficient modulation system of the address signal and redundancy thereof, it becomes possible to detect address information with high reliability. This capability is particularly effective in optical recording/reproduction with a blue light source whose signal light quantity and reproduction quality are prone to reduce. Moreover, other additional data of the address data is preserved in the wobbles, which provides medium information to a rewritable optical disk without using embossed pits such that a high-reliability disk (with enhanced security) is realized with a low cost and easily. | 2008-08-28 |
20080205256 | OPTICAL RECORDING MEDIUM, AND RECORDING METHOD AND RECORDING APPARATUS FOR OPTICAL RECORDING MEDIUM - In an optical recording medium having a plurality of recording layers on which information can be recorded by irradiating a laser beam from one side thereof, an optimum recording power to each of the recording layers can be determined. The optical recording medium has a plurality of recording layers on which information can be recorded by irradiating a laser beam from one side thereof, and each of the recording layers has a power calibration area (PCA) for optimizing the intensity of the laser beam. | 2008-08-28 |
20080205257 | OPTICAL INFORMATION RECORDING MEDIUM - An optical information recording and reproducing device | 2008-08-28 |
20080205258 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING MAP INFORMATION IN A COMMUNICATION SYSTEM - A method and apparatus for transmitting and receiving MAP information in a communication system are provided. A base station acquires channel quality information of each mobile station, generates sub-MAPs using MAP information, to which at least one of a coding scheme, a modulation scheme and a repetition scheme is applied, separately for each mobile station according to the channel quality information, and transmits the generated sub-MAPs. A mobile station receives MAP information from the base station, detects a sub-MAP allocated to the mobile station from the received MAP information, and restores the detected sub-MAP to MAP information using at least one of a corresponding decoding scheme, demodulation scheme and repetition scheme corresponding to coding scheme, modulation scheme and repetition scheme applied in the base station, based on channel quality information of the mobile station. Accordingly, system overhead can be reduced. | 2008-08-28 |
20080205259 | Recursive equalization matrix for multiple input multiple output systems - A method for receiving a signal in a wireless communication system based on Multiple-Input Multiple Output (MIMO)—Orthogonal Frequency Division Multiplexing (OFDM) through multiple antennas. In the system, weight for a zero forcing based equalization matrix is determined by inverting a channel transfer matrix for each subcarrier of the signals. The original data transmitted is recovered by combining data subcarriers from different receive antennas using the calculated weights thus reducing the system complexity. | 2008-08-28 |
20080205260 | SYSTEM AND METHOD FOR TRANSMITTING DATA BURSTS IN COMMUNICATION SYSTEMS - Disclosed is a method for transmitting data bursts by a base station in a communication system, including forming one group which includes at least one subchannel and transmitting at least two data bursts having an equal transmission characteristic through each subchannel included in the group. | 2008-08-28 |
20080205261 | Multi-Hop Booster - A two-way wireless repeater and booster system and method are disclosed. The system and method improve signal quality and strength for the middle hop of a three-hop repeater, between User and Network Units operating in the unlicensed bands (ISM and/or UNII), and supporting the cellular (or wireless) network communications channels. The system and method enables the support of a wider repeat spectrum or bandwidth for a given communications bandwidth in the unlicensed band. | 2008-08-28 |
20080205262 | NODE CONTROLLER AND NODE SYSTEM - A communication network including non-GMPLS nodes is treated as a virtual single GMPLS node by a GMPLS integrated controller, in which, when fault recovery is possible within the communication network including the non-GMPLS nodes, the fault recovery is autonomously performed. When fault recovery is unlikely to be achieved within the communication network including the non-GMPLS nodes, GMPLS-based fault recovery process is activated to effectively recover from the fault. | 2008-08-28 |
20080205263 | System and method for advanced fail-over for packet label swapping - The present method for advanced fail-over packet label swapping for a packet network having a working path and a protection path, each of the working path and protection path interconnected by a near-end switch and a far-end switch includes: provisioning the working path, protection path, near-end switch, and far-end switch with a failure counter delay; monitoring heartbeat packets on one of the near-end switch and the far-end switch during a monitoring period to determine a number of packets that were not received by at least one of the switches during the monitoring period; determining if the determined number of packets exceeds a predetermined lost packet value for the failure counter delay; and responsive to the determined number of packets exceeding the predetermined lost packet value, delaying the monitoring for a period of time equal to the failure counter delay. | 2008-08-28 |
20080205264 | Redundant router set up - Methods, systems, and devices are provided for controlling the power level of voice signal streams. One embodiment of a network device having router functionality includes a processor, memory in communication with the processor, and program instructions. The program instructions can be stored in memory and executable on the processor to designate a fail-over virtual router interface for a first physical router on a second physical router based on addressing information obtained via communication between the first physical router and the second physical router. | 2008-08-28 |
20080205265 | TRAFFIC ROUTING - A method may include forming a primary label switching path (LSP) from a first node to a second node, where the primary LSP has a path metric that is less than a predetermined value. The method may also include detecting a failure in the primary LSP and identifying a second path from the first node to the second node that has a path metric that is less than the predetermined value. The method may further include routing data via the second path in response to the failure in the primary LSP. | 2008-08-28 |
20080205266 | DATA BURST ASSEMBLY APPARATUS AND DATA BURST PROCESSING METHOD THEREOF - A data burst assembly apparatus includes a receiver to receive a packet from at least one source; a monitor to monitor a data traffic condition of a network; and a data burst generator to dynamically determine a value of a generation parameter for generating a data burst with respect to the packet received at the receiver according to the data traffic condition of the network, and to generate the data burst using the generation parameter value. A storage unit may be further included to store a mapping table defining generation parameter values mapped based on data traffic conditions. A data burst generator can read a generation parameter value mapped to a monitoring result from a mapping table and generate a corresponding data burst. | 2008-08-28 |
20080205267 | Service Differentiation in the IP Multimedia Subsystem Utilizing Context-Aware Signaling - A system and method for service differentiation enabling a user to express the level of importance of a session being established and change the level during the session while satisfying QoS profiles. An extension of the 3GPP IMS architecture includes a Session Prioritization Function (SPF) in communication with a S-CSCF and a Context Information Base (CIB) which provides network contextual information. Upon receiving a session initiation or change request, the S-CSCF queries the SPF for a resource allocation/deallocation decision. The SPF consults session prioritization policies and the contextual information to make an informed decision. If the load on the IMS network is normal or light, the SPF utilizes an upper limit policy to limit resources for each service class. Otherwise, the SPF limits the size of multi-party sessions and utilizes soft and hard preemption to transfer network resources between classes. The SPF may trigger the S-CSCF to re-negotiate media-format parameters if network contextual information changes. | 2008-08-28 |
20080205268 | ADMISSION CONTROL METHOD AND ADMISSION CONTROL SYSTEM - An admission control method for determining a session admission probability with respect to a new session admission of a path, so that a bandwidth measured in the path and corresponding to a sum of bandwidth used converges to a vicinity of a specified target value, includes computing the session admission probability based on a deviation between the measured bandwidth and the bandwidth target value using a feedback control rule, and judging whether or not to accept a new session in the path based on the computed session admission probability, and processing the new session admission based on a result of the judging. | 2008-08-28 |
20080205269 | METHOD AND SYSTEM FOR REROUTING TRAFFIC - A traffic rerouting method for rerouting traffic to be passed to a receiving end from an old path to a new path includes rerouting the traffic by reducing the amount of traffic passing through the old route while at the same time increasing the amount of traffic passing through the new path. | 2008-08-28 |
20080205270 | Strategies for Selecting a Format for Data Transmission Based on Measured Bandwidth - A strategy is described for transmitting data from a first entity to a second entity. The data is transmitted using a format that is selected to accommodate available bandwidth in a communication coupling that connects the first entity and the second entity. The first entity or the second entity can comprise a terminal service (TS) client device and a terminal service (TS) server device, respectively, or vice versa. The strategy can compute the bandwidth by recording timing information associated with the transmission of a short message followed by a longer message from the first entity to the second entity. The short message is used to remove the effects of latency in the computation of bandwidth. | 2008-08-28 |
20080205271 | VIRTUAL CONNECTION ROUTE SELECTION APPARATUS AND TECHNIQUES - Virtual connection route selection apparatus and techniques are disclosed. At a communication traffic routing apparatus, metric information associated with multiple different routes for a virtual connection, such as a PseudoWire, toward a destination is collected. The metric information may be collected from one or more remote route computation elements capable of computing routes for virtual connections between the routing apparatus and other routing apparatus over an underlying communication system, or during actual establishment of the virtual connections, for example. An initial or re-optimized route for a virtual connection can then be selected at the routing apparatus based on the collected metric information. In some embodiments, although the virtual connection routes are paths computed by Path Computation Elements (PCEs), actual path selection decisions are distributed to routers. | 2008-08-28 |
20080205272 | SLICED TUNNELS IN A COMPUTER NETWORK - In one embodiment, a sliced tunnel is signaled between a head-end node and a tail-end node. One or more fork nodes along the sliced tunnel are configured to furcate the sliced tunnel into a plurality of child tunnels of the sliced tunnel. Also, one or more merge nodes along the sliced tunnel are configured to merge a plurality of child tunnels of the sliced tunnel that intersect at the merge node. | 2008-08-28 |
20080205273 | Network traffic monitoring - Systems, methods, and devices are described that monitor network traffic. One method includes monitoring a number of packets received by a network device based on a number of criteria to determine a flow of the packets. For each monitored packet for a particular source IP address/destination IP address pair, the method includes hashing a destination TCP/UDP port number into a range [0 . . . N]. The method further includes setting a bit in a bit field that has a width of N+1 bits based on the hashing. | 2008-08-28 |
20080205274 | System and method for monitoring network traffic - A transceiver ( | 2008-08-28 |
20080205275 | Communication Resource Scheduling - In a method for scheduling communication resources, data-flow-specific information relating to a next scheduling period for a set of data flows is determined in a first entity. The determined data-flow-specific information is submitted to a second entity, where communication resource properties for communication resources are estimated. Communication resources in the next scheduling period are allocated in the second entity based at least on said data-flow-specific information and said communication resource properties. | 2008-08-28 |
20080205276 | Slotted ALOHA Congestion Control - A slotted Aloha communication system is provided according to one embodiment of the invention. The system may include a hub and a plurality of RCSTs. According to one embodiment, congestion control may occur at the RCST based in part on the number of segments received at the hub, the number of retransmission segments received at the hub and the number of successful collision retransmission segments received at the hub. The hub may communicate information regarding received segments. Congestion control may include calculating a transmission probably, performing a skewed probability measure with a probability equal to the transmission probability. If the results of the probability measure is positive the RCST may transmit or retransmit a segment within a first time prior, if the probability measure is negative then the RCST waits a set time period and reperforms the skewed probability measure. | 2008-08-28 |
20080205277 | Congestion control in an IP network - Upon detection of an overload condition at a network element, the network element sends two messages to those other network elements which may potentially send request messages to the overloaded network element. If the network utilizes the SIP signaling protocol, then the messages sent by an overloaded network element are SIP INVITE and SIP CANCEL. The CANCEL message comprises an indication that the sending network element is unavailable and an amount of time which the recipient network elements are to wait before sending any requests to the overloaded network node. Upon receipt of these messages, the receiving network elements wait for a delay time period before sending any additional request messages to the overloaded network element. During the waiting period, the waiting network elements may send request messages to network elements other than the overloaded network element which provide functionality similar to that of the overloaded network element. | 2008-08-28 |
20080205278 | METHOD FOR ACTIVELY MANAGING CENTRAL QUEUE BUFFER ALLOCATION - A method is provided for packet flow control for a switching node of a data transfer network. The method includes actively managing space allocations in a central queue of a switching node allotted to the ports of the switching node based on the amount of unused space currently available in the central queue. In a further aspect, the method includes separately tracking unallocated space and vacated allocated space, which had been used to buffer packets received by the ports but were vacated since a previous management update due to a packet being removed from the central queue. Each port is offered vacated space that is currently allocated to that port and a quantity of the currently unallocated space in the central queue to distribute to one or more virtual lanes of the port. | 2008-08-28 |
20080205279 | Method, Apparatus and System for Accomplishing the Function of Text-to-Speech Conversion - A method, apparatus and system can accomplish the function of text-to-speech conversion using the H.248 protocol. The method includes defining the H.248 protocol extended packet by the media resource control device to make the H.248 message carry the extended packet parameter which includes the associated information of the text string, indicating the media resource processing device to execute the text-to-speech processing which correspond to the parameter, and the media resource processing device executing the text-to-speech processing based on the above message, and feeding the text-to-speech processing result back to the media resource control device. | 2008-08-28 |
20080205280 | Scheduling system and method in a hierarchical temporal memory based system - According to one aspect of one or more embodiments of the present invention, a system comprises: an HTM network executable at least in part on multiple node processing units (NPUs). In one embodiment the NPUs include one or more nodes, each of which can be executed by its NPU. In one embodiment, the present invention includes a technique for coordinating and scheduling HTM computation across one or more CPUs which (1) enables concurrent computation (2) does not require a central point of control (e.g. a controller entity that “orchestrates” the computation), (3) does not require global synchronization, (4) in some embodiments ensures that the same results are achieved whether the nodes are executed in parallel or serially. | 2008-08-28 |
20080205281 | Scheduling synchronization techniques for wireless networks - Various embodiments are described relating to scheduling synchronization techniques for wireless networks. According to an example embodiment, a technique may include receiving a first bandwidth grant from a first wireless node, estimating a time of receipt for a second bandwidth grant from the first wireless node based on the receiving of the first bandwidth grant from the first wireless node, and issuing a third bandwidth grant to a second wireless node before the estimated time of receipt for the second bandwidth grant from the first wireless node. Other embodiments are provided as well. | 2008-08-28 |
20080205282 | METHOD FOR PROTECTING THE SERVICE FLOW AND A NETWORK DEVICE - A method for protecting the service flow is provided, wherein a back path is preset between the source node and the destination entity, the method includes steps: A, the source node switches the service flow to the backup path and transmits the service flow to the destination entity through the backup path, at the same time, the source node computes a hypo-excellent path by the route algorithm, and compares the hypo-excellent path with the backup path, if the hypo-excellent path is more excellent than the backup path, then implements the step B, if not, ends the program. B, the source node switches the service flow to the hypo-excellent path and transmits the service flow to the destination entity through the hypo-excellent path. A network device implementing the method for protecting the service flow is also provided. The method for protecting the service flow in the invention has the ability that the fast fault restoration. | 2008-08-28 |
20080205283 | COST CONTAINMENT OF MOBILE DATALINK COMMUNICATIONS - A method for transmitting messages over a datalink communication system is disclosed. The method comprises assigning each message a cost index value based on prescribed factors for at least one message transmission attribute of the message and transmitting each message that satisfies a select transmission attribute over at least one mobile communications sub-network associated with a datalink communication system. | 2008-08-28 |
20080205284 | LABEL SWITCHED PATH OAM WRAPPER - Methods and devices for logically segmenting an LSP so that OAM DTUs may be used to determine the performance and/or the status of LSP segments. To segment a previously determined LSP, a dedicated subpath (a logical LSP) within that predetermined LSP is defined between two LSRs that are capable of processing OAM DTUs. The source node (source LSR) establishes a logical LSP between itself and the destination node (destination LSR) using an LDP. In doing this, the logical LSP traverses a specific path and transits through specific nodes in that path. The source node then transmits an OAM DTU or any other specialized DTU to the destination node using a label specifically associated with the logical LSP that was established. The characteristic of the specific path traversed by the logical LSP can thus be determined by when, how, and if the specialized DTU is received by the destination node. | 2008-08-28 |
20080205285 | REMOTE NETWORK ELEMENT TESTING IN A BROADBAND COMMUNICATIONS NETWORK - An apparatus is provided for remotely monitoring and testing network elements using a broadband communications network which may be a digital subscriber line network. One or more network elements may be in communication with a remote terminal device via a network gateway over the broadband communications network. The remote terminal device may be configured for communicating commands for monitoring and testing the network elements and for retrieving graphics responsive to the testing commands, generated by the network elements, via the network gateway over the network interface. The retrieved graphics may then be displayed to a user of the remote terminal device to provide an indication of a status of the tested network elements. The apparatus may further include a communications adapter in communication with the network gateway for enabling voice communications over the broadband communications network with network element sites where the network elements are located. | 2008-08-28 |
20080205286 | Test system using local loop to establish connection to baseboard management control and method therefor - A test system using a local loop to establish connection to baseboard management control is provided. The test system includes more than one host terminals having at least one network interface card (NIC) and at least one baseboard management controller (BMC) having one NIC. After establishing a connection for test between the host terminals and a remote subscriber, a connection for loop test is established with the BMC through a virtual address, so as to deliver a test instruction to the BMC for testing and to loop back a test result. The test system establishes the connection for loop test through the virtual address so as to perform a remote platform test similar to an inner loop test. Therefore, the test result will not be influenced by a network environment setting, and thus a batch test can be adopted to save the test time. | 2008-08-28 |
20080205287 | APPARATUS AND METHOD FOR CONTROLLING THE TRANSFER OF COMMUNICATION TRAFFIC TO MULTIPLE LINKS OF A MULTI-LINK SYSTEM - An apparatus for controlling the transfer of communication traffic to an interface having a group of links comprises a detector for detecting the sizes of data units to be transferred to the interface, and a controller for causing data units to be transferred to the interface, wherein the controller is operative to select the link to which to transfer a data unit based on the detected size. The group of links includes a reference link that is used as an overflow to receive data units when other member links are full, and when the reference link is not used in its overflow capacity, the controller is operative to bias selection of the links to which to transfer data units towards the other links relative to the reference link. | 2008-08-28 |
20080205288 | Concurrent connection testing for computation of NAT timeout period - Concurrent testing of NAT connections using different timeout values to compute a keep-alive value for the NAT device. Computation of the approximate timeout value is accomplished concurrently over multiple test connections within about a time equivalent to the actual NAT timeout value. The architecture validates the computation of the approximate timeout value by distinguishing NAT connection failure from external failure using a control connection. Moreover, computation of the keep-alive value is performed only once for a given NAT device rather than being an on-going process for that NAT device. When one of the test connections fails, it is determined that the NAT timeout value is less than the test timeout value associated with the failed test connection. Accordingly, a smaller test timeout value is then selected as the keep-alive value for keep-alive processing of the NAT device. | 2008-08-28 |
20080205289 | Network and systems management monitoring tool - A method and apparatus for managing networks and devices on the networks. The method may include collecting information pertaining to the infrastructure of a network and devices on the network, and presenting a user interface that provides a view of the network and the devices using the collected information. In one embodiment, the user interface allows to make changes to software settings of the devices. | 2008-08-28 |
20080205290 | Device and method for QoS based cell capacity dimensioning - The invention relates to a method and system for monitoring QoS criteria of Traffic classes of at least one cell in a telecommunication system, comprising means for setting thresholds, means for monitoring the traffic with regard to the thresholds for the at least two different traffic classes, and means for adapting the traffic handling capacity of the monitored cell depending on the monitoring result. The monitored traffic classes preferably include circuit-switched traffic and packet-switched traffic, and/or realtime and non-realtime packet-switched traffic. Thresholds are preferably set and monitored for rate of call attempt blocking, and/or data throughput, and/or service blocking. | 2008-08-28 |
20080205291 | SMART PRE-FETCHING FOR PEER ASSISTED ON-DEMAND MEDIA - A “Media Sharer” operates within peer-to-peer (P2P) networks to provide a dynamic peer-driven system for streaming high quality multimedia content, such as a video-on-demand (VoD) service, to participating peers while minimizing server bandwidth requirements. In general, the Media Sharer provides a peer-assisted framework wherein participating peers assist the server in delivering on-demand media content to other peers. Participating peers cooperate to provide at least the same quality media delivery service as a pure server-client media distribution. However, given this peer cooperation, many more peers can be served with relatively little increase in server bandwidth requirements. Further, each peer limits its assistance to redistributing only portions of the media content that it also receiving. Peer upload bandwidth for redistribution is determined as a function of surplus peer upload capacity and content need of neighboring peers, with earlier arriving peers uploading content to later arriving peers. | 2008-08-28 |
20080205292 | Detection of Asymmetric Network Routes - Route asymmetry is detected in a network by running a route tracing program to trace routes between a first element of the network and a second element of the network. The route tracing program need be run at only a single network element, such as the first network element. Forward and reverse routes between the first and second network elements are identified as asymmetric if performance data from the route tracing program indicates a significant deviation from an expected monotonic characteristic as a function of time-to-live values of respective packets transmitted by the route tracing program. | 2008-08-28 |
20080205293 | Time Scale Separated Network Management and Network Provisioning Optimizations - A communication network is configured to implement time scale separated management and provisioning optimizations, for example, in a core optical network coupled to multiple data networks. Network management optimizations are performed at respective points in time separated by intervals of a first time scale, and network provisioning optimizations are performed at respective points in time separated by intervals of a second time scale, with the intervals of the second time scale being on average substantially longer than the intervals of the first time scale. Moreover, at least a given one of the intervals of the second time scale has a length which is determined based on results of performance of one or more of the network management optimizations. The core optical network maybe configured utilizing information specified by the network management and network provisioning optimizations. | 2008-08-28 |
20080205294 | Synchronisation In A Communications Network - A communications network and corresponding method comprising topology means for detecting the topology of the network means for detecting the timing status of each node and for providing to at least one node of the communications network information on the detected topology of the network and timing status and for selecting a source of timing information on the basis of the information detected. | 2008-08-28 |
20080205295 | Creation of organizational hierarchies in a group-centric network via handshake mechanisms - Exemplary systems and methods for creating organizational hierarchies in a group-centric network are provided. In exemplary embodiments, a request to establish a new group within an organization on the group-centric network is received by the group-centric network host. The group-centric network host then determines if the request if from an authorized individual, such as a leader of a home group representing the organization. If the request is not from an authorized individual, at least one message-based handshake through which one or more relationships of the new group may be activated is performed. | 2008-08-28 |
20080205296 | VLAN-based data packet transmission and ethernet bridge device - The present invention provides a VLAN-based data packet transmission method and an Ethernet bridge device. The method includes: learning a member port corresponding to a VLAN according to a data packet received by an Ethernet bridge device, and storing a correspondence between a VLAN and the learnt member port; and forwarding the data packet by the Ethernet bridge device according to the correspondence between each VLAN and its member port that is stored. In the invention, the storage space of MAC address table of the Ethernet bridge device only needs to meet the requirement on the MAC address of its local user, thus the requirement of the access convergence network on the storage space of the MAC address table of the Ethernet bridge device may be lowered. According to the invention, the correspondence between the VLAN and the member port stored in the Ethernet bridge device is only related to the number of VLANs in the network, regardless of the number of users accessing the network, so that more users can access the access convergence network, which is advantageous for expanding the network. Therefore, the networking cost of the access convergence network can be lowered. | 2008-08-28 |
20080205297 | IP MULTICAST DELIVERY APPARATUS, CONTENT DELIVERY SYSTEM, AND IP MULTICAST DELIVERY METHOD BEING EMPLOYED THEREFOR - The present invention is an IP multicast delivery apparatus for relaying the content, which is delivered from the multicast delivery server with the IP (Internet Protocol) multicast, to the premise apparatus, comprising: managing unit for managing a dependence relation of the content between the multicast groups; and controller for stopping/restarting of transfer of a multicast group based on the dependence relation that is managed by said managing unit. | 2008-08-28 |
20080205298 | POINT TO MULTIPOINT CROSSLINK - A communication network comprises a first central digital subscriber line (DSL) unit having at least one application port and a plurality of DSL ports; a first remote DSL unit having at least one application port and at least one DSL port, wherein the first remote DSL unit is communicatively coupled to the central DSL unit via a first single independent DSL pair having a first EOC channel; and a second remote DSL unit having at least one application port and at least one DSL port, wherein the second remote DSL unit is communicatively coupled to the central DSL unit via a second single independent DSL pair having a second EOC channel; wherein the at least one application port in the central DSL unit is communicatively coupled to an application port in at least one of the first remote DSL unit and the second remote DSL unit. | 2008-08-28 |
20080205299 | CONFIGURATION OF FIBRE CHANNEL SAN PATH - System and computer program product are provided to configure a path between nodes through a fabric in a fibre channel storage area network (SAN). A node name is provided for a target node on the SAN and a port name is provided for each port in the target node. A relationship is established in a data structure between each port name and a slot in which each port is physically located in the target node. Prior to configuring a path between a source node and a port in the target node, the ports which are physically connected and logged in to the fabric are identified by port address. The port names corresponding to the port addresses are then identified. The port names are used to generate interface_ids of the ports corresponding to the physical slots in which the ports are located. A data structure is created to maintain the relationship between interface_ids and port names. To establish a path connection between a port in the source node and a selected port in the target node, the node name of the target node and the interface_id of the selected port are input to the data structure and the port name of the selected port is output. The port name is then used to obtain the address of the selected port and an I/O session path opened between the source and target nodes. | 2008-08-28 |
20080205300 | CHECKING AND REPAIRING A NETWORK CONFIGURATION - Disclosed is a technique for correcting a configuration problem. The configuration problem is detected. It is determined whether there is at least one solution for the configuration problem in a knowledge data store. When it is determined that there is at least one solution in the knowledge data store, automatically selecting a solution to solve the configuration problem. When said solution can be automatically applied, automatically applying said solution. When said solution cannot be automatically applied, notifying a user. | 2008-08-28 |
20080205301 | SYSTEM AND PROGRAM FOR SELECTING ONE OF MULTIPLE PATHS TO COMMUNICATE WITH A DEVICE - Provided are a system, program, and data structure for selecting one of multiple data paths to a device. A selection is made of one of multiple paths indicated as enabled to transmit data. A path is indicated as enabled or disabled. Transfer time data is gathered for each enabled path capable of being selected. Paths having transfer time data satisfying a threshold are indicated as disabled. Paths indicated as disabled are not capable of being selected to use to transmit data. | 2008-08-28 |
20080205302 | Preventing data traffic connectivity between endpoints of a network segment - Various systems and method of preventing data traffic connectivity between endpoints of a network segment are disclosed. One method involves receiving a segment protocol message from a first segment port within a network segment, which includes a plurality of network devices. In response to receipt of the segment protocol message, which can indicate whether connectivity is present between the segment endpoints via the network segment, a second segment port can be operated in a blocked state. Operating the second segment port in the blocked state prevents data plane connectivity via the network segment. | 2008-08-28 |
20080205303 | FRAME TRANSMISSION APPARATUS - An apparatus including a first interface unit configured to perform frame communication processing with a ring network; a second interface unit configured to perform frame communication processing with a different network; a processing unit configured to convert a frame of a first format from the different network to a frame of a second format; a frame switching unit having at least one port connected to each of the first interface unit, the second interface unit and the processing unit and configured to switch the frame between ports; and a table configured to store frame identification information in correspondence with an output destination port identifier for an output port in the frame switching unit and frame conversion requirement information indicating whether conversion to the frame of the second format is required. | 2008-08-28 |
20080205304 | System and Method for Real-Time Communications Over HTTP - A node comprising a processor configured to support full-duplex communications with another node over a half-duplex communications protocol. | 2008-08-28 |
20080205305 | Joint Detection (Jd) Method for Adjacent Cells in Tdd-Cdma System - A method for performing multi-user joint-detection in a neighboring cell in a TDD-CDMA system presets slot types and includes: a network device configuring a slot type of each uplink slot in its administrated cells and a base station of each cell obtaining a slot type of each uplink slot in a neighboring cell from the network device; the network device configuring for each user a slot for transmitting uplink data and a midamble and channelization code to be used according to the slot type of each uplink slot and a service type of each user in each cell; each user in each cell using the configured midamble and channelization code to transmit uplink data in the configured slot; and the base station detecting activated code channels in the neighboring cell according to the received uplink data transmitted by users in the neighboring cell and obtaining midamble used by each user in the neighboring cell according to the channeliazation codes of the activated code channels and according to the slot type of each uplink slot in the neighboring cell so that the base station may perform the multi-user joint-detection in the neighboring cell. | 2008-08-28 |
20080205306 | COMMUNICATION APPARATUS AND CONTROL METHOD THEREOF - There is provided a communication apparatus that includes: a data communication unit which performs half-duplex communication of video frame data with an external device on a video frame-by-video frame basis, a switching unit which switches a transmission direction in which the data communication unit transmits the video frame data, a first control unit which controls the data communication unit to include a start command in the video frame data and send the video frame data, as well as controls the switching unit to switch the transmission direction in response to completion of the sending of the video frame data that includes the start command, and a second control unit which controls the switching unit to switch the transmission direction in response to completion of the reception of the video frame data that includes the start command. | 2008-08-28 |
20080205307 | Transmitting Signals Via at Least Two Hannels Simultaneously - A transmitter ( | 2008-08-28 |
20080205308 | Accurate Control of Transmission Information Ad Hoc Networks - In communication system (SYS) including a first network (IN) with at least a first terminal node (CN), and an ad hoc network (AHN) with at least a second terminal node (RN | 2008-08-28 |
20080205309 | VIRTUAL ADAPTATION LAYER FOR WIRELESS COMMUNICATION - A system for improving communication efficiency in a communication medium. In at least one embodiment of the present invention, communication efficiency in a wireless communication medium may be improved by routing communication packets to destination layers in a wireless protocol stack using a minimal amount of information. Communication packets may be routed by maintaining a set of virtual packet identification indicators for identifying and routing information to an appropriate communication layer, receiving information including a virtual packet identification; and resolving an information type and a communication protocol layer to which the received data should be routed by mapping the virtual packet identification included in the received information with the virtual packet identification indicators. | 2008-08-28 |
20080205310 | COMMUNICATIONS SYSTEM AND PROTOCOL FOR MEDICAL ENVIRONMENT - A communications system and protocol are described for wirelessly interconnecting a pair of bed and wall units that communicate the patient information, including bed exit alerts, from the patient supporting equipment to the hospital nurse call system. A linking procedure is provided for establishing a communications link to interconnect the pair of units, wherein the communications link fails upon detection of a third communications device simultaneously undergoing the link attempt mode. In one embodiment, the system provides for advanced collision detection by monitoring corruption of the end-of-packet byte within the periodic check-in message sequences between the linked units to prevent data corruption and future collisions. To ensure prompt interconnection of units, embodiments of the invention provide for a link reminder to alert the health care provider to initiate the steps for linking the bed and wall units whenever two or more unlinked units are in proximity. | 2008-08-28 |
20080205311 | COMMUNICATIONS SYSTEM AND PROTOCOL FOR MEDICAL ENVIRONMENT - A communications system and protocol are described for wirelessly interconnecting a pair of bed and wall units that communicate the patient information, including bed exit alerts, from the patient supporting equipment to the hospital nurse call system. A linking procedure is provided for establishing a communications link to interconnect the pair of units, wherein the communications link fails upon detection of a third communications device simultaneously undergoing the link attempt mode. In one embodiment, the system provides for advanced collision detection by monitoring corruption of the end-of-packet byte within the periodic check-in message sequences between the linked units to prevent data corruption and future collisions. To ensure prompt interconnection of units, embodiments of the invention provide for a link reminder to alert the health care provider to initiate the steps for linking the bed and wall units whenever two or more unlinked units are in proximity. | 2008-08-28 |
20080205312 | METHOD AND DEVICE FOR ESTABLISHING A SECURE ROUTE IN A WIRELESS NETWORK - A method for establishing a secure route in a wireless network as provided improves network efficiency. According to one aspect, the method includes receiving at a first node in the wireless network a route request message from a second node, where the second node and the first node have not been mutually authenticated. The route request message is then forwarded from the first node to a third node. A route reply message is then received at the first node from the third node. The first node is then mutually authenticated with the second node in response to receiving the route reply message at the first node. | 2008-08-28 |
20080205313 | Route optimization between a mobile router and a correspondent node using reverse routablility network prefix option - In one embodiment, a method includes generating by a mobile router a home test message that includes a prefix option field specifying at least one mobile network prefix claimed to be owned by the mobile router. The method also includes outputting the home test message by the mobile router to a correspondent node via a prescribed home agent assigned to the mobile router, for initiation of a reverse routability test between the mobile router and the correspondent node that verifies the mobile router owns the at least one mobile network prefix. In another embodiment, the home agent is configured for forwarding a route optimization message, for example the home test message, to the correspondent node if the home agent determines that the at least one mobile network prefix is owned by the mobile router. | 2008-08-28 |
20080205314 | Methods And Apparatus For Increasing Data Throughput By Grouping Data Packets Into Maximum Transmissible Units - A mobile communication device has a wireless transceiver and one or more processors for communicating data in a wireless communication system. The one or more processors are operative to receive a plurality of data packets of varying payload size in a queue; associate one or more of the data packets from the queue into a group, such that a total size of the group is at or near a maximum transmissible unit (MTU) size of a data frame; cause the one or more data packets associated into the group to be formatted into the data frame for data transmission via the wireless transceiver; and repeat, for a plurality of data frames, the associating and formatting, for communicating the data via the wireless transceiver in the wireless communication system. By associating the data packets into groups having the MTU size, data throughput of the data transmission is increased. Preferably, the one or more processors are further operative to rearrange an ordered sequence of the data packets from the queue to better achieve the MTU size for each data frame. | 2008-08-28 |
20080205315 | WIRELESS COMMUNICATION METHOD FOR REPLACING WIRELESS DEVICE TO PERFORM WIRELESS COMMUNICATION AFTER RECEIVING CONFIRMATION FROM USER AND IMAGE DEVICE THEREOF - A wireless communication method and an image device thereof are provided. The wireless communication method includes determining whether a second, already connected, wireless device exists, if a need to establish a connection to a first wireless device exists; requesting whether to release the wireless connection to the second device, if the second wireless device, which is already connected, exists; and maintaining or releasing the wireless connection to the second wireless device according to the requesting. The image device includes a communication module which is wirelessly connected with a first wireless device; and a controller which requests whether to release the connection to a second wireless device, if there is a need to establish a connection to the first wireless device and a second wireless device is already connected, and maintains or releases the wireless connection to the second wireless device according to the request. | 2008-08-28 |