22nd week of 2009 patent applcation highlights part 26 |
Patent application number | Title | Published |
20090135682 | Portable timepiece - A diver's watch includes a timepiece exterior assembly including a movement, a hand setting stem pipe, a crown for operating the movement, and a cover pipe. A locking face is formed at an outer peripheral portion of a case body provided to the timepiece exterior assembly. The hand setting stem pipe is fixed to the case body and includes a pipe side screw portion. The crown includes a crown cylinder inserted to inside of the hand setting stem pipe, and a crown head integral with the crown cylinder. The crown head is formed with a crown side screw portion attachably and detachably screwed to the pipe side screw portion, and an engaging end face brought into contact with and separated from the locking face. The cover pipe is arranged to be more proximate to the crown cylinder than the engaging end face. Thereby, the hand setting stem pipe is covered by the cover pipe and the covered state is maintained regardless of a movement in an axial direction of the crown. | 2009-05-28 |
20090135683 | DRIVE MECHANISM AND OPTICAL HEAD - A drive mechanism according to the present invention includes: a drive body that defines a longitudinal direction; a mover that makes a friction fit with the drive body so as to slide in the longitudinal direction; a base member that supports the drive body so as to allow the drive body to move in the longitudinal direction; a drive element, which is secured to one end of the drive body to vibrate the drive body in the longitudinal direction; and a viscoelastic body, which is arranged between the drive body and the base member in a direction perpendicular to the longitudinal direction. | 2009-05-28 |
20090135684 | Defocus Detection Device, Defocus Detection Method and Optical Disk Unit Using the Same - Defocus detection device and method capable of detecting a defocus accurately during recording of information to an optical disk having a plurality of recording layers and an optical disk unit using the device and method are provided. A temporal restriction is imposed on defocus detection and besides, in comparison with a level for detection of a first change of a focus error signal developing during a defocus, a level for detection of a successively occurring second change of a polarity inverse to that of the first change is made to be smaller. When the first level is exceeded and thereafter the second level is exceeded within a restricted time, a defocus is detected. | 2009-05-28 |
20090135685 | ABERRATION CORRECTING APPARATUS AND PROGRAM FOR CORRECTING ABERRATION - An aberration correcting apparatus is provided, which is capable of suppressing occurrence of abnormal operation in an actuator for a tracking servo by reducing track cross noise caused by astigmatism in a 45-degree direction in which influence is exerted on the tracking servo. | 2009-05-28 |
20090135686 | OFFSET COMPENSATION METHOD FOR LASER POWER CONTROL CIRCUIT - A method for compensating the offset of a laser power control circuit, which predetermines a fixed reference voltage, adjusts the offset voltage by adding the reference voltage, outputs a summed voltage to a pick-up head, tries to ignite the pick-up head, detects the voltage of the pick-up head, checks whether the detected voltage rises to a specific threshold voltage, continues adjusting the offset voltage if the detected voltage has not risen to the specific threshold voltage and records the offset voltage if the detected voltage has risen to the specific threshold voltage, and configures the offset voltage to be the voltage offset compensation for the laser power control circuit, thereby eliminating feature differences of different pick-up heads of the laser power control circuit. | 2009-05-28 |
20090135687 | OPTICAL HEAD, CONTROL METHOD FOR OPTICAL HEAD, AND OPTICAL INFORMATION PROCESSING APPARATUS - An optical head includes a hologram which extracts, from a luminous flux of reflected light from an optical disk, at least a first luminous flux branch which does not include the optical axis of the luminous flux; and a photodetector which receives the reflected light from the optical disk and produces signal output, wherein the photodetector has light-receiving areas which receive the first luminous flux branch of reflected light from an optical information recording medium layer targeted for recording or playback out of the plurality of optical information recording medium layers of the optical disk, the light-receiving areas are placed in such a way that the signal output resulting from a light spot formed by the first luminous flux branch of the reflected light from the optical information recording medium layer targeted for recording or playback is practically the same between the first and second photodetection areas, and a boundary line of the light-receiving areas is located in such a position as not to include light spots formed by luminous fluxes of reflected light from the optical information recording medium layers other than the optical information recording medium layer targeted for recording or playback. | 2009-05-28 |
20090135688 | METHOD AND DEVICE FOR PRINTING ON OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING MEDIUM - A printing method applied to an optical recording medium including a recording/playback functional layer enabling recording or playback by a laser beam, an information recording/playback surface irradiated with the laser beam, and a printing layer separated from the information recording/playback surface by the recording/playback functional layer. Address information used for recording or playback is recorded on the recording/playback functional layer. The printing method detects the address information by irradiating the information recording/playback surface with the laser beam, and carries out printing on the printing layer using the detected address information. | 2009-05-28 |
20090135689 | ERROR RECOVERY STRATEGY FOR BLU-RAY DISCS - The invention relates to an optical recording device utilizing an error recovery strategy method which may be implemented in software code. The error recovery method comprise steps of stopping writing data to an extent upon detection of an error and writing the rest of the extent to another location in a data file on the disc ( | 2009-05-28 |
20090135690 | METHOD OF AND APPRATUS FOR IMMEDIATELY WRITING OR READING FILES ON A DISC-LIKE RECORDING MEDIUM HAVING CONTROL INFORMATION ON DEFECT MANAGEMENT STORED IN A PREDEFINED LOCATION AND SUCH A DISC-LIKE RECODING MEDIUM - A method of recording digital information signals on a removable rewritable disc like recording medium, the method including recording user data on a logical area of the disc and, prior to removal of the disc out of a recording/reproducing apparatus, finalizing the disc with a lead-in and lead-out area comprising predefined medium format data. A general purpose area within the logical area for other use than recording of user data, is being reserved. Such a use may be, for example, defect management. Further, the method involves interrupting recording a lead-in area or a lead-out area at predefined splice points whenever a request for user data is made. | 2009-05-28 |
20090135691 | METHOD OF AND APPARATUS FOR RECORDING DATA ON WRITE-ONCE DISC, METHOD OF AND APPARATUS FOR REPRODUCING DATA FROM WRITE-ONCE DISC, AND WRITE-ONCE DISC THEREFOR - A method and apparatus recording and/or reproducing data on/from a write-once disc, and a write-once disc therefor, the write-once disc having at least one recording layer including: a plurality of update areas in which predetermined updated information is recorded; and at least one access information area in which access information indicating an update area in which final recorded updated information is recorded. Reducing access time for reading the updated information using a location of predetermined updated information. Also, when a plurality of update areas for writing updated information required to use the write-once disc exist, a recording apparatus or a reproducing apparatus can quickly and easily determine an update area in which final updated information is recorded among the plurality of update areas. | 2009-05-28 |
20090135692 | APPARATUS AND METHOD FOR DETERMINING WRITE STRATEGY, AND APPARATUS AND METHOD FOR RECORDING DATA - An apparatus and method for determining an optimal write strategy when recording data onto an optical disk, and an apparatus and method for recording data, the method of determining a write strategy including: recording test data for each size of marks and spaces based on a plurality of write strategies; reproducing the recorded test data; measuring jitter values of the reproduced test data based on the plurality of write strategies; and determining an optimal write strategy according to the measured jitter values. | 2009-05-28 |
20090135693 | Data recovery through eliminating adjacent track interference - A hard disk drive with a disk that contains a target track and an adjacent track. The drive includes a circuit that determines an error in data read from the target track. Data from the adjacent track is stored in memory. The adjacent track is then erased and the target track data is re-read from the target track. Erasing the adjacent track allows the target track data to be read without adjacent track interference. The data from the adjacent track is typically rewritten onto the disk from memory so no data is lost. | 2009-05-28 |
20090135694 | DEVICE AND METHOD FOR DETECTING DISC DEFECT - A method for detecting a typical defect area on a disc track includes the following steps. Firstly, a source signal is provided. Then, first and second signals are generated according to the source signal. The first and second signals are held at the peak level of the source signal and respectively decreased at first and second drop rates. Then, first and second threshold values are subtracted from the first and second signals to generate first and second slice signals, respectively. Afterwards, the source signal is compared with either the first slice signal or the second slice signal. When the first slice signal is larger than the source signal, a typical defect signal is changed from a first level to a second level. Whereas, the typical defect signal is changed from the second level to the first level when the second slice signal is smaller than the source signal. | 2009-05-28 |
20090135695 | Method of detecting an abnormal disc - A method of detecting an abnormal disc is provided. Firstly, an objective lens is moved along a one-way path for enabling the light beam of the objective lens to pass through the data layer of a disc. Next, the path having RF signal is detected and recorded. Then, whether the terminal of the one-way path is reached is determined: if the terminal is not reached, the method continues to move the objective lens; if the terminal is reached, the method calculates the length of vibration path on which RF signal is detected. After that, whether the length of vibration path is larger than a path threshold is determined: if the length of vibration path is not larger than a path threshold, the disc is a normal disc; if the length of vibration path is larger than the path threshold, the disc is an abnormal disc. | 2009-05-28 |
20090135696 | OPTICAL DISC APPARATUS AND SELECTION METHOD FOR EVALUATION METHODS OF RECORDING QUALITY - An optical disc apparatus in which a β method using a β value showing asymmetry of an amplitude of a reproduction signal or a κ method using a modulation degree of the reproduction signal is executed as an evaluation method of evaluating recording quality of data in an optical disc, wherein: the data recorded by a recording power of a different intensity is reproduced; a β value and a jitter value are obtained on the basis of the reproduced data, respectively; the β method is selected as an evaluation method of evaluating the recording quality of the data in the optical disc under such a condition that the obtained β value satisfies a predetermined requirement for the recording power of the different intensity; and a target β value is set on the basis of the obtained jitter value when the β method has been selected. | 2009-05-28 |
20090135697 | METHOD FOR DISTINGUISHING OPTICAL DISCS - The invention is to provide a method for distinguishing optical discs, which first locks a focus on a data layer of an optical disc to cross the grooves and the lands of the optical disc, then starts testing and counting the time for testing, records a detected RF signal, checks if the time for testing reaches a predetermined time, continues locking the focus on the data layer to test if it has not, finds out the maximum intensity of the detected RF signal among the recorded RF signals, and compares the maximum intensity of the detected RF signal with the parameters regarding formats of optical discs previously stored in order to correctly distinguish the optical disc. | 2009-05-28 |
20090135698 | Disk Controller and Storage System - Proposed is a disk controller capable of notifying that a hard disk drive needs to be replaced even when the power of such hard disk drive is turned off. When a controller is to control the supply of electrical power to a disk in the respective disk units, the controller turns off a green LED and turns on a red LED when a disk in a disk group becomes a replacement target disk, turns off the power of the replacement target disk by opening a power switch corresponding to the respective replacement target disks, turns on the disk power source by closing the power switch when the replacement target disk is replaced with a new disk, and recognizes information concerning the new disk. | 2009-05-28 |
20090135699 | OFFSET COMPENSATOR AND OPTICAL DISC DRIVE USING THE SAME - The generation of a pseudo-lock is prevented in a JFB offset compensator whose use has been conventionally limited due to a tendency to generate the pseudo-lock, and performance degradation of a PLL and a Viterbi decoder is suppressed. A means for monitoring an offset of a read signal is provided independently from the JFB offset compensator. With this configuration, the generation or a possibility of the generation of the pseudo-lock can be detected to reset an integrator. In order to reduce the influence of a large sporadic offset triggering the pseudo-lock, there may also be provided a limitter for limiting the absolute value of an offset signal inputted to the integrator or a limitter for limiting the absolute value of an offset compensation signal. | 2009-05-28 |
20090135700 | STORAGE CONTROLLER AND STORAGE CONTROLLER CONTROL METHOD - A storage controller of the present invention makes use of the differences in power rates by time zone and geographic region to control the data storage destination between storage devices of different power consumption. The storage controllers of respective sites each comprise a hard disk and flash memory device, which consume different amounts of power. A schedule manager manages a schedule for controlling the data storage destination utilized by the host. At night, when the power rate is low, data is copied from a hard disk to a flash memory device. In the daytime, when the power rate is high, an access from the host is processed using the data inside the flash memory device. Copying data between remote sites makes it possible to reduce the power costs of the storage system as a whole. | 2009-05-28 |
20090135701 | Optical Pickup Device and Optical Disc Device - [Problem] An objective is to provide an optical pickup device, for recording on or reproducing from optical medias enable to use for the light beams with plural kind of wavelength, in which plural light beams reflected by the optical medium can be detected by a common photo detector. | 2009-05-28 |
20090135702 | OPTICAL RECORDING MEDIUM, OPTICAL RECORDING APPARATUS, OPTICAL RECORDING METHOD, AND OPTICAL REPRODUCING METHOD - The present invention aims to provide an optical recording medium that is provided with a recording layer for recording information by holography, has an uncomplicated laminate structure, is capable of performing recording and reproducing control such as tracking control and is capable of high-density multiple recording, as well as an optical recording method, an optical recording apparatus and an optical reproducing method. To this end, the present invention provides an optical recording medium which is a transmission medium for recording information based on a holographic principle using an information beam and a reference beam and performing tracking control using a servo beam, the medium including at least a first substrate, a recording layer, a filter layer that selectively reflects the servo beam, and a second substrate being disposed in this order as viewed from the light irradiation side of the information beam and the reference beam. | 2009-05-28 |
20090135703 | HOLOGRAPHIC RECORDING MEDIUM - This invention is a holographic recording medium including a track in which position information to specify a recording position and a reproducing position of page data is formed. The position information of the track is formed of position detection patterns. The position detection patterns each including a first detection mark row including center pits arranged at predetermined intervals; and a second detection mark row including side marks arranged at the same intervals as the intervals of the center pits, the side marks having lengths substantially corresponding to integral multiples of the intervals of the center pits. The second detection mark row is arranged adjacent to the first detection mark row such that both ends of the side marks are arranged so as to correspond to the center pits in a track width direction, and page data is recorded and reproduced on the basis of positions of the center pits or positions of the ends of the side marks. | 2009-05-28 |
20090135704 | RETAINING BODY AND THE LIKE - The present invention provides a retaining body and the like which adjust a diffraction state of a laser beam using a simple configuration. | 2009-05-28 |
20090135705 | OPTICAL PICKUP AND OPTICAL DISC DEVICE - An optical pickup for performing recording and/or playback of information by selectively irradiating the corresponding wavelength optical beam to first through third optical discs having a protection layer with different thickness, includes emission units for emitting first-wavelength through third-wavelength optical beams corresponding to the respective optical discs respectively, a condensing optical device for condensing each wavelength optical beam on an optical disc signal recording face, a divergence angle transformation device, which can be moved in the optical axis direction, for transforming the divergence angle of each wavelength optical beam according to the moved position in the optical axis direction so as to obtain a predetermined divergence angle, and a detector having a common light receiving unit for receiving each wavelength optical beam separated by an optical path separating unit and returned, with the condensing optical device condensing each wavelength optical beam on the corresponding optical disc signal recording face appropriately. | 2009-05-28 |
20090135706 | Optical recording medium, and optical recording method and optical recording apparatus thereof - The present invention provides an optical recording medium including a substrate and a recording layer on the substrate having a squarylium metal chelate compound with a central metal. The recording layer includes a mixture of squarylium metal chelate compounds having ligands of the same type as well as metals of two or more types as the central metal. It is preferable that the recording layer includes a squarylium metal chelate compound having a bivalent metal as its central metal and a squarylium metal chelate compound having a metal other than a bivalent metal as its central metal. | 2009-05-28 |
20090135707 | INFORMATION RECORDING DEVICE AND METHOD, COMPUTER PROGRAM AND INFORMATION RECORDING MEDIUM - An information recording/reproducing device ( | 2009-05-28 |
20090135708 | Optical disk system, optical disk recording apparatus, image drawing method and optical disk - The invention provides an optical disk system having at least: an optical disk comprising, on a substrate having pre-pits, an image-recording layer capable of drawing an image by irradiating a laser light; and a reading device which reads information included in the pre-pits by a return light of the laser light when the laser light having a wavelength of in a range of 630 to 680 nm is irradiated to the pre-pit of the optical disk. The pre-pits have a shortest pit length in a range from 0.6 to 0.9 μm being formed on the substrate. The invention further provides an optical disk recording apparatus, an image drawing method and an optical disk which utilize the optical disk system. | 2009-05-28 |
20090135709 | Information recording carrier - Plural grooves or lands formed in an information recording carrier include at least a wobbling region and data is recorded wobblingly in this wobbling region by frequency shift modulation while recorded digitally with a single or multiple waves as a channel bit. | 2009-05-28 |
20090135710 | Information recording carrier - Plural grooves or lands formed in an information recording carrier include at least a wobbling region and data is recorded wobblingly in this wobbling region by frequency shift modulation while recorded digitally with a single or multiple waves as a channel bit. | 2009-05-28 |
20090135711 | INFORMATION READOUT METHOD FOR NON MASK LAYER TYPE OPTICAL INFORMATION MEDIUM - An information readout method for an optical information medium comprising an information recording layer having pits or recorded marks representative of information data involves the step of irradiating a laser beam to the information recording layer through an objective lens for providing readings of the pits or recorded marks. When the laser beam has a wavelength λ of 400 to 410 nm, the objective lens has a numerical aperture NA of 0.70 to 0.85, and the pits or recorded marks have a minimum size P | 2009-05-28 |
20090135712 | SOLID IMMERSION LENS AND FOCUSING LENS, OPTICAL PICKUP DEVICE, AND DATA RECORDING/REPRODUCING APPARATUS USING THE SAME - A solid immersion lens (SIL) is provided. The SIL includes a spherical part, a cone-shaped part, a tip part, and an edge part between the cone-shaped part and the tip part. The edge part includes a curved surface. | 2009-05-28 |
20090135713 | METHOD FOR USING FLEXIBLE BANDWIDTH IN OFDMA-BASED COGNITIVE RADIO SYSTEM, BASE STATION AND SUBSCRIBER STATION USING THE SAME - Provided are a method for using a flexible bandwidth in an orthogonal frequency division multiple access (OFDMA)-based cognitive radio system, and a base station (BS) and a subscriber station using the method. The method includes: allocating a channel band from among unused channel bands having a bandwidth that is a natural number times a bandwidth resolution to customer premises equipment (CPE), wherein the bandwidth resolution is a predetermined bandwidth smaller than a bandwidth of a broadcast channel band, and transmitting an OFDMA-based signal comprising band allocation information indicating information regarding the allocated channel band. | 2009-05-28 |
20090135714 | METHODS AND APPARATUS FOR GENERATING AND PROCESSING TRANSMITTER SIGNALS - Transmitter signals are modulated with one or more codes which may represent a pulse even though the code(s) are not shaped as pulses. The code(s) may be generated by defining a pulse by its Fourier components, and then adding random phases to the Fourier components. A time-domain signal may then be created, which may serve as the code to be modulated on a carrier wave. Upon reflection of the transmitter signal, the received signal may be processed by a receiver to recover the pulse. The time-of-flight of the transmitter signal can then be determined, enabling distance measurements to be made. | 2009-05-28 |
20090135715 | DUPLICATE INTERNET PROTOCOL ADDRESS RESOLUTION IN A FRAGMENTED SWITCH STACK ENVIRONMENT - Embodiments of the present invention provide a novel and non-obvious method, system and computer program product for an Internet protocol (IP) address resolution process during an original switch stack fragmentation, by employing a secondary communication link. A method for IP address resolution of a fragmented switch stack over a secondary communication link (e.g., an I2C bus) can include detecting a first switch stack fragment by a first stack master, detecting a second switch stack fragment by a second stack master, disabling all switches of the first switch stack fragment and the second switch stack fragment, connecting the first stack master and the second stack master to a stack management module via a secondary communication link, and electing one stack fragment to use the IP address of the original switch stack based on at least one election criteria. The method can further include instructing the stack master of the elected one stack fragment to power up the switches of the elected one stack fragment. | 2009-05-28 |
20090135716 | COMMUNICATION AND MESSAGE ROUTE OPTIMIZATION AND MESSAGING IN A MESH NETWORK - A method and system facilitate communications between an unassociated device and a server via a mesh network and a wide area network. The method may include receiving transmissions from candidate proxy devices, wherein each candidate proxy device is associated with a mesh network. The method may include selecting a proxy device from the candidate proxy devices. The method may include communicating with a server via the proxy device and the associated mesh network. | 2009-05-28 |
20090135717 | NETWORK PROTECTION USING NETWORK CODING - A method for protecting against link failures in a communications network having a plurality of paths between senders and receivers is provided. The method includes sending data units by the senders over the communications network on working circuits, applying network coding to form a combination of data units from data units from a plurality of the senders, and sending the combination of data units over the communications network on a backup circuit. If one or more link failures occur in the working circuits resulting in loss of one or more of the data units, then the method further includes recovering the one or more of the data units from the combination of data units transmitted on the backup circuit. The backup circuit used to carry the combination of data units may be implemented in-band with user data or may be implemented as out-of-band backup circuits. | 2009-05-28 |
20090135718 | METHOD FOR RETRANSMISSION IN MOBILE COMMUNICATION SYSTEM - Provided is a method for retransmission in a mobile communication system; and, more particularly, to an integrated operation method of Automatic Retransmission Request (ARQ) and Hybrid Automatic Retransmission Request (HARQ) in a mobile communication system. The method includes the steps of: a) shifting to a 2 | 2009-05-28 |
20090135719 | Method, Program, and System for Transferring Data Between a Number of Terminals that Communicate Via a Common Communication Channel in a Wireless Network, and a Wireless Network - According to this method, each terminal is adapted to cover a coverage area. The method includes a step of sending a request-to-send data signal from a first terminal to a second terminal located in its coverage areas to advise the second terminal that the first terminal is requesting to send it data, and a step of sending a clear-to-send data signal to the first terminal to advise the first terminal that the second terminal is available to receive the data. The method further includes a step of a third terminal that has received the clear-to-send data signal and has not received the request-to-send signal sending a request-to-receive data signal to advise that it is available to receive data. | 2009-05-28 |
20090135720 | METHODS AND APPARATUS RELATED TO SCHEDULING IN A WIRELESS COMMUNICATIONS SYSTEM USING SHARED AIR LINK RESOURCES FOR TRAFFIC - Methods and apparatus related to scheduling decisions of a peer to peer communications device for transmission into traffic intervals are described. A first peer to peer communications device maintains a set of information which allows it to base a scheduling decision for a current traffic interval upon prior performance in a prior traffic interval in which users of other connections were also operating. In some embodiments, the set of information includes a list of device or connection identifiers which the first peer to peer communications device has previously determined to have corresponded to a prior traffic interval in which the first peer to peer device had a low determined data rate. In some embodiments, the set of information includes: (i) a list of device or connection identifiers corresponding to prior traffic intervals and (ii) first peer to peer device data rate information associated with the prior traffic intervals | 2009-05-28 |
20090135721 | Scheduler - The present invention relates to a node and a method in a cellular radio network telecommunication system for assigning resources to users, comprising a network node having resources to be allocated to users being present in a radio cell served by the network node. The invention comprises:—assigning a priority to each user in the radio cell, where a user consuming a larger portion of the resources is assigned a lower priority than a user consuming a lower portion of the resources,—receiving a rate request, requesting a larger transmission rate, from a first user having a first priority. If not sufficient free resources are available to fulfil said first users rate request, the following steps are performed:—selecting a second user having lower priority than said first user,—sending messages to said first and second users indication the scheduled grant, and—transferring resources, assigned to said second user, from said second user to said first user, to thereby decrease the consumed resources for said second user and increase the consumed resources for said first user. | 2009-05-28 |
20090135722 | Reducing packet flooding by a packet switch - Disclosed are, inter alia, methods, apparatus, computer-readable media, mechanisms, and means for reducing packet flooding by a packet switch. A packet switch receives a flood prevention request message from an upstream router, with this message identifying a forwarding media access control (MAC) address and one or more destination MAC addresses of downstream routers. The packet switch looks up, typically in its forwarding data structure(s), these specified MAC addresses of the downstream routers in order to determine its corresponding ports on which to communicate with these MAC addresses. The packet switch updates its forwarding data structures accordingly such that a received multicast packet having as its destination MAC address the received forwarding MAC address will be forwarded out only these determined ports. | 2009-05-28 |
20090135723 | METHODS, SYSTEMS, AND COMPUTER PROGRAM PRODUCTS FOR PERFORMING IP LINK PROVING USING HEARTBEAT MESSAGES - According to one aspect, the subject matter described herein comprises methods, systems, and computer program products for performing IP link proving using heartbeat messages. The method includes transmitting a plurality of heartbeat messages over an IP communications link. A transmission parameter of the plurality of heartbeat messages is varied and a plurality of heartbeat acknowledgement messages corresponding to at least a subset of the plurality of heartbeat messages is received. A measure of processing capabilities of the IP communications link is determined based on the transmission parameters and the heartbeat acknowledgement messages. | 2009-05-28 |
20090135724 | Method and apparatus of RTP control protocol (RTCP) processing in real-time transport protocol (RTP) intermediate systems - Media processing of real-time protocol (RTP) packets used in Voice over Internet Protocol (VoIP) and other time sensitive applications makes efficient use of network resources, e.g., by dropping or changing the size of certain packets, but hinders measuring and reporting end-to-end reception quality. Because media processing changes RTP packets between a sender and receiver, causing a difference between what is sent and received, end-to-end reception quality cannot be measured validly without accounting for these changes. Accordingly, a method and corresponding apparatus are provided to track changes to RTP packets of an RTP session caused by media processing of the RTP packets, modify RTP packet information of the RTP packets based on the tracked changes, correct RTP control protocol (RTCP) packets corresponding to the RTP session based on the tracked changes, the corrected RTCP packets being a measure of the end-to-end reception quality of the RTP session, and report the end-to-end reception quality of the RTP session by forwarding the corrected RTCP packets. | 2009-05-28 |
20090135725 | NETWORK DEVICE VERIFYING APPARATUS - In a reception verifying mode, a data transmitting section ( | 2009-05-28 |
20090135726 | Method and Apparatus for Estimating Collision Probability in a Wireless Network - A method for estimating packet collisions within a wireless network, comprising: for each transmit packet an Access Point (AP) of the network records statistics transmission information; based on this statistical information the AP computes: Total number of slot times generated during this transmission, n; Total number of deferrals, m; and Total number of unsuccessful transmissions, Q s; and using a sequence (m,n,Q) of statistics for each access category (AC), the AP computes the probability of collision for unsuccessful packets, p. | 2009-05-28 |
20090135727 | Anomaly Detection and Diagnosis Using Passive Monitoring - A system and method for determining optimal selection of paths for passively monitoring a communications network. A diagnostic set of paths is determined by ensuring that, for all pairs of links in the network, the set contains one path having only one member of that pair. A detection subset of paths is determined by ensuring that, for all the links in the network, one member of the subset contains that link. Selecting a minimum detection and diagnostic set of paths minimizes the communication overhead imposed by monitoring. During normal operation, only the detection subset need be monitored. Once an anomaly is detected, the system may switch to monitoring the full diagnostic set. The cost of deploying and operating the passive monitoring equipment is minimized by determining the minimum set of links on which a probe needs to be placed in order to monitor the diagnostic set of paths. | 2009-05-28 |
20090135728 | USER DATAGRAM PROTOCOL TRACEROUTE PROBE EXTENSION - The embodiments described herein provide methods and apparatuses for implementing a User Datagram Protocol traceroute probe extension. In an example embodiment, a request to transmit a User Datagram Protocol (UDP) packet to a remote destination is received. A probe header and a probe data element is then stored in a data field of the UDP packet. The UDP packet is then transmitted toward the remote destination. In an example embodiment, a User Datagram Protocol (UDP) packet is received and it is determined whether the UDP packet includes a probe data structure. When the determination is affirmative, the probe data structure is processed. | 2009-05-28 |
20090135729 | Resource Reservation in Network Routing - The present invention relates to network routing and admission control, especially for applications requiring guaranteed quality of service over the Internet. The present invention provides a method of establishing a guaranteed quality of service link over a packet switched network between a source and a destination, the method comprising: determining whether packet traffic from a network node associated with the source to a network node associated with the destination exceeds a predetermined level; signaling an intermediate network node to receive predetermined packets from said source node and forward these to said destination node; forwarding said packets to the intermediate node; the intermediate node receiving said packets and forwarding these to said destination node. | 2009-05-28 |
20090135730 | Detection in Mobile Service Maintenance - Disclosed is a method and system for detecting inconsistencies between a radio communications network and a network database. In one form, measurements from the network are provided by mobile radio terminals. The measurements are then compared with corresponding data on the network database to determine whether there is an inconsistency. The methods described may be used in the management and maintenance of the network. | 2009-05-28 |
20090135731 | DIAGNOSTIC MONITORING BY A WIRELESS DEVICE - Techniques for monitoring radio and network conditions to improve performance for a wireless device are described. A diagnostic monitoring module may receive diagnostic messages from a modem via a diagnostic interface at the wireless device. The module may process (e.g., parse) the diagnostic messages to obtain network status information indicative of the status of a radio network. The module may provide the network status information to an application for use to control communication with the radio network. The module may also process the diagnostic messages to obtain diagnostic information indicative of the performance of a radio connection or a data session or both for the wireless device. The module may send the diagnostic information to a network server for network monitoring, debugging, etc. | 2009-05-28 |
20090135732 | Characterizing Home Wiring Via AD HOC Networking - The invention is a method of measuring the RF losses among home wiring endpoints using battery-powered “remotes” placed at each accessible endpoint in the home. The remotes use a low power, ad hoc networking technology, e.g. Zigbee, Z-wave, to connect to one another over the home wiring, rather than over the air via antennas as in typical applications of these technologies. | 2009-05-28 |
20090135733 | COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND METHOD FOR MONITORING COMMUNICATION QUALITY BETWEEN COMMUNICATION DEVICES - The present invention provides a communication device, communication system, and a method for monitoring the communication quality between communication devices, in which it is ensured that the transmitting side and the receiving side can collect statistical information within the same time period. Its configuration is a method for measuring communication quality between communication devices which perform packet transmission, wherein the transmitting side communication device sends out a marker frame indicating a start and an end of a time period for measuring communication quality in which the time period is constant, and collects statistical information of transmission packets within said measurement time period, wherein the receiving side communication device recognizes the start and end of the measurement time period from the reception time of the marker frame, and collects statistical information of reception packets within the measurement time period, and wherein the communication quality is measured by statistical information of the transmission packets and the reception packets within the measurement time period. | 2009-05-28 |
20090135734 | PACKET FRAGMENTATION PREVENTION - A method of avoiding packet fragmentation. The method includes receiving a data packet belonging to a data connection, determining whether the received data packet was fragmented or determining whether the received data packet is expected to be fragmented on the way to its destination and registering the data connection of the received packet in a list of connections that carried packets that were fragmented or were expected to be fragmented. | 2009-05-28 |
20090135735 | Method and apparatus of RTP control protocol (RTCP) processing in real-time transport protocol (RTP) intermediate systems - Media processing of real-time protocol (RTP) packets used in time sensitive applications makes efficient use of network resources, e.g., by dropping or resizing the packets, but hinders measuring and reporting end-to-end reception quality. Because media processing causes a difference between what is sent and received, end-to-end reception quality cannot be measured validly without accounting for this difference. Accordingly, a method and corresponding apparatus are provided to track changes to RTP packets of an RTP session caused by media processing, modify RTP packet information of the RTP packets based on the tracked changes, correct RTP control protocol (RTCP) packets corresponding to the RTP session based on the tracked changes, the corrected RTCP packets being a measure of the end-to-end reception quality of the RTP session, and report the end-to-end reception quality of the RTP session by forwarding the corrected RTCP packets. Thus, end-to-end reception quality can be validly measured and reported. | 2009-05-28 |
20090135736 | Method of connecting network terminal devices of a private network by using a hand-held electronic device - The present invention is to provide a method applied to a network system which comprises a private network having at least a computer and at least two network terminal devices connecting to the Internet, and said computer is installed with a Fat UA while said hand-held electronic device is installed with a Thin User Agent enabling said hand-held electronic device to send a control command to said computer through the Internet. After said control command is received, said Fat UA encapsulates said control command in two SIP packets for connection request and connection response and send them to said two network terminal devices respectively. And after said SIP packets are received, said network terminal devices will send the SIP packets with each other so as to automatically establish a tunnel and proceed mutual data access therebetween according to said control command encapsulated in said SIP packets. | 2009-05-28 |
20090135737 | Method and Apparatus For Remote Monitoring of FEMTO Radio Base Stations - The present invention describes a method for operation and maintenance of Access Points in a wireless communications network, and a network node and an access point for use in such a network. Access points are used for connecting wireless networks to core networks. The method comprises the step of first receiving, at a network node, an on-demand triggered request for status information, wherein the request includes an access point identity. The network node investigates, using the received access point identity, if the access point is registered within the network. If the access point is registered within the network, then as a first following step, the network node uses the access point identity to retrieving access point address information from storing means. In a second following step, the network node uses the retrieved address information to establish a connection to the access point. Thereafter the network node receives access point status information. As a last step, a response including the access point status information is sent to an end user. | 2009-05-28 |
20090135738 | Method for routing and load balancing in communication networks - The invention concerns a method of configuring the topology of a communication network comprising a plurality of nodes (i, j, . . . , N), said communication network being organized as a forest structure comprising trees and subtrees, wherein at least one node i maintains a periodic timer and an expiration of said timer of said node i triggers the steps of:
| 2009-05-28 |
20090135739 | Network On Chip With Partitions - A network on chip (‘NOC’) that includes integrated processor (‘IP’) blocks, routers, memory communications controllers, and network interface controllers, with each IP block adapted to a router through a memory communications controller and a network interface controller, where each memory communications controller controlling communications between an IP block and memory, and each network interface controller controlling inter-IP block communications through routers, with the network organized into partitions, each partition including at least one IP block, each partition assigned exclusive access to a separate physical memory address space and one or more applications executing on one or more of the partitions. | 2009-05-28 |
20090135740 | Enhanced Application-Layer Multicast for Peer-to-Peer Conferencing - An application-layer multicast-based (ALM-based), peer-to-peer conferencing system is disclosed that leverages the differing capabilities of the participating peer nodes. A conference call can be set up among peer nodes of three different types. A bridging node is capable of mixing individual audio signals that are associated with a call into a composite audio signal and of providing the composite audio signal to another node. A mixing-capable node is capable of mixing the individual audio signals that are associated with a call, but not of relaying those signals to another node. A mixing-incapable node does not support the mixing of individual audio signals. The conferencing architecture of the illustrative embodiment is able to account for the differences between the three types of nodes that are to participate in a conference call, resulting in an optimal allocation of bandwidth and processing resources. | 2009-05-28 |
20090135741 | Regulated voice conferencing with optional distributed speech-to-text recognition - Systems and methods for regulated voice conferencing are provided. A system for regulated voice conferencing includes multiple communication devices connected to a network. The communications devices are operative to receive audio inputs from and deliver audio outputs to users of the devices to conduct a regulated, voice conference using a half-duplex communication mode. Each communication device includes a messenger application and a speech-to-text recognition (STTR) application. The messenger application is operative to capture the audio inputs, encode the audio inputs, and transmit the encoded audio inputs over a network, and to receive encoded audio inputs over the network and convert the received encoded audio inputs to the audio outputs. The STTR application is operative to convert the audio signals into text signals corresponding to the audio signals, to transmit the text signals over the network, and to receive text signals over the network. | 2009-05-28 |
20090135742 | METHOD AND APPARATUS FOR NEGOTIATED MESSAGE DELIVERY - A method of message delivery can include registering a plurality of reception states for a receiving party. The reception states can specify conditions for establishing communications links with receiving party addresses. A receiving party address can be identified from a first initiated communications link between the sending party and the receiving party. Reception state data specified by the plurality of reception states can be determined according to the receiving party address and can be presented to the sending party. | 2009-05-28 |
20090135743 | METHOD FOR THE CONDITIONAL SETTING-UP OF A TELECOMMUNICATION CONFERENCE SESSION, TELECOMMUNICATION CONFERENCE ARRANGEMENT AND TELECOMMUNICATION CONFERENCE SESSION SERVER - In a method for the conditional setting-up of a telecommunication conference session with a multiplicity of telecommunication conference session user terminals, wherein a group of user terminals having at least one telecommunication conference session user terminal is identified by means of a telecommunication conference session user group identification, a predefined telecommunication conference session set-up condition is checked by involving two telecommunication conference session servers. A first telecommunication conference session server receives an enquiry for the conditional setting-up of a telecommunication conference session and a second telecommunication conference session server determines condition-related information for checking the predefined telecommunication conference session set-up condition. | 2009-05-28 |
20090135744 | OPPORTUNISTIC SPECTRUM SENSING OPTIMIZATION FOR A COMMUNICATION SYSTEM - A combination of subscriber clustering and link interleaving provides a cognitive radio system (CR) | 2009-05-28 |
20090135745 | DIRECTIONAL ANTENNA CONFIGURATION FOR TDD REPEATER - A wireless communication node, such as a repeater, including a frequency translating repeater, a physical layer (PHY) repeater, time divisional duplex repeater (TDD) and the like, is configured with a pair of directional patch antennae and an omni-directional antenna. The patch antennae can be selected depending on the orientation of the repeater package to communicate with a station such as an access point or a base station. The omni-directional antenna can be directed toward another station such as a client. The patch antennae and the omni-directional antenna can be orthogonally polarized to increase isolation and reduce electromagnetic coupling. Multiple antennae can be used in multiple-input-multiple-output (MIMO) configurations. | 2009-05-28 |
20090135746 | SYSTEM AND METHOD FOR COMMUNICATING OVER A WIRELES TIME-DIVISION DUPLEX CHANNEL - According to the present invention, the bandwidth of a TDD channel is increased where multiple slave devices communicate with a master device over the channel. According to an aspect of the present invention, the master device can increase channel bandwidth by utilizing available transmit slots that occur during receipt of a multi-slot packet from a slave device. For example, the master device receives a first packet at a first frequency from a first slave via the channel. The master determines whether the first packet is a multi-slot packet, and if so, transmits a second packet to a second slave via the channel at a second frequency different from the first frequency. The second packet is transmitted after receipt of the first packet, but prior to the end of the first packet. | 2009-05-28 |
20090135747 | RADIO PROTOCOL FOR MOBILE COMMUNICATION SYSTEM AND METHOD - Radio protocol for a next generation mobile communication system is disclosed including a radio link control layer for connecting to an upper layer through a service access point provided in advance and for connecting to a lower layer through a plurality of logic channels provided in advance. The radio link control layer includes at least one radio link control entity for transmission/reception of data to/from up-link or down-link according to a form of a data transmission mode. | 2009-05-28 |
20090135748 | Adaptive Scheduling for Half-Duplex Wireless Terminals - Adaptation is introduced into allocation of uplink and downlink subframes in wireless communication systems that support full-duplex and half-duplex mobile terminals, thus reducing interference between mobile terminals. In an exemplary method for allocating uplink and downlink timeslots in a wireless communication system supporting full-duplex and half-duplex mobile terminals, a base station determines that a mobile terminal is capable of only half-duplex operation and allocates one or more uplink subframes and one or more downlink subframes to the first mobile terminal, for each of a plurality of frames, so that none of the allocated uplink subframes overlaps in time with an allocated downlink subframe. The allocation of uplink subframes and downlink subframes is varied between consecutive ones in at least a first series of frames according to a pre-determined pattern. In some embodiments, the method further includes transmitting an allocation message to the first mobile terminal, designating the pre-determined pattern. | 2009-05-28 |
20090135749 | Multiple network connections - The invention provides a method, an apparatus, and a computer program for supporting multiple connections to a network or a plurality of networks. Support for multiple connections is enabled by establishing a connection of a first type to a network, receiving a request for a connection of the first type, registering a virtual connection as a response to receiving said request, receiving a request for establishing a connection of a second type through the virtual connection, associating the virtual connection with the connection of the first type, and establishing the connection of the second type through the connection of the first type. | 2009-05-28 |
20090135750 | System and Method for Message Consolidation in a Mesh Network - A system and method for consolidating messages in a network comprising an access node coupled to a computer and a plurality of radio nodes coupled to sensing devices, such as a utility meter, is disclosed. Inbound message consolidation includes a radio node receiving two or more inbound messages that are consolidated. The radio node wirelessly transmits the consolidated message to a radio node logically closer to the access node or directly to the access node if the access node is within the transmission range of the radio node. The access node extracts the individual messages from the consolidated message upon receipt. For outbound messages, the access node consolidates original messages having common routes and transmits the consolidated message to a last node in the common route. The last node in the common route splits the consolidated message into the original messages and transmits each one to a destination radio node. | 2009-05-28 |
20090135751 | Low Power Operation of Networked Devices - Methods of reducing power consumption of networked devices are described. When a main processor and associated hardware in a computing device is powered down, a processing element, with lower power consumption than the main processor, performs networking functions on behalf of the main processor. The processing element monitors events and wakes the main processor when defined criteria are satisfied. In an embodiment, these network functions may be to maintain existing network connections and/or establish new network connections and the defined criteria may relate to messages received by the device which are analyzed by the processing element running the application layer code and these criteria may be configurable by a user of the device. | 2009-05-28 |
20090135752 | A WIRELESSS COMMUNICATION DEVICE AND METHOD - A wireless communication device ( | 2009-05-28 |
20090135753 | POWER-CONSERVING NETWORK DEVICE FOR ADVANCED METERING INFRASTRUCTURE - A method and system may provide supporting reduced functionality devices in an AMI system. The method may include receiving at least one transmission from at least one candidate router, the transmission including candidate router information. The method may include selecting a router from the at least one candidate router. The method may include associating with a mesh gate by sending a device identifier to the mesh gate via the selected router. The method may include initiating a sleep cycle. The method may include receiving a held message from the router after waking up from the sleep cycle, wherein the held message is received by the router during the sleep cycle. | 2009-05-28 |
20090135754 | INTERFERENCE MANAGEMENT IN A WIRELESS COMMUNICATION SYSTEM USING OVERHEAD CHANNEL POWER CONTROL - Interference that occurs during wireless communication may be managed by reducing the power level of an overhead channel during a call. A method, apparatus and medium of communication determine an optimized reduced power level for an overhead channel of an unplanned access point to an associated access terminal during a call therebetween. The overhead channel is transmitted according to the optimized reduced power level resulting in a decrease in interference as seen by neighboring unplanned access points. | 2009-05-28 |
20090135755 | Layer-1 signaling of traffic indication for power saving class of type I in WiMAX - Disclosed herein are apparatus, method, and computer program whereby a mobile station receives an indication from a base station in a physical layer field and interprets the indication for use in at least a power management function. | 2009-05-28 |
20090135756 | Combined simulcasting and dedicated services in a wireless communication system - An efficient method for providing both dedicated and simulcast services over a common wireless infrastructure is described. The services can be available to a single terminal as well as to a multiplicity of terminals simultaneously. The method uses time division multiplexing and orthogonal frequency division multiple access for simulcasting information and transmitting dedicated message information from a plurality of base stations forming a cellular pattern over the same wireless frequency channel. The method comprises the steps of constructing frames for transmission by the plurality of base stations comprising control information, simulcast information and dedicated message information within predetermined time slots of the frames and allocating the simulcast information and the dedicated message information to time slots of the same frame predetermined by the control information of the frame. The underlying modulation technology used is OFDM and thereby the channel delay-dispersion is minimized. | 2009-05-28 |
20090135757 | METHOD AND SYSTEM OF WIRELESSLY RETRIEVING LOST CONTENT SEGMENTS OF BROADCASTED PROGRAMMING AT A MOBILE USER DEVICE FROM ANOTHER MOBILE DEVICE - A method and system includes a network having a plurality of nodes including a first mobile user device at a first node. The network also includes a second node. The system also includes a first mobile user device storing content in a memory, determining a lost content segment exists, generating a request for the lost content segment at the first mobile user device, communicating the request for the lost content to a second node of the network, receiving the lost segment from the second node and storing the lost content segment in the memory of the user device. | 2009-05-28 |
20090135758 | Method for discovering neighbor networks in mobile station and network system for enabling the method - The present invention relates to a wireless network, and more particularly, a method (*“and system”?*) which a mobile station discovers a neighbor network in an Internet protocol based wireless network, a network management server for enabling the method, and a method of operating the network management server. A network management server of a wireless network system, the server including: a neighborhood (NH) database maintaining configuration information with respect to at least one neighbor network; a communication interface receiving a request message for capability/configuration information of the neighbor network from a mobile station which is connected via a predetermined access point or a base station; and a database management unit extracting the capability/configuration information of the neighbor network which is included in the request message by referring to the neighborhood database, and controlling a reply message including the capability/configuration information to be transmitted to the mobile station via the communication interface. | 2009-05-28 |
20090135759 | RADIO COMMUNICATION TERMINAL AND NETWORK SIDE COMMUNICATION APPARATUS - A technology is disclosed for achieving fast and reliable handover. According to this technology, in the network composition where a network coverage area of the cellular base station | 2009-05-28 |
20090135760 | MULTIMODE WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD - A multimode wireless communication apparatus that supports plural wireless communication systems and switches wireless communication systems to communicate. The apparatus includes a signal processor capable of switching wireless communication systems by plural manners; and a controller that directs to the signal processor a combination of manners of switching wireless communication systems according to a communication environment. The signal processor switches wireless communication systems according to the combination of manners of switching wireless communication systems directed from the controller. | 2009-05-28 |
20090135761 | PREAMBLE DESIGN FOR A WIRELESS SIGNAL - Providing for base station (BS) acquisition in semi-planned or unplanned wireless access networks is described herein. By way of example, a signal preamble can be dynamically allocated to wireless signal resources, such that the preamble is scheduled to different resource(s) across different cycles of the signal. Dynamic allocation can be pseudo-random, based on collision feedback, or determined by a suitable algorithm to mitigate collisions from a dominant interferer. In addition, dynamic scheduling can be particular to a type of BS to significantly reduce collisions from BSs of disparate types. In at least one aspect, a preamble resource can be sub-divided into multiple frequency sub-carrier tiles. Control channel information can be transmitted on each tile of a group of such tiles, further mitigating effects of a dominant interferer on a subset of the tile group. | 2009-05-28 |
20090135762 | POINT-TO-POINT COMMUNICATION WITHIN A MESH NETWORK - A method and system provide receiving communications via either a short address or a long address. The method may include, responsive to receiving a packet, parsing a packet header. The method may include computing a response to the packet. The method may include, responsive to determining the packet includes a short address addressee, transmitting the response via a mesh network. The method may include, responsive to determining the packet includes a long address addressee, transmitting the response via a point-to-point protocol. | 2009-05-28 |
20090135763 | BASE STATION - The present invention can be achieved by a base station in which a terminal is accommodated and the terminal is communicated with another terminal, and which includes: a data rate operation/management unit which operates and stores a time-averaged data rate Rave of the terminal; a threshold value operation/management unit which obtains a current communication data rate R of the terminal to operate and store R/Rave; and a delay management unit which controls to reduce delay on the basis of the R/Rave. | 2009-05-28 |
20090135764 | ROUTING METHOD AND SYSTEM FOR MOBILE AD-HOC NETWORK - A routing method and system for a mobile ad-hoc network is provided for efficiently routing a packet by quickly updating topology information shared by nodes adaptively to variation of the network topology while minimizing generation of redundant traffic. The routing method includes setting, at each current node, a self-potential value to a destination node upon receiving a route recovery request; and transmitting, when a transmission packet is destined to the destination node, the packet through a route established with at least one node in a descending order of potential value. The present invention reduces the redundant traffic dramatically, thereby improving the entire network throughput. | 2009-05-28 |
20090135765 | WIRELESS ROUTER SYSTEM AND METHOD - A wireless router employing a technique to couple a plurality a host services or host systems and a plurality of wireless networks. A method to route data items between a plurality of mobile devices and a plurality of host systems through a common wireless router. A point-to-point communication connection is preferably established between a first host system and a common wireless router, a mobile network message at a mobile device is generated, the mobile network message is transmitted via a wireless network to the common wireless router which in turn routes a data item component of the mobile network message to the appropriate host service. | 2009-05-28 |
20090135766 | METHOD OF IMPLEMENTING PACKET-BASED RESOURCE ALLOCATION AND PERSISTENT RESOURCE ALLOCATION IN A WIRELESS COMMUNICATION SYSTEM - The present invention provides a method of allocating resources in a wireless communication system. The method includes requesting persistent allocation of resources for a data spurt in response to detecting the beginning of the data spurt and performing non-persistent resource allocation for at least one packet in the data spurt. The non-persistent resource allocation is performed in response to determining that persistent resources are not available for allocation. The method also includes transmitting the packet using the allocated non-persistent resources. | 2009-05-28 |
20090135767 | SPECTRUM COORDINATION CONTROLLER - A method, wireless controller, and information processing system that define communication channel allocation. Communication channel allocation commands associated with a first network are monitored ( | 2009-05-28 |
20090135768 | METHOD AND APPARATUS FOR PROCESSING SIMULTANEOUS ASSIGNMENT IN WIRELESS COMMUNICATION SYSTEMS - A method and apparatus for processing simultaneous assignment, the method comprising receiving multiple Forward Link Assignment Blocks (FLABs), determining if ChIDs are set to ChID | 2009-05-28 |
20090135769 | ENHANCED UPLINK FOR INACTIVE STATE IN A WIRELESS COMMUNICATION SYSTEM - Techniques for supporting operation with enhanced uplink in inactive state are described. A user equipment (UE) may send an access preamble for random access while in an inactive state and may receive a message containing resources allocated to the UE. The allocated resources may be selected by a Node B from a pool of resources pre-allocated to the Node B for the enhanced uplink. The UE may send information (e.g., scheduling information and/or its UE identity) to the Node B using the allocated resources. The UE may receive an acknowledgement addressed to the UE based on the UE identity. The UE may remain in the inactive state and continue to use the allocated resources until they are de-allocated. Alternatively, the UE may transition to an active state and either continue to use the allocated resources or receive an allocation of new resources for the active state. | 2009-05-28 |
20090135770 | METHOD FOR ALLOCATING SPATIAL RADIO RESOURCE IN COMMUNICATION SYSTEM - A method for allocating a spatial radio resource in a communication system includes: determining a threshold according to at least a parameter of the communication system; determining whether at least one wireless communication apparatus in the communication system is a candidate being capable of utilizing the spatial radio resource according to the threshold; scheduling priorities for a plurality of wireless communication apparatuses each being the candidate; and allocating the spatial radio resource according to the priorities of the wireless communication apparatuses each being the candidate. | 2009-05-28 |
20090135771 | MANAGEMENT AND SETUP OF ENHANCED MAC-E/ES RESOURCES IN CELL-FACH STATE - A method and apparatus are disclosed to manage the enhanced medium access control-e (MAC-e) and enhanced MAC-es resources and respective variables for the enhanced dedicated channel (E-DCH) in the enhanced Cell_FACH state. Due to the nature of the E-DCH transmission in the uplink (UL) in the Cell_FACH state and the fact that a wireless transmit/receive unit (WTRU) might set up and release the E-DCH resources more frequently, methods to deal with the TSN numbering are described. | 2009-05-28 |
20090135772 | METHOD AND APPARATUS FOR ALLOCATING CHANNEL TIME IN WIRELESS PERSONAL AREA NETWORK - Provided is a method of allocating a channel time in a wireless personal area network (WPAN). In a WPAN where a parent piconet and at least one child piconet coexist, the method includes receiving a request frame transmitted from at least one of a plurality of child piconnet coordinators (PNCs) in order to request channel time allocation for data transmission, according to a common mode that is a PHY transmission mode commonly supported by a parent PNC and the child PNCs; and transmitting a beacon frame including channel time allocation information corresponding to the request frame to all the child PNCs of the WPAN. | 2009-05-28 |
20090135773 | MEASUREMENT REPORTING FOR TRANSMISSIONS SUPPORTING LATENCY REDUCTION - A method for accounting for the presence of a piggybacked acknowledgement/negative acknowledgement (PAN) field in reporting a received signal quality for a current wireless transmit/receive unit (WTRU) is disclosed. A determination is made whether a received radio block is intended for the current WTRU. The received signal quality of the radio block is measured if the radio block is intended for the current WTRU. Bits from the PAN field are included in determining the received signal quality of the radio block based on a preconfigured option. The radio block measurement is included in a measurement report if a data header of the radio block is not addressed to the current WTRU but the PAN field is addressed to the current WTRU. | 2009-05-28 |
20090135774 | APPARATUS AND METHOD FOR TRANSMITTING VOICE PACKET IN WIRELESS COMMUNICATION NETWORK - An apparatus and method for transmitting a voice packet in a wireless communication network are provided. The method includes generating voice data of a fixed length, which includes a voice packet having a length that is determined according to a rate of the voice packet, and a Forward Error Correction (FEC) code, and transmitting the generated voice data through a fixed resource. | 2009-05-28 |
20090135775 | Method for Enhancing RRC Procedure Re-initiation Efficiency in a Wireless Communications System and Related Apparatus - A method for enhancing efficiency of RRC (Radio Resource Control) procedure re-initiation for a user equipment (UE) in a wireless communication system is provided. The UE includes a plurality of RRC procedures, which are started with a random access preamble procedure. The method includes initiating an RRC procedure of the plurality of RRC procedures, initiating the random access preamble procedure corresponding to the initiated RRC procedure, transmitting an RRC request message corresponding to the initiated RRC procedure after completion of the random access preamble procedure e, and re-initiating the random access preamble procedure when receiving a contention resolution message which corresponds to the random access preamble procedure, but does not belong to the initiated RRC procedure. | 2009-05-28 |
20090135776 | COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, AND METHOD AND PROGRAM FOR JUDGING RESERVATION ACCEPTANCE - A communication apparatus of the present invention is a communication apparatus which accepts a resource reservation, and includes at least a resource reservation acceptance judging portion for accepting a resource reservation request from a communication apparatus which performs a resource reservation. The resource reservation acceptance judging portion performs acceptance of a reservation based on a resource use probability obtained from a resource reservation state and a resource use state of an own communication apparatus of at least one of the communication apparatuses which perform resource reservations. | 2009-05-28 |
20090135777 | HIGH PERFORMANCE SCHEDULING METHODS AND APPARATUS FOR LEVERAGING DIVERSITY IN RELAY-ENABLED WIRELESS NETWORKS - Apparatus and methods are described for scheduling transmission resources in a relay-enabled orthogonal frequency-division multiple access (OFDMA) wireless communications system. Schedulers are described which address the problem of determining the optimal transmission schedule across two hops in the presence of finite user buffers with methods that provide approximate solutions with worst-case performance guarantees and average-case performance that is close to the optimal. The solutions formulate the diversity scheduling problem as an integer program. The weights used in the formulation incorporate the various diversity gains. The integer program is relaxed to a linear program and solved. The resulting fractional solutions are then rounded to integral values. In the process, if buffer or channel feasibility is violated, such violations are addressed through appropriate mechanisms that provide performance guarantees. The relay hop fractional variables are rounded to integral values first. Then the access hop flow is updated based on the rounded relay hop flow. Finally, the access hop variables are rounded to integral values to provide the resulting flow schedule. | 2009-05-28 |
20090135778 | Method and apparatus for scheduling in cellular system using cable relay station - A method for scheduling in a cellular system using a relay station (RS) through an inter-antenna cooperative transmission technology based on pre-cooperation information according to each channel in a cellular system using a cable RS in order to increase the throughput of the entire system. The steps include classifying all mobile stations (MSs) in a corresponding cell based into Cooperative Transmission (CT) MSs for cooperative transmission and Single Transmission (ST) MSs for to each channel; mapping channel-by-channel channel capacities of the CT MSs and ST MSs classified according to each channel, selecting a channel with a highest priority, and receiving a request message from a corresponding MS according to whether the capacity of the selected channel satisfies preset CT criteria and selecting an MS having a metric value of a highest priority according to a corresponding scheduling algorithm, from among multiple requesting MSs. | 2009-05-28 |
20090135779 | APPARATUS AND METHOD FOR CIRCUIT MODE RESOURCE ALLOCATION IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - A broadband wireless communication system using a fixed allocation scheme is provided. The system includes a controller for configuring change report information to report occurrences of resource release or change when resources are released or changed in a fixed allocation region, a generator for generating a fixed allocation Information Element (IE) including the change report information and history information regarding the resource release or change, and a transmitter for transmitting the fixed allocation IE. | 2009-05-28 |
20090135780 | PREEMPTIVE DYNAMIC FREQUENCY SELECTION - Briefly, in accordance with one embodiment of the invention, an access point may preemptively broadcast an alternate channel to switch to, along with an indication of the beacon timing for the alternate channel, prior to any catastrophic interference. The access point may switch to the alternate channel in the event of interference on the original channel without attempting to broadcast the alternate channel during the interference event. A mobile user may then know in advance of the interference event which alternate channel the access point switched to and may switch to the alternate channel. | 2009-05-28 |
20090135781 | METHOD AND ARRANGEMENT FOR TRANSMITTING AND RECEIVING RF SIGNALS THROUGH VARIOUS RADIO INTERFACES OF COMMUNICATION SYSTEMS - A method and arrangement for transmitting and receiving RF signals, associated with different radio interfaces of communication systems, employ a direct conversion based transceiver which substantially comprises one receive signal branch and one transmit signal branch. Mixing frequencies of the different systems are generated by a single common by use of an output frequency divider in combination with the synthesizer, and by use of filtering corresponding to a system channel bandwith by means of a controllable low-pass filter operating at baseband frequency. | 2009-05-28 |