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| Number | Title | Issue Date |
| 8184609 | System and method for random access in a wireless communication system The present disclosure relates generally to systems and methods for random access in a wireless communication system. In one example, the method includes allocating first and second random access orthogonal frequency subbands to first and second subdivisions, respec... | 05/22/2012 |
| 8179876 | Multiple modulation technique for use in a communication system A method for receiving an indication to apply a first modulation scheme to modulate one or more segments of a first portion includes determining a first segment set, having at least one segment of the first portion for applying the first modulation scheme. The metho... | 05/15/2012 |
| 8175069 | Method and apparatus of resource management for multimedia broadcast multicast services A method and apparatus of resource management for multimedia broadcast multicast services (MBMS) are disclosed. A wireless transmit/receive unit (WTRU) sends a measurement report and an MBMS reception performance report to a network. Single frequency network (SFN) a... | 05/08/2012 |
| 8175070 | Communication method, and transmitting apparatus and receiving apparatus using that communication method A method for generating a transmission signal to transmit a modulated signal generated using orthogonal frequency division multiplexing, from a transmitting apparatus with a plurality of antennas, toward a plurality of terminals. The method includes assigning transm... | 05/08/2012 |
| 8169993 | Method and apparatus to estimate wireless base station signal quality over the air The quality of the signal from a base station is measured and adjusted for distortion due to multipath and due to signals from neighboring co-channel base stations. The signal quality is measured conventionally by determining Rho or EVM and then Rho or EVM are adjus... | 05/01/2012 |
| 8155099 | Method of operating an event-driven, delay-critical wireless sensor network A method of operating wireless devices includes providing a plurality of sender nodes each having a respective message to wirelessly send to a receiver node. A probability distribution is assigned to a plurality of frequency channels such that a respective probabili... | 04/10/2012 |
| 8155098 | Methods and apparatus for power efficient broadcasting and communication systems Methods and apparatus are disclosed for resource configuration in a cellular broadcasting and communication network, where a video stream can be transmitted from a base station to a mobile station as bursts of video and data frames in a particular sequential manner.... | 04/10/2012 |
| 8149810 | Data rate adaptation in multiple-in-multiple-out systems A transmit data rate adaptation method in a multiple-in-multiple-out (MIMO) system with a first transceiver and a second transceiver. The first transceiver transmits signals to the second transceiver. The second transceiver analyzes channel quality of the received s... | 04/03/2012 |
| 8149811 | Wireless network with simultaneous uplink transmission of independent data from multiple client stations A wireless network including client stations and an access point. A first set of client stations transmit uplink user data during a simultaneous uplink transmission period without sensing channel prior to transmitting the uplink user data. A second set of client sta... | 04/03/2012 |
| 8116293 | Closed-loop rate control for a MIMO communication system In a MIMO system, rate control is achieved with an inner loop that selects rates for data streams sent via a MIMO channel and an outer loop that regulates the operation of the inner loop. For the inner loop, SNR estimates are obtained for each data stream based on r... | 02/14/2012 |
| 8094640 | Full duplex wideband communications system for a local coaxial network Systems and methods are disclosed for a full duplex wideband communications system for a local (e.g. in-home) coaxial network. The system employs a Frequency-division duplex (FDD) scheme that allows identical wideband modems to communicate with each other. To achiev... | 01/10/2012 |
| 8089945 | Communication method, and transmitting apparatus and receiving apparatus using that communication method A method for communicating in a communication apparatus includes receiving an orthogonal frequency division multiplexing (OFDM) signal transmitted from a base station, the OFDM signal including a plurality of carrier groups, each carrier group including a plurality ... | 01/03/2012 |
| 8072959 | Generating method for short training field in IEEE 802.11n communication systems The present invention discloses a generating method for short training field in IEEE 802.11n communication systems, mainly comprising the steps of: storing only a first set of time-domain HT-STF sequences in the memory; and deriving a second set of the time-domain H... | 12/06/2011 |
| 8068475 | Radio base station apparatus and transmission rate notifying method A radio base station apparatus wherein the consumption of transmission power resources in a high-rate packet transmission can be suppressed. In the apparatus, a scheduling part (31) limits the candidates of an upstream line packet transmission rate to part of... | 11/29/2011 |
| 8059628 | Low power multiple channel mixing architecture for detecting wake-up signals and related falsing protection algorithm A low power multiple channel receiver mixing architecture for detecting wake-up signals over multiple communication channels in sniff processing performed in an implantable medical device (IMD). The architecture includes a direct conversion real receiver configured ... | 11/15/2011 |
| 8054816 | Method for hopping frequency of orthogonal-frequency-division-multiplexing symbol Provided is a method for hopping frequencies of an OFDM (orthogonal-frequency-division-multiplexing) symbol, including: receiving an OFDM symbol comprising mapping information as to a type of disposing sub-carriers of the OFDM symbol, a frequency hopping pattern, an... | 11/08/2011 |
| 8054817 | Legacy and new wireless communication device coexisting amble sequence The embodiments generate a new type of amble sequence for a wireless communication network with mixed nodes, by generating a first amble sequence invisible to a first node based upon an existing amble sequence for the first node and generating a second amble sequenc... | 11/08/2011 |
| 8040867 | Method of multi-antenna wireless data emission, emitter and receiver using the method A method and device in the domain of wireless communication, and more specifically coding and decoding schemes useful in the context of MIMO (Multiple Input Multiple Output) or MISO (Multiple Input Single Output) communications especially used in conjunction of OFDM... | 10/18/2011 |
| 8036198 | Method and system for managing communication in an OFDMA system Managing communication in an orthogonal frequency division multiple access (OFDMA) system using segments in an OFDMA frame is accomplished by setting at least a first segment in the OFDMA frame as a high power segment for a plurality of base station in the OFDMA sys... | 10/11/2011 |
| 8027326 | Method and system for high data rate multi-channel WLAN architecture A method and system provides a way to achieve very high data rate expanded bandwidth (wide band) WLAN operations reusing existing single channel radio designs. The system provides a dual-channel form of operation for greater flexibility and performance across multip... | 09/27/2011 |
| 8023488 | Communication method, and transmitting apparatus and receiving apparatus using that communication method A method for use in a communication apparatus that receives an orthogonal frequency division multiplexing (OFDM) signal transmitted from a base station. The OFDM signal includes a plurality of carrier groups each comprising a plurality of carriers, the plurality of ... | 09/20/2011 |
| 8005060 | Beamforming techniques to improve ranging signal detection Ranging code detection techniques are provided. Energy is received at a plurality of antennas of a first wireless communication device and received signals are generated from the received energy. The received energy comprises a ranging transmission from one or more ... | 08/23/2011 |
| 7974257 | Communications system using frame structure for different wireless communications protocols and related methods A communications system may include a first wireless communications device communicating based upon a first wireless communications protocol, a second wireless communications device communicating based upon a second wireless communications protocol different from th... | 07/05/2011 |
| 7974256 | Radio communication system, radio communication apparatus and method A radio communication system for carrying out communications among a plurality of radio communication apparatus pertaining to the radio communication system through a radio network connecting the radio communication apparatus with each other wherein, each of the rad... | 07/05/2011 |
| 7974255 | Method and apparatus for multi-stream transmission with time and frequency diversity in an orthogonal frequency division multiplexing (OFDM) communication system A method and apparatus increase the time and frequency diversity of a multi-stream signal in a DAB system. A plurality of audio streams are divided into four (4) digital sub-streams, C00, C01, C10, and C11. Each sub-stream... | 07/05/2011 |
| 7969957 | Interleave apparatus and interleave method An interleave apparatus and an interleave method for preventing an increase in the number of retransmissions to improve the throughput. In a wireless communication apparatus having the interleave apparatus, a data holding part (1021) two-dimensionally arrange... | 06/28/2011 |
| 7965697 | Apparatus and method for generating signal according to IFDMA, and apparatus for receiving signal A signal generation apparatus and signal receiving apparatus according to an Interleaved Frequency Division Multiple Access scheme is provided. The signal generation apparatus generates a plurality of complex symbols by digital-modulating a plurality of data symbols... | 06/21/2011 |
| 7948960 | Radio transmission device To obtain maximum throughput in accordance with characteristics of a propagation path, a radio transmission device having a plurality of transmitting antennas (18a, 18b) for transmitting a transmission signal in units of sub-carriers by p... | 05/24/2011 |
| 7936742 | Digital signal demultiplexing device and multiplexing device A frequency digital signal demultiplexing apparatus including: demultiplexing filter bank units connected in a multistage manner to form a demultiplexing filter bank, wherein each unit includes at least one filter for filtering an input signal in series with a down-... | 05/03/2011 |
| 7924801 | Apparatus and method for detecting packet in wireless LAN based on orthogonal frequency division multiplexing Provided is an apparatus and method for detecting a packet in a Wireless Local Area Network (WLAN) which can reduce a processing time of packet detection based on Orthogonal Frequency Division Multiplexing (OFDM) by detecting a received packet employing symmetry of ... | 04/12/2011 |
| 7924802 | Wireless communication systems and methods Embodiments of the present invention transmit signals simultaneously over a communication channel at different RF center frequencies, and may use a single power amplifier and antenna. In one embodiment the present invention includes a method of transmitting informat... | 04/12/2011 |
| 7920538 | Spectral reuse transceiver-based aggregation of disjoint, relatively narrow bandwidth (voice) channel segments of radio spectrum for wideband RF communication applications A bandwidth usage control methodology uses the clear channel detection and frequency agile functionality of a spectral reuse transceiver to effectively ‘aggregate’ disjoint user channels into an overall bandwidth, the spectral extent of which is at least suffici... | 04/05/2011 |
| 7916709 | Full duplex wideband communications system for a local coaxial network Systems and methods are disclosed for a full duplex wideband communications system for a local (e.g. in-home) coaxial network. The system employs a Frequency-division duplex (FDD) scheme that allows identical wideband modems to communicate with each other. To achiev... | 03/29/2011 |
| 7907587 | Communication method, and transmitting apparatus and receiving apparatus using that communication method A method for generating a transmission signal to transmit an orthogonal frequency division multiplexing signal, from one antenna or from a plurality of antennas, to a plurality of terminals. Transmission data for the plurality of terminals is assigned to a plurality... | 03/15/2011 |
| 7903626 | Channel qualification and selection in a multichannel radio system by packet error rate measurement In a method for channel qualification and selection, an actual data packet length and a data packet error rate in a received data packet are determined, and are used for a qualification decision. The measured data packet error rate is compared with a previously calc... | 03/08/2011 |
| 7903627 | Method for generating burst in a communication system A method for generating a burst in a communication system. The method includes estimating a first allocable PDU according to scheduling priority; generating a first burst in which the first PDU is to be included; and determining whether a total size of bursts to be ... | 03/08/2011 |
| 7889708 | Supporting hybrid automatic retransmission request in orthogonal frequency division multiplexing access radio access system A method of supporting a hybrid automatic retransmission request (HARQ) in an orthogonal frequency division multiplexing access (OFDMA) radio access system is disclosed. Preferably, the method comprises receiving a downlink data frame comprising a data map informati... | 02/15/2011 |
| 7876739 | Method for resolving collision of uplink signals A method for processing data in a wireless communication system is provided. The method includes receiving a first uplink scheduling command indicating a first radio resource, receiving a second uplink scheduling command indicating a second radio resource through a ... | 01/25/2011 |
| 7864745 | Data transmitting method with hybrid automatic repeat request in multi-carrier system The present invention provides a data transmitting method with hybrid automatic repeat request in multi-carrier system. In this method, the signal-to-noise ratios of respective sub-carriers are compared with a threshold, the data on the sub-carriers having the signa... | 01/04/2011 |
| 7856006 | Mobile communication apparatus, mobile communication system, and power consumption reducing method for use therewith A mobile communication apparatus including a transmission portion which transmits data after varying an amount of data to be transmitted under control of scheduling from at least a base station, including a schedule portion that stops an operation of an unnecessary ... | 12/21/2010 |
