Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
05/2009
05/27/2009CN100492930C Spread spectrum communication device and spread spectrum communication method
05/27/2009CN100492929C Pass retrieval circuit using directional wave beam, wireless receiving device and wireless transmitting device
05/27/2009CN100492925C Variable type antenna matching circuit
05/27/2009CN100492921C Receiver and method for receiving radio signal
05/27/2009CN100492803C Method and an apparatus for storing and communicating battery information
05/26/2009USRE40715 Method and means for allocating time slots in a TDD system
05/26/2009US7539551 Portable terminal unit and sound reproducing system using at least one portable terminal unit
05/26/2009US7539524 Mobile communication device with rotating member
05/26/2009US7539516 Wireless base station apparatus
05/26/2009US7539515 Method and arrangement relating to communications network
05/26/2009US7539509 Small signal threshold and proportional gain distributed digital communications
05/26/2009US7539508 Reducing idle power consumption in a networked battery operated device
05/26/2009US7539507 Peer-to-peer communications
05/26/2009US7539506 Method of controlling power of wireless access node in a wireless LAN system
05/26/2009US7539505 Method of performing a dynamic push-to-talk service
05/26/2009US7539503 Controller device, mobile terminal and mobile communication method
05/26/2009US7539499 Method and system for managing wireless bandwidth resources
05/26/2009US7539468 Communication terminal device and amplification circuit
05/26/2009US7539465 Tuning an RFID reader with electronic switches
05/26/2009US7539463 Techniques to enhance diversity for a wireless system
05/26/2009US7539461 Radio apparatus, and method and program for controlling spatial path
05/26/2009US7539460 Method and tester for determining an error rate of a mobile-telephone device, especially for USF-BLER
05/26/2009US7539457 Method and apparatus for communicating with seven or more terminals efficiently in bluetooth system
05/26/2009US7539456 Spread spectrum communication system using a quasi-geostationary satellite
05/26/2009US7539274 Weight generation method for multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining
05/26/2009US7539273 Method for separating interfering signals and computing arrival angles
05/26/2009US7539264 Apparatus and method for transmitting/receiving a pilot sequence in a mobile communication system using space-time trellis code
05/26/2009US7539263 Method for transmitting and receiving preamble sequences in an orthogonal frequency division multiplexing communication system using a multiple input multiple output scheme
05/26/2009US7539262 Method and apparatus for performing chip level equalization using joint processing
05/26/2009US7539261 Multi-layer coded modulation for non-ergodic block fading channels
05/26/2009US7539260 Detecting the number of transmit antennas in wireless communication systems
05/26/2009US7539259 OFDM channel estimation and tracking for multiple transmit antennas
05/26/2009US7539238 Extended algorithm data estimator
05/26/2009US7539217 Multi-carrier signal transmitter and multi-carrier signal receiver
05/26/2009US7539212 Method and apparatus for MAC layer inverse multiplexing in a third generation radio access network
05/26/2009US7539207 Method and base station for controlling link adaptation and packet scheduling in high speed downlink packet access (HSDPA) radio system
05/26/2009US7539197 Apparatus and method for moving a receive window in a radio access network
05/26/2009US7539173 Radio communication system, radio terminal, base station, control equipment and communication method
05/26/2009US7539172 System and method for data scrambling to reduce the crest factor in an OFDM waveform
05/26/2009US7539171 Packet data serving node initiated updates for a mobile communication system
05/26/2009US7539168 Emergency call handling in contention-based wireless local-area networks
05/26/2009US7539167 Spread spectrum receiver and method for carrier frequency offset compensation in such a spread spectrum receiver
05/26/2009US7539166 Channel estimator, demodulator, speed estimator and method thereof
05/26/2009US7539165 Method and apparatus for distributed signaling for uplink rate control
05/26/2009US7539157 Communication system and transmission power control method
05/26/2009US7539149 Apparatus and method for placing power control data in a transmission signal
05/26/2009US7539126 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system
05/26/2009US7539123 Subcarrier puncturing in communication systems
05/26/2009US7539085 Wireless synchronous time system
05/26/2009US7538623 Phase locked loop modulator calibration techniques
05/26/2009US7538621 Broadband integrated tuner
05/26/2009CA2498146C Detection of impulse noise using unused spreading codes
05/26/2009CA2369959C Interleaver and deinterleaver for use in a diversity transmission communication system
05/22/2009WO2009064968A1 Tuning matching circuits for transmitter and receiver bands as a function of transmitter metrics
05/22/2009WO2009064562A2 Spatial separation in a relay communication system
05/22/2009WO2009064553A1 A base station for a cellular communication system and a method of operation therefor
05/22/2009WO2009064135A2 Method and apparatus for allocating and managing cqich
05/22/2009WO2009064109A2 Method for random access based on priority
05/22/2009WO2009064108A2 Method for transmitting signal in multiple antenna system
05/22/2009WO2009064091A2 Apparatus and method for multicast and broadcast service in a broadband wireless access system
05/22/2009WO2009064089A1 Mobile repeating method in mobile communication system and repeater thereof
05/22/2009WO2009064064A1 Apparatus for and method of transmitting sensing data of sensor node for proactive data filtering in wireless sensor network
05/22/2009WO2009064043A1 Signal transmission method of ctc for satellite mobile communication system which simultaneously supports broadcast service and communication service and the ctc
05/22/2009WO2009063615A1 Wireless communication control device
05/22/2009WO2009063587A1 Portable wireless device
05/22/2009WO2009063537A1 Radio relay device, radio relay vehicle, and radio relay method
05/22/2009WO2009063342A2 Method, apparatus and computer readable medium providing power allocation for beamforming with minimum bler in an mimo-ofdm system
05/22/2009WO2009062909A1 Reduced feedback dynamic codebook transmission method for multi-antenna systems
05/22/2009WO2009062630A1 Improved alamouti encoding and decoding
05/22/2009WO2009062428A1 A method, system and device for detecting uplink interference source
05/22/2009WO2009062400A1 Method and apparatus of multiple input multiple output mode adaptive switch
05/22/2009WO2009062388A1 Method and apparatus for transmitting data information
05/22/2009WO2009045681A3 Techniques for reducing a cell identification falsing rate in a wireless communication system
05/22/2009WO2009045078A3 Method of performing cell reselection in wireless communication system
05/22/2009WO2009045074A3 Method and apparatus for adjusting uplink data rate in a mobile communication system
05/22/2009WO2009045070A3 Method for supporting mobility of mobile terminal, and mobile terminal thereof
05/22/2009WO2009045027A3 Method of fast uplink data transmission for handover
05/22/2009WO2009045026A3 Method of allocating uplink radio resource
05/22/2009WO2009044292A3 Cluster-based cooperative spectrum sensing in cognitive radio systems
05/22/2009WO2009041884A3 Multiplicative network coding
05/22/2009WO2009041785A3 Method for detecting control information in wireless communication system
05/22/2009WO2009038395A3 Method and apparatus for allocating radio resources in a wireless communication system
05/22/2009WO2009035911A3 Method and apparatus for inter-technology handoff of a user equipment
05/22/2009WO2009035875A3 Method and apparatus for automated publishing of customized presence information
05/22/2009WO2009035284A3 Multiple beamforming method and apparatus
05/22/2009WO2009035271A3 Method and system for transmitting and receiving signals
05/22/2009WO2009032883A3 Wireless channel selection techniques and devices
05/22/2009WO2009028877A3 Scheduling method and apparatus for high speed video stream service in communication system
05/22/2009WO2009028876A3 Method for generating sequence in wireless communication system
05/22/2009WO2009027953A3 Differential channel quality reporting
05/22/2009WO2009027408A3 High spectral efficiency point-to-point radio system and relevant operating method
05/22/2009WO2009023689A3 Delay management for distributed communications networks
05/22/2009WO2009013404A3 System for positioning a terrestrial user
05/22/2009WO2009000791A3 Coverage of private base station
05/22/2009WO2008139062A3 Method and device for managing communication channels for data exchange from an aircraft
05/22/2009WO2008100341A3 Upstream resource allocation for satellite communications
05/22/2009WO2008093944A3 Method of retransmitting data in a wireless communication system and apparatus for implementing the same
05/22/2009WO2007053614A3 System and apparatus for integration of equipment and communications
05/22/2009WO2006123347A3 Phase noise compensation for mimo wlan systems
05/22/2009WO2006121523A3 Optical terminal that identifies a rogue ont