Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
09/2005
09/27/2005US6950474 OFDM communication device
09/27/2005US6950401 Apparatus, and associated method, for facilitating resource allocation in a communication system
09/27/2005CA2378885C Signal blocking for a base radio control station
09/22/2005WO2005089006A1 Scheduling method and base station apparatus
09/22/2005WO2005089000A1 Reception quality notifying method, wireless communication terminal apparatus, and base station apparatus
09/22/2005WO2005088886A1 Method for operation of harq in a broadband wireless access communication system
09/22/2005WO2005088884A1 Data transmission method and data reception method
09/22/2005WO2005088883A1 Allocation of walsh codes to support calls in wireless communication networks
09/22/2005WO2005088882A1 Pilot design for ofdm systems with four transmit antennas
09/22/2005WO2005088871A1 Method and apparatus for constructing map ie using reduced cid in broadband ofdma systems
09/22/2005WO2005088867A1 Communication terminal device and communication relay method
09/22/2005US20050207506 Multi-carrier signal transmitting apparatus and multi-carrier signal receiving apparatus
09/22/2005US20050207351 Receiver and receiving method, and communication system and communication device
09/22/2005US20050207336 System and method of receiving various packet services through the same internet protocol address in a universal mobile telecommunication service system
09/22/2005US20050207335 Downlink signaling for a multi-carrier communications system
09/22/2005US20050207333 Method and apparatus for an enhanced OFDM system
09/22/2005CA2558240A1 System and method for adaptive modulation
09/21/2005EP1578163A2 CDMA/TDD mobile communication system and method
09/21/2005EP1578046A1 Radio communication apparatus and radio transmission method
09/21/2005EP1578045A1 Ofdm demodulation device
09/21/2005EP1578044A1 Radio communication apparatus and radio transmission method
09/21/2005EP1578043A1 Radio communication device and radio communication method
09/21/2005EP1576756A2 Virtual mimo communication system
09/21/2005EP1576752A1 Improvements in or relating to spreading codes for quasisynchronous code division multiple access systems
09/21/2005CN1672349A Apparatus and method for improved performance in MC-CDMA radio telecommunication systems that use pulse-shaping filters
09/21/2005CN1672344A Transmitting apparatus, receiving apparatus, radio communication method, and radio communication system
09/21/2005CN1672342A Pilot information gain control method and apparatus
09/21/2005CN1671132A Receiver and receiving method, and communication system and communication device
09/20/2005US6947748 OFDMA with adaptive subcarrier-cluster configuration and selective loading
09/20/2005US6947501 Decoder device for decoding packet signals composed of control codes and data codes
09/20/2005US6947477 Apparatus and method for creating signal and profiles at a receiving station
09/20/2005US6947373 Method for optimal estimation of a propagation channel based solely on pilot symbols, and corresponding estimator
09/20/2005US6947372 Multi-carrier communication system with sample rate pilot carrier and time division duplexing frame rate pilot carrier
09/20/2005CA2426111C Ranging method for mobile communication system based on orthogonal frequency division multiple access scheme
09/15/2005WO2005086516A1 Frequency channel assigning system, base station, control station, inter-system common control apparatus, frequency channel assigning method and control method
09/15/2005WO2005086446A1 Ofdm transceiver structure with time-domain scrambling
09/15/2005WO2005086426A1 Method for reducing medium access overhead in a wireless network
09/15/2005WO2005086399A1 Transportable character-centric gaming for wireless lan hotspots
09/15/2005WO2005086398A1 Apparatus and method for assigning a ranging channel and transmitting and receiving a ranging signal in an ofdm system
09/15/2005WO2005086397A1 Apparatus and method for transmitting/receiving pilot signal in communication system using ofdm scheme
09/15/2005WO2005086368A1 A method and apparatus for receiving a signal
09/15/2005US20050203977 Method and apparatus for reducing the crest factor of a signal
09/15/2005US20050201474 Method and apparatus for transmitting channel quality information in an orthogonal frequency division multiplexing communication system
09/15/2005US20050201448 Method and apparatus for efficient Walsh covering and summing of signals in a communication system
09/15/2005US20050201368 Frame structures supporting voice or streaming communications with high speed data communications in wireless access networks
09/15/2005US20050201338 Information transmission method, mobile communications system, base station and mobile station in which data size of identification data is reduced
09/15/2005US20050201328 Method for designing an uplink pilot signal and a method and a system for estimating a channel in a multicarrier code division multiple access system
09/15/2005US20050201325 Method for operation of HARQ in a broadband wireless access communication system
09/15/2005US20050201270 Method and apparatus for transmitting and receiving pilot signals in an orthogonal frequency division multiple access system
09/15/2005US20050201269 Method and apparatus for constructing MAP IE using reduced CID in broadband OFDMA systems
09/15/2005US20050201268 OFDM signal transmission method and apparatus
09/15/2005US20050201267 Centralized buffer architecture for an orthogonal frequency division multiplexing (ofdm) receiver
09/15/2005CA2554785A1 Apparatus and method for assigning a ranging channel and transmitting and receiving a ranging signal in an ofdm system
09/14/2005EP1575310A2 A telecommunications system for providing both narrowband and broadband services to subscribers; subscriber equipment; a shelf therefor; a replaceable lowpass filter unit; line termination equipment; network termination equipment; and a telecommunications rack with a plurality of shelves having a redundancy featur
09/14/2005EP1575256A2 A telecommunications system for providing both narrowband and broadband services to subscribers; sunscriber equipment; a shelf therefor; a replaceable lowpass filter unit; line termination equipment; network termination equipment and a telecommunications rack with a plurality of shelves having a redundancy featur
09/14/2005EP1575255A2 A telecommunications system for providing both narrowband and broadband services to subscribers; subscriber equipment; a shelf therefor; a replaceable lowpass filter unit; line termination equipment; network termination equipment; and a telecommunications rack with a plurality of shelves having a redundancy featur
09/14/2005EP1575235A2 OFDM Signal transmission method and apparatus
09/14/2005EP1575208A2 Method and device for providing timing information in a wireless communication system
09/14/2005EP1575207A2 Method and device for providing timing information in a wireless communication system
09/14/2005EP1575205A2 Method for operation of HARQ in a broadband wireless access communication system
09/14/2005EP1575202A1 Ofdm transmission/reception apparatus
09/14/2005EP1574100A2 Support of plural chip rates in a cdma system
09/14/2005EP1135864A4 Apparatus and method for expanding channels in cdma system
09/14/2005CN1669287A Orthogonal variable spreading factor (ovsf) code assignment
09/14/2005CN1669286A Method and device for synchronization upon reception of a signal and echoes
09/14/2005CN1669264A Time-frequency interleaved MC-CDMA for quasi-synchronous systems
09/14/2005CN1669256A Extracting the phase of an OFDM signal sample
09/14/2005CN1668036A Method and apparatus for reducing the crest factor of a signal
09/14/2005CN1668035A Design method for OFDM system with quasi-orthogonal space-time frequency block encoding
09/14/2005CN1667987A Adaptive communicating method and device
09/14/2005CN1667986A Adaptive modulation-demodulation control device and method
09/13/2005US6944244 Mechanism for OFDM equalizer tap initialization using an adaptive algorithm
09/13/2005US6944216 Digital subscriber line communicating system
09/13/2005US6944210 Method for receiving or sending messages
09/13/2005US6944121 Wireless computer network including a mobile appliance containing a single chip transceiver
09/13/2005US6944120 Method and system for tiered digital television terrestrial broadcasting services using multi-bit-stream frequency interleaved OFDM
09/13/2005US6944119 OFDM receiving apparatus, OFDM transmission apparatus and OFDM communication method
09/13/2005CA2298938C Coherent detection system for multicarrier modulation
09/13/2005CA2291847C Synchronization symbol structure using ofdm based transmission method
09/09/2005WO2005083922A1 Communications systems, method and device in mimo systems with domain spreading
09/09/2005WO2005083898A1 Suppressing cross-polarization interference in an orthogonal communication link
09/09/2005WO2005081713A2 Ultra-wideband communication protocol
09/09/2005CA2557591A1 Suppressing cross-polarization interference in an orthogonal communication link
09/08/2005US20050198672 Wireless transmission/reception system
09/08/2005US20050197076 Radio communication device and control method of amplification circuit thereof
09/08/2005US20050197066 Non-linear distortion compensation circuit for multi-carrier transmission
09/08/2005US20050197065 Adaptive modulation scheme and data rate control method
09/08/2005US20050195913 Communications system, method and device
09/08/2005US20050195791 Apparatus and method for assigning a ranging channel and transmitting and receiving a ranging signal in an OFDM system
09/08/2005US20050195777 Implementing location awareness in WLAN devices
09/08/2005US20050195769 Code division multiple access (CDMA) method and apparatus for protecting and authenticating wirelessly transmitted digital information
09/08/2005US20050195759 Optimal frequency of walsh mask broadcast for forward high-speed packet data channels
09/08/2005US20050195732 Apparatus and method for transmitting and receiving a data frame processing result in an OFDMA mobile communication system
09/07/2005EP1571796A2 Apparatus and method for transmitting/receiving pilot signal in communication system using OFDM scheme
09/07/2005EP1571795A2 Method for allocating a subchannel in an orthogonal frequency division multiple access cellular communication system
09/07/2005EP1571772A2 Apparatus and method for transmitting and receiving a data frame processing result in an OFDMA mobile communication
09/07/2005EP1571770A2 Apparatus and method for assigning a ranging channel and transmitting and receiving a ranging signal in an OFDM system
09/07/2005EP1570588A2 Apparatus and method for signal constitution for downlink of ofdma-based cellular system
09/07/2005CN1666466A Method and apparatus for adjacent channel interference reduction in an orthogonal frequency division multiplexing (OFDM) receiver
09/07/2005CN1666452A Apparatus and method for transmitting and receiving side information about selective mapping in an orthogonal frequency division multiplexing communication system