Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
06/2002
06/12/2002CN1353378A Fast Fourier transformation equipment for compensating outcoming signal and its method
06/11/2002US6404830 Digital radio frequency interference canceller
06/11/2002US6404783 Method and apparatus for mobile data communication
06/11/2002US6404732 Digital modulation system using modified orthogonal codes to reduce autocorrelation
06/06/2002WO2002045333A1 Timing drift compensation in wireless packet-based systems
06/06/2002WO2002045312A2 Method and device for transmitting data via optical waveguides
06/06/2002WO2002045311A1 Preamble generation for data packet transmission in a wireless communication system
06/06/2002US20020068526 Satellite communication system employing unique spot beam antenna design
06/06/2002US20020067811 Data communication apparatus
06/06/2002US20020067703 Method and system for allocating a carrier frequency in a radio communication system
06/06/2002US20020067701 Advanced access channel methods and systems
06/06/2002US20020067692 Apparatus and method for transmitting and receiving data in a CDMA communication system
06/06/2002DE10057282A1 Verfahren zur codierten Modulation A method for coded modulation
06/06/2002CA2430560A1 Preamble generation for data packet transmission in a wireless communication system
06/05/2002EP1211855A2 Method and system for allocating a carrier frequency in a radiocommunication system
06/05/2002EP1211836A1 Communication device and communication method
06/05/2002CN1352838A Improvement in mobile telecommunication system
06/05/2002CN1352504A Apparatus and method for keeping frame synchronization in multiple carrier transmission system
06/05/2002CN1086079C Multiple access coding using bent sequences for mobile radio communication
06/04/2002US6400781 Multiband detector
06/04/2002US6400755 Data transmission within a spread-spectrum communication system
06/04/2002US6400752 Wireless computer network communication system and method which determines an available spreading code
06/04/2002US6400679 Communication resource allocation method and apparatus
05/2002
05/30/2002WO2002043354A2 Asymmetric orthogonal codes for wireless system receivers with multiplication-free correlators
05/30/2002WO2002043297A1 Data communication using multi-level symbols
05/30/2002WO2002043294A1 A method for enhancing the channel utilisation in a cdma system
05/30/2002WO2002043293A1 Ofdm communication apparatus and ofdm communication method
05/30/2002US20020064234 Noise canceling method and apparatus
05/30/2002US20020064173 Broadcasting apparatus using OFDM modulation method
05/29/2002EP1209837A1 Communication device and communication method
05/29/2002EP1209836A1 Ofdm communication apparatus and method for propagation path estimation
05/29/2002DE10065919A1 Verfahren zur codierten Modulation A method for coded modulation
05/29/2002DE10056258A1 Determining power component of code of CDMA signal involves determining current power component of active code, indicating as function of time in raster of pilot channel time slices
05/29/2002CN1351780A Device and method for expanding channel data in CDMA system by orthogonal transmitting subset
05/29/2002CN1351433A Direct sequential CDMA linking transferring method
05/29/2002CN1351432A Direct sequential CDMA linking transferring method
05/28/2002US6397368 Forward error correction with channel adaptation
05/28/2002US6397067 Roadside transmitter
05/28/2002US6397039 Satellite communication system using multiple ground station RF power control in a single downlink beam
05/28/2002US6396886 DMT time-domain equalizer algorithm
05/28/2002US6396869 Modulation apparatus and method using zero-crossing detection
05/28/2002US6396868 Spread spectrum signal generating device and method in transmitter of mobile communications system
05/28/2002US6396822 Method and apparatus for encoding data for transmission in a communication system
05/28/2002US6396804 High data rate CDMA wireless communication system
05/28/2002US6396802 Data transmission method with a plurality of frequency bands
05/28/2002CA2150113C Wireless direct sequence spread spectrum digital cellular telephone system
05/23/2002WO2002041594A1 Method for coded modulation taking account of the error sensitivity of the user data and encrypting said data after coding
05/23/2002WO2002041551A2 Method and apparatus for non-linear code-division multiple access technology
05/23/2002WO2002041550A1 Non-linear code-division multiple access technology with improved detection algorithms and error correction coding
05/23/2002WO2001091443A3 A multimode multicarrier modem system and method of communication over the same
05/23/2002US20020061752 Cross polarization interference canceller and method of canceling cross polarization interference
05/23/2002US20020061076 OFDM transmit signal receiver
05/23/2002US20020061075 Method of optimizing the performance of a mobile radio system transmitter
05/23/2002US20020060984 OFDM signal organized so as to simplify reception
05/22/2002EP1207666A2 Procedure for optimising the performance of a transmitter in a mobile radio communications system
05/22/2002EP1207663A2 Signal quality assessment in a multicarrier receiver
05/22/2002EP1207661A1 Adaptive subcarrier loading
05/22/2002EP1206866A1 Method and apparatus for reducing peak to average power ratio in digital broadcasting systems
05/22/2002EP0536334B1 System and method for generating signal waveforms in a cdma cellular telephone system
05/21/2002US6393451 Flexibility enhancement to the modified fast convolution algorithm
05/21/2002US6393077 Correction detecting device and its method
05/21/2002US6393066 Efficient digital channelizer system and method of operation thereof
05/21/2002US6393051 Digital subscriber line communicating system and a transceiver in the system
05/21/2002CA2253373C Information network access apparatus and methods for communicating information packets via telephone lines
05/16/2002WO2002039690A1 Coded modulation method, which takes tailbits and their coding into account
05/16/2002WO2002039633A1 Diversity receiver and orthogonal frequency division multiplexed signal receiving method
05/16/2002WO2002039590A2 Methods and apparatus for encoding and decoding data
05/15/2002EP1206096A2 Symbol synchronisation in a multicarrier receiver
05/15/2002EP1206093A2 Frequency-domain equalisation
05/15/2002CN1084990C Orthogonal code hopping multiple address communicaltion system
05/14/2002US6389077 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control
05/14/2002US6389059 Multi-band, multi-mode spread-spectrum communication system
05/14/2002US6389000 Method and apparatus for transmitting and receiving high speed data in a CDMA communication system using multiple carriers
05/14/2002US6388999 Dynamic bandwidth allocation for multiple access communications using buffer urgency factor
05/10/2002WO2002037722A1 Radio transmitting apparatus and radio transmitting method
05/09/2002US20020054609 Radio broadcasting system and method providing continuity of service
05/09/2002US20020054605 Frequency division multiplex transmission signal receiving apparatus using a plurality of carriers
05/09/2002US20020054581 System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system
05/08/2002EP1204284A1 Cellular system and communication method according to multi-code cdma
05/08/2002EP1203468A2 Method and apparatus for orthogonal code hopping multiplexing communications
05/08/2002EP1203467A1 Robust transmission mode
05/08/2002EP1153356A4 A system for conducting surveys in different languages over a network with survey voter registration
05/08/2002CN1348274A Frequency division multiplexing signal receiving apparatus
05/08/2002CN1084559C Method and apparatus for synchronizing carrier frequency of orthogonal frequency division multiplexing transmission system
05/07/2002US6385187 Device and method for generating spread spectrum signal using pseudo-orthogonal code in CDMA mobile communications system
05/02/2002WO2002035735A2 Shared channel structure, arq systems and methods
05/02/2002WO2002017615A3 Terrestrial digitial multimedia/television broadcasting system
05/02/2002WO2001097474A3 Adaptive precoding
05/02/2002WO2001071928A3 High efficiency, high performance communications system employing multi-carrier modulation
05/02/2002US20020051498 Decoding system and method for digital communications
05/02/2002US20020051437 Radio communication system and base station employing CDMA
05/02/2002US20020050948 Adaptive receiver having adaptive array unit and equalizer unit
05/02/2002EP1202515A2 Outer code for CSMA systems which use multicarrier transmission
05/02/2002EP1201040A1 Channel assignment apparatus and method for common packet channel in a wcdma mobile communication system
05/01/2002CN1347603A Method and apparatus for radio reception, and medium
05/01/2002CN1347602A Method and apparatus for transmission, and medium
05/01/2002CN1084095C Data transmission method, transmitter and receiver
05/01/2002CN1084092C Method for demodulation and power control bit detection in spread spectrum communication system
04/2002
04/30/2002US6381264 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
04/30/2002US6381263 Receiving method and receiving apparatus