Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
12/2004
12/08/2004CN1554206A Method and apparatus for time-sharing channelization code in a CDMA communication system
12/08/2004CN1553709A Base band OQAM signal generating method in digital ground broadcasting transmission
12/08/2004CN1553643A Method for expanding wireless local net physical layer cover range
12/08/2004CN1553604A OFDM frequency synchronous method based on training sequence
12/08/2004CN1553603A OFDM time synchronous method based on training sequence
12/08/2004CN1179526C Method for transmitting data to be transmitted using subscriber modem
12/07/2004US6829289 Application of a pseudo-randomly shuffled hadamard function in a wireless CDMA system
12/07/2004CA2331203C Communication system
12/07/2004CA2287004C Method and apparatus for wireless communication using time division duplex time-slotted cdma
12/02/2004WO2004105265A1 Transmitter apparatus and communication system
12/02/2004WO2004104530A2 Interference and noise estimation in an ofdm system
12/02/2004US20040240588 Compensation for non-linear distortion in a modem receiver
12/02/2004US20040240571 Transmission method, transmission apparatus, and reception apparatus
12/02/2004US20040240570 Method for estimating the transfer function of a multicarrier signal transmission channel and corresponding receiver
12/02/2004US20040240527 Multi-user interference resilient ultra wideband (UWB) communication
12/02/2004US20040240409 Method, system and apparatus for transmitting interleaved data between stations
12/02/2004US20040240379 Mode detection for OFDM signals
12/02/2004US20040240378 Method of spread space-spectrum multiple access
12/02/2004US20040240376 Method for reducing channel estimation error in an OFDM system
12/02/2004CA2780146A1 Power control and scheduling in an ofdm system
12/02/2004CA2525805A1 Interference and noise estimation in an ofdm system
12/01/2004EP1481502A2 Hierarchical preamble constructions for ofdma based on complementary sequences
12/01/2004EP1481489A1 Data transmission with non-uniform distribution of data rates for a multiple-input multiple-output (mimo) system
12/01/2004CN1551530A 接收装置 Receiving device
12/01/2004CN1551509A Wireless telecommunication system, transmitting device, receiving device, processing method and programme
12/01/2004CN1178416C Quadrature frequency division multiplex diversing receiver
12/01/2004CN1178415C Method and apparatus for assigning walsh codes
11/2004
11/30/2004US6826719 Cellular CDMA transmission system
11/30/2004US6826239 Modulating method, modulator, demodulating method and demodulator
11/25/2004WO2004102914A1 Method and receiving device for determining the format of shaping filtering
11/25/2004WO2004102816A2 Fast frequency hopping with a code division multiplexed pilot in an ofdma system
11/25/2004US20040234013 Clustered OFDM with channel estimation
11/25/2004US20040233841 OFDM receiving apparatus and receiving method thereof
11/25/2004US20040233839 Method and apparatus for channel estimation in a packet based transmission system having reduced complexity
11/25/2004US20040233836 Multi-carrier transmission apparatus and multi-carrier transmission method
11/25/2004DE10319090A1 Wireless data transmission in multi-carrier system involves selecting sub-carriers of sub-carrier group so at least some are at least preferentially reserved for transmitting data at lower data rate
11/25/2004CA2753999A1 Fast frequency hopping with a code division multiplexed pilot in an ofdma system
11/25/2004CA2526910A1 Soft handoff with interference cancellation in a wireless frequency hopping communication system
11/25/2004CA2525714A1 Normalised coherent amplitude and differential phase modulation method for multi-user communications
11/25/2004CA2525566A1 Fast frequency hopping with a code division multiplexed pilot in an ofdma system
11/24/2004EP1480401A2 Frequency-offset estimator for multi-carrier reception
11/24/2004EP1480364A1 Communication device used in cdma
11/24/2004EP1480363A1 Ofdm demodulation device
11/24/2004EP1480362A1 Radio communicating method, radio transmitting apparatus, and radio receiving apparatus
11/24/2004EP1479177A1 Multiple-input, multiple-output (mimo) systems with multiple transmission modes
11/24/2004EP1145518B1 Multicarrier transmission system with low power sleep mode and rapid-on-capability
11/24/2004EP1012902B1 Quasi-orthogonal code mask generating device in mobile communication system
11/24/2004EP0861549B1 Method of synchronizing a digital signal receiver
11/24/2004CN1550080A Radio communications apparatus and radio communications method
11/24/2004CN1549472A Modulating and demodulating apparatus for orthogonal frequency division multiplexing system
11/24/2004CN1549471A Transmitter and receiver capable of raising space time block code performance
11/24/2004CN1177422C Frequency division multiplexing signal receiving apparatus
11/24/2004CN1177421C Digital audio frequency broadcasting receiver
11/23/2004US6822953 Method for transmitting radio signals and receiver for receiving radio signals
11/23/2004US6822607 Communication apparatus using OFDM technique
11/23/2004CA2425463C Power control device and method for controlling a reverse link common channel in a cdma communication system
11/23/2004CA2360909C System and method for generating signal waveforms in a cdma cellular telephone system
11/23/2004CA2316263C Channel spreading device and method in cdma communication system
11/18/2004WO2004100413A1 Demodulation device and demodulation method
11/18/2004US20040229628 Method of adaptive walsh code allocation
11/18/2004US20040228389 Systems and methods for using code space in spread-spectrum communications
11/18/2004US20040228314 Device for joint detection of cdma codes for multipath downlink
11/18/2004US20040228271 Frequency-division multiplexing system and method for communication having enhanced reliability in fading environments
11/18/2004US20040228267 Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
11/18/2004US20040227036 Communication apparatus, communication method and installation method of railway vehicle-facility intra communication system
11/17/2004EP1478151A1 Frequency-division multiplexing system and method for communication having enhanced reliability in fading environments
11/17/2004EP1478149A2 Multicarrier receiver
11/17/2004EP1478113A1 Method of adaptive walsh code allocation
11/17/2004EP1476955A1 Dynamic channel configuration in a cellular radio network
11/17/2004EP1476953A1 Code division multiple access receiver
11/17/2004CN1547818A Wireless transmitter, wireless receiver, and method thereof
11/17/2004CN1547817A Receiving method and apparatus for estimating quality of reception, and communication system utilizing the receiving apparatus
11/17/2004CN1547815A Transmission method, transmission apparatus, and reception apparatus
11/17/2004CN1547813A Physical layer automatic repeat request (arq)
11/17/2004CN1547339A Highly efficient iterative code multi-user detection method for OFDM system
11/11/2004US20040223763 Passive optical network employing multi-carrier code division multiple access
11/11/2004US20040223554 Orthogonal frequency division multiplexing (OFDM) receiver used in wireless local area network system and symbol timing synchronization method therefor
11/10/2004EP1475915A2 Passive optical network employing multi-carrier code division multiple access
11/10/2004EP1475913A1 Apparatus and method for encoding/decoding transport format combination indicator in cdma mobile communication system
11/10/2004EP1475912A1 Apparatus and method for encoding/decoding transport format combination indicator in CDMA mobile communication system
11/10/2004EP1475911A1 Apparatus and method for encoding/decoding transport format combination indicator in CDMA mobile communication system
11/10/2004EP1474877A1 Modular device for multiple reception of a modulated signal
11/10/2004EP1252723B1 Support of multiuser detection in the downlink
11/10/2004CN1545787A Method and apparatus for enhancing data rates in spread spectrum communication systems
11/10/2004CN1545776A Physical layer automatic repeat request (arq)
11/10/2004CN1545656A Base station implementing a physical layer automatic repeat request
11/10/2004CN1545232A Subband adaptive Turbo code modulation method under fixed throughput in OFDM
11/10/2004CN1175640C Data transmission method and radio system
11/10/2004CN1175638C Adaptive channel equalizer for use in digital communication system utilizing OFDM method
11/10/2004CN1175612C Method and system for synchronous time-division duplex receiving and transmitting unit
11/10/2004CN1175604C Code reservation for interference measurement in CDMA radio communication system
11/10/2004CN1175599C Device and method for vector equalization of OFDM signal
11/10/2004CN1175595C Radio communication apparatus and radio communication method
11/10/2004CN1175589C Device and method for expanding channel data in CDMA system by orthogonal transmitting subset
11/09/2004US6816736 Apparatus and method for use in paging mode in wireless communications systems
11/09/2004US6816453 Communication system using orthogonal frequency division multiplexed signal
11/09/2004US6816452 Vehicle-to-roadside communication system, roadside communication station, and on-board mobile station
11/04/2004WO2004095749A1 Radio transmitting/receiving apparatus and radio transmitting/receiving method for estimating noise and interference power in ratio transmission using code spread
11/04/2004WO2004095748A1 Multi-carrier communication apparatus
11/04/2004US20040219945 Increasing effective number of data tones in a multi-tone communication system