Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
05/2005
05/12/2005US20050099972 Scramble code allocation method, a radio base station, a mobile station, and a mobile communications system
05/12/2005US20050099939 Apparatus and method for transmitting/receiving pilot signals in an OFDM communication system
05/12/2005US20050099937 Apparatus and method for sub-carrier allocation in a multiple-input and multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system
05/12/2005US20050099936 OFDM transmitter and OFDM receiver
05/11/2005EP1530336A1 Synchronization preamble structure for OFDM system
05/11/2005EP1530335A2 Apparatus and method for cancelling interference signal in an orthogonal frequency division multiplexing system using multiple antenna
05/11/2005EP1530319A2 Method of idle mode control in OFDM system
05/11/2005EP1530312A1 Apparatus and method for cancelling interference signals in a system using multiple antennas
05/11/2005EP1530311A2 A scramble code allocation method, a radio base station, a mobile station, and a mobile communications system
05/11/2005EP1529413A1 Method for transmitting control information in a shared control channel of a wireless communication system
05/11/2005EP1529389A1 Symbol interleaving
05/11/2005EP1529349A1 Method for generating communication signal sequences having desirable correlation properties and system for using same
05/11/2005EP1221210B1 Method for indicating an allocation of spread codes in a radio communication system
05/11/2005CN2699605Y High speed downlink packet access (HSDPA) user equipment having physical layer ARQ (automatic repeat request) mechanism
05/11/2005CN1615623A Rate selection for an OFDM system
05/11/2005CN1615622A Method and apparatus for determining the log-likelihood ratio with precoding
05/11/2005CN1615609A Enhancement of data frame re-transmission by using an alternative modulation scheme in a WLAN
05/11/2005CN1614917A Scramble code allocation method, a radio base station and a mobile station
05/11/2005CN1614914A Spare mode cotrol in orthogonal FDM system
05/11/2005CN1201518C Pilot mode design for STTD program in OFDM system
05/11/2005CN1201514C Implement method of ternary spread spectrum sequence coding in CDMA system
05/10/2005US6891810 Wireless access system and associated method using multiple modulation formats in TDD frames according to subscriber service type
05/10/2005CA2261824C Digital modulation system using extended code set
05/06/2005WO2004056022A3 Apparatus and method for signal constitution for downlink of ofdma-based cellular system
05/05/2005US20050097617 Ranging and registering cable modems under attenuated transmission conditions
05/05/2005US20050097427 Method of and device for communication
05/05/2005US20050094746 Characteristic measurement system for a digital modulation signal transmission circuit
05/05/2005US20050094613 Apparatus and method for transmitting/receiving a pilot signal for distinguishing a base station in a communication system using an OFDM scheme
05/05/2005US20050094598 Multiple-input, multiple-output (MIMO) systems with multiple transmission modes
05/05/2005US20050094551 Processor instruction for DMT encoding
05/05/2005US20050094550 Apparatus and method for transmitting/receiving pilot signals in an OFDM communication system
05/04/2005EP1528741A1 Method and apparatus for OFDM diversity reception
05/04/2005EP1528740A1 Orthogonal frequency division multiplexing (OFDM) demodulator, integrated circuit for OFDM demodulation and OFDM demodulation method
05/04/2005EP1528704A2 Method for generating a preamble sequence group
05/04/2005EP1527582A2 Orthogonal variable spreading factor (ovsf) code assignment
05/04/2005EP1527559A1 Method and apparatus for adjacent channel interference reduction in an orthogonal frequency division multiplexing (ofdm) receiver
05/04/2005EP0882377B1 Adaptive channel allocation in a frequency division multiplexed system
05/04/2005EP0878077B1 Forward link carrier recovery in an ocdma spread spectrum communication system without a pilot tone
05/04/2005CN1613231A Co-existence of OFDM and DSSS/CCK stations in a WLAN
05/04/2005CN1613230A Co-existence of modulation schemes in a WLAN
05/04/2005CN1613218A Pitot-frequency multiplexing method in OFDM system and OFDM receiving method
05/04/2005CN1613204A Spread spectrum multiaddress coding method, its application method and coding device
05/04/2005CN1613201A Multiple-access multiple-input multiple-output (MIMO) communication system
05/04/2005CN1612560A Receiver for compensating nonlinearly distorted multicarrier signals
05/04/2005CN1612558A OFDM demodulator and OFDM demodulation method
05/04/2005CN1612515A Device for using OFDM diversity reception, OFDM receiving circuit and OFDM reception method
05/04/2005CN1612512A Difference regression method for orthogonal frequency division multiplexing signal peak-average power ratio suppression
05/04/2005CN1612497A Method and apparatus for affirming authority of base-station antenna
05/04/2005CN1200530C Method for distributing code in upward link of synchronous radio communicating system
05/03/2005US6888877 CDMA receiver
05/03/2005US6888789 Transmitting apparatus, receiving apparatus, communication system, transmission method, reception method, and communication method
04/2005
04/28/2005WO2005039082A1 Frequency combining apparatus and frequency combining method
04/28/2005WO2005039081A1 Method for transmitting signals in a communications system
04/28/2005WO2005039068A1 Data demodulation for a cdma communication system
04/28/2005US20050090202 Method for generating a preamble sequence group
04/28/2005US20050089125 Receiver for compensating nonlinearly distorted multicarrier signals
04/28/2005US20050089109 Apparatus and method for PAPR reduction in an OFDM communication system
04/28/2005US20050089108 Orthogonal frequency division multiplexing (OFDM) demodulator, integrated circuit for OFDM demodulation and OFDM demodulation method
04/28/2005US20050089107 Multi-carrier transmission system
04/28/2005US20050089101 Sub-block domain transformation multiple signal processing
04/28/2005US20050089085 Cdma transmitting device and cdma transmitting method
04/28/2005US20050088998 Method and apparatus for cell identification in wireless data networks
04/28/2005US20050088961 Method and apparatus for domain transformation multiple signal processing
04/28/2005US20050088960 Apparatus and method for transmitting/receiving pilot pattern set to distinguish base station in orthogonal frequency division multiplexing (OFDM) communication system
04/27/2005EP1526674A1 Method for subcarrier allocation and for modulation scheme selection in a wireless multicarrier transmission system
04/27/2005EP1526669A1 Digital signal receiver
04/27/2005EP1526668A1 Multi-carrier transmitting apparatus and multi-carrier transmitting method
04/27/2005EP1526667A1 Multi-carrier transmission device and multi-carrier transmission method
04/27/2005EP1525704A1 Time-frequency interleaved mc-cdma for quasi-synchronous systems
04/27/2005EP1525688A1 Centralized buffer architecture for an orthogonal frequency division multiplexing (ofdm) receiver
04/27/2005EP1525687A1 Radio base station apparatus
04/27/2005EP1525686A1 Apparatus and method for improved performance in mc-cdma radio telecommunication systems that use pulse-shaping filters
04/27/2005EP1350398A4 System and method for frequency re-use in a sectorized cell pattern in a wireless communication system
04/27/2005EP0807342B1 Dab receiver, apparatus and method for a format conversion of a dab data sequence
04/27/2005CN1611093A Encrypting a pseudo-noise (PN) sequence before spreading a communication signal
04/27/2005CN1611048A Method and apparatus for multi-carrier transmission
04/27/2005CN1611028A Adaptive rate control for OFDM communication system
04/27/2005CN1611026A Apparatus and method for generating preamble sequence in an OFDM communication system
04/27/2005CN1610333A Method for subcarrier allocation and for modulation scheme selection in a wireless multicarrier transmission system
04/27/2005CN1610285A Method for estimating communication channel in OFDM system
04/27/2005CN1199451C Transmitter for transmitting orthogonal frequency-division multiplying singnal by way of time division and its method
04/27/2005CN1199415C Multicarrier communication system and method for peak power control
04/27/2005CN1199365C Apparatus and method for coding/decoding TFCI bits in asynchrronous CDM communication system
04/27/2005CN1199359C Method of error protected transmission and receiving and transmission system for transmission of data
04/26/2005US6885697 Method of setting communication bands and communication device
04/26/2005US6885691 Scrambling codes and channelization codes for multiple chip rate signals in CDMA cellular mobile radio communication system
04/26/2005US6885653 Apparatus and method for allocating channel using OVSF code for uplink synchronous transmission scheme in a W-CDMA communication system
04/26/2005US6885649 Method of multiuser detection with user equipment
04/26/2005CA2292627C Wireless communications system for transmitting and receiving data with increased data rates and robustness
04/21/2005WO2005036847A2 An apparatus and associated methods to implement a high throughput wireless communication system
04/21/2005WO2005036791A1 Method and apparatus for cell identification in wireless data networks
04/21/2005WO2005036790A1 Transmitter apparatus, communication system, and communication method
04/21/2005US20050085236 Method for subcarrier allocation and modulation scheme selection in wireless multicarrier transmission system
04/21/2005US20050085235 Apparatus and method for allocating channel in a wireless communication system
04/21/2005US20050084042 Dat-aided frequency offset detection using phase unwrapping
04/21/2005US20050083998 Data demodulation for a CDMA communication system
04/21/2005US20050083901 Apparatus and method for encoding/decoding transport format combination indicator in CDMA mobile communication system
04/21/2005CA2536494A1 Method and apparatus for cell identification in wireless data networks
04/20/2005EP1524873A2 Seamless handover method in an FH-OFDM-based mobile communication system
04/20/2005EP1524812A2 Multicarrier transmission system with low power sleep mode and rapid-on-capability