Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
05/2005
05/10/2005US6891884 Apparatus for detecting correlation, spectrum despread apparatus and receiver having the same, and method for detecting correlation
05/10/2005US6891882 Receiver algorithm for the length 4 CFC
05/10/2005US6891857 Multiple wireless communication protocol methods and apparatuses including proactive reduction of interference
05/10/2005US6891817 Transmission apparatus and base station apparatus using the same
05/10/2005US6891815 Pilot signals for synchronization and/or channel estimation
05/10/2005CA2319726C Interleaving/deinterleaving device and method for communication system
05/10/2005CA2261824C Digital modulation system using extended code set
05/06/2005WO2005026766A3 Mobile communications device with gps receiver and common clock source
05/06/2005WO2004071000A3 Method and apparatus for determining propagation delays for use in wide area networks
05/06/2005WO2004056022A3 Apparatus and method for signal constitution for downlink of ofdma-based cellular system
05/05/2005US20050096080 Apparatus and method for optimizing transmission power of network
05/05/2005US20050096079 Apparatus and method for optimizing transmission power of network
05/05/2005US20050096078 Apparatus and method for optimizing transmission power of network
05/05/2005US20050096077 Channel communication apparatus and method in CDMA communication system
05/05/2005US20050094711 GMSK spread modulation
05/05/2005US20050094671 Magneto-optical head and magneto-optical disk drive
05/05/2005US20050094656 Transport format combination lookup and reselection
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
05/05/2005US20050094604 Initial power control for spread-spectrum communications
05/05/2005US20050094595 Adaptive gain adjustment control
05/04/2005EP1528831A1 Communication system; transmitter; receiver; and transmitting receiving method
05/04/2005EP1528693A2 Frame synchronization for a mobile communication system
05/04/2005EP1527532A2 Method and system for leaving a communication channel in a wireless communications system
05/04/2005EP1527527A2 Reverse link power controlled repeater
05/04/2005EP1152624B1 Communication terminal and wireless communication method
05/04/2005EP1145457B1 Wideband radio transmission method
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
05/04/2005CN1613221A Method and apparatus for constituting TD-LAS system
05/04/2005CN1613220A A coding method to create mismatched spread spectrum sequence with zero correlation window
05/04/2005CN1613200A Transport format combination selection for compressed mode in a W-CDMA system
05/04/2005CN1613193A Coding method for generating general spread spectrum sequence zero with zero correlation window
05/04/2005CN1612617A Hybrid automatic repeat request method using soft-free combination of EDCH
05/04/2005CN1612513A Adjacent set generating method
05/04/2005CN1200530C Method for distributing code in upward link of synchronous radio communicating system
05/04/2005CN1200522C Handoff method in mobile communication system supporting transmission diversity
05/04/2005CN1200519C Array antenna receiving equipment
05/03/2005US6889046 Soft hand-off in cellular mobile communications networks
05/03/2005US6888887 Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter
05/03/2005US6888878 Signal combining within a communication system
05/03/2005US6888814 Code allocation based on cross code correlation
05/03/2005US6888812 CDMA receiver
05/03/2005CA2459325C Spread spectrum communication device and spread spectrum communication method
05/03/2005CA2383178C Transmission using an antenna array in a cdma communication system
04/2005
04/28/2005WO2005039083A1 Method of adjusting the mode of the adaptive multi-rate speech coding
04/28/2005WO2005039082A1 Frequency combining apparatus and frequency combining method
04/28/2005WO2005039071A1 Apparatus and method for generating the beacon signal of time sharing multi-carrier
04/28/2005WO2005002065A3 Ultra-wideband communication through local power lines
04/28/2005US20050090274 Communication system
04/28/2005US20050090270 Method and apparatus for quick paging in a wireless communication system
04/28/2005US20050089122 Correlator and receiver including the same
04/28/2005US20050089111 Method and system of path gain estimation in a WCDMA system
04/28/2005US20050089085 Cdma transmitting device and cdma transmitting method
04/28/2005US20050088996 Wireless communications system and method using transmission timing control
04/27/2005EP1526751A1 Method for management of processing resources in a mobile radio communications system
04/27/2005EP1526692A2 Method for multi-band ultra wide band communication of frequency hopping type
04/27/2005EP1526667A1 Multi-carrier transmission device and multi-carrier transmission method
04/27/2005EP1526661A1 Transport channel multiplexing in a Code Division Multiple Access system
04/27/2005EP1526660A1 User equipment for communicating using a physical random access channel
04/27/2005EP1526653A2 Transmission power control method and apparatus for mobile communication system
04/27/2005EP1187358B9 Spread spectrum communication device and spread spectrum communication method
04/27/2005EP0883940B1 Subtractive multicarrier cdma access methods and systems
04/27/2005CN1611093A Encrypting a pseudo-noise (PN) sequence before spreading a communication signal
04/27/2005CN1611047A Non-zero complex weighted space-time code for multiple antenna transmission
04/27/2005CN1611009A Cellular telephone with simultaneous CDMA and TDMA communications
04/27/2005CN1610447A Method for management of processing resources in a mobile radio communications system
04/27/2005CN1610423A Apparatus and method for scanning WCDMA channels
04/27/2005CN1610271A Method for multi-band ultra wide band communication of frequency hopping type
04/27/2005CN1199506C Random access control method and system
04/27/2005CN1199480C Method and device for executing voice dispatching call in digital communication system
04/27/2005CN1199479C Nonlinear distortion compensation circuit, transmitting apparatus and mobile communication equipment
04/27/2005CN1199478C Method and mobile station for implementing up chain link ratio matching in CDMA system
04/27/2005CN1199384C Method and apparatus for generating compression mode over composite channel base station and mobile station
04/26/2005US6885875 Method and radio communication system for regulating power between a base station and a subscriber station
04/26/2005US6885850 Transmission power control method and apparatus, and communication apparatus
04/26/2005US6885692 Efficient spreader for spread spectrum communication systems
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
04/26/2005US6885652 Code division multiple access (CDMA) communication system
04/26/2005US6885649 Method of multiuser detection with user equipment
04/26/2005US6885648 Spread spectrum communication device and spread spectrum communication method
04/26/2005CA2292627C Wireless communications system for transmitting and receiving data with increased data rates and robustness
04/21/2005WO2005036843A1 A method of user access implementing the combination between cdma system and wireless local area net
04/21/2005WO2004102616A3 Method for soft and softer handover in time division duplex code division multiple access (tdd-cdma) networks
04/21/2005US20050086488 Information signal copy managing method, information signal recording method, information signal output apparatus, and recording medium
04/21/2005US20050084266 Method for optical coding, optical corder and ocdma network architecture
04/21/2005US20050084112 Apparatus and method for generating scrambling code in UMTS mobile communication system
04/21/2005US20050084021 Reduced EMI device and method thereof
04/21/2005US20050083997 Multi-user detection in mobile terminal for reducing interference
04/21/2005US20050083996 Systems and methods for signal conversion
04/21/2005US20050083901 Apparatus and method for encoding/decoding transport format combination indicator in CDMA mobile communication system
04/21/2005US20050083898 Communication control apparatus, and CDMA communication system using the same
04/21/2005US20050083896 Method for multi-band ultra wide band communication of frequency hopping type
04/21/2005US20050083881 Base station and mobile communication system utilizing the same
04/21/2005US20050083875 Cellular system
04/21/2005US20050083869 Transmission power control method and apparatus for mobile communication system
04/20/2005EP1524871A2 Apparatus for scanning WCDMA channels
04/20/2005EP1524790A1 Information transmission with reduced identification-data size
04/20/2005EP1493236A4 A system and method for selecting spreading codes based on multipath delay profile estimation for wireless transceivers in a communication network
04/20/2005EP1133723B1 Fast slewing pseudorandom noise sequence generator