Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
09/2005
09/08/2005US20050197151 Target value control system for transmission power control and method thereof and base station and mobile communication terminal
09/08/2005US20050195921 Receiver, a communication system and a receiving method
09/08/2005US20050195885 Efficient spreader for spread spectrum communication systems
09/08/2005US20050195030 Predistorter
09/07/2005EP1571759A1 A base station, a mobile station, a radio communications system, and a radio transmission method using spread spectrum and chip repetition
09/07/2005EP1571634A1 Recall device
09/07/2005EP1570588A2 Apparatus and method for signal constitution for downlink of ofdma-based cellular system
09/07/2005EP1540823A4 Power and confidence ordered low complexity soft turbomud with voting system
09/07/2005CN1666441A Method and apparatus for processing a physical channel with partial transport format information
09/07/2005CN1665171A A base station, a mobile station, a radio communications system, and a radio transmission method
09/07/2005CN1218605C Cellular system and communication method according to multi-code CDMA
09/07/2005CN1218526C A scrambler for generating scrambling sequence and scrambling method thereof
09/07/2005CN1218522C Method for obtaining initial connection frame number in WCDMA mobile communication system
09/07/2005CN1218504C Method for generating a cyclic sequence of frequencies
09/07/2005CN1218502C CDMA receiver and receiving method thereof
09/06/2005US6940842 System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system
09/06/2005US6940841 Packet-switched spread-spectrum system
09/06/2005US6940840 Apparatus for adaptive reverse power control for spread-spectrum communications
09/06/2005US6940839 Downlink power control method and CDMA communication system incorporating the control method
09/06/2005US6940837 Spread spectrum demodulator
09/06/2005US6940823 Wide band radio transmission method
09/06/2005CA2372685C Apparatus and method for generating frame sync word and verifying the frame sync word in w-cdma communication system
09/01/2005WO2005081437A1 Multiplexing scheme in a communication system
09/01/2005WO2005081420A1 Cdma-rfid
09/01/2005WO2005006573A3 Method and system for coded null packet-aided synchronization
09/01/2005WO2004073169A3 Apparatus, and associated method, for selecting codes of a code set for coding data communicated during operation of a multi-access communication system
09/01/2005US20050190818 PN code generator, GOLD code generator, PN code despreader, method for generating PN code, method for generating GOLD code, method for despreading PN code and computer program
09/01/2005US20050190737 Mobile station and a base station
09/01/2005US20050190726 Adaptive gain adjustment control
09/01/2005US20050190715 Communications system, method and devices
09/01/2005US20050190689 Suppressing cross-polarization interference in an orthogonal communication link
09/01/2005US20050190688 Code generation, in particular for umts digital communications
08/2005
08/31/2005EP1569360A1 Spread-spectrum system and method
08/31/2005EP1569356A1 Subtractive interference cancellation of pilot and control symbols before the data detection
08/31/2005EP1569350A1 Power limit device and digital radio transmitter using the same
08/31/2005EP1302014B1 Method and device for diversity transmission of encoded information
08/31/2005EP1212853B1 Method for selecting rach in a cdma mobile communication system
08/31/2005CN2722510Y Code mixer
08/31/2005CN1663161A MT-CDMA using spreading codes with interference-free windows
08/31/2005CN1663140A Ultra-wideband communication through a wire medium
08/31/2005CN1663135A Ultra-wideband communication through a wire network
08/31/2005CN1661993A Receiver, a communication system and a receiving method
08/31/2005CN1661949A Method and device for generating compression mode over composite channel, base station and mobile stabion
08/31/2005CN1661948A Method for managing resources of base station in WCDMA system
08/31/2005CN1661947A United detection method and equipment for retransmission signals of CDMA
08/31/2005CN1661946A Device for generating modulation signal in single channel and multiple channels
08/31/2005CN1661945A Method for measuring observation time difference of network in WCDMA system
08/31/2005CN1217557C Base station appts. and channel assigning method
08/30/2005US6937643 ROM-based PN generation for wireless communication
08/30/2005US6937640 Apparatus and method for reporting service load to mobile station in mobile telecommunication system
08/30/2005US6937617 Apparatus and method for trellis encoding data for transmission in digital data transmission systems
08/30/2005US6937585 Transmission scheme within a communication system
08/30/2005US6937584 Method and apparatus for controlling gain level of a supplemental channel in a CDMA communication system
08/30/2005US6937559 Apparatus and method for allocating Walsh codes in CDMA communication system having variable rate channel structure
08/30/2005CA2377227C Apparatus and method for providing separate forward dedicated and shared control channels in a communications system
08/30/2005CA2374307C Cell search procedure for time division duplex communication systems using code division multiple access
08/25/2005WO2005078915A1 Voltage controlled oscillator
08/25/2005US20050186912 Radio communication quality measuring apparatus, radio communication quality measuring method and radio base station
08/25/2005US20050185702 Method of eliminating false echoes of a signal and corresponding rake receiver
08/25/2005US20050185605 Pilot-based channel estimation method for MC-CDMA system using frequency interleaving
08/25/2005US20050184888 Generation and detection of non-binary digital sequences
08/25/2005CA2756794A1 Apparatus and method for allocating ovsf codes and i/q channels for reducing peak-to-average power ratio in transmitting data via enhanced up-link dedicated channels in wcdma systems
08/24/2005EP1566909A1 Method and device for downlink radio communication using non-orthogonal codes
08/24/2005EP1566895A2 Target value control for transmission power control
08/24/2005EP1068755B1 A system and method for facilitating a handoff
08/24/2005CN1659796A Amplitude and phase unbanlance calibrating and compensation in orthogonal receiver
08/24/2005CN1658544A Transmitting/receiving apparatus and method for packet retransmission in a mobile communication system
08/24/2005CN1658542A Method for setting wireless access load
08/24/2005CN1658541A Data transmission method based on high-speed down packet access
08/24/2005CN1658534A Pilot sequence for frame synchronization and frame synchronization method and device therefor
08/24/2005CN1658527A Target value control system for transmission power control and method thereof and base station and mobile communication terminal
08/24/2005CN1216465C Adaptive rate power control CDMA system
08/23/2005US6934556 Transmission power correcting method, mobile communications system and mobile station
08/23/2005US6934321 W-CDMA transmission rate estimation method and device
08/23/2005US6934275 Apparatus and method for providing separate forward dedicated and shared control channels in a communications system
08/23/2005US6934271 Support of multiuser detection in the downlink
08/23/2005US6934264 Method and apparatus for acknowledging a reception of a data packet in a CDMA communication system
08/23/2005CA2371556C Dpch multiplexing apparatus and method for outer loop power control in a w-cdma communication system
08/23/2005CA2265937C Simultaneous plural code series generator and cdma radio receiver using same
08/18/2005US20050181802 Base station control apparatus and frequency allocation method for same
08/18/2005US20050180515 Communication apparatus and communication method
08/18/2005US20050180384 System and method for providing additional channels to an existing communications device
08/18/2005US20050180375 System and method for channelization and data multiplexing in a wireless communication network
08/18/2005US20050180365 Code allocation based on cross code correlation
08/18/2005US20050180363 Transmitting apparatus with bit arrangement method
08/17/2005EP1565029A2 Optimized radio resource allocation in a wireless communication system
08/17/2005EP1565018A2 Base station control apparatus and frequency allocation method for same
08/17/2005EP1564954A2 Transmitting apparatus with bit arrangement method
08/17/2005EP1564923A1 Apparatus and method for transmitting control information in a mobile communication system
08/17/2005EP1564921A2 Method of matching resources required and resources allocated in a mobile radio system
08/17/2005EP1564912A1 Radio communication system, communication terminal device, base station device, and radio communication method
08/17/2005EP1564904A1 Efficient spreader for spread spectrum communication systems
08/17/2005EP1510081A4 System and method for call admission control
08/17/2005EP1016234B1 A method of and apparatus for transmitting data in a multiple carrier system
08/17/2005CN1656847A Wireless base station
08/17/2005CN1656845A Method and apparatus for determining how often a message is transmitted on a paging channel to a mobile station
08/17/2005CN1656843A Handoff between base stations of different protocol revisions in a CDMA system
08/17/2005CN1656827A System and method for call admission control
08/17/2005CN1656825A Method and system for control of congestion in CDMA systems
08/17/2005CN1656727A Acknowledging broadcast transmissions