Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
03/2002
03/20/2002EP1188262A1 Method of supporting power control on dcch in bs
03/20/2002EP1188260A1 Cell search procedure for time division duplex communication systems using code division multiple access
03/20/2002EP1188249A1 Spread-spectrum gmsk/m-ary radio with oscillator frequency correction
03/20/2002EP1188248A1 Apparatus and method for spreading channel data in cdma communication system using orthogonal transmit diversity
03/20/2002EP1187576A1 Accelerated selection of a base station in a wireless communication system
03/20/2002EP1187574A1 Data transmission within a spread-spectrum communication system
03/20/2002EP1142132A4 Device and method for convolutional encoding in digital system
03/20/2002EP1078457B1 Sequence generator
03/20/2002EP1023787B1 A method of and a system for voice and data radio communication providing improved interference diversity
03/20/2002CN1341340A Method and system for reducing synchronization time in CDMA wireless communicaltion system
03/20/2002CN1341339A Method and system for handoff between asynchronous CDMA base station and synchronous CDMA base station
03/20/2002CN1341336A Time sharing of communications resources in cellular communicaltions systems
03/20/2002CN1341306A Interfering signal removing device and interfering signal removing method
03/20/2002CN1341305A Apparatus and method for transmitting and receiving data in CDMA communication system
03/20/2002CN1341300A CDMA terminal and CDMA communication method
03/20/2002CN1341298A Method for generating complex quasi-orthogonal code and apparatus and method for spreading channel data using the quasi-orthogonal code in CDMA communication system
03/20/2002CN1340933A Method for processing signal in communication system with several antennas
03/20/2002CN1340931A Array receiving method and device for CDMA wireless communication system
03/20/2002CN1340926A Training and synchronous sequence in multi-emitting and multi-receiving antenna CDMA and TDMA system
03/20/2002CN1081416C Frame structure realizing method suitable for wide-band code division multiple access signal transmission
03/20/2002CN1081408C Method for determining weighting coefficients in CDMA radio receiver
03/19/2002US6360052 Method and device for adding information to video signal, method and device for detection information from video signal, and recording medium
03/19/2002US6359905 Method and apparatus of detecting spectrum spread signal
03/19/2002US6359874 Partially block-interleaved CDMA coding and decoding
03/19/2002US6359868 Method and apparatus for transmitting and receiving data multiplexed onto multiple code channels, frequencies and base stations
03/14/2002WO2002021745A1 Radio communication terminal and interference canceling method
03/14/2002WO2002021744A1 Ofdm modem system
03/14/2002WO2002021729A2 Method and apparatus for processing a physical channel with partial transport format information
03/14/2002WO2002021727A1 Base station apparatus and communication method
03/14/2002US20020031196 Synchronisation
03/14/2002US20020031169 Method for updating linear feedback shift register of code generator
03/14/2002US20020031167 Orthogonal code generation apparatus, scrambling code generation apparatus and portable radio terminal using such apparatus
03/14/2002US20020031140 Method and system for enhancing channel capacity in a point to multipoint radio communications system having different kinds of terminals
03/14/2002US20020031082 Method and apparatus for providing orthogonal spot beams, sectors, and picocells
03/14/2002US20020030874 Transmitting/receiving facility and method for transmitting broadband signals as well as transmitting/receiving facility for receiving broadband signals
03/14/2002CA2389215A1 Base station apparatus and communication method
03/13/2002EP1187410A1 Training sequences for low-latency LMS implementation
03/13/2002EP1187371A1 Code space sharing among multiple modes of operation
03/13/2002EP1187359A2 Spread spectrum communication device and spread spectrum communication method
03/13/2002EP1187358A2 Spread spectrum communication device and spread spectrum communication method
03/13/2002EP1186125A1 Method for measuring confusion rate of a common packet channel in a cdma communication system
03/13/2002EP0647380B1 Non-continuous transmission for seamless handover in ds-cdma systems
03/13/2002CN1340256A System and orthogonal coding in a telecommunications environment using orthogonal and near-orthogonal codes
03/13/2002CN1339887A Ratio Eb/I method and communication system in equalizing service multiple CDMA system
03/13/2002CN1339885A Mobile CDMA communication method for increasing space-time transmission diversity
03/13/2002CN1080978C Mobile radio communication system
03/13/2002CN1080975C 数据传输方法以及基站 Data transmission method and a base station
03/13/2002CN1080965C A CDMA communications method and system
03/13/2002CN1080963C CDMA communication method and spread spectrum communication system
03/13/2002CN1080959C Method and apparatus for power estimation in a communication system
03/12/2002US6356607 Preamble code structure and detection method and apparatus
03/12/2002US6356555 Apparatus and method for digital data transmission using orthogonal codes
03/12/2002CA2072876C Diversity receiver in a cdma cellular telephone system
03/07/2002WO2002019560A1 Cdma based transmitter for producing particular pilot signal for changing call mode and wireless communication terminals corresponding to the same
03/07/2002WO2001063781A3 Reverse link initial power setting
03/07/2002WO2001013541A3 Method for deep paging
03/07/2002US20020027947 Common packet channel
03/07/2002US20020027946 Method for adaptive reverse power control for spread-spectrum communications
03/07/2002US20020027898 Cell search method and apparatus for mobile station in mobile communication system
03/07/2002US20020027892 CDMA base transceiver system
03/07/2002US20020027891 Cellular radio system allowing mobile station to perform communication through base station to which mobile station is connected over CDMA radio channel, and base station apparatus and mobile station apparatus which are used for cellular radio system
03/07/2002US20020027883 Method for balancing the ratio Eb/I in a service multiplexing CDMA system and telecommunication systems using same
03/06/2002EP1185016A1 Multiplex communication system and method of signal processing
03/06/2002EP1185009A2 Leak power ratio detection circuit, mobile communication terminal, and control circuit for mobile communication terminal
03/06/2002EP1185002A2 Method for processing signals in communication systems having plurality of antennas
03/06/2002EP1184995A2 Cell search method and apparatus for mobile station in mobile communication system
03/06/2002EP1184994A2 CDMA Base station system
03/06/2002EP1184992A2 Spread spectrum communication device and spread spectrum communication method
03/06/2002EP1184975A1 Gain control device
03/06/2002EP1183892A1 Channel assignment in a spread spectrum cdma communication system
03/06/2002EP1183842A1 A multiple access communication system using chaotic signals and method for generating and extracting chaotic signals
03/06/2002EP1183807A1 Method and apparatus for long code generation in synchronous, multi-chip rate systems
03/06/2002EP1183806A1 Apparatus and method for gated transmission in cdma communication system
03/06/2002EP1183795A1 Method and apparatus for acquisition of a spread-spectrum signal
03/06/2002CN1339205A Transmission and receiving using spreading modulation for spread spectrum communications and thereof apparatus
03/06/2002CN1339202A Apparatus and methods for interference cancellation in spread spectrum communication system
03/06/2002CN1338882A Method for controlling load of communication business in mobile wireless networks
03/06/2002CN1338844A Device and method for optimizing network transmitting power
03/06/2002CN1338836A Physical quantities display device, method and recording media for multiple signal physical quantities
03/06/2002CN1080527C Mobile radio system or improvement thereof
03/05/2002US6353643 Smart antenna receiver using pilot signal in CDMA mobile communication system and signal receiving method therefor
03/05/2002US6353604 Apparatus and method for synchronizing an SCDMA upstream or any other type upstream to an MCNS downstream or any other type downstream with a different clock rate than the upstream
02/2002
02/28/2002WO2002017585A1 Method, transmitter and receiver for spread-spectrum digital communication by golay complementary sequence modulation
02/28/2002WO2002017532A1 Base station apparatus, communication terminal apparatus and communication method
02/28/2002WO2002017530A1 Communication device and communication method
02/28/2002WO2002017512A1 Transmit diversity apparatus and method using two or more antennas
02/28/2002WO2001071963A3 Coding and spreading technique for communications systems
02/28/2002US20020025820 Method of controlling a channel between a radio terminal and a cellular radiocommunication infrastructure, and access network implementing such a method
02/28/2002US20020025789 Leak power ratio detection circuit, mobile communication terminal, and control circuit for mobile communication terminal
02/28/2002US20020024701 Optical CDMA switch architecture and method
02/28/2002DE10040447A1 Verfahren zur Kanalschätzung in einem Funksystem, insbesondere einem Mobilfunksystem A method for channel estimation in a radio system, especially a mobile radio system
02/27/2002EP1182898A1 Communication terminal and radio communication method
02/27/2002EP1182895A1 Method and apparatus for performing a voice dispatch call in a digital communication system
02/27/2002EP1182815A1 Matched filter and method for determining correlation
02/27/2002EP1182814A1 Transmitting apparatus and gain compensating method
02/27/2002EP1182813A1 Method and circuit for generating spreading codes
02/27/2002EP1182804A1 Transmission power control device and transmission power control method
02/27/2002EP1182799A2 Method for enhancing mobile cdma communications using space-time transmit diversity
02/27/2002EP1182798A1 A channel assisted power control technique
02/27/2002EP1049349B1 CDMA soft handover method using uplink measurements