Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
06/2000
06/08/2000WO2000033491A1 Test facility for transceiver station
06/08/2000WO2000033473A1 Detection of mutually orthogonal codewords, with intersymbol interference and imperfect timing
06/08/2000WO2000033174A1 Digital value processor
06/08/2000WO2000019640A9 Method for fdma transmission
06/08/2000WO2000014904A3 Method and radio communication system for synchronizing subscriber stations
06/08/2000WO2000013337A3 Method and apparatus for reducing amplitude variations in communication signals employing inserted pilot symbol
06/08/2000CA2352846A1 Digital value processor
06/08/2000CA2292331A1 Communication terminal apparatus and radio communication method
06/07/2000EP1006687A1 Spread spectrum address coding
06/07/2000EP1006675A2 Pilot signal detection in a radio communication terminal apparatus
06/07/2000EP1006437A1 Digital value processor for estimating the square of a digital value
06/07/2000EP1005775A1 Method and apparatus for reverse link rate scheduling
06/07/2000EP1005726A2 TURBO ENCODING/DECODING DEVICE AND METHOD FOR PROCESSING FRAME DATA ACCORDING TO QoS
06/07/2000CN1256036A Data communication method in mobile communication system
06/07/2000CN1256033A Data communication device and method for mobile communication system with dedicated control channel
06/07/2000CN1256031A Device and method for providing time switched transmission diversity in mobile communication system
06/07/2000CN1255822A Two-wire circuit equipment
06/07/2000CN1255792A Device in CDMA cellular mobile ratio system
06/07/2000CN1255790A Method and system for controlling searching device in code division multi-rute access system
06/06/2000US6072822 Terminal unit for use with radio system and searching method
06/06/2000US6072802 Initial synchronization method in code division multiple access reception system
06/06/2000US6072785 Differential PSK signalling in CDMA networks
06/06/2000CA2203555C A method and apparatus for controlling calls in a code division multiple access system
06/06/2000CA2125969C Spread-spectrum data publishing system
06/02/2000WO2000032007A1 Atm telecommunication method whereby the terminals transmit to a common station
06/02/2000WO2000031904A1 Method and apparatus for spreading and despreading data in a spread-spectrum communication system
06/02/2000WO2000031622A1 Fast slewing pseudorandom noise sequence generator
06/02/2000WO2000014915A3 Method for forming or detecting a signal sequence and transmitter unit and receiver unit
05/2000
05/31/2000EP1005202A2 Frequency modulation circuit
05/31/2000EP1005178A2 Cell searching method in asynchronons wideband code division multiple access system
05/31/2000EP1005177A2 Method and apparatus for controlling a searcher in a CDMA communication system
05/31/2000EP1004216A1 Method of sending time slots in base station system and such a system
05/31/2000EP0832526B1 Cdma communication system in which bit rates are dynamically allocated
05/31/2000CN1255225A Subscriber handoff between multiple access communications system
05/31/2000CN1254998A Radio communication equipment and method for lowering its energy consumption
05/31/2000CN1254996A Frequency modulation circuit
05/31/2000CN1254994A Method for automatic frequency control of moving station in waiting mode
05/30/2000US6069884 Method of communication between a base station and a plurality of mobile unit communication apparatus, a base station, and mobile unit communication apparatus
05/30/2000US6069883 Code division multiple access system providing enhanced load and interference based demand assignment service to users
05/30/2000US6069574 Hadamard code generation circuit
05/30/2000CA2184184C Apparatus and method for establishing acquisition of spreading code in cdma transmission system
05/25/2000WO2000030390A1 Dedicated control channel handoff in cdma communication system
05/25/2000WO2000030384A1 Method and arrangement for measuring and predicting of radio conditions in a communications system
05/25/2000WO2000030282A1 Code-based optical networks, methods, and apparatus
05/25/2000WO2000030280A1 Channel spreading device and method for cdma communication system
05/25/2000WO2000030279A1 Combiner
05/25/2000WO2000029887A1 Codes, methods, and apparatus for optical encoding and decoding
05/25/2000DE19955564A1 Appliance for analyzing wide band code division multiple access communication systems includes a frequency conversion unit and a signal analyzer
05/24/2000EP1003296A2 Base station power control method and system capable of smoothly executing handoff
05/24/2000EP1002434A2 Device for transmitting data to mobile radio telephone networks
05/24/2000EP1002381A2 Handoff method in a mobile communication system supporting transmission diversity
05/24/2000EP0292487B2 Spread-spectrum multiplexed transmission system
05/24/2000CN1254487A Random access in mobile telecommunications system
05/24/2000CN1254459A Data transfer method and system in low voltage networks
05/24/2000CN1254225A Transmitting power control method using one pilot code element mode
05/24/2000CN1254223A Code-division multiple address communication equipment and method
05/23/2000US6067442 Satellite communications system having distributed user assignment and resource assignment with terrestrial gateways
05/23/2000US6067333 Adaptive serial and parallel mixed interference cancellation method
05/23/2000US6067313 Wireless communications system for transmitting and receiving data with increased data rates and robustness
05/23/2000US6067293 Receiver
05/23/2000US6067049 Reception apparatus
05/23/2000CA2254556A1 Device and method for the synchronization of pseudo-random sequences
05/18/2000WO2000028692A1 Method and apparatus for providing high quality transmissions in a telecommunications system
05/18/2000WO2000028662A1 Digital filter with parallel architecture and spread-spectrum signal receiver using same
05/18/2000WO2000010261A3 Changing a faulty radio channel
05/18/2000CA2349710A1 Method and apparatus for providing high quality transmissions in a telecommunications system
05/17/2000EP1001568A2 Method and apparatus for generating a complex scrambling code sequence
05/17/2000EP1001567A1 Combiner
05/17/2000EP1001560A1 Synchronisation in a CDMA telecommunications system
05/17/2000EP1001557A2 Base station apparatus and radio communication method with path diversity
05/17/2000EP1001555A2 System and method of controlling transmission electric power in a CDMA base station
05/17/2000EP1001368A2 Technique for superimposing and transmitting digital watermark information
05/17/2000EP1000476A2 Method and radio station for transmitting data
05/17/2000EP1000473A2 Communication using spread spectrum methods over optical fibers
05/17/2000EP1000472A2 Method and radio station for transmitting data
05/17/2000EP1000471A2 Method and apparatus for data transmission using time gated frequency division duplexing
05/17/2000CN1253704A Method for channel allocation
05/17/2000CN1253436A Base station apparatus and wireless communication method
05/17/2000CN1253433A Channel characteristics inference device
05/17/2000CN1253429A Code division multi address emissive power control capable of avoiding calling interruption and decline of user capacity
05/17/2000CN1253420A Rayke receiver and speed detecting circuit
05/17/2000CN1052592C Smooth spectrum spreading with small spreading factor
05/16/2000US6064664 Base-band interleaver for code division multiple access mobile telecommunication system
05/16/2000US6064663 Cellular CDMA data link utilizing multiplexed channels for data rate increase
05/16/2000US6064662 System and method for optimizing spectral efficiency using time-frequency-code slicing
05/13/2000CA2289406A1 Digital watermark information superimposing method, digital watermark information transmitting method, digital watermark information superimposing apparatus, authoring apparatus and video signal output apparatus
05/11/2000WO2000027158A1 Idle mode handling in a hybrid gsm/cdma network
05/11/2000WO2000027062A1 Multi-user receiver
05/11/2000WO2000027052A1 Slotted mode code usage in a cellular communications system
05/11/2000WO2000027049A1 Cdma radio communication system
05/11/2000WO2000027043A1 Device and method for generating short pn code in mobile communication system
05/11/2000WO2000027042A1 Mobile station receiving method and mobile station receiver
05/11/2000WO2000010335A3 Device and method for multiplexing physical channel in cdma communication system
05/11/2000CA2350251A1 Idle mode handling in a hybrid gsm/cdma network
05/11/2000CA2346785A1 Mobile station receiving method and mobile station receiver
05/10/2000EP0999669A1 Method and apparatus for diversity reception of user messages with different forward error correction
05/10/2000EP0999668A2 A method and apparatus for achieving channel variability in spread spectrum communication systems
05/10/2000EP0999657A2 CDMA transmission power control capable of preventing call disconnection and degradation of capacity of subscribers
05/10/2000EP0999651A2 Channel characteristics estimation apparatus
05/10/2000EP0998797A2 Device and method for controlling transmission power of punctured frame