Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
05/2000
05/30/2000US6069883 Code division multiple access system providing enhanced load and interference based demand assignment service to users
05/30/2000US6069881 Method and apparatus for detecting and dealing with malfunctioning CDMA wireless terminals
05/30/2000US6069880 Method and apparatus for scanning other frequency pilot signals in a code division multiple access communication system
05/30/2000US6069874 Radio communication apparatus wherein alert of message omission is not carried out erroneously
05/30/2000US6069871 Traffic allocation and dynamic load balancing in a multiple carrier cellular wireless communication system
05/30/2000US6069721 Radio frequency control circuit of base station of mobile communications systems
05/30/2000US6069591 Diversity antenna system
05/30/2000US6069462 Remote control antenna rotor system
05/30/2000CA2231546C Hybrid energy storage system
05/30/2000CA2197131C Adaptive hybrid arq coding schemes for slow fading channels in mobile radio systems
05/26/2000CA2290116A1 Process for reception of voice signals by a mobile telephone
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
05/25/2000WO2000030367A2 Methods and apparatus for multipoint-to-multipoint hierarchical redistribution of multimedia content
05/25/2000WO2000030328A1 Method for the power-saving operation of communication terminals in a communication system especially in a wireless communication systems
05/25/2000WO2000030301A1 System for establishing a transmission sequence for plural terminals in a wireless network
05/25/2000WO2000030290A1 Device and method for receiving with at least two reception channels, and corresponding use
05/25/2000WO2000030280A1 Channel spreading device and method for cdma communication system
05/25/2000WO2000030278A1 Data multiplexing device and data multiplexing method, and data transmitter
05/25/2000WO2000030276A1 Radio communication device and transmission antenna switching method
05/25/2000WO2000030275A1 A method for improved channel impulse response estimation in tdma systems
05/25/2000WO2000030274A1 A method for modifying the channel impulse response in tdma systems
05/25/2000WO2000030271A1 Synchronization method and apparatus employing partial sequence correlation
05/25/2000WO2000029837A1 Radiation receiving apparatus
05/25/2000DE19854177A1 Verfahren und Vorrichtung zum Ermitteln von gestörten oder belegten Frequenzkanälen in einem Mobilfunknetz Method and apparatus for detecting faulty or occupied frequency channels in a cellular network
05/25/2000DE19850654C1 Function test method for transmission and reception path e.g. for GSM
05/25/2000CA2317586A1 Radio communication apparatus and transmission antenna changing method
05/24/2000EP1003311A2 Modulation, demodulation and antenna coupling circuits used in IC card reading/writing apparatus, and method of supplying power to the IC card
05/24/2000EP1003303A2 Device and method for time-division multiple access radio communication with data reception acknowledgement
05/24/2000EP1003302A2 Data packet multi-access communicating method and transmitting and receiving apparatus therefor
05/24/2000EP1003298A1 Adaptive directivity transmission device and method
05/24/2000EP1003297A2 Transmit diversity and reception equalization for radio links
05/24/2000EP1003296A2 Base station power control method and system capable of smoothly executing handoff
05/24/2000EP1003293A1 Process for synchronizing at least two time bases each belonging to a base station and base station thus synchronized
05/24/2000EP1002438A1 A method and an arrangement supporting propagation delay compensation
05/24/2000EP1002434A2 Device for transmitting data to mobile radio telephone networks
05/24/2000EP1002410A1 A distributed system and method for prefetching objects
05/24/2000EP1002389A2 Method of timestamp synchronization of a reservation-based tdma protocol
05/24/2000EP1002381A2 Handoff method in a mobile communication system supporting transmission diversity
05/24/2000EP1002380A2 Communications apparatus and methods for adaptive signal processing based on mobility characteristics
05/24/2000EP1002379A2 Method and apparatus for predictive parameter control with loop delay
05/24/2000EP1002377A1 Method and device for synchronising carrier frequencies in a mobile telephone on carrier frequencies of a fixed station
05/24/2000EP1002375A1 Method and device for producing a random number sequence for carrier frequencies in a mobile radiotelephone system
05/24/2000EP1002374A1 Method and device for producing a carrier frequency sequence
05/24/2000EP1002370A1 Data transmission method and system
05/24/2000EP1002343A2 Device and method for controlling channel access by access slot reserving in a mobile communication system
05/24/2000EP1002272A1 Method and apparatus for adaptive control of forward error correction codes
05/24/2000CN1254489A Method and home base station to set up a link for mobile station
05/24/2000CN1254487A Random access in mobile telecommunications system
05/24/2000CN1254484A A method for determining timing differences between radio transmitters and radio network incorporating the same
05/24/2000CN1254475A Method of downloading of data to MPEG receiver/decoder and MPEG transmission system for implementing the same
05/24/2000CN1254472A Broadcast and reception system, and receiver/decoder and remote controller
05/24/2000CN1254462A Method and apparatus for transmission and reception of transmission rate in CDMA communication system
05/24/2000CN1254461A Power control of RF signals with booster module
05/24/2000CN1254460A Method and apparatus for controlling transmission power in communication system
05/24/2000CN1254458A Hand-held cellular telephone with power management features
05/24/2000CN1254448A Antenna system for nonsynchronous satellite group terminal
05/24/2000CN1254447A Antenna system, in particular for pointing moving nonsynchronous satellites
05/24/2000CN1254245A Data communication channel distribution method of wide-band wireless multi-media communication system
05/24/2000CN1254243A Calling processing method in cellular system
05/24/2000CN1254225A Transmitting power control method using one pilot code element mode
05/24/2000CN1254224A Radio signal selective calling receiver and its data receiving method
05/24/2000CN1254223A Code-division multiple address communication equipment and method
05/24/2000CN1254222A Transmitting power control method of code-division multiple address communication system and its system
05/24/2000CN1052836C Method and apparatus of frequency generation for use with digital cordless telephone
05/24/2000CA2289793A1 Method and apparatus for a sectored cell of a cellular radio communications system
05/23/2000US6067479 FM translator unobtrusive audio segment insertion system
05/23/2000US6067458 Method and apparatus for pre-transmission power control using lower rate for high rate communication
05/23/2000US6067453 Satellite-based direct access telecommunications systems
05/23/2000US6067452 Technique for least cost routing for mobile satellite systems employing a GSM network infrastructure
05/23/2000US6067450 Pager eliminating intermodulation
05/23/2000US6067449 Antenna selection control circuitry
05/23/2000US6067446 Power presetting in a radio communication system
05/23/2000US6067443 Communicator for a telephone system
05/23/2000US6067333 Adaptive serial and parallel mixed interference cancellation method
05/23/2000US6067324 Method and system for transmitting and demodulating a communications signal using an adaptive antenna array in a wireless communication system
05/23/2000US6067315 Method and apparatus for coherently-averaged power estimation
05/23/2000US6067295 Method and apparatus for reducing error in recovering information bits in a wireless system
05/23/2000US6067294 Wireless communication system and wireless communication apparatus
05/23/2000US6067293 Receiver
05/23/2000US6067292 Pilot interference cancellation for a coherent wireless code division multiple access receiver
05/23/2000US6067291 Wireless local area network with enhanced carrier sense provision
05/23/2000US6067290 Spatial multiplexing in a cellular network
05/23/2000US6067082 Portable communicator
05/23/2000US6067055 Polarization diversity antenna array
05/23/2000US6067049 Reception apparatus
05/23/2000CA2184938C Code division multiple access mobile communication system
05/23/2000CA2046316C Method of effecting channel estimation for a fading channel when transmitting symbol sequences
05/18/2000WO2000028763A1 Reservation multiple access in a cdma communications system
05/18/2000WO2000028761A1 Method and arrangement for optimal scheduling of slotted-mode related measurements in a cellular radio system
05/18/2000WO2000028750A2 Method and system for broadcasting large short messages
05/18/2000WO2000028749A1 Method and system for restoring a subscriber context
05/18/2000WO2000028744A2 Frame synchronization mechanism
05/18/2000WO2000028742A1 Signalling of bouquet information in a digital transmission system
05/18/2000WO2000028694A1 Bandwidth efficient qam on a tdm-fdm system for wireless communications
05/18/2000WO2000028693A1 Method and apparatus for performing error correction by combining two instances of a message
05/18/2000WO2000028687A1 Ofdm transmitting/receiving device and method
05/18/2000WO2000028679A1 Method and apparatus for cross polarized isolation in a communication system
05/18/2000WO2000028678A1 Satellite system
05/18/2000WO2000028675A1 Motion estimator for a cdma mobile station