Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
12/1997
12/31/1997CN1169221A High speed data transmission in mobile communication system
12/31/1997CN1169091A Electronic card reader for reading cards of different formats, and portable telephone including such reader
12/31/1997CN1169088A Method for accessing cell using two pilot channels in CDMA communication system of asynchronous or quasi-synchronous mode
12/31/1997CN1169070A Communication resource allocation method and apparatus
12/31/1997CN1036885C Method and apparatus for inserting sound signal into synchronous and compressed data signal
12/31/1997CN1036884C Method and apparatus for transmission power regulation in a radio system
12/31/1997CA2818770A1 Method and subscriber unit for performing an access procedure
12/31/1997CA2676866A1 Method and subscriber unit for performing an access procedure
12/31/1997CA2434522A1 Efficient multichannel filtering for cdma
12/31/1997CA2258346A1 Methods for generating side information in the presence of time-selective fading
12/30/1997US5703930 Personal mobile communication system with call bridging
12/30/1997US5703902 Method and apparatus for determining signal strength in a variable data rate system
12/30/1997US5703881 Multi-subscriber unit for radio communication system and method
12/30/1997US5703874 Broadband CDMA overlay system and method
12/30/1997US5703873 Method and apparatus for synchronizing subscriber equipment with base stations in a CDMA radio network
12/30/1997US5703595 In a communication system
12/29/1997EP0814624A2 CDMA communication system having means for controlling access in dependence on communication quality
12/29/1997EP0814607A2 Television receiver, antenna diversity controller, circuits for stabilizing luminance, chrominance and synchronizing signals and a method for transmitting a television signal
12/29/1997EP0814581A2 CDMA communication method and group spreading modulator
12/29/1997EP0814577A1 Interface unit for a mobile radio communication network
12/29/1997EP0814576A1 Non-geostationary satellite constellation with permanent coverage
12/29/1997EP0814575A1 Equalizer-combiner for a diversity receiver, receiver and corresponding diversity reception method
12/29/1997EP0814572A2 CDMA system mobile communication receiver
12/29/1997EP0814346A1 GPS downloadable interface locator
12/29/1997EP0813800A1 Communication system including method and apparatus for maintaining communications with a mobile terminal
12/29/1997EP0813780A1 High-speed data transmission in mobile communication networks
12/29/1997EP0813779A1 High-speed data transmission in mobile communication networks
12/29/1997EP0813775A1 Method and apparatus for mobile station-to-mobile station calls in a mobile satellite communications system with on-board tdma format conversion
12/29/1997EP0813698A1 Synchronization system for a shared channel communication system
12/29/1997EP0813689A1 Differential ranging for a frequency-hopped remote position determination system
12/29/1997EP0813479A1 Method and apparatus for monitoring parameters of vehicle electronic control units
12/29/1997EP0781429A4 Micro personal digital assistant
12/29/1997EP0611491B1 Spacecraft antennas and beam steering methods for satellite communication system
12/29/1997EP0606272B1 Simulcast synchronization and equalization system and method therefor
12/28/1997CA2209196A1 Cellular radio system
12/28/1997CA2207699A1 Switching means for use on-board a spacecraft
12/27/1997CA2208921A1 Digital mobile telephone
12/24/1997WO1997049258A1 Adaptive capacity and quality improvements in cellular radio services by the removal of strong interference sources
12/24/1997WO1997049240A1 Video communication network
12/24/1997WO1997049202A1 Signal transmitting method, mobile station device, and base station device for cdma mobile communication system
12/24/1997WO1997049201A1 Medium access control scheme for data transmission on code division multiple access (cdma) wireless systems
12/24/1997WO1997049200A1 Communication protocol for spread spectrum wireless communication system
12/24/1997WO1997049199A2 Transmitter diversity assembly and associated method for radio transmitter
12/24/1997WO1997049198A1 Method and apparatus for adaptive quality adjustment in a telecommunication system
12/24/1997WO1997049197A1 Control of transmission power in wireless packet data transfer
12/24/1997WO1997049195A1 Method for transmitting a pilot signal, and a cellular radio system
12/24/1997WO1997049190A2 Universal communications system for space applications
12/24/1997WO1997044983A3 Method and apparatus for providing diversity in hard handoff for a cdma system
12/24/1997WO1997037456A3 Using orthogonal waveforms to enable multiple transmitters to share a single cdm channel
12/24/1997CN1168757A Up link macro diversity method and apparatus in a digital mobile radio communication system
12/24/1997CN1168756A A radio telecommunication system
12/24/1997CN1168751A Method for substituting bar speech frames in digital communication system
12/24/1997CN1168616A Radio characteristic evaluating apparatus of mobile telecommunication device
12/24/1997CN1168615A Radio communication apparatus with adjustable alert tone
12/24/1997CN1168613A Digital cordless telephone system
12/24/1997CN1168612A Method and apparatus for signal transmission in CDMA mobile communication system
12/24/1997CN1168610A Transmission control system capable of carrying on a pair of multidata transmission through radio group communication
12/24/1997CN1168606A Method for transmitting paging signal simultaneously in paging system
12/24/1997CN1168587A Line arrangement using for line matching and echo suppressing
12/24/1997CN1168582A 分集接收机 Diversity Receiver
12/24/1997CN1168580A Apparatus for infrared channel and method therefor
12/24/1997CN1168577A Radio communication apparatus for synthesizing radio
12/24/1997CN1168576A Adaptive equalizer for controlling step size in proportion to estimated delay of received signals
12/24/1997CA2258621A1 Adaptive capacity and quality improvements in cellular radio services by the removal of strong interference sources
12/24/1997CA2258230A1 Method and apparatus for adaptive quality adjustment in a telecommunication system
12/23/1997US5701603 Radio apparatus having a plurality of antennas
12/23/1997US5701602 For controlling frequency of an input signal
12/23/1997US5701597 Portable electronic device and method for supplying current to different loads
12/23/1997US5701596 Modular interconnect matrix for matrix connection of a plurality of antennas with a plurality of radio channel units
12/23/1997US5701595 Half duplex RF transceiver having low transmit path signal loss
12/23/1997US5701592 Method and system for desynchronizing overhead messages in a radiocommunication system
12/23/1997US5701591 Multi-function interactive communications system with circularly/elliptically polarized signal transmission and reception
12/23/1997US5701589 Method for adjusting reference frequencies in a communication system
12/23/1997US5701584 Cellular mobile radio system having a frequency reuse plan with partially identical patterns
12/23/1997US5701583 Land-based wireless communications system having a scanned directional antenna
12/23/1997US5701579 Modular antenna driver including removable modules each characteristic of a handset type
12/23/1997US5701333 Diversity receiver in which reception characteristics can be improved
12/23/1997US5701298 Automatic retransmission request
12/23/1997CA2100847C Precoding of signature sequences for cdma systems
12/23/1997CA2089620C Carrier regenerating device correctly operable in mobile satellite communication
12/21/1997CA2209003A1 Equalizer-combiner for diverse receiver, receiver incorporating such an equalizer-combiner, and corresponding diverse reception process
12/21/1997CA2208189A1 Portable emergency response communications system and method
12/18/1997WO1997048247A2 A method for allowing a mobile phone to receive a call through a wireless network for which it is not registered, for emergency purposes
12/18/1997WO1997048246A1 Method and apparatus for addressing a wireless communication station with a dynamically-assigned address
12/18/1997WO1997048244A1 Paging strategy for a mobile telecommunication system
12/18/1997WO1997048205A1 Method and apparatus of providing bit count integrity and synchronous data transfer over a channel which does not preserve synchronization
12/18/1997WO1997048202A1 Digital communication network
12/18/1997WO1997048190A1 Telecommunication system, as well as earth station, as well as telex exchange, as well as method
12/18/1997WO1997048188A1 Method and apparatus for communicating information
12/18/1997WO1997047987A1 Spoofing detection system for a satellite positioning system
12/18/1997DE19725438A1 Regelung der Übertragungsleistung bei drahtloser Paket-Datenübertragung Control the transmission power in wireless packet data transmission
12/18/1997DE19644430C1 Self=interference reduction in digital transmitter networks operated in continuous wave mode
12/18/1997CA2257980A1 Method and apparatus for communicating information
12/18/1997CA2257815A1 A method for allowing a mobile phone to receive a call through a wireless network for which it is not registered, for emergency purposes
12/17/1997EP0813318A2 Point to multipoint two-way communications system with frequency selection for base station
12/17/1997EP0813317A2 Method and apparatus for signal transmission in CDMA mobile communication system
12/17/1997EP0813316A1 Method of establishing a spatially normalized communication path in a networked communications system
12/17/1997EP0813314A2 Direct-sequence code division multiple access receiver
12/17/1997EP0813313A2 Mobile communication receiving apparatus
12/17/1997EP0813312A2 Multiband mobile unit communication apparatus