Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 7 - Radio transmission systems, i.e. using radiation field
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
10/1997
10/21/1997US5680063 Bi-directional voltage translator
10/16/1997WO1997038502A2 Systems and methods for random access in time division multiple access satellite radiotelephone communications
10/16/1997WO1997038501A2 Spread spectrum random access systems and methods for time division multiple access radiotelephone communications systems
10/16/1997WO1997038500A1 Paging cells & paging time plans for non-geostationary satellite systems
10/16/1997WO1997038499A1 Reduction of queuing delays by multiple subgroup assignments
10/16/1997WO1997038488A1 Method for automatically adjusting audio response for improved intelligibility
10/16/1997WO1997027695A3 Digital receiver with fractionally-spaced self-recovery adaptive equalizer
10/16/1997CA2250896A1 Paging cells & paging time plans for non-geostationary satellite systems
10/15/1997EP0801474A1 Booster
10/15/1997EP0801473A2 Methods and apparatus for high data rate transmission in narrowband mobile radio channels
10/15/1997EP0801472A1 Radio communication system between a vehicle and a roadside station
10/15/1997EP0800737A1 Multiple access digital transmitter and receiver
10/15/1997EP0800729A1 Synchronizing a telecommunication connection in a mobile communication system
10/15/1997CN1162379A Data transmission method in TDMA mobile communication system
10/15/1997CN1162377A Multiple band radio
10/15/1997CN1162376A Remote transmitter power control in CDMA communications system
10/15/1997CN1162373A Quadrature modulator with integrated distributed RC filters
10/15/1997CN1162230A Frequency error measuring device and radio equipment
10/15/1997CN1162223A Double-frequency-band receiver
10/15/1997CN1162221A Direct-changing receiver with wave filter with cut-off frequency switchover device
10/14/1997US5678228 Satellite terminal with sleep mode
10/14/1997US5678227 In a communication unit
10/14/1997US5678208 Transmission system
10/14/1997US5678203 Read/write terminal construction for an information receiving and transmitting device
10/14/1997US5678192 Radio system
10/14/1997US5678187 Method and apparatus for reducing interference in a radio communication link of a cellular communication system
10/14/1997US5678186 Digital microcells for cellular networks
10/14/1997US5678184 Method of pre-computation of candidate handoff cell list for cellular communications
10/14/1997US5678183 Mobile transmitter which does not cause a disruption of communication when moving between communication systems with different modulation schemes
10/14/1997US5678179 Message transmission system and method for a radiocommunication system
10/14/1997US5678177 RF repeaters for time division duplex cordless telephone system
10/14/1997US5678175 Satellite system using equatorial and polar orbit relays
10/14/1997US5678174 Communication system which predicts good opportunities for communication
10/14/1997US5678172 For communicating in two-way interactive broadcast data service
10/14/1997US5678171 Mobile receiver for satellite broadcast during flight
10/14/1997US5678050 Information processing system
10/14/1997US5677934 Multipath propagation compensation in a TDMA system
10/14/1997US5677932 Baseband estimator for estimating the amplitude/frequency characteristic of a multiphase signal
10/14/1997US5677930 Method and apparatus for spread spectrum channel estimation
10/14/1997US5677929 Automobile on-board and/or portable telephone system
10/14/1997US5677908 Hand-over method for mobile communication
10/14/1997CA2128883C Diversity antenna structure having closely-positioned antennas
10/14/1997CA2069236C Method of self-diagnosing a mobile telephone set for use in a mobile telephone switching system and mobile telephone set being applied the method
10/14/1997CA2012850C Transponder with selective antenna beam using shared antenna feed elements
10/09/1997WO1997037508A1 Apparatus and method for deriving a random reference number from paging and originating signals
10/09/1997WO1997037507A1 Circuitry and method for initiating communication between communication stations of a radio communication system
10/09/1997WO1997037505A1 Method and apparatus for reducing co-channel interference
10/09/1997WO1997037468A1 Channel estimation arrangement
10/09/1997WO1997037457A1 Multi-rate wireless communications system
10/09/1997WO1997037456A2 Using orthogonal waveforms to enable multiple transmitters to share a single cdm channel
10/09/1997WO1997037442A1 Method for providing a plurality of services in a communication system
10/09/1997WO1997037441A1 Method and apparatus for polarization diversity in a base station using a plurality of reception antennas
10/09/1997WO1997037440A1 Radio station with circularly polarised antennas
10/09/1997WO1997037439A1 Base station receiver with wideband channelizer and antenna diversity selection
10/09/1997WO1997037438A1 Pilot signal strength control for a low earth orbiting satellite communications system
10/09/1997WO1997037398A1 Antenna assembly for radiotelephonic device
10/09/1997WO1997032439A3 A communication network terminal supporting a plurality of applications
10/09/1997WO1997023047A3 Discrete phase locked loop
10/09/1997DE19635327C1 Time slot usage method esp. for wireless communications network
10/09/1997CA2249658A1 Radio station with circularly polarised antennas
10/09/1997CA2249388A1 Circuitry and method for initiating communication between communication stations of a radio communication system
10/09/1997CA2245737A1 Method and apparatus for polarization diversity in a base station using a plurality of reception antennas
10/08/1997EP0800321A2 Spread spectrum wireless telephone system
10/08/1997EP0800285A2 Method for adjusting the parameters of a receiving apparatus, as well as corresponding receiving apparatus and radio station
10/08/1997EP0800282A2 Wireless communication equipment for remote station
10/08/1997EP0799556A2 Method and system for desynchronizing overhead messages in a radiocommunication system
10/08/1997EP0799554A1 System for tdma mobile-to-mobile vselp codec bypass
10/08/1997EP0799552A1 Statistically robust traffic modeling method and apparatus
10/08/1997EP0799535A1 A practical means for digital generation and combination of a multiplicity of cdma/fdma signals
10/08/1997EP0799534A1 A method and system for delayed transmission of fast associated control channel messages on a voice channel
10/08/1997EP0799532A1 Base station
10/08/1997EP0799530A2 Dual-mode fm/cdma communication system
10/08/1997EP0799529A1 Interface for portable communications device
10/08/1997EP0705520B1 Cordless telephone system and zone switching control method
10/08/1997CN1161766A Transmission timing control in digital radio telephone
10/08/1997CN1161765A Method and apparatus for fast fourier transform based maximal ratio combining
10/08/1997CN1161750A Navigation information system
10/08/1997CN1161610A Radio subcriber unit having switched antenna diversity apparatus and method therefor
10/07/1997US5675611 Output power control and envelope shaping for a pulsed transmitter
10/07/1997US5675581 Simulating user interference in a spread spectrum communication network
10/07/1997US5675575 Method and apparatus for communicating different types of data in a data stream
10/07/1997US5675494 Vehicle-mounted unit for an automatic toll collection system that prevents double toll charging
10/07/1997US5675394 Equalization apparatus with effective coefficient updating operation
10/07/1997US5675245 Power detector using a constant quiescent voltage divider
10/02/1997WO1997036449A1 Method and apparatus for locating a digital control channel in a downbanded cellular radiocommunication system
10/02/1997WO1997036435A1 Methods and apparatus for communicating data via a cellular mobile radiotelephone system
10/02/1997WO1997036433A1 Point-multipoint radio transmission system
10/02/1997WO1997036412A1 Portable terminal equipment
10/02/1997WO1997036397A1 Method and apparatus for providing a multi-party speech connection for use in a wireless communication system
10/02/1997WO1997036388A1 Control channel synchronization between dbc and cellular networks
10/02/1997WO1997036387A1 Portable terminal equipment
10/02/1997WO1997036386A1 Portable terminal equipment
10/02/1997WO1997036385A1 Mobile communication device
10/02/1997WO1997036383A1 A rapid-acquisition access channel scheme for cdma systems
10/02/1997WO1997036382A1 Cdma power control
10/02/1997DE19612108A1 Punkt-zu-Mehrpunkt Funkübertragungssystem Point-to-multipoint radio transmission system
10/02/1997CA2250573A1 Method and apparatus for locating a digital control channel in a downbanded cellular radiocommunication system
10/02/1997CA2250094A1 Control channel synchronization between dbc and cellular networks
10/02/1997CA2195171A1 Method and apparatus for communications hand-off between multiple satellite systems
10/01/1997EP0798900A2 Multiplex data transmission system
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