Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
10/1998
10/27/1998US5828695 QAM system in which the constellation is modified in accordance with channel quality
10/27/1998US5828677 Adaptive hybrid ARQ coding schemes for slow fading channels in mobile radio systems
10/27/1998US5828662 Medium access control scheme for data transmission on code division multiple access (CDMA) wireless systems
10/27/1998US5828660 Multiple user communication system, device and method with overlapping uplink carrier spectra
10/27/1998US5828659 Time alignment of transmission in a down-link of CDMA system
10/27/1998US5828658 Spectrally efficient high capacity wireless communication systems with spatio-temporal processing
10/27/1998US5828657 Half-duplex echo canceler training using a pilot signal
10/27/1998US5828655 Hybrid access system with quality-based channel switching
10/27/1998US5828347 Universal communications system for space applications
10/27/1998US5828346 For emitting signals and receiving signals emitted from another card
10/27/1998US5828335 Spacecraft communication channel power control system
10/27/1998US5828248 Method and apparatus for generating a clock signal which is compensated for a clock rate thereof
10/22/1998WO1998047253A1 Cdma communication method
10/22/1998WO1998047249A2 Passenger aircraft entertainment system
10/22/1998WO1998047248A1 System for transmitting high-speed added-value services in terrestrial digital broadcasting
10/22/1998WO1998047246A1 Base station apparatus of mobile communication system
10/22/1998WO1998047245A1 Method for controlling communication of mobile equipment and mobile equipment
10/22/1998WO1998047244A2 Method of determining effect of radio wave multipath fading
10/22/1998WO1998047243A2 Circuitry and method for demodulating code division multiple access (cdma) signals
10/22/1998WO1998047241A1 Low earth orbit distributed gateway communication system
10/22/1998WO1998047240A1 Space-weighted communication path estimation
10/22/1998WO1998037650A3 Transmit/receive compensation in a discrete multitone spread spectrum system
10/22/1998WO1998037646A3 Method of estimating interference level in a radio system
10/22/1998WO1998035506A3 A very high data rate communications gateway for ground-space-ground communications
10/22/1998WO1998023040A3 Novel multi-access cs-p/cd-e system and protocols on satellite channels applicable to a group of mobile users in close proximity
10/22/1998WO1998019485A3 Combined beacon and traffic channel transmission
10/22/1998CA2485901A1 Base station apparatus of mobile communication system
10/22/1998CA2485891A1 Base station apparatus of mobile communication system
10/22/1998CA2484847A1 Base station apparatus of mobile communication system
10/22/1998CA2484842A1 Base station apparatus of mobile communication system
10/22/1998CA2286555A1 Space-weighted communication path estimation
10/22/1998CA2278755A1 Code division multiple access communication method
10/22/1998CA2232337A1 Adaptive antenna array processing arrangement using a combined coherent and constant-modulus reference signal
10/21/1998EP0873034A2 Handover method in a spread spectrum communication system
10/21/1998EP0873014A1 Process and system for distributing television signals
10/21/1998EP0872967A2 Method for establishing a radio chain in a radio network
10/21/1998EP0872966A2 Low earth orbit distributed gateway communication system
10/21/1998EP0872965A2 Mobile satellite communications system
10/21/1998EP0872964A1 Apparatus and method of achieving improved diversity reception in a digital radio communications system
10/21/1998EP0872962A2 Echo cancelling using foreground and background filters
10/21/1998EP0872148A1 Process and device for data transmission in a cellular radio system
10/21/1998EP0872145A1 A method for improving the reliability of a handover and call establishment, and a cellular radio system
10/21/1998EP0872143A1 System and method of locating a mobile terminal within the service area of a cellular telecommunication system
10/21/1998EP0872105A1 A method for providing a delivery confirmation of message deliveries made in a telephone network
10/21/1998EP0872062A2 Apparatus and method of controlling transmitting power and transmit rate of a wireless telecommunications system
10/21/1998EP0872061A1 A data transmission method, and a cellular radio system
10/21/1998EP0872047A1 High power short message service using tdma frames
10/21/1998EP0872046A1 Radio resource sharing in communication systems
10/21/1998EP0872044A1 Message fragmenting in a time diversity radio system
10/21/1998EP0872043A1 Aeronautical cellular network
10/21/1998EP0872042A1 Method and apparatus for delivering global event information in a radio communication system
10/21/1998EP0872041A1 Arrangement and method in a base station
10/21/1998EP0872040A1 A reception method and a receiver
10/21/1998EP0872039A1 Method for providing angular diversity, and base station equipment
10/21/1998EP0872038A1 Base station equipment, and a method for steering an antenna beam
10/21/1998EP0872037A1 Base station equipment, and a method for steering an antenna beam
10/21/1998EP0872036A1 A method for adjusting transmit power during call set-up, and a cellular radio system
10/21/1998EP0872032A1 Short-range magnetic communication system
10/21/1998EP0872027A2 Multi-branch frequency-hopping receiver
10/21/1998EP0872026A1 Apparatus and method of establishing and maintaining communication paths in a wireless telecommunications system
10/21/1998EP0872025A1 Programmable matched filter for spread spectrum
10/21/1998EP0872019A1 Diversity receiver
10/21/1998EP0872018A1 Receiving method and receiver
10/21/1998EP0801856A4 Spread-spectrum system and method
10/21/1998CN1196849A Optically cross-linked communication system (OCCS)
10/21/1998CN1196848A Radio calling system
10/21/1998CN1196847A Signal transmitting method, mobile station device and base station device for CDMA mobile communication
10/21/1998CN1196846A Method and apparatus for power control in communication system
10/21/1998CN1196844A Method for transmitting pilot signal, and cellular radio system
10/21/1998CN1196843A Process and device for reducing common channel interference in cellular JD-CDMA radio system
10/21/1998CN1196649A Pilot PN offset assigning method for digital mobile telecommunications sytem
10/21/1998CN1196648A Method for changing control channel in cellular system
10/21/1998CN1196614A Receiving apparatus portable receiving apparatus and electronic watch
10/20/1998US5826199 Digital portable telephone with voice recognition and voice codec processing on same digital signal processor
10/20/1998US5826198 Transmission of data over a radio frequency channel
10/20/1998US5826197 Mobile communication system using base station frequency correction scheme
10/20/1998US5826195 Data messaging in a communications network
10/20/1998US5826190 Emergency handoff method of redirecting calls in a satellite communication system
10/20/1998US5826189 Cellular communication system with efficient channel assignments and method therefor
10/20/1998US5826188 Method and apparatus for handing off calls between differing radio telecommunication networks
10/20/1998US5826179 Multi-antenna scanning diversity system
10/20/1998US5826170 Satellite communication power management system
10/20/1998US5826169 Admission control system and method in space-based mobile telecommunication system
10/20/1998US5825889 Use of duplex cipher algorithms for satellite channels with delay
10/20/1998US5825835 Multi-user acquisition procedure for multipoint-to-point synchronous CDMA systems
10/20/1998US5825764 TDMA base station arrangement
10/20/1998US5825761 Radio communication equipment with transmission rate regulating function
10/20/1998US5825760 Transmission method and a cellular radio system
10/20/1998US5825758 Method and apparatus for improving the detectability of a broadcast control channel in a mobile communication system
10/20/1998US5825757 Methods and apparatus for excluding communication channels in a radio telephone
10/20/1998US5825753 Data communications equipment apparatus
10/20/1998US5825332 Multifunction structurally integrated VHF-UHF aircraft antenna system
10/20/1998US5825325 Intersatellite communications systems
10/20/1998US5825160 Power control circuit in wireless mobile communication system
10/20/1998US5825149 Mobile communication device having a direct communication capability
10/20/1998CA2097729C Power control device wherein a bias voltage in level detection is given a constant difference from a detected voltage
10/18/1998CA2230607A1 Method of establishing a radio chain in a radiocommunications network
10/18/1998CA2230602A1 Decentralized radiocommunications system and radio station therefor
10/15/1998WO1998046036A1 Arrangement for improving availability of services in a communication system
10/15/1998WO1998046035A2 Determining the location of a subscriber unit in a mobile communication system