Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
10/1998
10/07/1998CN1195434A Dual mode satellite/cellular terminal
10/07/1998CN1195433A Reducing power consumption in portable radiotelephone
10/07/1998CN1195240A Adaptive transmission diversity apparatus and adaptive transmission diversity method
10/06/1998USRE35916 Cellular telephone system that uses position of a mobile unit to make call management decisions
10/06/1998US5819185 Portable satellite communication apparatus
10/06/1998US5819182 Method and apparatus for improving receiver performance in a land mobile communications system
10/06/1998US5819181 Apparatus and method for mitigating excess time delay in a wireless communication system
10/06/1998US5819176 Process for operating a mobile radiotelephone system utilizing subscriber indentification modules
10/06/1998US5819170 Power supply unit with switch-on/off facility for powering radio equipment
10/06/1998US5819168 Adaptive communication system and method using unequal weighting of interface and noise
10/06/1998US5819167 Diversity receiver with improved sensitivity
10/06/1998US5819165 System for regulating the power output of and linearizing the transmission signal from a radio transmitter
10/06/1998US5819164 Modulated retroreflection system for secure communication and identification
10/06/1998US5818885 Method for minimizing time to establish initial synchronization between a mobile station and a base station in a mobile communication system
10/06/1998US5818883 Multi-channel digital transceiver and method
10/06/1998US5818882 Frequency offset cancellation apparatus
10/06/1998US5818876 Method and apparatus of adaptive maximum likelihood sequence estimation using a variable convergence step size
10/06/1998US5818871 Method for providing service and rate negotiation in a mobile communication sytstem
10/06/1998US5818869 Spread spectrum communication synchronizing method and its circuit
10/06/1998US5818845 Hybrid access system having channel allocation and prioritized polling schemes
10/06/1998US5818833 Personal communication device usable in two communication modes and personal telecommunication system including the device
10/06/1998US5818829 Method for increasing throughput capacity in a communication system
10/06/1998US5818827 Radio communication device and radio communication method
10/06/1998US5818823 For a communication network
10/06/1998US5818820 Method and system for data link expansion or contraction using spread spectrum TDMA communication
10/06/1998US5818617 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith
10/06/1998US5818544 Method and apparatus for detecting when the carrier signal and symbol timing for a television signal is recovered and a high definition television employing the method and apparatus
10/06/1998US5818543 Diversity receiver for television
10/06/1998US5818517 Broadband interference reduction
10/06/1998US5818388 Satellite communications apparatus using active redundancy
10/06/1998US5818298 Linear amplifying apparatus using coupled non-linear amplifiers
10/06/1998CA2160978C Systems with increased information rates using embedded sample modulation and predistortion equalization
10/06/1998CA2072373C Shared-carrier frequency hopping
10/06/1998CA2044670C Radio communication system
10/03/1998CA2228714A1 Method and apparatus for spectral efficient transmission of cdma modulated signals
10/01/1998WO1998043459A2 Method for channel evaluation using receive signals transmitted via a radio channel
10/01/1998WO1998043453A1 Method and apparatus for setting an inbound transmitter power level
10/01/1998WO1998043431A1 Method of downloading of data to an mpeg receiver/decoder and mpeg transmission system for implementing the same
10/01/1998WO1998043427A1 Broadcast and reception system, and receiver/decoder and remote controller therefor
10/01/1998WO1998043378A1 Hierarchical resource hopping for variable resource size communication systems
10/01/1998WO1998043376A1 Using a receiver model to multiplex variable-rate bit streams having timing constraints
10/01/1998WO1998043374A2 A method of and apparatus for processing variable rate data for transmission in a fixed rate transmission medium
10/01/1998WO1998043372A1 A system using leo satellites for centimeter-level navigation
10/01/1998WO1998043371A1 Satellite telecommunications repeaters and retransmission methods
10/01/1998WO1998043368A2 Method and apparatus for controlling echo on both sides of a connection
10/01/1998WO1998043315A1 Integrated transmit/receive antenna with arbitrary utilisation of the antenna aperture
10/01/1998WO1998043106A2 Method for evaluating direction
10/01/1998WO1998026617A3 An operational test device and method of performing an operational test for a system under test
10/01/1998DE19713667C1 Basisstation und Empfangseinrichtung für ein Mobil-Kommunikationssystem mit TDMA-Teilnehmerseparierung Base station and receiving device for a mobile communication system using the TDMA subscriber separation
10/01/1998DE19713271A1 Bidirectional communication system e.g. for broadcasting station
10/01/1998CA2284045A1 Integrated transmit/receive antenna with arbitrary utilisation of the antenna aperture
09/1998
09/30/1998EP0868093A1 System and method for managing power budgets
09/30/1998EP0868040A2 System and method for providing electronic mail via a satellite broadcast system receiver
09/30/1998EP0868037A1 TDMA system with discontinuous transmission
09/30/1998EP0868036A2 Satellite communications terminal location system and method
09/30/1998EP0868034A2 CDMA mobile radio communication
09/30/1998EP0867970A2 Radio transmitting apparatus and gain control method for the same
09/30/1998EP0867849A2 Mobile unit support system to detect movement by means of a magnetic sensor
09/30/1998EP0867082A2 A real-time csma method having the capability to adaptively vary cell sizes and a wireless network for implementing the same
09/30/1998EP0867080A1 Emitter systems for the transmission of radio signals of a given emission frequency according to a predefined transmission time protocol
09/30/1998EP0867079A1 Multisensor equalisation method and device enabling multisensor reception in the presence of interference and multipath propagation
09/30/1998EP0867052A1 Antenna assembly and associated method for radio communication device
09/30/1998EP0866982A1 Gps translator with spread spectrum pilot
09/30/1998EP0866979A2 Method for displaying a "low battery" state in electrical equipment with electrical energy stores and electrical equipment with electrical energy stores with means for displaying a "low battery" state
09/30/1998EP0699334A4 Method and apparatus for group encoding signals
09/30/1998CN1194756A Method and apparatus for providing fixed cellular functionality
09/30/1998CN1194741A Self caliberation apparatus and method for communication device
09/30/1998CN1194739A Pilot signal strength control for a low earth orbiting satellite communications system
09/30/1998CN1194738A 接收方法和接收机 The receiving method and receiver
09/30/1998CN1194557A Radio Telephone capable of operating on time slt paging mode and operating method
09/30/1998CN1194551A Digital radio communication machine
09/30/1998CN1194550A Communication method, base station and terminal equipment
09/30/1998CN1194519A Demodulation method and its device, receiving method and its device, and communication device
09/30/1998CN1194518A Channel ratio measurer and method in communication system and control method for transmitting power
09/30/1998CN1194512A Satellite communication system for user distribution and resource distribution by using ground network
09/30/1998CN1194511A CDMA satillite communication system and its internal signal transfer method
09/30/1998CN1194510A Position diversity reception, base station main frame apparatus and processing method for receiving signal
09/30/1998CA2217813A1 Subspace combining of antenna beams in a mobile radio base site
09/30/1998CA2217812A1 Continuous interference assessment and avoidance in a land mobile radio system
09/30/1998CA2217799A1 Traffic distribution analysis in a land mobile radio system
09/29/1998US5815821 Method and a device for conserving power in a battery powered transceiver
09/29/1998US5815820 Transmitter having adjustable power levels responsive to the position of a movable antenna
09/29/1998US5815819 Intermittent reception control apparatus
09/29/1998US5815818 Cellular mobile communication system wherein service area is reduced in response to control signal contamination
09/29/1998US5815817 Information broadcasting method
09/29/1998US5815814 Cellular telephone system that uses position of a mobile unit to make call management decisions
09/29/1998US5815809 Mobile earth terminal communication device providing voice, data, facsimile, and/or roaming communication features
09/29/1998US5815801 Method for estimating the quality of a connection, and a receiver
09/29/1998US5815798 Apparatus and method of controlling transmitting power in a subscriber terminal of a wireless telecommunications system
09/29/1998US5815796 Method for determining parameters for the design of ground equipment for a satellite link system and a method of transmitting signals in a satellite link system
09/29/1998US5815795 Oscillation detecting system for wireless repeater
09/29/1998US5815533 Receive processor device for use in a digital mobile radio systems
09/29/1998US5815527 Method and apparatus for switching spread spectrum/code division multiple access modulated beams
09/29/1998US5815525 Transmitter
09/29/1998US5815506 Method for providing an overlay short messaging service in a mobile satellite communication system
09/29/1998US5815116 Personal beam cellular communication system
09/29/1998US5815071 Method and apparatus for monitoring parameters of vehicle electronic control units
09/29/1998US5814242 Heterocyclic cationic species
09/29/1998US5813634 Method for replacing failing satellites in a satellite communication system
09/29/1998CA2083776C Digital communication system using superposed transmission of high speed and low speed digital signals