Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
02/1998
02/26/1998WO1997050267A3 Method and apparatus for efficient system access in a dispatch system
02/26/1998WO1997050266A3 Method and apparatus for monitoring link activity to prevent system deadlock in a dispatch system
02/26/1998WO1997048247A3 A method for allowing a mobile phone to receive a call through a wireless network for which it is not registered, for emergency purposes
02/26/1998WO1997046040A3 Lmds system having cell-site diversity and adaptability
02/26/1998WO1997042787A3 Apparatus and method for transmitting and receiving a signaling message in a communication system
02/26/1998WO1997040398A3 Spread spectrum receiver with multi-bit correlator
02/26/1998DE19633477A1 Verfahren zur Initialisierung eines Empfängers und Empfänger von Positionssignalen Method for initializing a receiver and receiver position signals
02/25/1998EP0825773A1 Interactive satellite television system
02/25/1998EP0825743A2 Predistortion for a multicarrier transmitter
02/25/1998EP0825742A2 Method and apparatus for receiving and synchronising a multicarrier signal
02/25/1998EP0825741A2 Communication method and apparatus
02/25/1998EP0825737A1 Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system
02/25/1998EP0825734A2 Self-testing transceiver
02/25/1998EP0825732A2 Transmission method and apparatus in a cellular communication system
02/25/1998EP0825731A2 Communication method and apparatus for multiple access at base stations
02/25/1998EP0825730A2 Method and system for controlling uplink power in a high data rate satellite communication system employing on-board demodulation and remodulation
02/25/1998EP0825729A2 A CDMA communication system
02/25/1998EP0825728A2 Communication method and apparatus with transmission power control
02/25/1998EP0825726A2 Method for providing high-speed packet data services for a wireless system
02/25/1998EP0824843A1 Apparatus and method for mitigating excess time delay in a wireless communication system
02/25/1998EP0824842A1 Providing filler data to transmitters of a radio base station in a radiocommunication system
02/25/1998EP0824837A1 Spread spectrum communication network signal processor
02/25/1998EP0824805A1 Communication system and operating method thereof
02/25/1998EP0824802A1 Method of receiving and searching a signal transmitting in bursts
02/25/1998EP0824801A1 Method and apparatus for polarization diversity in a base station using antenna arrays
02/25/1998EP0824800A1 Apparatus for multi-rate simulcast communications
02/25/1998EP0824797A1 Spread spectrum communication network with adaptive frequency agility
02/25/1998EP0824796A1 Method and equipment for multirate coding and detection in a multiple access mobile communication system
02/25/1998EP0824778A1 Intelligent battery charging in a hand-held phone
02/25/1998EP0824706A1 Method for automatically reducing orbit-received carrier acquisition and tracking thresholds
02/25/1998CN1174640A Method and apparatus for testing digital communication channel
02/25/1998CN1174636A Method to realize discontinuous transmission in mobile phone system
02/25/1998CN1174635A Method and apparatus for identifying transmitter in simulcast radio communication system
02/25/1998CN1174483A Call processing method. subscriber unit, and access control apparatus operated in wireless local loop system
02/25/1998CN1174481A Wireless selective call receiver with speech notice function in which power supply voltage is determined in loading state
02/25/1998CN1174458A CDMA communication method and spread spectrum communication system
02/25/1998CN1174331A GPS downloadable interface locator
02/25/1998CN1037564C Digital radio communication apparatus including transmission error control
02/24/1998US5722080 Inter-station synchronization method
02/24/1998US5722078 Method and apparatus for locating a digital control channel in a downbanded cellular radiocommunication system
02/24/1998US5722072 Handover based on measured time of signals received from neighboring cells
02/24/1998US5722065 Mobile communications system and mobile receiver
02/24/1998US5722064 Radio receiver for use in a radio tracking system
02/24/1998US5722063 Method and apparatus for increasing receiver immunity to interference
02/24/1998US5722062 Linear receiver having dual automatic gain control loops
02/24/1998US5722061 Method and apparatus for increasing receiver immunity to interference
02/24/1998US5722059 Radio receiver for use in a radio tracking system and a method of operation thereof
02/24/1998US5722053 Multiple frequency communication device
02/24/1998US5722051 Adaptive power control and coding scheme for mobile radio systems
02/24/1998US5722049 Mobile-link system for a radio communication system wherein diversity combining is performed only for edge/boundary zone signals and not for central zone signals
02/24/1998US5722044 Method and apparatus for balancing the forward link handoff boundary to the reverse link handoff boundary in a cellular communication system
02/24/1998US5722042 Satellite communication system having double-layered earth orbit satellite constellation with two different altitudes
02/24/1998US5722040 Method and apparatus of frequency generation for use with digital cordless telephones
02/24/1998US5721810 Method of automatically controlling and verifying telecommands in satellite control system
02/24/1998US5721552 Transponder with AGC regulator
02/24/1998US5721534 Paging system with adaptive monitoring schedule and method of operation thereof
02/24/1998CA2153380C Antenna positioning apparatus
02/24/1998CA2147250C Method and apparatus in a communication device for automatic transfer of control from an internal processor to an external computer
02/21/1998CA2213576A1 Radio-frequency lan and wan communication system for route delivery applications or the like
02/19/1998WO1998007291A2 Signalling method and a digital radio system
02/19/1998WO1998007288A2 Method and apparatus for establishing activation date for a cellular telephone
02/19/1998WO1998007244A2 Diversity circuit for magnetic communication system
02/19/1998WO1998007243A2 Diversity combining method, and receiver
02/19/1998WO1998007240A1 Method for determining connection quality, and a receiver
02/19/1998WO1998007207A2 Method of controlling a communication system
02/19/1998WO1997050265A3 Process for separating and characterising spoken announcements in a radio transmission
02/18/1998EP0824245A1 Mobile object carrying electronic data which can read and/or write contactlessly
02/18/1998CN2274844Y Automatic converter for wire signals and wireless signals
02/18/1998CN1173954A Packet radio system and methods for a protocol-independent routing of a data packet in packet radio networks
02/18/1998CN1173796A Wireless telephone system
02/18/1998CN1173793A Mobile communication system with improved antenna arrangement
02/18/1998CN1173792A Bidirectional communication system
02/18/1998CN1173790A Individual radio selective calling receiver
02/18/1998CN1173786A Method for urging transmission of answer message in bilateral pager
02/18/1998CN1173771A CDMA Communication system having means for controlling access in dependence on communication quality
02/18/1998CN1173768A Coincidence quasi duplex centre-less frequency division multiple address and noise-resistance carrier communication system
02/18/1998CN1173644A Positioning system, and fixed station apparatus and positioning apparatus employing this system
02/18/1998CN1037480C Method and appts. for contending for access to a communication channe
02/17/1998US5720039 Satellite multiple access system with distortion cancellation and compression compensation
02/17/1998US5719935 Cellular telephone
02/17/1998US5719906 Signal generator and wireless mobile system including the same
02/17/1998US5719899 Multiple access digital transmission system and a radio base station and a receiver for use in such a system
02/17/1998US5719898 Fuzzy-logic spread-spectrum adaptive power control
02/17/1998US5719873 Frame-synchronous reproducing circuit
02/17/1998US5719871 Method and apparatus for performing diversity voting in a communication system
02/17/1998US5719859 Time division multiple access radio communication system
02/17/1998US5719857 Method and apparatus for implementing frequency-hopping in a base station
02/17/1998US5719852 Spread spectrum CDMA subtractive interference canceler system
02/17/1998US5719583 Mobile communication system which performs antenna gain control
02/12/1998WO1998006228A2 Method of determining communications mode
02/12/1998WO1998006227A2 Data messaging in a communications network
02/12/1998WO1998006225A2 A method and an arrangement for conducting multiple calls simultaneously
02/12/1998WO1998006190A1 Packet-switched spread-spectrum system
02/12/1998WO1998006189A1 Multidimensional cellular mobile telecommunication system
02/12/1998WO1998006185A1 Echo cancelling system for digital telephony applications
02/12/1998WO1998000945A3 Random interval inventory system
02/12/1998CA2262670A1 Data messaging in a communications network
02/11/1998EP0823797A2 Mobile radio terminal with means for synchronisation of data streams
02/11/1998EP0823796A2 Multiuser receiving device for use in a CDMA communications system
02/11/1998EP0823795A2 Path-diversity method and system for spread spectrum receivers