Patents
Sitemap › H04 - Electric communication technique › H04W - Wireless communication networks › H04W 36 - Handoff or reselecting arrangements
Patents for H04W 36 - Handoff or reselecting arrangements (55,112)
07/1990
07/25/1990CN1008962B Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels
07/03/1990CA1271224A1 Vox remote unit control in a cellular system
06/1990
06/26/1990EP0299040A4 Vox remote unit control in a cellular system.
05/1990
05/23/1990EP0369535A2 Cellular radio system
05/17/1990WO1990005432A1 Communications system
05/16/1990EP0368673A1 Communications system
05/15/1990US4926421 Mobile radio telephone system
05/02/1990EP0366342A2 Method for routing information in a telecommunications switching system
04/1990
04/10/1990US4916691 Telecommunications switching system
04/10/1990CA1267737A1 Base station capable of monitoring occurrence of interference on every transmission
03/1990
03/28/1990CN1040892A Signal integrity control technique for rf communication system
03/28/1990CN1007402B Scanning receiver allocation method and apparatus for cellular radiotelephone systems
03/27/1990US4912756 Method and apparatus for error-free digital data transmission during cellular telephone handoff, etc.
03/27/1990US4912705 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
03/20/1990CA1266884A1 Networked cellular radiotelephone systems
03/14/1990EP0226610B1 Installation with portable, wireless telephone sets
12/1989
12/20/1989EP0347396A1 Handover method for mobile radio system
12/12/1989US4887265 Packet-switched cellular telephone system
12/06/1989EP0344539A2 Control technique for an rf communication system
11/1989
11/14/1989US4881082 Antenna beam boundary detector for preliminary handoff determination
11/08/1989EP0188554B1 Cellular voice and data radiotelephone system
10/1989
10/03/1989US4872204 Method of operating a radio transmission or communication system including a central station and a plurality of individual remote stations, a radio transmission or communication system, and a remote station
09/1989
09/20/1989EP0332818A2 Cellular telephone system with shared radio data channels
09/19/1989CA1259660A1 Method and apparatus for coordinating independent communications systems
08/1989
08/30/1989EP0330222A2 Method and system for switching radio frequency
08/16/1989EP0328100A2 High throughput communication method and system for a digital mobile station when crossing a zone boundary during a session
08/08/1989US4856048 Mobile communication system
08/02/1989EP0326104A2 Channel changing system
08/02/1989EP0325713A2 Cellular radiotelephone system with dropped call protection
07/1989
07/19/1989EP0324509A2 Mobile communication system
07/19/1989EP0324508A2 Mobile communication system
07/18/1989CA1257655A1 Cellular telephone data communication system and method
06/1989
06/06/1989US4837801 Base station capable of monitoring occurrence of interference on every transmission
05/1989
05/31/1989EP0318033A2 Handoff method for cellular digital mobile communication system and mobile station
05/09/1989US4829519 Automatic cell transfer system with error rate assessment
03/1989
03/28/1989US4817089 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
03/22/1989EP0308253A2 Method of assigning frequency channel in mobile communications system
03/07/1989US4811380 Cellular radiotelephone system with dropped call protection
02/1989
02/28/1989CA1250673A1 Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels
01/1989
01/18/1989EP0299040A1 Vox remote unit control in a cellular system.
01/11/1989CN1030336A Microcellular communications system using macrodiversity
01/10/1989US4797947 Microcellular communications system using macrodiversity
12/1988
12/27/1988US4794635 Two-way radio communication system with max-minimum call assignment method
11/1988
11/03/1988WO1988008650A1 Microcellular communications system using macrodiversity
11/02/1988EP0288904A2 Microcellular communications system using macrodiversity
10/1988
10/04/1988US4775999 Registration of radiotelephones in networked cellular radiotelephone systems
09/1988
09/07/1988EP0281111A2 Mobile communication system
08/1988
08/23/1988US4765753 Method and apparatus for handing-over a radio connection from one radio cell to another radio cell of a digital radio transmission system
08/11/1988WO1988005987A1 Vox remote unit control in a cellular system
08/02/1988CA1239996A1 Radio transmission method for a mobile radio system
07/1988
07/13/1988EP0273913A1 Cellular mobile telephone system and method of controlling a cellular mobile telephone system
06/1988
06/28/1988CA1238689A1 Handoff apparatus and method with interference reduction for a radio system
06/14/1988US4751725 VOX remote unit control in a cellular system
06/08/1988EP0269643A1 A method of operating a radio transmission or communication system including a central station and a plurality of individual remote stations, a radio transmission or communication system, and a remote station.
04/1988
04/12/1988US4737978 Networked cellular radiotelephone systems
03/1988
03/15/1988US4731812 Installation with portable, wireless telephone sets
02/1988
02/16/1988US4726050 Scanning receiver allocation method and apparatus for cellular radiotelephone systems
02/10/1988EP0255628A2 Handoff apparatus and method with interference reduction for a radio system
01/1988
01/05/1988US4718081 Method and apparatus for reducing handoff errors in a cellular radio telephone communications system
12/1987
12/22/1987CA1230648A1 Cellular voice and data radiotelephone system
12/02/1987EP0247192A1 Method and apparatus for coordinating independent communications systems
12/02/1987EP0115528B1 Method and apparatus for assigning duplex radio channels and scanning duplex radio channels assigned to mobile and portable radiotelephones in a cellular radiotelephone communications system
12/02/1987CN87100734A Scanning receiver allocation method and apparatus for cellular radiotelephone systems
11/1987
11/11/1987EP0244872A2 Base station capable of monitoring occurrence of interference on every transmission
10/1987
10/21/1987EP0241954A2 Digital radio transmission system and mobile radio subscriber device for such a digital radio transmission system.
10/07/1987EP0240051A1 Radio communication system provided with beacon transmitters
09/1987
09/29/1987US4697281 Cellular telephone data communication system and method
09/22/1987US4696027 Handoff apparatus and method with interference reduction for a radio system
09/11/1987WO1987005458A1 A method of operating a radio transmission or communication system including a central station and a plurality of individual remote stations, a radio transmission or communication system, and a remote station
09/09/1987EP0236194A1 Radio telephone system with relay change during communication
08/1987
08/27/1987WO1987005181A1 Scanning receiver allocation method and apparatus for cellular radiotelephone systems
07/1987
07/21/1987CA1224528A1 Hand-off filter for cellular mobile radio
07/01/1987EP0226610A1 Installation with portable, wireless telephone sets.
06/1987
06/23/1987US4675863 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
06/04/1987WO1987003438A1 Method and apparatus for coordinating independent communications systems
06/02/1987US4670906 Data communications system transmitter selection method and apparatus
06/02/1987US4670905 Method and apparatus for coordinating independent communications systems
05/1987
05/26/1987US4669107 Method of increasing the number of call options in a mobile telephone system
03/1987
03/31/1987US4654879 Cellular mobile radio subscriber location detection
03/31/1987US4654867 Cellular voice and data radiotelephone system
03/26/1987WO1987001897A1 Cellular mobile telephone system and method of controlling a cellular mobile telephone system
03/18/1987EP0214319A1 Method for passing a mobile station from one radio station to another one
03/11/1987CN85106519A Cellular voice and data radiotelephone system
12/1986
12/03/1986EP0110888B1 A cordless telephone system
11/1986
11/20/1986WO1986006915A1 Installation with portable, wireless telephone sets
11/07/1986EP0188554A4 Cellular voice and data radiotelephone system.
10/1986
10/15/1986CN86100949A Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels
07/1986
07/30/1986EP0188554A1 Cellular voice and data radiotelephone system.
06/1986
06/17/1986US4596042 Radio transmission method for a mobile radio system
05/1986
05/06/1986CA1204165A1 High density cellular mobile radio communications
03/1986
03/19/1986EP0174419A2 Radiotelephone system
02/1986
02/18/1986CA1200848A1 Method and apparatus for assigning duplex radio channels and scanning duplex radio channels assigned to mobile and portable radiotelephones in a cellular radiotelephone communications systems
01/1986
01/30/1986WO1986000775A1 Cellular voice and data radiotelephone system
01/28/1986CA1200030A1 Cordless key telephone system employing infrared transmission
12/1985
12/03/1985US4556760 Hand-off filter for cellular mobile radio
07/1985
07/02/1985US4527284 Adjacent radio cells paging channel chaining system
11/1984
11/28/1984EP0126557A1 High density cellular mobile radio communications
11/27/1984US4485486 Method and apparatus for assigning duplex radio channels and scanning duplex radio channels assigned to mobile and portable radio telephones in a cellular radiotelephone communications system
10/1984
10/11/1984EP0115528A4 Method and apparatus for assigning duplex radio channels and scanning duplex radio channels assigned to mobile and portable radiotelephones in a cellular radiotelephone communications system.
10/02/1984US4475010 High density cellular mobile radio communications
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