Patents
Patents for H04W 36 - Handoff or reselecting arrangements (55,112)
07/1992
07/07/1992US5129097 Paging channel selection system in mobile communication system
07/07/1992US5128959 Variable bandwidth CDMA radio system
07/01/1992EP0492800A2 Improved inter-cell call hand-over in radio communication systems with dynamic channel allocation
06/1992
06/30/1992US5127042 Cellular cordless telephone
06/28/1992WO1992012602A1 Mobile radio handover initiation determination
06/25/1992WO1992010914A1 Radiotelephone locating and handoff using alternative criteria
06/25/1992WO1992010886A1 A radio system
06/24/1992EP0491494A2 Call path resource allocation in a wireless telecommunications system
06/17/1992EP0490509A2 Improved intra-cell call hand-over in radio communication systems with dynamic channel allocation
06/17/1992EP0490441A2 A method of operating a communications system, a communications system and a secondary station for use in the system
06/09/1992US5121391 Subscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channels
06/08/1992WO1992010890A1 Cdma microcellular telephone system and distributed antenna system therefor
06/02/1992US5119375 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
05/1992
05/26/1992US5117502 Mobile radio communication system
05/26/1992CA1301845C High throughput communication method and system for a digital mobile station when crossing a zone boundary during a session
05/14/1992WO1992008325A1 Call hand-off with user selectable site switching
05/13/1992EP0485351A1 A method of avoiding interference between a first and a second message in a mobile telephone system
05/09/1992WO1992009179A1 Dynamic rf communication resource access by roving mobile units
05/08/1992WO1992009177A1 Hand-off algorithm for elongated radiotelephone cells
05/06/1992EP0483551A2 Handoff method and apparatus for mobile wireless workstations
05/06/1992EP0483544A1 Distributed control methods for management of migrating data stations in a wireless communications network
05/05/1992US5111535 Method and system for switching radio frequency
04/1992
04/30/1992WO1992001950A3 Speed estimation
04/28/1992US5109529 Method of assigning frequency channel in mobile communications system
04/28/1992US5109528 Handover method for mobile radio system
04/15/1992EP0480896A2 Handoff procedure that minimizes disturbances to DTMF signalling in a cellular radio system
04/08/1992EP0479477A2 Distributed switching cellular communication system
04/08/1992EP0479255A2 Method of handover and route diversity in mobile radio communication
03/1992
03/31/1992US5101503 Method of connecting channels of decentralized radio systems
03/31/1992US5101501 Method and system for providing a soft handoff in communications in a cdma cellular telephone system
03/28/1992WO1992006543A1 Communication transfer in a radiotelephone system
03/25/1992EP0476127A1 Integrated cellular communications system.
03/18/1992EP0475348A2 Cordless key telephone system having zone switching function
03/10/1992US5095531 Mobile communication position registering method and system therefor
02/1992
02/26/1992EP0472511A2 Handoff of a mobile station between half rate and full rate channels
02/19/1992EP0471656A2 A method and apparatus for enhancing signalling reliability in a cellular mobile radio telephone system
02/06/1992WO1992002104A1 Cellular radio
01/1992
01/29/1992EP0468569A2 A method of operating a communications system, a communications system and a secondary station for use in the system
01/26/1992WO1992002105A1 Location determination and handover in mobile radio systems
01/26/1992WO1992001950A2 Speed estimation
01/15/1992EP0466543A1 Load regulation for fixed stations in a cellular radio communication network
01/08/1992EP0465443A1 A method in connection with handoff in a mobile communication system
01/07/1992WO1992001339A1 A method in connection with handoff in a mobile communication system
01/07/1992CA2065876A1 Method in connection with handoff in a mobile communication system
12/1991
12/17/1991US5073900 Integrated cellular communications system
12/12/1991WO1991019403A1 Cellular radio
11/1991
11/19/1991US5067171 Small-cell mobile radio
11/19/1991US5067147 Microcell system for cellular telephone system
11/14/1991WO1991017608A1 A method of predicting future measuring values of handoff decisions
11/13/1991CN1056213A Method for handoff in mobile radio communication system
11/13/1991CN1014761B Microcellular communications system using macrodiversity
11/12/1991CA1292041C Cellular cordless telephone
11/06/1991EP0455614A1 A method of predicting measuring values for handoff decisions in a mobile radio communication system
10/1991
10/31/1991WO1991016772A1 A method for handoff in a mobile radio communication system
10/30/1991EP0454638A1 A method for handoff in a mobile radio communication system
09/1991
09/25/1991EP0448015A2 Mobile radio communication system
09/20/1991WO1991015071A1 Integrated cellular communications system
09/04/1991EP0444485A2 Cellular TDM communication system employing offset frame synchronization
09/04/1991EP0444067A1 Communications system.
08/1991
08/28/1991EP0443503A2 Mobile communication system
08/20/1991US5042082 Mobile assisted handoff
08/07/1991EP0439630A1 Wireless channel switch control method
08/06/1991CA1287377C Mobile radio telephone system
07/1991
07/24/1991EP0438099A1 Method for communication transfer in a radiotelephone network
07/09/1991CA1286040C Microcellular communications system using macrodiversity
06/1991
06/20/1991WO1991009505A1 Sectored voice channels with rear lobe protection
06/18/1991CA1285030C Antenna beam boundary detector for preliminary handoff determination
06/05/1991EP0430106A2 Radio communication equipment for a mobile station and traffic channel hand-off method using the same
06/04/1991US5022024 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
05/1991
05/29/1991CN1051832A Soft handoff in cdma cellular telephone system
05/21/1991US5018187 Mobile telephone intrasystem and intersystem enhanced handoff method and apparatus for limiting trunk switching connections
05/16/1991WO1991007043A1 Improved microcell system for cellular telephone systems
05/16/1991WO1991007020A1 Soft handoff in a cdma cellular telephone system
05/16/1991WO1991007019A1 Zoned microcell with sector scanning for cellular telephone systems
05/15/1991EP0427687A1 Method of choosing a base station, a radio channel and a time slot at a mobile station
05/08/1991EP0426269A1 Mobile communications system
04/1991
04/16/1991US5008953 Mobile station link supervision utilizing digital voice color codes
04/10/1991EP0421535A1 Method for transferring, between two switching exchanges for mobile services, the handling of an active connection with a mobile terminal
03/1991
03/06/1991EP0415502A2 Communications system
03/06/1991CN1011937B Cellular voice and data radiotelephone system
02/1991
02/26/1991WO1991003110A1 Wireless channel switch control method
02/19/1991CA1280466C Cellular radiotelephone system with dropped call protection
02/06/1991EP0411878A2 Power control arrangement for a radio communication system
01/1991
01/29/1991US4989230 Cellular cordless telephone
01/29/1991US4989204 High throughput communication method and system for a digital mobile station when crossing a zone boundary during a session
01/17/1991DE3922384A1 Process for automatic change of radio transmission channel - allows participants to switch channels if interference continues to effect transmission
01/09/1991EP0406905A2 Dual donor booster system
01/09/1991CN1048472A Mobile assisted handoff
01/07/1991CA2019814A1 Dual donor booster system
01/02/1991EP0406193A2 A method for synchronizing a mobile unit and a base station
01/02/1991EP0406186A2 Mobile assisted handoff
12/1990
12/27/1990WO1991000658A1 Method for synchronization in a cellular mobile radio system
12/27/1990WO1991000657A1 Mobile assisted handoff
12/11/1990US4977612 Channel selection in a multi-frequency radio data communication system
12/04/1990US4975939 Channel changing system
11/1990
11/01/1990WO1990013187A1 Method of maintaining an established connection in a mobile radio system comprising both analog and digital radio channels
10/1990
10/10/1990EP0391597A2 Optical fiber microcellular mobile radio
09/1990
09/04/1990US4955082 Mobile communication system
08/1990
08/14/1990CA1272816A1 Method of and circuit arrangement for switching- through a radio connection to another radio cell of a digital radio transmission system
08/07/1990US4947452 Mobile communication system