Patents
Patents for H04W 76 - Connection management, e.g. connection set-up, manipulation or release (36,637)
02/1994
02/22/1994US5289179 Maintaining stable virtual circuit data connections with spare protocol handler
02/16/1994EP0583018A2 Transmission trunked radio system with independent resource assignment
02/16/1994EP0583017A2 Transmission trunked radio system with voice buffering and off-line dialling
02/02/1994EP0580652A1 Wireless coupling of devices to wired network.
01/1994
01/30/1994CA2099812A1 System for securing mobile telephones from unauthorized transmission
01/19/1994EP0578810A1 Radio link failure
01/14/1994CA2099637A1 Apparatus for completing inbound calls in a wireless communication system
01/12/1994EP0577959A1 Mobile radio systems
01/04/1994US5276729 Radiotelephone for automatically dialing remotely programmed number upon call termination and without user operation
01/04/1994US5276680 Wireless coupling of devices to wired network
12/1993
12/23/1993WO1993026102A1 Channel re-assignment method for time division multiple access (tdma) trunked systems
11/1993
11/30/1993US5267230 Method and apparatus for communication maintenance and termination
11/24/1993CN1022881C Operation method of communications systems
11/17/1993CN1078587A A method of establishing cooperation with a functionality
11/09/1993US5260987 Mobile communications
10/1993
10/26/1993US5257400 Cellular mobile telephone system
10/23/1993CA2094549A1 Segregation method of dynamic channel allocation in a mobile radio system
10/13/1993EP0564697A1 Mobile radio network with alternative error protected voice or data transmission
09/1993
09/28/1993US5249302 Mixed-mode transceiver system
09/22/1993EP0560962A1 Call control method for a radio system.
09/16/1993WO1993018606A1 Personal communications service using wireline/wireless integration
09/02/1993WO1993017531A1 Call priority in a mobile radiotelephone system
08/1993
08/19/1993WO1993016567A1 Method and apparatus for optimum channel assignment
08/19/1993WO1993016562A1 Radio link failure
08/19/1993WO1993016547A1 A method of establishing cooperation with a functionality
08/19/1993CA2127270A1 Method and apparatus for optimum channel assignment
08/18/1993CN1075389A Method and apparatus for optimum channel assignment
08/04/1993EP0516651A4 Method and system for establishing link with wireless telephone
06/1993
06/02/1993EP0544464A2 Apparatus and method for maintaining stable virtual circuit data connections in cellular mobile telecommunications
06/02/1993EP0544447A2 Signaling arrangements in a cellular mobile telecommunications switching system
06/02/1993EP0543996A1 Method for handling of a call coming to a terminal equipment in a digital transmission system, and a mobile telephone
05/1993
05/19/1993CN1020838C Access network for cordless telephone service
05/18/1993US5212809 Radio communication system
04/1993
04/15/1993WO1993007704A1 Cordless telephone system with inbound calling
04/15/1993WO1993007685A1 Call control method for a radio system
04/13/1993US5203012 Method and apparatus for optimum channel assignment
02/1993
02/17/1993CN1069154A Digital cellular overlay network
02/03/1993EP0526240A2 Call reconnection system in mobile communication
02/02/1993CA1313398C Radio communication system
02/01/1993CA2074901A1 Call re-connection system in mobile communication
01/1993
01/13/1993EP0522295A2 Management connecting device for mobile radio telephone
01/07/1993EP0521610A2 Digital cellular overlay network
12/1992
12/30/1992EP0520433A2 Mobile communication system wherein a base station transfers to another an identifier for a cell of call origination
12/27/1992CA2071027A1 Mobile communication system wherein a base station tranfers to another an identifier for a cell of call origination
12/23/1992WO1992022976A1 Method for handling of a call coming to a terminal equipment in a digital transmission system, and a mobile telephone
12/16/1992EP0518344A2 Connection set-up between networked mobile subscriber terminals
12/09/1992EP0516651A1 Method and system for establishing link with wireless telephone
11/1992
11/25/1992EP0514878A2 Cordless telecommunication network with dynamically assigned unique timeslots for zone registration polling
11/19/1992EP0514020A2 Portable telephone system having selectable bypass line
11/19/1992EP0513841A2 Dynamic channel assignment cordless telecommunication network
10/1992
10/29/1992WO1992019059A1 Wireless coupling of devices to wired network
10/21/1992EP0509510A2 Radio communication adapter connected to mobile station and mobile communication system using the radio communication adapter
10/13/1992US5155689 Vehicle locating and communicating method and apparatus
10/03/1992CA2064646A1 Automatic number assignment module selection for mobile telephone
09/1992
09/16/1992EP0503813A2 Personal mobile communication system with call bridging
09/12/1992CA2061090A1 Personal mobile communication system with call bridging
09/09/1992EP0502104A1 Remote access telephone control system
09/02/1992EP0501058A2 Vehicle locating and communicating method and apparatus
08/1992
08/18/1992USRE34034 Cellular telephone data communication system and method
08/18/1992CA1306503C Shared data/voice communication system with programmable data priority
07/1992
07/29/1992EP0496622A2 Cordless telephone system and a connecting method of a cordless telephone
06/1992
06/25/1992WO1992010913A1 Cordless telephone 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
06/02/1992US5119375 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
05/26/1992US5117423 Data transmission over a time division duplex channel
05/26/1992CA1301845C High throughput communication method and system for a digital mobile station when crossing a zone boundary during a session
05/19/1992US5115233 Shared data/voice communication system with programmable data priority
05/13/1992EP0485351A1 A method of avoiding interference between a first and a second message in a mobile telephone system
04/1992
04/21/1992US5107494 Method and apparatus for communicating an information signal having dynamically varying quality
04/07/1992US5103448 Simultaneous ringing control in the time division duplex telecommunications system
02/1992
02/20/1992WO1992003006A1 Two way cordless telephone communication system
02/18/1992US5090051 Radio communication system and method for connecting an incoming call to a wireless telephone
12/1991
12/27/1991EP0462728A2 Mobile communications
12/27/1991EP0462727A2 Mobile communications
11/1991
11/12/1991CA1292041C Cellular cordless telephone
10/1991
10/15/1991US5058199 Inter-truncked radio systems bridge protocol
10/02/1991EP0448789A2 Radio system
09/1991
09/10/1991CA1288847C Call control of a distributed processing communications switching system
08/1991
08/23/1991WO1991013509A1 Method and system for establishing link with wireless telephone
08/23/1991CA2075279A1 Radio communication system
08/13/1991US5040177 Access network for a cordless telephone service
08/07/1991EP0440436A2 Cellular mobile telephone system
07/1991
07/30/1991CA1287195C Wide area cordless telephone system having means for avoiding double registrations
07/24/1991EP0438137A2 Radio telecommunication apparatus
07/16/1991CA1286429C Time division multiple access radio communication system
06/1991
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
05/30/1991WO1991007838A1 Remote access telephone control system
03/1991
03/05/1991CA1281078C Cellular data telephone system and cellular data telephone therefor
02/1991
02/27/1991CN1049579A Access network for cordless telephone service
02/19/1991CA1280466C Cellular radiotelephone system with dropped call protection
01/1991
01/30/1991EP0410251A1 Access network for wireless telephone service
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
01/08/1991US4984290 Method of controlling communications in a cellular radiotelephone system
12/1990
12/11/1990US4977589 Signalling and control protocol for a communication system
11/1990
11/28/1990EP0399612A2 Data transmission over a time division duplex channel
10/1990
10/10/1990CN1046078A Communications systems
10/03/1990EP0390333A2 Communications systems
09/1990
09/30/1990CA2012368A1 Communications systems