Patents
Patents for H04W 36 - Handoff or reselecting arrangements (55,112)
08/1993
08/04/1993EP0500654A4 Zoned microcell with sector scanning for cellular telephone systems
08/04/1993CN1021758C Mobile assisted handoff
07/1993
07/27/1993US5231632 Radio communication equipment for a mobile station and traffic channel hand-off method using the same
07/22/1993WO1993014579A1 Method and apparatus for dynamic channel allocation
07/22/1993WO1993014576A1 Method of communication with mobile stations and system therefor
07/20/1993US5230082 Method and apparatus for enhancing signalling reliability in a cellular mobile radio telephone system
07/20/1993US5229995 Radio link architecture for wireless communication systems
07/13/1993US5228029 Cellular tdm communication system employing offset frame synchronization
07/07/1993EP0549811A1 Digital mobile telephone system having overlay configuration
07/06/1993US5226071 Call path resource allocation in a wireless telecommunications system
06/1993
06/30/1993EP0549016A1 Method of transferring between switching exchanges for mobile services, the handling of an active connection
06/24/1993WO1993012623A1 Handover decision algorithm using power budget values
06/24/1993WO1993012588A1 Prioritization between handoff and new call requests in a cellular communications system
06/23/1993CN1073561A Signal strength controlled directed retry in a mobile radiotelephone system
06/22/1993US5222249 Dynamic rf communication resource access by roving mobile units
06/22/1993US5222248 Call hand-off with user selectable site switching
06/17/1993WO1993012608A1 Minimization of facsimile data loss during cellular handoff
06/15/1993CA2000558C Telecommunications switching system
06/08/1993US5218715 Multi-donor booster operation and system
06/07/1993WO1993011627A1 Dynamic channel assignment in a communication system
06/02/1993EP0544457A2 Handover of mobile radio calls between base station systems
05/1993
05/28/1993CA2078193A1 Handover of mobile radio calls between base station systems
05/18/1993US5212806 Distributed control methods for management of migrating data stations in a wireless communications network
05/18/1993US5212684 Protocol and transceiver for cordless/cellular telephone service
05/12/1993WO1993010601A1 Method and apparatus for reducing interference in a radio communication link of a cellular communication system
05/12/1993EP0540596A1 Speed estimation
05/11/1993US5210771 Multiple user spread-spectrum communication system
04/1993
04/21/1993EP0537795A1 Handover without notice
04/18/1993WO1993008655A1 Improved gsm interference band selection and reduced power handover
04/13/1993US5203012 Method and apparatus for optimum channel assignment
04/13/1993US5203010 Radio telephone system incorporating multiple time periods for communication transfer
04/07/1993EP0535714A1 Diversity handover method
04/06/1993US5200957 Mobile assisted handoff
03/1993
03/30/1993US5199031 Method and system for uniquely identifying control channel time slots
03/28/1993WO1993006683A1 Communication transfer between unlike communication domains
03/28/1993WO1993006663A1 Data packet alignment in a communication system
03/28/1993CA2096219A1 Communication transfer between unlike communication domains
03/17/1993EP0532485A2 Adaptive resource allocation in a mobile telephone system
03/17/1993EP0531374A1 Cellular radio.
03/16/1993US5195091 Communications system
03/16/1993US5195090 Wireless access telephone-to-telephone network interface architecture
03/09/1993US5193109 Zoned microcell with sector scanning for cellular telephone system
03/03/1993EP0530165A2 Mobile station-controlled handoff
03/03/1993EP0529859A2 Radio link architecture for wireless communications systems
03/03/1993CN1069610A Multipleuser spread spectrum communication system
02/1993
02/24/1993EP0476127A4 Integrated cellular communications system
02/24/1993CA2076571A1 Portable controlled handoff
02/23/1993US5189734 Cellular radio system
02/04/1993WO1993002509A1 Digital mobile telephone system having overlay configuration
02/03/1993EP0526436A1 A method of effecting handover in a mobile multilayer cellular radio system
02/02/1993WO1993003558A1 A multiple user spread-spectrum communication system
01/1993
01/19/1993US5181200 Handoff method and apparatus for mobile wireless workstation
01/19/1993CA1312918C Method of assigning frequency channel in mobile communications system
01/13/1993EP0522774A2 Adaptive synchronization arrangement
01/13/1993EP0522773A2 Mobile-telephone system call processing arrangement
01/13/1993EP0522772A2 Wireless access telephone-to-telephone network interface architecture
01/13/1993EP0522276A2 Channel assignment method in mobile communication system
01/12/1993US5179571 Spread spectrum cellular handoff apparatus and method
01/12/1993US5179559 Handoff method for a cellular system
12/1992
12/30/1992EP0520433A2 Mobile communication system wherein a base station transfers to another an identifier for a cell of call origination
12/29/1992US5175867 Neighbor-assisted handoff in a cellular communications system
12/28/1992WO1993000777A1 Method and apparatus for estimating the doppler frequency of a mobile station
12/28/1992CA2089090A1 Method and apparatus for estimating the doppler frequency of a mobile station
12/27/1992CA2071027A1 Mobile communication system wherein a base station tranfers to another an identifier for a cell of call origination
12/13/1992WO1992022966A1 A method and apparatus for estimating initial time alignment in a cellular communications network
12/10/1992WO1992022156A1 Spread spectrum wireless telephone system
12/08/1992US5170488 Method of switching speech path in radiotelephone system
12/08/1992US5170485 Hand-off algorithm for elongated radiotelephone cells
12/08/1992US5170413 Control strategy for reuse system assignments and handoff
12/01/1992US5168498 Mobile communications system
11/1992
11/25/1992EP0515335A2 Initial power control of mobile station transmission in a mobile radiotelephone system
11/25/1992EP0514511A1 Radiotelephone locating and handoff using alternative criteria.
11/19/1992EP0513308A1 A radio system.
11/19/1992EP0512996A1 Sectored voice channels with rear lobe protection.
11/18/1992CA2068806A1 Initial power control of mobile station transmission in a mobile radiotelephone station
11/17/1992US5164958 For handling off a transitioning-remote unit
11/10/1992CA1310097C Channel changing system
11/03/1992US5161249 Sectored voice channels with rear lobe protection
10/1992
10/28/1992EP0510169A1 Dynamic rf communication resource access by roving mobile units
10/27/1992US5159596 Mobile communication system
10/27/1992CA1309480C Packet-switched cellular telephone system
10/21/1992EP0509548A2 Digital cellular switching system with means for securing uninterrupted data transparency during handoffs
10/20/1992US5157661 Handoff method for cellular digital mobile communication system and mobile station
10/15/1992WO1992017954A1 Microcell system in digital cellular
10/14/1992CN1018693B Signal integrity control technique for rf communication system
10/02/1992WO1992017953A1 Target channel verification in a radiotelephone system
09/1992
09/22/1992US5150362 Beacon carrier
09/16/1992EP0504122A2 Neighbor-assisted handoff in a cellular communications system
09/09/1992EP0502019A1 Improved microcell system for cellular telephone systems
09/08/1992US5146609 Cellular radio system having reduced handover disruption and method for use in such a system
09/02/1992EP0501808A2 Cellular mobile communications system using frequencies commonly shared by neighboring cells for handoff operations
09/02/1992EP0500775A1 Soft handoff in a cdma cellular telephone system
09/02/1992EP0500654A1 Zoned microcell with sector scanning for cellular telephone systems
08/1992
08/23/1992WO1992015164A1 Variable bandwidth cdma radio system
08/18/1992US5140627 Handoff procedure that minimizes disturbances to dtmf signalling in a cellular radio system
08/18/1992CA1306500C Control technique for an rf communication system
08/11/1992US5138327 Antenna pattern selection for optimized communications and avoidance of people
08/04/1992CA1306014C Method and apparatus for hand-off of call in progress
07/1992
07/29/1992EP0496622A2 Cordless telephone system and a connecting method of a cordless telephone
07/16/1992CA2059235A1 Multi-donor booster operation and system