Patents
Patents for H04W 36 - Handoff or reselecting arrangements (55,112)
04/1994
04/12/1994US5303289 Communication transfer in a cellular radiotelephone system
04/12/1994US5303287 Integrated personal/cellular communications system architecture
04/08/1994CA2106692A1 Method of registering/reassigning a call in a dual mode communication network
04/06/1994CN1085030A Moving communicating net
04/06/1994CN1085029A Moving communicating net
04/05/1994US5301356 Prioritization between handoff and new call requests in a cellular communications system
03/1994
03/30/1994EP0589753A1 Method of transmitting, together with a handover command in a cellular system, a timing advance signal to a mobile
03/30/1994EP0589279A2 Radio mobile network with hierarchical cell structures
03/30/1994EP0589278A2 Radio mobile network with hierarchical cell structures
03/30/1994EP0444067B1 Communications system
03/30/1994CN1084688A 电信系统 Telecommunications systems
03/23/1994EP0587736A1 Spread spectrum wireless telephone system
03/23/1994CN1084335A Rearranging channels
03/17/1994WO1994006220A1 Cellular radio network
03/16/1994EP0586682A1 A method of locating a mobile station in a mobile telephone system
03/16/1994EP0586681A1 A method of bidirectional communication in a cellular mobile radio communication system wherein different base stations are used for the downlink and uplink connection
03/08/1994US5293643 Method for handoff in a mobile radio communication system
03/08/1994US5293641 Signal strength controlled directed retry in a mobile radiotelephone system
03/03/1994WO1994005130A1 Rearranging channels
03/03/1994WO1994005109A1 Method and apparatus for performing a hand-off in a wireless communication system
03/01/1994US5291544 Method of transferring, between two switching exchanges for mobile services, the handling of an active connection with a mobile terminal
02/1994
02/23/1994CN1082788A Method for the improvement of the radio supply of a traffic route structure by a cellular mobile radio system and apparatus for carrying out the method
02/22/1994US5289525 Handover method for radiotelephone networks
02/17/1994WO1994004005A1 Process and device for a microcellular common-channel radio system
02/16/1994EP0583232A2 Integrated personal/cellular communications system architecture
02/16/1994CN1082281A Method and apparatus for performing handoffs in awireless communication system
02/15/1994US5287544 Method of channel assignment by matching channel interference with channel link loss
02/14/1994CA2103769A1 Integrated personal/cellular communications system architecture
02/10/1994DE4225582A1 Verfahren zur Verbesserung der Funkversorgung einer Verkehrswegestruktur durch ein zellulares Mobilfunksystem und Vorrichtung zur Ausübung des Verfahrens A method for improving the radio supply of a traffic route structure by a cellular mobile radio system, and apparatus for carrying out the method
02/08/1994US5285469 Spread spectrum wireless telephone system
02/08/1994US5285447 Target channel verification in a radiotelephone system
01/1994
01/27/1994DE4320696A1 Alternative Basisstationsübertragung eines Handoff-Befehls in einem Kommunikationssystem Alternative base station transmission of a handoff command in a communication system
01/20/1994WO1994001975A1 A method and apparatus for performing handoffs in a wireless communication system
01/20/1994WO1994001974A1 A method of performing mobile assisted hand-off in a communication system
01/20/1994CA2116979A1 A method and apparatus for performing handoffs in a wireless communication system
01/19/1994EP0578741A1 Microcell system in digital cellular
01/18/1994US5280630 Method and apparatus for dynamic channel allocation
01/18/1994US5280472 CDMA microcellular telephone system and distributed antenna system therefor
01/16/1994CA2100621A1 Telecommunication system
01/12/1994EP0578260A2 TDMA cellular mobile communciation system
01/12/1994EP0578076A1 Cellular mobile radio system and base station therefor
01/12/1994EP0577960A1 Improvements in or relating to mobile radio networks
01/11/1994US5278991 Cellular radio system
01/11/1994US5278892 Mobile telephone system call processing arrangement
01/06/1994WO1994000927A1 Power level increase during handoff command transmission
01/06/1994CA2136543A1 Power level increase during handoff command transmission
01/05/1994EP0577322A1 Apparatus and method for call handover in a cellular radio system
01/04/1994US5276906 Radiotelephone system incorporating two thresholds for handoff
12/1993
12/29/1993EP0576079A1 Digital radio communication system and primary and secondary station for use in such a system
12/23/1993WO1993026100A1 Methods and apparatus pertaining to handoff in a mobile telecommunication system
12/23/1993CA2114410A1 Methods and apparatus pertaining to handoff in a mobile telecommunication system
12/07/1993US5268933 Data packet alignment in a communication system
12/01/1993EP0571596A1 Prioritization between handoff and new call requests in a cellular communications system.
11/1993
11/30/1993US5267261 Mobile station assisted soft handoff in a CDMA cellular communications system
11/25/1993WO1993023945A1 Method and apparatus for performing hand-off and inbound calling in a wireless communication system
11/24/1993EP0571029A2 Mobile radio system with group call handover
11/24/1993EP0570643A1 Handover of mobile radio calls between mobile switching centers
11/23/1993US5265263 Handover techniques
11/19/1993CA2078194A1 Handover of mobile radio calls between mobile switching centers
11/18/1993EP0569559A1 Improved gsm interference band selection and reduced power handover
11/12/1993CA2094951A1 Sequential power estimation for cellular system handoff
11/09/1993US5260988 Apparatus and method for alternative radiotelephone system selection
11/09/1993US5260943 TDM hand-off technique using time differences
11/03/1993EP0568212A2 Procedure for the handover of a radio connection
11/02/1993US5258980 Radio channel switching control method
10/1993
10/28/1993WO1993021739A1 Mobile assisted handover using cdma
10/28/1993CA2111703A1 Mobile assisted handover using cdma
10/26/1993US5257402 Method for effecting handoff in a multi-site communication system
10/26/1993US5257401 Method of maintaining an established connection in a mobile radio system comprising both analog and digital radio channels
10/20/1993EP0566551A2 Mobile assisted handover using CDMA
10/20/1993EP0566548A1 A method for making handover decisions in a radio communications network
10/19/1993US5255307 Status indicator control for cellular mobile telephone system
10/14/1993DE4211815A1 Operating radio network for mobile communications - receiving mobile station transmission at different central stations for respective communication cells, to initiate communication switching between different cells
10/14/1993CA2091014A1 Method for making handover decisions in a radio communications network
10/13/1993EP0564512A1 Mobile radio handover initiation determination
10/13/1993EP0269643B1 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
09/1993
09/30/1993WO1993019538A1 A method of locating a mobile station in a mobile telephone system
09/30/1993WO1993019537A1 A method of bidirectional communication in a cellular mobile radio communication system wherein different base stations are used for the downlink and uplink connection
09/29/1993EP0562743A1 Method and apparatus for increasing the subscriber capacity in a macrocell/microcell system
09/29/1993CN1076817A Call routing for a radiotelephone in moltiple rapio telephone systems
09/25/1993CA2109114A1 A method of bidirectional communication in a cellular mobile radio communication system wherein different base stations are used for the downlink and uplink connection
09/24/1993WO1993019560A1 Directional handover control in digital mobile radio systems employing maho
09/15/1993CN1076320A Apparatus and method for alternative radiotelephone system selection
09/07/1993US5243598 Microcell system in digital cellular
09/01/1993EP0558465A2 Arrangement in mobile telecommunication systems for providing for an improved hand-over function
08/1993
08/31/1993US5241686 Regulation of traffic load of fixed stations in a cellular radio communication network
08/24/1993US5239682 Inter-cell call hand-over in radio communication systems with dynamic channel allocation
08/24/1993US5239676 Intra-cell call hand-over in radio communication systems with dynamic channel allocation
08/24/1993US5239667 Method of controlling handoff in cellular mobile radio communications system
08/19/1993WO1993016567A1 Method and apparatus for optimum channel assignment
08/19/1993CA2127270A1 Method and apparatus for optimum channel assignment
08/18/1993EP0556012A2 Migration communication control device
08/18/1993CN1075389A Method and apparatus for optimum channel assignment
08/11/1993EP0500775A4 Soft handoff in a cdma cellular telephone system
08/11/1993CN1075236A Method and apparatus for cynamic channel allocation
08/10/1993US5235615 Spread spectrum method
08/07/1993WO1993016549A1 Call routing for a radiotelephone in multiple radiotelephone systems
08/07/1993WO1993016548A1 Apparatus and method for alternative radiotelephone system selection
08/04/1993EP0510169A4 Dynamic rf communication resource access by roving mobile units
08/04/1993EP0502019A4 Improved microcell system for cellular telephone systems