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Personal communications service using wireline/wireless integration

  • US 5,506,887 A
  • Filed: 03/31/1995
  • Issued: 04/09/1996
  • Est. Priority Date: 03/05/1992
  • Status: Expired due to Term
First Claim
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1. An integrated wired and wireless personal communication system, said system having a wired portion connected by voice communication lines and Common Channel Interoffice Signaling (CCIS) lines, said system also having a wireless portion with the capability of intercell handoff of mobile wireless stations, said system comprising in combination:

  • (a) a plurality of radio cell base stations, where each radio cell base station has a predetermined radio cell coverage area and each radio cell base station has means for simultaneously receiving and transmitting signal messages and a plurality of communications messages, each said radio cell base station including;

    means for effecting communication between a plurality of portable wireless stations and said wired portion,means for assigning a communications channel to a specific mobile wireless station in said predetermined radio cell coverage area from a plurality of available communications channels, andmeans for registration of a mobile wireless station within a radio cell coverage area for incoming or outgoing calling upon an assigned communications channel;

    (b) a plurality of mobile wireless stations, each mobile wireless station having means for receiving and transmitting signal messages and means for receiving and transmitting communication messages, each said mobile wireless station including;

    means for initially selecting a base station for registration with a switched network means for controlling communication, andmeans for selecting a voice communications channel based upon comparison of scanned available channels;

    (c) at least one switched network means for controlling switching of wireless communication over said wired portion, where a switched network means for controlling communication is operatively disposed with each said radio cell base station, each said switched network means for controlling including;

    an interface to said CCIS lines,means for interfacing with additional switched network means for controlling communication,means for providing intercell handoff information to associated base stations, andsecond means for interfacing with said wired portion; and

    (d) a service control point data base including means for location registration of said mobile wireless stations, said service control point data base being arranged as part of said wired portion.

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