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Method for the operation of a cellular mobile radio system

  • US 6,119,021 A
  • Filed: 03/25/1998
  • Issued: 09/12/2000
  • Est. Priority Date: 08/21/1997
  • Status: Expired due to Term
First Claim
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1. A method for operating a cellular mobile radio system having a plurality of radio cells, each radio cell being supplied by at least one base station, comprising the steps of:

  • assigning each base station to one of a plurality of service layers, wherein each service layer supports one of the group consisting of no services, only normal services, only additional services, and all services offered;

    periodically transmitting system information and additional system information from each base station which are received and evaluated by mobile stations present in a supply region of the base station to indicate which service layer is presently supported by the corresponding base station;

    determining by each mobile station, from the system information and from the additional system information, which service layer each base station supports; and

    automatically selecting, by each mobile station, an optimum base station supporting a desired service layer.

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