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Automatic cell transfer system with error rate assessment

  • US 4,829,519 A
  • Filed: 06/09/1987
  • Issued: 05/09/1989
  • Est. Priority Date: 06/09/1987
  • Status: Expired due to Term
First Claim
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1. A cell transfer method for automatically transferring communication between a mobile and a first base station from said first base station to a selected second base station comprising, transmitting messages from each base station of a plurality of base stations, said mobile monitoring said messages transmitted by said first base station and received by said mobile and determining a bit or symbol error rate based on the received signal for at least some of said messages transmitted from said first station and received by said mobile, when said mobile detects a bit or symbol error rate in said at least some messages received from said first station above a threshold exit bit or symbol error rate, said mobile automatically sequentially monitoring and assessing said messages transmitted from adjacent of said base stations, selecting a selected second base station based on said messages from said selected second base station having an assessed bit or symbol error rate as detected by said mobile below a selected entry threshold bit or symbol error rate and said mobile transferring to communicate with said selected second base station.

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