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Radio communication system using portable mobile terminal

  • US 5,894,598 A
  • Filed: 09/06/1996
  • Issued: 04/13/1999
  • Est. Priority Date: 09/06/1995
  • Status: Expired due to Term
First Claim
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1. A radio communication system comprising:

  • a first radio station includinga single transmitting antenna for forming a plurality of beams of different maximum radiated directions, said first radio station adding to a signal, transmitted by a beam of number i among the plurality of beams, beam identification information that is capable of discriminating that said signal is transmitted by said beam of number i, anda receiving antenna for receiving radio signals, which are transmitted from other radio stations by a wide-angle or omni-directional beam; and

    a second radio station includinga receiving antenna which is capable of receiving said signals transmitted by said beams from said receiving antenna of said first radio station,a receiver for selectively receiving, on the basis of an estimation standard, a signal of a beam of number j among specific beams formed by said transmitting antenna of said first radio station, anda transmitting antenna for forming a wide-angle or omni-directional beam to transmit said beam of number j selectively received among the beams transmitted from said transmitting antenna of said first radio station.

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