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Communication system using relayed radio channels

  • US 6,424,818 B1
  • Filed: 02/09/1999
  • Issued: 07/23/2002
  • Est. Priority Date: 06/24/1997
  • Status: Expired due to Term
First Claim
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1. A communication system comprising:

  • a communication network;

    one or plural base stations connected with the communication network;

    one or plural radio terminals; and

    a communication control apparatus disposed between the radio terminal and the base station for relaying information exchanged between the radio terminal and the network by performing a radio communication with the radio terminal and performing a radio communication with the base station;

    wherein said communication control apparatus comprises;

    a communication control server for performing a channel control between said communication control server and a respective radio terminal, and for performing a channel control between said communication control server and a base station;

    a communication unit for performing a radio communication with the radio terminal and the base station using radio channels established by the communication control server; and

    wherein said communication unit detects a communication status with the communication network and said communication control server determines whether or not radio communication can be performed with the communication network.

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