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Dual mode subscriber unit for short range, high rate and long range, lower rate data communications

  • US 6,526,034 B1
  • Filed: 09/21/1999
  • Issued: 02/25/2003
  • Est. Priority Date: 09/21/1999
  • Status: Expired due to Term
First Claim
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1. For use with a digital communication network having a first wireless digital communication path and a second wireless digital communication path for coupling data communication signals with a local wireless transceiver at a first site, the second digital communication path providing wider coverage and a slower communication rate than the first digital communication path, the local wireless transceiver being operative to conduct wireless communications with a remote wireless transceiver at a second site, a method of selecting a wireless communication path comprising the steps of:

  • a) in response to a request to establish a communication session between said first and second sites, determining whether the first wireless digital communication path is available;

    b) establishing a communication session between the first and second sites using the first wireless digital communication path if the first wireless digital communications path is available;

    c) establishing a communication session between the first and second sites using the second wireless digital communication path if the first wireless digital communication path is not available;

    d) when a communication session has been established via the second wireless digital communication path, controlling the local wireless transceiver to appear to the second wireless digital communication path as though the bandwidth is continuously available during said communication session for wireless communications between said local and remote transceivers, irrespective of the need to transport data communication signals between said first and second sites; and

    e) when a communication session has been established via the second wireless communication path, in the absence of said need to transport data communication signals between said first and second sites, making said bandwidth available for wireless communication by another wireless transceiver of said digital communication network.

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