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Software method utilizing gateways for maintaining connectivity during communications over distinct wireless networks by mobile computer terminals

  • US 20030227892A1
  • Filed: 06/06/2002
  • Published: 12/11/2003
  • Est. Priority Date: 06/06/2002
  • Status: Active Grant
First Claim
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1. A method of operating a gateway to at least two distinct data communications networks at least one network being a wireless local area network including a plurality of stationary LAN base stations and a plurality of mobile computer units, each of the mobile units being capable of communicating with at least one base station when located within a predetermined range therefrom and being normally associated with and in communications with such base station, comprising the steps of:

  • (a) establishing communication and association between a first mobile unit and a first LAN base station;

    (b) activating an authentication mode of operation in both the first mobile unit and the first LAN base station;

    (c) authenticating the first mobile unit;

    (d) establishing a first communications channel with a remote station from the mobile unit through the gateway, (e) determining in the gateway, that communications between the remote station and the mobile unit on the wireless local area network has been impeded; and

    (f) utilizing the gateway to establish a separate and distinct second communications channel between the remote station and the mobile unit through a second data communications network, which is not a wireless local area network, and transferring communications between the remote station and the mobile unit to said second communications channel.

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