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Control method and system for information delivery through mobile communications network

  • US 20020094813A1
  • Filed: 01/14/2002
  • Published: 07/18/2002
  • Est. Priority Date: 01/15/2001
  • Status: Active Grant
First Claim
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1. A control method for information delivery for a mobile communications network including a plurality of communication nodes, comprising:

  • a step of identifying a first cache node storing cache information in a first delivery channel established in response to a delivery request for original information from a mobile terminal staying in a first communication area, wherein said cache information is identical to said original information;

    a step of identifying a second cache node storing cache information in a second delivery channel while said mobile terminal is receiving said cache information from said first cache node through said first delivery channel;

    a step of sending by said first cache node to said second cache node a first signal indicating that a portion of said cache information has been delivered to said mobile terminal by said first cache node; and

    a step of delivering said cache information except for said portion of said cache information in response to said first signal from said second cache node to said mobile terminal in a second communication area.

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