Method and device for facilitating efficient data transfer via a wireless communication network

  • US 6,885,643 B1
  • Filed: 09/28/2000
  • Issued: 04/26/2005
  • Est. Priority Date: 09/30/1999
  • Status: Active Grant
First Claim
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1. A terminal device for control of data between communicating entities on a network via a wireless link, comprising:

  • an interface section for performing sending and receiving of packets with a remote communicating entity;

    a link setting section for setting a link for control and for data transfer with the remote communicating entity;

    a wireless link information acquisition section for acquiring wireless link information indicating the condition of a wireless link between said terminal device the remote communicating entity in the network at the time of setting the link, and for updating the wireless link information acquired at the time of setting the link by the current dynamically acquired wireless link information, the wireless link information including at least transmittable bandwidth information;

    a wireless link information storage section for storing the acquired or updated wireless link information as Descriptor information referable by the remote communicating entity; and

    an application section for, based on the wireless link information stored in the wireless link information storage section, determining whether or not data can be transferred and, if data transfer is possible, changing a transmission rate for transfer of data with the remote communicating entity, in accordance with the wireless link information.

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