Multirate wireless data communication system

  • US 5,706,428 A
  • Filed: 03/14/1996
  • Issued: 01/06/1998
  • Est. Priority Date: 03/14/1996
  • Status: Expired due to Term
First Claim
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1. A method of operating a wireless local area network station adapted to transmit and receive messages at a plurality of data rates, wherein said messages include an initial portion and a data portion, including the steps of:

  • transmitting the initial portion of a message to be transmitted by a station at a first predetermined data rate;

    including in said initial portion at a data rate identification segment identifying a selected one of a plurality of data rates, at which said data portion is to be transmitted, and a length segment representing the length of time which would be required for a transmission of said data portion at one of said plurality of data rates; and

    transmitting said data portion at said selected one of said plurality of data rates.

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