Method and apparatus for transmitting and receiving data in a MIMO system

  • US 9,900,067 B2
  • Filed: 01/03/2014
  • Issued: 02/20/2018
  • Est. Priority Date: 03/12/2010
  • Status: Active Grant
First Claim
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1. A wireless communication method, the method comprising:

  • receiving, by a receiver, a Very High Throughput Signal A (VHT-SIG-A) field on an operating band, the operating band comprising a plurality of 20 MHz bands; and

    receiving, by the receiver, a Very High Throughput Signal B (VHT-SIG-B) field on the operating band,wherein;

    the VHT-SIG-A field is transmitted on each of the plurality of 20 MHz bands;

    the VHT-SIG-B field comprises a first portion of bits, wherein the first portion of bits is repeated in the VHT-SIG-B field;

    the first portion of bits comprises a length indicator; and

    a first number of bits representing the length indicator when the operating band is 40 MHz is smaller than a second number of bits representing the length indicator when the operating band is equal to or larger than 80 MHz.

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