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Method and apparatus for performing channel estimation and equalization based on a signal field of a received packet

  • US 9,252,999 B1
  • Filed: 09/29/2014
  • Issued: 02/02/2016
  • Est. Priority Date: 10/08/2013
  • Status: Active Grant
First Claim
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1. A network device comprising:

  • a receiver module configured to receive a packet wirelessly transmitted over a channel to the network device, wherein the packet comprises a signal field, and wherein the signal field (i) comprises a plurality of bits, or (ii) has a corresponding plurality of sub-carriers;

    a first channel estimate module configured to, (i) based on the signal field, perform a plurality of determinations, wherein each of the plurality of determinations indicates whether a respective one of the plurality of bits or a respective one of the plurality of sub-carriers has been modulated with a first predetermined value or a second predetermined value, and (ii) based on the plurality of determinations, output a first channel estimate of the channel; and

    a frequency equalizer configured to (i) receive a first signal comprising the packet, and (ii) equalize the first signal based on the first channel estimate.

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