×

Mimo wireless communication greenfield preamble formats

  • US 20070263564A1
  • Filed: 07/10/2007
  • Published: 11/15/2007
  • Est. Priority Date: 02/13/2004
  • Status: Active Grant
First Claim
Patent Images

1. A method for multiple input multiple output wireless communication, the method comprises:

  • determining protocols of wireless communication devices within a proximal region;

    determining whether the protocols of the wireless communication devices within the proximal region are of a like protocol;

    determining number of transmit antennas; and

    when the protocols of the wireless communication devices within the proximal region are of the like protocol, formatting a preamble of a frame of the wireless communication utilizing at least one of cyclic shifting of symbols, cyclic shifting of tones, sparse tone allocation, and sparse symbol allocation based on the number of transmit antennas.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×