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Unified MIMO transmission and reception

  • US 8,767,701 B2
  • Filed: 08/02/2009
  • Issued: 07/01/2014
  • Est. Priority Date: 07/15/2004
  • Status: Active Grant
First Claim
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1. A method of processing data in a multiple-input multiple-output (MIMO) communication system, comprising:

  • selecting an operating mode from among a plurality of operating modes supported by the system, each operating mode being associated with different spatial processing by a transmitting entity, wherein at least one of the plurality of operating modes utilizes steering transmit diversity and at least one of the plurality of operating modes supports data transmission on one or more spatial channels without steering transmit diversity, wherein the steering transmit diversity is achieved by performing spatial processing with a plurality of steering matrices at the transmitting entity, and wherein each element of the plurality of steering matrices belongs in a set comprising +1, −

    1, +j, and −

    j, where j is a square root of −

    1; and

    performing spatial processing for data transmission or data reception in accordance with the selected operating mode.

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