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Multi-mode terminal in a wireless MIMO system

  • US 7,324,429 B2
  • Filed: 10/23/2003
  • Issued: 01/29/2008
  • Est. Priority Date: 10/25/2002
  • Status: Active Grant
First Claim
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1. A terminal in a wireless multiple-input multiple-output (MIMO) communication system, comprising:

  • a mode selector operable to select a spatial multiplexing mode from among a plurality of spatial multiplexing modes supported by the terminal, wherein each of the plurality of spatial multiplexing modes supports simultaneous transmission of multiple data symbol streams via multiple spatial channels of a MIMO channel formed with a plurality of antennas at the terminal;

    a transmit spatial processor operable to spatially process a first plurality of data symbol streams in accordance with the selected spatial multiplexing mode to obtain a plurality of transmit symbol streams for transmission from the plurality of antennas and via a first communication link; and

    a receive spatial processor operable to spatially process a plurality of received symbol streams, obtained from the plurality of antennas, in accordance with the selected spatial multiplexing mode to obtain a plurality of recovered data symbol streams, which are estimates of a second plurality of data symbol streams sent via a second communication link.

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