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Receiver terminal driven joint encoder and decoder mode adaptation for SU-MIMO systems

  • US 9,048,977 B2
  • Filed: 05/03/2010
  • Issued: 06/02/2015
  • Est. Priority Date: 05/05/2009
  • Status: Active Grant
First Claim
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1. A wireless communication system comprising:

  • a transmitter that is operable to transmit wireless signals using any of a plurality of encoding modes representing one or more transmission rates; and

    a user terminal having a receiver comprisinga decoding module to decode communications from the transmitter over a multiple-input, multiple output (MIMO) channel using a decoding mode selected from a plurality of decoding modes, wherein at least one of the encoding modes is operable with more than one of the decoding modes, anda joint selection module to jointly select the decoding mode from the plurality of decoding modes to be used by the user terminal with an encoding mode from the plurality of encoding modes to be used by the transmitter, the joint selection based on being able to successfully transmit a corresponding data stream at a rate given by the encoding mode given channel conditions, and additionally the joint selection based on a combination of receiver-dependent criteria corresponding to the jointly selected decoding mode and encoding mode;

    channel information, receiver hardware and state, and application-specific constraints, the joint selection module being operable to send information to identify the selected encoding mode to the transmitter using a feedback channel.

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