Adaptive loading for orthogonal frequency division multiplex (OFDM) communication systems

Adaptive loading for orthogonal frequency division multiplex (OFDM) communication systems

  • CN 102,171,965 A
  • Filed: 10/08/2009
  • Published: 08/31/2011
  • Est. Priority Date: 10/08/2008
  • Status: Active Application
First Claim
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1. one kind is used for carrying out the method that self adaptation loads in OFDM (OFDM) communication system, comprising:

  • With at least one in a plurality of classification of subcarrier clustering, wherein said clustering is based on feedback, and wherein each classification has the associated data rate;

    Divide with size than the littler encoded data bits of OFDM frame with corresponding in described a plurality of classification described at least one, wherein described encoded data bits is carried out rate adaptation with the associated data rate corresponding to described classification;

    According in described a plurality of classification described at least one cushion described data bit through rate adaptation, wherein each classification has associated buffers;

    AndWith the described data map that cushions to the corresponding sub-carrier group for transfer of data.

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