Use the multi carrier modulation scheme of recognition sequence

Use the multi carrier modulation scheme of recognition sequence

  • CN 101,617,514 B
  • Filed: 02/04/2008
  • Issued: 08/24/2016
  • Est. Priority Date: 02/02/2007
  • Status: Active Grant
First Claim
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1. one kind is used for the communication station (12) that can carry out operating according to multi-carrier modulation communication planDevice (24), described device includes:

  • Change data block generator (28), be configured to generation and added with selected by input blockChange data block that constitute, that have selected power index is combined in the conversion disturbing sequence, if byThe first change data block that scramble sequence selected by first and input block are constituted does not produces and can connectBy the peak-to-average power ratio PAPR of grade, then different selected scramble sequence is used to perform at leastOne subsequent iteration, produces the change data block of acceptable PAPR or the most surplus until constitutingTill remaining scramble sequence can be used, wherein select the change data block with optimal available PAPR;

    Described change data block generator also includes Cyclic Prefix part adder, described cyclic prefix portionDivide adder to be configured to Cyclic Prefix and add the change to input block Yu selected scramble sequenceChange combination;

    AndCombiner (32), be configured to by change the Cyclic Prefix of data block and interpolation directly withThe mark sequence identifying selected scramble sequence is added, so that directly and mark sequence is changed dataBlock combines, thus constitutes and sequence, wherein change number sent along when described in sending with sequenceAccording to block and mark sequence, and without identifying the reserved subcarrier of sequence;

    Wherein said mark sequenceSequence length equal to the conversion of input block and the selected scramble sequence that with the addition of Cyclic PrefixThe length of combination.

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