Base station apparatus and resource allocation method

  • US 9,693,353 B2
  • Filed: 08/24/2016
  • Issued: 06/27/2017
  • Est. Priority Date: 11/14/2008
  • Status: Active Grant
First Claim
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1. A communication apparatus, comprising:

  • a scheduler, which, in operation, determines a resource allocation to map each of a plurality of precoded symbol sequences to a plurality of frequency resources, each of the plurality of frequency resources being located on a separate position from other frequency resource(s) on a frequency axis, wherein the plurality of precoded symbol sequences are to be generated by multiplying a plurality of symbol sequences by a precoding matrix, each symbol sequence corresponding to one of a plurality of layers, wherein a first plurality of frequency resources to which a first precoded symbol sequence is mapped, and a second plurality of frequency resources to which a second precoded symbol sequence is mapped share;

    a number of clusters used to map each precoded symbol sequence;

    cluster sizes; and

    a frequency position of each cluster, each of the cluster sizes being a discontinuous frequency bandwidth;

    a transmitter, which, in operation, transmits information indicating the determined resource allocation;

    a receiver, which, in operation, receives a signal including the plurality of precoded symbol sequences which are mapped to the plurality of frequency resources; and

    a combiner, which, in operation, combines the plurality of frequency resources to generate symbol sequences, wherein when a plurality of codewords are used, the plurality of precoded symbol sequences derive from a plurality of first symbol sequences corresponding to a first codeword and a plurality of second symbol sequences corresponding to a second codeword which is different from the first codeword.

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