Method and apparatus for allocating a pilot signal adapted to the channel characteristics

Method and apparatus for allocating a pilot signal adapted to the channel characteristics

  • CN 1,891,007 B
  • Filed: 12/01/2004
  • Issued: 09/28/2011
  • Est. Priority Date: 12/12/2003
  • Status: Active Grant
First Claim
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1. adopt one dimension wherein be the bidimensional at least of frequency multi-carrier resource space (100), be used for the method for wireless communication of multi-user'"'"'s multi-carrier communications systems (10), described multi-carrier communications systems (10) allows data flow to be divided into a series of parallel data streams, wherein each transmits simultaneously through ovennodulation and with different frequency, said method comprising the steps of:

  • -be first node (20,30;

    30A-B) with Section Point (20,30;

    The first resource subspace (108A-F) in the whole described multi-carrier resource of the allocation of communications 30A-B) space (100);

    The described first resource subspace (108A-F) comprises the resource of a more than carrier wave;

    And-obtain and first node (20,30;

    30A-B) and Section Point (20,30;

    The data of first evaluating wireless electricity condition association of the communication 30A-B),It is characterized in that following other step;

    -be first node (20,30;

    30A-B) with the 3rd node (20,30;

    The second resource subspace (108A-F) in the whole described multi-carrier resource of the allocation of communications 30A-B) space (100);

    The described second resource subspace (108A-F) comprises the resource of a more than carrier wave,-obtain and first node (20,30;

    30A-B) with the 3rd node (20,30;

    The data of second evaluating wireless electricity condition association of the communication 30A-B),-provide to use and estimate the approach that at least two pilot resources of node radio condition design dispose to difference,Thus, the pilot resources configuration association of the first resource subspace (108A-F) and the pilot tone demand that meets first evaluating wireless electricity condition, and the pilot resources configuration association of second resource subspace (108A-F) and the pilot tone demand that meets second evaluating wireless electricity condition, andThus, at least one in the first resource subspace (108A-F) and the second resource subspace (108A-F) comprises having the pilot resources in described first resource subspace (108A-F) or the described second resource subspace (108A-F) and the carrier wave of data resource respectively.

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