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      • Dept. of Electrical and Electronics Engineering - Master's degree
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      •   BUIR Home
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      • Bilkent Theses
      • Theses - Department of Electrical and Electronics Engineering
      • Dept. of Electrical and Electronics Engineering - Master's degree
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      V-BLAST/MAP : a new symbol detection algorithm for mimo channels

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      Author(s)
      Yapıcı, Yavuz
      Advisor
      Arıkan, Erdal
      Date
      2005
      Publisher
      Bilkent University
      Language
      English
      Type
      Thesis
      Item Usage Stats
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      Abstract
      In this thesis, we introduce a new symbol detection algorithm for MIMO channels. This algorithm is an extension of the well-known V-BLAST algorithm. The new algorithm, V-BLAST/MAP, combines elements of the V-BLAST algorithm and the maximum a-posteriori (MAP) rule. The original V-BLAST algorithm is a multi-layer symbol detection scheme which detects symbols transmitted at different transmit antennas successively in a certain data-independent order. The proposed V-BLAST/MAP algorithm differs from V-BLAST only in the ordering strategy of the symbols detected. The complexity of the V-BLAST/MAP is higher than that of V-BLAST; however, the performance improvement is also significant. Simulations show that V-BLAST/MAP achieves symbol error rates close to the optimal maximum likelihood (ML) scheme while retaining the low-complexity nature of the V-BLAST.
      Keywords
      MIMO
      MAP
      V-BLAST
      ML
      Permalink
      http://hdl.handle.net/11693/29609
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      • Dept. of Electrical and Electronics Engineering - Master's degree 655
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