YANG Yuan, ZHANG Hailin. Robust Bit-Level M-Algorithm for MIMO Detection[J]. Chinese Journal of Electronics, 2009, 18(4): 719-723.
Citation: YANG Yuan, ZHANG Hailin. Robust Bit-Level M-Algorithm for MIMO Detection[J]. Chinese Journal of Electronics, 2009, 18(4): 719-723.

Robust Bit-Level M-Algorithm for MIMO Detection

  • Received Date: 2008-10-01
  • Rev Recd Date: 2009-02-01
  • Publish Date: 2009-11-25
  • This paper presents a robust and effcient detection algorithm for MIMO wireless systems. Theproposed scheme employs a novel combination of bitlevel signal representation, MMSE-preprocessing and Malgorithm. The proposed bit-level algorithm exploits thestructure of the QAM constellation by separating eachbit of the signal to reduce the associated complexity ofthe listing and metric updating steps. In the joint detection/decoding systems, the proposed scheme visits lessnumber of nodes by exploiting the extrinsic informationobtained by the decoder. Our scheme may be employed inthe rank-deficient system. Simulation results demonstratethat the bit-level detector achieves almost the same performance as the existing M-algorithm and it achieves a moresignificant gain in terms of complexity reduction.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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