An Improved Ordering Method for MIMO Signal Detection Using QR Decomposition and Successive Interference Cancellation 


Vol. 34,  No. 10, pp. 1010-1015, Oct.  2009


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  Abstract

In this paper, we propose a novel detection ordering technique for MIMO signal detection methods based on QR decomposition and successive interference cancellation (SIC). Recently, new signal detection methods for spatially multiplexed (SM) MIMO systems were proposed, where all the constellation points are tried as the first layer symbol, and the remaining layer symbols are estimated via SIC, producing candidate vectors. Finally, the ML metric values are calculated for the candidate vectors, that are again used to select the best symbol vector. It was also shown that the ordering method in the conventional V-BLAST is not suitable to these signal detection methods. In this paper, we propose a novel ordering method, and we show via computer simulations that the proposed ordering method improves the error performance.

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  Cite this article

[IEEE Style]

S. Bak, J. Kim, W. Y. Yang, "An Improved Ordering Method for MIMO Signal Detection Using QR Decomposition and Successive Interference Cancellation," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 10, pp. 1010-1015, 2009. DOI: .

[ACM Style]

Sanghyun Bak, Jae-kwon Kim, and Won Young Yang. 2009. An Improved Ordering Method for MIMO Signal Detection Using QR Decomposition and Successive Interference Cancellation. The Journal of Korean Institute of Communications and Information Sciences, 34, 10, (2009), 1010-1015. DOI: .

[KICS Style]

Sanghyun Bak, Jae-kwon Kim, Won Young Yang, "An Improved Ordering Method for MIMO Signal Detection Using QR Decomposition and Successive Interference Cancellation," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 10, pp. 1010-1015, 10. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880