A Signal Detection Method for Uplink Multiuser Systems Based on Collaborative Spatial Multiplexing 


Vol. 35,  No. 2, pp. 229-237, Feb.  2010


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  Abstract

The conventional detection methods developed for spatially-multiplexed MIMO systems such as OSIC and QRD-M show performance difference for each user depending on the order of detection when they are applied to detection of multi-user signals in uplink multiuser systems based on collaborative spatial multiplexing. In this paper, a signal detection method for uplink multiuser systems based on collaborative spatial multiplexing is proposed to provide similar performance for each user while its performance is close to the case of ML detection. Compared with QRD-M method, computational complexity of the proposed signal detection method is similar in the case of QPSK, and significantly lower in the case of high modulation order with 16-QAM and 64-QAM.

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  Cite this article

[IEEE Style]

T. H. Im, Y. J. Kim, J. Jung, Y. S. Cho, "A Signal Detection Method for Uplink Multiuser Systems Based on Collaborative Spatial Multiplexing," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 229-237, 2010. DOI: .

[ACM Style]

Tae Ho Im, Yeong Jun Kim, Jae-Hoon Jung, and Yong Soo Cho. 2010. A Signal Detection Method for Uplink Multiuser Systems Based on Collaborative Spatial Multiplexing. The Journal of Korean Institute of Communications and Information Sciences, 35, 2, (2010), 229-237. DOI: .

[KICS Style]

Tae Ho Im, Yeong Jun Kim, Jae-Hoon Jung, Yong Soo Cho, "A Signal Detection Method for Uplink Multiuser Systems Based on Collaborative Spatial Multiplexing," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 229-237, 2. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880