Spatial Multiuser Access for Reverse Link of Multiuser MIMO Systems 


Vol. 33,  No. 10, pp. 980-986, Oct.  2008


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  Abstract

Spatial multiuser access is investigated for the reverse link of multiuser multiple-input multiple-output (MIMO) systems. In particular, we consider two alternative approaches to spatial multiuser access that adopt the same detection algorithm at the base station: one is a closed-loop approach based on singular value decomposition (SVD) of the channel matrix, whereas the other is an open-loop approach based on space-time block coding (STBC). We develop multiuser detection algorithms for these two spatial multiuser access schemes based on the minimum mean square error (MMSE) criterion. Then, we compare the bit error rate (BER) performance of the two schemes and a single-user MIMO scheme. Interestingly, it is found that the STBC approach can provide much better BER performance than the SVD approach as well as than a single-user MIMO scheme.

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  Cite this article

[IEEE Style]

O. Shin, "Spatial Multiuser Access for Reverse Link of Multiuser MIMO Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 10, pp. 980-986, 2008. DOI: .

[ACM Style]

Oh-Soon Shin. 2008. Spatial Multiuser Access for Reverse Link of Multiuser MIMO Systems. The Journal of Korean Institute of Communications and Information Sciences, 33, 10, (2008), 980-986. DOI: .

[KICS Style]

Oh-Soon Shin, "Spatial Multiuser Access for Reverse Link of Multiuser MIMO Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 10, pp. 980-986, 10. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880