A Compressed Sensing-Based Signal Recovery Technique for Multi-User Spatial Modulation Systems 


Vol. 39,  No. 7, pp. 424-430, Jul.  2014


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  Abstract

In this paper, we propose a compressed sensing-based signal recovery technique for an uplink multi-user spatial modulation (MU-SM) system. In the MU-SM system, only one antenna among N<SUB>t</SUB> antennas of each user becomes active by nature. Thus, this characteristics is exploited for signal recovery at a base station. We modify the conventional orthogonal matching pursuit (OMP) algorithm which has been widely used for sparse signal recovery in literature for the MU-SM system, which is called MU-OMP. We also propose a parallel OMP algorithm for the MU-SM system, which is called MU-POMP. Specifically, in the proposed algorithms, antenna indices of a specific user who was selected in the previous iteration are excluded in the next iteration of the OMP algorithm. Simulation results show that the proposed algorithms outperform the conventional OMP algorithm in the MU-SM system.

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  Cite this article

[IEEE Style]

J. Park, T. Ban, B. C. Jung, "A Compressed Sensing-Based Signal Recovery Technique for Multi-User Spatial Modulation Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 7, pp. 424-430, 2014. DOI: .

[ACM Style]

Jeonghong Park, Tae-Won Ban, and Bang Chul Jung. 2014. A Compressed Sensing-Based Signal Recovery Technique for Multi-User Spatial Modulation Systems. The Journal of Korean Institute of Communications and Information Sciences, 39, 7, (2014), 424-430. DOI: .

[KICS Style]

Jeonghong Park, Tae-Won Ban, Bang Chul Jung, "A Compressed Sensing-Based Signal Recovery Technique for Multi-User Spatial Modulation Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 7, pp. 424-430, 7. 2014.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880