Hybrid Detection Algorithm for Spatial Multiplexing MIMO-OFDM System 


Vol. 35,  No. 6, pp. 539-546, Jun.  2010


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  Abstract

In next generation wireless communication systems based on OFDM, multiple-input multiple-output (MIMO) technique is adopted in order to achieve high data throughput with limited bandwidth. As one of MIMO techniques, spatial multiplexing scheme needs high performance data detection algorithm that can be performed with low computational complexity. In this paper, we propose an algorithm that can compute QRM-MLD with reduced complexity. Also, hybrid detection technique is proposed, which can reduce the complexity by selecting between MMSE and QRM-MLD according to the channel condition. The proposed algorithm provides the trade-off between performance and complexity. The computer simulations for downlink transmission in 3GPP LTE system show that less than 0.1dB performance degradation can be achieved at 0.1% BER with 59% reduction on computational complexity compared with the conventional QRM-MLD algorithm.

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  Cite this article

[IEEE Style]

T. Won, S. Kim, J. Lee, Y. Kim, "Hybrid Detection Algorithm for Spatial Multiplexing MIMO-OFDM System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 6, pp. 539-546, 2010. DOI: .

[ACM Style]

Taeyoon Won, Seunghwan Kim, Jinyong Lee, and Younglok Kim. 2010. Hybrid Detection Algorithm for Spatial Multiplexing MIMO-OFDM System. The Journal of Korean Institute of Communications and Information Sciences, 35, 6, (2010), 539-546. DOI: .

[KICS Style]

Taeyoon Won, Seunghwan Kim, Jinyong Lee, Younglok Kim, "Hybrid Detection Algorithm for Spatial Multiplexing MIMO-OFDM System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 6, pp. 539-546, 6. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880