New Spatial Modulation Scheme based on Quaternary Quasi-Orthogonal Sequence for 8 Transmit Antennas 


Vol. 40,  No. 4, pp. 637-645, Apr.  2015


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  Abstract

Recently, a spatial modulation (SM) scheme achieving high throughput based on quaternary quasi-orthogonal sequences (Q-QOSs), referred to as Q-QOS-SM, is presented for Nt = 2n(n=1,2 …) transmit antennas. In this paper, based on the design approach of the conventional Q-QOS-SM, new improved QO-SM (I-QO-SM) schemes are proposed for 8 transmit antennas. The new schemes employ Q-QOSs of length 4 or 2 unlike of 8 in the original one, which guarantees more information bits to be allocated for antenna index parts compared to the conventional Q-QOS-SM. By computer simulation results, the proposed scheme are shown to enjoy much higher throughputs compared to the conventional other SM schemes for all simulation environments. Finally, we also examine and compare analytically the performances of the new and conventional SM schemes by calculating upper-bounds on BER performance.

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  Cite this article

[IEEE Style]

Y. Shang, H. Kim, C. Kim, T. Jung, "New Spatial Modulation Scheme based on Quaternary Quasi-Orthogonal Sequence for 8 Transmit Antennas," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 4, pp. 637-645, 2015. DOI: .

[ACM Style]

Yulong Shang, Hojun Kim, Cheolsung Kim, and Taejin Jung. 2015. New Spatial Modulation Scheme based on Quaternary Quasi-Orthogonal Sequence for 8 Transmit Antennas. The Journal of Korean Institute of Communications and Information Sciences, 40, 4, (2015), 637-645. DOI: .

[KICS Style]

Yulong Shang, Hojun Kim, Cheolsung Kim, Taejin Jung, "New Spatial Modulation Scheme based on Quaternary Quasi-Orthogonal Sequence for 8 Transmit Antennas," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 4, pp. 637-645, 4. 2015.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880