In-Sequence Zeros-Ones Patterns Exploiting Approach for Spatial Modulation Performance Enhancement

Document Type : Original Article

Authors

Dept. of Electronics and Electrical Communication, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt.

Abstract

This paper presents a proposed approach for enhancing both the
spectral efficiency of spatial modulation and symbol error rate. The
main idea is to exploiting repeated long zeros and ones sequences
in the transmitted data, and mapping them into the signal
constellation of Three Dimension (3-D) spatial constellation of
spatial modulation. The obtained results indicate that the symbol
error rate (SER) performance of the proposed algorithm is better as
compared to traditional spatial modulation (SM), at a certain
number of modulated-symbol selecting bits. The performance
enhancement is affirmed by Monte Carlo simulations that show a
significant improvement in SER in favor of the proposed approach
compared to traditional SM. In addition, the proposed approach
provides more improvement of SER performance, especially, when
the number of receiving antennas is increased. Furthermore, it
provides an improvement of spectral efficiency as compared to
traditional spatial modulation.

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