Open AccessLow‐complexity detection method for spatial modulation based on M ‐algorithm
Author(s) -
Zheng Jianhong,
Yang Xiaobo,
Li Zhe
Publication year - 2014
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
ISSN - 1350-911X
DOI - 10.1049/el.2014.2089
Subject(s) - computational complexity theory , algorithm , modulation (music) , spatial modulation , limit (mathematics) , computer science , bit error rate , decoding methods , mathematics , mimo , telecommunications , channel (broadcasting) , mathematical analysis , philosophy , aesthetics
A novel M ‐algorithm‐based detection method called M ‐algorithm to maximum likelihood (M–ML) is proposed for spatial modulation. The proposed algorithm has fixed complexity and reduces complexity by using a parallel structure to limit the search space of an optimum decoder. The simulation results show that by carefully choosing proper values of M , the new algorithm can reduce the computational complexity significantly while maintaining a near‐optimum bit error rate performance.