Title :
A Low-Complexity Detection Scheme for Generalized Spatial Modulation Aided Single Carrier Systems
Author :
Lixia Xiao ; Lilin Dan ; Yunjiao Zhang ; Yue Xiao ; Ping Yang ; Shaoqian Li
Author_Institution :
Nat. Key Lab. of Sci. & Technol. on Commun., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
Generalized spatial modulation (GSM), which combines spatial modulation (SM) and vertical Bell Laboratories layered space-time (V-BLAST), is a novel attractive multi-input multi-output (MIMO) technique. In this letter, a low-complexity near-optimal detection scheme is presented for GSM aided single carrier (SC) transmission over dispersive channels. Compared to the conventional partial interference cancellation receiver with successive interference cancellation (PIC-R-SIC), the proposed scheme offers a near maximum likelihood (ML) detection performance while avoiding complicated matrix operations, which allows it to exhibit a lower computational complexity. Simulation results show that the proposed scheme provides a considerable performance improvement compared to PIC-R-SIC, especially in rank-deficient channels scenarios.
Keywords :
MIMO communication; computational complexity; dispersive channels; maximum likelihood detection; wireless channels; GSM aided SC transmission; MIMO technique; ML detection; V-BLAST; complicated matrix operation avoidance; computational complexity; dispersive channel; generalized spatial modulation aided single carrier system; low-complexity near-optimal detection scheme; maximum likelihood detection; multiinput multioutput technique; rank-deficient channels scenarios; vertical Bell Laboratory layered space time; Bit error rate; Complexity theory; Detectors; GSM; Modulation; Receivers; Vectors; Generalized spatial modulation (GSM); maximum likelihood (ML) detection; rank-deficient; single carrier (SC);
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2015.2404444
