NDLI: Performance of Cooperative Spatial Modulation with AF Protocol in Wireless Relay Network

Content Provider	IET Digital Library
Author	U, Xiangbin Y N, Qing P A G, Cheng W A N
Abstract	By combing Spatial modulation (SM) with the Amplify-and-forward (AF) cooperative communication, a cooperative SM scheme with AF (AF-SM) protocol is presented, and the corresponding Bit error rate (BER) performance is investigated. Based on the performance analysis, the error probability of antenna index estimation (P a) and the error probability of symbol estimation (P d), which constitutes the overall average BER, are derived, respectively. As a result, tightly approximate closedform expressions of P a and P d are attained, respectively. Using these expressions, the closed-form overall average BER is achieved. During the analysis, the computational complexity of AF-SM detector is also provided in terms of the complex addition and multiplication numbers. Besides, the asymptotic BER at high SNR and the corresponding diversity gain are further derived, and the resultant diversity gain of N r + 1 is obtained for the system with N r receive antennas. Simulation results show that our theoretical analysis is valid, and provides good performance evaluation method for cooperative SM system. Moreover, the BER performance can be effectively improved as N r increases due to higher diversity gain.
Starting Page	143
Ending Page	151
Page Count	9
ISSN	10224653
Volume Number	28
e-ISSN	20755597
Issue Number	Issue 1, Jan (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/cje/28/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/cje.2018.11.007
Journal	Chinese Journal of Electronics
Publisher Date	2019-01-01
Access Restriction	Open
Rights Holder	© Chinese Institute of Electronics
Subject Keyword	AF Cooperative Communication AF Protocol AF-SM Detector Amplify And Forward Communication Amplify-and-forward Protocol Antenna Index Estimation BER Performance Bit Error Rate Performance Communication Complexity Computational Complexity Cooperative Communication Cooperative SM Scheme Cooperative Spatial Modulation Scheme Error Probability Error Statistics Multiplication Numbers Performance Evaluation Method Protocol Radio Link And Equipment Receive Antenna Receiving Antenna Relay Network Single Antenna SNR Statistics Symbol Estimation Telecommunication Wireless Relay Network
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering

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