Open AccessPerformance analysis of quadrature spatial modulation in two‐way relaying cooperative networks
Author(s) -
Althunibat Saud,
Mesleh Raed
Publication year - 2018
Publication title -
iet communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.355
H-Index - 62
eISSN - 1751-8636
pISSN - 1751-8628
DOI - 10.1049/iet-com.2017.0843
Subject(s) - relay , computer science , node (physics) , decodes , quadrature (astronomy) , spectral efficiency , coding (social sciences) , topology (electrical circuits) , computer network , decoding methods , electronic engineering , telecommunications , mathematics , channel (broadcasting) , physics , engineering , power (physics) , statistics , quantum mechanics , combinatorics
The recently proposed quadrature spatial modulation (QSM) has drawn an increasing attention due to its high spectral efficiency compared with the previous space modulation schemes. In this study, the performance of QSM in two‐way decode‐and‐forward relaying cooperative networks is investigated. In two‐way relaying cooperative networks, two source nodes are allowed to simultaneously transmit data on the same time slot to a relay node. The relay node decodes the transmitted data from both transmitting nodes and retransmits them in the next time slot. Using network coding techniques, each node is able to decode the data of the other node upon accomplishing the second time slot. Considering QSM as the adopted modulation at all nodes, the average bit error rates at the source nodes and the relay are formulated in a closed form expression. Obtained results reveal that QSM‐based two‐way relaying can achieve better error performance than other related scenarios.