Open AccessPerformance of scheduled space–time block coding scheme in cognitive multiple‐input–single‐output networks with imperfect channel state information
Author(s) -
Yang Jing,
Huang Hua,
Nguyen Hien M.,
Dong Zhicheng
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.2018.0121
Subject(s) - computer science , coding (social sciences) , imperfect , channel (broadcasting) , cognition , computer network , algorithm , mathematics , psychology , statistics , philosophy , linguistics , neuroscience
In this study, the authors study a cognitive multiple‐input‐single‐output network, where the secondary base station (BS) communicates with a secondary destination scheduled from K candidate users. Assuming the scheduled space–time block coding scheme, they investigate the system performance and obtain the exact expressions for the outage probability (OP), symbol error rate (SER) and the achievable rates, taking into account the imperfect channel state information in the secondary BS to secondary receiver Rx link and secondary BS to primary Rx link. Furthermore, the asymptotic expressions for OP and SER in high sigal‐to‐noise ratio region are obtained, from which the coding and diversity gains are readily deduced. Finally, extensive performance evaluation results accompanied with equivalent ones obtained by simulations are provided to verify their analysis.