Outage Probability Of Joint Relay Selection And Power Allocation For Two-Way Relay Networks Over Rayleigh Fading Channels
2012 IEEE 75TH VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING)(2012)
摘要
This paper investigates the outage probability of joint relay selection and power allocation for two-way relay networks over Rayleigh Fading channels. Firstly, a tight lower bound of outage probability with equal power allocation is derived. Furthermore, a joint relay selection and optimum power allocation scheme is proposed, which minimizes the outage probability, then, a lower bound of outage probability is also obtained. Based-on the closed-form outage probabilities, we obtain a relay selection strategy, which requires only a single integer parameter to be broadcasted to all relays. The analysis is verified by using Monte-Carlo simulations.
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关键词
two-way relay,outage probability,power allocation,relay selection
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