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학술지 Optimal Time Allocation for Two-Way Relay Channel Using Physical-Layer Network Coding
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저자
조대순, 심영규, 박현철
발행일
201409
출처
IET Communications, v.8 no.14, pp.2469-2475
ISSN
1751-8628
출판사
IET
DOI
https://dx.doi.org/10.1049/iet-com.2014.0253
협약과제
14MI9100, (통합)초연결 스마트 모바일 서비스를 위한 5G 이동통신 핵심기술개발, 정현규
초록
This study proposes an optimal time allocation scheme for two-way relay channel (TWRC) using the physical-layer network coding (PNC). In other words, this study analytically determines the optimal transmit time durations for the first and the second time slot, which maximise the achievable sum rate under a sum time constraint for a given squared magnitude of the channel coefficients and transmit power values. Numerical results show that the achievable sum rate for the proposed optimal time allocation is greater than or equal to that for equal time allocation.
KSP 제안 키워드
Allocation scheme, Channel Coefficients, Numerical results, Time slot, Transmit power, achievable sum rate, optimal time, physical-layer network coding(PNC), time allocation, time constraint, two-way relay channel