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Adaptive constellation scheme for two-way relay communications
- Kang, Tae-Won;
- Ok, Junho;
- Shin, Dong-Joon
Citations
SCOPUS
0초록
In this paper, an adaptive constellation scheme for two-way relay communication systems with asymmetric channels is proposed. In this scheme, each node transmits codeword generated by the same turbo encoder to a relay node using different signal power and the relay node decodes the received codeword from each node. Then, the relay node re-encodes and combines these two decoded data sequences using new constellation mapping and broadcasts the resulting signal to each node. This new constellation scheme adaptively adjusts the power level for each user's data by considering the channel conditions. It is shown that the proposed scheme has better frame error rate than the fixed constellation case and XOR case.
키워드
Component; Constellation; Power control; Two-way relay communication; Asymmetric channel; Channel conditions; Codeword; Component; Constellation; Constellation mapping; Data sequences; Frame error rate; Power levels; Relay node; Signal power; Turbo encoder; Two-way relay; Communication systems; Information technology; Power control; Relay control systems
- 제목
- Adaptive constellation scheme for two-way relay communications
- 저자
- Kang, Tae-Won; Ok, Junho; Shin, Dong-Joon
- 발행일
- 2010-12
- 유형
- Conference Paper
- 저널명
- 2010 International Conference on Information and Communication Technology Convergence, ICTC 2010
- 페이지
- 393 ~ 394
- 언어
- ENG
- 출판사
- IEEE
- 발행국가
- 미국
- 분량
- 2 페이지
- ISSN
- P 0000-0000