상세정보
학술지
Space-time codes with full antenna diversity using weighted nonbinary repeat-accumulate codes
- 저자
- 오종의, Kyeongcheol Yang
- 발행일
- 200311
- 출처
- IEEE Transactions on Communications, v.51 no.11, pp.1773-1778
- ISSN
- 0090-6778
- 출판사
- IEEE
- 협약과제
- 02MR2200, 초고속패킷 무선전송기술연구, 한기철
- 초록
- Like turbo codes, repeat-accumulate codes have remarkably good performance when r ?돟 3, where r is the number of repetition times. In this letter, we present space-time codes with full antenna diversity using "weighted" nonbinary repeat-accumulate codes. Compared with the space-time turbo codes in Liu et al. and Su et al., the main advantage of this new scheme is to construct space-time codes with full diversity for any m ?돞 r and any length of frame without searching for interleavers, where m is the number of transmit antennas. These space-time codes have rate m/r and so, have full rate when m = r. Furthermore, they have an efficient decoding based on the message passing algorithm.
- KSP 제안 키워드
- Antenna diversity, Efficient decoding, Full diversity, Repetition times, Space time(ST), Space-time codes, message passing algorithm(MPA), repeat-accumulate codes, transmit antennas, turbo codes