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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2006.11
- 수록면
- 133 - 134 (2page)
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The demand for wireless communication services is tremendously increasing but available radio spectrum has a limitation. Hence the problem of maximizing spectral efficiency is one of the key issues in wireless communication techniques. Several diversity schemes such as spatial diversity and frequency diversity have developed to improve spectral efficiency.
Recently, another form of diversity was studied, called multiuser diversity inherent in a wireless network with multiple users ([2], [3], [7]). The strategy of multiuser diversity is similar to TDMA and assigns the channel to only one user who has the best channel condition. It is known that multiuser diversity is optimal channel assignment scheme in the sense of maximizing the throughput of a multiuser system ([2], [6]).
As one of the solution to the enhancement of spectral efficiency, adaptive modulation and coding (AMC) technique is used for the single user system. This technique can be applied to the multiuser system with multiuser diversity scheme since it can be treated as a single user model under such strate ... 전체 초록 보기
Recently, another form of diversity was studied, called multiuser diversity inherent in a wireless network with multiple users ([2], [3], [7]). The strategy of multiuser diversity is similar to TDMA and assigns the channel to only one user who has the best channel condition. It is known that multiuser diversity is optimal channel assignment scheme in the sense of maximizing the throughput of a multiuser system ([2], [6]).
As one of the solution to the enhancement of spectral efficiency, adaptive modulation and coding (AMC) technique is used for the single user system. This technique can be applied to the multiuser system with multiuser diversity scheme since it can be treated as a single user model under such strate ... 전체 초록 보기
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