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Efficient subcarrier allocation for stable services in multi-user OFDM systems
- Lee, Jaeyoon;
- Yoon, Dongweon;
- Jeong, Woo Jin;
- Cha, Kyunghwan;
- Kim, Eunyoung;
- 외 1명
Citations
SCOPUS
2초록
Adaptive Resource Allocation is a method of allocation for utilizing limited resources effectively in multi-user Orthogonal Frequency Division Multiplexing (OFDM) systems. In this paper, the allocation method in two steps that adaptively allocate subcarrier to every user is proposed. It makes use of bit-error rate (BER), user's minimum data rate requirement and channel state information for maximizing spectral efficiency while satisfying every user's Quality of Service (QoS). As the result, the proposed subcarrier allocation method is adaptable for more users in comparison with the conventional the algorithm method and improves performance of spectral efficiency.
키워드
Multi-user OFDM; Orthogonal Frequency Division Multiplexing (OFDM); Resource allocation; Subcarrier allocation; Adaptive systems; Bit error rate; Error analysis; Frequency division multiplexing; Orthogonal frequency division multiplexing; Planning; Quality of service; Resource allocation; Spectrum analyzers; Telecommunication; Telecommunication systems; Wireless telecommunication systems; Adaptive resource allocations; Channel state informations; Data rate requirement; Error Rate; Limited resources; Mobile and wireless communications; Multi users; Multi-user OFDM; Multi-user OFDM systems; Orthogonal Frequency Division Multiplexing (OFDM); Spectral efficiencies; Sub carriers; Subcarrier allocation; Frequency allocation
- 제목
- Efficient subcarrier allocation for stable services in multi-user OFDM systems
- 저자
- Lee, Jaeyoon; Yoon, Dongweon; Jeong, Woo Jin; Cha, Kyunghwan; Kim, Eunyoung; Park, Sang Kyu
- 발행일
- 2007-07
- 유형
- Conference Paper
- 저널명
- 2007 16th IST Mobile and Wireless Communications Summit
- 페이지
- 1 ~ 4