Proceedings of the Korean Operations and Management Science Society Conference (한국경영과학회:학술대회논문집)
- 2006.11a
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- Pages.674-677
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- 2006
Resource Allocation in OFDMA System with User Cooperation
협동 전송 방식을 이용한 OFDMA 시스템에서의 자원 관리에 관한 연구
- Han, Young-Goo (Department of Industrial Engineering, KAIST) ;
- Kim, Se-Hun (Department of Industrial Engineering, KAIST)
- Published : 2006.11.17
Abstract
Orthogonal frequency division multiple access (OFDMA) has emerged as one of the core multiple access schemes in 4G to mitigate the problems of frequency selectivity and inter-symbol interferences. In OFDMA, cooperative transmission can be adopted in transmission between each user and base station. Cooperative transmission can provide better channel environments and additional transmitter diversity. In this paper, we formulate a user and subcarrier assignment problem in OFDMA system with user cooperation and propose an efficient scheme to solve it.