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WiBro 휴대 인터넷 시스템을 위한 자원 할당 알고리듬 비교 분석
여혜진,양주영,김정호,Yeou Hye-jin,Yang Joo-young,Kim Jeong-ho 한국통신학회 2005 한국통신학회논문지 Vol.30 No.6A
In this paper, we implement resource allocation algorithm based on the WiBro system which including OFDMA, TDD, and we propose the algorithm in order to increase bandwidth efficiency. In this algorithm, data is allocated from the subchannel which has large channel gain to the subchannel which has small channel gain with maximum modulation order. The moment total power is more than available power, the modulation order of the latest subchannel is adjusted. The problem of decreasing of throughput in large channel attenuation environment is solved by allocating additional power. Still, this algorithm has large bandwidth efficiency.