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http://dx.doi.org/10.6109/JKIICE.2009.13.8.1673

Adaptive Rate Control for Wireless Multicast  

Kim, Sung-Won (영남대학교 전자정보공학부)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.13, no.8, 2009 , pp. 1673-1678 More about this Journal
Abstract
Multicast can transmit data packet to multiple terminals by using only one transmission and enhances the system performance. However, the multicast transmission rate is fixed and the system performance is not optimized. In this paper, we propose an adaptive multicast rate control method. In the proposed method, orthogonal subcarrier is assigned to each terminal. Each terminal informs the channel status using the allocated subcarrier. Transmitter selects the optimal rate using the feedback information. With the proposed adaptive rate control method, the system performance is enhanced compared with the legacy multicast method.
Keywords
멀티캐스트;전송률 제어;서브캐리어;무선 네트워크;
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