Feedback threshold with guaranteed QoS in multiuser OFDM systems

doi:10.1016/S1005-8885(08)60196-X

中国邮电高校学报(英文) ›› 2009, Vol. 16 ›› Issue (2): 24-28.doi: 10.1016/S1005-8885(08)60196-X

Feedback threshold with guaranteed QoS in multiuser OFDM systems

杨睿哲,袁超伟,滕颖蕾, ZHANG Yan-hua

School of Information and Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-04-30
通讯作者: 杨睿哲

Feedback threshold with guaranteed QoS in multiuser OFDM systems

YANG Rui-zhe, YUAN Chao-wei, TENG Ying-lei, ZHANG Yan-hua

School of Information and Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:1900-01-01 Revised:1900-01-01 Online:2009-04-30
Contact: YANG Rui-zhe

摘要/Abstract

摘要：

A threshold setting scheme is proposed based on the resource management and limited feedback theory in multiuser orthogonal frequency division multiplexing (OFDM) systems. In adaptive resource allocation, the factors denoting the quality of service (QoS) and fairness are both considered as the user weight. From the aspect of feedback outage probability, the proposed algorithm sets the threshold for each user related to its weight, which brings enough feedback to the user with greater weight. Analysis and simulation results show that, compared with the threshold ignoring weights, the proposed scheme has much lower feedback load while with better QoS.

关键词:

OFDM,;multiuser,;multimedia;traffic,;limited;feedback

Abstract:

Key words:

OFDM;multiuser;multimedia traffic;limited feedback

YANG Rui-zhe, YUAN Chao-wei, TENG Ying-lei, ZHANG Yan-hua. Feedback threshold with guaranteed QoS in multiuser OFDM systems[J]. Acta Metallurgica Sinica(English letters), 2009, 16(2): 24-28.

参考文献

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Feedback threshold with guaranteed QoS in multiuser OFDM systems

Feedback threshold with guaranteed QoS in multiuser OFDM systems

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