Generalized analysis model for fractional frequency reuse

doi:10.1016/S1005-8885(09)60499-4

中国邮电高校学报(英文) ›› 2010, Vol. 17 ›› Issue (5): 1-5.doi: 10.1016/S1005-8885(09)60499-4

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Generalized analysis model for fractional frequency reuse

郤伟¹,乐光新¹,尹长川²

1. 北京邮电大学
2. 北京邮电大学信息与通信工程学院

收稿日期:2009-05-21 修回日期:2010-07-21 出版日期:2010-10-30 发布日期:2010-10-31
通讯作者: 郤伟 E-mail:xiwei19800919@gmail.com
基金资助:
国家级.国家自然科学基金;国家级.国家“863计划”项目

Generalized analysis model for fractional frequency reuse

Laboratory of Wireless Communication Systems and Networks, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2009-05-21 Revised:2010-07-21 Online:2010-10-30 Published:2010-10-31
Contact: Shaka Xi E-mail:xiwei19800919@gmail.com

摘要/Abstract

摘要：

Fractional frequency reuse (FFR) is an effective technique to mitigate co-channel interference in orthogonal frequency division multiple access (OFDMA)-based broadband cellular systems. In this paper, we present a generalized model for FFR under which all existing FFR schemes can be considered as its special cases. Additionally, quality factor has been proposed to indicate the quality of the subband. An interesting conclusion can be drawn that, as the power ratio in FFR is adjusted continuously, the corresponding quality factor varies smoothly. Subsequently, simulation is conducted based on worldwide interoperability for microwave access (WiMAX), and the result agrees well with our theoretical analysis. Finally, an effective range for power ratio is presented, which is very instructive to practical system design

关键词:

co-channel interference, FFR, power ratio

Abstract:

Key words:

co-channel interference, FFR, power ratio

XI Wei, YIN Chang-Chuan, LE Guang-Xin, SUN Gong-Mei. Generalized analysis model for fractional frequency reuse[J]. Acta Metallurgica Sinica(English letters), 2010, 17(5): 1-5.

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Generalized analysis model for fractional frequency reuse

Generalized analysis model for fractional frequency reuse

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