Analysis of Frequency Reuse Cellular Systems Using Worst Case Signal to Interference Ratio

被引：0
|
作者：
Hashima, Sherief [1 ]
Elnoubi, Said
Alghoniemy, Masoud
Shalaby, Hossam [1 ]
Muta, Osamu
Mahmoud, Imbaby
机构：
[1] EJUST, Elect & Commun Dept, Alexandria, Egypt
来源：
PROCEEDINGS OF THE 12TH INTERNATIONAL CONFERENCE ON TELECOMMUNICATIONS (CONTEL 2013) | 2013年
关键词：
ICI; FFR; FRF; SFR; and optimum inner radius;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Frequency reuse schemes are an interference management techniques well suited to OFDMA-based cellular networks. In this paper, analytical expressions are derived for the worst case Signal to Interference Ratio (SIR) ratio for both Fractional Frequency Reuse (FFR), and Soft Frequency Reuse (SFR). Also, analytical expressions are derived for the best inner radius using the worst SIR in both FFR, and SFR schemes. The analysis is performed in cellular network using exponent path loss model. The results showed that FFR with reuse four has the smallest interference hence better edge spectral effiency than SFR with different power ratios. For SFR it is better to use power ratios between 2, 4 as they achieve reasonable inner radii than other power ratios. The analysis showed that there is trade-off aspect between capacity and coverage related to SFR and FFR respectively.
引用
收藏
页码：185 / 190
页数：6
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