Geographic channel assignment framework for broadband wireless access networks

被引:1
|
作者
Chen, Jenhui [1 ]
Wang, Chih-Chieh
Lee, Jiann-Der
机构
[1] Chang Gung Univ, Dept Comp Sci & Informat Engn, Tao Yuan, Taiwan
[2] Chang Gung Univ, Dept Elect Engn, Tao Yuan, Taiwan
关键词
broadband; DCA; MAC; spectrum; wireless; MODEL;
D O I
10.1093/ietcom/e89-b.11.3160
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
This letter proposes a novel geographic channel assignment (GCA) framework for dynamic channel allocation (DCA) in broadband wireless access networks (BWANs). The proposed GCA scheme is based on the characteristics of radio propagation, which focuses on the relationship between transmission distances and communication parameters, e.g., signal-to-noise ratio (SNR) etc., and uses a signal-aware distance estimation scheme to determinate an appropriate channel for communication. This method significantly increases the capacity of the BWA system. Simulation results show that the GCA framework can yield approximate two times throughput of the IEEE 802.16 standard specifications as well as obtain significantly lower call blocking probability compared with classical channel assignment methods.
引用
收藏
页码:3160 / 3163
页数:4
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