Low-energy wireless communication network design

计算机科学 无线网络 无线 能源消耗 网络规划与设计 计算机网络 电信 电气工程 工程类
作者
W.E. Stark,Hua Wang,Andrew P. Worthen,Stéphane Lafortune,Demosthenis Teneketzis
出处
期刊:IEEE Wireless Communications [Institute of Electrical and Electronics Engineers]
卷期号:9 (4): 60-72 被引量:73
标识
DOI:10.1109/mwc.2002.1028878
摘要

Energy-efficient wireless communication network design is an important and challenging problem. Its difficulty lies in the fact that the overall performance depends, in a coupled way, on the following subsystems: antenna, power amplifier, modulation, error control coding, and network protocols. In addition, given an energy constraint, improved operation of one of the aforementioned subsystems may not yield better overall performance. Thus, to optimize performance one must account for the coupling among the above subsystems and simultaneously optimize their operation under an energy constraint. In this article we present a generic integrated design methodology that is suitable for many kinds of mobile systems and achieves global optimization under an energy constraint. By pointing out some important connections among different layers in the design procedure, we explain why our integrated design methodology is better than traditional design methodologies. We present numerical results of the application of our design methodology to a situational awareness scenario in a mobile wireless network with different mobility models. These results illustrate the improvement in performance that our integrated design methodology achieves over traditional design methodologies, and the tradeoff between energy consumption and performance.
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