Power-saving scheme for mobile Ad hoc networks based on pre-estimation of average noise power

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (4): 7-10.

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Power-saving scheme for mobile Ad hoc networks based on pre-estimation of average noise power

MA Zeng-dong,GU Xue-mai,ZHANG Wen-bin,SHA Xue-jun

Communication Research Center，Harbin Institute of Technology，Harbin 150001，China

Received:2007-09-18 Revised:2007-11-05 Online:2008-02-01 Published:2008-02-01
Contact: MA Zeng-dong

一种平均噪声功率预估计的自组网节能机制

马曾栋,顾学迈,张文彬,沙学军

哈尔滨工业大学通信技术研究所，哈尔滨 150001

通讯作者: 马曾栋

Abstract

Abstract: In this paper a power-saving scheme for mobile Ad hoc networks based on IEEE 802.11 DCF is proposed.Under the proposed scheme，the source node will regulate the transmit power of the data packets dynamically by the use of a method of pre-estimation of average noise power and the feedback of RTS/CTS handoffs during the reception.The protocol analysis and the simulation of NS2 show that the power-saving scheme is efficient to decrease the average transmit power of packets without reducing the networks throughput badly.

Key words: mobile Ad hoc networks, synchronization, pre-estimation of average noise power, power-saving

摘要： 基于IEEE 802.11 DCF MAC协议提出了一种适用于移动无线自组网的功率控制节能方案，在该方案中节点通过一种接收过程中的噪声功率预估计方法和RTS/CTS握手机制的反馈，动态调节待发送数据分组的发射功率。协议分析和NS2仿真表明，该方案在不明显降低网络吞吐量的同时，可以有效降低分组发射的平均功耗，从而达到节能的目的。

关键词: 移动无线自组网, 同步, 噪声功率预估计, 节能

MA Zeng-dong,GU Xue-mai,ZHANG Wen-bin,SHA Xue-jun. Power-saving scheme for mobile Ad hoc networks based on pre-estimation of average noise power[J]. Computer Engineering and Applications, 2008, 44(4): 7-10.

马曾栋,顾学迈,张文彬,沙学军. 一种平均噪声功率预估计的自组网节能机制[J]. 计算机工程与应用, 2008, 44(4): 7-10.

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Power-saving scheme for mobile Ad hoc networks based on pre-estimation of average noise power

一种平均噪声功率预估计的自组网节能机制

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