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  • 标题:Energy Efficient Approaches: Altruist Energy Efficient Approach is the Best
  • 本地全文:下载
  • 作者:B. Sunil Kumar ; P. SivaChandrika ; A. Shiva Kumar
  • 期刊名称:International Journal of Computer Trends and Technology
  • 电子版ISSN:2231-2803
  • 出版年度:2013
  • 卷号:4
  • 期号:4-1
  • 出版社:Seventh Sense Research Group
  • 摘要:This paper presents the energy efficient approaches and the importance of Altruistic approach in the absence of nearest neighboring nodes to the receiver. Two energyefficient approaches have been proposed one is insitu energy efficient approach, and the other is altruistic energy efficient approach. In the first approach existing nodes in network are only used and in second approach additional nodes called altruists are used. Generally comparison is done with five protocols with respect to these approaches and identifies altruistic DISH to be the right choice since it conserves 4080 percent of energy, maintains the throughput advantage, and the cost efficiency compared to protocols without this approach is two times more. Our study also shows that an insitu energy efficient approach is suitable only in certain confined scenarios. When transmitreceive pair wishes to initiate communication, neighboring nodes share their knowledge of channel usage. This helps to considerably reduce collisions and increases throughput significantly. However, it comes at the cost of increased energy consumption since idle nodes have to stay awake to overhear and acquire channel usage information. In fact this can be as high as 264% of a powersaving protocol without cooperation. The core idea is to introduce specialized nodes called altruists in the network whose only role is to acquire and share channel usage information. All other nodes, termed peers, go in to the sleep mode when idle due to this power consumption will be less. This altruistic approach seems to be complicated because it needs additional nodes to be deployed.
  • 关键词:in-situ energy conscious DISH; wireless ad hoc networks Design; Performance
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