An analysis of energy consumption for TCP data transfer with burst transmission over a wireless LAN

Masafumi Hashimoto, Go Hasegawa, Masayuki Murata

研究成果: Article査読

9 被引用数 (Scopus)

抄録

A common strategy for energy saving in wireless network devices is to remain in sleep mode for as long as possible. The timing of packet transmission and reception depends on the behavior of the transport-layer protocols used by upper-layer applications. Therefore, understanding the relation between the behavior of the transport-layer protocols and energy efficiency using sleep mode is important for effective energy saving, especially when a wireless network interface (WNI) is activated in sleep mode at packet interarrivals. In this paper, we analyze the energy consumption of a client's WNI in Transmission Control Protocol (TCP) data transfer over a wireless LAN by focusing on the detailed behavior of TCP congestion control mechanisms. This model considers three situations: the WNI is activated in continuously active mode, in sleep mode, and in sleep mode with burst transmission. The latter is proposed as an effective method to improve energy efficiency, which lengthens sleep periods by transmitting and receiving multiple packets in a bursty fashion. Through numerical examples, we show that sleeping without modification of transmission timing reduces energy consumption in TCP data transfer by only around 10%, and that the burst transmission can contribute further 50% energy reduction.

本文言語English
ページ(範囲)1965-1986
ページ数22
ジャーナルInternational Journal of Communication Systems
28
14
DOI
出版ステータスPublished - 2015 9月 25
外部発表はい

ASJC Scopus subject areas

  • コンピュータ ネットワークおよび通信
  • 電子工学および電気工学

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