Energy threshold adaptation algorithms on image compression to prolong WSN lifetime

Phat Nguyen Huu, Vinh Tran-Quang, Takumi Miyoshi

研究成果: Conference contribution

4 被引用数 (Scopus)

抄録

This paper proposes two algorithms to balance energy consumption among sensor nodes by distributing image compression workload across a cluster in a wireless sensor network. The main objective of the proposed algorithms is to adopt an energy threshold that is used to implement exchange and/or assignment tasks among sensor nodes. The threshold can be adapted according to the residual energy of sensor nodes, input images, compressed output, and network parameters. We apply the lapped transform technique, which is an extended version of the discrete cosine transform, to the proposed algorithms. We conduct extensive computational experiments to verify our methods and find that the proposed algorithms not only balance total energy consumption among sensor nodes and thus increase the lifetime of the overall network but also reduce block noise in image compression.

本文言語English
ホスト出版物のタイトルProceedings of the 2010 7th International Symposium on Wireless Communication Systems, ISWCS'10
ページ834-838
ページ数5
DOI
出版ステータスPublished - 2010 12 20
イベント2010 7th International Symposium on Wireless Communication Systems, ISWCS'10 - York, United Kingdom
継続期間: 2010 9 192010 9 22

出版物シリーズ

名前Proceedings of the 2010 7th International Symposium on Wireless Communication Systems, ISWCS'10

Conference

Conference2010 7th International Symposium on Wireless Communication Systems, ISWCS'10
CountryUnited Kingdom
CityYork
Period10/9/1910/9/22

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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