By Topic

Information accuracy versus jointly sensing nodes in wireless sensor networks

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Kang Cai ; Sch. of Electron. & Inf. Eng., South China Univ. of Technol., Guangzhou ; Gang Wei ; Huifang Li

A key issue in wireless sensor networks (WSNs) is to achieve a required information accuracy under some physical resource constraints especially in terms of energy consumption. Intuitively, more accurate information can be achieved by using more jointly sensing nodes at the expense of more energy consumption. However, both our analytical and simulation results show that information accuracy may also decrease as the number of jointly sensing nodes increases in the presence of noise, and the increment of information accuracy reaches zero when this number approaches infinity. In this paper, we discusse a model for information accuracy and the number and position of jointly sensing nodes in WSNs based on a quantitative definition of information accuracy by exploiting the spacial correlation between sensed data. The analytical results are validated by simulation.

Published in:

Circuits and Systems, 2008. APCCAS 2008. IEEE Asia Pacific Conference on

Date of Conference:

Nov. 30 2008-Dec. 3 2008