Document Type

Working Paper

Date

2006

Keywords

data aggregation, sensor networks, energy constrained sensor networks, enhanced network lifetime

Language

English

Disciplines

Computer Sciences

Description/Abstract

Wireless sensor networks consist of sensor nodes with sensing and communication capabilities. We focus on data aggregation problems in energy constrained sensor networks. The main goal of data aggregation algorithms is to gather and aggregate data in an energy efficient manner so that network lifetime is enhanced. In this paper, we present a survey of data aggregation algorithms in wireless sensor networks. We compare and contrast different algorithms on the basis of performance measures such as lifetime, latency and data accuracy. We conclude with possible future research directions.

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