Distributed topology management for wireless multimedia sensor networks: exploiting connectivity and cooperation. (17th March 2014)

• Record Type: Journal Article
• Authors: Misra, Sudip; Mali, Goutam; Mondal, Ayan
• Is Part Of: International journal of communication systems. Volume 28:Number 7(2015)
• Page Start: 1367
• Page End: 1386
• Publication Date: 2014-03-17
• Subjects: Telecommunication systems -- Periodicals; 621.382
• DOI: 10.1002/dac.2770
• Languages: English
• ISSNs: 1074-5351

Abstract

<abstract abstract-type="main" id="dac2770-abs-0001"> <title>Summary</title> <p id="dac2770-para-0001">In this paper, we propose a distributed topology management algorithm, named <italic>T‐Must</italic>, which orchestrates coalition formation game between camera and scalar sensor (SS) nodes, for use in wireless multimedia sensor networks. In the proposed solution, connectivity among the peer camera sensor (CS) nodes is maintained, and coverage is ensured between them. Only the scalar data are not sufficient to describe an event in a particular monitored area. In many cases, multimedia data (specifically, video data) are required to provide more precise information about the event. As the CS nodes, which sense and transmit multimedia data, are costlier than the SS nodes, the former are deployed in the monitored area in lesser numbers compared to the latter ones. In case of CS nodes, power consumption due to sensing is also significant, similar to power consumption for the transmission and reception of packets. Therefore, in this work, in order to increase the network lifetime, topology is controlled by forming coalition between the CS and SS nodes. Upon occurrence of an event, the SS nodes send scalar data to their associated CS nodes. If the scalar data received from SS nodes cross a preconfigured threshold, the associated CS node in the coalition starts sensing the event, captures the video data, and forwards the video data toward other coalitions or sink. Copyright © 2014 John Wiley & Sons, Ltd.</p> </abstract>