NDLI: Topology Control for Delay Sensitive Applications in Wireless Sensor Networks

Content Provider	Springer Nature Link
Author	Ahdi, Farshad Srinivasan, Vikram Chua, Kee Chaing
Copyright Year	2008
Abstract	Wakeup scheduling in wireless sensor networks is known as the most effective way to conserve the limited amount of available energy for each sensor node. Such schedules are applicable to protocols of different network layers and often result in higher latency. Tolerance to latency varies greatly depending on the application so that it is low for a large class of delay sensitive applications. In this paper, we present a unified approach in the design of wakeup schedules in different network layers. A new distributed wakeup schedule is introduced in the context of topology control which aims to conserve more energy while not compromising on the delay performance of the system. The proposed protocol addresses the problem of increasing the network longevity for a given upper bound on the average end-to-end delay. In this scheme neither localization nor synchronization is required and only local information about the network topology is used. In addition to its simplicity of implementation, its energy overhead is negligible and it implicitly determines the routing paths. Our simulation results show that the performance of this protocol is close to the optimal schedule and significantly higher than SPAN, an existing topology control mechanism.
Starting Page	406
Ending Page	421
Page Count	16
File Format	PDF
ISSN	1383469X
Journal	Mobile Networks and Applications
Volume Number	12
Issue Number	5-6
e-ISSN	15728153
Language	English
Publisher	Springer US
Publisher Date	2008-06-03
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	topology control delay sensitive applications wireless sensor networks Business Information Systems Electronic and Computer Engineering Computer Communication Networks Communications Engineering, Networks
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Information Systems Hardware and Architecture Software

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