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Network Layer Approaches for (m,k)-Firm Stream in Wireless Sensor Networks

Ki-Il KIM, Tae-Eung SUNG

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Summary :

In this letter, we propose a revised geographic routing protocol and a scheduling algorithm to support real-time applications, which are often observed in wireless sensor networks. In order to meet real-time requirement, a specific application is modeled as an (m,k)-firm stream that has a property of weakly hard real-time system. In addition, both a priority-based scheduling and a geographic forwarding scheme based on delay, distance, and remaining slack time are newly proposed. Simulations and their analysis are followed to validate the suitability of reduced dynamic failure probability and extended network lifetime.

Publication
IEICE TRANSACTIONS on Communications Vol.E93-B No.11 pp.3165-3168
Publication Date
2010/11/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E93.B.3165
Type of Manuscript
LETTER
Category
Network

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