Journal
JOURNAL OF SYSTEMS ARCHITECTURE
Volume 59, Issue 4-5, Pages 260-270Publisher
ELSEVIER
DOI: 10.1016/j.sysarc.2012.12.003
Keywords
Fault tolerance; WSN; Routing algorithm; Energy saving; Robustness
Funding
- NSF [CNS-1249223, GD:10351806001000000, CNS-0969013, CNS-0917021, CNS-1018108]
- NSFC [61071061, 61170077]
- Univ. of Kentucky Start Up Fund
- SZ-HK Innovation Circle project [ZYB200907060012A]
- S & T project of SZ [JC200903120046A]
- S & T project of GD [2012B091100198]
- National High-Tech. R & D Program of China (863 Program) [2009AA012201]
- Shanghai International S & T Collaboration Program [09540701900]
- Direct For Computer & Info Scie & Enginr
- Division Of Computer and Network Systems [0917021] Funding Source: National Science Foundation
Ask authors/readers for more resources
Sensors in a wireless sensor network (WSN) are prone to failure, due to the energy depletion, hardware failures, etc. Fault tolerance is one of the critical issues in WSNs. The existing fault tolerance mechanisms either consume significant extra energy to detect and recover from the failures or need to use additional hardware and software resource. In this paper, we propose a novel energy-aware fault tolerance mechanism for WSN, called Informer Homed Routing (IHR). In our IHR, non cluster head (NCH) nodes select a limited number of targets in the data transmission. Therefore it consumes less energy. Our experimental results show that our proposed protocol can significantly reduce energy consumption, compared to two existing protocols: Low-Energy Adaptive Clustering Hierarchy (LEACH) and Dual Homed Routing (DHR). (c) 2013 Elsevier B.V. All rights reserved.
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