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Sensors 2012, 12(1), 650-685; doi:10.3390/s120100650
Review

Multipath Routing in Wireless Sensor Networks: Survey and Research Challenges

1
, 1
, 1
 and 2,*
Received: 8 November 2011; in revised form: 3 January 2012 / Accepted: 4 January 2012 / Published: 9 January 2012
(This article belongs to the Section Physical Sensors)
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Abstract: A wireless sensor network is a large collection of sensor nodes with limited power supply and constrained computational capability. Due to the restricted communication range and high density of sensor nodes, packet forwarding in sensor networks is usually performed through multi-hop data transmission. Therefore, routing in wireless sensor networks has been considered an important field of research over the past decade. Nowadays, multipath routing approach is widely used in wireless sensor networks to improve network performance through efficient utilization of available network resources. Accordingly, the main aim of this survey is to present the concept of the multipath routing approach and its fundamental challenges, as well as the basic motivations for utilizing this technique in wireless sensor networks. In addition, we present a comprehensive taxonomy on the existing multipath routing protocols, which are especially designed for wireless sensor networks. We highlight the primary motivation behind the development of each protocol category and explain the operation of different protocols in detail, with emphasis on their advantages and disadvantages. Furthermore, this paper compares and summarizes the state-of-the-art multipath routing techniques from the network application point of view. Finally, we identify open issues for further research in the development of multipath routing protocols for wireless sensor networks.
Keywords: wireless sensor networks; multipath routing; concurrent multipath routing; alternative path routing; load distribution; energy efficiency; reliability; QoS wireless sensor networks; multipath routing; concurrent multipath routing; alternative path routing; load distribution; energy efficiency; reliability; QoS
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Radi, M.; Dezfouli, B.; Bakar, K.A.; Lee, M. Multipath Routing in Wireless Sensor Networks: Survey and Research Challenges. Sensors 2012, 12, 650-685.

AMA Style

Radi M, Dezfouli B, Bakar KA, Lee M. Multipath Routing in Wireless Sensor Networks: Survey and Research Challenges. Sensors. 2012; 12(1):650-685.

Chicago/Turabian Style

Radi, Marjan; Dezfouli, Behnam; Bakar, Kamalrulnizam Abu; Lee, Malrey. 2012. "Multipath Routing in Wireless Sensor Networks: Survey and Research Challenges." Sensors 12, no. 1: 650-685.



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