Reliable, Real-Time Routing in Wireless Sensor and Actuator Networks | Zendy

Martin Krogmann | Zendy; Mike Heidrich | Zendy; Daniel Bichler | Zendy; Daniel Barisic | Zendy; Guido Stromberg | Zendy

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Reliable, Real-Time Routing in Wireless Sensor and Actuator Networks

Author(s) -

Martin Krogmann,

Mike Heidrich,

Daniel Bichler,

Daniel Barisic,

Guido Stromberg

Publication year - 2011

Publication title -

isrn communications and networking

Language(s) - English

Resource type - Journals

eISSN - 2090-4363

pISSN - 2090-4355

DOI - 10.5402/2011/943504

Subject(s) - computer science , dynamic source routing , computer network , zone routing protocol , link state routing protocol , wireless routing protocol , multipath routing , static routing , distributed computing , metrics , equal cost multi path routing , routing information protocol , destination sequenced distance vector routing , routing protocol , enhanced interior gateway routing protocol , routing (electronic design automation)

We present a novel Reliable, Real-time Routing protocol (3R) based on multipath routing for highly time-constrained Wireless Sensor and Actuator Networks (WSANs). The protocol consists of a newly designed routing metric and a routing algorithm utilizing this metric. Our routing metric enables strong Quality-of-Service (QoS) support based on parallel transmissions which significantly reduces transmission delays in WSANs. A routing algorithm utilizing this metric is presented based on Dijkstra's shortest path. A novel Medium Access Control (MAC) layer that supports dynamical adjustments of retransmission limits, reduces traffic overhead in multipath routing protocols. Thorough simulations have been performed to evaluate the routing protocol, and the results show that real-time performance of WSANs can be vastly improved.

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