Performance of multihop wireless networks: shortest path is not enough
ACM SIGCOMM Computer Communication Review
When Does Opportunistic Routing Make Sense?
PERCOMW '05 Proceedings of the Third IEEE International Conference on Pervasive Computing and Communications Workshops
Modeling and Analysis of Opportunistic Routing in Low Traffic Scenarios
WIOPT '05 Proceedings of the Third International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks
ExOR: opportunistic multi-hop routing for wireless networks
Proceedings of the 2005 conference on Applications, technologies, architectures, and protocols for computer communications
IEEE Transactions on Mobile Computing
An Adaptive Real-Time Routing Scheme for Wireless Sensor Networks
AINAW '07 Proceedings of the 21st International Conference on Advanced Information Networking and Applications Workshops - Volume 02
On throughput efficiency of geographic opportunistic routing in multihop wireless networks
Mobile Networks and Applications
Routing techniques in wireless sensor networks: a survey
IEEE Wireless Communications
QMOR: QoS-Aware Multi-sink Opportunistic Routing for Wireless Multimedia Sensor Networks
Wireless Personal Communications: An International Journal
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Wireless sensor networks (WSNs) are subject to significant resource constraints. Particularly, routing protocols for low-rate WSNs suffer from maintaining routing metrics and stable links of paths. Even though opportunistic routing protocols are well-suited to WSNs, they have some weaknesses for supporting real-time data and low power consumption. This paper proposes a new routing protocol called opportunistic real time routing (or ORTR) that guarantees delivery of data under time constraints with efficient power consumption. In order to satisfy time requirements, an area where real-time data must be delivered is defined with effective transmission power and a relay node within the area is selected for the purpose of balancing overall energy levels. We compare existing routing protocols against ORTR through a set of simulation experiments. Our simulation results illustrate that ORTR provides guaranteed real-time service with optimal transmission power without degrading the energy balance.