Wireless sensor networks are expected to be deployed in harsh environments characterized by extremely poor and fluctuating channel conditions. With the generally adopted single-s...
—The presence of heterogeneous nodes (i.e., nodes with an enhanced energy capacity or communication capability) in a sensor network is known to increase network reliability and l...
Mark D. Yarvis, Nandakishore Kushalnagar, Harkirat...
This paper presents an efficient technique for placement and routing of sensors/actuators and processing units in a grid network. Our system requires an extremely high level of ro...
Link-layer retransmission is a feature of IEEE 802.11 protocol that aims to increase the reliability of data communications. However, when successive retransmissions fail, retrans...
An Chan, Sung-Ju Lee, Xiaolin Cheng, Sujata Banerj...
We address the problem of secure and fault-tolerant communication in the presence of adversaries across a multihop wireless network with frequently changing topology. To effectivel...