Network congestion occurs when offered traffic load exceeds available capacity at any point in a network. In wireless sensor networks, congestion causes overall channel quality t...
Abstract—Wireless sensor networks (WSNs) are usually missioned to gather critical information in hostile and adversarial environments, which make them susceptible to compromise a...
Hosein Shafiei, Ahmad Khonsari, Mohammad Sadegh Ta...
Recent work demonstrates that directional antennas have significant potential to improve wireless network capacity in indoor environments. This paper provides a broader exploratio...
Xi Liu, Anmol Sheth, Michael Kaminsky, Konstantina...
—Positioning is a crucial task in pervasive computing, aimed at estimating the user’s positions to provide location-based services. In this paper, we study an interesting probl...
Vincent Wenchen Zheng, Junhui Zhao, Yongcai Wang, ...
We focus on data gathering problems in energy-constrained wireless sensor networks. We study store-and-gather problems where data are locally stored on the sensors before the data ...