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INFOCOM
2008
IEEE
14 years 2 months ago
On the Construction of a Maximum-Lifetime Data Gathering Tree in Sensor Networks: NP-Completeness and Approximation Algorithm
Abstract—Energy efficiency is critical for wireless sensor networks. The data gathering process must be carefully designed to conserve energy and extend the network lifetime. Fo...
Yan Wu, Sonia Fahmy, Ness B. Shroff
CN
2006
145views more  CN 2006»
13 years 7 months ago
Understanding optimal data gathering in the energy and latency domains of a wireless sensor network
The problem of optimal data gathering in wireless sensor networks (WSNs) is addressed by means of optimization techniques. The goal of this work is to lay the foundations to devel...
Ugo Monaco, Francesca Cuomo, Tommaso Melodia, Fabi...
ICC
2008
IEEE
135views Communications» more  ICC 2008»
14 years 2 months ago
Using Soft-Line Recursive Response to Improve Query Aggregation in Wireless Sensor Networks
— In large Wireless Sensor Networks (WSNs), each hop might incur varying delays due to medium access contention, transmission and computation delays. Fast and efficient query re...
Xiaoming Lu, Matt Spear, Karl N. Levitt, Norman S....
DCOSS
2009
Springer
14 years 2 months ago
Optimal Allocation of Time-Resources for Multihypothesis Activity-Level Detection
Abstract. The optimal allocation of samples for activity-level detection in a wireless body area network for health-monitoring applications is considered. A wireless body area netw...
Gautam Thatte, Viktor Rozgic, Ming Li, Sabyasachi ...
DSN
2004
IEEE
13 years 11 months ago
Fault Tolerant Energy Aware Data Dissemination Protocol in Sensor Networks
In this paper we present a data dissemination protocol for efficiently distributing data through a sensor network in the face of node and link failures. Our work is motivated by t...
Gunjan Khanna, Saurabh Bagchi, Yu-Sung Wu