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ACM Transactions on Sensor Networks (TOSN), Volume 6 Issue 1, December 2009

Catching elephants with mice: Sparse sampling for monitoring sensor networks
Sorabh Gandhi, Subhash Suri, Emo Welzl
Article No.: 1
DOI: 10.1145/1653760.1653761

We propose a scalably efficient scheme for detecting large-scale physically correlated events in sensor networks. Specifically, we show that in a network of n sensors arbitrarily distributed in the plane, a sample of O(1/&epsis; log...

Measuring and guaranteeing quality of barrier coverage for general belts with wireless sensors
Ai Chen, Ten H. Lai, Dong Xuan
Article No.: 2
DOI: 10.1145/1653760.1653762

Sensors may fail due to various reasons such as heat, malicious activity, environmental hazards, extended use, and lack of power. As more and more sensors fail, certain desired properties such as barrier coverage will diminish and eventually fall...

Directed broadcast with overhearing for sensor networks
Raja Jurdak, Antonio G. Ruzzelli, Gregory M. P. O'hare, Russell Higgs
Article No.: 3
DOI: 10.1145/1653760.1653763

The efficient management of scarce network resources, including energy and bandwidth, represents a central challenge for wireless sensor networks. The current trend in resource management relies on the introduction of control mechanisms, such as...

Key predistribution using combinatorial designs for grid-group deployment scheme in wireless sensor networks
Sushmita Ruj, Bimal Roy
Article No.: 4
DOI: 10.1145/1653760.1653764

We propose a new grid-group deployment scheme in wireless sensor networks. We use combinatorial designs for key predistribution in sensor nodes. The deployment region is divided into square regions. The predistribution scheme has the advantage...

On the energy efficiency of cooperative communications in wireless sensor networks
Ahmed K. Sadek, Wei Yu, K. J. Ray Liu
Article No.: 5
DOI: 10.1145/1653760.1653765

Cooperative communications represent a potential candidate to combat the effects of channel fading and to increase the transmit energy efficiency in wireless sensor networks with the downside being the increased complexity. In sensor networks the...

BikeNet: A mobile sensing system for cyclist experience mapping
Shane B. Eisenman, Emiliano Miluzzo, Nicholas D. Lane, Ronald A. Peterson, Gahng-Seop Ahn, Andrew T. Campbell
Article No.: 6
DOI: 10.1145/1653760.1653766

We present BikeNet, a mobile sensing system for mapping the cyclist experience. Built leveraging the MetroSense architecture to provide insight into the real-world challenges of people-centric sensing, BikeNet uses a number of sensors embedded...

Elliptical anomalies in wireless sensor networks
Sutharshan Rajasegarar, James C. Bezdek, Christopher Leckie, Marimuthu Palaniswami
Article No.: 7
DOI: 10.1145/1653760.1653767

Anomalies in wireless sensor networks can occur due to malicious attacks, faulty sensors, changes in the observed external phenomena, or errors in communication. Defining and detecting these interesting events in energy-constrained situations is...

Distributed algorithm for node localization in wireless ad-hoc networks
Bing Hwa Cheng, Lieven Vandenberghe, Kung Yao
Article No.: 8
DOI: 10.1145/1653760.1653768

We present a distributed algorithm for node localization based on the Gauss-Newton method. In this algorithm, each node updates its own location estimate using the pairwise distance measurements and the local information it receives from the...

ShortPK: A short-term public key scheme for broadcast authentication in sensor networks
Ronghua Wang, Wenliang Du, Xiaogang Liu, Peng Ning
Article No.: 9
DOI: 10.1145/1653760.1653769

Broadcast authentication is an important functionality in sensor networks. Energy constraints on sensor nodes and the real-time nature of the broadcasts render many of the existing solutions impractical: previous works focusing primarily on...