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TWC
2008
155views more  TWC 2008»
8 years 10 months ago
Distributed sensor network localization using SOCP relaxation
The goal of the sensor network localization problem is to determine positions of all sensor nodes in a network given certain pairwise noisy distance measurements and some anchor no...
Seshan Srirangarajan, Ahmed H. Tewfik, Zhi-Quan Lu...
TWC
2008
172views more  TWC 2008»
8 years 10 months ago
A Software-Defined Radio System for Backscatter Sensor Networks
Backscatter radio is proposed for sensor networks. In that way, the transmitter for each sensor is simplified to a transistor connected to an antenna and therefore, the cost for ea...
Giovanni Vannucci, Aggelos Bletsas, Darren Leigh
TSP
2008
90views more  TSP 2008»
8 years 10 months ago
Minimizing Transmit Power for Coherent Communications in Wireless Sensor Networks With Finite-Rate Feedback
We minimize average transmit power with finite-rate feedback for coherent communications in a wireless sensor network (WSN), where sensors communicate with a fusion center using ad...
Antonio G. Marqués, Xin Wang, Georgios B. G...
TSP
2008
118views more  TSP 2008»
8 years 10 months ago
Channel-Aware Random Access Control for Distributed Estimation in Sensor Networks
A cross-layered slotted ALOHA protocol is proposed and analyzed for distributed estimation in sensor networks. Suppose that the sensors in the network record local measurements of ...
Y.-W. P. Hong, Keng-U Lei, Chong-Yung Chi
JPDC
2007
209views more  JPDC 2007»
8 years 10 months ago
Application-aware integration of data collection and power management in wireless sensor networks
Sensors are typically deployed to gather data about the physical world and its artifacts for a variety of purposes that range from environment monitoring, control, to data analysi...
Qi Han, Sharad Mehrotra, Nalini Venkatasubramanian
TSP
2008
131views more  TSP 2008»
8 years 10 months ago
Smart Sleeping Policies for Energy Efficient Tracking in Sensor Networks
We study the problem of tracking an object that is moving randomly through a dense network of wireless sensors. We assume that each sensor has a limited range for detecting the pr...
Jason A. Fuemmeler, Venugopal V. Veeravalli
JOIN
2007
133views more  JOIN 2007»
8 years 10 months ago
The Coverage Problem in Three-Dimensional Wireless Sensor Networks
— One of the fundamental issues in sensor networks is the coverage problem, which reflects how well a sensor network is monitored or tracked by sensors. In this paper, we formul...
Chi-Fu Huang, Yu-Chee Tseng, Li-Chu Lo
TROB
2008
95views more  TROB 2008»
8 years 10 months ago
Multisensor Input for CPG-Based Sensory---Motor Coordination
This paper describes a method for providing in real time a reliable synchronization signal for cyclical motions such as steady-state walking. The approach consists in estimating on...
Rodolphe Héliot, Bernard Espiau
TROB
2008
105views more  TROB 2008»
8 years 10 months ago
Optimal Motion Strategies for Range-Only Constrained Multisensor Target Tracking
Abstract--In this paper, we study the problem of optimal trajectory generation for a team of mobile sensors tracking a moving target using distance-only measurements. This problem ...
Ke X. Zhou, Stergios I. Roumeliotis
TPDS
2008
161views more  TPDS 2008»
8 years 10 months ago
Distributed Deployment Schemes for Mobile Wireless Sensor Networks to Ensure Multilevel Coverage
One of the key research issues in wireless sensor networks (WSNs) is how to efficiently deploy sensors to cover an area. In this paper, we solve the k-coverage sensor deployment pr...
You-Chiun Wang, Yu-Chee Tseng
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