Sciweavers

40 search results - page 7 / 8
» Lifetime Improvement of Wireless Sensor Networks by Collabor...
Sort
View
ICC
2009
IEEE
111views Communications» more  ICC 2009»
14 years 3 days ago
A Study of the Percolation Threshold for k-Collaborative Wireless Networks
—How to efficiently use the air interface is a crucial issue in wireless networks. In order to improve the performance, mechanisms have been proposed to improve the reach and th...
Cédric Westphal
GLOBECOM
2008
IEEE
13 years 12 months ago
Link Rate Allocation under Bandwidth and Energy Constraints in Sensor Networks
—In sensor networks, both energy and bandwidth are scarce resources. In the past, many energy efficient routing algorithms have been devised in order to maximize network lifetim...
Maggie X. Cheng, Xuan Gong, Lin Cai
WCNC
2010
IEEE
13 years 9 months ago
Joint Optimization of Power Allocation and Relay Deployment in Wireless Sensor Networks
—We study the problem of optimizing the symbol error probability (SEP) performance of cluster-based cooperative wireless sensor networks (WSNs). It is shown in the literature tha...
Mohammad Abdizadeh, Hadi Jamali Rad, Bahman Abolha...
WCNC
2008
IEEE
13 years 11 months ago
On Energy-Efficient and Low-Latency Medium Access Control in Wireless Sensor Networks
Abstract— In wireless sensor networks, one of the big challenges is to achieve a satisfactory network lifetime while meeting quality of service (QoS) requirements. In this paper,...
Zhiwen Wan, Jinsong Zhang, Hao Zhu, Kia Makki, Nik...
INFOCOM
2007
IEEE
13 years 11 months ago
Low-Power Distributed Event Detection in Wireless Sensor Networks
Abstract—In this paper we address the problem of energyefficient event detection in wireless sensor networks (WSNs). Duty cycling is a fundamental approach to conserving energy i...
Yanmin Zhu, Yunhao Liu, Lionel M. Ni, Z. Zhang