Sciweavers

384 search results - page 42 / 77
» Cooperative contention-based forwarding for wireless sensor ...
Sort
View
WCNC
2008
IEEE
14 years 3 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...
ICC
2007
IEEE
124views Communications» more  ICC 2007»
14 years 3 months ago
On Achieving Maximum Network Lifetime Through Optimal Placement of Cluster-heads in Wireless Sensor Networks
—In a wireless sensor network, the network lifetime is an important issue when the size of the network is large. In order to make the network scalable, it is divided into a numbe...
Marudachalam Dhanaraj, C. Siva Ram Murthy
IFIP
2007
Springer
14 years 2 months ago
Detecting Wormhole Attacks in Wireless Sensor Networks
Wormhole attacks can destabilize or disable wireless sensor networks. In a typical wormhole attack, the attacker receives packets at one point in the network, forwards them through...
Yurong Xu, Guanling Chen, James Ford, Fillia Maked...
VTC
2008
IEEE
224views Communications» more  VTC 2008»
14 years 3 months ago
Dynamic Spectrum Allocation in Wireless Cognitive Sensor Networks: Improving Fairness and Energy Efficiency
Abstract- This paper considers the centralized spectrum allocations in resource-constrained wireless sensor networks with the following goals: (1) allocate spectrum as fairly as po...
Sang-Seon Byun, Ilangko Balasingham, Xuedong Liang
INFOCOM
2008
IEEE
14 years 3 months ago
Spatial Signatures for Lightweight Security in Wireless Sensor Networks
Abstract— This paper experimentally investigates the feasibility of crypto-free communications in resource-constrained wireless sensor networks. We exploit the spatial signature ...
Lifeng Sang, Anish Arora