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» Multimedia communication in wireless sensor networks
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COMCOM
2006
168views more  COMCOM 2006»
15 years 6 months ago
Relay node placement in large scale wireless sensor networks
Scalability and extended lifetime are two critical design goals of any large scale wireless sensor network. A two-tiered network model has been proposed recently for this purpose....
Jian Tang, Bin Hao, Arunabha Sen
ICC
2007
IEEE
125views Communications» more  ICC 2007»
16 years 20 days ago
Performance Evaluation of Wireless Sensor Networks Using Turbo Codes with Multi-Route Transmission
— Wireless sensor networks (WSNs) usually have a regular lattice structure and can be considered as multi-hop multi-route networks. In multi-route transmissions, even if the link...
Tadahiro Wada, Kouji Ohuchi, Abbas Jamalipour, Hir...
ICASSP
2009
IEEE
16 years 1 months ago
Adaptive distributed transforms for irregularly sampled Wireless Sensor Networks
We develop energy-efficient, adaptive distributed transforms for data gathering in wireless sensor networks. In particular, we consider a class of unidirectional transforms that ...
Godwin Shen, Sunil K. Narang, Antonio Ortega
RTCSA
2009
IEEE
16 years 1 months ago
PLL Based Time Synchronization in Wireless Sensor Networks
Abstract—Time synchronization is a key component in numerous wireless sensor network applications. Most of the current software based time synchronization approaches suffer from ...
Gang Zhou, Sachin Shetty, George Simms, Min Song
ICASSP
2009
IEEE
16 years 1 months ago
Energy-efficient graph-based wavelets for distributed coding in Wireless Sensor Networks
This work presents a class of unidirectional lifting-based wavelet transforms for an arbitrary communication graph in a wireless sensor network. These transforms are unidirectiona...
Godwin Shen, Sundeep Pattem, Antonio Ortega