Sciweavers

507 search results - page 26 / 102
» Signal processing challenges for future wireless communicati...
Sort
View
ICASSP
2009
IEEE
14 years 3 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
ICASSP
2009
IEEE
14 years 3 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
COMSUR
2011
264views Hardware» more  COMSUR 2011»
12 years 8 months ago
Low-Memory Wavelet Transforms for Wireless Sensor Networks: A Tutorial
Abstract—The computational and memory resources of wireless sensor nodes are typically very limited, as the employed low-energy microcontrollers provide only hardware support for...
Stephan Rein, Martin Reisslein
PADS
2004
ACM
14 years 1 months ago
Optimizing Parallel Execution of Detailed Wireless Network Simulation
With Parallel and Discrete Event Simulation (PDES) techniques, the runtime performance of detailed wireless network simulation can be improved significantly without compromising ...
Zhengrong Ji, Junlan Zhou, Mineo Takai, Jay Martin...
ICC
2007
IEEE
288views Communications» more  ICC 2007»
14 years 2 months ago
Joint Channel State Based Random Access and Adaptive Modulation in Wireless LAN with Multi-Packet Reception
—Conventional 802.11 medium access control (MAC) characteristics. In particular, all of these designs adopted a protocols have been designed separately from the characteristics s...
Wei Lan Huang, Khaled Ben Letaief, Ying Jun Zhang