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IS
2011
13 years 2 months ago
Optimized query routing trees for wireless sensor networks
In order to process continuous queries over Wireless Sensor Networks (WSNs), sensors are typically organized in a Query Routing Tree (denoted as T) that provides each sensor with ...
Panayiotis Andreou, Demetrios Zeinalipour-Yazti, A...
ICASSP
2010
IEEE
13 years 6 months ago
Unidirectional graph-based wavelet transforms for efficient data gathering in sensor networks
We design lifting-based wavelet transforms for any arbitrary communication graph in a wireless sensor network (WSN). Since transmitting raw data bits along the routing trees in WS...
Sunil K. Narang, Godwin Shen, Antonio Ortega
SIPS
2006
IEEE
14 years 1 months ago
Low Power Trellis Decoder with Overscaled Supply Voltage
Abstract— This paper is interested in applying voltage overscaling (VOS) to reduce trellis decoder energy consumption, where the key issue is how to minimize the decoding perform...
Yang Liu, Tong Zhang, Jiang Hu
IS
2011
12 years 11 months ago
Collection trees for event-monitoring queries
In this paper we present algorithms for building and maintaining efficient collection trees that provide the conduit to disseminate data required for processing monitoring queries...
Antonios Deligiannakis, Yannis Kotidis, Vassilis S...
WINET
2002
124views more  WINET 2002»
13 years 7 months ago
Improving Energy Efficiency of Centrally Controlled Wireless Data Networks
Wireless network access protocols can assist nodes to conserve energy by identifying when they can enter low energy states. The goal is to put all nodes not involved in a transmiss...
John A. Stine, Gustavo de Veciana