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» Differentiated surveillance for sensor networks
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MOBIHOC
2005
ACM
15 years 9 months ago
Reliable bursty convergecast in wireless sensor networks
We address the challenges of bursty convergecast in multi-hop wireless sensor networks, where a large burst of packets from different locations needs to be transported reliably an...
Hongwei Zhang, Anish Arora, Young-ri Choi, Mohamed...
ICC
2007
IEEE
145views Communications» more  ICC 2007»
15 years 4 months ago
Distributed Optimization for Utility-Energy Tradeoff in Wireless Sensor Networks
Abstract— Wireless sensor networks (WSNs) are energyconstrained in nature, in this paper, we formulate the problem of data transport in sensor networks as a network utility maxim...
Shengbin Liao, Wenqing Cheng, Wei Liu, Zongkai Yan...
ICC
2009
IEEE
162views Communications» more  ICC 2009»
15 years 4 months ago
Minimizing Energy Consumption in IR-UWB Based Wireless Sensor Networks
Abstract—Impulse Radio Ultra-wideband (IR-UWB) communication has proven an important technique for supporting highrate, short-range, low-power communication. These are necessary ...
Tianqi Wang, Wendi B. Heinzelman, Alireza Seyedi
SAINT
2009
IEEE
15 years 4 months ago
On Enhancing Event-to-Sink Data Delivery Throughput in Sensor Networks
The many-to-one multihop traffic pattern of Wireless Sensor Networks (WSN) puts a great challenge on enhancing the event-to-sink data delivery throughput. Because, in CSMA/CA dri...
Md. Abdur Razzaque, Choong Seon Hong, Jin-Woong Ch...
SIAMJO
2008
108views more  SIAMJO 2008»
14 years 9 months ago
Sparse SOS Relaxations for Minimizing Functions that are Summations of Small Polynomials
This paper discusses how to find the global minimum of functions that are summations of small polynomials ("small" means involving a small number of variables). Some spa...
Jiawang Nie, James Demmel