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» Construction of Codes for Network Coding
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JCM
2008
77views more  JCM 2008»
15 years 6 months ago
In-Field Attack Proof of Injected False Data in Sensor Networks
In a large-scale sensor network individual sensors can be compromised to inject bogus sensing reports. While SEF can filter out the outfield false reports, it is incapable of detec...
Zheng Wang, Xiaodong Lee, Xinchang Zhang, Baoping ...
TDSC
2008
121views more  TDSC 2008»
15 years 6 months ago
Multipath Key Establishment for Wireless Sensor Networks Using Just-Enough Redundancy Transmission
In random key predistribution techniques for wireless sensor networks, a relatively small number of keys are randomly chosen from a large key pool and are loaded on the sensors pri...
Jing Deng, Yunghsiang S. Han
TWC
2008
131views more  TWC 2008»
15 years 6 months ago
On channel estimation and optimal training design for amplify and forward relay networks
In this paper, we provide a complete study on the training based channel estimation issues for relay networks that employ the amplify-and-forward (AF) transmission scheme. We first...
Feifei Gao, Tao Cui, Arumugam Nallanathan
204
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TASLP
2002
82views more  TASLP 2002»
15 years 6 months ago
Graceful degradation of speech recognition performance over packet-erasure networks
Abstract--This paper explores packet loss recovery for automatic speech recognition (ASR) in spoken dialog systems, assuming an architecture in which a lightweight client communica...
Constantinos Boulis, Mari Ostendorf, Eve A. Riskin...
TC
2002
15 years 6 months ago
Grid Coverage for Surveillance and Target Location in Distributed Sensor Networks
We present novel grid coverage strategies for effective surveillance and target location in distributed sensor networks. We represent the sensor field as a grid (two or three-dimen...
Krishnendu Chakrabarty, S. Sitharama Iyengar, Hair...