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GLOBECOM
2009
IEEE
16 years 1 months ago
Maximizing Lifetime of Sensor-Target Surveillance in Wireless Sensor Networks
—The paper addresses the maximal lifetime problem in sensor-target surveillance networks. Given a set of sensors and targets in an Euclidean plane, each sensor can watch all targ...
Hai Liu, Xiaowen Chu, Yiu-Wing Leung, Xiaohua Jia,...
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GLOBECOM
2009
IEEE
16 years 1 months ago
Randomized Multi-Channel Interrogation Algorithm for Large-Scale RFID Systems
— A radio frequency identification (RFID) system consists of a set of readers and several objects, equipped with small computer chips, called tags. In a dense RFID system, where...
Amir Hamed Mohsenian Rad, Vahid Shah-Mansouri, Vin...
ICASSP
2009
IEEE
16 years 1 months ago
Using collective information in semi-supervised learning for speech recognition
Training accurate acoustic models typically requires a large amount of transcribed data, which can be expensive to obtain. In this paper, we describe a novel semi-supervised learn...
Balakrishnan Varadarajan, Dong Yu, Li Deng, Alex A...
ICASSP
2009
IEEE
16 years 1 months ago
Underdetermined audio source separation from anechoic mixtures with long time delay
We propose a technique to separate audio sources from their anechoic mixtures with long delay in an underdetermined setting (i.e., the number of audio sensors is smaller than that...
Namgook Cho, C.-C. Jay Kuo
ICC
2009
IEEE
166views Communications» more  ICC 2009»
16 years 1 months ago
A Cross-Layer Perspective on Rateless Coding for Wireless Channels
Abstract—Rateless coding ensures reliability by providing everincreasing redundancy, traditionally at the packet level (i.e. the application layer) through erasure coding. This p...
Thomas A. Courtade, Richard D. Wesel