Sciweavers

30 search results - page 2 / 6
» How Much Improvement Can We Get From Partially Overlapped Ch...
Sort
View
RTSS
2009
IEEE
14 years 5 months ago
Multi-Channel Interference Measurement and Modeling in Low-Power Wireless Networks
Abstract—Multi-channel design has received significant attention for low-power wireless networks (LWNs), such as 802.15.4-based wireless sensor networks, due to its potential of...
Guoliang Xing, Mo Sha, Jun Huang, Gang Zhou, Xiaor...
CORR
2008
Springer
127views Education» more  CORR 2008»
13 years 11 months ago
Achieving Near-Capacity at Low SNR on a Multiple-Antenna Multiple-User Channel
We analyze the sensitivity of the capacity of a multi-antenna multi-user system to the number of users being served. We show analytically that, for a given desired sum-rate, the e...
Chau Yuen, Bertrand M. Hochwald
ICC
2007
IEEE
146views Communications» more  ICC 2007»
14 years 5 months ago
Optimally Mapping an Iterative Channel Decoding Algorithm to a Wireless Sensor Network
–Retransmission based schemes are not suitable for energy constrained wireless sensor networks. Hence, there is an interest in including parity bits in each packet for error cont...
Saad B. Qaisar, Shirish S. Karande, Kiran Misra, H...
TVCG
2010
186views more  TVCG 2010»
13 years 9 months ago
An Information-Theoretic Framework for Flow Visualization
—The process of visualization can be seen as a visual communication channel where the input to the channel is the raw data, and the output is the result of a visualization algori...
Lijie Xu, Teng-Yok Lee, Han-Wei Shen
CSL
2007
Springer
13 years 10 months ago
Partially observable Markov decision processes for spoken dialog systems
In a spoken dialog system, determining which action a machine should take in a given situation is a difficult problem because automatic speech recognition is unreliable and hence ...
Jason D. Williams, Steve Young