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VTC
2006
IEEE
113views Communications» more  VTC 2006»
15 years 3 months ago
On the Calculation of OFDM Error Performance with Phase Noise in AWGN and Fading Channels
Oscillator phase noise (PN) in orthogonal frequency division multiplexing (OFDM) systems can cause severe performance degradation. In contrary to the assumptions made previously, r...
Himal A. Suraweera, Xiaolin Zhou, Jean Armstrong
IUI
2006
ACM
15 years 3 months ago
Three phase verification for spoken dialog clarification
Spoken dialog tasks incur many errors including speech recognition errors, understanding errors, and even dialog management errors. These errors create a big gap between user'...
Sangkeun Jung, Cheongjae Lee, Gary Geunbae Lee
CAISE
2005
Springer
15 years 3 months ago
Query Processing Using Ontologies
Abstract. Recently, the database and AI research communities have paid increased attention to ontologies. The main motivating reason is that ontologies promise solutions for comple...
Chokri Ben Necib, Johann Christoph Freytag
IDEAL
2004
Springer
15 years 3 months ago
Cosine Transform Priors for Enhanced Decoding of Compressed Images
Abstract. Image compression methods such as JPEG use quantisation of discrete cosine transform (DCT) coefficients of image blocks to produce lossy compression. During decoding, an...
Amos J. Storkey, Michael Allan
IWQOS
2004
Springer
15 years 3 months ago
On quality-of-service and energy consumption tradeoffs in FEC-encoded audio streaming
This paper addresses the energy consumption of forward error correction (FEC) protocols as used to improve quality-of-service (QoS) for wireless computing devices. The paper also ...
Zhinan Zhou, Philip K. McKinley, Seyed Masoud Sadj...