2392 search results - page 144 / 479 » Channel-Hopping Multiple Access |
TSP
2008
15 years 1 months ago
2008
In this paper, we present a powerful technique for the blind extraction of direct-sequence code-division multiple access (DS-CDMA) signals from convolutive mixtures received by an ...
102
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WIOPT
2010
IEEE
15 years 2 days ago
2010
IEEE
In this paper, we propose a comprehensive probabilistic framework which can be used to model and analyze cognitive radio (CR) network using carrier sensing (CS) based multiple acc...
129
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TCOM
2011
14 years 8 months ago
2011
—The number of active users in code-division multiple access (CDMA) systems is often much lower than the spreading gain. The present paper exploits fruitfully this a priori infor...
TIT
2010
14 years 8 months ago
2010
The theory of Markov set-chains is applied to derive upper and lower bounds on the capacity of finite-state channels that are tighter than the classic bounds by Gallager. The new ...
115
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ICIP
2007
IEEE
16 years 3 months ago
2007
IEEE
In this paper we introduce the concept of multiple description video transcoding (MDVT). MDVT converts a single description encoded video into two or more descriptions at an interm...