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211
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GLOBECOM
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract—Recent studies have been conducted to indicate the ineffective usage of licensed bands due to the static spectrum allocation. In order to improve the spectrum utilizatio...
162
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GLOBECOM
2009
IEEE
16 years 1 months ago
2009
IEEE
— In this paper, we study the anonymous cardinality estimation problem in radio frequency identification (RFID) systems. To preserve privacy and anonymity, each tag only transmi...
166
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GLOBECOM
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract—Cognitive radio technologies have become a promising approach to increase the efficiency of spectrum utilization. Although cognitive radio has been intensively studied ...
179
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GLOBECOM
2009
IEEE
16 years 1 months ago
2009
IEEE
—Medium access in ad-hoc wireless networks must be performed in a distributed fashion due to lack of coordination between nodes. Specifically, when nodes are capable of receivin...
197
click to vote
GLOBECOM
2009
IEEE
16 years 1 months ago
2009
IEEE
— In this paper we evaluate, by means of Extrinsic Information Transfer (EXIT) charts, an iterative receiver that has emerged as a promising candidate for non-coherent multi-user...