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JSAC
2011
13 years 4 months ago
2011
Abstract—In cognitive radio networks (CRNs), detecting smallscale primary devices, such as wireless microphones, is a challenging, but very important, problem that has not yet be...
TWC
2010
13 years 4 months ago
2010
Wideband source localization using acoustic sensor networks has been drawing a lot of research interest recently in wireless communication applications, such as cellular handset lo...
CORR
2007
Springer
13 years 10 months ago
2007
Springer
Abstract— In this paper, collocated and distributed spacetime block codes (DSTBCs) which admit multi-group maximum likelihood (ML) decoding are studied. First the collocated case...
INFOCOM
2008
IEEE
14 years 4 months ago
2008
IEEE
—It is important in communication networks to use routes that are as short as possible (i.e have low stretch) while keeping routing tables small. Recent advances in compact routi...
MOBICOM
2010
ACM
13 years 10 months ago
2010
ACM
Cellular radios consume more power and suffer reduced data rate when the signal is weak. According to our measurements, the communication energy per bit can be as much as 6x highe...