TSP
2012
12 years 7 months ago
2012
—Despite that underwater acoustic channels are well known to contain various interferences, research on interference mitigation in underwater acoustic communications has been ver...
DSD
2011
IEEE
12 years 11 months ago
2011
IEEE
—With the opening up of white spaces, efficient use of the fragmented spectrum - TV white space in particular - has become an extremely important focus of research. Apart from ef...
CISS
2011
IEEE
13 years 3 months ago
2011
IEEE
—We analyze the fundamental limits of key generation and describe an implementation based on error correcting codes. We show that key extraction based on channel coefficients si...
WCE
2007
14 years 1 months ago
2007
—Orthogonal Frequency Division Multiplexing (OFDM) is gaining popularity for high data rate communication systems. We propose the use of adaptive beamforming for interference rej...
VTC
2007
IEEE
14 years 6 months ago
2007
IEEE
—To approximate the exact peaks of continuous-time orthogonal frequency division multiplexing (OFDM) signals, four times oversampling is usually employed for discrete-time OFDM s...
VTC
2008
IEEE
14 years 6 months ago
2008
IEEE
—Orthogonal frequency division multiplexing (OFDM) signals have a problem with high peak-to-average power ratio (PAPR). A distortionless selective mapping (SLM) has been proposed...