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TIT
2010
133views Education» more  TIT 2010»
13 years 4 months ago
Secure transmission with multiple antennas I: the MISOME wiretap channel
Abstract--The role of multiple antennas for secure communication is investigated within the framework of Wyner's wiretap channel. We characterize the secrecy capacity in terms...
Ashish Khisti, Gregory W. Wornell
TIT
2010
123views Education» more  TIT 2010»
13 years 4 months ago
Outage exponents of block-fading channels with power allocation
Power allocation is studied for fixed-rate transmission over block-fading channels with arbitrary continuous fading distributions and perfect transmitter and receiver channel state...
Khoa D. Nguyen, Albert Guillen i Fabregas, Lars K....
ICASSP
2011
IEEE
13 years 1 months ago
Error-entropy based channel state estimation of spatially correlated MIMO-OFDM
—This paper deals with optimized training sequences to estimate multiple-input multiple-output orthogonal frequencydivision multiplexing (MIMO-OFDM) channel states in the presenc...
Hoang Duong Tuan, Ha Hoang Kha, Ha H. Nguyen
IEICET
2006
87views more  IEICET 2006»
13 years 9 months ago
Measurements and Characterization of Ultra Wideband Propagation Channels in a Passenger-Car Compartment
Ultra wideband (UWB) signal propagation was measured and characterized in comparison with narrowband in a passenger-car compartment, to accommodate a design of new wireless devices...
Takehiko Kobayashi
GLOBECOM
2009
IEEE
14 years 4 months ago
How Much Training Is Needed for Iterative Multiuser Detection and Decoding?
Abstract—This paper studies large randomly spread directsequence code-division multiple-access system operating over a block fading multipath channel. Channel knowledge is obtain...
Mikko Vehkaperä, Keigo Takeuchi, Ralf R. M&uu...