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ISITA
2010
12 years 11 months ago
On attainment of the capacity of broadband quantum channel by wavelength division multiplexing
Recently, the exact solution of the capacity of an attenuated quantum channel which is a model of a long distance optical fiber channel was derived [V. Giovannetti, et al., Phys. R...
Yoshio Takamura, Shogo Usami, Tsuyoshi Sasaki Usud...
GLOBECOM
2008
IEEE
13 years 11 months ago
Capacity of Symmetric K-User Gaussian Very Strong Interference Channels
—This paper studies a symmetric K user Gaussian interference channel with K transmitters and K receivers. A “very strong” interference regime is derived for this channel setu...
Sriram Sridharan, Amin Jafarian, Sriram Vishwanath...
TIT
1998
74views more  TIT 1998»
13 years 4 months ago
Comments on Broadcast Channels
—The key ideas in the theory of broadcast channels are illustrated by discussing some of the progress toward finding the capacity region. The capacity region is still unknown.
Thomas M. Cover
ICASSP
2008
IEEE
13 years 11 months ago
On the capacity of orientation modulation halftone channels
Clustered-dot halftones are extensively utilized in hardcopy printing. Modulation of the dot orientation in these halftones offers an avenue for data embedding which has been expl...
Orhan Bulan, Gaurav Sharma, Vishal Monga
CORR
2006
Springer
95views Education» more  CORR 2006»
13 years 5 months ago
Capacity of the Trapdoor Channel with Feedback
Abstract--We establish that the feedback capacity of the trapdoor channel is the logarithm of the golden ratio and provide a simple communication scheme that achieves capacity. As ...
Haim H. Permuter, Paul Cuff, Benjamin Van Roy, Tsa...