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» Capacity of General Discrete Noiseless Channels
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CORR
2008
Springer
106views Education» more  CORR 2008»
14 years 11 months ago
Outer Bounds for Multiple Access Channels with Feedback using Dependence Balance
We use the idea of dependence balance to obtain a new outer bound for the capacity region of the discrete memoryless multiple-access channel with noiseless feedback (MAC-FB). We co...
Ravi Tandon, Sennur Ulukus
112
Voted
ICC
2009
IEEE
135views Communications» more  ICC 2009»
14 years 9 months ago
A Discrete Channel Model for Capturing Memory and Soft-Decision Information: A Capacity Study
A discrete (binary-input 2q -ary output) communication channel with memory is introduced with the objective to judiciously capture both the statistical memory and the soft-decision...
Cecilio Pimentel, Fady Alajaji
GLOBECOM
2008
IEEE
15 years 6 months ago
A New Upper Bound for a Binary Additive Noisy Multiple Access Channel with Feedback
— We use the idea of dependence balance [1] to obtain the first improvement over the cut-set bound for the discrete memoryless multiple access channel with noiseless feedback (M...
Ravi Tandon, Sennur Ulukus
TIT
2008
94views more  TIT 2008»
14 years 11 months ago
Why Do Block Length and Delay Behave Differently if Feedback Is Present?
Abstract--For output-symmetric discrete memoryless channels (DMCs) at even moderately high rates, fixed-block-length communication systems show no improvements in their error expon...
Anant Sahai
85
Voted
CORR
2008
Springer
103views Education» more  CORR 2008»
14 years 11 months ago
The Capacity Region of the Degraded Finite-State Broadcast Channel
We consider the discrete, time-varying broadcast channel with memory, under the assumption that the channel states belong to a set of nite cardinality. We begin with the de nition...
Ron Dabora, Andrea J. Goldsmith