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Error Exponents for Asymmetric Two-User Discrete Memoryless Source-Channel Systems
 

Summary: Error Exponents for Asymmetric Two-User Discrete
Memoryless Source-Channel Systems
Yangfan Zhong, Fady Alajaji and L. Lorne Campbell
Department of Mathematics and Statistics
Queen's University, Kingston, ON K7L 3N6, Canada
Email: {yangfan,fady,campblll}@mast.queensu.ca
Abstract-- Consider transmitting two discrete memoryless cor-
related sources, consisting of a common and a private source, over
a discrete memoryless multi-terminal channel with two trans-
mitters and two receivers. At the transmitter side, the common
source is observed by both encoders but the private source can
only be accessed by one encoder. At the receiver side, both
decoders need to reconstruct the common source, but only one
decoder needs to reconstruct the private source. We hence refer
to this system by the asymmetric 2-user source-channel system. In
this work, we derive a universally achievable joint source-channel
coding (JSCC) error exponent pair for the 2-user system by using
a technique which generalizes Csisz´ar's method [3] for the point-
to-point (single-user) discrete memoryless source-channel system.
We next investigate the largest convergence rate of asymptotic

  

Source: Alajaji, Fady - Department of Mathematics and Statistics, Queen's University (Kingston)
Linder, Tamás - Department of Mathematics and Statistics, Queen's University (Kingston)

 

Collections: Engineering