Typical behavior of relays in communication channels
Alamino, Roberto C. and Saad, David (2007). Typical behavior of relays in communication channels. Physical review E, 76 , pp. 1-8.
Official URL: http://link.aps.org/doi/10.1103/PhysRevE.76.061124
The typical behaviour of the relay-without-delay channel under LDPC coding and its multiple-unit generalisation, termed the relay array, is studied using methods of statistical echanics. A demodulate-and-forward strategy is analytically solved using the replica symmetric ansatz which is exact in the system studied at Nishimori’s temperature. In particular, the typical level of improvement in communication performance by relaying messages is shown in the case of small and large number of relay units.
|Additional Information:||Copyright of the American Physical Society.|
|Uncontrolled Keywords:||statistical physics, replica theory, relay channel, LDPC codes|
|Deposited By:||Roberto Alamino|
|Deposited On:||11 Jan 2010 13:40|
|Last Modified:||20 Feb 2014 07:33|
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