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Capacity of the Generalized PPM Channel

Hamkins, Jon and Klimesh, Matthew and McEliece, Robert and Moision, Bruce (2004) Capacity of the Generalized PPM Channel. In: 2004 IEEE International Symposium on Information Theory. IEEE , New York, NY, p. 334. ISBN 0-7803-8280-3.

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We show the capacity of a generalized pulse position modulation (PPM) channel, where the input vectors may be any set that allows a transitive group of coordinate permutations, is achieved by a uniform input distribution. We derive a simple expression for capacity in terms of the Kullback-Leibler distance for the binary case, and find the asymptote in the PPM order. We prove a subadditivity result for the PPM channel and use it to show PPM capacity is monotonic in the order.

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Additional Information:© 2004 IEEE. Date of Current Version: 10 January 2005. This work was supported by the IPN Technology Program and performed at the Jet Propulsion Laboratory, California Institute of Technology under contract with the National Aeronautics and Space Administration.
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INSPEC Accession Number9351677
Record Number:CaltechAUTHORS:20110818-095939379
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Official Citation:J. Hamkins; M. Klimesh; R.J. McEliece; B. Moision; , "Capacity of the generalized PPM channel," Information Theory, 2004. ISIT 2004. Proceedings. International Symposium on , vol., no., pp.334, 2004 doi: 10.1109/ISIT.2004.1365371 URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:24929
Deposited By: Tony Diaz
Deposited On:18 Aug 2011 17:19
Last Modified:09 Nov 2021 16:28

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