Conference Proceeding

On the structure of the capacity region of the Gaussian multiple access channel

Mobile Commun. Lab., Swiss Fed. Inst. of Technol., Lausanne, Switzerland
DOI:10.1109/ISIT.2004.1365144 ISBN: 0-7803-8280-3 pp.109 In proceeding of: Information Theory, 2004. ISIT 2004. Proceedings. International Symposium on
Source: IEEE Xplore

ABSTRACT It is well-known that the capacity region of an M-user Gaussian multiple access channel is an M-dimensional polytope and the capacity region of a general discrete memoryless multiple-access channel contains a union of such polytopes. An expression for the number of vertices, edges, and more generally faces of any dimension D, of the capacity region of a Gaussian multiple access channel is derived in this paper.

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Keywords

capacity region
 
Gaussian multiple access channel
 
general discrete memoryless multiple-access channel
 
M-user Gaussian multiple access channel
 
polytopes