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Interference Networks With Point-to-Point Codes

Abstract : The paper establishes the capacity region of the Gaussian interference channel with many transmitter-receiver pairs constrained to use point-to-point codes. The capacity region is shown to be strictly larger in general than the achievable rate regions when treating interference as noise, using successive interference cancellation decoding, and using joint decoding. In a spatial network where the nodes are distributed according to a Poisson point process and the channel path loss exponent is β >; 2, it is shown that the density of users that can be supported by treating interference as noise can scale no faster than B2/β as the bandwidth B grows, while the density of users can scale linearly with B under optimal decoding.
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Contributor : Fabien Mathieu Connect in order to contact the contributor
Submitted on : Saturday, February 1, 2014 - 6:44:45 PM
Last modification on : Saturday, April 9, 2022 - 3:35:11 AM

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François Baccelli, Abbas El Gamal, David Tse. Interference Networks With Point-to-Point Codes. IEEE Transactions on Information Theory, Institute of Electrical and Electronics Engineers, 2011, 57 (5), pp.2582-2596. ⟨10.1109/TIT.2011.2119230⟩. ⟨hal-00940548⟩



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