IEEE Communications Letters, ( ISI ), Volume (2), No (17), Year (2013-2) , Pages (203-206)

Title : ( A New Outer Bound for a Class of Interference Channels with a Cognitive Relay and a Certain Capacity Result )

Authors: Hossein Charmchi , Ghosheh Abed Hodtani , Masoumeh Nasiri-Kenari ,

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Abstract—The interference channel with a cognitive relay is a variation of the classical two-user interference channel in which a relay aids the transmission among the users. The relay is assumed to have genie-aided cognition: that is it has full, a- priori, knowledge of the messages to be transmitted. We obtain a new outer bound for this channel model and prove capacity for a class of channels in which the transmissions of the two users are non interfering. This capacity result improves on a previous result for the Gaussian case in which the capacity was proved to within a gap of 3 bits/s/Hz.

Keywords

, Index Terms—Semi-deterministic interference channel with a cognitive relay, Parallel channel with a cognitive
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@article{paperid:1032419,
author = {Hossein Charmchi and Abed Hodtani, Ghosheh and Masoumeh Nasiri-Kenari},
title = {A New Outer Bound for a Class of Interference Channels with a Cognitive Relay and a Certain Capacity Result},
journal = {IEEE Communications Letters},
year = {2013},
volume = {2},
number = {17},
month = {February},
issn = {1089-7798},
pages = {203--206},
numpages = {3},
keywords = {Index Terms—Semi-deterministic interference channel with a cognitive relay; Parallel channel with a cognitive relay.},
}

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%0 Journal Article
%T A New Outer Bound for a Class of Interference Channels with a Cognitive Relay and a Certain Capacity Result
%A Hossein Charmchi
%A Abed Hodtani, Ghosheh
%A Masoumeh Nasiri-Kenari
%J IEEE Communications Letters
%@ 1089-7798
%D 2013

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