On the Symmetric Feedback Capacity of the K-User Cyclic Z-Interference Channel

Author(s): Tandon, Ravi; Mohajer, Soheil; Poor, H Vincent

To refer to this page use: http://arks.princeton.edu/ark:/88435/pr13v07
DC FieldValueLanguage
dc.contributor.authorTandon, Ravi-
dc.contributor.authorMohajer, Soheil-
dc.contributor.authorPoor, H Vincent-
dc.date.accessioned2020-02-19T21:59:56Z-
dc.date.available2020-02-19T21:59:56Z-
dc.date.issued2013-05en_US
dc.identifier.citationTandon, Ravi, Soheil Mohajer, and H. Vincent Poor. "On the symmetric feedback capacity of the K-user cyclic Z-interference channel." IEEE Transactions on Information Theory 59, no. 5 (2012): 2713-2734. doi:10.1109/TIT.2012.2235904en_US
dc.identifier.issn0018-9448-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr13v07-
dc.description.abstractThe K -user cyclic Z-interference channel models a situation in which the k th transmitter causes interference only to the ( k -1)th receiver in a cyclic manner, e.g., the first transmitter causes interference only to the K th receiver. The impact of noiseless feedback on the capacity of this channel is studied by focusing on the Gaussian cyclic Z-interference channel. To this end, the symmetric feedback capacity of the linear shift deterministic cyclic Z-interference channel is completely characterized for all interference regimes. Using insights from the linear deterministic channel model, the symmetric feedback capacity of the Gaussian cyclic Z-interference channel is characterized up to within a constant number of bits. As a byproduct of the constant gap result, the symmetric generalized degrees of freedom with feedback for the Gaussian cyclic Z-interference channel are also characterized. These results highlight that the symmetric feedback capacities for both linear and Gaussian channel models are in general functions of K , the number of users. Furthermore, the capacity gain obtained due to feedback decreases as K increases.en_US
dc.format.extent2713 - 2734en_US
dc.language.isoen_USen_US
dc.relation.ispartofIEEE Transactions on Information Theoryen_US
dc.rightsAuthor's manuscripten_US
dc.titleOn the Symmetric Feedback Capacity of the K-User Cyclic Z-Interference Channelen_US
dc.typeJournal Articleen_US
dc.identifier.doi10.1109/TIT.2012.2235904-
dc.identifier.eissn1557-9654-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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