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Fixed-rate Transmission over Fading Interference Channels Using Point-to-Point Gaussian Codes
Chalmers University of Technology.ORCID-id: 0000-0001-9853-2977
KTH, Skolan för elektro- och systemteknik (EES). Tongji University.
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsteori. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre. (Communication Theory Laboratory)ORCID-id: 0000-0002-7926-5081
2015 (Engelska)Ingår i: IEEE Transactions on Communications, ISSN 0090-6778, E-ISSN 1558-0857, Vol. 63, nr 10, s. 3633-3644Artikel i tidskrift, Editorial material (Refereegranskat) Published
Abstract [en]

This paper investigates transmission schemes for fixed-rate communications over a Rayleigh block-fading interference channel. There are two source-destination pairs where each source, in the presence of a short-term power constraint, intends to communicate with its dedicated destination at a fixed data rate. It encodes its messages using a point-to-point Gaussian codebook. The two users' transmissions can be conducted orthogonally or non-orthogonally. In the latter case, each destination performs either direct decoding by treating the interference as noise, or successive interference cancellation (SIC) to recover its desired message. For each scheme, we seek solutions of a power control problem to efficiently assign power to the sources such that the codewords can be successfully decoded at destinations. However, because of the random nature of fading, the power control problem for some channel realizations may not have any feasible solution and the transmission will be in outage. Thus, for each transmission scheme, we first compute a lower bound and an upper bound on the outage probability. Next, we use these results to find an outer bound and an inner bound on the epsilon-outage achievable rate region, i.e., the rate region in which the outage probability is below a certain value epsilon

Ort, förlag, år, upplaga, sidor
IEEE Press, 2015. Vol. 63, nr 10, s. 3633-3644
Nyckelord [en]
Interference channel, power control, point to point codes, successive interferes cancelation, block fading
Nationell ämneskategori
Telekommunikation
Identifikatorer
URN: urn:nbn:se:kth:diva-124883DOI: 10.1109/TCOMM.2015.2471301ISI: 000363257200015Scopus ID: 2-s2.0-84958191634OAI: oai:DiVA.org:kth-124883DiVA, id: diva2:638685
Forskningsfinansiär
Stiftelsen för strategisk forskning (SSF)
Anmärkning

QC 20151216

Tillgänglig från: 2013-08-01 Skapad: 2013-08-01 Senast uppdaterad: 2017-12-06Bibliografiskt granskad

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Farhadi, HamedSkoglund, Mikael

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Farhadi, HamedWang, ChaoSkoglund, Mikael
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Skolan för elektro- och systemteknik (EES)KommunikationsteoriACCESS Linnaeus Centre
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IEEE Transactions on Communications
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