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Outage Rate Regions for the MISO IFC
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7599-4367
2009 (English)In: Proceedings of the 43rd Asilomar Conference on Signals, Systems, and Computers (Asilomar), 2009, 1120-1124 p.Conference paper, Published paper (Refereed)
Abstract [en]

We consider the two-user multiple-input single output (MISO) interference channel (IFC) and assume that the receivers treat the interference as additive Gaussian noise. We study the rates that can be achieved in a slow-fading scenario, allowing an outage probability. We introduce three definitions for the outage region of the IFC. The definitions differ on whether the rates are declared in outage jointly or individually and whether there is perfect or statistical information about the channels. Even for the broadcast and the multiple-access channels, which are special cases of the IFC, there exist several definitions of the outage rate regions. We provide interpretations of the definitions and compare the corresponding regions via numerical simulations. Also, we discuss methods for finding the regions. This includes a characterization of the beamforming strategies, which are optimal in the sense that achieve rate pairs on the Pareto boundary of the outage rate region.

Place, publisher, year, edition, pages
2009. 1120-1124 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-25590DOI: 10.1109/ACSSC.2009.5470046ISBN: 978-1-4244-5825-7 (print)OAI: oai:DiVA.org:liu-25590DiVA: diva2:246020
Note
©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE: Johannes Lindblom, Eleftherios Karipidis and Erik G. Larsson, Outage Rate Regions for the MISO IFC, 2009, Proceedings of the 43rd Asilomar Conference on Signals, Systems, and Computers (ACSSC'09). Available from: 2009-10-08 Created: 2009-10-08 Last updated: 2016-08-31
In thesis
1. Resource Allocation on the MISO Interference Channel
Open this publication in new window or tab >>Resource Allocation on the MISO Interference Channel
2010 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

The need for wireless communications has increased during the last decades. To increase the data rates of the communication links there is a need of allocating larger frequency bands. These bands are strictly regulated and the majority of the frequencies are allocated to licensed systems. The splitting of the bandwidth is orthogonal, which mean that the different systems are not interfering each other. But, orthogonal splitting is inefficient since it does not exploit all degrees of freedom in the wireless channels.

There are also unlicensed bands where different systems co-exist and operate simultaneously in a non-orthogonal manner and interfere each other. This interference degrades the performance of each system. This motivates the use of so-called spectrum sharing techniques for interference management.

The spectrum sharing can be modeled via the so-called interference channel (IFC). This consists of at least two transmitter (TX)-receiver (RX) pairs. These pairs can share resources such as frequency, time, power, code, or space. Here, the focus is on the sharing of spatial resources. By employing multiple antennas at the TXs, spatial diversity is obtained and it is possible to steer the power in any spatial direction. Assuming a single antenna at each RX we get the so-called multiple-input single-output (MISO) IFC.

There is a conflict inherent in the IFC since the TX-RX pairs optimize conflicting objectives, e.g., the data rates. To analyze this conflict we use game-theoretic concepts. In general, the situation where the TXs transmit in the directions which are optimal for their objective is inefficient. That is, it is possible increase all rates of some (or all) TX-RX pairs without decreasing the rate of any of the pairs. To do so, the TXs change their strategies such that interference is decreased.

We define several rate regions, which depend on the channel model and channelstate information at the transmitters. Also, some of the most important game-theoretic operating points are described.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2010. 27 p.
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1438
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-55102 (URN)LIU-TEK-LIC-2010:9 (Local ID)978-91-7393-377-3 (ISBN)LIU-TEK-LIC-2010:9 (Archive number)LIU-TEK-LIC-2010:9 (OAI)
Presentation
2010-05-28, Glashuset, B-huset, Campus Valla, Linköpings universitet, Linköping, 13:15 (English)
Opponent
Supervisors
Available from: 2010-05-03 Created: 2010-04-29 Last updated: 2016-08-31Bibliographically approved

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Lindblom, JohannesKaripidis, EleftheriosLarsson, Erik G.

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