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A General Theory for SIR Balancing

EURASIP Journal on Wireless Communications and Networking volume 2006, Article number: 060681 (2006) Cite this article

Abstract

We study the problem of maximizing the minimum signal-to-interference ratio (SIR) in a multiuser system with an adaptive receive strategy. The interference of each user is modelled by an axiomatic framework, which reflects the interaction between the propagation channel, the power allocation, and the receive strategy used for interference mitigation. Assuming that there is a one-to-one mapping between the QoS and the signal-to-interference ratio (SIR), the feasible QoS region is completely characterized by the max-min SIR balancing problem. In the first part of the paper, we derive fundamental properties of this problem for the most general case, when interference is modelled with an axiomatic framework. In the second part, we show more specific properties for interference functions based on a nonnegative coupling matrix. The principal aim of this paper is to provide a deeper understanding of the interaction between power allocation and interference mitigation strategies. We show how the proposed axiomatic approach is related to the matrix-based theory.

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Authors and Affiliations

  1. Heinrich Hertz Chair for Mobile Communications, Faculty of Electrical Engineering and Computer Science, Technical University of Berlin, Berlin, 10587, Germany

    Holger Boche

  2. Fraunhofer German-Sino Lab for Mobile Communications (MCI), Einsteinufer 37, Berlin, 10587, Germany

    Holger Boche & Martin Schubert

  3. Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut (HHI), Einsteinufer 37, Berlin, 10587, Germany

    Holger Boche

Authors
  1. Holger Boche
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  2. Martin Schubert
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Correspondence to Martin Schubert.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Boche, H., Schubert, M. A General Theory for SIR Balancing. J Wireless Com Network 2006, 060681 (2006). https://doi.org/10.1155/WCN/2006/60681

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  • DOI: https://doi.org/10.1155/WCN/2006/60681

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