Interference-temperature limit for cognitive radio networks with MIMO primary users

C. Lameiro; W. Utschick; I. Santamaría

doi:10.1109/ACSSC.2014.7094625

Interference-temperature limit for cognitive radio networks with MIMO primary users

C. Lameiro, W. Utschick, I. Santamaría

Lehrstuhl für Methoden der Signalverarbeitung

Universidad de Cantabria

Publikation: Beitrag in Buch/Bericht/Konferenzband › Konferenzbeitrag › Begutachtung

5 Zitate (Scopus)

Abstract

This paper derives the interference-temperature (IT) limit for a multi-antenna primary user (PU) with a rate constraint. While in the case of a single-antenna PU there is a one-to-one mapping between IT and achievable rate, this correspondence does not hold anymore when a multiple-input multiple-output (MIMO) system is considered. In such cases, the spatial distribution of the interference must be taken into account, since it strongly affects the PU performance. To this end, we derive a closed-form expression for the maximum IT that can be tolerated by identifying the worst-case interference covariance matrix, which results in a multilevel waterfilling problem.

Originalsprache	Englisch
Titel	Conference Record of the 48th Asilomar Conference on Signals, Systems and Computers
Redakteure/-innen	Michael B. Matthews
Herausgeber (Verlag)	IEEE Computer Society
Seiten	1093-1097
Seitenumfang	5
ISBN (elektronisch)	9781479982974
DOIs	https://doi.org/10.1109/ACSSC.2014.7094625
Publikationsstatus	Veröffentlicht - 24 Apr. 2015
Veranstaltung	48th Asilomar Conference on Signals, Systems and Computers, ACSSC 2015 - Pacific Grove, USA/Vereinigte Staaten Dauer: 2 Nov. 2014 → 5 Nov. 2014

Publikationsreihe

Name	Conference Record - Asilomar Conference on Signals, Systems and Computers
Band	2015-April
ISSN (Print)	1058-6393

Konferenz

Konferenz	48th Asilomar Conference on Signals, Systems and Computers, ACSSC 2015
Land/Gebiet	USA/Vereinigte Staaten
Ort	Pacific Grove
Zeitraum	2/11/14 → 5/11/14

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10.1109/ACSSC.2014.7094625

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Lameiro, C., Utschick, W., & Santamaría, I. (2015). Interference-temperature limit for cognitive radio networks with MIMO primary users. in M. B. Matthews (Hrsg.), Conference Record of the 48th Asilomar Conference on Signals, Systems and Computers (S. 1093-1097). Artikel 7094625 (Conference Record - Asilomar Conference on Signals, Systems and Computers; Band 2015-April). IEEE Computer Society. https://doi.org/10.1109/ACSSC.2014.7094625

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title = "Interference-temperature limit for cognitive radio networks with MIMO primary users",

abstract = "This paper derives the interference-temperature (IT) limit for a multi-antenna primary user (PU) with a rate constraint. While in the case of a single-antenna PU there is a one-to-one mapping between IT and achievable rate, this correspondence does not hold anymore when a multiple-input multiple-output (MIMO) system is considered. In such cases, the spatial distribution of the interference must be taken into account, since it strongly affects the PU performance. To this end, we derive a closed-form expression for the maximum IT that can be tolerated by identifying the worst-case interference covariance matrix, which results in a multilevel waterfilling problem.",

keywords = "Interference temperature, cognitive radio",

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Lameiro, C, Utschick, W & Santamaría, I 2015, Interference-temperature limit for cognitive radio networks with MIMO primary users. in MB Matthews (Hrsg.), Conference Record of the 48th Asilomar Conference on Signals, Systems and Computers., 7094625, Conference Record - Asilomar Conference on Signals, Systems and Computers, Bd. 2015-April, IEEE Computer Society, S. 1093-1097, 48th Asilomar Conference on Signals, Systems and Computers, ACSSC 2015, Pacific Grove, USA/Vereinigte Staaten, 2/11/14. https://doi.org/10.1109/ACSSC.2014.7094625

Interference-temperature limit for cognitive radio networks with MIMO primary users. / Lameiro, C.; Utschick, W.; Santamaría, I.
Conference Record of the 48th Asilomar Conference on Signals, Systems and Computers. Hrsg. / Michael B. Matthews. IEEE Computer Society, 2015. S. 1093-1097 7094625 (Conference Record - Asilomar Conference on Signals, Systems and Computers; Band 2015-April).

Publikation: Beitrag in Buch/Bericht/Konferenzband › Konferenzbeitrag › Begutachtung

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N2 - This paper derives the interference-temperature (IT) limit for a multi-antenna primary user (PU) with a rate constraint. While in the case of a single-antenna PU there is a one-to-one mapping between IT and achievable rate, this correspondence does not hold anymore when a multiple-input multiple-output (MIMO) system is considered. In such cases, the spatial distribution of the interference must be taken into account, since it strongly affects the PU performance. To this end, we derive a closed-form expression for the maximum IT that can be tolerated by identifying the worst-case interference covariance matrix, which results in a multilevel waterfilling problem.

AB - This paper derives the interference-temperature (IT) limit for a multi-antenna primary user (PU) with a rate constraint. While in the case of a single-antenna PU there is a one-to-one mapping between IT and achievable rate, this correspondence does not hold anymore when a multiple-input multiple-output (MIMO) system is considered. In such cases, the spatial distribution of the interference must be taken into account, since it strongly affects the PU performance. To this end, we derive a closed-form expression for the maximum IT that can be tolerated by identifying the worst-case interference covariance matrix, which results in a multilevel waterfilling problem.

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Lameiro C, Utschick W, Santamaría I. Interference-temperature limit for cognitive radio networks with MIMO primary users. in Matthews MB, Hrsg., Conference Record of the 48th Asilomar Conference on Signals, Systems and Computers. IEEE Computer Society. 2015. S. 1093-1097. 7094625. (Conference Record - Asilomar Conference on Signals, Systems and Computers). doi: 10.1109/ACSSC.2014.7094625

Interference-temperature limit for cognitive radio networks with MIMO primary users

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