On the degradedness of fast fading Gaussian multiple-antenna wiretap channels with statistical channel state information at the transmitter

Pin Hsun Lin, Eduard A. Jorswieck, Rafael F. Schaefer, Martin Mittelbach

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

1 Zitat (Scopus)

Abstract

The characterization of secrecy capacities of Gaussian wiretap channels depends on the knowledge of channel state information at the transmitter (CSIT). When there is only statistical CSIT, the secrecy capacity is unknown in general. In this paper we investigate the relation between the usual multivariate stochastic order and the degradedness among the legitimate receiver's and eavesdropper's channels under fast fading with only statistical CSIT. The considered transmitter has multiple antennas and the legitimate receiver and the eavesdropper both have multiple antennas. Based on the technique of coupling we derive criteria to check the degradedness of the fast fading Gaussian wiretap channel including some commonly used channel models even there is only statistical CSIT. We illustrate one example of a Rician 2× 2×2 channel where the ergodic secrecy capacity can be derived under different K-factors.

OriginalspracheEnglisch
Titel2015 IEEE Globecom Workshops, GC Wkshps 2015 - Proceedings
Herausgeber (Verlag)Institute of Electrical and Electronics Engineers Inc.
ISBN (elektronisch)9781467395267
DOIs
PublikationsstatusVeröffentlicht - 2015
Extern publiziertJa
VeranstaltungIEEE Globecom Workshops, GC Wkshps 2015 - San Diego, USA/Vereinigte Staaten
Dauer: 6 Dez. 201510 Dez. 2015

Publikationsreihe

Name2015 IEEE Globecom Workshops, GC Wkshps 2015 - Proceedings

Konferenz

KonferenzIEEE Globecom Workshops, GC Wkshps 2015
Land/GebietUSA/Vereinigte Staaten
OrtSan Diego
Zeitraum6/12/1510/12/15

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