Published June 6, 2008
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The MIMO wiretap channel
- Creators
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Oggier, Frédérique
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Hassibi, Babak
Abstract
We study the MIMO wiretap channel, a MIMO broadcast channel where the transmitter sends some confidential information to one user which is a legitimate receiver, while the other user is an eavesdropper. Perfect secrecy is achieved when the transmitter and the legitimate receiver can communicate at some positive rate, while ensuring that the eavesdropper gets zero bits of information. In this paper, we compute the perfect secrecy capacity of the multiple antenna MIMO broadcast channel, where the number of antennas is arbitrary for both the transmitter and the two receivers. Our technique involves a careful study of a Sato-like upper bound via the solution of a certain algebraic Riccati equation.
Additional Information
© 2008 IEEE. This work was supported in part by NSF grant CCF-0729203, by Caltech's Lee Center for Advanced Networking and by a grant from the David and Lucille Packard Foundation.Attached Files
Published - OGGisccsp08.pdf
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Additional details
- Eprint ID
- 13769
- Resolver ID
- CaltechAUTHORS:OGGisccsp08
- NSF
- CCF-0729203
- David and Lucile Packard Foundation
- Caltech Lee Center for Advanced Networking
- Created
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2009-04-03Created from EPrint's datestamp field
- Updated
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2021-11-08Created from EPrint's last_modified field