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dc.contributor.author
Wigger, Michèle A.
dc.contributor.author
Gastpar, Michael
dc.date.accessioned
2020-09-11T06:42:15Z
dc.date.available
2017-06-08T20:51:08Z
dc.date.available
2020-09-11T06:42:15Z
dc.date.issued
2008
dc.identifier.isbn
978-1-4244-2256-2
en_US
dc.identifier.isbn
978-1-4244-2257-9
en_US
dc.identifier.other
10.1109/ISIT.2008.4595189
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/13041
dc.description.abstract
A generic intuition says that the pre-log, or multiplexing gain, cannot be larger than the minimum of the number of transmit and receive dimensions. This suggests that for the scalar broadcast channel, the pre-log cannot exceed one. By contrast, in this note, we show that when the noises are anti-correlated and feedback is present, then a pre-log of two can be attained. In other words, in this special case, in the limit of high SNR, the scalar Gaussian broadcast channel turns into two parallel AWGN channels. Achievability is established via a coding strategy due to Schalkwijk, Kailath, and Ozarow.
en_US
dc.language.iso
en
en_US
dc.publisher
IEEE
en_US
dc.title
The pre-log of Gaussian broadcast with feedback can be two
en_US
dc.type
Conference Paper
dc.date.published
2008-08-08
ethz.book.title
2008 IEEE International Symposium on Information Theory
en_US
ethz.pages.start
1258
en_US
ethz.pages.end
1262
en_US
ethz.event
2008 IEEE International Symposium on Information Theory (ISIT 2008)
en_US
ethz.event.location
Toronto, Canada
en_US
ethz.event.date
July 6-11, 2008
en_US
ethz.publication.place
Piscataway, NJ
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02140 - Dep. Inf.technologie und Elektrotechnik / Dep. of Inform.Technol. Electrical Eng.::02639 - Inst. f. Signal- und Informationsverarb. / Signal and Information Processing Lab.::03529 - Lapidoth, Amos / Lapidoth, Amos
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02140 - Dep. Inf.technologie und Elektrotechnik / Dep. of Inform.Technol. Electrical Eng.::02639 - Inst. f. Signal- und Informationsverarb. / Signal and Information Processing Lab.::03529 - Lapidoth, Amos / Lapidoth, Amos
ethz.date.deposited
2017-06-08T20:51:32Z
ethz.source
ECIT
ethz.identifier.importid
imp59364c2263c1b56439
ethz.ecitpid
pub:24417
ethz.eth
yes
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2017-07-12T17:15:45Z
ethz.rosetta.lastUpdated
2021-02-15T17:10:18Z
ethz.rosetta.versionExported
true
ethz.COinS
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