Zobrazeno 1 - 10
of 44
pro vyhledávání: '"adaptive projected subgradient method"'
Akademický článek
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Publikováno v:
ICASSP
Hybrid analog-/digital beamforming architectures are a promising means of reducing power consumption and hardware costs in large multi-antenna transceivers. However, channel estimation becomes more complicated compared with conventional (fully-digita
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10cc3a85245fb679b9e5d28f10aae79d
https://doi.org/10.1109/icassp40776.2020.9054411
https://doi.org/10.1109/icassp40776.2020.9054411
Autor:
Masahiro Yukawa, Stefan Valentin, Slawomir Stanczak, Renato L. G. Cavalcante, Martin Kasparick
Publikováno v:
IEEE Transactions on Vehicular Technology. 65:5461-5473
In this paper, we address the problem of reconstructing coverage maps from path-loss measurements in cellular networks. We propose and evaluate two kernel-based adaptive online algorithms as an alternative to typical offline methods. The proposed alg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec7a97b8f1e58acd53b9c690c51c53eb
https://doi.org/10.1109/tvt.2015.2453391
https://doi.org/10.1109/tvt.2015.2453391
Publikováno v:
MMSP
In this paper, we present a novel iterative MPEG super-resolution method based on an embedded constraint version of adaptive projected subgradient method [Yamada & Ogura 2003]. We propose an efficient operator that approximates convex projection onto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ecaec4a69d4179c3cf2d2e752dcc1add
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100392873
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100392873
Publikováno v:
IEEE Journal of Selected Topics in Signal Processing. 5:739-753
We propose a non-hierarchical decentralized algorithm for the asymptotic minimization of possibly time-varying convex functions. In our method, each agent in a network has a private, local (possibly time-varying) cost function, and the objective is t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d7ae534f3ee0d2ae579958ddfad035b
https://doi.org/10.1109/jstsp.2011.2114325
https://doi.org/10.1109/jstsp.2011.2114325
Conference
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Publikováno v:
ICASSP
This paper is concerned with the mean-square performance of the hyperslab-based adaptive projected subgradient method, a set theoretic estimation tool that has been successfully applied in a wide variety of signal processing tasks. Using energy-conse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20d54d513f2385ec601c46cf946a2337
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100668385
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100668385
Publikováno v:
ICASSP
We present an algorithm that minimizes asymptotically a sequence of non-negative convex functions over diffusion networks. To account for possible node failures, position changes, and/or reachability problems (because of moving obstacles, jammers, et
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5648d22e5c9583200052eb3cf405eda
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100567272
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100567272
Autor:
Renato L. G. Cavalcante, Isao Yamada
Publikováno v:
ICASSP (3)
We introduce adaptive linear filters based on the adaptive projected subgradient method that are suitable for online implementation of multiple access interference (MAI) suppression in OSTBC-MIMO systems. The proposed adaptive filters track the optim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4e6e7383eadaaf2845d0b0e668be3b5
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100526355
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100526355