Zobrazeno 1 - 10
of 1 631
pro vyhledávání: '"Chebyshev iteration"'
Autor:
Sherief Hashima, Osamu Muta
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2020, Iss 1, Pp 1-12 (2020)
Abstract In massive MIMO (mMIMO) systems, large matrix inversion is a challenging problem due to the huge volume of users and antennas. Neumann series (NS) and successive over relaxation (SOR) are two typical methods that solve such a problem in line
Externí odkaz:
https://doaj.org/article/ed344cd787da40faaf77fdcd944bb739
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
IEEE Access, Vol 5, Pp 22545-22551 (2017)
Precoding algorithm is used to transmit signals effectively and to reduce the interferences from other user terminals in the massive multiple-input-multiple-output (MIMO) systems. In order to decrease the computational complexity of the precoding mat
Externí odkaz:
https://doaj.org/article/8870958fc47847738e09a738e0a0ec65
Autor:
Lubomír Říha, Peter Arbenz
Publikováno v:
Journal of Parallel and Distributed Computing. 137:148-159
We investigate the iterative solution of a symmetric positive definite linear system involving the shifted Laplacian as the system matrix on General Purpose Graphics Processing Units (GPGPUs). We consider in particular the Chebyshev iteration for its
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aea9c21c73db56fd65a22568f4a7b818
https://doi.org/10.1016/j.jpdc.2019.11.004
https://doi.org/10.1016/j.jpdc.2019.11.004
Autor:
Osamu Muta, Sherief Hashima
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2020, Iss 1, Pp 1-12 (2020)
In massive MIMO (mMIMO) systems, large matrix inversion is a challenging problem due to the huge volume of users and antennas. Neumann series (NS) and successive over relaxation (SOR) are two typical methods that solve such a problem in linear precod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::323a771a5b6c8c81e26ff2fca9a1c7ef
https://doaj.org/article/ed344cd787da40faaf77fdcd944bb739
https://doaj.org/article/ed344cd787da40faaf77fdcd944bb739
Autor:
Zhao-Zheng Liang, Owe Axelsson
Publikováno v:
Linear Algebra and its Applications. 582:403-429
A special two-by-two block matrix form arises in many important applications. Extending earlier results it is shown that parameter modified versions of a very efficient preconditioner does not improve its rate of convergence. This holds also for iter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98e001136bfd46f97a0b2cd14b48d41b
https://doi.org/10.1016/j.laa.2019.07.024
https://doi.org/10.1016/j.laa.2019.07.024
Publikováno v:
2021 2nd International Conference on Computer Communication and Network Security (CCNS).
In the massive MIMO system, due to the huge orders of magnitude of users and base station antennas, the complexity of large-scale matrix inversion is relatively high. How to solve the matrix inversion problem has always been a hot spot in precoding r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63c135e9e2fb06183d8964f1752bfeb4
https://doi.org/10.1109/ccns53852.2021.00031
https://doi.org/10.1109/ccns53852.2021.00031
Autor:
Robyn M. Woollands, John L. Junkins
Publikováno v:
Journal of Guidance, Control, and Dynamics. 42:1007-1022
An adaptive self-tuning Picard–Chebyshev numerical integration method is presented for solving initial and boundary value problems by considering high-fidelity perturbed two-body dynamics. The curr...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbbbcc6823cfe1daf86c8e47934aa840
https://doi.org/10.2514/1.g003318
https://doi.org/10.2514/1.g003318
Autor:
Kathrin Glau, Mirco Mahlstedt
Publikováno v:
International Journal of Computer Mathematics. 96:2302-2314
Chebyshev interpolation is a highly effective, intensively studied method and enjoys excellent numerical properties. The interpolation nodes are known beforehand, implementation is straightforward and the method is numerically stable. For efficiency,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20bd97bb2c5939b17ad54f740fcadcf4
https://doi.org/10.1080/00207160.2019.1599364
https://doi.org/10.1080/00207160.2019.1599364
The numerical solution of singular initial value problems using Chebyshev wavelet collocation method
Autor:
S. C. Shiralashetti, A.B. Deshi
Publikováno v:
Ain Shams Engineering Journal, Vol 9, Iss 4, Pp 1451-1456 (2018)
Wavelet analysis is a recently developed mathematical tool for many problems. In this paper, an efficient and new numerical method is proposed for the numerical solution of singular initial value problems, which is based on collocation points with Ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ab7049c9605b79fa24843b664233749
http://www.sciencedirect.com/science/article/pii/S2090447916301472
http://www.sciencedirect.com/science/article/pii/S2090447916301472