Zobrazeno 1 - 10
of 231
pro vyhledávání: '"Vector Signal Analyzer"'
Autor:
Jan Labun, Gabriel Kalapos, Marek Ceskovic, Pavol Kurdel, Jan Gamec, Alexey Nekrasov, Colin Fidge, Miroslav Lassak
Publikováno v:
IEEE Access, Vol 8, Pp 196609-196617 (2020)
This article presents a novel concept for a highly accurate and simple two-port vector signal analyzer. A current phase ratio measurement method is defined for one independent external signal with a restriction of the measuring range ±90 or ±180°.
Externí odkaz:
https://doaj.org/article/cc30f11907114c6ea4a0687c9ff54351
Publikováno v:
Wireless Personal Communications. 121:2529-2544
This paper addresses three prime issues of fifth generation mobile network: frequency allocation, power efficiency and communication while computing. This paper proposes a power-efficient micro-femtolet/macro-femtolet network based on soft fractional
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::824653327cf5873514768b31b2c560a2
https://doi.org/10.1007/s11277-021-08835-z
https://doi.org/10.1007/s11277-021-08835-z
Autor:
Subha Ghosh, Debashis De
Publikováno v:
The Journal of Supercomputing. 77:13549-13583
Energy- and spectrum-efficient communication in massive multiple-input multiple-output and multiple-input single-output (MISO)-based heterogeneous network and select the leader small cell using Stackelberg game are proposed in this article. Intersect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00e96519e90c4648e4247cd6ba78d6b1
https://doi.org/10.1007/s11227-021-03809-1
https://doi.org/10.1007/s11227-021-03809-1
Autor:
Iago De Almeida Oliveira, Luiz A. Corrêa, Alvaro Augusto Machado de Medeiros, Alexandre Bessa dos Santos, Eduardo Pestana de Aguiar, Daniel D. Silveira
Publikováno v:
Analog Integrated Circuits and Signal Processing. 106:577-592
This article discusses modern techniques of implementation of a wideband digital modulator in an FPGA kit for use in electrical engineering communications laboratory. Previous configurations proposed in literature present limitations, as lack of deta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f0655f507a0810da867d4266d7c8bde
https://doi.org/10.1007/s10470-020-01673-2
https://doi.org/10.1007/s10470-020-01673-2
Publikováno v:
IEEE Systems Journal. 14:353-362
Power optimization and interference management in ultra-dense small cell based fifth-generation mobile networks are critical issues. This paper proposes a two-tier micro-femtocell based heterogeneous ultra-dense cellular network system, where femtoce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02290a13534bdd1fce89b0782dc717eb
https://doi.org/10.1109/jsyst.2019.2911977
https://doi.org/10.1109/jsyst.2019.2911977
Publikováno v:
Tongxin xuebao, Vol 33, Pp 119-124 (2012)
In order to distinguish between the intrinsic modulation errors of vector signal generator and the measurement errors of vector signal analyzer,a method based on experimental measurement and analytical calculation was proposed,then numberical simulat
Externí odkaz:
https://doaj.org/article/b702fcfd8b1249d6bf617f42242f7966
Autor:
Adriel V. Dos Santos, Victor L.G. Calvacante, Rafael S. Do Nascimento, Diego A. Amoedo, Gustavo M. Torres, Antonio M.C. Pereira, Lua S. Dupont, Frederico S. Pinage, Mateus O. Da Silva, Lucas F. Reis, Ricardo G. Paula, Agemilson P. Silva, Edma V.C. Urtiga Mattos, Claudio H.A. Rodrigues, Allan Robert da Silva, Waldir S. S. Junior, Celso B. Carvalho
Publikováno v:
ICCE-TW
The acquisition of sophisticated vector signal analyzer (VSA) may be a limiting factor for the execution of RD (ii) spectral flatness; (iii) transmitter constellation error; (iv) transmitter modulation accuracy (EVM). The results indicates that this
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ccacf1e98e9b2ce0f9d09de84f6453d
https://doi.org/10.1109/icce-tw52618.2021.9603175
https://doi.org/10.1109/icce-tw52618.2021.9603175
Autor:
Marek Češkovič, Colin J. Fidge, Gabriel Kalapos, Ján Labun, Alexey Nekrasov, Pavol Kurdel, Ján Gamec, Miroslav Laššák
Publikováno v:
IEEE Access, Vol 8, Pp 196609-196617 (2020)
This article presents a novel concept for a highly accurate and simple two-port vector signal analyzer. A current phase ratio measurement method is defined for one independent external signal with a restriction of the measuring range ±90 or ±180°.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa7ca2016ee1ac5b32d643f6f4630d41
https://ieeexplore.ieee.org/document/9241840/
https://ieeexplore.ieee.org/document/9241840/
Autor:
K. A. Stal’nova, A. V. Titarenko
Publikováno v:
Measurement Techniques. 62:77-81
It is shown that the modulus of the error vector is one of the main parameters characterizing the quality of modulation in the digital radio communication systems and makes it possible to perform the quantitative description of the errors in the form
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fad0ec5725a67f15a0929119b343ad0
https://doi.org/10.1007/s11018-019-01589-y
https://doi.org/10.1007/s11018-019-01589-y
Autor:
McKinley, Michael Dean
This work focuses on fixing measurement inaccuracies to which models and figures of merit are susceptible in two wireless communication environments: power amplifier and multipath. To emulate or rate the performance of these environments, models and
Externí odkaz:
http://hdl.handle.net/1853/24722
