Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Armando Arce"'
Autor:
Francisco R. Castillo-Soria, Carlos A. Gutierrez, Abel García-Barrientos, Armando Arce-Casas, Jorge Simón
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2020, Iss 1, Pp 1-14 (2020)
Abstract This paper presents three multiuser multiple input-multiple output (MU-MIMO) downlink transmission strategies based on the extended quadrature spatial modulation (EQSM) system for mobile communication. The three MU-MIMO precoding strategies
Externí odkaz:
https://doaj.org/article/0a2e5f4c8a7e46d2baa415128e273ff7
Autor:
Jorge Simon, Jorge Flores-Troncoso, Jose Luis Alvarez-Flores, Leonel Soriano-Equigua, Marco Cardenas-Juarez, Armando Arce, Edgar Briones, Jorge Sosa-Pedroza
Publikováno v:
International Journal of Antennas and Propagation, Vol 2020 (2020)
This article presents the design, fabrication, and measurement of a square Koch fractal slot antenna for UHF band using both the FR4-G10 and Cuclad 250 substrates. Conveniently, this 56.56 cm full-length antenna possesses a geometry that allows it to
Externí odkaz:
https://doaj.org/article/99c3022afcbc419aa2412882f8b2f7fb
Autor:
Armando Arce, Enrique Stevens-Navarro, Marco Cardenas-Juarez, Ulises Pineda-Rico, Jorge Simon, Marco A. Panduro
Publikováno v:
International Journal of Antennas and Propagation, Vol 2019 (2019)
In this work, a flexible and reconfigurable feeding network design for a nonuniform aperture on circular concentric ring arrays is proposed and analyzed. The network subsystem delivers coherent in-phase outputs with a Gaussian-like amplitude distribu
Externí odkaz:
https://doaj.org/article/d5a8595ccc604335900eed1a80d28209
Autor:
Armando Arce, Enrique Stevens-Navarro, Ulises Pineda-Rico, Marco Cardenas-Juarez, Francisco R. Castillo-Soria, David H. Covarrubias
Publikováno v:
Applied Sciences, Vol 11, Iss 3, p 1111 (2021)
A dual-beam coherent feeding system design approach with a non-uniform layout on a concentric ring array is described and synthesized. In this case, the feeding system is based on a reconfigurable topology composed of a set of alternated power divide
Externí odkaz:
https://doaj.org/article/c3f1f73decc240a8a6c7914d61849eda
Autor:
Lizeth Lopez-Lopez, Marco Cardenas-Juarez, Enrique Stevens-Navarro, Ulises Pineda-Rico, Armando Arce, Aldo G. Orozco-Lugo
Publikováno v:
Sensors, Vol 19, Iss 11, p 2425 (2019)
This paper presents an approach to exploit the superimposed training (ST)-based primary users’ (PUs) transmissions in the context of spectrum sensing for cognitive radio. In the low signal-to-noise ratio (SNR), the proposed scheme splits the spectr
Externí odkaz:
https://doaj.org/article/a7451606e7fe415581ca4215d9d9db56
Autor:
Armando Arce, Marco Cardenas-Juarez, Ulises Pineda-Rico, David H. Covarrubias, Enrique Stevens-Navarro
Publikováno v:
International Journal of Antennas and Propagation, Vol 2015 (2015)
This paper proposes an alternative and innovative way to design a simpler beamforming network (BFN) based on balancing alternated power combiners and dividers, to feed a nonuniformly spaced linear array with Gaussian amplitude and coherent (in-phase)
Externí odkaz:
https://doaj.org/article/4e0d90be179142b1900a0d99e324d33d
Publikováno v:
International Journal of Antennas and Propagation, Vol 2012 (2012)
This research paper deals with a innovative way to simplify the design of beam-forming networks (BFNs) for multibeam steerable antenna arrays based on coherently radiating periodic structures (CORPS) technology using the noniterative matrix pencil me
Externí odkaz:
https://doaj.org/article/7e0065071831446db0875f3f16c7086f
Publikováno v:
Revista Espanola de Enfermedades Digestivas, Vol 104, Iss 8, Pp 434-435 (2012)
Externí odkaz:
https://doaj.org/article/c6c3f83290034417b04e4df838c1175d
Autor:
Ulises Pineda-Rico, Armando Arce, David H. Covarrubias, Enrique Stevens-Navarro, Marco Cardenas-Juarez
Publikováno v:
Radioengineering. 2019 vol. 28, č. 1, s. 74-83. ISSN 1210-2512
Radioengineering, Vol 28, Iss 1, Pp 74-83 (2019)
Radioengineering, Vol 28, Iss 1, Pp 74-83 (2019)
This work proposes and describes a modular and innovative beamforming network (BFN) to feed a nonequally spaced circular antenna array. The structure is based on a set of alternated power combiners and dividers that delivers a Gaussian-like amplitude
Autor:
Marco Cardenas-Juarez, David H. Covarrubias, Francisco R. Castillo-Soria, Ulises Pineda-Rico, Enrique Stevens-Navarro, Armando Arce
Publikováno v:
Applied Sciences, Vol 11, Iss 1111, p 1111 (2021)
Applied Sciences
Volume 11
Issue 3
Applied Sciences
Volume 11
Issue 3
A dual-beam coherent feeding system design approach with a non-uniform layout on a concentric ring array is described and synthesized. In this case, the feeding system is based on a reconfigurable topology composed of a set of alternated power divide