Zobrazeno 1 - 10
of 35
pro vyhledávání: '"GSM signal"'
Publikováno v:
Engineering Proceedings, Vol 60, Iss 1, p 24 (2024)
This article describes the design of a local GSM signal amplifying system and presents the results of appliance performance measurements, simulations and analyses. The system consists of a receiving antenna of the Yagi type, a 50 Ω cable, a 0.5–1.
Externí odkaz:
https://doaj.org/article/6110f9d886b140caa97a492dfdfb3209
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In this study will simulate steady state of Digital Down Convertor (DDC) for GSM signal with a narrow frequency range. The MATLAB model that is described in this article simulates the work of the TIGC4016 Quad Digital Down Converter. This converter i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4bcd404efe0c46fb93f2d2cd9fdff25
Design of a Tri-band Double Wire Square Loop Frequency Selective Surface for Mobile Signal Shielding
Autor:
Alhaddad, Mohammed T., Skaik, Talal F.
This paper presents the design of a novel frequency selective surface (FSS) structure. The proposed FSS structure here is constructed of square loops of copper wires interconnected together using iron wires and thus forming a wire net. It is designed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______4294::713b0b8d41395dc9aa4132cfa95cd853
Publikováno v:
Sensors & Transducers, Vol 171, Iss 5, Pp 283-288 (2014)
Location-based Services are often required to cover indoor and outdoor environment, while indoor/outdoor detection for seamless positioning remains a longstanding challenge for Location-based Services. This paper presents an indoor/outdoor detection
Autor:
Rekha N, Fathima Jabeen
Publikováno v:
International Journal of Electrical and Computer Engineering (IJECE). 9:4010
There are multiple reasons for the evolution as well as the presence of noise over transmitted GSM signal. In spite of various approaches towards noise cancellation techniques, there are less applicable techniques for controlling noise in acoustic GS
Akademický článek
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Autor:
Rekha N, Fathima Jabeen
Publikováno v:
International Journal of Electrical and Computer Engineering (IJECE). 8:1222
Presence of noise significantly degrades the contents being transmitted over GSM channel. With the evolution of next generation of communication system, the challenges in noise cancellation in voice along with data transmission are not being addresse
Autor:
Promise Elechi, PO Otasowie
Publikováno v:
Nigerian Journal of Technology; Vol 34, No 3 (2015); 609-615
The qualities of indoor signal reception are governed by the mechanism of reflection, refraction, diffraction and scattering of signal propagation through buildings which are dependent on the material of the building structure. These indoor outages c