Zobrazeno 1 - 10
of 848
pro vyhledávání: '"antenna height"'
Publikováno v:
ICT Express, Vol 9, Iss 3, Pp 517-524 (2023)
In the forthcoming 6G wireless networks, the explosive growth in the number of human-type devices and machine-type devices will result in the network densification including both end-device (ED) densification and base station (BS) densification. Owin
Externí odkaz:
https://doaj.org/article/9f976c740fd94fdbb0c24db5bb4687a0
Autor:
Olusayo Adeleke
Publikováno v:
African Journal on Land Policy and Geospatial Sciences, Vol 5, Iss 4, Pp 696-706 (2022)
Global Position System (GPS) receivers are capable of surveying measurement with geodetic positioning accuracy. They are designed to be mounted on a tripod usually with a tribrach and set up for observations with assigned mask angle and height of ant
Externí odkaz:
https://doaj.org/article/2e119781a6ef4b53b0a30ce5fed920c7
Publikováno v:
TransNav: International Journal on Marine Navigation and Safety of Sea Transportation, Vol 14, Iss 2, Pp 331-336 (2020)
From the aspect of navigational safety and collision avoidance it is very important to be able to detect small maritime targets such as buoys and small boats. Ship's radar is supposed to detect these types of targets, however the ability of radar to
Externí odkaz:
https://doaj.org/article/6feba9e507eb4f06bc6e61022bd517d4
Autor:
Zaid Ahmed Shamsan
Publikováno v:
IEEE Access, Vol 8, Pp 212961-212978 (2020)
Rain attenuation is the main practical problem that confronts wireless signals specifically when it uses millimeter-waves for fifth-generation (5G) communication systems. In addition, due to that the urban environments are characterized by many high
Externí odkaz:
https://doaj.org/article/bf013df2a76a4819848de631effc3605
Akademický článek
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Autor:
Zaid Ahmed Shamsan
Publikováno v:
IEEE Access, Vol 7, Pp 162828-162840 (2019)
The arid climate regions, such as in Riyadh city (Saudi Arabia), are characterized by strong dust storms which can deteriorate the performance of wireless systems. In addition, due to that the accelerated growth in many high buildings in a modern cit
Externí odkaz:
https://doaj.org/article/3054cd5cbfcf47d695901e8ac7726828
Publikováno v:
Sensors, Vol 22, Iss 14, p 5228 (2022)
The paper aims to propose a sequence of steps that will allow multi-person tracking with a single UWB radar equipped with the minimal antenna array needed for trilateration. Its localization accuracy is admittedly limited, but on the other hand, thou
Externí odkaz:
https://doaj.org/article/44432b60227c46eaa4d2bff6d7a13f2f
Autor:
Chao Zhang, Guanghe Zhao
Publikováno v:
IEEE Access, Vol 6, Pp 7489-7502 (2018)
Wireless power transfer (WPT) has drawn significant attention in the last decade and more and more literatures are arising on related research topics such as microwave power transfer and wireless powered communications network. The extremely low effi
Externí odkaz:
https://doaj.org/article/3dcaf223f3fc49b5b4992c8865196156
Akademický článek
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Akademický článek
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