Zobrazeno 1 - 10
of 2 655
pro vyhledávání: '"Radiowave propagation"'
Autor:
Galang P. N. Hakim, Mohamed Hadi Habaebi, Elfatih A. A. Elsheikh, Fakhereldin M. Suliman, Md. Rafiqul Islam, Siti Hajar Binti Yusoff, Erry Yulian T. Adesta, Rabeya Anzum
Publikováno v:
IET Wireless Sensor Systems, Vol 14, Iss 5, Pp 195-208 (2024)
Abstract The Wireless Sensor Network needs to become a dynamic and adaptive network to conserve energy stored in the wireless sensor network node battery. This dynamic and adaptive network sometimes are called SON (Self Organizing Network). Several S
Externí odkaz:
https://doaj.org/article/250350abf2bb4db38dcfd4208c501e6b
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 7, Pp 467-479 (2024)
Abstract Propagation models are essential for the prediction of received signal strength and the planning of wireless systems in a given environment. The vector parabolic equation (VPE) method has been widely applied to the modelling of radio wave pr
Externí odkaz:
https://doaj.org/article/362dea4baadd41e8aadc8eba967151a3
Publikováno v:
Electronics Letters, Vol 60, Iss 13, Pp n/a-n/a (2024)
Abstract With the rapid development of wireless communication systems, particularly in the era of 5G and the Internet of Things, deploying wireless communication networks in indoor environments has become crucial. Indoor infrastructure deployment nec
Externí odkaz:
https://doaj.org/article/85bea41c2dd24d1c9129ccfcf076f722
Autor:
Hao Qin, Xingqi Zhang
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 2, Pp 59-72 (2024)
Abstract Radio wave propagation modelling in railway environments is of fundamental importance in designing reliable train communication systems. Parabolic equation (PE) methods have been widely applied to the modelling of wave propagation in tunnels
Externí odkaz:
https://doaj.org/article/c0d849d3cc234a49967e9c5f6a4674f6
Publikováno v:
IEEE Access, Vol 12, Pp 171015-171035 (2024)
Wireless technologies suitable for Search and Rescue (SaR) operations are becoming crucial for the success of such missions. In avalanche scenarios, the snow depth and the snowpack profile significantly influence the wireless propagation of technolog
Externí odkaz:
https://doaj.org/article/eac15168335747098a8a1229ec22780b
Publikováno v:
IEEE Access, Vol 12, Pp 159913-159918 (2024)
The map-based hybrid channel model is one of the candidates for managing stochastic components above millimeter waves. This model has been used in technical reports published by several well-known standardization organizations. This paper compares si
Externí odkaz:
https://doaj.org/article/7526a808b3474588801b8ce3590826bc
Autor:
Masayuki Shirakawa, Rei Furukawa, Gilbert Ching, Kenshi Horihata, Yukiko Kishiki, Hirokazu Sawada, Azril Haniz, Takeshi Matsumura, Homare Murakami, Fumihide Kojima
Publikováno v:
IEEE Access, Vol 12, Pp 59007-59017 (2024)
To simulate radio propagation in a dynamic indoor environment such as a factory operating with moving people and automated guided vehicles (AGV), we devised a technique to determine shielding losses by moving objects based on ray tracing. For a movin
Externí odkaz:
https://doaj.org/article/3be1be409f6c4a9e9507c9a81fee2005
Autor:
Donglin Zhang, Zhansheng Duan
Publikováno v:
IET Radar, Sonar & Navigation, Vol 17, Iss 12, Pp 1768-1784 (2023)
Abstract In received signal strength (RSS) based radio source localisation, RSS measurements can be converted to the squared distance estimates between the emission source and the sensors to construct a system of pseudolinear equations, allowing for
Externí odkaz:
https://doaj.org/article/de1f53b8d92d422d8fa113ab9142927b
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 17, Iss 9, Pp 685-693 (2023)
Abstract Accurate radio wave prediction models are necessary for the innovation of mobile communication technology and the deployment of wireless sensor networks in railways. The parabolic wave equation (PWE) method is one commonly used method to pre
Externí odkaz:
https://doaj.org/article/686e1bcf9f7d4aaa8bd613ad35b1f0cb
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 17, Iss 8, Pp 634-641 (2023)
Abstract Accurate prediction of rain attenuation is critical for the design of terrestrial line‐of‐sight link systems above 5 GHz, particularly for millimetre‐wave frequency. Anomalous behaviour in the adjustment factor in existing rain attenua
Externí odkaz:
https://doaj.org/article/b2e3fabc01aa49fb964af1f844d22fde