Zobrazeno 1 - 10
of 149
pro vyhledávání: '"Ahmad Fadzil Ismail"'
Autor:
Yasser Asrul Ahmad, Ahmad Fadzil Ismail, Muhammad Nasrin Aqil Abdul Hamid, Mohd Faizal Jamlos
Publikováno v:
International Islamic University Malaysia Engineering Journal, Vol 25, Iss 2 (2024)
The advent of new telecommunication systems with large bandwidths like 5G/6G and satellites operating at higher frequency bands such as Ku, Ka-band, and even Q/V bands, has brought to the forefront the issue of rain attenuation, particularly in equat
Externí odkaz:
https://doaj.org/article/ba9f4efc2a5d4db785daa7344bfa5e77
Autor:
Zhang Wenhua, Mohammad Kamrul Hasan, Ahmad Fadzil Ismail, Zhang Yanke, Md Abdur Razzaque, Shayla Islam, Budati Anil kumar
Publikováno v:
IET Networks, Vol 12, Iss 6, Pp 269-281 (2023)
Abstract Network security protocols are implemented to address network security challenges. Computer networks and applications have advanced and developed significantly in recent years, but consumers ‘excitement for network technology and high‐te
Externí odkaz:
https://doaj.org/article/43ef98fd9b004b5887fb966c5498f017
Autor:
Sarah Yasmin Mohamad, Ahmad Alhadi Ruslan, Khairayu Badron, Ahmad Fadzil Ismail, Norun Farihah Abdul Malek, Farah Nadia Mohd Isa
Publikováno v:
International Islamic University Malaysia Engineering Journal, Vol 21, Iss 1, Pp 61-72 (2020)
In this paper, a microstrip patch array antenna is designed and simulated to operate in the X-band frequency region at 9.5 GHz. For X-band communication transmission, it is necessary to suppress the side lobe radiation pattern of the antenna as much
Externí odkaz:
https://doaj.org/article/97b531c89fa74ae79f632b20171aed8b
Autor:
Mohammad Kamrul Hasan, Siti Hajar Yousoff, Musse Mohamud Ahmed, Aisha Hassan Abdalla Hashim, Ahmad Fadzil Ismail, Shayla Islam
Publikováno v:
Elektronika ir Elektrotechnika, Vol 25, Iss 2, Pp 67-71 (2019)
Synchrophasor advancement has the conversant to the smart grid applications, which is turned into necessary integral parts of digital communication frameworks that include transmission of electrical signals measured crosswise over various parts, whic
Externí odkaz:
https://doaj.org/article/9e3febb31abf4112adb2303373eca279
Autor:
Nurzati Iwani Othman, Ahmad Fadzil Ismail, Khairayu Badron, Wahidah Hashim, Mohammad Kamrul Hasan, Sofia Pinardi
Publikováno v:
Journal of Engineering and Technological Sciences. 55:40-51
Reports have shown that the demand for data managed by wireless systems is expected to grow by more than 500 exabytes by 2025 and beyond. 5G networks are predicted to meet these demands, provided that the spectrum resources are well managed. In this
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe5a0e20d950547b84702a02f4ba444a
https://doi.org/10.5614/j.eng.technol.sci.2023.55.1.5
https://doi.org/10.5614/j.eng.technol.sci.2023.55.1.5
Publikováno v:
International journal of Computer Networks & Communications. 14:20-35
Several interference mitigation strategies can be used in LTE networks to meet the consumers' increasing need for faster data speeds. Dynamic Spectrum Allocation (DSA), which maintains spectrum in a converged radio system and distributes it across al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1a6becc74798bd890420d87fdc86478
https://doi.org/10.5121/ijcnc.2022.14602
https://doi.org/10.5121/ijcnc.2022.14602
The advancement of satellite communication has arisen tremendously where higher capacity communications systems are needed. Most satellite engineers are shifting to Ka, Q, and V-band upcoming since the low frequencies such as below 10 GHz are already
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2659::f419f08ecb560c2c871bb4d9028beda4
https://zenodo.org/record/8041864
https://zenodo.org/record/8041864
Publikováno v:
International Journal of Electrical and Computer Engineering (IJECE). 13:4136
Satellite technology is shifting to higher frequencies such as Q or V-band to cater to greater bandwidth and higher data rates applications such as videoconferencing, internet of things (IoT) and telemedicine. The main challenge in deploying high-fre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4630d5e879edbfe8c4a726a00896fd4d
https://doi.org/10.11591/ijece.v13i4.pp4136-4144
https://doi.org/10.11591/ijece.v13i4.pp4136-4144
Ku-band have a larger attenuation during heavy rain in the equatorial region. Despite that, Ku-band has been identified as a frequency band in high-throughput satellite systems (HTS) for broadband satellite communication. The available rain fade pred
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::165bd8061664c453ce183b2e19e15b30
https://zenodo.org/record/6910666
https://zenodo.org/record/6910666
Free space path loss (FSPL) is the loss of electromagnetic signal strength. This loss is caused by the line-of-sight path through free space. Even in a line of sight (LoS) indoor single layer, as the distance increases, the path loss in the 1 GHz fre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59366160d1d0ad3aabc9caa6646ded52
https://zenodo.org/record/6565722
https://zenodo.org/record/6565722