Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Varuliantor Dear"'
Autor:
Varuliantor Dear, Faruk Afero, Rezy Pradipta, Prayitno Abadi, Mohammad Sigit Arifianto, Iskandar
Publikováno v:
IEEE Access, Vol 12, Pp 124495-124505 (2024)
The Multi-Carrier Modulation (MCM) technique in the Near Vertical Incidence Skywave (NVIS) propagation mode poses a challenge due to the ionosphere’s dynamic behavior. The selection of the main bandwidth and transmission frequency in the MCM-NVIS s
Externí odkaz:
https://doaj.org/article/145d0bd529df455cbcb51bf1229ed960
Publikováno v:
Buletin Pos dan Telekomunikasi: Media Komunikasi Ilmiah, Vol 19, Iss 1, Pp 1-14 (2021)
Observation of wireless channel using channel sounder method is needed in order to obtain the channel characteristics in the form of delay spread (Tm) and doppler spread (fD) parameters for optimizing the design of digital communication systems. This
Externí odkaz:
https://doaj.org/article/1f18dbe992e240a38473526ccac5398b
Publikováno v:
Buletin Pos dan Telekomunikasi: Media Komunikasi Ilmiah, Vol 17, Iss 1 (2019)
AbstrakMakalah ini membahas tentang hasil analisis propagasi gelombang radio pada spektrum HF (High Frequency; 3–30 MHz) menggunakan mode angkasa (skywave propagation) yang ditujukan untuk mendapatkan rekomendasi frekuensi kerja (fc) bagi kegiatan
Externí odkaz:
https://doaj.org/article/b129f31e82484a13a7376ccc4b85f1a4
Autor:
Varuliantor Dear, Iskandar Iskandar, Prayitno Abadi, Cahyo Purnomo, Asnawi Husin, Adit Kurniawan
For designing a digital High Frequency (HF) radio communication system in the skywave propagation mode, Delay spread and Doppler spread are the fundamental parameters of ionosphere channel characteristics that need to be known. Although the Internati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28c6c608b856461f34ef06e8f45bc959
https://doi.org/10.22541/essoar.167689999.90487610/v1
https://doi.org/10.22541/essoar.167689999.90487610/v1
Autor:
Jiyo Harjosuwito, Asnawi Husin, Varuliantor Dear, Johan Muhamad, Agri Faturahman, Afrizal Bahar, Erlansyah Erlansyah, Agung Syetiawan, Rezy Pradipta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::359cacacb4b5e3bd17e84e3c72ccb251
https://doi.org/10.5194/egusphere-2022-909-supplement
https://doi.org/10.5194/egusphere-2022-909-supplement
Publikováno v:
2022 11th Electrical Power, Electronics, Communications, Controls and Informatics Seminar (EECCIS).
Publikováno v:
2022 International Seminar on Intelligent Technology and Its Applications (ISITIA).
Publikováno v:
Springer Proceedings in Physics ISBN: 9789811903076
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e08f1c4242852a5780f6608a80697f37
https://doi.org/10.1007/978-981-19-0308-3_23
https://doi.org/10.1007/978-981-19-0308-3_23
Publikováno v:
Springer Proceedings in Physics ISBN: 9789811903076
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d5689bd177d65c38fcc30b9205986d7
https://doi.org/10.1007/978-981-19-0308-3_21
https://doi.org/10.1007/978-981-19-0308-3_21
Publikováno v:
2021 IEEE USNC-URSI Radio Science Meeting (Joint with AP-S Symposium).