المؤلفون: Koyo Tategami, Daisuke Goto, Kiyohiko Itokawa, Fumihiro Yamashita

المصدر: IEEE Access, Vol 13, Pp 7208-7222 (2025)

مصطلحات موضوعية: Low earth orbit satellite, MIMO, feeder link, beamforming, subarray, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

وصف الملف: electronic resource

Relation: https://ieeexplore.ieee.org/document/10833614/; https://doaj.org/toc/2169-3536

URL الوصول: https://doaj.org/article/a7b075af70cf4a56afa48d1667cd161e

المؤلفون: Daisuke Goto, Kiyohiko Itokawa, Koyo Tategami, Fumihiro Yamashita

المصدر: IEEE Access, Vol 12, Pp 50280-50286 (2024)

مصطلحات موضوعية: MIMO, LEO, number of antenna elements, GW antenna distance, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

وصف الملف: electronic resource

Relation: https://ieeexplore.ieee.org/document/10480406/; https://doaj.org/toc/2169-3536

URL الوصول: https://doaj.org/article/5c3712689e60484cb79452c3d7bd0954

المؤلفون: Kansuke Kumazawa, Hiraku Okada, Munehiro Matsui, Koyo Tategami, Daisuke Goto, Kiyohiko Itokawa, Fumihiro Yamashita, Masaaki Katayama

المصدر: IEEE Access, Vol 11, Pp 135377-135384 (2023)

مصطلحات موضوعية: Satellite IoT system, CRDSA, IRSA, media access control, 920 MHz LPWA, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

وصف الملف: electronic resource

Relation: https://ieeexplore.ieee.org/document/10335183/; https://doaj.org/toc/2169-3536

URL الوصول: https://doaj.org/article/fb46805e478047999d8bf42ea0411c09

المؤلفون: Koki Hamajima, Kei Yasukawa, Masazumi Ueba, Hisayoshi Kanou, Munehiro Matsui, Junichi Abe, Kiyohiko Itokawa, Fumihiro Yamashita

المصدر: Aerospace, Vol 10, Iss 4, p 323 (2023)

مصطلحات موضوعية: HAPS, fixed-wing UAV, antenna pointing control system, wireless relay system, two-axis gimbal, Motor vehicles. Aeronautics. Astronautics, TL1-4050

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2226-4310/10/4/323; https://doaj.org/toc/2226-4310

URL الوصول: https://doaj.org/article/3280274d03cb42258b88ab917ad57b96

المؤلفون: Akio Sato, Daisuke Mori, Hideaki Matsue, Hironobu Watanabe, Kiyohiko Itokawa, Naoki Kita, 佐藤 明雄, 北 直樹, 松江 英明, 森 大典, 渡邉 浩伸, 糸川 喜代彦

المصدر: 電気学会論文誌Ｃ（電子・情報・システム部門誌） / IEEJ Transactions on Electronics, Information and Systems. 2004, 124(1):41

المؤلفون: Daisuke Goto, Kiyohiko Itokawa, Fumihiro Yamashita, Chihaya Kato, Mitsuhiro Nakadai

المصدر: 2022 IEEE Wireless Communications and Networking Conference (WCNC).

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::f9eb1ac2519c80dcb63982f6090ecbf9
https://doi.org/10.1109/wcnc51071.2022.9771606

المؤلفون: Fumihiro Yamashita¹, Kiyohiko Itokawa², Yosuke Fujino³, Kenji Suzuki⁴

المصدر: NTT Technical Review. Dec2022, Vol. 20 Issue 12, p36-40. 5p.

مصطلحات موضوعية: *SATELLITE-based remote sensing, *INTERNET of things, *MIMO systems, *DIGITAL technology, *LOW earth orbit satellites

المؤلفون: Mitsuru Nishino, Toru Nishikawa, Yasunari Takahata, Akira Matsushita, Yoshihiko Shindo, Kiyohiko Itokawa

المصدر: GLOBECOM

مصطلحات موضوعية: Voice over IP, Multicast, business.industry, Broadband networks, Computer science, Quality of service, Triple play (telecommunications), ComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKS, Throughput, Broadband, Telecommunications link, Media access control, Wireless, business, Fixed wireless, Computer network

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::8c7a6db7c29ad224ec2f9bf2ae1522a8
https://doi.org/10.1109/glocom.2009.5425917