Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Atsushi Nagate"'
Publikováno v:
IEEE Access, Vol 12, Pp 55506-55520 (2024)
High-altitude platform stations (HAPSs) that provide direct communication services to smartphones on the ground are garnering significant attention as innovative mobile communication platforms suitable for ultrawide coverage areas. The deployment of
Externí odkaz:
https://doaj.org/article/0f13f8b4107b420588b119954688cc96
Publikováno v:
IEEE Access, Vol 10, Pp 68085-68098 (2022)
High altitude platform stations are attracting much attention as novel mobile communication platforms for ultra-wide coverage areas and disaster-resilient networks. Multi-cell configurations can increase communication capacity in a wide area. Convent
Externí odkaz:
https://doaj.org/article/05f98a2bd67f460db56700ddd91b5a80
Publikováno v:
IEEE Access, Vol 10, Pp 55675-55693 (2022)
Ultra-wide coverage is one of the important concepts of the sixth generation (6G) mobile communications. High-altitude platform stations (HAPSs) have attracted considerable attention as a leading candidate for coverage extension of cellular networks.
Externí odkaz:
https://doaj.org/article/04db17ecb6a04d09a902e68621011ba1
Autor:
Yohei Shibata, Noboru Kanazawa, Mitsukuni Konishi, Kenji Hoshino, Yoshichika Ohta, Atsushi Nagate
Publikováno v:
IEEE Access, Vol 8, Pp 157995-158007 (2020)
High-altitude platform stations (HAPSs) are expected to provide ultrawide-coverage areas and disaster-resilient networks from the stratosphere at around 20 km by installing wireless equipment on HAPS. Because their altitude is much lower than that of
Externí odkaz:
https://doaj.org/article/7bbcd79c79144d4d9ced4c16d867a7b8
Autor:
Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki, Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate
Publikováno v:
Future Internet, Vol 15, Iss 1, p 34 (2023)
In this paper, we propose a novel Deep Reinforcement Learning Evolution Algorithm (DRLEA) method to control the antenna parameters of the High-Altitude Platform Station (HAPS) mobile to reduce the number of low-throughput users. Considering the rando
Externí odkaz:
https://doaj.org/article/e655c987d84b4879bc428929d38e46e8
Autor:
Yohei Shibata, Noboru Kanazawa, Mitsukuni Konishi, Kenji Hoshino, Yoshichika Ohta, Atsushi Nagate
Publikováno v:
IEEE Access, Vol 9, Pp 618-618 (2021)
In the above article [1], there was an incorrect statement on antenna pattern related to (1) in Section III-B. The sentence just after (1) should be read as “where $\Psi_{b}$ is the half-power beamwidth divided by 2, $\Psi_{1}=\Psi_{b} \sqrt{-L_{N}
Externí odkaz:
https://doaj.org/article/c9e1570dcb64432895f1188ea5eeb95e
Publikováno v:
2023 IEEE Wireless Communications and Networking Conference (WCNC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80b714b3ac661e0ed452a11a6ce5d1e3
https://doi.org/10.1109/wcnc55385.2023.10118653
https://doi.org/10.1109/wcnc55385.2023.10118653
Publikováno v:
IEICE Transactions on Communications. :449-460
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e1457c4c45f41c6f6cc22e79825080f
https://doi.org/10.1587/transcom.2021wwp0003
https://doi.org/10.1587/transcom.2021wwp0003
Publikováno v:
2022 IEEE 96th Vehicular Technology Conference (VTC2022-Fall).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90d9a87ed9d68c87f8bb2baf7d758911
https://doi.org/10.1109/vtc2022-fall57202.2022.10012950
https://doi.org/10.1109/vtc2022-fall57202.2022.10012950
Publikováno v:
2022 IEEE 95th Vehicular Technology Conference: (VTC2022-Spring).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c40b67b8610fe5741923d8b91c29c8cb
https://doi.org/10.1109/vtc2022-spring54318.2022.9860898
https://doi.org/10.1109/vtc2022-spring54318.2022.9860898