Climate change mitigation and adaptation through optical-wireless communication networks: applications, challenges, and opportunities
There are a number of effects that are associated with climate change, some of which
include an increase in the frequency of severe weather events, an increase in temperatures …
include an increase in the frequency of severe weather events, an increase in temperatures …
PPM 调制光纤耦合多孔径接收系统性能研究
李康宁， 冯旭， 高建文， 马晶 - 天地一体化信息网络, 2021 - infocomm-journal.com
摘要研究空间激光通信脉冲位置调制(PPM) 光纤耦合多孔径接收系统的通信性能, 在Gamma-
Gamma 光强分布大气模型和非中心卡方分布光纤耦合效率分布模型基础上, 给出PPM …
Gamma 光强分布大气模型和非中心卡方分布光纤耦合效率分布模型基础上, 给出PPM …
HAP-aided two-way relaying for FSO access networks using optical CDMA
A free-space optical access network with multiple ground stations (GSs) connected by a high-
altitude platform (HAP) is proposed. The HAP plays a role of a two-way relay node that …
altitude platform (HAP) is proposed. The HAP plays a role of a two-way relay node that …
Applying PDMA for Ground-HAPS Uplink Network with Hybrid FSO/RF Communication
W Tachikawa, A Suetsuna, M Wang… - 2023 IEEE Wireless …, 2023 - ieeexplore.ieee.org
Non-terrestrial network (NTN), especially HighAltitude Platform Station (HAPS), is a popular
choice because of low latency, deployment flexibility, and disaster resilience. In order to …
choice because of low latency, deployment flexibility, and disaster resilience. In order to …
Required SNR improvement for downlink optical communication via channel coding and aperture diversity by utilising PPM
S Şahin - IET Communications, 2018 - Wiley Online Library
In this study, it is aimed to investigate the required signal‐to‐noise ratio (SNR) that provides
a sufficient bit error rate (BER) according to the zenith angle between the ground station and …
a sufficient bit error rate (BER) according to the zenith angle between the ground station and …
[PDF][PDF] 非地上系ネットワークにおけるNOMA・PDMA の適用に関する研究
立川航 - 2023 - waseda.repo.nii.ac.jp
1.1 研究背景近年非地上系ネットワーク (NTN, Non-Terrestrial Network) に関する研究が盛んに
おこなわれている [1][2][3]. 非地上系ネットワークとは, 図 1.1 に示したような, 静止軌道衛星 (GEO …
おこなわれている [1][2][3]. 非地上系ネットワークとは, 図 1.1 に示したような, 静止軌道衛星 (GEO …