Reference : Ground‐to‐GEO optical feeder links for very high throughput satellite networks: Accen...
Scientific journals : Article
Engineering, computing & technology : Electrical & electronics engineering
Security, Reliability and Trust
http://hdl.handle.net/10993/45547
Ground‐to‐GEO optical feeder links for very high throughput satellite networks: Accent on diversity techniques
English
Mengali, Alberto []
Kourogiorgas, Charilaos []
Lyras, Nikolaos []
Mysore Rama Rao, Bhavani Shankar mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom >]
Kayhan, Farbod []
Panagopoulos, Athanasios []
Bäumer, Thomas []
Liolis, Konstantinos []
15-Sep-2020
International Journal of Satellite Communications and Networking
John Wiley & Sons
Yes
International
1542-0973
1542-0981
Hoboken
NJ
[en] analog and digital transparent payloads ; microdiversity and macrodiversity ; optical SNR ; optical feeder links ; optical received time series ; GEO networks ; channel models
[en] This paper studies the use of optical feeder links in very high throughput satellites (VHTS) networks with emphasis on gateway diversity techniques to mitigate the inherent propagation losses in optical frequencies. Focusing on a GEO scenario, the paper considers a system‐wide approach investigating various challenges of optical feeder links. These include transmission schemes amenable for transparent on‐board processing, optical channel models taking into account blockage by clouds and fading caused by atmospheric turbulence in addition to complexity of on‐board and on‐ground processing. The channel models are then used to dimension the ground segment towards ensuring a given availability percentage (e.g., 99.9%). The channel model and payload complexity further influence the choice of link layer techniques used for counteracting fading due to atmospheric turbulence in the absence of blockage. An elaborate end‐to‐end simulator incorporating the proposed channel models capturing the nuances of various processing blocks like optical‐electrical conversion is developed. The system performance results provide interesting insights and a framework for assessing the feasibility and advantages of optical feeder links in VHTS systems.
Interdisciplinary Centre for Security, Reliability and Trust (SnT) > SIGCOM
FNR, Ministry of Economy
R-AGR-0570 > ONSET > 09/04/2015 - 30/04/2017 > MYSORE RAMA RAO Bhavani S
Researchers ; Professionals ; Students
http://hdl.handle.net/10993/45547
10.1002/sat.1372
FnR ; FNR10064089 > Alberto Mengali > RECONTRE > Reliable Communication Techniques For Future Generation Satellite Systems > 01/03/2015 > 31/12/2017 > 2015

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