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Towards improved satellite telecommand link availability
Author(s) -
Noels Nele,
Aguilar Sánchez Ignacio
Publication year - 2018
Publication title -
international journal of satellite communications and networking
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.388
H-Index - 39
eISSN - 1542-0981
pISSN - 1542-0973
DOI - 10.1002/sat.1282
Subject(s) - computer science , data link , data system , coding (social sciences) , constellation , computer network , synchronization (alternating current) , jamming , channel (broadcasting) , distributed computing , real time computing , database , statistics , physics , mathematics , astronomy , thermodynamics
Summary Compliant with the Consultative Committee for Space Data Systems (CCSDS) set of protocols, we explore enhancing the availability service for space links. In particular, we consider specific improved defences against jamming attacks affecting symbol synchronization. More robust adaptive closed‐loop symbol synchronizers are designated with a view to the planned update of the CCSDS standard for the telecommand synchronization and channel coding sublayer of the data link layer. It is shown that adaptive schemes exploiting instantaneous jammer state information are recommended to counter destructive attacks that may harm the availability.