COMMISSION IMPLEMENTING DECISION (EU) 2017/224
of 8 February 2017
setting out the technical and operational specifications allowing the commercial service offered by the system established under the Galileo programme to fulfil the function referred to in Article 2(4)(c) of Regulation (EU) No 1285/2013 of the European Parliament and of the Council
Article 1
Article 2
ANNEX
Technical and operational specifications allowing the commercial service offered by the system established under the Galileo programme to fulfil the function referred to in Article 2(4)(c) of Regulation (EU) No 1285/2013
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CS high precision |
CS authentication |
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Specifications common to the OS and the CS: authentication of geolocation information |
Specifications specific to the CS: authentication using encrypted codes |
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General specifications |
Supply of high precision data in order to obtain a positioning error of less than one decimetre in nominal conditions of use |
Supply of authentication data for geolocation information from the OS, contained in the signals |
Authentication of the signals through access to encrypted codes contained in the signals |
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Components of the signals used |
E6, E6-B component for the supply of high precision data |
E1, E1-B component for authentication data from the geolocation information |
E6, E6-B component for the access data for encrypted codes and E6-C component (pilot) |
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Specifications of the user segment |
High precision positioning obtained using precise positioning algorithms integrated into the receiver and using the data transmitted in the signals |
Verification of the authenticity of the data using an asymmetrical cryptography protocol transmitted in the signals and a public cryptographic key |
Verification of the authenticity of the signals by decrypting the codes of the encrypted signals using a private cryptographic key |
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Geographical coverage |
Global |
Global |
Global |
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System architecture |
High-precision data provided by one or more service providers, transmitted to users via the GNSS Service Centre (GSC), the ground segment and the satellites connected to the ground segment |
Authentication data inserted into the available capacity of the EDBS field of the E1-B signal component, and disseminated by the satellites connected to the ground segment |
Encryption of the E6 signal codes by the Galileo satellites, transmission of the private keys generated by the ground segment to one or more service providers via the GNSS Service Centre (GSC), and transmission of the OTAR information in the E6-B signal component |
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Provision of the service |
High precision data provided by one or more service providers |
Authentication data provided by the system established under the Galileo programme |
Encrypted signals supplied by the system operating manager |
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Access to the service |
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Deployment of the service |
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Use of EU classified information |
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Further specifications |
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n/a |