3. Basic technical concepts of the DVB-S2 and DVB-RCS2 standards

The aim of this chapter is therefore to present the access and physical layers defined by the DVB-S2 and DVB-RCS2 standards.

3.1 DVB-S2: access layer

The functions provided by the access layer include encapsulation and fragmentation, multiplexing, scheduling, quality of service and more. This chapter provides details of the encapsulation functions on the forward path. Synchronization, modulation and adaptive coding functions are covered in another chapter.

On the outbound link (i.e. from the satellite gateway to the user terminal), the gateway uses all available bandwidth to communicate with the remote terminals: a carrier is a single time-division multiplex where packets addressed to the terminals are transmitted successively in time....

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Basic technical concepts of the DVB-S2 and DVB-RCS2 standards

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Bibliography

(1) - AHMED (T.), DUBOIS (E.), BAPTISTE (J.), FERRÚS (R.), GÉLARD (P.), KUHN (N.) - Software-defined satellite cloud RAN. - Dans : « International Journal of Satellite Communications and Networking », 2 Gener, vol. 36, p 108-133. PDF disponible en ligne

Standards and norms

Digital Video Broadcasting (DVB) ; Second generation framing structure, channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering and other broadband satellite applications (DVB-S2). - ETSI EN 302 307 V1.2.1 - Août 2009
Digital Video Broadcasting (DVB) ; Second Generation DVB Satellite System (DVB-RCS2) ; Interactive Satellite System Part 2 : Lower Layers for Satellite standard...