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ÖNORM EN 301199 V 1.2.1:1999-09

Действует
Digital Video Broadcasting (DVB) - Interaction channel for Local Multi-point Distribution Systems (LMDS)
The present document is the baseline specification for the provision of the interaction channel for LMDS networks. This
version supersedes the previous version 1.1.1 of this standard.
It is not intended to specify a return channel solution associated to each broadcast system because the inter-operability of
different delivery media to transport the return channel is desirable.
The solutions provided in the present document for interaction channel for LMDS networks are a part of a wider set of
alternatives to implement interactive services for Digital Video Broadcasting (DVB) systems.
The present document is not limited to a given frequency range. All the frequencies refer to IF frequencies as defined in
subclause 5.1.2.
ICS
33.170 Television and radio broadcasting / Теле- и радиовещание