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ETSI EN 301 841-1
M00003571
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ETSI EN 301 841-1 Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground Digital Link (VDL) Mode 2; Technical characteristics and methods of measurement for ground-based equipment; Part 1: Physical layer
standard by European Telecommunications Standards Institute, 04/01/2015
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ETSI EN 301 841-1 applies to VDL Mode 2 ground-air digital communications using Differential Eight Phase ShiftKeying (D8PSK), intended for channel increments of 25 kHz. The VDL Mode 2 system provides data communicationexchanges between aircraft and ground-based systems. The scope of the present document is limited to ground-basedstations.The present document provides functional specifications for ground-based radio equipment intended to be used forground-air data communications. The present document is derived from the following documents: Annex 10 of the ICAO Convention on International Civil Aviation [1]. ED 92B [i.2]: "MOPS for an Airborne VDL Mode-2 Transceiver Operating in the frequency range118-136.975 MHz" (2012), which specifies the airborne transceiver.The present document consists of two parts: the first part provides functional specifications and test procedures for physical layer and MAC sub-layer; the second part provides functional specifications and test procedures for link and sub-network access layers.