ETSI EN 302 842-4

ETSI EN 302 842-4 applies to the following radio equipment types:

• Very High Frequency (VHF) Digital Link (VDL) Mode 4 aeronautical mobile (airborne) radio transmitters,transceivers and receivers for air-ground and air-air communications operating in the VHF band, usingGaussian Filtered Frequency Shift Keying (GFSK) modulation with 25 kHz channel spacing and capable oftuning to any of the 25 kHz channels from 112,000 MHz to 136,975 MHz as defined in ICAO VDLSARPs [2].

The present document provides part 4 of the technical specifications.

The present document is designed to ensure that equipment certified to it will be compatible with the relevant ICAOVDL SARPs [2] and ICAO VDL4 Technical Manual [1].

Manufacturers should note that in future the tuning range for the transmitter and receiver may also cover any 25 kHzchannel from 108,000 MHz to 111,975 MHz.

The present document applies to “aeronautical mobile (airborne and as applicable also ground vehicles)” equipmentwhich will hereinafter be referred to as “mobile” equipment.

The scope of the present document is limited to mobile stations. The equivalent specification for ground stations isETSI EN 301 842 [i.1].

A description of the scope of the VDL Mode 4 system is provided in part 2 of ETSI EN 302 842-2 [6], clause 1.

ETSI EN 302 842-1 [5] deals with tests of the physical layer, ETSI EN 302 842-2 [6] deals with core link layerfunctionality and ETSI EN 302 842-3 [7] with additional broadcast functionality. The present document deals with testsof the datalink layer (DLS) and the link layer sufficient to support point-to-point functionality. Note that, as described inETSI EN 302 842-2 [6], a system supporting point-to-point functionality is required to conform to ETSIEN 302 842-1 [5], ETSI EN 302 842-2 [6] and the specification in the present document.

Edition:

1.3.1

Published:

04/01/2015

Number of Pages:

185

File Size:

1 file , 1000 KB

Note:

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