ETSI EN 301 842-2 V1.1.1 (2002-08)

SLOVENSKI STANDARD
SIST EN 301 842-2 V1.1.1:2003
01-april-2003
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Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground Data
Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of
measurement for ground-based equipment; Part 2: Data link layer
Ta slovenski standard je istoveten z: EN 301 842-2 Version 1.1.1
ICS:
33.060.99 Druga oprema za radijske Other equipment for
komunikacije radiocommunications
33.100.01 Elektromagnetna združljivost Electromagnetic compatibility
na splošno in general
35.100.20 Podatkovni povezovalni sloj Data link layer
SIST EN 301 842-2 V1.1.1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 301 842-2 V1.1.1:2003

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SIST EN 301 842-2 V1.1.1:2003

ETSI EN 301 842-2 V1.1.1 (2002-08)
European Standard (Telecommunications series)

Electromagnetic compatibility
and Radio spectrum Matters (ERM);
VHF air-ground Data Link (VDL)
Mode 4 radio equipment;
Technical characteristics and
methods of measurement
for ground-based equipment;
Part 2: Data link layer

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SIST EN 301 842-2 V1.1.1:2003
 2 ETSI EN 301 842-2 V1.1.1 (2002-08)



Reference
DEN/ERM-RP05-016-2
Keywords
aeronautical, radio, testing, VHF, digital
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SIST EN 301 842-2 V1.1.1:2003
 3 ETSI EN 301 842-2 V1.1.1 (2002-08)
Contents
Intellectual Property Rights.7
Foreword.7
Introduction .8
1 Scope.9
2 References.10
3 Definitions and abbreviations.11
3.1 Definitions.11
3.1.1 Basic reference model definitions.11
3.1.2 Service conventions definitions .11
3.1.3 General definitions.11
3.2 Abbreviations.14
4 General description of VDL Mode 4 ground station link layer.15
4.1 General.15
4.2 Ground quarantine.15
4.3 System timing.15
4.4 Net entry.16
4.5 Autotune capability.16
4.6 Autonomous and fixed access .16
5 Minimum performance specification under standard test conditions.16
5.1 MAC sublayer.16
5.1.1 Services.16
5.1.2 MAC sublayer services.17
5.1.3 MAC sublayer parameters .17
5.1.3.1 Void.17
5.1.3.2 Parameter M1 (number of slots per superframe).17
5.1.4 Time synchronization.17
5.1.4.1 Primary.17
5.1.4.2 Secondary.18
5.1.4.3 Alignment to UTC second .18
5.1.4.4 Data quality level.18
5.1.5 Slot idle/busy notification.18
5.1.5.1 Slot idle detection.18
5.1.5.2 Slot busy detection .18
5.1.5.3 Slot occupied detection .19
5.1.6 Transmission processing.19
5.1.7 Received transmission processing .19
5.2 VSS sublayer.19
5.2.1 Services.19
5.2.1.1 Error detection.19
5.2.1.2 Channel congestion.19
5.2.2 Burst format.20
5.2.2.1 VSS burst structure.20
5.2.2.2 Version number.20
5.2.2.3 Source address.21
5.2.2.4 Station address encoding.21
5.2.2.5 Message ID.21
5.2.2.6 Information field.22
5.2.2.7 Reservation fields.23
5.2.2.8 TCP change flag.23
5.2.3 VSS sublayer parameters .23
5.2.3.1 Void.24
5.2.3.2 Parameter VS1 (number of ground quarantined slots) .24
5.2.3.3 Parameter VS2 (minimum CCI performance).25
ETSI

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SIST EN 301 842-2 V1.1.1:2003
 4 ETSI EN 301 842-2 V1.1.1 (2002-08)
5.2.3.4 Parameter VS4 (quarantine slot re-use range).25
5.2.4 VSS quality of service parameters.25
5.2.4.1 Void.25
5.2.4.2 Parameter Q1 (priority) .25
5.2.4.3 Parameters Q2a to Q2d (slot selection range constraint for level n) .26
5.2.4.4 Parameter Q3 (replace queued data) .26
5.2.4.5 Parameter Q4 (number of available slots).27
5.2.5 Received transmission processing .27
5.2.6 Reserved access protocol specification.28
5.2.6.1 Reservation table.28
5.2.6.2 Selecting slots for transmission or reservation.28
5.2.6.3 Reserved transmissions.30
5.2.6.4 Reservation conflicts.31
5.2.7 Random access protocol specification .32
5.2.7.1 Void.32
5.2.7.2 Random access parameters.32
5.2.7.3 Random access procedures.33
5.2.8 Fixed access protocol specification .34
5.2.8.1 Void.34
5.2.8.2 Recommendation.34
5.2.9 Null reservation protocol specification.34
5.2.9.1 Null reservation burst format .34
5.2.10 Periodic broadcast protocol specification .35
5.2.10.1 Periodic broadcast reservation burst format.35
5.2.10.2 Periodic broadcast timers.35
5.2.10.3 Periodic broadcast parameters.36
5.2.10.4 Periodic broadcast reception procedures.36
5.2.10.5 Periodic broadcast transmission procedures.38
5.2.11 Incremental broadcast protocol specification .40
5.2.11.1 Incremental broadcast reservation burst format .40
5.2.11.2 Incremental broadcast parameters.41
5.2.11.3 Incremental broadcast reception procedures .42
5.2.11.4 Incremental broadcast transmission procedures.42
5.2.12 Combined periodic broadcast and incremental broadcast protocol specification .42
5.2.12.1 Combined periodic broadcast and incremental broadcast reservation burst.42
5.2.13 Big negative dither (BND) broadcast protocol specifications .43
5.2.13.1 BND reservation burst format.43
5.2.13.2 BND broadcast parameters.44
5.2.13.3 BND broadcast reception procedures.44
5.2.14 Unicast request protocol specification .44
5.2.14.1 Unicast request reservation burst format.44
5.2.14.2 Unicast request reception procedures.45
5.2.15 Information transfer request protocol specification .45
5.2.15.1 Information transfer request reservation burst format.45
5.2.15.2 Information transfer request reception procedures.47
5.2.16 Directed request protocol specification.47
5.2.16.1 Directed request reservation burst format .47
5.2.16.2 Directed request parameters.51
5.2.16.3 Directed request reception procedures .51
5.2.16.4 Directed request transmission procedures.52
5.2.17 Block reservation protocols specification.53
5.2.17.1 Superframe block reservation burst format .53
5.2.17.2 Second frame block reservation burst format.54
5.2.17.3 Superframe block reservation parameters .55
5.2.17.4 Superframe block reservation reception procedures .56
5.2.17.5 Second frame block reservation parameters.58
5.2.17.6 Second frame block reservation reception procedures.58
5.2.17.7 Superframe block reservation transmission procedures .59
5.2.17.8 Second frame block reservation transmission procedures.60
5.2.18 Response protocol specification .60
5.2.18.1 Response burst format.60
5.2.19 General request protocol specification.61
ETSI

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SIST EN 301 842-2 V1.1.1:2003
 5 ETSI EN 301 842-2 V1.1.1 (2002-08)
5.2.19.1 General request burst format.61
5.2.19.2 General request procedures .62
5.2.20 General response protocol specification .62
5.2.20.1 General response burst format.62
5.2.20.2 General response procedures.64
5.3 Link Management Entity sublayer .64
5.3.1 Services.64
5.3.2 Synchronization burst format.64
5.3.2.1 Void.64
5.3.2.2 Fixed and variable data fields.64
5.3.2.3 Fixed data field format .65
5.3.2.4 Variable data field format .68
5.3.2.5 Synchronization burst request .68
5.3.2.6 XID burst.69
5.3.3 Exchange identity (XID) parameter formats.69
5.3.4 LME procedures.74
5.3.4.1 Synchronization burst procedures .74
5.3.4.2 Network entry protocol specifications .76
5.4 Additional requirements for ground stations .77
5.4.1 System timing requirements .77
5.4.1.1 Maintenance of Primary time.77
5.4.2 Ground station interface requirements.77
5.4.2.1 Ground station coordination.77
5.4.2.2 Fixed transmission parameters .78
5.4.2.3 Protection of fixed access protocol transmissions by ground quarantine.78
5.4.2.4 Protection of fixed access protocol transmissions by use of appropriate reservation protocols.78
5.4.2.5 Restriction of autotune reservations.79
5.4.2.6 Transmission time for autotune reservations.79
5.4.2.7 Reporting of channel usage.79
6 General design requirements.80
6.1 Controls and indicators.80
6.2 Operation of controls.80
6.3 Warm up.80
6.4 Effects of tests .80
6.5 Software management.80
6.6 Recovery from failure .80
6.6.1 Failure of the VDL equipment.80
6.7 Monitoring of proper operation .80
7 Protocol test procedures.81
7.1 General.81
7.1.1 Input voltage.81
7.1.2 Power input frequency.81
7.1.3 Adjustment of equipment.81
7.1.4 Equipment configuration.81
7.1.5 Test equipment.81
7.1.6 Test equipment precautions .82
7.1.7 Ambient conditions.82
7.1.8 Connected loads.82
7.1.9 Warm-up period.82
7.2 Required test rig .82
7.3 Protocol test-suite description methodology .84
7.4 Detailed protocol test procedures .85
7.4.1 Test-suite overview.85
7.4.2 Declarations.89
7.4.3 Constraints.
...