ETSI EN 301 841-2 V1.1.1 (2004-03)

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 2: Upper layers

DEN/ERM-TG25-015-2

Elektromagnetna združljivost in zadeve v zvezi z radijskim spektrom (ERM) – Digitalne povezave VHF zrak-tla, 2. način – Tehnične karakteristike in merilne metode za talno opremo – 2. del: Zgornje plasti

General Information

• Status: Published
• Publication Date: 28-Mar-2004
• Technical Committee: ERM TG25 - ERM Aeronautical
• Current Stage: 12 - Completion
• Due Date: 09-Apr-2004
• Completion Date: 29-Mar-2004
• Mandate: M/239
• Ref Project: SIST EN 301 841-2 V1.1.1:2006 - 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 2: Upper layers

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 301 841-2 V1.1.1:2006
01-marec-2006
(OHNWURPDJQHWQD]GUXåOMLYRVWLQ]DGHYHY]YH]L]UDGLMVNLPVSHNWURP(50±
'LJLWDOQHSRYH]DYH9+)]UDNWODQDþLQ±7HKQLþQHNDUDNWHULVWLNHLQPHULOQH
PHWRGH]DWDOQRRSUHPR±GHO=JRUQMHSODVWL
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 2: Upper layers
Ta slovenski standard je istoveten z: EN 301 841-2 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
SIST EN 301 841-2 V1.1.1:2006 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 301 841-2 V1.1.1:2006

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SIST EN 301 841-2 V1.1.1:2006

ETSI EN 301 841-2 V1.1.1 (2004-03)
European Standard (Telecommunications series)

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 2: Upper layers

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SIST EN 301 841-2 V1.1.1:2006
 2 ETSI EN 301 841-2 V1.1.1 (2004-03)



Reference
DEN/ERM-TG25-015-2
Keywords
aeronautical, radio, testing
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SIST EN 301 841-2 V1.1.1:2006
 3 ETSI EN 301 841-2 V1.1.1 (2004-03)
Contents
Intellectual Property Rights.10
Foreword.10
Introduction .10
1 Scope.11
2 References.11
3 Definitions and abbreviations.12
3.1 Definitions.12
3.1.1 Basic reference model definitions.12
3.1.2 Service conventions definitions .12
3.1.3 General definitions.13
3.2 Abbreviations.13
4 General architecture of VDL Mode 2.14
5 Link layer protocols and services functional specifications.15
5.1 MAC sublayer specifications .16
5.1.1 MAC services.16
5.1.1.1 Multiple access.16
5.1.1.2 Channel congestion.16
5.1.2 MAC service system parameters .17
5.1.2.1 Timer TM1 (inter-access delay timer).17
5.1.2.2 Timer TM2 (channel busy timer).17
5.1.2.3 Parameter p (persistence) .17
5.1.2.4 Counter M1 (maximum number of access attempts) .17
5.1.3 Description of procedures.17
5.1.3.1 Channel sensing.17
5.1.3.2 P-persistent CSMA access times.17
5.1.3.3 Inter-access interval.18
5.1.3.4 Channel access procedure .18
5.1.3.4.1 Purpose.18
5.1.3.4.2 Use.18
5.1.3.4.3 Procedure.18
5.1.3.5 AVLC frame reception.18
5.1.3.5.1 Purpose.18
5.1.3.5.2 Use.18
5.1.3.5.3 Procedure.18
5.2 Data link layer service protocol specifications.19
5.2.1 Interface with MAC sub layer.19
5.2.1.1 Sequence of primitives.19
5.2.2 Data Link State Machines.20
5.2.2.1 LME state machine.21
5.2.2.2 DLE top state machine .22
5.2.2.3 DLE data transfer state diagram.23
5.2.2.4 DLE selective reject state machines.24
5.2.2.4.1 SRM mode Sending SREJ.24
5.2.2.4.2 SRM mode Receiving SREJ.24
5.2.2.4.3 FRM mode.25
5.2.2.5 DLE termination state machine.26
5.2.3 Services.26
5.2.3.1 Received frame sequencing procedure.26
5.2.3.1.1 Purpose.26
5.2.3.1.2 Use.26
5.2.3.1.3 Procedure.26
5.2.3.2 Error detection procedure.26
5.2.3.2.1 Purpose.26
ETSI

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SIST EN 301 841-2 V1.1.1:2006
 4 ETSI EN 301 841-2 V1.1.1 (2004-03)
5.2.3.2.2 Use.26
5.2.3.2.3 Procedure.27
5.2.3.3 Station identification.27
5.2.3.4 Broadcast addressing.27
5.2.3.5 Data transfer.27
5.2.4 Frame format.27
5.2.4.1 Address structure.27
5.2.4.2 Address fields0.0.3.3.27
5.2.4.2.1 Air-ground status bit.28
5.2.4.2.2 Command/response status bit .28
5.2.4.2.3 Data link service addresses.28
5.2.4.2.4 Address type.28
5.2.4.2.5 Aircraft specific addresses.28
5.2.4.2.6 ICAO-administered ground station specific addresses .28
5.2.4.2.7 ICAO-delegated ground station specific addresses .28
5.2.4.3 Broadcast address.28
5.2.4.3.1 Encoding.29
5.2.4.4 Link control field .29
5.2.4.5 Information field.29
5.2.5 Transmit queues management.29
5.2.6 Data link service system parameters.30
5.2.6.1 Parameter T1 (delay before non acknowledged retransmission).30
5.2.6.2 Parameter T2 (delay before acknowledgment).31
5.2.6.3 Parameter T3 (link initialization time) .31
5.2.6.4 Parameter T4 (maximum delay between transmissions).31
5.2.6.4.1 Recommendation.31
5.2.6.5 Parameter N1 (maximum number of bits of any frame) .31
5.2.6.6 Counter N2 (maximum number of transmissions) .31
5.2.6.7 Parameter k (window size).32
5.2.7 DLE retransmission timers .32
5.2.8 Description of procedures.32
5.2.8.1 Procedure retransmission schedule .32
5.2.8.1.1 Purpose.32
5.2.8.1.2 Use.32
5.2.8.1.3 Procedure.32
5.2.8.2 Procedure frame retransmission .32
5.2.8.2.1 Purpose.32
5.2.8.2.2 Use.32
5.2.8.2.3 Procedure.33
5.2.8.3 Procedure XID frame retransmission.33
5.2.8.3.1 Purpose.33
5.2.8.3.2 Use.33
5.2.8.3.3 Procedure.33
5.2.8.4 Procedure link monitoring.33
5.2.8.4.1 Purpose.33
5.2.8.4.2 Use.33
5.2.8.4.3 Procedure.33
5.2.8.5 Procedure link recovery .33
5.2.8.5.1 Purpose.33
5.2.8.5.2 Use.33
5.2.8.5.3 Procedure.33
5.2.9 Modes of operation .34
5.2.9.1 Operational mode.34
5.2.9.2 Non-operational mode.34
5.2.9.2.1 DISC frame.34
5.2.9.2.2 DM frame.34
5.2.9.3 Frame reject mode.34
5.2.9.4 Sent selective reject mode.34
5.2.10 Use of the P/F bit .34
5.2.10.1 General.34
5.2.10.2 INFO frames.35
5.2.10.3 Recommendation.35
ETSI

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SIST EN 301 841-2 V1.1.1:2006
 5 ETSI EN 301 841-2 V1.1.1 (2004-03)
5.2.10.4 Unnumbered frames.35
5.2.11 Unnumbered command frame collisions .35
5.2.11.1 DLE procedures.35
5.2.11.2 LME procedures.35
5.2.12 XID frame.35
5.2.13 Broadcast.35
5.2.14 Information transfer.35
5.2.14.1 Void.35
5.2.14.1.1 Eliminate redundant frames.35
5.2.14.1.2 Recommendation.36
5.2.14.1.3 Recommendation.36
5.2.14.1.4 Recommendation.36
5.2.14.1.5 Procedures for transmission.36
5.2.14.1.6 Recommendation.36
5.2.14.1.7 Recommendation.36
5.2.14.1.8 Recommendation.36
5.2.14.2 SREJ frame.36
5.2.14.3 FRMR frame.37
5.2.14.4 UA frame.37
5.2.14.5 UI frame.37
5.2.14.6 TEST frame.37
5.3 VDL management entity.37
5.3.1 Services.37
5.3.1.1 Link provision.37
5.3.1.2 Link change notifications.37
5.3.2 Exchange identity (XID) parameter.38
5.3.2.1 Encoding.38
5.3.2.2 Public parameters.38
5.3.2.2.1 HDLC public parameter set identifier .38
5.3.2.2.2 Timer T1 parameter.39
5.3.2.3 VDL private parameters.39
5.3.2.4 General purpose information private parameters .39
5.3.2.4.1 VDL private parameter set identifier.39
5.3.2.4.2 Connection management parameter.39
5.3.2.4.3 Signal Quality Parameter (SQP).40
5.3.2.4.4 XID sequencing parameter .41
5.3.2.4.5 AVLC specific options parameter .41
5.3.2.4.6 Expedited subnetwork connection parameter .42
5.3.2.4.7 LCR cause parameter .42
5.3.2.5 Aircraft-initiated information private parameters .43
5.3.2.5.1 Modulation support parameter.43
5.3.2.5.2 Acceptable alternate ground station parameter.44
5.3.2.5.3 Destination airport parameter .44
5.3.2.5.4 Aircraft location parameter.44
5.3.2.6 Ground-based initiated modification private parameters .45
5.3.2.6.1 Autotune frequency parameter.45
5.3.2.6.2 Replacement ground station list .45
5.3.2.6.3 Timer T4 parameter.45
5.3.2.6.4 MAC persistence parameter .45
5.3.2.6.5 Counter M1 parameter.46
5.3.2.6.6 Timer TM2 parameter .46
5.3.2.6.7 Timer TG5 parameter .46
5.3.2.6.8 T3min parameter.46
5.3.2.6.9 Ground station address filter parameter.47
5.3.2.6.10 Broadcast connection parameter.47
5.3.2.7 Ground-based initiated info
...