ETSI EN 302 842-2 V1.3.1 (2011-09)
VHF air-ground and air-air Digital Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of measurement for aeronautical mobile (airborne) equipment; Part 2: General description and data link layer
VHF air-ground and air-air Digital Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of measurement for aeronautical mobile (airborne) equipment; Part 2: General description and data link layer
REN/AERO-00007-2
Radijska oprema za digitalno povezavo VHF (VDL) zrak-tla in zrak-zrak, 4. način - Tehnične karakteristike in merilne metode za aeronavtično mobilno (letalsko) opremo - 2. del: Splošni opis in plast za podatkovne povezave
Ta dokument velja za naslednje vrste radijske opreme:
zelo visokofrekvenčna (VHF) digitalna povezava (VDL), 4. način, aeronavtičnih mobilnih (zračnih) radijskih oddajnikov, oddajnikov in prejemnikov ter prejemnikov za komunikacije zrak-tla in zrak-zrak, ki deluje v pasu VHF z uporabo modulacije frekvenčnega premičnega kodiranja prek filtra Gaussian (GFSK) z razmikom 25 kHz med kanali in zmožna uravnavati na kateri koli izmed kanalov 25 kHz od 118.000 MHz do 136.975 MHz, kot je opredeljeno v SARPs ICAO za VDL [i.2].
Ta dokument zagotavlja 2. del tehničnih specifikacij.
Ta dokument zagotavlja, da bo oprema, ki jo certificira, združljiva z ustreznimi SARPs za ICAO VDL [i.4] in tehničnim priročnikom ICAO za VDL4 [i.1].
OPOMBA: V točki 5.1.4 terciarni čas, kot je opisan v tehničnem priročniku ICAO VDL4 [i.1], ni bil vključen v ta dokument, kot zahteva zaradi mnenja ETSI delovne skupine, da je na voljo premalo dokazov za potrditev pravilnega delovanja »plavajočega omrežja« postaj, ki delujejo na terciarnem času.
Proizvajalci morajo biti pozorni, da razpon uravnavanja za oddajnik lahko v prihodnje zajema kateri koli kanal 25 kHz od 112.000 MHz do 117.975 MHz in za prejemnike kateri koli kanal 25 kHz od 108.000 MHz do 117.975 MHz.
Ta dokument velja za »aeronavtično mobilno (za zračna vozila in v nekaterih primerih talna vozila)« opremo, v nadaljevanju »mobilna« oprema.
Področje uporabe tega dokumenta je omejeno na mobilne postaje. Ustrezna specifikacija za talne postaje je v EN 301 842 [10], [10], [11], [12] in [13].
Sistem VDL, 4. način, zagotavlja digitalne komunikacijske izmenjave med zračnim plovilom in talnim sistemom ter drugimi aplikacijami, ki podpirajo nadzor in komunikacije. Podporni načini komunikacije vključujejo:
oddajanje in komunikacijo tipa točka-točka;
zmožnosti storitev oddajanja, vključno z zmožnostmi samodejnega odvisnega nadzora - oddajanje (ADS-B), storitve prometnih informacij – oddajanje, (TIS-B), storitve informacij o letih – oddajanje (FIS-B) ter razširjene storitve informacij GNSS - oddajanje (GNS-B);
storitve zrak-zrak in tla-zrak;
delovanje brez talne infrastrukture.
VDL, 4. način, je načrtovan kot zrak/tla podsistem aeronavtičnega telekomunikacijskega omrežja (ATN) (glej ICAO ATN SARP [i.3]) ter uporablja pas AM(R)S in je organiziran v skladu z modelom povezanih odprtih sistemov (OSI) (določen z ISO). Zagotavlja zanesljive podomrežne storitve sistemu ATN. Druga omrežja so prav tako lahko podprta, vendar se ta dokument na njih ne osredotoča.
Ta dokument je izpeljan iz naslednjih standardov in specifikacij:
Tehnični priročnik ICAO VDL4 [i.1], izdelan pod okriljem Mednarodne organizacije za civilno letalstvo (ICAO).
Drugih ustreznih standardov, kot je opredeljeno v točki 2.
Predvideva se, da proizvajalec lahko zagotovi opremo, ki podpira:
samo storitve oddajanja;
samo storitve točka-točka;
storitve oddajanja in storitve točka-točka.
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.VHF air-ground and air-air Digital Link (VDL) Mode 4 radio equipment - Technical characteristics and methods of measurement for aeronautical mobile (airborne) equipment - Part 2: General description and data link layer49.090On-board equipment and instruments35.100.20Podatkovni povezovalni slojData link layer33.060.99Druga oprema za radijske komunikacijeOther equipment for radiocommunicationsICS:Ta slovenski standard je istoveten z:EN 302 842-2 Version 1.3.1SIST EN 302 842-2 V1.3.1:2011en01-november-2011SIST EN 302 842-2 V1.3.1:2011SLOVENSKI
STANDARD
SIST EN 302 842-2 V1.3.1:2011
ETSI EN 302 842-2 V1.3.1 (2011-09) VHF air-ground and air-air Digital Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of measurement for aeronautical mobile (airborne) equipment; Part 2: General description and data link layer
European Standard SIST EN 302 842-2 V1.3.1:2011
ETSI ETSI EN 302 842-2 V1.3.1 (2011-09) 2
Reference REN/AERO-00007-2 Keywords aeronautical, digital, radio, testing, VHF ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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ETSI ETSI EN 302 842-2 V1.3.1 (2011-09) 3 Contents Intellectual Property Rights . 8 Foreword . 8 Introduction . 9 1 Scope . 10 2 References . 12 2.1 Normative references . 12 2.2 Informative references . 13 3 Definitions and abbreviations . 13 3.1 Definitions . 13 3.1.1 Basic reference model definitions . 13 3.1.2 Service conventions definitions . 13 3.1.3 General definitions . 14 3.1.4 Definition of bit order . 17 3.2 Abbreviations . 17 4 General description of VDL Mode 4 mobile station link layer . 19 4.1 Overview of VDL Mode 4 . 19 4.1.1 Void . 19 4.1.2 Relationship to OSI reference model . 19 4.1.3 VDL Mode 4 services . 21 4.1.4 ADS-B function . 21 4.1.5 Operational scenarios . 22 4.1.6 VDL Mode 4 fundamentals . 22 4.1.7 Possible configuration of airborne equipment . 23 4.1.8 Classes of equipment . 25 4.1.9 Transceiver cross-links . 25 4.1.10 Overall structure of specifications for VDL Mode 4 . 25 4.1.11 Equipment performance verification . 27 5 Minimum performance specification under standard test conditions . 28 5.1 MAC sublayer . 28 5.1.1 Services . 28 5.1.2 MAC sublayer services . 28 5.1.3 MAC sublayer parameters . 28 5.1.3.1 General . 28 5.1.3.2 Parameter M1 (number of slots per superframe) . 29 5.1.3.3 Parameter M2_inc and M2_limit (MAC layer control parameters for network entry) . 29 5.1.3.4 Inspection of m2 filter following transceiver failure . 30 5.1.4 Time synchronization . 30 5.1.4.1 Primary . 30 5.1.4.2 Secondary . 30 5.1.4.3 Alignment to UTC second . 31 5.1.4.4 Data quality level . 31 5.1.5 Slot idle/busy notification . 31 5.1.5.1 Slot idle detection . 31 5.1.5.2 Slot busy detection . 31 5.1.5.3 Slot occupied detection . 31 5.1.5.4 Signal level indication . 31 5.1.6 Transmission processing . 32 5.1.7 Received transmission processing . 32 5.2 VSS sublayer . 32 5.2.1 Services . 33 5.2.1a Multiple access . 33 5.2.1.1 Error detection . 33 5.2.1.2 Channel congestion . 33 SIST EN 302 842-2 V1.3.1:2011
ETSI ETSI EN 302 842-2 V1.3.1 (2011-09) 4 5.2.2 Burst format . 34 5.2.2.1 VSS burst structure . 34 5.2.2.2 Version number . 35 5.2.2.3 Source address . 35 5.2.2.4 Message ID . 35 5.2.2.5 Information field . 36 5.2.2.6 Reservation fields . 36 5.2.2.7 Autonomous/directed flag . 36 5.2.3 VSS sublayer parameters . 37 5.2.3.1 General . 37 5.2.3.2 Parameter VS1 (number of ground quarantined slots) . 37 5.2.3.3 Parameter VS2 (minimum CCI performance) . 38 5.2.3.4 Parameter VS4 (quarantine slot re-use range) . 38 5.2.3.5 Parameter VS5 (maximum burst length) . 38 5.2.4 VSS quality of service parameters . 39 5.2.4.1 General . 39 5.2.4.2 Parameter Q1 (priority) . 39 5.2.4.3 Parameters Q2a to Q2d (slot selection range constraint for level n) . 40 5.2.4.4 Parameter Q3 (replace queued data) . 40 5.2.4.5 Parameter Q4 (number of available slots) . 41 5.2.5 Received transmission processing . 41 5.2.6 Reserved access protocol specification . 42 5.2.6.1 Reservation table . 42 5.2.6.2 Selecting slots for transmission or reservation . 43 5.2.6.3 Reserved transmissions . 44 5.2.6.4 Reservation conflicts . 45 5.2.6.5 Transmission conflicts for mobile stations . 45 5.2.7 Random access protocol specification . 46 5.2.7.1 General . 46 5.2.7.2 Random access parameters. 46 5.2.7.3 Random access procedures. 48 5.2.8 Void . 49 5.2.9 Null reservation protocol specification . 49 5.2.9.1 Null reservation burst format . 49 5.2.10 Periodic broadcast protocol specification . 49 5.2.10.1 Periodic broadcast reservation burst format . 49 5.2.10.2 Periodic broadcast timers . 50 5.2.10.3 Periodic broadcast parameters . 50 5.2.10.4 Periodic broadcast reception procedures . 51 5.2.10.5 Periodic broadcast transmission procedures . 52 5.2.11 Incremental broadcast protocol specification . 55 5.2.11.1 Incremental broadcast reservation burst format . 55 5.2.11.2 Incremental broadcast parameters . 55 5.2.11.3 Incremental broadcast reception procedures . 56 5.2.11.4 Incremental broadcast transmission procedures . 56 5.2.12 Combined periodic broadcast and incremental broadcast protocol specification . 57 5.2.12.1 Combined periodic broadcast and incremental broadcast reservation burst. 57 5.2.13 Big negative dither (BND) broadcast protocol specifications . 57 5.2.13.1 BND reservation burst format . 57 5.2.13.2 BND broadcast parameters. 58 5.2.13.3 BND broadcast reception procedures . 58 5.2.13.4 BND broadcast transmission procedures . 58 5.2.14 Unicast request protocol specification . 58 5.2.14.1 Unicast request reservation burst format . 58 5.2.14.1a Unicast request parameters. 59 5.2.14.2 Unicast request reception procedures . 60 5.2.14.3 Unicast request transmission procedures . 61 5.2.15 Information transfer request protocol specification . 61 5.2.15.1 Information transfer request reservation burst format . 61 5.2.15.2 Information transfer request reception procedures . 63 5.2.16 Directed request protocol specification. 63 5.2.16.1 Directed request reservation burst format . 63 SIST EN 302 842-2 V1.3.1:2011
ETSI ETSI EN 302 842-2 V1.3.1 (2011-09) 5 5.2.16.2 Directed request parameters . 66 5.2.16.3 Directed request reception procedures . 67 5.2.16.4 Directed request transmission procedures . 68 5.2.16.5 Directed request response procedures . 69 5.2.17 Block reservation protocols specification . 70 5.2.17.1 Superframe block reservation burst format . 70 5.2.17.2 Second frame block reservation burst format . 71 5.2.17.3 Void. 72 5.2.17.4 Superframe block reservation reception procedures . 72 5.2.17.5 Second frame block reservation parameters . 74 5.2.17.6 Second frame block reservation reception procedures . 74 5.2.17.7 Void. 74 5.2.17.7a Procedures for responding to a rebroadcast request for superframe block reservation . 74 5.2.18 Response protocol specification . 75 5.2.18.1 Response burst format . 75 5.2.19 General request protocol specification . 75 5.2.19.1 General request burst format . 75 5.2.19.2 General request procedures . 76 5.2.20 General response protocol specification . 76 5.2.20.1 General response burst format. 76 5.2.20.2 General response procedures . 78 5.2.21 Retransmission procedures . 78 5.3 DLS sublayer . 79 5.3.1 Services . 79 5.3.1.1 General . 79 5.3.1.2 Data transfer . 79 5.3.1.3 Station address encoding . 79 5.3.1.4 DLS burst formats . 81 5.3.2 DLS system parameters . 82 5.3.2.1 Parameter ND4 (maximum length of a UDATA burst) . 82 5.3.3 DLS procedures . 82 5.3.3.1 Broadcast . 82 5.3.3.2 DLS not supported . 82 5.3.3.3 User data packet reception . 83 5.3.3.4 CTRL DLPDU . 83 5.4 Link Management Entity (LME) sublayer . 83 5.4.1 Services . 83 5.4.2 Synchronization burst format . 83 5.4.2.1 General . 83 5.4.2.2 Fixed and variable data fields. 83 5.4.2.3 Fixed data field format . 84 5.4.2.4 Variable data field format . 87 5.4.2.5 Synchronization burst request . 87 5.4.2.6 Broadcast link management burst . 87 5.4.3 Control (CTRL) parameter formats . 88 5.4.3.1 Encoding . 88 5.4.3.2 VDL Mode 4 parameter identification . 88 5.4.3.3 Ground-initiated modification parameters . 89 5.4.3.4 Ground-initiated information parameters . 92 5.4.3a LME timers and parameters . 94 5.4.3a.1 General . 94 5.4.3a.2 Counter L1 (maximum number of missed reservations) and Timer TL3 (inter miss timer) . 95 5.4.4 LME procedures . 95 5.4.4.1 Synchronization burst procedures . 95 5.4.4.2 Peer Entity Contact Table (PECT) . 98 5.4.4.3 Network entry protocol specifications . 99 5.4.5 Additional material for ADS-B applications . 105 5.4.5.1 Information field formats . 105 5.4.5.2 ADS-B request format. 106 5.5 Void .
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