1、 ETSI EN 301 841-1 V1.4.1 (2015-04) VHF air-ground Digital Link (VDL) Mode 2; Technical characteristics and methods of measurement for ground-based equipment; Part 1: Physical layer and MAC sub-layer EUROPEAN STANDARD ETSI ETSI EN 301 841-1 V1.4.1 (2015-04) 2 Reference REN/AERO-00010 Keywords aerona
2、utical, radio, testing, VHF ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present documen
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7、the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2015. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Member
8、s. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI EN 301 841-1 V1.4.1 (2015-04) 3 Contents Intellectual Property Rights 6g3Foreword .
9、 6g3Modal verbs terminology 6g3Introduction 6g31 Scope 7g32 References 7g32.1 Normative references . 7g32.2 Informative references 7g33 Definitions and abbreviations . 8g33.1 Definitions 8g33.1.1 Basic reference model definitions . 8g33.1.2 Service conventions definitions 8g33.1.3 General definition
10、s 9g33.2 Abbreviations . 9g34 General architecture of VDL Mode 2 . 10g35 Physical layer protocols and services functional specifications . 11g35.1 Overview 11g35.1.1 Functions 11g35.1.2 Data reception by the receiver 12g35.1.3 Data transmission 12g35.2 Transmission procedure . 12g35.3 Modulation sch
11、eme 13g35.4 Training sequence. 13g35.4.1 RF power rise time definition . 13g35.5 Physical layer Service Access Point . 14g35.6 Tuning range and channel increments 14g36 VDL MODE 2 equipment requirements 14g36.1 Transmitter requirements . 14g36.1.1 Frequency Tolerance. 14g36.1.2 Manufacturers declare
12、d output power 14g36.1.3 Adjacent channel power 15g36.1.3.1 16 kHz channel bandwidth 15g36.1.3.2 25 kHz channel bandwidth 15g36.1.4 Conducted Spurious emissions . 16g36.1.5 Cabinet radiation . 16g36.1.6 Modulation rate . 16g36.1.7 Intermodulation attenuation 16g36.1.8 RF power rise time 16g36.1.9 RF
13、 power release time 16g36.1.10 Transceiver timing requirements 17g36.1.10.1 Receiver to transmitter turn-around time 17g36.1.10.2 Transmitter to receiver turn-around time 17g36.1.11 Symbol constellation error 17g36.1.12 Protection of the transmitter 17g36.1.13 Load VSWR capability . 17g36.2 Receiver
14、 requirements 17g36.2.1 Sensitivity . 17g36.2.2 Co-channel interference 17g36.2.3 First Adjacent Channel Rejection . 17g36.2.4 Rejection of signals within the VHF Aeronautical band. 18g36.2.5 Rejection of signals outside the VHF Aeronautical band . 18g36.2.6 In-band Intermodulation . 18g36.2.7 Desir
15、ed signal dynamic range . 19g3ETSI ETSI EN 301 841-1 V1.4.1 (2015-04) 4 6.2.8 Conducted spurious emission . 19g36.2.9 Cabinet radiation . 19g36.2.10 Symbol rate capture range 19g36.2.11 Frequency capture range . 19g36.3 Void 19g36.4 MAC sub-layer requirements . 19g36.4.1 MAC services . 19g36.4.1.1 M
16、ultiple Access . 19g36.4.1.2 Channel Congestion 19g36.4.2 MAC System Parameters 19g36.4.2.1 Timer TM1 (inter-access delay timer). 19g36.4.2.2 Timer TM2 (channel busy timer) 20g36.4.2.3 Parameter p (persistence) 20g36.4.2.4 Counter M1 (maximum access attempts) 20g36.4.3 Description of MAC Layer Proce
17、dures 20g36.4.3.1 Channel Sensing 20g36.4.3.2 Access Attempt . 20g36.4.3.3 Signal Quality Parameter 20g36.4.4 Services (Part of DLS) 20g36.4.4.1 Error Detection 20g36.4.4.2 Station Identification . 20g37 General requirements . 21g37.1 General . 21g37.2 Controls and indicators . 21g37.3 Class of emis
18、sion and modulation characteristics 21g37.4 Warm up . 21g38 Test conditions, power sources and ambient temperatures 21g38.1 Test power source . 21g38.2 Normal and extreme test conditions . 21g38.2.1 Normal test conditions 21g38.2.1.1 Normal temperature and humidity 21g38.2.1.2 Normal power sources .
19、 22g38.2.1.2.1 Mains voltage and frequency . 22g38.2.1.2.2 Other power sources 22g38.2.2 Extreme test conditions . 22g38.2.2.1 Extreme temperatures 22g38.2.2.2 Procedure for tests at extreme temperatures 22g38.2.2.2.1 General 22g38.2.2.2.2 High temperature . 22g38.2.2.2.3 Low temperature 22g38.2.2.3
20、 Extreme values of test power sources . 23g38.2.2.4 Other power sources 23g38.3 Test channels 23g38.4 General conditions of measurement . 23g38.4.1 Receiver test signal arrangement 23g38.4.2 Receiver BER test . 23g38.4.3 Performance check 24g39 Detailed Test Procedures for the physical layer . 25g39
21、.1 Transmitter . 25g39.1.1 Frequency Error 25g39.1.1.1 Definition 25g39.1.1.2 Method of measurement 25g39.1.1.3 Limits 25g39.1.2 Manufacturers declared output power 25g39.1.3 Adjacent channel power 26g39.1.3.1 Method of measurement for the first adjacent channel . 26g39.1.3.2 Method of measurement f
22、or the second adjacent channel . 27g39.1.3.3 Method of measurement for the fourth adjacent channel 27g39.1.3.4 Wideband noise . 29g39.1.4 Spurious emissions . 30g3ETSI ETSI EN 301 841-1 V1.4.1 (2015-04) 5 9.1.5 Cabinet Radiation . 30g39.1.6 Void 30g39.1.7 Inter-modulation attenuation . 30g39.1.8 RF
23、power rise time 31g39.1.9 RF power release time 33g39.1.10 Physical layer, system parameters 34g39.1.10.1 Receiver to Transmitter turn-around time . 34g39.1.10.2 Transmitter to Receiver turn-around time . 35g39.1.11 Symbol Constellation Error 36g39.1.12 Protection of the transmitter 37g39.1.12.1 Met
24、hod of measurement 37g39.1.12.2 Requirement 37g39.1.13 Load VSWR capability . 37g39.2 Receiver 38g39.2.1 Sensitivity . 38g39.2.2 Co-channel interference 38g39.2.3 First Adjacent Channel Rejection . 39g39.2.4 Rejection of signals within the VHF Aeronautical band. 40g39.2.5 Rejection of signals outsid
25、e the VHF Aeronautical band . 41g39.2.6 In-band Intermodulation . 41g39.2.7 Desired Signal dynamic range 42g39.2.8 Conducted spurious emission . 43g39.2.9 Cabinet Radiation . 43g39.2.10 Symbol rate capture range 43g39.2.11 Frequency capture range . 44g39.3 Void 44g39.4 MAC sub-layer . 44g39.4.1 MAC
26、services . 45g39.4.1.1 Multiple Access . 45g39.4.1.2 Channel Congestion 45g39.4.2 MAC System Parameters 45g39.4.2.1 Timer TM1 (inter-access delay timer). 45g39.4.2.2 Timer TM2 (channel busy timer) 46g39.4.2.3 Parameter p (persistence) 46g39.4.2.4 Counter M1 (maximum access attempts) 47g39.4.3 Descri
27、ption of MAC Layer Procedures 48g39.4.3.1 Channel Sensing 48g39.4.3.2 Access Attempt . 48g39.4.3.3 Signal Quality Parameter 49g39.4.4 Services (Part of DLS) 49g39.4.4.1 Error Detection 49g39.4.4.2 Station Identification . 50g3Annex A (informative): Bibliography . 51g3History 52g3ETSI ETSI EN 301 841
28、-1 V1.4.1 (2015-04) 6 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314:
29、“Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/ipr.etsi.org). Pursuant to the ETSI IPR Policy, no investigation, i
30、ncluding IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This European Standard (EN) has
31、been produced by ETSI Technical Committee Aeronautics (AERO). The present document is part 1 of a multi-part deliverable covering VHF air-ground Digital Link (VDL) Mode 2; Technical characteristics and methods of measurement for ground-based equipment, as identified below: Part 1: “Physical layer an
32、d MAC sub-layer“; Part 2: “Upper layers“; Part 3: “Harmonized EN covering the essential requirements of article 3.2 of the R the second part provides functional specifications and test procedures for link and sub-network access layers. 2 References 2.1 Normative references References are either spec
33、ific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the reference document (including any amendments) applies. Referenced documents which are not
34、found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. The following referenced documents are necessary for the
35、 application of the present document. 1 ICAO Convention on International Civil Aviation: “Annex 10 - Aeronautical Telecommunications, Volume III - Communication Systems, Part I - Digital Data Communication Systems, Second Edition, July 2007, incorporating Amendments up to 88A (applicable 14/11/13).
36、Chapter 6 - VHF Air-ground Digital Link (VDL)“. 2 ICAO Convention on International Civil Aviation: “Annex 10 - Aeronautical Telecommunications, Volume V - Aeronautical Radio Frequency Spectrum Utilization“, Third Edition, July 2013 incorporating Amendments up to 88A. 3 ETSI EN 300 113-1: “Electromag
37、netic compatibility and Radio spectrum Matters (ERM); Land mobile service; Radio equipment intended for the transmission of data (and/or speech) using constant or non-constant envelope modulation and having an antenna connector; Part 1: Technical characteristics and methods of measurement“. 4 ICAO D
38、ocument 9776/AN970 (first edition, 2001): “Manual on VHF Digital Link (VDL) mode 2“. 2.2 Informative references References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non
39、-specific references, the latest version of the reference document (including any amendments) applies. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. ETSI ETSI EN 301 841-1 V1.4.1 (2015-04) 8 The following refe
40、renced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. i.1 ETSI EN 301 841-2: “Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground Digital Link (VDL) Mode 2; Technical characteristic
41、s and methods of measurement for ground-based equipment; Part 2: Upper layers“. i.2 EUROCAE ED 92B: “MOPS for an Airborne VDL Mode-2 Transceiver operating in the frequency range 118-136.975 MHz“. i.3 ISO/IEC 13239: “Information technology - Telecommunications and information exchange between systems
42、 - High-level data link control (HDLC) procedures“. i.4 ISO/IEC 8208: “Information technology - Data communications - X.25 Packet Layer Protocol for Data Terminal Equipment“. i.5 ISO/IEC 7498-1: “Information technology - Open Systems Interconnection - Basic Reference Model: The Basic Model“. i.6 ISO
43、/IEC 10731: “Information technology - Open Systems Interconnection - Basic Reference Model - Conventions for the definition of OSI services“. i.7 ITU Radio Regulations (2012). 3 Definitions and abbreviations 3.1 Definitions 3.1.1 Basic reference model definitions The present document is based on the
44、 concepts developed in the open systems interconnect basic reference model and makes use of the following terms defined in ISO/IEC 7498-1 i.5: layer; sublayer; entity; service; service access point; service data unit; physical layer; data link layer. 3.1.2 Service conventions definitions For the pur
45、poses of the present document, the terms and definitions given in ISO/IEC 10731 i.6 apply: service provider; service user; service primitive; request; indication; confirm. ETSI ETSI EN 301 841-1 V1.4.1 (2015-04) 9 3.1.3 General definitions For the purposes of the present document, the following term
46、s and definitions apply: adjacent channel power: amount of the modulated RF signal power transmitted outside of the assigned channel NOTE: Adjacent channel power includes discrete spurious, signal sidebands, and noise density (including phase noise) at the transmitter output. adjacent channel reject
47、ion: receivers ability to demodulate the desired signal and meet the uncorrected BER requirement in the presence of an interfering signal in an adjacent channel NOTE: The ratio (in dB) between the adjacent interfering signal level and the desired signal level necessary to achieve the specified minim
48、um uncorrected BER, is the adjacent channel rejection (ACR) ratio. aeronautical mobile service: mobile service between aeronautical stations and aircraft stations, or between aircraft stations, in which survival craft stations may participate average transmitter output power: average power supplied
49、to the antenna transmission line by a transmitter during an interval of time sufficiently long, compared with the lowest frequency encountered in the modulation, taken under normal operating conditions Bit Error Rate (BER): ratio between the number of erroneous bits received and the total number of bits received NOTE: The uncorrected BER represents the BER without the benefit of Forward Error Correction (FEC). Co-Channel Interference (CCI): capability of a receiver to demodulate the desired signal and achieve the mini
