1、 ETSI EN 302 480 V1.1.2 (2008-04)Harmonized European Standard (Telecommunications series) Electromagnetic compatibilityand Radio spectrum Matters (ERM);Harmonized EN for the GSM onboard aircraft systemcovering the essential requirementsof Article 3.2 of the R Essential, or potentially Essential, IPR
2、s 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:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guaran
3、tee 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 Harmonized European Standard (Telecommunications series) has been produced by ETSI Techni
4、cal Committee Electromagnetic compatibility and Radio spectrum Matters (ERM). The present document has been produced by ETSI in response to a mandate from the European Commission issued under Council Directive 98/34/EC 12 (as amended) laying down a procedure for the provision of information in the f
5、ield of technical standards and regulations. The present document is intended to become a Harmonized Standard, the reference of which will be published in the Official Journal of the European Communities referencing the Directive 1999/5/EC 11 of the European Parliament and of the Council of 9 March
6、1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity (“the R 2) a Network Control Unit (NCU) preventing direct connection of the onboard mobile terminals with mobile networks on the ground by raising the noise floor in the cabin. These radi
7、o equipment types are capable of operating in all or any part of the frequency bands given below: Table 1: Radiocommunications service frequency bands Radiocommunications service frequency bands Transmit 1 (OBTS) 1 805 MHz to 1 880 MHz Receive 1 (OBTS) 1 710 MHz to 1 785 MHz Transmit 2 (NCU) 460 MHz
8、 to 470 MHz Transmit 2 (NCU) 921 MHz to 960 MHz Transmit 2 (NCU) 1 805 MHz to 1 880 MHz Transmit 2 (NCU) 2 110 MHz to 2 170 MHz It applies to equipment for continuous and discontinuous transmission of data and digital speech. The present document applies only to radio equipment using a dedicated tra
9、nsmitting antenna that is designed as an indispensable part of the system for usage on board an aircraft. The system covered by the present document operates in accordance with the operational requirements as outlined in the Decision CEPT/ECC/DEC/(06)07 14. The present document covers the provisions
10、 of Directive 1999/5/EC (the R - for informative references. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. For online referenced documents, information sufficient to identify and locate the source shall b
11、e provided. Preferably, the primary source of the referenced document should be cited, in order to ensure traceability. Furthermore, the reference should, as far as possible, remain valid for the expected life of the document. The reference shall include the method of access to the referenced docume
12、nt and the full network address, with the same punctuation and use of upper case and lower case letters. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. 2.1 Normative references The following referenced document
13、s are indispensable for the application of the present document. For dated references, only the edition cited applies. For non-specific references, the latest edition of the referenced document (including any amendments) applies. 1 ETSI TS 145 005: “Digital cellular telecommunications system (Phase
14、2+); Radio transmission and reception (3GPP TS 45.005 version 6.14.0 Release 6)“. 2 ETSI TS 145 010: “Digital cellular telecommunications system (Phase 2+); Radio subsystem synchronization (3GPP TS 45.010 version 6.6.0 Release 6)“. 3 ETSI TS 145 008: “Digital cellular telecommunications system (Phas
15、e 2+); Radio subsystem link control (3GPP TS 45.008 version 6.19.0 Release 6)“. 4 3GPP2 C.S0011-C (V2.0): “Recommended Minimum Performance Standards for cdma2000 Spread Spectrum Mobile Stations“. NOTE: http:/www.3gpp2.org/Public_html/specs/C.S0011-C_v2.0_060315.pdf 5 ETSI TS 125 104: “Universal Mobi
16、le Telecommunications System (UMTS); Base Station (BS) radio transmission and reception (FDD) (3GPP TS 25.104 version 6.16.0 Release 6)“. 6 ETSI TR 100 028 (all parts) (V1.4.1): “Electromagnetic compatibility and Radio spectrum Matters (ERM); Uncertainties in the measurement of mobile radio equipmen
17、t characteristics“. 7 ETSI TS 151 021: “Digital cellular telecommunications system (Phase 2+); Base Station System (BSS) equipment specification; Radio aspects (3GPP TS 51.021 version 6.3.0 Release 6)“. 8 ETSI TS 145 004: “Digital cellular telecommunications system (Phase 2+); Modulation (3GPP TS 45
18、.004 version 6.0.0 Release 6)“. 9 CISPR 16-2-1 (2005): “Specification for radio disturbance and immunity measuring apparatus and methods - Part 2-1: Methods of measurement of disturbances and immunity - Conducted disturbance measurements“. ETSI ETSI EN 302 480 V1.1.2 (2008-04) 9 10 EUROCAE ED-14E (2
19、005) (Equivalent to RTCA DO-160E): “Environmental Conditions and Test Procedures for Airborne Equipment“. 2.2 Informative references The following referenced documents are not essential to the use of the present document but they assist the user with regard to a particular subject area. For non-spec
20、ific references, the latest version of the referenced document (including any amendments) applies. 11 Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity (R A gui
21、de to the production of candidate Harmonized Standards for application under the R or before the aircraft enters into the airspace of a country whose regulatory administration does not allow the use of GSMOBA services in the airspace above its territory. 4.2 Conformance requirements 4.2.1 OBTS Trans
22、mitter Performance 4.2.1.1 OBTS maximum output power 4.2.1.1.1 Definition Output power refers to the measure of the power when averaged over the useful part of the burst (see clause 4.1.2 of TS 145 005 1). 4.2.1.1.2 Limits The limit for the OBTS maximum output power shall conform to the maximum limi
23、t in clause 4.1.2 of TS 145 005 1 for the DCS 1800 BTS power class P1 (pico BTS). NOTE: Conformance to the power limits in clause 4.1.2 of TS 145 005 1 for the BTS power class P1 should not be interpreted as conformance of e.i.r.p. authorization limits as defined in the CEPT/ECC/DEC/(06)07 14. 4.2.1
24、.2 OBTS Output RF spectrum 4.2.1.2.1 Spectrum due to modulation and wideband noise 4.2.1.2.1.1 Definition The spectrum due to modulation and wideband noise is the spectral spread caused by the modulation process in the transmitter. 4.2.1.2.1.2 Limits The limit for the OBTS output RF modulation spect
25、rum shall conform to the limits in clause 4.2.1 of TS 145 005 1 for the applicable DCS 1800 BTS power class P1 (pico BTS). 4.2.1.2.2 Spectrum due to switching transients 4.2.1.2.2.1 Definition The spectrum due to switching transients is the undesirable spectrum components in the transmission if the
26、RF power is ramped too quickly. 4.2.1.2.2.2 Limits The limit for the OBTS RF switching transients spectrum shall conform to the limits in clause 4.2.2 of TS 145 005 1 for the applicable DCS 1800 BTS. ETSI ETSI EN 302 480 V1.1.2 (2008-04) 134.2.1.3 OBTS Radio Frequency Tolerance 4.2.1.3.1 Definition
27、The radio frequency tolerance of the transmitter is the difference between the unmodulated carrier frequency and the nominal frequency selected for the test. 4.2.1.3.2 Limits The limit for the radio frequency tolerance shall conform to the limits in clause 5.1 of TS 145 010 2 for the applicable DCS
28、1800 BTS power class P1 (pico BTS). 4.2.1.4 OBTS controlled MS RF power 4.2.1.4.1 Definition When an MS is switched on, it first scans its RF environment, then selects one GSM cell to camp on and then decodes the System Information transmitted on the BCCH channel of that cell. One of the parameters
29、(MS_TXPWR_MAX_CCH) contained in the System Information (SI3) indicates to MS the maximum transmit power level that can be used by an MS during the initial access. 4.2.1.4.2 Limits The following parameters shall be set to the power control level 15 i.e. 0 dBm as stated for DCS 1800 MS (TS 145 005 1,
30、clause 4.1.1): - MS_TXPWR_MAX_CCH; - POWER_LEVEL; and - GPRS_MS_TXPWR_MAX_CCH (if PBCCH is implemented). POWER OFFSET shall be set to the value “0“ i.e. 0 dB (TS 145 008 3, clause 9 only applicable for class 3 DCS1800 MS). 4.2.2 OBTS Receiver Performance 4.2.2.1 OBTS Reference Sensitivity Level 4.2.
31、2.1.1 Definition The static reference sensitivity level of the receiver is the level of signal at the receiver input with a standard test signal at which the receiver will produce after demodulation and channel decoding data with a Frame Erasure Ratio (FER), Residual Bit Error Ratio (RBER) Bit Error
32、 Ratio (BER) or Block Error Ratio (BLER) better than or equal to that specified for a specific logical channel type under static propagation conditions. 4.2.2.1.2 Limits The limit for the OBTS reference sensivity level shall conform to the limits in clause 6.2 of TS 145 005 1 for the applicable DCS
33、1800 BTS power class P1 (pico BTS). ETSI ETSI EN 302 480 V1.1.2 (2008-04) 144.2.2.2 Unwanted emissions in the spurious domain 4.2.2.2.1 Definition Unwanted emissions in the spurious domain are emissions at frequencies, other than those of the transmitter carrier and sidebands associated with normal
34、modulation at the adjacent frequencies. 4.2.2.2.2 Limits The limit for the spurious emissions for the OBTS Receiver shall conform to the limits in clause 5.4 of TS 145 005 1. 4.2.3 NCU Transmitter Performance 4.2.3.1 NCU maximum mean power spectral density 4.2.3.1.1 Definition The mean power spectra
35、l density for a given reference bandwidth represents the ratio of the mean value of the measured power over the reference bandwidth and the reference bandwidth itself. 4.2.3.1.2 Limits The maximum mean power spectral density shall not exceed the value contained in table 2. Table 2: Power spectral de
36、nsity limit Frequency band (MHz) 460 to 470 921 to 960 1 805 to 1 880 2 110 to 2 170 Reference bandwidth 1,25 MHz 200 kHz 200 kHz 3,84 MHz Power (dBm within reference bandwidth) 25 20 23 24 NOTE 1: The values for frequency bands 900 MHz (20 dBm) and 1 800 MHz (23 dBm) have been taken from the upper
37、limit of the power class P1 (see TS 145 005 1, clause 4.1.2), for the 450 MHz (25 dBm) in C.S0011-C 4 and for the 2 110 MHz (24 dBm) in TS 125 104 5. NOTE 2: Conformance to the power limits shown in table 2 should not be interpreted as conformance of e.i.r.p. authorization limits as defined in the C
38、EPT/ECC/DEC/(06)07 14. 4.2.3.2 NCU power flatness 4.2.3.2.1 Definition The power flatness is the variation of the power over each operating frequency band. 4.2.3.2.2 Limits The power flatness shall be within 3 dB over each operating frequency band. 4.2.4 GSMOBA Transmitter Performance 4.2.4.1 Unwant
39、ed emissions in the out-of-band domain 4.2.4.1.1 Definition Unwanted emissions in the out-of-band domain are defined as the unwanted emissions outside the channel bandwidth resulting from the modulation process and non-linearity of the power amplifier in the transmitter and exclude the spurious emis
40、sions. ETSI ETSI EN 302 480 V1.1.2 (2008-04) 154.2.4.1.2 Limits Out-of-band emission power spectral density measured in 100 kHz bandwidth shall be attenuated relative to the maximum power spectral density in each operating frequency band by the minimum attenuation values and for the frequency bands
41、in table 3. Table 3: Frequency parameters 6 dB minimum attenuation 25 dB minimum attenuation 45 dB minimum attenuation Lower band limit f1 (MHz) Upper band limit f2 (MHz) Lower band limit fc- Bw*58 % (MHz) Upper band limit fc+ Bw*58 % (MHz) Lower band limit fc- Bw*75 % (MHz) Upper band limit fc+ Bw*
42、75 % (MHz) Lower band limit fc- Bw*250 % (MHz) Upper band limit fc+ Bw*250 % (MHz) 460 470 459,2 470,8 457,5 472,5 440 490 921 960 917,88 963,12 911,25 969,75 843 1 038 1 805 1 880 1 799,0 1 886,0 1 786,25 1 898,75 1 665 2 030 2 110 2 170 2 105,2 2 174,8 2 095 2 185 1 990 2 290 4.2.4.2 Unwanted emis
43、sions in the spurious domain 4.2.4.2.1 Definition Unwanted emissions in the spurious domain are emissions at frequencies, other than those of the transmitter carrier and sidebands associated with normal modulation at the adjacent frequencies. 4.2.4.2.2 Limits The maximum power shall not exceed: 1) w
44、hen the system is in standby state: - -57 dBm for 30 MHz f 1 GHz in 100 kHz bandwidth; - -47 dBm for 1 GHz f 12,75 GHz in 1 MHz bandwidth; 2) when the system is in active state: - -36 dBm for 30 MHz f 1 GHz in 100 kHz bandwidth; - -30 dBm for 1 GHz f 12,75 GHz in 1 MHz bandwidth. NOTE: The frequency
45、 boundary and the detailed transitions of the limits between the requirement for out band emissions and spectrum emissions are based on CEPT/ERC/REC 74-01 15. 4.2.4.3 Cessation of emissions 4.2.4.3.1 Definition When the GSMOBA system is in the active state and a condition to the altitude and the geo
46、graphical position of the aircraft requiring cessation of emissions occurs, the GSMOBA system shall automatically cease transmissions and enter into the standby state. 4.2.4.3.2 Specification When in the active state a condition to the altitude and the geographical position of the aircraft requiring
47、 cessation of emissions occurs, the GSMOBA system shall cease transmissions as described in figure 1 contained in clause 4.1.2 and enters the standby state. ETSI ETSI EN 302 480 V1.1.2 (2008-04) 165 Testing for compliance with technical requirements 5.1 Interpretation of results and measurement unce
48、rtainty 5.1.1 Environmental conditions for testing Tests defined in the present document shall be carried out at representative points within the boundary limits of the declared operational environmental profile (see clause B.3). Where the technical performance varies subject to environmental condit
49、ions, tests shall be carried out under a sufficient variety of environmental conditions (within the boundary limits of the declared operational environmental profile) to give confidence of compliance to the associated technical requirements. 5.1.2 Interpretation of the measurement results The interpretation of the measurement results recorded in a test report for the compliance testing described in the present document shall be as follows: - the measured value related to the corresponding limit shall be used to decide
