Position determination. If the AECS is fitted, in accordance with paragraph 1.4. and not yet verified according to Part Ib of this Regulation, with GNSS receiver supporting at least three GNSS including GLONASS, GALILEO and GPS, and is able to receive and process SBAS signals, then the AECS shall comply with the requirements of paragraphs 26.3.1. to 26.3.11. AECS compliance with respect to positioning capabilities shall be demonstrated by performing test methods described in Annex 10: Test methods for the navigation module. It shall be indicated in the communication document of Annex 3, item 11. 26.3.1. The AECS shall be able to output the navigation solution in a NMEA-0183 protocol format (RMC, GGA, VTG, GSA and GSV message). The AECD set-up for NMEA-0183 messages output to external devices shall be described in the operation manual. 26.3.2. The AECS shall be able to receive and process individual GNSS signals of standard accuracy in L1/E1 band from at least three global navigation satellite systems, including GLONASS, GALILEO, GPS. 26.3.3. The AECS shall be able to receive and process combined GNSS signals of standard accuracy in L1/E1 band from at least three global navigation satellite systems, including GLONASS, GALILEO, GPS and SBAS. 26.3.4. The AECS shall be able to provide positioning information in WGS-84 coordinate systems. 26.3.5. The GNSS receiver shall be able to obtain a position fix at least every second. 26.3.6. Horizontal position error shall not exceed: (a) Under open sky conditions: 15 m at confidence level of 0.95 probability with a PDOP in the range from 2.0 to 2.5; (b) In urban canyon conditions: 40 m at confidence level of 0.95 probability with a PDOP in the range from 3.5 to 4. 26.3.7. The specified requirements for accuracy shall be provided: (a) At speed range from 0 to 140 km/h; (b) Linear acceleration range from 0 to 2g. 26.3.8. Cold start time to first fix shall not exceed: (a) 60 s for signal level down to minus 130 dBm; (b) 300 s for signal level down to minus 140 dBm. 26.3.9. GNSS signal re-acquisition time after block out of 60 s at signal level down to minus 130 dBm shall not exceed 20 s after recovery of the navigation satellite visibility. 26.3.10. Sensitivity at receiver input shall be: (a) GNSS signals detection (cold start) do not exceed 3,600 s at signal level on the antenna input of the AECS of minus 144 dBm; (b) GNSS signals tracking and navigation solution calculation is available for at least 600 s at signal level on the antenna input of the AECS of minus 155 dBm; (c) Re-acquisition of GNSS signals and calculation of the navigation solution is possible and does not exceed 60 s at signal level on the antenna input of the AECS of minus 150 dBm. 26.3.11. The testing procedures in Annex 10 can be performed either on the AECS including post-processing ability or directly on the GNSS receiver as a part of the AECS.
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Samples: Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations, Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles
Position determination. If the AECS is fitted, in accordance with paragraph 1.4. and not yet verified according to Part Ib of this Regulation, with GNSS receiver supporting at least three GNSS including GLONASS, GALILEO and GPS, and is able to receive and process SBAS signals, then the AECS shall comply with the requirements of paragraphs 26.3.1. to 26.3.11. AECS compliance with respect to positioning capabilities shall be demonstrated by performing test methods described in Annex 10: Test methods for the navigation module. It shall be indicated in the communication document of Annex 3, item 1110.
26.3.1. The AECS shall be able to output the navigation solution in a NMEA-0183 protocol format (RMC, GGA, VTG, GSA and GSV message). The AECD set-AECS set- up for NMEA-0183 messages output to external devices shall be described in the operation manual.
26.3.2. The AECS shall be able to receive and process individual GNSS signals of standard accuracy in L1/E1 band from at least three global navigation satellite systems, including GLONASS, GALILEO, GPS.
26.3.3. The AECS shall be able to receive and process combined GNSS signals of standard accuracy in L1/E1 band from at least three global navigation satellite systems, including GLONASS, GALILEO, GPS and SBAS.
26.3.4. The AECS shall be able to provide positioning information in WGS-84 coordinate systems.
26.3.5. The GNSS receiver shall be able to obtain a position fix at least every second.
26.3.6. Horizontal position error shall not exceed:
(a) Under open sky conditions: 15 m at confidence level of 0.95 probability with a PDOP in the range from 2.0 to 2.5;
(b) In urban canyon conditions: 40 m at confidence level of 0.95 probability with a PDOP in the range from 3.5 to 4.
26.3.7. The specified requirements for accuracy shall be provided:
(a) At speed range from 0 to 140 km/h;
(b) Linear acceleration range from 0 to 2g.
26.3.8. Cold start time to first fix shall not exceed:
(a) 60 s for signal level down to minus 130 dBm;
(b) 300 s for signal level down to minus 140 dBm.
26.3.9. GNSS signal re-acquisition time after block out of 60 s at signal level down to minus 130 dBm shall not exceed 20 s after recovery of the navigation satellite visibility.
26.3.10. Sensitivity at receiver input shall be:
(a) GNSS signals detection (cold start) do not exceed 3,600 s at signal level on the antenna input of the AECS of minus 144 dBm;
(b) GNSS signals tracking and navigation solution calculation is available for at least 600 s at signal level on the antenna input of the AECS of minus 155 dBm;
(c) Re-acquisition of GNSS signals and calculation of the navigation solution is possible and does not exceed 60 s at signal level on the antenna input of the AECS of minus 150 dBm.
26.3.11. The testing procedures in Annex 10 can be performed either on the AECS including post-processing ability or directly on the GNSS receiver as a part of the AECS.
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Position determination. If the AECS is fitted, in accordance with paragraph 1.4. and not yet verified according to Part Ib of this Regulation, with GNSS receiver supporting at least three GNSS including GLONASS, GALILEO and GPS, and is able to receive and process SBAS signals, then the AECS shall comply with the requirements of paragraphs 26.3.1. to 26.3.11. AECS compliance with respect to positioning capabilities shall be demonstrated by performing test methods described in Annex 10: Test methods for the navigation module. It shall be indicated in the communication document of Annex 3, item 1110.
26.3.1. The AECS shall be able to output the navigation solution in a NMEA-0183 protocol format (RMC, GGA, VTG, GSA and GSV message). The AECD AECS set-up for NMEA-0183 messages output to external devices shall be described in the operation manual.
26.3.2. The AECS shall be able to receive and process individual GNSS signals of standard accuracy in L1/E1 band from at least three global navigation satellite systems, including GLONASS, GALILEO, GPS.
26.3.3. The AECS shall be able to receive and process combined GNSS signals of standard accuracy in L1/E1 band from at least three global navigation satellite systems, including GLONASS, GALILEO, GPS and SBAS.
26.3.4. The AECS shall be able to provide positioning information in WGS-84 coordinate systems.
26.3.5. The GNSS receiver shall be able to obtain a position fix at least every second.
26.3.6. Horizontal position error shall not exceed:
(a) Under open sky conditions: 15 m at confidence level of 0.95 probability with a PDOP in the range from 2.0 to 2.5;
(b) In urban canyon conditions: 40 m at confidence level of 0.95 probability with a PDOP in the range from 3.5 to 4.
26.3.7. The specified requirements for accuracy shall be provided:
(a) At speed range from 0 to 140 km/h;
(b) Linear acceleration range from 0 to 2g.
26.3.8. Cold start time to first fix shall not exceed:
(a) 60 s for signal level down to minus 130 dBm;
(b) 300 s for signal level down to minus 140 dBm.
26.3.9. GNSS signal re-acquisition time after block out of 60 s at signal level down to minus 130 dBm shall not exceed 20 s after recovery of the navigation satellite visibility.
26.3.10. Sensitivity at receiver input shall be:
(a) GNSS signals detection (cold start) do not exceed 3,600 s at signal level on the antenna input of the AECS of minus 144 dBm;
(b) GNSS signals tracking and navigation solution calculation is available for at least 600 s at signal level on the antenna input of the AECS of minus 155 dBm;
(c) Re-acquisition of GNSS signals and calculation of the navigation solution is possible and does not exceed 60 s at signal level on the antenna input of the AECS of minus 150 dBm.
26.3.11. The testing procedures in Annex 10 can be performed either on the AECS including post-processing ability or directly on the GNSS receiver as a part of the AECS.
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