2.4. Movement in shadow areas, areas of intermittent reception of navigation signals and urban canyons. 2.4.1. Repeat test procedures described in paragraph 2.3. for simulation script for movement in shadow areas and areas of intermittent reception of navigation signals (Table 9) with an urban canyon signal pattern described in Figure 3. 9 Main parameters of movement in shadow areas and areas of intermittent reception of navigation signals Simulated parameter Value Test duration, hh:mm:ss 01:00:00 Output frequency 1 Hz AECD/AECS location Any specified land between latitude range 80°N and 80°S in coordinate system WGS84. Model of movement: Manoeuvring movement - speed, km/h; 140 - turn radius, m; 500 - turn acceleration, m/s2 0.2 Satellite visibility: - signal visibility intervals, s; 300 - signal absence intervals, s. 600 Troposphere: Standard predefined model by the GNSS simulator. Standard predefined model by the Ionosphere: GNSS simulator. PDOP value 3.5 PDOP 4 in the test time ≤ ≤ interval. Simulated signals Combined GLONASS / Galileo / GPS / SBAS. Signal strength: - GNSS GLONASS; 141 dBm; - GNSS Galileo; 135 dBm; - GNSS GPS. minus 138.5 dBm. Number of simulated satellites: - at 6 GLONASS satellites; - at least 6 Galileo satellites; - at 6 GPS satellites; - at 2 SBAS satellites. Figure 3 Urban canyon definition Zone Elevation range (deg) Azimuth range (deg)
2.4. Movement in shadow areas, areas of intermittent reception of navigation signals and urban canyons. 2.4.1. Repeat test procedures described in paragraph 2.3. for simulation script for movement in shadow areas and areas of intermittent reception of navigation signals (Table 9) with an urban canyon signal pattern described in Figure 3. 9 Main parameters of movement in shadow areas and areas of intermittent reception of navigation signals Simulated parameter Value Test duration, hh:mm:ss 01:00:00 Output frequency 1 Hz AECD/AECS location Any specified land between latitude range 80°N and 80°S in coordinate system WGS84. Model of movement: - speed, km/h; - turn radius, m; - turn acceleration, m/s2 Manoeuvring movement 140 500 0.2 Satellite visibility: - signal visibility intervals, s; - signal absence intervals, s. 300 600 Troposphere: Ionosphere: Standard predefined model by the GNSS simulator. Standard predefined model by the GNSS simulator. PDOP value 3.5 ≤ PDOP ≤ 4 in the test time interval. Simulated signals Combined GLONASS / Galileo / GPS / SBAS. Signal strength: - GNSS GLONASS; - GNSS Galileo; - GNSS GPS. 141 dBm; 135 dBm; minus 138.5 dBm. Number of simulated satellites: - at 6 GLONASS satellites; - at least 6 Galileo satellites; - at 6 GPS satellites; - at 2 SBAS satellites. Figure 3 Urban canyon definition Zone Elevation range (deg) Azimuth range (deg)
ECE-TRANS-WP29-2017-132e.docx