Keysight Technologies GPS Application Note 25 37500 12.5 2 300 1 6 3 4 5 1500 30 (TLM) 30 0.6 8 16 6 16 7 (HOW) 30 0.6 TOW (Time of week) ID 6
...3...3 GPS...4 GPS A-GPS...4 GPS...4 GPS...4 GPS...5 GPS...5 GPS...6 GPS...7 TTFF Time To First Fix...7 GPSGPS...9...9...9 GPS...10 TTFF...11...12...12...12...13...13...13...13 N7609B Signal Studio GPS...14...15...17...17...17 2
GPS GPS OEM GPS GPS GPS GPS GPS GPS GPS 20000 km 24 121 GPS L1L2 2 L1 1575.42 MHz L2 1227.60 MHzL2 L2 L1 1 24 GPS 1 L1L2 CDMA 2 1C/A Coarse Acquisition 1.023 MHz 1 ms2 10.23 MHz P Precise 1 P P Y C/A P PRNID GPS 155 dbm GPS NAVSTAR 1978 1994 24 8 12 L1 1.57542 GHz C/A 1.023 MHz 50 Hz P 10.23 MHz L2 1.2276 GHz 90 L1 2 L2 1. GPS 3
4 GPS GPS GPS GPS GPS GPS A-GPS A-GPS FCC E911 A-GPS TTFF Time To First Fix GPS A-GPS TTFF 6010 2 IP GPS GPS GPS 1 GPS 2 3 4 GPS GPS 1 2 3 4 GPS GPS GPS I/O GPS RF 1cm1 2 2. GPS LNA RF GPS I/O
5 GPS 20 30 db DC GPS GPS GPS GPSGPS GPS
GPS N5106A PXB N5182A MXG RFN7609B GNSSSignal Studio GPS GPS N5106A PXB N5182A MXG GPSBluetooth LAN LTE WiMAX N7609BGPS GPS N7609B 15 24 RFP GPS 88 - - - - A-GPS - GPS - - NMEA - - N5106A PXB PXBN7609B PC PXB AWGNPXB N5106A-JFP AWGN IQN5102A IQ 3. N5106A PXBN5182A MXG RF 6
GPS BER FER PER BLER GPS GPS L1 C F0 1,575,420,000 Hz ns 5,000 Hz GPS 50 /s 1,000,000 1 95 GPS 18 2 TTFF Time To First Fix TTFF Time To First FixTTFFGPS GPS GPS 7
1 2 100 m 1 24 7 1 15 4 TTFF 25 37500 12.5 2 300 1 6 3 4 5 1500 30 (TLM) 30 0.6 8 16 6 16 7 6 (HOW) 30 0.6 TOW (Time of week) ID 4. 8
9 GPS CDMA 5,000 Hz 10 20 18 TTFF TTFF 1 TTFFGPS GPS 1 GPS GPS GPS 1 2RF 3 4 5 OTA GPS 1 2 3 5 1GPS DCDC DC 2DC 3 155 dbm 8 125 150 dbm
GPS GPS TTFF TTFF PC USB 50 db DC GPS RF 5. GPS 10
TTFF 1.TTFF 2.TTFF 40 50 GPS TTFF TTFF TTFF TTFF TTFF TTFF 15 TTFF 15 15 3. TTFF TTFF 15 TTFF 15 15 11
12 1. 2. 3. GPS2 TTFF 100 TTFF
GPS RFI TTFF 1 1 TTFF GPS 1 GPS 13
N7609B Signal Studio GPS N7609B N5106A PXBN5182 MXG GPS GPS GPS N7609B GPS GPS TTFF Time to First Fix - - - - - - - 2 RF - GPS GPS GPS GPS NMEA PRNGPS 8960 A-GPS 14
5 N7609B GPSN5106A PXB RF N5182A MXG GPSu-blox AG u-blox EVK-5PU-center TTFF 6 GPS TTFF C/No db-hz TTFF GPS GPS GPS GPS GPS RF N7609B GPS ECEF GPS TTFF Time To First Fix C/No 6. U-centeru-blox 7. N7609B GPS 7N7609B 15
GPS GPS 8 1 km 100 km GPS N7609B GPS GPS GPS N7609B GPS GPS GPS NMEA GGA N7609B1 9 10 8.GPS 9.N7609B 16
10. N7609B GPS TIFF GPS GPS RF GPS Keysight N7609B GNSS Signal StudioN5106A PXB N5182A MXG PXB/ MXG GPS ION STD 101:Recommended Test Procedures for GPS Receivers, Revision C, Institute of Navigation, 1997 ISBN: 0936406046 Keysight E4438C ESG Configuration Guide 5988-4085JA Keysight GPS E4438C ESG 409 Product Overview 5988-6256JA Keysight N5106A PXB Baseband Generator and Channel Emulator Data Sheet 5989-8971EN Keysight N5182A MXG and N5162A MXG ATE Vector Signal Generators Data Sheet 5989-5261EN www.keysight.co.jp/find/n7609b www.keysight.co.jp/find/e4438c-409 www.keysight.co.jp/find/agps www.keysight.co.jp/find/e4438c www.keysight.co.jp/find/n5106a www.keysight.co.jp/find/n5182a 17
18 Keysight GPS - Application Note BluetoothBluetoothBluetooth SIG WiMAX Mobile WiMAX WiMAX Forum WiMAX ForumWiMAX Forum Certified WiMAX Forum CertifiedWiMAX Forum Keysight Technologies, 2010-2015 Published in Japan, January 6, 2015 5990-4943JAJP 0000-00DEP www.keysight.co.jp