Agenda. Agilent GPS Receiver Test Solutions. GPS technology concepts. Basic tests required for GPS receiver verification Test solutions

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1 Agenda GPS technology concepts GPS and GNSS overview Assisted GPS (A-GPS) Basic tests required for GPS receiver verification Test solutions Signal creation for GPS receiver test A-GPS test systems Agilent GPS Receiver Test Solutions E4438C-409 GPS Personality ESG Signal Generator Real-time GPS Signal Generation for Manufacturing and GPS verification Perform standard GPS verification tests Time To First Fix (TTFF) Accuracy Sensitivity Pre-configured red scenarios 8 satellites simulation Up to 4 hours simulation time A-GPS Bench-top Solution with the 8960 Basic GPS verification without impairments N7609B Signal Studio for Global l Satellite Navigation Systems (GNSS) MXG Signal Generator or ESG Signal Generator PXB Baseband Generator and Channel Emulator Real-time GPS Signal Generation for R&D Perform standard GPS verification tests with impairments: Multipath signals (24 total channels) Real-time control of satellite visibility and power Introduce atmospheric effects (ionospheric and tropospheric) Add calibrated AWGN Edit or create new scenarios (option RFP) Up to 15 visible satellites Moving GPS receiver scenarios Up to 8 hours simulation time (8 channels) A-GPS Pre-conformance Solution with the 8960 Advanced GPS verification with impairments for full characterization

2 N7609B Signal Studio for GNSS PERFORMANCE: Create the GPS signals required for full GPS receiver verification FLEXIBILITY: PXB/MXG platform will allow signal creation of other wireless standards EXPANDABILITY: Integrate into A-GPS pre-conformance system with 8960 addition Agilent N5106A PXB Baseband Generator and Channel Emulator Recent new features in blue Industry-Leading Baseband Performance Up to 6 baseband generators (BBG) 120 MHz BW & 512 MSa of playback memory per BBG Support I/Q outputs or upconvert to RF with ESG/MXG 512 MSa RF and digital I/Q signal capture Advanced Channel Emulation with AWGN Up to 8 real-time faders with up to 24 paths/fader and dynamic fading Supports MIMO fading and channel models, antenna setup, and custom correlation matrix Comprehensive Signal Creation Tools Multi-frame Signal Studio applications running in the PXB Arb: LTE FDD, Mobile WiMAX, W-CDMA, GSM/EDGE, WLAN, digital it video, LTE TDD, TD-SCDMA Real-time: LTE FDD, GPS, DVB-T/H Support Matlab, SystemVue, ADS waveform playback Save Time, Maximize the Value of Your Investment Automated power calibration including RF instruments in seconds Leverage existing MXA for RF input, MXG/ESG for RF output, and N5102A for digital I/Q input/output On site upgrade of baseband and I/O cards in one hour On-site upgrade of baseband and I/O cards in one hour Page 4

3 Real-time Satellite Simulation with 24 Channels Navigation Mode Real-world ld GPS satellite signals with actual navigation data Simulate up to 15 satellites 24 channels can be used for lineof-sight satellite signals or multipath signals Up to 8 hours playback time with 8 satellites Stationary (static) or moving GPS receiver (dynamic) scenarios Screen shot from u-center software by u-blox AG N7609B User Interface Real-time Individual Satellite Control Turn off these 5 satellites Reduce power in these 3 satellites by 6 db N7609B User Interface Screen shot from u-center software by u-blox AG

4 24 Channel Simulation Static Test Mode Test satellite tracking capability of a GPS receiver or IC 24 channels Select SV PRN ID Individual power, delay (in chips or ms), and Doppler shift settings Custom 30-bit GPS word input Unlimited playback time Scenario Generation (Option RFP) Create scenarios for any time, date, and location Create static or dynamic scenarios for stationary ti or moving GPS receivers Up to 15 satellites (depends on scenario) Specify moving scenarios through a NMEA (GGA) format file Include ionospheric or tropospheric impairment models Specify elevation mask for urban canyon environment For A-GPS: Input ephemeris data into the scenario Output ephemeris and A-GPS assistance data for each scenario

5 Scenario Editing (Option RFP) Customize scenarios with multipath impairments Add multipath th signals for any visible satellite Up to 24 channels (combined satellite and multipath) Specify Doppler shift, delay, and power offset for each multipath Other editing features: Delete channel Channel power offset Equalize all satellite power Trim scenario play time Scenario Editing Graphical Display of Channels & Satellites vs. Time

6 N7609B + PXB and MXG/ESG Summary Reliability and repeatability in GPS signal simulation Perform standard GPS receiver er tests Time to First Fix (Cold, warm, or hot start conditions) Location accuracy (Relative, absolute, moving receiver, satellite tracking) Sensitivity (acquisition and tracking) Interference testing (requires 2 nd RF source) Flexibility in configuring and customizing GPS receiver tests signals Stationary or moving GPS receiver conditions Satellite channel power adjustments in real-time Introduction of multipath signals Reduced satellite visibility (partial or complete loss of visibility) Introduce ionospheric and tropospheric impairments GPS signals with calibrated AWGN N7609B + PXB and MXG/ESG Summary Scenario generation capability Stationary or moving GPS receiver scenarios NMEA (GAA format) file input mode for scenario creation Up to 8 hours playback time with 8 channels Scenario editing Create custom scenarios with the following editing capabilities Multipath th impairmenti Individual satellite power adjustments Deletion of specific satellites visibility during the scenario playback period Static test mode Test GPS tracking capability for any combination of satellite PRNs (varying Doppler shift, power, and delay settings) Ability to integrate into A-GPS test solution with the 8960

7 Agenda GPS technology concepts GPS and GNSS overview Assisted GPS (A-GPS) Basic tests required for GPS receiver verification Test solutions Signal creation for GPS receiver test A-GPS test systems A-GPS Test Solution Overview Satellite Simulator (E4438C-409 ESG or N7609B with PXB) GPS Assistance Server Assistance Data Cellular Network User

8 A-GPS Test Solution Overview Satellite Simulator (E4438C-409 ESG or N7609B with PXB) A-GPS Data GPS Assistance Server Assistance Data Cellular Network Assistance Data User Control Plane mode Base Station Emulator (8960 Series Wireless Communications Test Set) A-GPS Test Solution Overview Satellite Simulator (E4438C-409 ESG or N7609B with PXB) A-GPS Data GPS Assistance Server Location Server Emulator (E6965A Software) User Plane mode Cellular Network Assistance Data Assistance Data User Base Station Emulator (8960 Series Wireless Communications Test Set)

9 CTIA Over-the-Air (OTA) Mobile Phone Testing U.S. wireless carriers require compliance to CTIA specs, which mandate OTA A-GPS testing Key test is Total Isotropic Sensitivity (TIS), performed in an anechoic chamber with antenna positioning system: measures GPS receiver sensitivity under A-GPS conditions and GPS antenna patterns Test systems available from Agilent partners ETS-Lindgren and Satimo, incorporating E4438C ESG signal generator with Opt. 409 GPS personality, 8960 with Lab Application, and custom test t software/drivers Design Verification and Pre-Conformance Test GS-9000 A-GPS Design Verification Test Systems: Scalable systems for R&D engineers who are designing and testing A-GPS capabilities in chipsets and mobile devices. Solutions cover GSM, W-CDMA, and cdma2000. GS-9000 Lite R&D Product Life Cycle Prototype Phase Pre-Certification Certification GS-9000 Standard

10 GS-9000 Lite Capabilities: Bench top System for R&D 3GPP Defined Test Cases 2G/3G (51.010/34.171) Sensitivity Coarse Time Alignment ( /5.2.1) 1/5 1) Nominal Accuracy ( /5.3) Dynamic Range ( /5.4) GPS and A-GPS measurements TTFF (time to first fix) Raw satellite data (Satellite ID, C/No, Doppler, Code Phase, and Pseudo Range Error) Reporting of latitude and longitude with mobile based methodology 2D error calculation and reporting Multiple GPS scenarios (8) Flexibility to test beyond the standards for R&D Individual satellite power control GPS time advancing Sensitivity searches Power sweeps User friendly GUI, test executive, test automation GS-9000 Standard Capabilities: Comprehensive System for Pre-Conformance Test 3GPP Defined Test Cases 2G/3G (51.010/34.171) Sensitivity Coarse Time Alignment ( /5.2.1) Sensitivity Fine Time Alignment ( /5.2.2) Nominal Accuracy ( /5.3) Dynamic Range ( /5.4) Multi-path performance ( /5.5) Moving Scenario and Periodic Update (5.6) GPS and A-GPS Measurements Support A-GPS over the user plane with the E6965A Location Server Emulator (SUPL server) TTFF (time to first fix) Raw satellite data (Satellite ID, C/No, Doppler, Code Phase, and Pseudo Range Error) Positions estimation with Mobile-Assisted methodology Reporting of latitude and longitude with mobile based methodology 2D error calculation and reporting Multiple GPS scenarios (12) Flexibility to test beyond the standards for R&D Individual satellite power control GPS time advancing Sensitivity searches Power sweeps User defined GPS scenarios Complete test executive for test plan creation and execution

11 For More Information Agilent Resources Application Notes: GPS Receiver Testing, Literature number EN Functional A-GPS Receiver Testing Using 8960 Wireless Communications Test Set and E4438C ESG Vector Signal Generator, Literature number EN 9141EN Agilent GPS solutions: Agilent A-GPS solutions: Upcoming Webcast on Feb. 4th: How to Test A-GPS Capable Cellular Devices and Why Testing is Required Industry Resources GPS Tutorials and Links: U.S. Coast Guard Navigation Center: GPS status, almanacs, link to ephemeris data, general GPS information: European Space Agency: Information on Galileo: Russian Space Agency: Information on GLONASS, almanac: ru