Geneva University Friday, 11 April 2008 BACHELOR PROJECT GPS Receiver Simulator SkyFreeGPS Alina Burca

- 2 - SkyFreeG PS Application Overview Context Use casesProject overview EvolutionQuestions Alina Burca, April 2008 GPS in summary Satellite System Bluetooth GPS receiver Satellite signal Bluetooth enabled device Bluetooth Connection NMEA standard communication protocol Digital Compact Camera Portable GPS Navigation System PDA Mobile Phone Context

- 3 - SkyFreeG PS Application Overview Context Use casesProject overview EvolutionQuestions Alina Burca, April 2008 Components ▪Antenna set to the satellites frequency ▪Central unit ▪Highly stable clock ▪Bluetooth component ▪Screen - optional National Marine Electronics Association NMEA standard ▪Talker & listener ▪Sentences : RMC and CGA Bluetooth GPS receivers Context

- 4 - SkyFreeG PS Application Overview Context Use casesProject overview EvolutionQuestions Alina Burca, April 2008 GPS based applications for mobile phones FoxyTag TrekkBuddy GPS Performance Telmap Navigator GPS 8Motions Map My Tracks bliin GPSXSGPSGate Mobile Wisepilot Mobile GMaps GPSWatch Plus NavFun Pro amAze GPS Track InFlight vlkGPS Trapster Mobile J2Velox Velox Geocache Navigator PostByME Ramble Coach IMHere GPSLap Timing Digi-Guide Context

- 5 - SkyFreeG PS Application Overview Context Use casesProject overview EvolutionQuestions Alina Burca, April 2008 What do you need? ▪Java 2 Platform, Micro Edition - J2ME ▪Mobile phone emulator like the Sun’s Java Wireless Toolkit for CLDC – WTK How does it work? From.java files to.jad.jar files Developing a mobile phone application Context

- 6 - SkyFreeG PS Application Overview Context Use casesProject overview EvolutionQuestions Alina Burca, April 2008 What makes the testing phase so complicated Developing a GPS based application Build the package Install it on the mobile phone Open GPS receiver and get a fix Connect the phone to the GPS receiver Now you can test And also move! But don’t lose GPS signal! Phase one indoorPhase two outdoor Correct the application, go back to phase one and try not to end up like this Context

- 7 - SkyFreeG PS Application Overview Context Use casesProject overview EvolutionQuestions Alina Burca, April 2008 How does SkyFreeGPS makes a difference? Test your application directly on the development support No need for a valid fix for the GPS receiver No need to watch your way or the road Simulate situations difficult to get in real life conditions: certain speed, specific location Using a GPS receiver simulator solution What is SkyFreeGPS A GPS receiver simulator Open source software developed in J2ME Works in WTK Available in English Application overview

- 8 - SkyFreeG PS Application Overview Context Use casesProject overview EvolutionQuestions Alina Burca, April 2008 SkyFreeGPS Overview Main Features Generates two kinds of NMEA sentences each second Allows the use of maps Allows the use of the pointer Saves log files Imports tracks from files Defines POIs Generating NMEA sentences Real Time Mode Track Mode Keyboard Mode Log File Mode Application overview

- 9 - SkyFreeG PS Application Overview Context Use casesProject overview EvolutionQuestions Alina Burca, April 2008 Use Modes Use cases Real time mode Log file mode Track mode Keyboard mode Real time mode Generates NMEA sentences based on the current pointer’s position on the map Track mode Generates NMEA sentences based on calculated positions on the user defined track Keyboard mode Log File Mode Sends sentences from a log file

SkyFreeG PS Application Overview Context Use casesProject overview EvolutionQuestions Alina Burca, April 2008 Project overview and state of the art Project Overview Similar applications ▪None developed in J2ME with the same specifications ▪Several developed on other platforms but not free: Skylab GPS simulator, Avangardo GPS generator std 2.2.4, Virtual GPS 1.33 Developments ▪Interface improvement ▪Map zoom in/out ▪Integrate calibrated maps with the application ▪Integrate Google/Yahoo maps Main objectives ▪Build correct NMEA sentences ▪Use of maps and pointer

SkyFreeG PS Application Overview Context Use casesProject overview EvolutionQuestions Alina Burca, April 2008 SkyFreeGPS Evolution Evolution Best case scenario ▪Becomes a WTK integrated toolkit Realistic scenario ▪Saves time and energy to this particular developer’s community Worst case scenario ▪Developers don’t know about it Visit the Website for more information

SkyFreeG PS Application Overview Context Use casesProject overview EvolutionQuestions Alina Burca, April 2008 SkyFreeGPS at your service Good luck in developing your next GPS based application !!! Sincere thanks to all those involved in this project QUESTIONS Questions ?????