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Measure and model vehicular-to-infrastructure communication

Measure and model vehicular-to-infrastructure communication. Abstract. Vehicular ad hoc network (VANET) Problem defined A self-organization based broadcast scheme. Vehicular ad hoc network (VANET). Ad hoc network Mobile ad hoc network Vehicular ad hoc network Communication Types

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Measure and model vehicular-to-infrastructure communication

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  1. Measure and model vehicular-to-infrastructure communication

  2. Abstract • Vehicular ad hoc network (VANET) • Problem defined • A self-organization based broadcast scheme

  3. Vehicular ad hoc network (VANET) • Ad hoc network • Mobile ad hoc network • Vehicular ad hoc network • Communication Types • Vehicle to vehicle • Vehicle to Infrastructure

  4. VEHICLE TO VEHICLE Grass Divider Not to Scale

  5. Vehicle TO Infrastructure Traffic Signal- Red Traffic Signal - Green up to 825 ft range Traffic Signal Radio Communication Traffic Signal Intersection Radio Mobile Radio

  6. A traffic jam in intersection Traffic Signal- Red Traffic Signal - Green Traffic Signal Radio Communication Traffic Signal Intersection Radio Mobile Radio

  7. Problem defined • Periodical broadcast some information on vehicle • Packet collision • Especial in traffic jam • A self-organization based broadcast scheme

  8. Goal of this proposal • Measure V2I communication • Packet lose rate • Packet delivery rate • Delay time • Refer to difference velocity, density, etc. • Reduce packet collision • Not only apply on V2I but also suit on V2V

  9. A self-organization based broadcast scheme • Basic idea • Adjust broadcast interval by itself • Packets received can be referred • Information delivery from RSU can be referred

  10. Adjustment Function on a vehicle Packets Received (From RSU and OBU) Filter parameters: Position Velocity Direction Etc. Filter Function based and layered based may be designed after intersection testing. Adjustment Function Equation based Or Layered based Broadcasting

  11. Steps of this proposal • Try To gather traffic information form websites. • Create broadcast packets base on the gather information. • Design a self-organization broadcast scheme • Compare with original and proposed scheme performance using simulator. They may include packet lose rate, success rate, delay time, etc.

  12. Real-Time Traffic Information

  13. Real-Time Traffic Information (Cont.)

  14. The EndThank you

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