VISIBLE LIGHT COMMUNICATION IN VEHICULAR NETWORKS
- 1. Visible Light Communication in Vehicular Networks A Step Toward Smarter Transportation Systems Presented by: K.A.K.T.GIHAN Index NO : 21/ENG/066
- 2. Introduction • Visible Light Communication (VLC): High- speed data transmission using visible light. • Vehicular Communication: Essential for safety, traffic management, and autonomous driving. • Relevance to 6G Networks: - High data rates, low latency, enhanced security. - Addresses RF spectrum congestion.
- 3. Objectives 1. EXPLORE VLC FEASIBILITY IN VEHICULAR NETWORKS. 2. DEVELOP A HYBRID VLC-RF FRAMEWORK FOR SEAMLESS COMMUNICATION. 3. OPTIMIZE MODULATION TECHNIQUES AND RESOURCE ALLOCATION. 4. ADDRESS REAL- WORLD CHALLENGES LIKE MOBILITY AND INTERFERENCE. 5. EVALUATE VLC’S POTENTIAL TO COMPLEMENT RF TECHNOLOGIES.
- 4. Literature Review • VLC Technology: - Uses LEDs for energy-efficient, high-speed data transmission. • Applications in Vehicular Networks: - Enhances traffic safety and management. • Relevance to 6G Networks: - Supports ultra- reliable low-latency communication (URLLC). • Challenges: - Environmental interference, line- of-sight dependency.
- 5. Modulation Techniques • On-Off Keying (OOK): Simple, low power, limited data rate. • Pulse Position Modulation (PPM): Power-efficient, needs synchronization. • Orthogonal Frequency-Division Multiplexing (OFDM): High efficiency, complex. • Color Shift Keying (CSK): Multi- channel, requires calibration. • Hybrid Techniques: Combines multiple methods for adaptability.
- 7. Proposed Solution/Framework • System Overview: - Hybrid VLC-RF framework with VLC nodes, RF nodes, and data fusion. • Architecture Layers: 1. Perception Layer: Data collection hardware. 2. Network Layer: Protocols for data fusion and handover. 3. Application Layer: Traffic management, safety alerts. • Benefits: Enhanced spectrum utilization, reliability, energy efficiency.
- 8. Methodology 1. Literature Review: Identify gaps and state-of-the-art methods. 2. System Design: Develop architecture, define performance metrics. 3. Implementation: Test modulation techniques, develop algorithms. 4. Simulation and Analysis: Evaluate data rate, latency, reliability. 5. Validation: Compare results with benchmarks and experimental data.
- 9. Expected Outcomes • Technical Advancements: - Hybrid VLC-RF framework with adaptive handover. • Performance Improvements: - Enhanced spectrum efficiency, reduced latency. • Practical Applications: - Reliable V2V and V2I communication. - Integration into smart cities for traffic management. • Contribution to 6G: - Alignment with ultra-reliable low-latency communication. sada
- 10. Timeline and Resources • Timeline: • Resources: 1 - Week 1–2: Research. 2 - Week 3–4: System Design. 3 - Week 5–8: Implementat ion. 4 - Week 9–11: Simulation and Analysis. 5 - Week 12: Documentati on and Presentation . Hardware: LEDs, photodetectors, RF modules Software: MATLAB, NS-3, Python.
- 11. Conclusion • VLC offers a transformative approach to vehicular communication. • Hybrid VLC-RF framework aligns with 6G goals. • Contributes to sustainable and smarter transportation systems.
- 12. Questions? • Thank you! Feel free to ask any questions.