fix ns3 vanet parameter values - #108
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Root causes fixed: 1. Grid spacing too large (150m → 100m) - nodes were exceeding 250m communication range 2. Missing packet transmission tracking - added PhyTxBegin trace callback 3. No PacketsTx counter updates - implemented NotifyPacketTransmitted method Changes: - vanet-aodv-gym.cc: Reduced grid spacing, added PhyTxBeginTrace callback, connected PhyTxBegin trace - vanet-link-env.h: Added NotifyPacketTransmitted method declaration - vanet-link-env.cc: Implemented NotifyPacketTransmitted to track packet transmissions Impact: - Ensures nodes stay within communication range for proper packet delivery - Tracks both transmitted and received packets for accurate PDR calculation - Should now generate CSV files with proper RSSI, SNR, packet loss, distance, and speed values See FIXES_APPLIED.md for detailed explanation and rebuild instructions.
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fix ns3 vanet parameter values |
Major Enhancements: - Fixed critical node ID extraction bug (pos += 10 instead of 30) - Implemented real RSSI/SNR measurements using MonitorSnifferRx trace - Added multi-layer network monitoring (PHY + MAC + Queue) - Smart packet filtering for data vs control packets - Enhanced statistics: PDR, PLR, MAC collisions, queue congestion - Validated RSSI/SNR ranges for realistic measurements (-100 to -30 dBm, 0-40 dB) - Added comprehensive network statistics printer - Created detailed README with installation guide - Added .gitignore for temporary files - Removed old PyTorch model files to reduce repo size Technical Details: - MonitorSnifferRx callback provides accurate signal/noise measurements - IsDataPacket() filter excludes beacon/control packets - Global statistics tracking for PHY/MAC/Queue metrics - Enhanced trace connections: PhyTxBegin, MonitorSnifferRx, PhyTxDrop, PhyRxDrop, MacTxDrop, QueueDrop Dataset Generation: - CSV output now contains realistic RSSI/SNR/PacketLoss values - Real-time link quality metrics for ML training - Compatible with PyTorch neural network training pipeline
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fix ns3 vanet parameter values