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Jeremy Foran [BAI Communications] | Detecting Subway Overcrowding in Real Time Using InfluxDB | InfluxDays Virtual Experience London 2020

Jeremy Foran [BAI Communications] | Detecting Subway Overcrowding in Real Time Using InfluxDB | InfluxDays Virtual Experience London 2020

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Jeremy Foran [BAI Communications] | Detecting Subway Overcrowding in Real Time Using InfluxDB | InfluxDays Virtual Experience London 2020

  1. 1. Jeremy Foran BAI Communications Detecting subway overcrowding in real-time using InfluxDB
  2. 2. BAI Communications around the globe Broadcast Transit5G Neutral Host
  3. 3. BAI Communications – What we do
  4. 4. Challenges facing transit authorities
  5. 5. Transit technology roadmap
  6. 6. Rail business objectives InvestmentNudge Riders Rider SafetyResource Planning
  7. 7. The problem - platform overcrowding
  8. 8. BAI Canada’s introduction to InfluxDB
  9. 9. 200k 5m 100k 900+ All 75 Over 72km Providing Wi-Fi to Toronto transit passengers
  10. 10. Large public Wi-Fi networks
  11. 11. Emulating Wi-Fi users { "dns_resolve_time": 1.0901, "bitrate": 57.7, "domain": "BAI", "link_quality": 70, "dhcp_time": 0.3489, "epoch_time": 1547838171, "ap_mac": "XX:XX:XX:XX:XX:XX", "ap_association_time": 0.0607, "second_redirect_time": 1.4279, "first_redirect_time": 0.0576, "third_redirect_time": 5.4129, "temp_mac_address": " XX:XX:XX:XX:XX:XX", "connect_button_time": 0.7594, "signal_strength": -15, "ssid_scan_time": 2.8825, "device_id": "rpi-03", "cnn_redirect_time": 0.5987 }
  12. 12. Our solution
  13. 13. Figure 1: TTC survey data from Wednesday May 18th, 2016 vs unique Wi-Fi users from an “average” Wednesday produced from four individual dates TTC COUNTER DATA vs. WI-FI ACTIVITY Will the Wi-Fi data correlate?
  14. 14. Morning rush Evening rush What the data looks like Start of service End of service
  15. 15. Teasing out issues
  16. 16. The solution pipeline
  17. 17. Communicating the information in real-time
  18. 18. Summary • Rail operators need real time information on platform overcrowding in order to address safety concerns • Existing wireless infrastructure can be leveraged to deliver this value add • InfluxDB enabled us to quickly and efficiently develop this platform overcrowding solution
  19. 19. Thank you Contact: Jeremy.foran@baicommunications.com

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