1. A Simple Introduction to Lightning Protocol
Qixin Wang
Dept. of Computing
The Hong Kong Polytechnic University
Qixin Wang, HKPolyU,
2018/11/18

2. Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Lightweight
Power Efficient: O(1) RF transmission.
Proximity based Localization is enough
Qixin Wang, HKPolyU,
2018/11/18

3. Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Qixin Wang, HKPolyU,
2018/11/18

4. Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Qixin Wang, HKPolyU,
2018/11/18

5. Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Qixin Wang, HKPolyU,
2018/11/18

6. Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Qixin Wang, HKPolyU,
2018/11/18

7. Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Closest sensor shall RF broadcast immediately
Qixin Wang, HKPolyU,
2018/11/18

8. Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Closest sensor shall RF broadcast immediately
Suppress other sensors before they hear
Qixin Wang, HKPolyU,
2018/11/18

9. Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Closest sensor shall RF broadcast immediately
Suppress other sensors before they hear
Qixin Wang, HKPolyU,
2018/11/18

10. Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Closest sensor shall RF broadcast immediately
Data Packet Collision!
Suppress other sensors before they hear
Qixin Wang, HKPolyU,
2018/11/18

11. Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Closest sensor shall RF broadcast immediately
Data Packet Collision!
Suppress other sensors before they hear
Qixin Wang, HKPolyU,
2018/11/18

12. Send Noise on Carrier instead of Data Packet!
Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Closest sensor shall RF broadcast immediately
Send Noise on Carrier instead of Data Packet!
Suppress other sensors before they hear
Qixin Wang, HKPolyU,
2018/11/18

13. Acoustic Event Localization is a basic system service for wireless sensor network CPS apps.
Fast and O(1) Time Cost
Lightning Protocol
RF Sleeping
Lightweight
Hears a sound
Treset expires
Treset expires
RF Listening for Δdefer
Win, set Treset
Power Efficient: O(1) RF transmission.
Hears an RF burst
Lose, set Treset
RF burst for iTburst
No RF burst heard
Proximity based Localization
Hears an RF burst
Post burst RF Listen for Tb
Qixin Wang, HKPolyU,
2018/11/18