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An Energy-Efficient Routing Protocol for UWSNs using Physical Distance and Residual Energy

An Energy-Efficient Routing Protocol for UWSNs using Physical Distance and Residual Energy. Abdul Wahid, Sungwon Lee , Dongkyun Kim Kyungpook National University ， Korea. IEEE Oceans 2011. OUTLINE. INTRODUCTION RELATED WORK ERP 2 R SIMULATION CONCLUSION. INTRODUCTION.

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An Energy-Efficient Routing Protocol for UWSNs using Physical Distance and Residual Energy

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  1. An Energy-Efficient Routing Protocol for UWSNs using Physical Distance and Residual Energy Abdul Wahid, Sungwon Lee , Dongkyun Kim Kyungpook National University，Korea IEEEOceans 2011

  2. OUTLINE • INTRODUCTION • RELATED WORK • ERP2R • SIMULATION • CONCLUSION

  3. INTRODUCTION • Underwater wireless sensor networks (UWSNs) in order to support variousapplication • soil/gas spills monitoring • offshore exploration • disaster prevention • submarine detection

  4. INTRODUCTION • UWSNs constraints • propagation delay • low bandwidth • high noise ratio Sink node Sensor node Flooding Direction Data Collection Direction

  5. INTRODUCTION • Drawback • network lifetime • exchanging many control messages • a lot of broadcasting activities for the same packets

  6. RELATED WORK • Routing protocols for UWSNs • VBF • HHVBF • FBR • DFR • DBR

  7. RELATED WORK • VBF P. Xie, JH. Cui, L. Lao, “VBF: vector-based forwarding protocol for Underwater Sensor Networks” In proc. of IFIP Networking, Coimbra, Portugal, May 2006

  8. RELATED WORK • HHVBF • Need all node localization information • FBR • Need sink location information • Use RTS/CTS • DFR • Need all node localization information

  9. RELATED WORK • DBR

  10. RELATED WORK • DBR

  11. Vijay Chandrasekhar, Yoo Sang Choo, “Localization in Underwater Sensor Networks – Survey and Challenges” In proc. of WUWNet’06, Los Angeles, California, USA, September 2006. ERP2R John Heidemann, Wei Ye, Jack Wills, Affan Syed,, Yuan Li, “Research Challenges and Applications for Underwater Sensor Networking” In proc. of WCNC 2006, Las Vegas, NV, USA, April 2006. • Assumption • distances to their neighbors • ToA(Time of Arrival)

  12. ERP2R • ERP2R two phase: • Cost establishment phase with knowledge acquisition of residual energy • Data forwarding phase

  13. ERP2R • Cost establishment phase with knowledge acquisition of residual energy Hello

  14. ERP2R • Cost establishment phase with knowledge acquisition of residual energy 10 12 10 25 12 17 27 27 39 22 18 23 29 30 32 12 17 14 15 56 45 16 34 35 72 27 10 12 53 27 18 66 57

  15. ERP2R • Data forwarding phase 10 11 12 9 27 12 9 39 30 8 12 32 15 56 45 72 7 10 53 5 6 66 57

  16. ERP2R ordered list ordered list • Data forwarding phase 10 9 12 9 G 27 5 9 39 F 30 8 7 32 E C 15 56 45 72 7 B 10 53 5 4 66 57 D A

  17. ERP2R • Data forwarding phase • Hold time T = ((1(4/10))/100)+5 =5.006 10 9 12 9 G 27 5 9 39 F 30 8 7 32 E C 15 56 45 72 7 B 10 53 5 4 66 57 D A

  18. Simulation

  19. Simulation

  20. Simulation

  21. Simulation

  22. CONCLUSION • lightweight and energy efficient routing protocol (named ERP2R) for UWSNs. • uses physical distance for reducing unnecessary retransmissions and the residual energy for energy balancing

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