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SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with Multiple-access Interference Ankit Misra Indian Institute of Technology, Kanpur

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Presentation on theme: "SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with Multiple-access Interference Ankit Misra Indian Institute of Technology, Kanpur"— Presentation transcript:

1 SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with Multiple-access Interference Ankit Misra Indian Institute of Technology, Kanpur ankitm@iitk.ac.in Advisor: Dr. Harlan Russell

2 Presentation Outline Background New Network Model Simulation Results Conclusion SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI

3 Background Ad Hoc Networks Scheduling Protocols Energy to Interference-Noise Ratio (EINR) Multiple-access Interference (MAI) SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI

4 Background Ad Hoc Networks No Infrastructure Required Self-configuring Temporary Useful in Disaster Management, Military Conflicts etc. SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI

5 Background Scheduling Protocols Assigns Transmission Slots on Wireless Channel Fairness Adaptive Collision-Free

6 Background Multiple-access Interference - EINR vs. Unit Disk Model SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI TransmitterInterfererReceiver dTdT dIdI Unit Disk Model EINR based Model d I > d C EINR > β dCdC dCdC

7 Background Multiple-access Interference - EINR vs. Unit Disk Model SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI TransmitterInterfererReceiver dTdT dIdI Unit Disk Model EINR based Model d I > d C

8 Background Multiple-access Interference - EINR vs. Unit Disk Model SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI TransmitterInterfererReceiver dTdT dIdI Unit Disk Model EINR based Model d I > d C

9 New Network Model Multiple-access Interference - EINR vs. Unit Disk Model SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI TransmitterInterferer Receiver dTdT dIdI Unit Disk Model  Transmission will Fail EINR based Model  Transmission will Succeed d T = 0.25d C d I = 0.50d C Better Utilization using EINR based Scheduling

10 New Network Model Multiple-access Interference - EINR vs. Unit Disk Model SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI TransmitterInterfererReceiver dTdT dIdI Unit Disk Model  Transmission will Succeed EINR based Model  Transmission will Fail d T = 0.90d C d I = 1.50d C Collisions may occur in Unit Disk based Scheduling

11 SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI New Network Model 1 32 56 7489 Unit-Disk based ScheduleEINR based Schedule

12 SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI New Network Model Transmission Scheduling Protocol based on EINR model Link Status depends on MAI Scheduling Constraints based on Instantaneous Link Status Adaptive Protocol for Updating Link Status

13 SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI Simulation Results Performance Metrics

14 SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI Simulation Results

15 SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI Simulation Results

16 SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI Conclusion Unit-Disk based Schedule is not collision-free. Unit-Disk assumption lowers the re-usage of channel. EINR based Schedule more Realistic and collision-free. EINR based Scheduling Protocol has Better Utilization.

17 Questions ? SURE 2006 Transmission Scheduling for Mobile Ad Hoc Networks with MAI

18 Thank You Acknowledgements

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