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BROADCASTING IN WIRELESS NETWORKS WITH NETWORK CODING Pouya - PowerPoint PPT Presentation

DEADLINE-AWARE BROADCASTING IN WIRELESS NETWORKS WITH NETWORK CODING Pouya Ostovari, Jie Wu, and Abdallah Khreishah Computer & Information Sciences Department, Temple University, USA Center for Networked Computing Agenda


  1. DEADLINE-AWARE BROADCASTING IN WIRELESS NETWORKS WITH NETWORK CODING Pouya Ostovari, Jie Wu, and Abdallah Khreishah Computer & Information Sciences Department, Temple University, USA Center for Networked Computing

  2. Agenda  Introduction  Motivation  Three phases algorithm  Broadcasting tree  Partitioning  Coding  Simulation  Conclusion

  3. Alice and Bob (No coding) Alice R Bob

  4. Alice and Bob (No coding) X Alice R Bob

  5. Alice and Bob (No coding) Y Alice R Bob

  6. Alice and Bob (No coding) Alice R Bob Y

  7. Alice and Bob (No coding) Alice R Bob X

  8. Alice and Bob (No coding) Alice R Bob X 4 transmissions

  9. Alice and Bob (Coding) Alice R Bob

  10. Alice and Bob (Coding) X Alice R Bob

  11. Alice and Bob (Coding) Y Alice R Bob

  12. Alice and Bob (Coding) Alice R Bob X+Y

  13. Alice and Bob (Coding) Alice R Bob X+Y 3 transmissions

  14. Deadline-Aware Broadcasting 1 2 3 5 4

  15. Deadline-Aware Broadcasting  X:  Generation : slot 1  Deadline: 6 X 1 2 3 5 4

  16. Deadline-Aware Broadcasting  X:  Y:  Generation : slot 1  Generation: slot 3  Deadline: 6  Deadline: 6 X Y 1 2 3 5 4

  17. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y 1 2 3 5 4 Z

  18. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 1 2 3 • No coding 4 5

  19. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X 1 2 3 • No coding 4 5 Time slot 1

  20. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X X 1 2 X 3 • No coding X 4 5 Time slot 2

  21. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X X 1 2 X 3 • No coding X 4 5 Time slot 2

  22. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X X 1 2 X 3 • No coding X X 4 5 Time slot 3

  23. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 Y 1 2 3 • No coding 4 5 Time slot 3

  24. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 Y 1 2 Y 3 • No coding Y 4 5 Time slot 4

  25. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 Y 1 2 Y 3 • No coding Y 4 5 Time slot 4

  26. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 Y 1 2 Y Y 3 • No coding Y Y 4 5 Time slot 5

  27. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 1 2 3 • No coding 4 5 Z Time slot 5

  28. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 1 2 Z 3 • No coding Z 4 5 Z Z Time slot 6

  29. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 1 2 Z 3 • No coding Z 4 5 Z Z Time slot 6

  30. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 1 2 Z Z 3 • No coding Z 4 5 Z Z Time slot 7

  31. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 1 2 Z Z • 3 transmissions by 3 • No coding Z the relay node • No deadline misses 4 5 Z Z Time slot 7

  32. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 1 2 3 • Coding all the packets 5 4

  33. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X 1 2 3 • Coding all the packets 5 4 Time slot 1

  34. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X X 1 2 X 3 • Coding all the packets X 5 4 Time slot 2

  35. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y X 1 2 X 3 • Coding all the packets X 5 4 Time slot 3

  36. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y X 1 2 X Y 3 • Coding all the packets X Y 5 4 Time slot 4

  37. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y X 1 2 X Y 3 • Coding all the packets X Y 5 4 Z Time slot 5

  38. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y X 1 2 Z X Y 3 • Coding all the packets Z X Y 5 4 Z Z Time slot 6

  39. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y X 1 2 Z X Y 3 • Coding all the packets Z X Y 5 4 Z Z Time slot 6

  40. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y X X+Y+Z 1 2 Z X Y 3 • Coding all the packets Z X Y X+Y+Z 5 4 Z Z Time slot 7

  41. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y X X+Y+Z 1 2 Z X Y • 1 transmissions by 3 • Coding all the packets Z the relay node • Deadline misses X Y X+Y+Z 5 4 Z Z Time slot 7

  42. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 1 2 3 • Waiting time=2 5 4

  43. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X 1 2 3 • Waiting time=2 5 4 Time slot 1

  44. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X X 1 2 X 3 • Waiting time=2 X 5 4 Time slot 2

  45. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y X 1 2 X 3 • Waiting time=2 X 5 4 Time slot 3

  46. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y X 1 2 X Y 3 • Waiting time=2 Y X 5 4 Time slot 4

  47. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y X 1 2 X Y 3 • Waiting time=2 Y X 5 4 Time slot 4

  48. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 X Y X 1 2 X+Y X+Y X Y 3 • Waiting time=2 Y X 5 X+Y 4 X+Y Time slot 5

  49. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 1 2 3 • Waiting time=2 5 4 Z Time slot 5

  50. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 1 2 Z 3 • Waiting time=2 Z 5 4 Z Z Time slot 6

  51. Deadline-Aware Broadcasting  Z:  X:  Y:  Generation: slot 5  Generation : slot 1  Generation: slot 3  Deadline: 7  Deadline: 6  Deadline: 6 1 2 Z 3 • Waiting time=2 Z 5 4 Z Z Time slot 6

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