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Improving 3G Multicast Throughput via Integration of Cellular and Ad-Hoc Networks

Improving 3G Multicast Throughput via Integration of Cellular and Ad-Hoc Networks. Team Members: Gaurav Agashe Shamitha Lokande Shriniket Kale. Project Champion: Ngoc Do. PROBLEM & MOTIVATION. Multicast in 3G networks 3G v/s Ad-Hoc Integrated approach. RELATED WORK.

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Improving 3G Multicast Throughput via Integration of Cellular and Ad-Hoc Networks

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  1. Improving 3G Multicast Throughput via Integration of Cellular and Ad-Hoc Networks Team Members: GauravAgasheShamithaLokandeShriniket Kale Project Champion: Ngoc Do

  2. PROBLEM & MOTIVATION • Multicast in 3G networks • 3G v/s Ad-Hoc • Integrated approach

  3. RELATED WORK • Considerations for integrating cellular network and ad-hoc networks • Ad-hoc placement and routing strategies • Relay types • Benefits of integration.

  4. OUR APPROACH • The scenario • Proxy discovery • Greedy approach • Receiver initiated • Multi path / multi hop • Path maintenance

  5. RTREQ TTL: 3 Node: R3 Avg. DL rate: 2.4Mb/s Seq.No: 1 (R3,2.4) N7 RTREQ FOR R3 R3 PATH: R3 -> 2.4 PATH: N9-R3 -> 4.8 N6 N8 RTREQ RTREQ(3G) RTREQ RTREQ(3G) RTREQ (3G) N9 RTREQ RTREQ R2 RTREQ FOR R2 Recd. Rate > N1’s rate Don’t forward!! RTREQ TTL: 3 Node: R2 Avg. DL rate: 3.6Mb/s Seq.No: 1 (R2,3.6) FOR R1 PATH: R2 -> 3.6 N5 PATH: R1 -> 2.4 N4 Msg. received! Recd. Rate : 2.4Mb/s N1’s rate: 1.8Mb/s PATH: N2-R1 -> 3.6 BASE STATION Message TTL:2 (N2,3.6) (R1,2.4) N1 RTREQ(3G) MULTICAST RATE SELECTED: 3.6 RTREQ(3G) RTREQ RTREQ TTL: 3 Node: R1 Avg. DL rate: 2.4Mb/s Seq.No: 1 (R1,2.4) N3 RTREQ Recd. Rate : 2.4Mb/s N2’s rate: 3.6Mb/s RTREQ N2 Msg. received! R1 Recd. Rate < N2’s rate Add node N2 to path

  6. PERFORMANCE MEASURES • Static v/s Mobile scenarios • Interference issue • Pure cellular v/s Hybrid networks • Project status • Future enhancements

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