1. Cooperative Header Compression F.H.P. Fitzek and T. K. Madsen and P. Popovski and R. Prasad and M. Katz. Cooperative IP Header Compression for Parallel Channels in Wireless Meshed Networks. In IEEE International Conference on Communication (ICC). 2005

2. Center for TeleInFrastructure 2 Scenario: multiple channels between terminal and cellular network

3. Center for TeleInFrastructure 3 HC Approach Single Channel

4. Center for TeleInFrastructure 4 HC Approach Multiple Channels

5. Center for TeleInFrastructure 5 HC Approach Multiple channels with channel errors

6. Center for TeleInFrastructure 6 More Robust HC Approach by Exploiting Multiple Channels

7. Center for TeleInFrastructure 7 HC Approach: Possible Implementation

8. Center for TeleInFrastructure 8 Error healing

9. Center for TeleInFrastructure 9 AICs construction for three cooperative channels

10. Center for TeleInFrastructure 10 Packet Error Probability vs Channel Error Probability

11. Center for TeleInFrastructure 11 Efficiency vs Channel Error Probability

12. Center for TeleInFrastructure 12 Measurement Testbed

13. Center for TeleInFrastructure 13 Cooperative HC  Advantageous of the proposed scheme  Exploit cooperative behavior of parallel channels  Bandwidth efficiency  Low memory consumption and low complexity  Robustness  No need for feedback channel (can be used for multicasting)  Only a small number of cooperative channels are needed to perform efficiently  Analogy: FEC