Robust Network Coding in the Presence of Link Failure Using a Multicast Rate-Diversity Trade off
Hossein Bahramgiri, Mohammad Jabbari, Farshad Lahouti · 2007
We introduce a centralized joint network-channel coding scheme for maximized throughput and increased robustness against link failure in a communication network. We introduceRNC1(h,k)to multicastkindependent data in a directed and acyclic network with capacityh,k≤h. The redundancy through path diversity increases the resistance of the network against link failure. An improved version ofRNC1,RNC1(h,k), is introduced to guarantee the ratekforh-kflow failures. The proposed schemes exploit the network structure for code design, which results in a manageable design complexity.