ACK based partial random selection encoding for uplink distributed LDPC network codes

An ACK based partial random selection (ACK-PRS) encoding algorithm for the uplink distributed low-density parity check network code of the generalised adaptive network coded cooperation is proposed. The proposed algorithm achieves good error correction performance and high system throughput, while maintaining the low complexity of the random selection algorithm. This good performance is achieved by a minor increase in the down link signalling. Simulation results for 5 and 20 uplink users verify the good performance of the proposed ACK-PRS.