International Journal of Modern Engineering Research (IJMER)
Network coding has recently attracted attention as a substantial improvement to packet retransmission schemes in wireless Multicast Broadcast Services (MBSs). In this paper, it is concentrating on increasing the efficiency of bandwidth and reducing the retransmission of packets on wireless multicast broadcast services. In the existing system there are three main schemes are used. ONCR (Opportunistic Network Coding Retransmission), FNCR (Full Network Coding Retransmission), ANCR (Adaptive Network Coding Retransmission). First two schemes are not efficient because, in ONCR it will transmit the packets which are not intent to the receiver. In FNCR, it decreases the bandwidth efficiency because of retransmitting all the packets in addition with the required packets.