Implementation of AVS3 Multicast System Based on eMBMS

With the development of 5G, the business needs of video are constantly expanding. Virtual reality, 4K, 8K UHD (Ultra High-Definition), and even higher resolution video content will be further popular. The development of mobile video service has brought unprecedented pressure to cellular networks. The user experience of wireless-based video streaming services mainly depends on the bandwidth and the performance of the network. Therefore, the unicast method is not suitable for transmitting UHD video to multiple users in a small area at the same time. LTE eMBMS (evolved Multimedia Broadcast Multicast Services) achieves the broadcast capability in the entire network or in the multicast area. The AVS standard is a source coding standard for Chinese independent intellectual property rights. The primary application target of the third-generation AVS standard (AVS3) is UHD. This paper uses eMBMS technology to realize the multicast of AVS3 video stream in cellular network, and this greatly saves network bandwidth compared to unicast. This paper first introduces some background information of eMBMS and AVS3. Furthermore, the service process of eMBMS will be described in detail. Finally, the architecture of the entire multicast system will be introduced.