Optimized Network-coded Scalable Video Multicasting over eMBMS Networks

TL;DR

This paper presents a novel resource allocation framework for multicast layered video over LTE-A networks, utilizing unequal error protection network coding to enhance coverage and efficiency.

Contribution

It introduces a joint optimization approach for communication parameters and UEP-NC, improving multicast video service coverage over existing strategies.

Findings

Significant increase in service coverage compared to traditional methods.

Efficient resource utilization with low radio footprint.

Effective reliability assurance through UEP-NC implementation.

Abstract

Delivery of multicast video services over fourth generation (4G) networks such as 3GPP Long Term Evolution-Advanced (LTE-A) is gaining momentum. In this paper, we address the issue of efficiently multicasting layered video services by defining a novel resource allocation framework that aims to maximize the service coverage whilst keeping the radio resource footprint low. A key point in the proposed system mode is that the reliability of multicast video services is ensured by means of an Unequal Error Protection implementation of the Network Coding (UEP-NC) scheme. In addition, both the communication parameters and the UEP-NC scheme are jointly optimized by the proposed resource allocation framework. Numerical results show that the proposed allocation framework can significantly increase the service coverage when compared to a conventional Multi-rate Transmission (MrT) strategy.