Towards Next Generation Immersive Applications in 5G Environments

TL;DR

This paper introduces Hera, a modular framework that enhances 5G wireless networks for immersive AR/VR applications by improving latency, visual quality, and fairness through adaptive streaming and QoE-aware rate control.

Contribution

Hera is a novel framework combining application-aware streaming with QoE-centric rate control, optimized for dynamic 5G environments, enabling better multi-user immersive experiences.

Findings

Hera reduces latency by up to 66% compared to existing algorithms.

Hera achieves 50% higher visual quality at similar bitrates.

Hera improves fairness among multiple users in 5G networks.

Abstract

The Multi-user Immersive Reality (MIR) landscape is evolving rapidly, with applications spanning virtual collaboration, entertainment, and training. However, wireless network limitations create a critical bottleneck, struggling to meet the high-bandwidth and ultra-low latency demands essential for next-generation MIR experiences. This paper presents Hera, a modular framework for next-generation immersive applications, comprising a high-level streaming and synchronization layer for AR/VR systems and a low-level delay-based QoE-aware rate control protocol optimized for dynamic wireless environments. The Hera framework integrates application-aware streaming logic with a QoE-centric rate control core, enabling adaptive video quality, multi-user fairness, and low-latency communication across challenging 5G network conditions. We demonstrate that Hera outperforms existing state-of-the-art rate control algorithms by maintaining up to 66% lower latencies with comparable throughput performance, higher visual quality with 50% average bitrate improvements in our analysis, and improved fairness. By bridging the gap between application-level responsiveness and network-level adaptability, Hera lays the foundation for more scalable, robust, and high-fidelity multi-user immersive experiences.