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\begin{document}

\title{Scalable and Resilient 360-degree-Video Adaptive Streaming over HTTP/2
against Sudden Network Drops}



\author[1,1,1]{Hung Nguyen Viet }%
\author[2]{Thu Huong Truong }%
\author[2]{Thang Truong }%
\affil[1]{HUST}%
\affil[2]{Affiliation not available}%


\vspace{-1em}



  
  \date{June 16, 2024}


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\begin{abstract}
Realistic Virtual Reality is supported by 360\selectlanguage{ngerman}° video, which provides
viewers with an immersive watching experience. However, 360° video is
bulky in size, while the transmission system has limited ability to
provide bandwidth. As such, intelligent adaptive delivery solutions play
a crucial role in enabling users to stream high-quality 360° video. In
this research, we propose a novel approach for 360-degree video
streaming over HTTP/2 that can provide consumers with a good watching
experience (QoE) even in varying network circumstances and head-eye
movements over time. The proposed method deploys the so-called BBAG
algorithm (Buffer and Bandwidth Allocation Algorithm) using Scalable
Video Coding to choose appropriate tile layers to resolve the trade-off
between network and user adaptivity. With the support of HTTP/2's stream
termination capability, the delivery of late tile layers is terminated
to handle abrupt interruptions. BBAG is proven to improve QoE from
3.56\% to 93.71\% and the average viewport bitrate from 1.78\% to
80.49\% compared to state-of-the-art methods.%
\end{abstract}\selectlanguage{ngerman}%



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