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Quality of experience (QoE) assessment for adaptive video streaming plays a significant role in advanced network management systems. It is especially challenging in case of dynamic adaptive streaming schemes over HTTP (DASH) which has…

多媒体 · 计算机科学 2022-03-01 Wei Zhou , Xiongkuo Min , Hong Li , Qiuping Jiang

With the growing computer vision applications, lots of videos are transmitted for content analysis, the way to allocate resources can affect the performance of video content analysis. For this purpose, the traditional resource allocation…

网络与互联网体系结构 · 计算机科学 2020-09-29 Jiujiu Chen , Chunyan Feng , Caili Guo , Xu Zhu

Multi-access edge computing (MEC) enables placing video content at the edge of the network aiming to improve the quality of experience (QoE) of the mobile clients. Video content caching at edge servers also reduces traffic in the backhaul…

网络与互联网体系结构 · 计算机科学 2018-05-24 Abbas Mehrabi , Matti Siekkinen , Antti Ylä-Jääski

The diversity of video delivery pipeline poses a grand challenge to the evaluation of adaptive bitrate (ABR) streaming algorithms and objective quality-of-experience (QoE) models. Here we introduce so-far the largest subject-rated database…

图像与视频处理 · 电气工程与系统科学 2020-08-21 Zhengfang Duanmu , Wentao Liu , Zhuoran Li , Diqi Chen , Zhou Wang , Yizhou Wang , Wen Gao

In this paper, we study the problem of dynamic channel allocation for URLLC traffic in a multi-user multi-channel wireless network where urgent packets have to be successfully transmitted in a timely manner. We formulate the problem as a…

网络与互联网体系结构 · 计算机科学 2018-11-08 Nesrine Ben-Khalifa , Mohamad Assaad , Mérouane Debbah

An online resource scheduling framework is proposed for minimizing the sum of weighted task latency for all the Internet of things (IoT) users, by optimizing offloading decision, transmission power and resource allocation in the large-scale…

机器学习 · 计算机科学 2020-04-16 Feibo Jiang , Kezhi Wang , Li Dong , Cunhua Pan , Kun Yang

Cell-free massive multiple-input-multiple-output is promising to meet the stringent quality-of-experience (QoE) requirements of railway wireless communications by coordinating many successional access points (APs) to serve the onboard users…

信息论 · 计算机科学 2024-09-12 Yu Zhang , Shuaifei Chen , Jiayi Zhang

Over the recent years, research and development in adaptive bitrate (ABR) algorithms for live video streaming have been successful in improving users' quality of experience (QoE) by reducing latency to near real-time levels while delivering…

多媒体 · 计算机科学 2024-02-15 Adithya Raman , Bekir Turkkan , Tevfik Kosar

Metaverse encapsulates our expectations of the next-generation Internet, while bringing new key performance indicators (KPIs). Although conventional ultra-reliable and low-latency communications (URLLC) can satisfy objective KPIs, it is…

人工智能 · 计算机科学 2023-06-29 Hongyang Du , Jiazhen Liu , Dusit Niyato , Jiawen Kang , Zehui Xiong , Junshan Zhang , Dong In Kim

We take an analytical approach to study the Quality of user Experience (QoE) for video streaming applications. Our propose is to characterize buffer starvations for streaming video with Long-Range-Dependent (LRD) input traffic. Specifically…

网络与互联网体系结构 · 计算机科学 2015-04-01 Zakaria Ye , Rachid EL-Azouzi , Tania Jimenez , Yuedong Xu

For multiple Unmanned-Aerial-Vehicles (UAVs) assisted Mobile Edge Computing (MEC) networks, we study the problem of combined computation and communication for user equipments deployed with multi-type tasks. Specifically, we consider that…

信号处理 · 电气工程与系统科学 2023-08-25 Bin Li , Rongrong Yang , Lei Liu , Junyi Wang , Ning Zhang , Mianxiong Dong

Mobile video traffic is dominant in cellular and enterprise wireless networks. With the advent of diverse applications, network administrators face the challenge to provide high QoE in the face of diverse wireless conditions and application…

Cloud-based computing systems could get oversubscribed due to budget constraints of cloud users which causes violation of Quality of Experience(QoE) metrics such as tasks' deadlines. We investigate an approach to achieve robustness against…

分布式、并行与集群计算 · 计算机科学 2018-09-19 Chavit Denninnart , Mohsen Amini Salehi , Adel Nadjaran Toosi , Xiangbo Li

Providing a high-quality real-time video streaming experience to mobile users is one of the biggest challenges in cellular networks. This is due to the need of these services for high rates with low variability, which is not easy to…

网络与互联网体系结构 · 计算机科学 2021-06-01 Fidan Mehmeti , Thomas F. La Porta

In this paper, we study the optimal wireless streaming of a multi-quality tiled 360 virtual reality (VR) video from a multi-antenna server to multiple single-antenna users in a multiple-input multiple-output (MIMO)-orthogonal frequency…

信号处理 · 电气工程与系统科学 2021-05-21 Chengjun Guo , Lingzhi Zhao , Ying Cui , Zhi Liu , Derrick Wing Kwan Ng

Virtual reality (VR) video provides an immersive 360 viewing experience to a user wearing a head-mounted display: as the user rotates his head, correspondingly different fields-of-view (FoV) of the 360 video are rendered for observation.…

多媒体 · 计算机科学 2017-03-28 Gene Cheung , Zhi Liu , Zhiyou Ma , Jack Z. G. Tan

The rapid shift toward video on-demand and real time information systems has affected mobile as well as wired networks. The research community has placed a strong focus on optimizing the Quality of Experience (QoE) of video traffic, mainly…

网络与互联网体系结构 · 计算机科学 2020-08-25 Qahhar Muhammad Qadir , Alexander A. Kist , Zhongwei Zhang

The latest video coding standard, called versatile video coding (VVC), includes several novel and refined coding tools at different levels of the coding chain. These tools bring significant coding gains with respect to the previous…

计算机视觉与模式识别 · 计算机科学 2021-05-05 Charles Bonnineau , Wassim Hamidouche , Jean-Francois Travers , Naty Sidaty , Olivier Deforges

In today's Internet, HTTP Adaptive Streaming (HAS) is the mainstream standard for video streaming, which switches the bitrate of the video content based on an Adaptive BitRate (ABR) algorithm. An effective Quality of Experience (QoE)…

图像与视频处理 · 电气工程与系统科学 2023-03-20 Chunyi Li , May Lim , Abdelhak Bentaleb , Roger Zimmermann

In this paper, we formulate the collaborative multi-user wireless video transmission problem as a multi-user Markov decision process (MUMDP) by explicitly considering the users' heterogeneous video traffic characteristics, time-varying…

多媒体 · 计算机科学 2009-03-03 Fangwen Fu , Mihaela van der Schaar