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相关论文: QoE-Centric Multi-User mmWave Scheduling: A Beam A…

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Transmission of video over a limited bandwidth network is challenging due to the natural variability of video, and link characteristics. Video smoothing techniques can be used to facilitate more effective transmission and to preserve better…

网络与互联网体系结构 · 计算机科学 2011-05-30 Khaled Shuaib , Farag Sallabi , Liren Zhang

Internet of things, supported by machine-to-machine (M2M) communications, is one of the most important applications for future 6th generation (6G) systems. A major challenge facing by 6G is enabling a massive number of M2M devices to access…

信息论 · 计算机科学 2022-09-30 Kan Zheng , Haojun Yang , Xiong Xiong , Jie Mei , Kuan Zhang

This paper investigates the application of non-orthogonal multiple access (NOMA) in millimeter wave (mmWave) communications by exploiting beamforming, user scheduling and power allocation. Random beamforming is invoked for reducing the…

信息论 · 计算机科学 2017-05-10 Jingjing Cui , Yuanwei Liu , Zhiguo Ding , Pingzhi Fan , Arumugam Nallanathan

The challenging propagation environment, combined with the hardware limitations of mmWave systems, gives rise to the need for accurate initial access beam alignment strategies with low latency and high achievable beamforming gain. Much of…

信息论 · 计算机科学 2024-01-25 Daniel Tandler , Marc Gauger , Ahmet Serdar Tan , Sebastian Dörner , Stephan ten Brink

Streaming platforms, like Netflix and YouTube, strive to offer high streaming quality (SQ), in terms of bitrate, delays, etc., to their users. Meanwhile, a significant share of content consumption of these platforms is heavily influenced by…

网络与互联网体系结构 · 计算机科学 2022-04-12 Dimitra Tsigkari , Thrasyvoulos Spyropoulos

Being an integral part of the network traffic, nowadays it's vital to design robust mechanisms to provide QoS for multimedia applications. The main goal of this paper is to provide an efficient solution to support content-aware video…

多媒体 · 计算机科学 2015-03-19 Mohammad Hassan Hajiesmaili , Ali Sehati , Ahmad Khonsari , Mohammad Sadegh Talebi

Adaptive bitrate (ABR) streaming enables video users to adapt the playing bitrate to the real-time network conditions to achieve the desirable quality of experience (QoE). In this work, we propose a novel crowdsourced streaming framework…

多媒体 · 计算机科学 2018-05-22 Lin Gao , Ming Tang , Haitian Pang , Jianwei Huang , Lifeng Sun

Providing minimum quality-of-service (QoS) in crowded wireless communications systems, with high user density, is challenging due to the network structure with limited transmit power budget and resource blocks. Smart resource allocation…

信息论 · 计算机科学 2022-05-17 Joao Henrique Inacio de Souza , Jose Carlos Marinello , Abolfazl Amiri , Taufik Abrao

With the inevitable dominance of video traffic on the Internet, providing perceptually good video quality is becoming a challenging task. This is partly due to the bursty nature of video traffic, changing network conditions and limitations…

网络与互联网体系结构 · 计算机科学 2020-08-18 Qahhar Muhammad Qadir , Alexander A. Kist , Zhongwei Zhang

The rate performance of wireless coded caching schemes is typically limited by the lowest achievable per-user rate in the given multicast group, during each transmission time slot. In this paper, we provide a new coded caching scheme,…

信息论 · 计算机科学 2020-03-05 MohammadJavad Salehi , Antti Tölli , Seyed Pooya Shariatpanahi

Multicast/broadcast services (MBS) are able to provide video services for many users simultaneously. Fixed amount of bandwidth allocation for all of the MBS videos is not effective in terms of bandwidth utilization, overall forced call…

网络与互联网体系结构 · 计算机科学 2018-12-27 Mostafa Zaman Chowdhury , Tuan Nguyena , Young-Il Kimb , Won Ryub , Yeong Min Jang

Deadline-aware transmission scheduling in immersive video streaming is crucial. The objective is to guarantee that at least a certain block in multi-links is fully delivered within their deadlines, which is referred to as delivery ratio.…

网络与互联网体系结构 · 计算机科学 2024-09-02 Tongtong Feng , Qi Qi , Bo He , Jingyu Wang

In this paper, we present a digital twin (DT)-assisted adaptive video streaming scheme to enhance personalized quality-of-experience (PQoE). Since PQoE models are user-specific and time-varying, existing schemes based on universal and…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Xinyu Huang , Conghao Zhou , Wen Wu , Mushu Li , Huaqing Wu , Xuemin , Shen

This work addresses the design of optimal linear transmit filters for the Multiple Input-Multiple Output (MIMO) Broadcast Channel (BC) when several spatial streams are allocated to each user.We also consider that the Channel State…

信息论 · 计算机科学 2016-04-19 José P. González-Coma , Michael Joham , Paula M. Castro , Luis Castedo

Future wireless systems are expected to provide a wide range of services to more and more users. Advanced scheduling strategies thus arise not only to perform efficient radio resource management, but also to provide fairness among the…

网络与互联网体系结构 · 计算机科学 2020-03-23 Ivo Sousa , Maria Paula Queluz , António Rodrigues

Viewport prediction is the crucial task for adaptive 360-degree video streaming, as the bitrate control algorithms usually require the knowledge of the user's viewing portions of the frames. Various methods are studied and adopted for…

多媒体 · 计算机科学 2024-03-06 Lei Zhang , Tao Long , Weizhen Xu , Laizhong Cui , Jiangchuan Liu

Millimeter wave (mmWave) technologies will support the high bandwidth and data rate requirements of V2X services demanded by connected and automated vehicles (CAVs). MmWave V2X technologies will leverage directional antennas that challenge…

信号处理 · 电气工程与系统科学 2021-12-24 Baldomero Coll-Perales , Javier Gozalvez , Esteban Egea-Lopez

We consider an online channel scheduling problem for a single transmitter-receiver pair equipped with $N$ arbitrarily varying wireless channels. The transmission rates of the channels might be non-stationary and could be controlled by an…

信息论 · 计算机科学 2025-01-24 G Krishnakumar , Abhishek Sinha

Millimeter wave (mmWave) communication systems using adaptive-resolution analog-to-digital converters (RADCs) have recently drawn considerable interests from the research community as benefit of their high energy efficiency and low…

信息论 · 计算机科学 2020-09-29 Xihan Chen , Yunlong Cai , An Liu , Lajos Hanzo

In this paper, we propose a multi-beam non-orthogonal multiple access (NOMA) scheme for hybrid millimeter wave (mmWave) systems and study its resource allocation. A beam splitting technique is designed to generate multiple analog beams to…

信息论 · 计算机科学 2018-06-14 Zhiqiang Wei , Lou Zhao , Jiajia Guo , Derrick Wing Kwan Ng , Jinhong Yuan