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Related papers: Adaptive Video Streaming in MU-MIMO Networks

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This paper considers a downlink cell-free multiple-input multiple-output (MIMO) network in which multiple multi-antenna access points (APs) serve multiple users via coherent joint transmission. In order to reduce the energy consumption by…

Information Theory · Computer Science 2025-02-04 Liangzhi Wang , Chen Chen , Jie Zhang , Carlo Fischione

We investigate the downlink multi-user MIMO (MU-MIMO) scheduling problem in the presence of imperfect Channel State Information at the transmitter (CSIT) that comprises of coarse and current CSIT as well as finer but delayed CSIT. This…

Information Theory · Computer Science 2013-03-21 Wenzhuo Ouyang , Narayan Prasad , Sampath Rangarajan

Recommender systems have become indispensable in music streaming services, enhancing user experiences by personalizing playlists and facilitating the serendipitous discovery of new music. However, the existing recommender systems overlook…

Information Retrieval · Computer Science 2023-08-29 Yunhak Oh , Sukwon Yun , Dongmin Hyun , Sein Kim , Chanyoung Park

Traditional optimization methods based on system-wide Quality of Service (QoS) metrics have approached their performance limitations in modern large-scale streaming systems. However, aligning user-level Quality of Experience~(QoE) with…

Multimedia · Computer Science 2025-08-25 Lianchen Jia , Chao Zhou , Chaoyang Li , Jiangchuan Liu , Lifeng Sun

In this paper, we consider dynamic precoder/decorrelator optimization for multimedia streaming in MIMO interference networks. We propose a truly cross-layer framework in the sense that the optimization objective is the application level…

Information Theory · Computer Science 2015-06-18 Fan Zhang , Vincent K. N. Lau

Deep neural networks (DNNs) were shown to facilitate the operation of uplink multiple-input multiple-output (MIMO) receivers, with emerging architectures augmenting modules of classic receiver processing. Current designs consider static…

Information Theory · Computer Science 2024-08-23 Tomer Raviv , Nir Shlezinger

Zoomable video streaming refers to a new class of interactive video applications, where users can zoom into a video stream to view a selected region of interest in higher resolutions and pan around to move the region of interest. The zoom…

Networking and Internet Architecture · Computer Science 2015-05-11 Hui Wang , Mun Choon Chan , Wei Tsang Ooi

Millimeter-wave (mm-Wave) cellular systems are a promising option for a very high data rate communication because of the large bandwidth available at mm-Wave frequencies. Due to the large path-loss exponent in the mm-Wave range of the…

Information Theory · Computer Science 2015-11-06 Saeid Haghighatshoar , Giuseppe Caire

Video streaming is in high demand by mobile users, as recent studies indicate. In cellular networks, however, the unreliable wireless channel leads to two major problems. Poor channel states degrade video quality and interrupt the playback…

Networking and Internet Architecture · Computer Science 2015-04-22 Martin Dräxler , Johannes Blobel , Philipp Dreimann , Stefan Valentin , Holger Karl

Streaming high quality videos consumes significantly large amount of network resources. In this context request to service delay, network traffic, congestion and server overloading are the main parameters to be considered in video streaming…

Multimedia · Computer Science 2009-10-09 M Dakshayini , T R GopalaKrishnan Nair

In a cell-free massive MIMO architecture a very large number of distributed access points simultaneously and jointly serves a much smaller number of mobile stations; a variant of the cell-free technique is the user-centric approach, wherein…

Signal Processing · Electrical Eng. & Systems 2019-03-28 Mario Alonzo , Stefano Buzzi , Alessio Zappone , Ciro D'Elia

The increasing demands of various high data rate wireless applications have been seen in the recent years and it will continue in the future. To fulfill these demands, the limited existing wireless resources should be utilized properly or…

Networking and Internet Architecture · Computer Science 2014-12-16 Mostafa Zaman Chowdhury

Growing demand for video services is the main driver for increasing traffic in wireless cellular data networks. Wireless video distribution schemes have recently been proposed to offload data via Device-to-Device (D2D) communications. These…

Networking and Internet Architecture · Computer Science 2017-08-28 Mansour Naslcheraghi , Seyed Ali Ghorashi , Mohammad Shikh-Bahaei

Downlink (DL) Multi-User (MU) Multiple Input Multiple Output (MU-MIMO) is a key technology that allows multiple concurrent data transmissions from an Access Point (AP) to a selected sub-set of clients for higher network efficiency in IEEE…

Networking and Internet Architecture · Computer Science 2024-08-20 Liu Cao , Lyutianyang Zhang , Sumit Roy , Sian Jin

In this paper, we present a novel content caching and delivery approach for mobile virtual reality (VR) video streaming. The proposed approach aims to maximize VR video streaming performance, i.e., minimizing video frame missing rate, by…

Signal Processing · Electrical Eng. & Systems 2023-11-20 Mushu Li , Jie Gao , Conghao Zhou , Xuemin Shen , Weihua Zhuang

In this paper we propose a pair of low-complexity user selection schemes with zero-forcing precoding for multiuser massive MIMO downlink systems, in which the base station is equipped with a large-scale antenna array. First, we derive…

Information Theory · Computer Science 2015-06-02 Haijing Liu , Hui Gao , Shaoshi Yang , Tiejun Lv

Given the respective advantages of the two complimentary techniques for peer-to-peer media streaming (namely tree-based push and mesh-based pull), there is a strong trend of combining them into a hybrid streaming system. Backed by recently…

Networking and Internet Architecture · Computer Science 2010-09-14 Jun Luo

Adapting holographic video streaming to fluctuating wireless channels is essential to maintain consistent and satisfactory Quality of Experience (QoE) for users, which, however, is a challenging task due to the dynamic and uncertain…

Systems and Control · Electrical Eng. & Systems 2024-06-14 Wanli Wen , Jiping Yan , Yulu Zhang , Zhen Huang , Liang Liang , Yunjian Jia

We consider a massive MU-MIMO downlink time-division duplex system where a base station (BS) equipped with many antennas serves several single-antenna users in the same time-frequency resource. We assume that the BS uses linear precoding…

Information Theory · Computer Science 2013-10-08 Hien Quoc Ngo , Erik G. Larsson , Thomas L. Marzetta

Dynamic replication is a wide-spread multi-copy routing approach for efficiently coping with the intermittent connectivity in mobile opportunistic networks. According to it, a node forwards a message replica to an encountered node based on…

Networking and Internet Architecture · Computer Science 2021-11-16 Evangelos Papapetrou , Aristidis Likas