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The performance of orthogonal and non-orthogonal multiple access is studied for the multiplexing of enhanced Mobile BroadBand (eMBB) and Ultra-Reliable Low-Latency Communications (URLLC) users in the uplink of a multi-cell Cloud Radio…

网络与互联网体系结构 · 计算机科学 2018-04-19 Rahif Kassab , Osvaldo Simeone , Petar Popovski

Mobile edge computing (MEC) is an emerging paradigm that mobile devices can offload the computation-intensive or latency-critical tasks to the nearby MEC servers, so as to save energy and extend battery life. Unlike the cloud server, MEC…

信息论 · 计算机科学 2018-03-21 Kang Cheng , Yinglei Teng , Weiqi Sun , An Liu , Xianbin Wang

In this paper, we study video streaming over wireless networks with network coding capabilities. We build upon recent work, which demonstrated that network coding can increase throughput over a broadcast medium, by mixing packets from…

网络与互联网体系结构 · 计算机科学 2007-06-12 Hulya Seferoglu , Athina Markopoulou

The combination of edge caching and coded multicasting is a promising approach to improve the efficiency of content delivery over cache-aided networks. The global caching gain resulting from content overlap distributed across the network in…

信息论 · 计算机科学 2016-11-17 Parisa Hassanzadeh , Antonia Tulino , Jaime Llorca , Elza Erkip

We study a multihop "virtual" full-duplex relay channel as a special case of a general multiple multicast relay network. For such channel, quantize-map-and-forward (QMF) (or noisy network coding (NNC)) achieves the cut-set upper bound…

信息论 · 计算机科学 2015-04-24 Song-Nam Hong , Ivana Maric , Dennis Hui , Giuseppe Caire

Optical Wireless Communication networks (OWC) has emerged as a promising technology that enables high-speed and reliable communication bandwidth for a variety of applications. In this work, we investigated applying Random Linear Network…

信息论 · 计算机科学 2023-05-09 Ahmed Ali Hassan , Ahmed Adnan Qidan , Taisir Elgorashi , Jaafar Elmirghani

A multi-antenna broadcast channel scenario is considered where a base station delivers contents to cache-enabled user terminals. A joint design of coded caching (CC) and multigroup multicast beamforming is proposed to benefit from spatial…

信息论 · 计算机科学 2020-01-03 Antti Tölli , Seyed Pooya Shariatpanahi , Jarkko Kaleva , Babak Khalaj

Video broadcast/multicast over wireless access networks is an attractive research issue in the field of wireless communication. With the rapid improvement of various wireless network technologies, it is now possible to provide high quality…

网络与互联网体系结构 · 计算机科学 2015-10-15 Mostafa Zaman Chowdhury , Yeong Min Jang

With the recent emergence of 3D-supported TVs, video service providers now face an opportunity to provide high resolution multi-view 3D videos over IP networks. One simple way to support efficient communications between a video server and…

多媒体 · 计算机科学 2014-10-16 Ting-Yu Ho , Yi-Nung Yeh , De-Nian Yang

The possibility of jointly optimizing location sensing and communication resources, facilitated by the existence of communication and sensing spectrum sharing, is what promotes the system performance to a higher level. However, the rapid…

系统与控制 · 电气工程与系统科学 2024-05-29 Haijun Zhang , Bowen Chen , Xiangnan Liu , Chao Ren

The significant increase of the transmission of multimedia content over Internet are demanded new delivery strategies to assure a good quality of experience of the users. Transmission of video over packet networks is not an easy task due to…

网络与互联网体系结构 · 计算机科学 2021-01-14 Wilder Castellanos

With the emergence of multiple modern video codecs, streaming service providers are forced to encode, store, and transmit bitrate ladders of multiple codecs separately, consequently suffering from additional energy costs for encoding,…

In this paper, we investigate the use of a cross-layer allocation mechanism for the high-rate ultra-wideband (UWB) systems. The aim of this paper is twofold. First, through the cross-layer approach that provides a new service…

网络与互联网体系结构 · 计算机科学 2009-07-23 Ayman Khalil , Matthieu Crussière , Jean-François Hélard

Video streaming today accounts for up to 55\% of mobile traffic. In this paper, we explore streaming videos encoded using Scalable Video Coding scheme (SVC) over highly variable bandwidth conditions such as cellular networks. SVC's unique…

网络与互联网体系结构 · 计算机科学 2018-06-14 Anis Elgabli , Vaneet Aggarwal , Shuai Hao , Feng Qian , Subhabrata Sen

5G new radio (NR) introduced flexible numerology to provide the necessary flexibility for multiplexing the communication of heterogeneous services on a shared channel. One of the fundamental challenges of 5G NR is to develop resource…

网络与互联网体系结构 · 计算机科学 2020-11-03 Nasim Ferdosian , Sara Berri , Arsenia Chorti

An optimization technique based on an adapted combination of simulated annealing (SA) and tabu search (TS) is presented. This method aims at finding near-optimal unequal error protection (UEP) application-layer FEC code configurations. This…

图像与视频处理 · 电气工程与系统科学 2024-02-08 César Díaz , Julián Cabrera , Fernando Jaureguizar , Narciso García

In this paper we give network coding algorithms for multi-layered video streaming. The problem is motivated by video broadcasting in a communication network to users with varying demands. We give a polynomial time algorithm for deciding…

离散数学 · 计算机科学 2017-12-19 Erika R. Bérczi-Kovács , Zoltán Király

Due to the proliferation of applications for the Internet of Things, an increasing number of machine to machine (M2M) devices are being deployed. In particular, one of the M2M applications, video surveillance, has been widely discussed.…

网络与互联网体系结构 · 计算机科学 2015-01-05 Yen-Kai Liao , Chih-Hang Wang , De-Nian Yang , Wen-Tsuen Chen

As a critical component of sixth-generation (6G) wireless networks, ultra-reliable and low-latency communication (URLLC) is expected to support real-time and reliable information exchange in low-altitude environments. However, achieving…

信号处理 · 电气工程与系统科学 2026-05-15 Donggen Li , Chong Huang , Jingfu Li , Pei Xiao , Wenjiang Feng , Dusit Niyato , Zhu Han

Multicast communication plays a crucial role in Mobile Adhoc Networks (MANETs). MANETs provide low cost, self configuring devices for multimedia data communication in military battlefield scenarios, disaster and public safety networks…

网络与互联网体系结构 · 计算机科学 2017-09-01 Gaurav Singal , Vijay Laxmi , Manoj S Gaur , D Vijay Rao , Riti Kushwaha