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相关论文: Cost-optimal caching for D2D networks with user mo…

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This paper considers the problem of designing the user trajectory in a device-to-device communications setting. We consider a pair of pedestrians connected through a D2D link. The pedestrians seek to reach their respective destinations…

最优化与控制 · 数学 2018-04-16 Amrit S. Bedi , Ketan Rajawat , Marceau Coupechoux

Local caching is an effective scheme for leveraging the memory of the mobile terminal (MT) and short range communications to save the bandwidth usage and reduce the download delay in the cellular communication system. Specifically, the MTs…

信息论 · 计算机科学 2016-10-20 Yinghao Guo , Lingjie Duan , Rui Zhang

We study the problem of optimal content placement over a network of caches, a problem naturally arising in several networking applications, including ICNs, CDNs, and P2P systems. Given a demand of content request rates and paths followed,…

网络与互联网体系结构 · 计算机科学 2016-04-13 Stratis Ioannidis , Edmund Yeh

This paper considers the problem of reducing the broadcast decoding delay of wireless networks using instantly decodable network coding (IDNC) based device-to-device (D2D) communications. In a D2D configuration, devices in the network can…

信息论 · 计算机科学 2015-05-22 Ahmed Douik , Sameh Sorour , Tareq Y. Al-Naffouri , Hong-Chuan Yang , Mohamed-Slim Alouini

Caching of popular content on wireless nodes is recently proposed as a means to reduce congestion in the backbone of cellular networks and to improve Quality of Service. From a network point of view, the goal is to offload as many users as…

网络与互联网体系结构 · 计算机科学 2017-07-11 Jonatan Krolikowski , Anastasios Giovanidis , Marco Di Renzo

In this paper, we aim at maximizing the cache offloading gain for a clustered \ac{D2D} caching network by exploiting probabilistic caching and cooperative transmission among the cluster devices. Devices with surplus memory probabilistically…

信号处理 · 电气工程与系统科学 2018-11-28 Ramy Amer , Hesham ElSawy , Jacek Kibiłda , M. Majid Butt , Nicola Marchetti

In this article, we investigate the content distribution in the hotspot area, whose traffic is offloaded by the combination of the unmanned aerial vehicle (UAV) communication and edge caching. In cache-enabling UAV-assisted cellular…

信号处理 · 电气工程与系统科学 2020-08-13 Tiankui Zhang , Yi Wang , Yuanwei Liu , Wenjun Xu , Arumugam Nallanathan

Existing decentralized coded caching solutions cannot guarantee small loads in the general scenario with arbitrary file sizes and cache sizes. In this paper, we propose an optimization framework for decentralized coded caching in the…

信息论 · 计算机科学 2019-05-07 Qi Wang , Ying Cui , Sian Jin , Junni Zou , Chenglin Li , Hongkai Xiong

Stream media content caching is a key enabling technology to promote the value chain of future urban vehicular networks. Nevertheless, the high mobility of vehicles, intermittency of information transmissions, high dynamics of user…

信息论 · 计算机科学 2023-05-15 Biqian Feng , Chenyuan Feng , Daquan Feng , Yongpeng Wu , Xiang-Gen Xia

Caching at the network edge has emerged as a viable solution for alleviating the severe capacity crunch in modern content centric wireless networks by leveraging network load-balancing in the form of localized content storage and delivery.…

信息论 · 计算机科学 2016-06-15 Avik Sengupta , Ravi Tandon

Edge service caching can effectively reduce the delay or bandwidth overhead for acquiring and initializing applications. To address single-base station (BS) transmission limitation and serious edge effect in traditional cellular-based edge…

信号处理 · 电气工程与系统科学 2023-02-22 Langtian Qin , Hancheng Lu , Yao Lu , Chenwu Zhang , Feng Wu

This paper considers a cache-aided device-to-device (D2D) system where the users are equipped with cache memories of different size. During low traffic hours, a server places content in the users' cache memories, knowing that the files…

信息论 · 计算机科学 2019-03-20 Abdelrahman M. Ibrahim , Ahmed A. Zewail , Aylin Yener

We consider a wireless device-to-device (D2D) caching network where n nodes are placed on a regular grid of area A(n). Each node caches L_C*F (coded) bits from a library of size L*F bits, where L is the number of files and F is the size of…

信息论 · 计算机科学 2016-12-23 An Liu , Vincent Lau , Giuseppe Caire

Cache-aided wireless device-to-device (D2D) networks have demonstrated promising performance improvement for video distribution compared to conventional distribution methods. Understanding the fundamental scaling behavior of such networks…

信息论 · 计算机科学 2020-10-12 Ming-Chun Lee , Mingyue Ji , Andreas F. Molisch

To maximize offloading gain of cache-enabled device-to-device (D2D) communications, content placement and delivery should be jointly designed. In this letter, we jointly optimize caching and scheduling policies to maximize successful…

信息论 · 计算机科学 2017-01-19 Binqiang Chen , Chenyang Yang , Zixiang Xiong

This paper comprehensively studies a content-centric mobile network based on a preference learning framework, where each mobile user is equipped with a finite-size cache. We consider a practical scenario where each user requests a content…

网络与互联网体系结构 · 计算机科学 2020-02-21 Adeel Malik , Joongheon Kim , Kwang Soon Kim , Won-Yong Shin

In this paper, we jointly consider communication, caching and computation in a multi-user cache-assisted mobile edge computing (MEC) system, consisting of one base station (BS) of caching and computing capabilities and multiple users with…

信息论 · 计算机科学 2017-08-17 Ying Cui , Wen He , Chun Ni , Chengjun Guo , Zhi Liu

Device-to-device (D2D) communication has become one important part of the 5G cellular networks particularly due to the booming of proximity-based applications, e.g. D2D relays. However, the D2D relays may create strong interference to…

网络与互联网体系结构 · 计算机科学 2017-06-14 Zhaowei Zhu , Shengda Jin , Yu Zeng , Honglin Hu , Xiliang Luo

As data traffic volume continues to increase, caching of popular content at strategic network locations closer to the end user can enhance not only user experience but ease the utilization of highly congested links in the network. A key…

网络与互联网体系结构 · 计算机科学 2023-11-15 Yantong Wang , Vasilis Friderikos

Coded caching is a technique that leverages locally cached contents at the end users to reduce the network's peak-time communication load. Coded caching has been shown to achieve significant performance gains with a centralized placement…

信息论 · 计算机科学 2026-05-01 Yinbin Ma , Daniela Tuninetti