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This paper studies the performance of cache-enabled dense small cell networks consisting of multi-antenna sub-6 GHz and millimeter-wave base stations. Different from the existing works which only consider a single antenna at each base…

Networking and Internet Architecture · Computer Science 2018-01-18 Yongxu Zhu , Gan Zheng , Lifeng Wang , Kai-Kit Wong , Liqiang Zhao

Recently, physical layer (PHY) caching has been proposed to exploit the dynamic side information induced by caches at base stations (BSs) to support Coordinated Multi-Point (CoMP) and achieve huge degrees of freedom (DoF) gains. Due to the…

Information Theory · Computer Science 2018-10-18 An Liu , Vincent Lau , Wenchao Ding , Edmund Yeh

We investigate on the scalability of multihop wireless communications, a major concern in networking, for the case that users access content replicated across the nodes. In contrast to the standard paradigm of randomly selected…

Networking and Internet Architecture · Computer Science 2015-03-20 S. Gitzenis , G. S. Paschos , L. Tassiulas

Recently, wireless caching techniques have been studied to satisfy lower delay requirements and offload traffic from peak periods. By storing parts of the popular files at the mobile users, users can locate some of their requested files in…

Information Theory · Computer Science 2017-04-10 Yi Li , M. Cenk Gursoy , Senem Velipasalar

Device-to-device (D2D) technology is one of the key research areas in 5G/6G networks, and full-duplex (FD) D2D will further enhance its spectral efficiency (SE). In recent years, deep learning approaches have shown remarkable performance in…

Information Theory · Computer Science 2024-01-11 Xinxin Zhang , Lei Gao

Mobile edge computing (MEC) is a prominent computing paradigm which expands the application fields of wireless communication. Due to the limitation of the capacities of user equipments and MEC servers, edge caching (EC) optimization is…

Machine Learning · Computer Science 2022-07-12 Shengheng Liu , Chong Zheng , Yongming Huang , Tony Q. S. Quek

Cellular network performance can significantly benefit from direct device-to-device (D2D) communication, but interference from cochannel D2D communication limits the performance gain. In hybrid networks consisting of D2D and cellular links,…

Information Theory · Computer Science 2014-12-16 Qiaoyang Ye , Mazin Al-Shalash , Constantine Caramanis , Jeffrey G. Andrews

Network based on distributed caching of content is a new architecture to alleviate the ongoing explosive demands for rate of multi-media traffic. In caching networks, coded caching is a recently proposed technique that achieves significant…

Information Theory · Computer Science 2017-10-16 Qifa Yan , Xiaohu Tang , Qingchun Chen

In device-to-device (D2D)-enabled caching cellular networks, the user terminals (UTs) collaboratively store and share a large volume of popular contents from the base station (BS) for traffic offloading and delivery delay reduction. In this…

Networking and Internet Architecture · Computer Science 2019-10-21 Tiankui Zhang , Xinyuan Fang , Yuanwei Liu , Geoffrey Ye Li , Wenjun Xu

Similarity caching systems have recently attracted the attention of the scientific community, as they can be profitably used in many application contexts, like multimedia retrieval, advertising, object recognition, recommender systems and…

Networking and Internet Architecture · Computer Science 2021-02-10 Michele Garetto , Emilio Leonardi , Giovanni Neglia

As wireless video transmission is the fastest-growing form of data traffic, methods for spectrally efficient video on-demand wireless streaming are essential to service providers and users alike. A key property of video on-demand is the…

Information Theory · Computer Science 2016-11-17 Mingyue Ji , Giuseppe Caire , Andreas F. Molisch

Design of distributed caching mechanisms is considered as an active area of research due to its promising solution in reducing data load in the backhaul link of a cellular network. In this paper, the problem of distributed content caching…

Information Theory · Computer Science 2020-10-14 S. Krishnendu , B. N. Bharath , Navneet Garg , Vimal Bhatia , Tharmalingam Ratnarajah

We consider a cooperative device-to-device (D2D) communication system, where the D2D transmitters (DTs) act as relays to assist cellular users (CUs) in exchange for the opportunities to use the licensed spectrum. To reduce the overhead, we…

Information Theory · Computer Science 2019-09-23 Yiling Yuan , Tao Yang , Yulin Hu , Hui Feng , Bo Hu

We investigate the problem of coded caching for nonuniform demands when the structured clique cover algorithm proposed by Maddah-Ali and Niesen for decentralized caching is used for delivery. We apply this algorithm to all user demands…

Information Theory · Computer Science 2018-04-04 Seyed Ali Saberali , Lutz Lampe , Ian Blake

Content-centric mobile hybrid Internet-of-Things (IoT) networks consisting of mobile devices and static femto access points (FAPs) are studied, where each device moves according to the random walk mobility model and requests a content…

Information Theory · Computer Science 2018-10-30 Trung-Anh Do , Sang-Woon Jeon , Won-Yong Shin

Device-to-Device (D2D) communications is a technology that allows mobile users to relay information to each other, without access to the cellular network. In this paper, we consider how to dynamically select multi-hop routes for D2D…

Networking and Internet Architecture · Computer Science 2014-03-28 Yuan Hu , Weisi Guo , Siyi Wang

The design of caching algorithms to maximize hit probability has been extensively studied. In this paper, we associate each content with a utility, which is a function of either the corresponding content hit rate or hit probability. We…

Networking and Internet Architecture · Computer Science 2019-03-06 Nitish K. Panigrahy , Jian Li , Don Towsley , Christopher V. Hollot

We consider content caching between a service provider and multiple cache-enabled users, using the recently proposed modified coded caching scheme (MCCS) that provides an improved delivery strategy for random user requests. We develop the…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-05-20 Yong Deng , Min Dong

We consider the data shuffling problem in a distributed learning system, in which a master node is connected to a set of worker nodes, via a shared link, in order to communicate a set of files to the worker nodes. The master node has access…

Information Theory · Computer Science 2020-06-24 Adel Elmahdy , Soheil Mohajer

Content dissemination networks are pervasive in todays Internet. Examples of content dissemination networks include peer-to-peer networks (P2P), content distribution networks (CDN) and information centric networks (ICN). In this paper, we…

Networking and Internet Architecture · Computer Science 2019-03-07 Guilherme de Melo Baptista Domingues , Edmundo Albuquerque de Souza e Silva , Rosa Maria Meri Leão , Daniel Sadoc Menasché