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Caching at mobile devices and leveraging device-to-device (D2D) communication are two promising approaches to support massive content delivery over wireless networks. Analysis of such D2D caching networks based on a physical interference…

Information Theory · Computer Science 2020-03-10 Ramy Amer , M. Majid Butt , Nicola Marchetti

Caching at mobile devices and leveraging cooperative device-to-device (D2D) communications are two promising approaches to support massive content delivery over wireless networks while mitigating the effects of interference. To show the…

Information Theory · Computer Science 2020-05-13 Ramy Amer , Hesham ElSawy , Jacek Kibiłda , M. Majid Butt , Nicola Marchetti

Caching at mobile devices and leveraging device- to-device (D2D) communication are two promising approaches to support massive content delivery over wireless networks. The analysis of cache-enabled wireless networks is usually carried out…

Information Theory · Computer Science 2020-03-25 Ramy Amer , Hesham Elsawy , M. Majid Butt , Eduard A. Jorswieck , Mehdi Bennis , Nicola Marchetti

Device-to-Device (D2D) communications can increase the throughput of cellular networks significantly, where the interference among D2D links should be properly managed. In this paper, we propose an opportunistic cooperative D2D transmission…

Information Theory · Computer Science 2017-02-15 Binqiang Chen , Chenyang Yang , Gang Wang

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…

Information Theory · Computer Science 2017-01-19 Binqiang Chen , Chenyang Yang , Zixiang Xiong

Device-to-device (D2D) communication is a promising approach to optimize the utilization of air interface resources in 5G networks, since it allows decentralized opportunistic short-range communication. For D2D to be useful, mobile nodes…

Information Theory · Computer Science 2016-11-15 Derya Malak , Mazin Al-Shalash , Jeffrey G. Andrews

To achieve the potential in providing high throughput for cellular networks by device-to-device (D2D) communications, the interference among D2D links should be carefully managed. In this paper, we propose an opportunistic cooperation…

Information Theory · Computer Science 2017-02-15 Binqiang Chen , Chenyang Yang , Gang Wang

Device-to-device (D2D) communication enables direct communication between proximate devices thereby improving the overall spectrum utilization and offloading traffic from cellular networks. This paper develops a new spatial model for D2D…

Information Theory · Computer Science 2016-11-17 Mehrnaz Afshang , Harpreet S. Dhillon , Peter Han Joo Chong

We formulate and solve the energy minimization problem for a clustered device-to-device (D2D) network with cache-enabled mobile devices. Devices are distributed according to a Poisson cluster process (PCP) and are assumed to have a surplus…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-08-10 Ramy Amer , M. Majid Butt , Hesham ElSawy , Mehdi Bennis , Jacek Kibiłda , Nicola Marchetti

Device-to-Device (D2D) communications incorporated with content caching have been regarded as a promising way to offload the cellular traffic data. In this paper, the caching strategy is investigated to maximize the D2D offloading gain with…

Signal Processing · Electrical Eng. & Systems 2019-08-05 Yijin Pan , Cunhua Pan , Zhaohui Yang , Ming Chen , Jiangzhou Wang

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…

Signal Processing · Electrical Eng. & Systems 2018-11-28 Ramy Amer , Hesham ElSawy , Jacek Kibiłda , M. Majid Butt , Nicola Marchetti

Proactive wireless caching and device to device (D2D) communication have emerged as promising techniques for enhancing users' quality of service and network performance. In this paper, we propose a new architecture for D2D caching with…

Networking and Internet Architecture · Computer Science 2018-07-04 Ramy Amer , M. Majid Butt , Mehdi Bennis , Nicola Marchetti

Cache-enabled device-to-device (D2D) networks turn memory of the devices at the network edge, such as smart phones and tablets, into bandwidth by enabling asynchronous content sharing directly between proximate devices. Limited storage…

Information Theory · Computer Science 2016-03-08 Mehrnaz Afshang , Harpreet S. Dhillon

We introduce a novel wireless device-to-device (D2D) collaboration architecture that exploits distributed storage of popular content to enable frequency reuse. We identify a fundamental conflict between collaboration distance and…

Information Theory · Computer Science 2012-06-01 Negin Golrezaei , Alexandros G. Dimakis , Andreas F. Molisch

Departing from the conventional cache hit optimization in cache-enabled wireless networks, we consider an alternative optimization approach for the probabilistic caching placement in stochastic wireless D2D caching networks taking into…

Networking and Internet Architecture · Computer Science 2016-11-10 Zheng Chen , Nikolaos Pappas , Marios Kountouris

We consider a cache-aided wireless device-to-device (D2D) network of the type introduced by Ji, Caire, and Molisch [1], where the placement phase is orchestrated by a central server. We assume that the devices' caches are filled with…

Information Theory · Computer Science 2021-06-15 Çağkan Yapar , Kai Wan , Rafael F. Schaefer , Giuseppe Caire

This paper develops a comprehensive analytical framework with foundations in stochastic geometry to characterize the performance of cluster-centric content placement in a cache-enabled device-to-device (D2D) network. Different from…

Information Theory · Computer Science 2016-11-15 Mehrnaz Afshang , Harpreet S. Dhillon , Peter Han Joo Chong

Device-to-Device (D2D) communication as a promising technology in 5G cellular networks provides the communication of the users in the vicinity and thereby decreases end-to-end delay and power consumption. In addition to the aforementioned…

Signal Processing · Electrical Eng. & Systems 2017-10-13 Bao Wenhuan , Mansour Naslcheraghi , Mohammad Shikh-Bahaei

Caching at mobile devices can facilitate device-to-device (D2D) communications, which may significantly improve spectrum efficiency and alleviate the heavy burden on backhaul links. However, most previous works ignored user mobility, thus…

Information Theory · Computer Science 2017-03-07 Rui Wang , Jun Zhang , S. H. Song , Khaled B. Letaief

Caching popular content at mobile devices, accompanied by device-to-device (D2D) communications, is one promising technology for effective mobile content delivery. User mobility is an important factor when investigating such networks, which…

Information Theory · Computer Science 2018-06-12 Rui Wang , Jun Zhang , S. H. Song , Khaled B. Letaief
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