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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…

Optimization and Control · Mathematics 2018-04-16 Amrit S. Bedi , Ketan Rajawat , Marceau Coupechoux

Device-to-Device (D2D) communication can support the operation of cellular systems by reducing the traffic in the network infrastructure. In this paper, the benefits of D2D communication are investigated in the context of a Fog-Radio Access…

Information Theory · Computer Science 2018-04-05 Roy Karasik , Osvaldo Simeone , Shlomo Shamai

This work studies the role of inter-user device-to-device (D2D) cooperation for improving physical-layer secret communication in multi-user downlink systems. It is assumed that there are out-of-band D2D channels, on each of which a selected…

Signal Processing · Electrical Eng. & Systems 2021-06-09 Seok-Hwan Park , Xianglan Jin

In this paper, we study the resource allocation problem for a cooperative device-to-device (D2D)-enabled wireless caching network, where each user randomly caches popular contents to its memory and shares the contents with nearby users…

Information Theory · Computer Science 2018-08-22 Jiaqi Liu , Shengjie Guo , Sa Xiao , Miao Pan , Xiangwei Zhou , Geoffrey Ye Li , Gang Wu , Shaoqian Li

Caching at mobile devices, accompanied by device-to-device (D2D) communications, is one promising technique to accommodate the exponentially increasing mobile data traffic. While most previous works ignored user mobility, there are some…

Information Theory · Computer Science 2017-02-21 Rui Wang , Jun Zhang , S. H. Song , K. B. Letaief

In this paper, a deep learning (DL) framework for the optimization of the resource allocation in multi-channel cellular systems with device-to-device (D2D) communication is proposed. Thereby, the channel assignment and discrete transmit…

Information Theory · Computer Science 2020-11-26 Woongsup Lee , Robert Schober

The evolution of conventional wireless communication networks to the fifth generation (5G) is driven by an explosive increase in the number of wireless mobile devices and services, as well as their demand for all-time and everywhere…

Networking and Internet Architecture · Computer Science 2017-08-15 Georgios I. Tsiropoulos , Animesh Yadav , Ming Zeng , Octavia A. Dobre

We analyze a novel architecture for caching popular video content to enable wireless device-to-device collaboration. We focus on the asymptotic scaling characteristics and show how they depends on video content popularity statistics. We…

Networking and Internet Architecture · Computer Science 2012-08-18 Negin Golrezaei , Alexandros G. Dimakis , Andreas F. Molisch

Device-to-device (D2D) communications are now considered as an integral part of future 5G networks which will enable direct communication between user equipment (UE) without unnecessary routing via the network infrastructure. This…

Information Theory · Computer Science 2016-05-12 Young Jin Chun , Simon L. Cotton , Harpreet S. Dhillon , Ali Ghrayeb , Mazen O. Hasna

Device-to-device (D2D) communications recently have attracted much attention for its potential capability to improve spectral efficiency underlaying the existing heterogeneous networks (HetNets). Due to no sophisticated control, D2D user…

Information Theory · Computer Science 2017-09-18 Kecheng Zhang , Mugen Peng , Ping Zhang , Xuelong Li

While there is a drastic shift from host-centric networking to content-centric networking, how to locate and retrieve the relevant content efficiently, especially in a mobile network, is still an open question. Mobile devices host…

Networking and Internet Architecture · Computer Science 2015-11-17 Suzan Bayhan , Esa Hyytiä , Jussi Kangasharju , Jörg Ott

We study a scenario in which multiple uncoordinated devices aim to achieve reliable transmissions within a given time frame. The devices are intermittently active and access a shared pool of channel resources in a grant-free manner by…

Information Theory · Computer Science 2024-04-19 Radosław Kotaba , Roope Vehkalahti , Čedomir Stefanović , Olav Tirkkonen , Petar Popovski

Probabilistic forecasting provides a principled framework for uncertainty quantification in dynamical systems by representing predictions as probability distributions rather than deterministic trajectories. However, existing forecasting…

Machine Learning · Statistics 2026-03-27 Tianlin Yang , Hailiang Du , Louis Aslett

In order to preserve the privacy of the users demands from other users, in this paper we formulate a novel information theoretic Device-to-Device (D2D) private caching model by adding a trusted server. In the delivery phase, the trusted…

Information Theory · Computer Science 2021-06-18 Kai Wan , Hua Sun , Mingyue Ji , Daniela Tuninetti , Giuseppe Caire

Network-assisted device-to-device communication is a promising technology for improving the performance of proximity-based services. This paper demonstrates how the integration of device-to-device communications and dynamic time-division…

Information Theory · Computer Science 2015-06-02 Demia Della Penda , Liqun Fu , Mikael Johansson

Device-to-device (D2D) communication has huge potential for capacity and coverage enhancements for next generation cellular networks. The number of potential nodes for D2D communication is an important parameter that directly impacts the…

Information Theory · Computer Science 2016-03-08 Hafiz Attaul Mustafa , Muhammad Zeeshan Shakir , Muhammad Ali Imran , Ali Imran , Rahim Tafazolli

In this paper, we present a device-to-device (D2D) transmission scheme for aiding long-range frequency hopping spread spectrum (LR-FHSS) LoRaWAN protocol with application in direct-to-satellite IoT networks. We consider a practical…

Signal Processing · Electrical Eng. & Systems 2022-12-09 Alireza Maleki , Ha H. Nguyen , Ebrahim Bedeer , Robert Barton

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 2018-09-30 Yi Li , Chen Zhong , M. Cenk Gursoy , Senem Velipasalar

As an alternative to downloading content from a cellular access network, mobile devices could be used to store data files and distribute them through device-to-device (D2D) communication. We consider a D2D-based storage community that is…

Networking and Internet Architecture · Computer Science 2013-09-25 J. Pääkkönen , C. Hollanti , O. Tirkkonen

Industrial automation deployments constitute challenging environments where moving IoT machines may produce high-definition video and other heavy sensor data during surveying and inspection operations. Transporting massive contents to the…

Networking and Internet Architecture · Computer Science 2018-02-21 Antonino Orsino , Roman Kovalchukov , Andrey Samuylov , Dmitri Moltchanov , Sergey Andreev , Yevgeni Koucheryavy , Mikko Valkama