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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

Devices in a device-to-device (D2D) network operating in sub-THz frequencies require knowledge of the spatial channel that connects them to their peers. Acquiring such high dimensional channel state information entails large overhead, which…

Signal Processing · Electrical Eng. & Systems 2024-12-23 Fernando Pedraza , Jan Christian Hauffen , Fabian Jaensch , Shuangyang Li , Giuseppe Caire

Underlaying device-to-device (D2D) communications to a cellular network is considered as a key technique to improve spectral efficiency in 5G networks. For such D2D systems, mode selection and resource allocation have been widely utilized…

Information Theory · Computer Science 2016-03-01 Rui Wang , Jun Zhang , S. H. Song , K. B. Letaief

In this paper, we investigate the resource allocation problem for D2D communications underlaying wireless powered communication networks, where multiple D2D pairs harvest energy from a power station equipped with multiple antennas and then…

Information Theory · Computer Science 2018-06-08 Haichao Wang , Jinlong Wang , Guoru Ding , Zhu Han

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 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

Cellular offloading in device-to-device communication is a challenging optimisation problem in which the improved allocation of radio resources can increase spectral efficiency, energy efficiency, throughout and reduce latency. The academic…

Systems and Control · Electrical Eng. & Systems 2021-01-28 David Cotton , Zenon Chaczko

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

In this paper, we develop a comprehensive analytical framework for cache enabled cellular networks overlaid with coordinated device-to-device (D2D) communication. We follow an approach similar to LTE Direct, where the base station (BS) is…

Networking and Internet Architecture · Computer Science 2017-12-21 Asma Afzal , Syed Ali Raza Zaidi , Des McLernon , Mounir Ghogho

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

In this paper, we propose a new design framework on Device-to-Device (D2D) coded caching networks with optimal rate but significantly less file subpacketizations compared to that of the well-known D2D coded caching scheme proposed by Ji,…

Information Theory · Computer Science 2020-04-15 Xiang Zhang , Mingyue Ji

The proliferation of Internet-of-Things (IoT) devices and cloud-computing applications over siloed data centers is motivating renewed interest in the collaborative training of a shared model by multiple individual clients via federated…

Information Theory · Computer Science 2021-10-14 Hong Xing , Osvaldo Simeone , Suzhi Bi

Device to Device (D2D) communication takes advantage of the proximity between the communicating devices in order to achieve efficient resource utilization, improved throughput and energy efficiency, simultaneous serviceability and reduced…

Information Theory · Computer Science 2022-06-15 Tariq Islam , Cheolhyeon Kwon

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

Multicasting for disseminating popular data is an interesting solution for improving the energy and spectral efficiencies of cellular networks. To improve the achievable performance of such networks, underlay device-to-device (D2D)…

Networking and Internet Architecture · Computer Science 2019-09-10 Ajay Bhardwaj , Samar Agnihotri

In this paper, we investigate the problem of minimizing the frame completion delay for Instantly Decodable Network Coding (IDNC) in relay-assisted wireless multicast networks. We first propose a packet recovery algorithm in the single relay…

Networking and Internet Architecture · Computer Science 2016-11-17 Adel M. Elmahdy , Sameh Sorour , Karim G. Seddik

This paper studies the benefits of incorporating underlaid full-duplex (FD) device-to-device (D2D) communications into massive multiple-input-multiple-output (MIMO) downlink systems. Due to the nature of cellular downlink and FD D2D…

Signal Processing · Electrical Eng. & Systems 2020-11-11 Hung V. Vu , Tho Le-Ngoc

Today, various machine learning (ML) applications offer continuous data processing and real-time data analytics at the edge of a wireless network. Distributed real-time ML solutions are highly sensitive to the so-called straggler effect…

Machine Learning · Computer Science 2024-10-28 Nikita Zeulin , Olga Galinina , Nageen Himayat , Sergey Andreev , Robert W. Heath

A delay-optimal caching problem (DOCP) in deviceto- device (D2D) networks with moblity is modelled. The problem arises in the context of achieving offloading using device caching, and the offloading effect is represented by the expected…

Networking and Internet Architecture · Computer Science 2018-01-19 Tao Deng , Lei You , Pingzhi Fan , Di Yuan

With the exponential growth of mobile data, there are increasing interests to deploy small cells in millimeter wave (mmWave) bands to underlay the conventional homogeneous macrocell network as well as in exploiting device-to-device (D2D)…

Networking and Internet Architecture · Computer Science 2018-11-27 Yong Niu , Liren Yu , Yong Li , Zhangdui Zhong , Bo Ai , Sheng Chen
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