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In this paper, analytical assessment of overlay-inband device-to-device (D2D) communications is investigated, under cellular-network-assisted (coordinated) scheduling. To this end, a simple scheduling scheme is assumed that takes into…

信息论 · 计算机科学 2014-04-23 Stelios Stefanatos , Antonis G. Gotsis , Angeliki Alexiou

Multicast device-to-device (D2D) transmission is important for applications like local file transfer in commercial networks and is also a required feature in public safety networks. In this paper we propose a tractable baseline multicast…

信息论 · 计算机科学 2016-11-18 Xingqin Lin , Rapeepat Ratasuk , Amitava Ghosh , Jeffrey G. Andrews

Employing channel adaptive resource allocation can yield to a large enhancement in almost any performance metric of Device-to-Device (D2D) communications. We observe that D2D users are able to estimate their local Channel State Information…

信息论 · 计算机科学 2019-02-26 Rita Ibrahim , Mohamad Assaad , Berna Sayrac , Azeddine Gati

Cache-enabled Device-to-Device (D2D) communication is widely recognized as one of the key components of the emerging fifth generation (5G) cellular network architecture. However, conventional half-duplex (HD) transmission may not be…

信息论 · 计算机科学 2018-02-08 Mansour Naslcheraghi , Mehrnaz Afshang , Harpreet S. Dhillon

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…

信息论 · 计算机科学 2017-02-15 Binqiang Chen , Chenyang Yang , Gang Wang

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…

信号处理 · 电气工程与系统科学 2019-08-05 Yijin Pan , Cunhua Pan , Zhaohui Yang , Ming Chen , Jiangzhou Wang

Recently, interest on the utilization of unmanned aerial vehicles (UAVs) has aroused. Specifically, UAVs can be used in cellular networks as aerial users for delivery, surveillance, rescue search, or as an aerial base station (aBS) for…

信号处理 · 电气工程与系统科学 2020-10-20 Wael Jaafar , Shimaa Naser , Sami Muhaidat , Paschalis C. Sofotasios , Halim Yanikomeroglu

This paper considers the joint power control and resource allocation for a device-to-device (D2D) underlay cellular system with a multi-antenna BS employing ADCs with different resolutions. We propose a four-step algorithm that optimizes…

信息论 · 计算机科学 2019-05-10 Muralikrishnan Srinivasan , Athira Subhash , Sheetal Kalyani

Direct air-to-ground (A2G) communications leveraging the fifth-generation (5G) new radio (NR) can provide high-speed broadband in-flight connectivity to aircraft in the sky. A2G network deployment entails optimizing various design…

信息论 · 计算机科学 2020-11-18 Yun Chen , Xingqin Lin , Talha Khan , Mehrnaz Afshang , Mohammad Mozaffari

In this paper, we investigate the fundamental problem of wireless link scheduling in device-to-device (D2D) networks, through the lens of Riemannian geometry. Our goal is to find a novel metric to characterize interference among D2D pairs,…

信号处理 · 电气工程与系统科学 2021-05-28 Ahmed S. Ibrahim

In this paper, we consider a cooperative device-todevice (D2D) communication system, where the D2D transmitters (DTs) act as relays to assist the densified cellular network users (CUs) for transmission quality of service (QoS) improvement.…

信息论 · 计算机科学 2020-12-08 Yiling Yuan , Tao Yang , Yulin Hu , Hui Feng , Bo Hu

Device to Device (D2D) communication underlying cellular communication can improve the utilization efficiency of resources, and the cellular user equipment (C-UE) can utilize the rental resources for D2D user equipment (D-UE) to obtain…

信号处理 · 电气工程与系统科学 2022-09-13 Linglin Kong

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…

信息论 · 计算机科学 2021-06-15 Çağkan Yapar , Kai Wan , Rafael F. Schaefer , Giuseppe Caire

Spectrum access is an essential problem in device-to-device (D2D) communications. However, with the recent growth in the number of mobile devices, the wireless spectrum is becoming scarce, resulting in low spectral efficiency for D2D…

网络与互联网体系结构 · 计算机科学 2025-08-13 Nguyen Van Huynh , Bolun Zhang , Dinh-Hieu Tran , Dinh Thai Hoang , Diep N. Nguyen , Gan Zheng , Dusit Niyato , Quoc-Viet Pham

Millimeter-wave (mmWave) cellular systems are power-limited and susceptible to blockages. As a result, mmWave connectivity will be likely to be intermittent. One promising approach to increasing mmWave connectivity and range is to use…

信息论 · 计算机科学 2015-10-09 Ning Wei , Xingqin Lin , Zhongpei Zhang

This paper introduces a novel method to enhance the connectivity of multi-reconfigurable intelligent surface-assisted device-to-device networks, referred to as multi-RIS-assisted D2D networks, through a unique phase shift determination. The…

信息论 · 计算机科学 2024-10-08 Mohammed Saif , Mohammad Javad-Kalbasi , Shahrokh Valaee

In this paper, we investigate the delay-throughput trade-offs in mobile ad-hoc networks under two-dimensional i.i.d. mobility models. We consider two mobility time-scales: (i) Fast mobility where node mobility is at the same time-scale as…

网络与互联网体系结构 · 计算机科学 2007-07-13 Lei Ying , Sichao Yang , R. Srikant

We study an one-hop device-to-device (D2D) assisted wireless caching network, where popular files are randomly and independently cached in the memory of end-users. Each user may obtain the requested files from its own memory without any…

信息论 · 计算机科学 2015-12-18 Lin Zhang , Ming Xiao , Gang Wu , Shaoqian Li

Direct Device-to-Satellite (D2S) communications, which enable direct satellite connectivity with unmodified user equipment (UE), not only expand global coverage but also reshape the evolution of future access networks. However, D2S links…

信号处理 · 电气工程与系统科学 2026-04-29 Konstantinos Nikitopoulos , Chathura Jayawardena

This paper investigates the effectiveness of a free disaster response network (free-DRN) and an energy harvesting enabled DRN (EH-enabled DRN) enhanced by cognitive radio (CR) technology and unmanned aerial vehicles (UAVs). In the…

信号处理 · 电气工程与系统科学 2025-02-11 Hossein Mohammadi Firouzjaei , Javad Zeraatkar Moghaddam , Mehrdad Ardebilipour