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We propose a cellular architecture that combines multiuser MIMO (MU-MIMO) downlink with opportunistic use of unlicensed ISM bands to establish device-to-device (D2D) cooperation. The architecture consists of a physical-layer cooperation…

信息论 · 计算机科学 2017-03-08 Can Karakus , Suhas Diggavi

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

Wireless network virtualization and information-centric networking (ICN) are two promising technologies for next generation wireless networks. Although some excellent works have focused on these two technologies, device-to-device (D2D)…

网络与互联网体系结构 · 计算机科学 2016-12-26 Kan Wang , F. Richard Yu , Hongyan Li , Zhengquan Li

The Fifth Generation (5G) wireless service of sensor networks involves significant challenges when dealing with the coordination of ever-increasing number of devices accessing shared resources. This has drawn major interest from the…

网络与互联网体系结构 · 计算机科学 2021-11-30 Bin Han , Vincenzo Sciancalepore , Oliver Holland , Mischa Dohler , Hans D. Schotten

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…

系统与控制 · 电气工程与系统科学 2021-01-28 David Cotton , Zenon Chaczko

In this paper, we study the resource allocation in D2D underlaying cellular network with uncertain channel state information (CSI). For satisfying the diversity requirements of different users, i.e. the minimum rate requirement for cellular…

信息论 · 计算机科学 2021-05-19 Weihua Wu , Runzi Liu , Qinghai Yang , Tony Q. S. Quek

With the rapid growth of smartphone and tablet users, Device-to-Device (D2D) communications have become an attractive solution for enhancing the performance of traditional cellular networks. However, relevant security issues involved in D2D…

密码学与安全 · 计算机科学 2016-11-18 Wenlong Shen , Weisheng Hong , Xianghui Cao , Bo Yin , Devu Manikantan Shila , Yu Cheng

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

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

The heterogeneous cellular networks (HCNs) with device-to-device (D2D) communications have been a promising solution to cost-efficient delivery of high data rates. A key challenge in such D2D-enabled HCNs is how to design an effective…

信息论 · 计算机科学 2015-12-15 Tianqing Zhou , Yongming Huang , Luxi Yang

This paper proposes Leader in Charge (LiC), a reliable multicast architecture for device-to-device (D2D) radio underlaying cellular networks. The multicast-requesting user equipments (UEs) in close proximity form a D2D cluster to receive…

多媒体 · 计算机科学 2012-03-06 Wei Yang , Wanlu Sun , Lihua Li

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…

信息论 · 计算机科学 2020-03-25 Ramy Amer , Hesham Elsawy , M. Majid Butt , Eduard A. Jorswieck , Mehdi Bennis , Nicola Marchetti

A device-to-device (D2D) wireless network is considered, where user devices also have the ability to cache content. In such networks, users are mobile and communication links can be spontaneously activated and dropped depending on the…

网络与互联网体系结构 · 计算机科学 2016-11-09 Chedia Jarray , Anastasios Giovanidis

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…

信号处理 · 电气工程与系统科学 2021-06-09 Seok-Hwan Park , Xianglan Jin

In this paper, we present a framework for resource allocations for multicast device-to-device (D2D) communications underlaying a cellular network. The objective is to maximize the sum throughput of active cellular users (CUs) and feasible…

网络与互联网体系结构 · 计算机科学 2017-05-05 Hadi Meshgi , Dongmei Zhao , Rong Zheng

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…

信息论 · 计算机科学 2018-08-22 Jiaqi Liu , Shengjie Guo , Sa Xiao , Miao Pan , Xiangwei Zhou , Geoffrey Ye Li , Gang Wu , Shaoqian Li

We consider a cache-aided wireless device-to-device (D2D) network under the constraint of one-shot delivery, where the placement phase is orchestrated by a central server. We assume that the devices' caches are filled with uncoded data, and…

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

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…

网络与互联网体系结构 · 计算机科学 2013-09-25 J. Pääkkönen , C. Hollanti , O. Tirkkonen

Multimedia content transmission heavily taxes network resources and puts a significant burden on wireless systems in terms of capacity and energy consumption. In this context, device-to-device (D2D) paradigm has a utilitarian value to…

网络与互联网体系结构 · 计算机科学 2021-06-21 S. Sinem Kafıloğlu , Gürkan Gür , Fatih Alagöz

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…

信息论 · 计算机科学 2018-06-12 Rui Wang , Jun Zhang , S. H. Song , Khaled B. Letaief