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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

Device-to-Device (D2D) communications is a technology that allows mobile users to relay information to each other, without access to the cellular network. In this paper, we consider how to dynamically select multi-hop routes for D2D…

网络与互联网体系结构 · 计算机科学 2014-03-28 Yuan Hu , Weisi Guo , Siyi Wang

In this work, we analyze the performance of the uplink (UL) of a cellular network where the base station (BS) locations follow a homogeneous Poisson point process (PPP), and the locations of users and BSs are spatially coupled. In order to…

信息论 · 计算机科学 2018-05-25 Priyabrata Parida , Harpreet S. Dhillon

Mobile edge computing (MEC) and millimeter wave (mmWave) communications are capable of significantly reducing the network's delay and enhancing its capacity. In this paper we investigate a mmWave and device-to-device (D2D) assisted MEC…

信号处理 · 电气工程与系统科学 2022-07-19 Yanzhen Liu , Yunlong Cai , An Liu , Minjian Zhao , Lajos Hanzo

The uplink (UL)/downlink (DL) decoupled access has been emerging as a novel access architecture to improve the performance gains in cellular networks. In this paper, we investigate the UL/DL decoupled access performance in cellular…

信号处理 · 电气工程与系统科学 2022-12-13 Luofang Jiao , Kai Yu , Yunting Xu , Tianqi Zhang , Haibo Zhou , Xuemin , Shen

Device-to-Device (D2D) communication, which enables direct communication between nearby mobile devices, is an attractive add-on component to improve spectrum efficiency and user experience by reusing licensed cellular spectrum in 5G system.…

网络与互联网体系结构 · 计算机科学 2017-03-08 Hongliang Zhang , Yun Liao , Lingyang Song

In spite of its potential advantages, the large-scale implementation of the device-to-device (D2D) communications has yet to be realized, mainly due to severe interference and lack of enough bandwidth in the microwave ($\mu$W) band.…

信息论 · 计算机科学 2018-02-12 Niloofar Bahadori , Nima Namvar , Brian Kelley , Abdollah Homaifar

This paper presents a framework that enables characterizing analytically the spectral efficiency achievable by D2D (device-to-device) communication integrated with a cellular network. This framework is based on a stochastic geometry…

信息论 · 计算机科学 2016-11-17 Geordie George , Ratheesh K. Mungara , Angel Lozano

In this paper, we analyse the coverage probability and the area spectral efficiency (ASE) for the uplink (UL) of dense small cell networks (SCNs) considering a practical path loss model incorporating both line-of-sight (LoS) and…

信息论 · 计算机科学 2017-01-05 Tian Ding , Ming Ding , Guoqiang Mao , Zihuai Lin , David Lopez-Perez , Albert Zomaya

In one of the several manifestations, the future cellular networks are required to accommodate a massive number of devices; several orders of magnitude compared to today's networks. At the same time, the future cellular networks will have…

3D beamforming is a promising approach for interference coordination in cellular networks which brings significant improvements in comparison with conventional 2D beamforming techniques. This paper investigates the problem of joint…

信息论 · 计算机科学 2017-01-16 Soheil Khavari Moghaddam , S. Mohammad Razavizadeh

The introduction of device-to-device (D2D) into cellular networks poses many new challenges in the resource allocation design due to the co-channel interference caused by spectrum reuse and limited battery life of user equipments (UEs). In…

网络与互联网体系结构 · 计算机科学 2016-11-17 Zhenyu Zhou , Mianxiong Dong , Kaoru Ota , Jun Wu , Takuro Sato

With the extensive acquisition of various mobile applications, cellular networks are facing challenges due to exponentially growing demand for high data rate, which causes a great burden on mobile core networks and backhaul links.…

网络与互联网体系结构 · 计算机科学 2021-05-04 Mansour Naslcheraghi , Constant Wette , Brunilde Sanso

Device-to-device (D2D) communication enables us to spread information in the local area without infrastructure support. In this paper, we focus on information spreading in mobile wireless networks where all nodes move around. The source…

网络与互联网体系结构 · 计算机科学 2014-06-04 Jinho Choi , Seung Min Yu , Seong-Lyun Kim

In this paper, we propose a novel policy for device caching that facilitates popular content exchange through high-rate device-to-device (D2D) millimeter-wave (mmWave) communication. The D2D-aware caching (DAC) policy splits the cacheable…

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

Cell-free massive MIMO (CF-mMIMO) provides wireless connectivity for a large number of user equipments (UEs) using access points (APs) distributed across a wide area with high spectral efficiency (SE). The energy efficiency (EE) of the…

Device-to-device (D2D) communication is being heralded as an important part of the solution to the capacity problem in future networks, and is expected to be natively supported in 5G. Given the high network complexity and required…

网络与互联网体系结构 · 计算机科学 2016-08-30 Conor Sexton , Quentin Bodinier , Arman Farhang , Nicola Marchetti , Faouzi Bader , Luiz A. DaSilva

This paper proposes a centralized decision making framework at the macro base station (MBS) for device to device (D2D) communication underlaying a two-tier cellular network. We consider a D2D pair in the presence of an MBS and a femto…

信息论 · 计算机科学 2016-11-15 Yifei Huang , Ali A. Nasir , Salman Durrani , Xiangyun Zhou

It is expected that 5G/6G networks will exploit sub-6 GHz, millimetre wave (mmWave) and terahertz (THz) frequency bands simultaneously and will increase flexibility in user equipment (UE)-cell association. In this paper, we introduce a…

信息论 · 计算机科学 2024-09-13 Yunbai Wang , Chen Chen , Xiaoli Chu