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In this paper, we study the coexistence and synergy between edge and central cloud computing in a heterogeneous cellular network (HetNet), which contains a multi-antenna macro base station (MBS), multiple multi-antenna small base stations…

Networking and Internet Architecture · Computer Science 2019-10-28 Xiaoyan Hu , Lifeng Wang , Kai-Kit Wong , Yangyang Zhang , Zhongbin Zheng , Meixia Tao

The millimeter wave (mmWave) band, which is a prime candidate for 5G cellular networks, seems attractive for wireless energy harvesting. This is because it will feature large antenna arrays as well as extremely dense base station (BS)…

Information Theory · Computer Science 2017-03-14 Talha Ahmed Khan , Ahmed Alkhateeb , Robert W. Heath

In this paper, we jointly consider the downlink simultaneous wireless information and power transfer (SWIPT) and uplink information transmission in unmanned aerial vehicle (UAV)-assisted millimeter wave (mmWave) cellular networks, in which…

Signal Processing · Electrical Eng. & Systems 2021-04-19 Xueyuan Wang , M. Cenk Gursoy

We propose a fixed wing unmanned aerial vehicles (UAV)-based millimeter wave (mmWave) backhaul links, that is offered as a cost effective and easy to deploy solution, to connect a disaster or remote area to the nearest core network. First,…

Signal Processing · Electrical Eng. & Systems 2022-04-13 Mohammad Taghi Dabiri , Mazen Omar Hasna , Nizar Zorba , Tamer Khattab

In mobile millimeter wave (mmWave) systems, energy is a scarce resource due to the large losses in the channel and high energy usage by analog-to-digital converters (ADC), which scales with bandwidth. In this paper, we consider a…

Information Theory · Computer Science 2017-10-04 Morteza Hashemi , C. Emre Koksal , Ness B. Shroff

Ultra-dense network (UDN) has been considered as a promising candidate for future 5G network to meet the explosive data demand. To realize UDN, a reliable, Gigahertz bandwidth, and cost-effective backhaul connecting ultra-dense small-cell…

Information Theory · Computer Science 2016-11-17 Zhen Gao , Linglong Dai , De Mi , Zhaocheng Wang , Muhammad Ali Imran , Muhammad Zeeshan Shakir

Providing backhaul connectivity for macro and pico base stations (BSs) constitutes a significant share of infrastructure costs in future heterogeneous networks (HetNets). To address this issue, the emerging idea of flexible backhaul is…

Information Theory · Computer Science 2020-08-28 Naeimeh Omidvar , An Liu , Vincent Lau , Fan Zhang , Danny H. K. Tsang , Mohammad Reza Pakravan

The next generations of vehicles will require data transmission rates in the order of terabytes per driving hour, to support advanced automotive services. This unprecedented amount of data to be exchanged goes beyond the capabilities of…

Networking and Internet Architecture · Computer Science 2018-03-06 Marco Giordani , Mattia Rebato , Andrea Zanella , Michele Zorzi

Network densification, massive multiple-input multiple-output (MIMO) and millimeter-wave (mmWave) bands have recently emerged as some of the physical layer enablers for the future generations of wireless communication networks (5G and…

Signal Processing · Electrical Eng. & Systems 2019-02-21 Guillem Femenias , Felip Riera-Palou

Millimeter-wave (mmWave) communication is a promising technology to cope with the exponential increase in 5G data traffic. Such networks typically require a very dense deployment of base stations. A subset of those, so-called macro base…

Networking and Internet Architecture · Computer Science 2020-07-07 Dingwen Yuan , Hsuan-Yin Lin , Jörg Widmer , Matthias Hollick

To meet increasing data demands, service providers are considering the use of Unmanned aerial vehicles (UAVs) for delivering connectivity as aerial base stations (BSs). UAVs are especially important to provide connectivity in case of…

Information Theory · Computer Science 2019-10-29 Nour Kouzayha , Hesham ElSawy , Hayssam Dahrouj , Khlood Alshaikh , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Millimeter-wave (mmWave) communication is a promising technology to cope with the expected exponential increase in data traffic in 5G networks. mmWave networks typically require a very dense deployment of mmWave base stations (mmBS). To…

Networking and Internet Architecture · Computer Science 2017-12-15 Dingwen Yuan , Hsuan-Yin Lin , Joerg Widmer , Matthias Hollick

In this work new achievable rates are derived, for the uplink channel of a cellular network with joint multicell processing, where unlike previous results, the ideal backhaul network has finite capacity per-cell. Namely, the cell sites are…

Information Theory · Computer Science 2008-06-02 Amichai Sanderovich , Oren Somekh , H. Vincent Poor , Shlomo Shamai

Carrier aggregation (CA) and small cells are two distinct features of next-generation cellular networks. Cellular networks with small cells take on a very heterogeneous characteristic, and are often referred to as HetNets. In this paper, we…

Information Theory · Computer Science 2016-11-17 Xingqin Lin , Jeffrey G. Andrews , Amitava Ghosh

Faced with increasing network traffic demands, cell dense deployment is one of significant means to utilize spectrum resources efficiently to improve network capacity. Multi-hop integrated access and backhaul (IAB) architectures have…

Neural and Evolutionary Computing · Computer Science 2025-04-07 Shuaifeng Zhang

Future generations of cellular systems presume to use an extremely high number of antennas to enable mm waves. Increasing the number of antennas requires a growth in connections between a remote radio head (RRH) and a baseband unit (BBU).…

Information Theory · Computer Science 2024-10-07 Roman Bychkov , Andrey Dergachev , Alexander Osinsky , Dmitry Lakontsev , Andrey Ivanov

User-centric and low latency communications can be enabled not only by small cells but also through ubiquitous connectivity. Recently, the vertical heterogeneous network (V-HetNet) architecture is proposed to backhaul/fronthaul a large…

Information Theory · Computer Science 2020-09-16 Kürşat Tekbıyık , Ali Rıza Ekti , Güneş Karabulut Kurt , Ali Görçin , Halim Yanıkömeroğlu

We propose a hybrid architecture that integrates RF (i.e., sub-6 GHz) and millimeter wave (mmWave) technologies for 5G cellular systems. In particular, communications in the mmWave band faces significant challenges due to variable channels,…

Information Theory · Computer Science 2017-06-12 Morteza Hashemi , C. Emre Koksal , Ness B. Shroff

Nowadays, data caching is being used as a high-speed data storage layer in mobile edge computing networks employing flow control methodologies at an exponential rate. This study shows how to discover the best architecture for backhaul…

Networking and Internet Architecture · Computer Science 2022-11-29 Amir Ziaeddini , Amin Mohajer , Davoud Yousefi , A. Mirzaei , Shu Gonglee

In this paper, we provide an analytical framework to analyze heterogeneous downlink mmWave cellular networks consisting of K tiers of randomly located base stations (BSs) where each tier operates in a mmWave frequency band.…

Information Theory · Computer Science 2017-04-05 Esma Turgut , M. Cenk Gursoy