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As the capacity demand of mobile applications keeps increasing, the backhaul network is becoming a bottleneck to support high quality of experience (QoE) in next-generation wireless networks. Content caching at base stations (BSs) is a…

信息论 · 计算机科学 2015-09-03 Xi Peng , Juei-Chin Shen , Jun Zhang , Khaled B. Letaief

This paper studies the maximum throughput achievable with optimal scheduling in multi-hop mmWave picocellular networks with Multi-user Multiple-Input Multiple-Output (MU-MIMO) radios. MU-MIMO enables simultaneous transmission to multiple…

信息论 · 计算机科学 2020-02-21 Felipe Gomez-Cuba , Michele Zorzi

Millimeter-wave (mm-wave) is a promising technique to enhance the network capacity and coverage of next-generation (5G) based on utilizing a great number of available spectrum resources in mobile communication. Improving the 5G network…

Millimeter (mm) wave picocellular networks are a promising approach for delivering the 1000-fold capacity increase required to keep up with projected demand for wireless data: the available bandwidth is orders of magnitude larger than that…

信号处理 · 电气工程与系统科学 2019-04-08 Zhinus Marzi , Upamanyu Madhow

Using tools from stochastic geometry, we develop a framework to model the downlink rate coverage probability of a user in a given small cell network (SCN) with massive MIMO-enabled wireless backhauls. The considered SCN is composed of a…

信息论 · 计算机科学 2017-01-23 Hina Tabassum , Ahmed Hamdi Sakr , Ekram Hossain

Drones are envisaged as an important part of the future 6G systems. With the possibility of their fast deployment they provide additional connectivity options in form of a hotspot. However, typically in such a use case they require…

网络与互联网体系结构 · 计算机科学 2024-03-11 Salim Janji , Paweł Sroka

In the prevailing cellular environment, it is important to provide the resources for the fluctuating traffic demand exactly in the place and at the time where and when they are needed. In this paper, we explored the ability of hierarchical…

计算机与社会 · 计算机科学 2011-10-13 R. K. Jain , Sumit Katiyar , N. K. Agrawal

A linear mesh network is considered in which a single user per cell communicates to a local base station via a dedicated relay (two-hop communication). Exploiting the possibly relevant inter-cell channel gains, rate splitting with…

信息论 · 计算机科学 2007-10-16 O. Simeone , O. Somekh , Y. Bar-Ness , H. V. Poor , S. Shamai

A joint resource allocation (RA), user association (UA), and power control (PC) problem is addressed for proportional fairness maximization in a cooperative multiuser downlink small cell network with limited backhaul capacity, based on…

网络与互联网体系结构 · 计算机科学 2018-08-14 Jonggyu Jang , Hyun Jong Yang , Hyekyung Jwa

The throughput of multicell systems is inherently limited by interference and the available communication resources. Coordinated resource allocation is the key to efficient performance, but the demand on backhaul signaling and computational…

信息论 · 计算机科学 2012-09-12 Emil Björnson , Niklas Jaldén , Mats Bengtsson , Björn Ottersten

Mobile edge caching (MEC) has been introduced to support ever-growing end-users' needs. To reduce the backhaul traffic demand and content delivery latency, cache-enabled edge servers at base stations (BSs) are employed to provision popular…

信号处理 · 电气工程与系统科学 2021-01-01 Susanna Mosleh , Qiang Fan , Lingjia Liu , Jonathan D. Ashdown , Erik Perrins , Kurt Turck

In this paper the problem of allocating the limited backhaul bandwidth among users in Multi-cell MIMO cooperative networks is considered. We approach the problem from both the sum-rate and fairness perspectives. First, we show that there…

最优化与控制 · 数学 2011-06-14 Hazem M. Soliman , Omar A. Nasr , Mohamed M. Khairy

We study co-primary spectrum sharing concept in two small cell multiuser network. Downlink transmission is explored with Rayleigh fading in interfering broadcast channel. Both base stations and all the users are equipped with multiple…

网络与互联网体系结构 · 计算机科学 2018-08-29 Tachporn Sanguanpuak , Sudarshan Guruacharya , Nandana Rajatheva , Matti Latva-aho

The cloud-radio access network (CRAN) is expected to be the core network architecture for next generation mobile radio systems. In this paper, we consider the downlink of a CRAN formed of one central processor (the cloud) and several…

信息论 · 计算机科学 2016-01-28 Oussama Dhifallah , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

In this paper, we study the deployment decisions and location optimization for the remote radio heads (RRHs) in coordinated distributed networks in the presence of a wireless backhaul. We implement a scheme where the RRHs use zero-forcing…

信息论 · 计算机科学 2021-02-15 Hussein A. Ammar , Raviraj Adve , Shahram Shahbazpanahi , Gary Boudreau

This paper discusses the analysis of a fixed-wing unmanned aerial vehicle (UAV)-based millimeter wave (mmWave) backhaul link, that is offered as a cost-effective and easy deploy the solution to connect a disaster or remote area to the…

信号处理 · 电气工程与系统科学 2022-03-10 Mohammad Taghi Dabiri , Mazen Omar Hasna , Nizar Zorba , Tamer Khattab

An integrated access and backhaul (IAB) network architecture can enable flexible and fast deployment of next-generation cellular networks. However, mutual interference between access and backhaul links, small inter-site distance and spatial…

信号处理 · 电气工程与系统科学 2019-07-29 Abdurrahman Fouda , Ahmed S. Ibrahim , Ismail Guvenc , Monisha Ghosh

The wireless backhaul network provides an attractive solution for the urban deployment of fifth generation (5G) wireless networks that enables future ultra dense small cell networks to meet the ever-increasing user demands. Optimal…

网络与互联网体系结构 · 计算机科学 2018-11-20 Xiaohu Ge , Song Tu , Guoqiang Mao , Vincent K. N. Lau , Linghui Pan

Migrating computational intensive tasks from mobile devices to more resourceful cloud servers is a promising technique to increase the computational capacity of mobile devices while saving their battery energy. In this paper, we consider a…

网络与互联网体系结构 · 计算机科学 2016-11-15 Stefania Sardellitti , Gesualdo Scutari , Sergio Barbarossa

Wireless backhaul is considered to be the key part of the future wireless network with dense small cell traffic and high capacity demand. In this paper, we focus on the design of a high spectral efficiency line-of-sight (LoS) multiple-input…

信号处理 · 电气工程与系统科学 2021-04-20 Ye Xue , Xuanyu Zheng , Vincent Lau