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This work analyzes a mmWave single-cell network, which comprises a macro base station (BS) and an overlaid tier of small-cell BSs using a wireless backhaul for data traffic. We look for the optimal number of antennas at both BS and…

Information Theory · Computer Science 2017-03-29 Andrea Pizzo , Luca Sanguinetti

Caching the content closer to the user equipments (UEs) in heterogenous cellular networks (HetNets) improves user-perceived Quality-of-Service (QoS) while lowering the operators backhaul usage/costs. Nevertheless, under the current…

Information Theory · Computer Science 2019-02-01 M. G. Khoshkholgh , Keivan Navaie , Kang G. Shin , V. C. M. Leung , Halim Yanikomeroglu

Limited backhaul bandwidth and blockage effects are two main factors limiting the practical deployment of millimeter wave (mmWave) networks. To tackle these issues, we study the feasibility of relaying as well as caching in mmWave networks.…

Networking and Internet Architecture · Computer Science 2020-08-19 Zhuojia Gu , Hancheng Lu , Ming Zhang , Haizhou Sun , Chang Wen Chen

With the emergence of millimeter-Wave (mmWave) communication technology, the capacity of mobile backhaul networks can be significantly increased. On the other hand, Mobile Edge Computing (MEC) provides an appropriate infrastructure to…

Networking and Internet Architecture · Computer Science 2018-10-04 Kyoomars Alizadeh Noghani , Hakim Ghazzai , Andreas Kassler

In this paper, we first introduce a generalized modeling and analysis framework to explore the fundamental interactions between user association, coverage probability and link rate in a millimeter wave (mmWave) heterogeneous cellular…

Information Theory · Computer Science 2018-11-21 Chun-Hung Liu

Integrated access and backhaul (IAB) is one of the promising techniques for 5G networks and beyond (6G), in which the same node/hardware is used to provide both backhaul and cellular services in a multi-hop fashion. Due to the sensitivity…

Networking and Internet Architecture · Computer Science 2022-10-12 Charitha Madapatha , Behrooz Makki , Hao Guo , Tommy Svensson

The communication at mmWave frequencies is a promising enabler for ultra high data rates in the next generation of mobile cellular networks (5G). The harsh propagation environment at such high frequencies, however, demands a dense base…

Networking and Internet Architecture · Computer Science 2019-11-11 Michele Polese , Marco Giordani , Arnab Roy , Douglas Castor , Michele Zorzi

Millimeter Wave (MmWave) communication is one of the key technology of the fifth generation (5G) wireless systems to achieve the expected 1000x data rate. With large bandwidth at mmWave band, the link capacity between users and base…

Signal Processing · Electrical Eng. & Systems 2019-03-19 Mingjie Feng , Shiwen Mao

Recently, there has been considerable interest in new tiered network cellular architectures, which would likely use many more cell sites than found today. Two major challenges will be i) providing backhaul to all of these cells and ii)…

Information Theory · Computer Science 2016-11-15 Sooyoung Hur , Taejoon Kim , David J. Love , James V. Krogmeier , Timothy A. Thomas , Amitava Ghosh

The mobile users on board vehicles often experience low quality of service due to the vehicular penetration effect, especially at the cell edges. The so-called mobile-cells are installed inside public transport vehicles to serve the…

Signal Processing · Electrical Eng. & Systems 2018-08-07 Shan Jaffry , Syed Faraz Hasan , Xiang Gui

Millimeter-wave (mmWave) communication is considered as an indispensable technique for the next-generation backhaul/fronthaul network thanks to its large transmission bandwidth. Especially for heterogeneous network (HetNet), the mmWave…

Information Theory · Computer Science 2018-09-11 Yiwei Sun , Zhen Gao , Hua Wang , Di Wu

Wireless backhaul allows densification of mobile networks without incurring additional fiber deployment cost. This, in turn, leads to high spatial reuse, which is a significant tool to meet increasing wireless demand in 5G networks.…

Information Theory · Computer Science 2018-04-03 Muhammad Nazmul Islam , Navid Abedini , Georg Hampel , Sundar Subramanian , Junyi Li

Caching at the edge is a promising technique to cope with the increasing data demand in wireless networks. This paper analyzes the performance of cellular networks consisting of a tier macro-cell wireless backhaul nodes overlaid with a tier…

Information Theory · Computer Science 2017-05-25 Italo Atzeni , Marco Maso , Imène Ghamnia , Ejder Baştuğ , Mérouane Debbah

Wireless backhauling at millimeter-wave frequencies (mmWave) in static scenarios is a well-established practice in cellular networks. However, highly directional and adaptive beamforming in today's mmWave systems have opened new…

Networking and Internet Architecture · Computer Science 2023-01-13 Amir Ashtari Gargari , Andrea Ortiz , Matteo Pagin , Anja Klein , Matthias Hollick , Michele Zorzi , Arash Asadi

We investigate the problem of multi-hop scheduling in self-backhauled millimeter wave (mmWave) networks. Owing to the high path loss and blockage of mmWave links, multi-hop paths between the macro base station and the intended users via…

Networking and Internet Architecture · Computer Science 2018-04-27 Trung Kien Vu , Chen-Feng Liu , Mehdi Bennis , Merouane Debbah , Matti Latva-aho

Caching at base stations (BSs) is a promising approach for supporting the tremendous traffic growth of content delivery over future small-cell wireless networks with limited backhaul. This paper considers exploiting spatial caching…

Signal Processing · Electrical Eng. & Systems 2018-08-09 Wei Han , An Liu , Wei Yu , Vincent K. N. Lau

This work analyzes a heterogeneous network (HetNet), which comprises a macro base station (BS) equipped with a large number of antennas and an overlaid dense tier of small cell access points (SCAs) using a wireless backhaul for data…

Information Theory · Computer Science 2016-11-18 Luca Sanguinetti , Aris Moustakas , Merouane Debbah

Motivated by heterogeneous networks (HetNets) design in improving coverage and by millimeter-wave (mmWave) transmission offering an abundance of extra spectrum, we present a general analytical framework shedding light to the downlink of…

Information Theory · Computer Science 2019-03-28 Anastasios Papazafeiropoulos , Tharmalingam Ratnarajah , Pandelis Kourtessis , Symeon Chatzinotas

The widespread application of wireless services and dense devices access have triggered huge energy consumption. Because of the environmental and financial considerations, energy-efficient design in wireless networks becomes an inevitable…

Information Theory · Computer Science 2017-10-10 Haijun Zhang , Hao Liu , Julian Cheng , Victor C. M. Leung

With vast amounts of spectrum available in the millimeter wave (mmWave) band, small cells at mmWave frequencies densely deployed underlying the conventional homogeneous macrocell network have gained considerable interest from academia,…

Networking and Internet Architecture · Computer Science 2015-09-29 Yong Niu , Chuhan Gao , Yong Li , Li Su , Depeng Jin