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Small cells have been proposed as a vehicle for wireless networks to keep up with surging demand. Small cells come with a significant challenge of providing backhaul to transport data to(from) a gateway node in the core network. Fiber based…

信息论 · 计算机科学 2014-04-11 Muhammad Nazmul Islam , Ashwin Sampath , Atul Maharshi , Ozge Koymen , Narayan B. Mandayam

With the increasing network densification, it has become exceedingly difficult to provide traditional fiber backhaul access to each cell site, which is especially true for small cell base stations (SBSs). The increasing maturity of…

信息论 · 计算机科学 2018-11-13 Chiranjib Saha , Mehrnaz Afshang , Harpreet S. Dhillon

Fifth-generation (5G) cellular systems are likely to operate in the centimeter-wave (3-30 GHz) and millimeter-wave (30-300 GHz) frequency bands, where a vast amount of underutilized bandwidth exists world-wide. To assist in the research and…

信号处理 · 电气工程与系统科学 2020-12-02 Ahmed Iyanda Sulyman , Abdulmalik Alwarafy , George R. MacCartney , Theodore S. Rappaport , Abdulhameed Alsanie

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…

网络与互联网体系结构 · 计算机科学 2017-12-15 Dingwen Yuan , Hsuan-Yin Lin , Joerg Widmer , Matthias Hollick

Cellular networks are evolving towards dense deployment of small cells. This in turn demands flexible and efficient backhauling solutions. A viable solution that reuses the same spectrum is wireless backhaul where the Small Base Station…

信息论 · 计算机科学 2014-04-15 Henning Thomsen , Elisabeth de Carvalho , Petar Popovski

Cell-free massive MIMO systems have promising data rate and uniform coverage gains. These systems, however, typically rely on optical fiber based fronthaul for the communication between the central processing unit (CPU) and the distributed…

信息论 · 计算机科学 2022-08-09 Umut Demirhan , Ahmed Alkhateeb

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…

信息论 · 计算机科学 2016-11-17 Zhen Gao , Linglong Dai , De Mi , Zhaocheng Wang , Muhammad Ali Imran , Muhammad Zeeshan Shakir

One of the key features of next generation wireless communication systems will be the use of frequencies in the range 10-100GHz (aka mmWave band) in densely populated indoor and outdoor scenarios. Due to the reduced wavelength, antenna…

信息论 · 计算机科学 2016-07-26 Stefano Buzzi , Carmen D'Andrea

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…

网络与互联网体系结构 · 计算机科学 2020-07-07 Dingwen Yuan , Hsuan-Yin Lin , Jörg Widmer , Matthias Hollick

Delivering Gbps high user rate over long distances (around 1 km) is challenging, and the abundant spectrum available in millimeter wave band cannot solve the challenge by its own due to the severe path loss and other limitations. Since it…

信息论 · 计算机科学 2018-05-08 Jinfeng Du , Efe Onaran , Dmitry Chizhik , Sivarama Venkatesan , Reinaldo A. Valenzuela

In this work, we investigate the performance of a millimeter waves (mmWaves) cellular system with free space optical (FSO) backhauling. MmWave channels are subject to Nakagami-m fading while the optical links experience the Double…

信号处理 · 电气工程与系统科学 2019-05-28 Elyes Balti , Brian K. Johnson

Millimeter-wave (mmWave) communication is considered as a key enabler of ultra-high data rates in the future cellular and wireless networks. The need for directional communication between base stations (BSs) and users in mmWave systems,…

信号处理 · 电气工程与系统科学 2020-11-04 Sara Khosravi , Hossein S. Ghadikolaei , Marina Petrova

This thesis considers channel estimation and multiuser (MU) data transmission for massive MIMO systems with fully digital/hybrid structures in mmWave channels. It contains three main contributions. In this thesis, we first propose a…

信息论 · 计算机科学 2018-12-03 Lou Zhao

Wireless indoor coverage and data capacity are important aspects of cellular networks. With the ever-increasing data traffic, demand for more data capacity indoors is also growing. The lower frequencies of the legacy frequency bands of…

网络与互联网体系结构 · 计算机科学 2021-05-17 Adrian Schumacher , Ruben Merz , Andreas Burg

Meta distribution is a fine-grained unified performance metric that enables us to evaluate the {reliability and latency} of next generation wireless networks, in addition to the conventional coverage probability. In this paper, using…

信号处理 · 电气工程与系统科学 2019-12-10 Hazem Ibrahim , Hina Tabassum , Uyen T. Nguyen

Cellular networks are usually modeled by placing the base stations on a grid, with mobile users either randomly scattered or placed deterministically. These models have been used extensively but suffer from being both highly idealized and…

信息论 · 计算机科学 2016-11-15 Jeffrey G. Andrews , Francois Baccelli , Radha Krishna Ganti

Mobile backhaul system based on a wireless mesh network using point-to-point millimetre wave links is a promising solution for dense 5G small cell deployments. While mmW radio technology can provide the sufficient capacity, the management…

网络与互联网体系结构 · 计算机科学 2020-05-26 Kari Seppänen , Pekka J. Wainio

Compared to the existing lower frequency wireless power transfer, millimeter wave (mmWave) power transfer takes advantage of the high-dimensional multi-antenna and narrow beam transmission. In this paper we introduce wireless power transfer…

信息论 · 计算机科学 2015-12-21 Lifeng Wang , Maged Elkashlan , Robert W. Heath, , Marco Di Renzo , Kai-Kit Wong

The millimeter wave (mmWave) bands are likely to play a significant role in next generation cellular systems due to the possibility of very high throughput thanks to the availability of massive bandwidth and high-dimensional antennas.…

Millimeter wave (mmWave) communications which essentially employ directional antennas find applications spanning from indoor short range wireless personal area networks to outdoor cellular networks. A thorough understanding of mmWave signal…

信息论 · 计算机科学 2018-04-10 Rakesh R. T. , Debarati Sen , Goutam Das