Results 11 to 20 of about 385 (165)

Integrating Optical and Wireless Techniques towards Novel Fronthaul and Access Architectures in a 5G NR Framework

Applied Sciences, 2021
The fifth-generation of mobile network (5G) and beyond requires a radio access network (RAN) update in order to cope with the incoming increase of wireless data traffic and new applications.
Ramon Maia Borges, Celso Henrique de Souza Lopes, Eduardo Saia Lima, Marco Aurélio de Oliveira, Matheus Sêda Borsato Cunha, Luciano Camilo Alexandre, Luis Gustavo da Silva, Luiz Augusto Melo Pereira, Danilo Henrique Spadoti, Murilo Araujo Romero, Arismar Cerqueira Sodré Junior   +10 more
doaj   +3 more sources

FSO-Based Vertical Backhaul/Fronthaul Framework for 5G+ Wireless Networks [PDF]

IEEE Communications Magazine, 2018
The presence of a super high rate, but also cost-efficient, easy-to-deploy, and scalable, backhaul/fronthaul framework is essential in the upcoming fifth-generation (5G) wireless networks \& beyond. Motivated by the mounting interest in the unmanned flying platforms of various types including unmanned aerial vehicles (UAVs), drones, balloons, and ...
Mohamed Alzenad, Halim Yanikomeroglu, Muhammad Zeeshan Shakir   +2 more
exaly   +4 more sources

Harnessing Free Space Optics for Efficient 6G Fronthaul Networks: Challenges and Opportunities

Engineering Reports
As standardization work is ongoing for the upcoming sixth generation of cellular networking (6G), exploring new technologies for low‐latency, high‐bandwidth fronthauling technologies becomes a crucial aspect for the overall system performance. Free space
Abdulhalim Fayad, István Pelle, Tibor Cinkler, Balázs Sonkoly   +3 more
doaj   +2 more sources

Surpassing kilometer-scale terahertz wireless communication beyond 300 GHz enabled by hybrid photonic–electronic synergy [PDF]

Light: Science & Applications
Terahertz (THz) bands are critical for next-generation wireless fronthaul/backhaul applications. However, they face a fundamental coverage range limitation due to low emission power, severe path loss, and poor receiving sensitivity, especially in ...
Yuancheng Cai, Lin Zhang, Jiao Zhang, Bingchang Hua, Kexin Ma, Junjie Ding, Xingwang Bian, Mingzheng Lei, Yingzhou Liu, Jiankang Li, Zhigang Xin, Xingyu Chen, Jun Cai, Pan Pan, Yongming Huang, Jinjun Feng, Min Zhu, Xiaohu You   +17 more
doaj   +2 more sources

Cell-Free UAV Networks With Wireless Fronthaul: Analysis and Optimization

IEEE Transactions on Wireless Communications
The use of uncrewed aerial vehicles (UAVs) in cell-free networks is poised to unleash a number of new opportunities to further improve wireless networks. However, cell-free UAV networks present major challenges related to the wireless nature of access and fronthaul links.
Hamid Jafarkhani, Carles Diaz Vilor, Angel Lozano   +2 more
exaly   +3 more sources

Real‐time demonstration of photonics‐based THz wireless fronthaul integrated with fiber‐optic mobile fronthaul

Microwave and Optical Technology Letters
AbstractA photonics‐based terahertz (THz) wireless fronthaul is proposed, and its feasibility is investigated by real‐time demonstration. The proposed wireless fronthaul can be simply integrated into existing fiber‐optic fronthaul, to serve as a complementary or emergency network.
Sang-Rok Moon, Sooyeon Kim
exaly   +2 more sources

Fronthaul-Aware Software-Defined Wireless Networks: Resource Allocation and User Scheduling

IEEE Transactions on Wireless Communications, 2018
Software-defined networking (SDN) provides an agile and programmable way to optimize radio access networks via a control-data plane separation. Nevertheless, reaping the benefits of wireless SDN hinges on making optimal use of the limited wireless fronthaul capacity.
Chen-Feng Liu, H Vincent Poor, Sumudu Samarakoon   +2 more
exaly   +4 more sources

Designing Cost- and Energy-Efficient Cell-free Massive MIMO Network with Fiber and FSO Fronthaul Links [PDF]

AUT Journal of Electrical Engineering, 2021
The emerging cell-free massive multiple-input multiple-output (CF-mMIMO) is a promising scheme to tackle the capacity crunch in wireless networks. Designing the optimal fronthaul network in the CF-mMIMIO is of utmost importance to deploy a cost and ...
Pouya Agheli, Mohammad Javad Emadi, Hamzeh Beyranvand   +2 more
doaj   +1 more source

Design of Wireless Fronthaul With mmWave LOS-MIMO and Sample-Level Coding for O-RAN and Beyond 5G Systems

IEEE Open Journal of the Communications Society, 2023
This paper proposes novel designs of line-of-sight multiple-input multiple-output (LOS-MIMO) and a unique sample-level coding scheme for wireless fronthaul (WFH) deployment in Open Radio Access Network (O-RAN) and beyond the fifth-generation (5G) systems.
Juergen Cezanne, Meilong Jiang, Ori Shental, Ahmed M. Bedewy, Ashwin Sampath, Ozge Koymen, Junyi Li   +6 more
doaj   +1 more source

A QoS-Enabled Medium-Transparent MAC Protocol for Fiber-Wireless 5G RAN Transport Networks

Applied Sciences, 2022
In order to meet the ever-increasing 5G and beyond Radio Access Network (RAN) densification demands, Fiber-Wireless transport networks are expected to play a key role in accelerating 5G deployment by providing the essential RAN flexibility, while at the ...
George Kalfas, Dimitris Palianopoulos, Agapi Mesodiakaki, Marios Gatzianas, Christos Vagionas, Ronis Maximidis, Nikos Pleros   +6 more
doaj   +1 more source