Results 31 to 40 of about 4,455 (198)

Unsupervised Learning-Based Joint Power Control and Fronthaul Capacity Allocation in Cell-Free Massive MIMO With Hardware Impairments

open access: yesIEEE Wireless Communications Letters, 2023
A deep learning-based resource allocation algorithm that maximizes the sum rate of a limited fronthaul cell-free massive MIMO network with transceiver hardware impairments is proposed in this letter.
Nuwanthika Rajapaksha   +3 more
semanticscholar   +1 more source

Flexible Function Splitting and Resource Allocation in C-RAN for Delay Critical Applications

open access: yesIEEE Access, 2020
The concept of cloud radio access network (C-RAN) architecture is being proposed to fully meet the requirements of 5G mobile networks. Thanks to the centralized cloud baseband unit (BBU), C-RAN reduces the energy consumption and cost of deployment ...
Masumehsadat Tohidi   +2 more
doaj   +1 more source

Robust Baseband Compression Against Congestion in Packet-Based Fronthaul Networks Using Multiple Description Coding

open access: yesEntropy, 2019
In modern implementations of Cloud Radio Access Network (C-RAN), the fronthaul transport network will often be packet-based and it will have a multi-hop architecture built with general-purpose switches using network function virtualization (NFV) and ...
Seok-Hwan Park   +2 more
doaj   +1 more source

User Rate Optimization for Fronthaul-Constrained Cell-Free Massive MIMO-OFDM Systems: A Quadratic Transform-Based Approach

open access: yesIEEE Open Journal of the Communications Society, 2022
As a promising candidate for the future generations of mobile communication networks, the cell-free (CF) massive multiple-input multiple-output (mMIMO) networks have been shown to provide high spectral efficiency (SE) and more uniform signal coverage ...
Kui Xu   +5 more
doaj   +1 more source

Multivariate Fronthaul Quantization for Downlink C-RAN [PDF]

open access: yesIEEE Transactions on Signal Processing, 2016
The Cloud-Radio Access Network (C-RAN) cellular architecture relies on the transfer of complex baseband signals to and from a central unit (CU) over digital fronthaul links to enable the virtualization of the baseband processing functionalities of distributed radio units (RUs).
Lee, Wonju   +3 more
openaire   +3 more sources

Analog Optical Links for 5G Fronthaul Networks [PDF]

open access: yes2018 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB), 2018
Addressing bandwidth limitation in the fronthaul segment of next generation 5G network has become nowadays an important problem in the data communication community. Radio over Fiber together with Spatial Division Multiplexing has been recently proposed as the suitable technologies to implement the fronthaul network segment.
Pérez Galacho, Diego   +2 more
openaire   +1 more source

A Bidirectional WDM-PON Free Space Optical (FSO) System for Fronthaul 5 G C-RAN Networks

open access: yesIEEE Photonics Journal, 2023
High-speed cellular technologies require low-latency and high-capacity optical networks. The Centralized Radio Access Network (C-RAN) architecture offers a cost-effective solution for mobile network deployment.
F. El-Nahal   +3 more
semanticscholar   +1 more source

Cost Analysis of 5G Fronthaul Networks Through Functional Splits at the PHY Layer in a Capacity and Cost Limited Scenario

open access: yesIEEE Access, 2021
The expected growth in carried traffic and the added complexity of different deployment approaches (distributed vs. centralized), showing different requirements, make transport network one of the main design challenges in 5G.
Rakibul Islam Rony   +2 more
doaj   +1 more source

Task-Oriented Edge Networks: Decentralized Learning Over Wireless Fronthaul [PDF]

open access: yesIEEE Internet of Things Journal, 2023
This article studies task-oriented edge networks where multiple edge Internet of Things nodes execute machine learning tasks with the help of powerful deep neural networks (DNNs) at a network cloud.
Hoon Lee, Seung-Wook Kim
semanticscholar   +1 more source

Perencanaan dan Analisis Fronthaul Microwave Menggunakan Spektrum Frekuensi 71 Ghz untuk Radio Access Network dengan Metode Drive Test 4G LTE

open access: yesBuletin Pos dan Telekomunikasi: Media Komunikasi Ilmiah, 2019
Di Indonesia, tidak semua daerah telah terintegrasi oleh jaringan 4G LTE dengan baik, sehingga memerlukan perencanaan 4G LTE yang tepat. Penelitian ini melakukan perancangan penambahan eNodeB baru dengan metode fronthaul microwave 4G LTE, dengan tujuan ...
Firmansyah Pandu Wibawa   +2 more
doaj   +1 more source

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