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On the statistical multiplexing gain of virtual base station pools

Jingchu Liu, Sheng Zhou, Jie Gong, Zhisheng Niu, Shugong Xu
2014 2014 IEEE Global Communications Conference  
Facing the explosion of mobile data traffic, cloud radio access network (C-RAN) is proposed recently to overcome the efficiency and flexibility problems with the traditional RAN architecture by centralizing  ...  However, there lacks a mathematical model to analyze the statistical multiplexing gain from the pooling of virtual base stations (VBSs) so that the expenditure on fronthaul networks can be justified.  ...  C-RAN can facilitate the adoption of cooperative signal processing and potentially reduce the operational costs.  ... 
doi:10.1109/glocom.2014.7037148 dblp:conf/globecom/LiuZGNX14 fatcat:pancngcdxnhchcjp6idpgkcl6a

Statistical Multiplexing Gain Analysis of Heterogeneous Virtual Base Station Pools in Cloud Radio Access Networks

Jingchu Liu, Sheng Zhou, Jie Gong, Zhisheng Niu, Shugong Xu
2016 IEEE Transactions on Wireless Communications  
Cloud radio access network (C-RAN) is proposed recently to reduce network cost, enable cooperative communications, and increase system flexibility through centralized baseband processing.  ...  In this paper, we evaluate the statistical multiplexing gain of VBS pools using a multi-dimensional Markov model, which captures the session-level dynamics and the constraints imposed by both radio and  ...  To overcome the shortcomings of the traditional RAN architecture, cloud RAN (C-RAN) [2] is proposed with centralized baseband processing.  ... 
doi:10.1109/twc.2016.2567383 fatcat:axun3qyxufe2thf2fe5rptkepq

Optimizing Network Slicing via Virtual Resource Pool Partitioning

Pablo Caballero, Gustavo de Veciana, Albert Banchs, Xavier Perez-Costa
2019 2019 International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOPT)  
differentiation, load balancing, and statistical multiplexing.  ...  The aim is to reap the benefits of statistical multiplexing resulting from flexible sharing of 'pooled' resources, while enabling tenants to differentiate and protect their performance from one another's  ...  in statistical multiplexing gains.  ... 
doi:10.23919/wiopt47501.2019.9144143 dblp:conf/wiopt/GarcesVBC19 fatcat:tm66jbkuibd7lj2glfk36oghpm

Multiplexing Gain and Processing Savings of 5G Radio-Access-Network Functional Splits

Mohamed Shehata, Ahmed Elbanna, Francesco Musumeci, Massimo Tornatore
2018 IEEE Transactions on Green Communications and Networking  
In C-RAN, the "centralization" of baseband units enables substantial savings of computational resources (what we call "multiplexing gain" in this paper) and significant power savings.  ...  Index Terms-C-RAN, multiplexing gain, computational effort, functional splits, GOPS.  ...  ACKNOWLEDGMENT The research leading to these results has received funding from the European Community under grant agreement no. 761727 Metro-Haul project and the Lombardy region through New Optical Horizon  ... 
doi:10.1109/tgcn.2018.2869294 fatcat:ub5aecrpfvaanasd24p5dpgldm

Virtual base station pool

ZhenBo Zhu, Parul Gupta, Qing Wang, Shivkumar Kalyanaraman, Yonghua Lin, Hubertus Franke
2011 Proceedings of the 8th ACM International Conference on Computing Frontiers - CF '11  
The results from our VBS pool prototype for WiMAX verify that these solutions can meet system requirements including synchronization, latency and jitter.  ...  A Virtual base station (BS) pool supporting multiple BS software instances over a general OS and IT platform is an important step towards the realization of the larger WNC concept.  ...  The leading operator in China, China Mobile, also has articulated a similar C-RAN vision from an operator perspective [5] , noting that a "cloud" infrastructure to support the RAN could reduce costs for  ... 
doi:10.1145/2016604.2016646 dblp:conf/cf/ZhuGWKLF11 fatcat:swzqm4ftxzcf5oyhgtd2vz5zgi

Cloud RAN for Mobile Networks—A Technology Overview

Aleksandra Checko, Henrik L. Christiansen, Ying Yan, Lara Scolari, Georgios Kardaras, Michael S. Berger, Lars Dittmann
2015 IEEE Communications Surveys and Tutorials  
The main idea behind C-RAN is to pool the Baseband Units (BBUs) from multiple base stations into centralized BBU Pool for statistical multiplexing gain, while shifting the burden to the high-speed wireline  ...  C-RAN enables energy efficient network operation and possible cost savings on baseband resources.  ...  Moreover, we would like to thank colleagues from MTI Radiocomp and DTU Fotonik for all the discussions we had together on the concept of C-RAN.  ... 
doi:10.1109/comst.2014.2355255 fatcat:xiwm3naoj5cx3mgdn22hz24emq

Energy-efficient radio-over-fiber system for next-generation cloud radio access networks

Bo Wang, Limei Peng, Pin-Han Ho
2019 EURASIP Journal on Wireless Communications and Networking  
The paper proposes a novel adaptive radio-over-fiber (RoF) system for next-generation cloud radio access network (C-RAN), aiming to optimize the operation cost in terms of power consumption while maintaining  ...  a 2 × 2 multiple-input mulitple-output orthogonal frequency division multiplexing (MIMO-OFDM) baseband model on electrical SNR (ESNR) for a single RoF transmission line.  ...  C-RAN mitigates the abovementioned problems by centralizing the baseband processing functions in the centralized unit, in which a processing unit pool is created in order to accommodate the baseband processing  ... 
doi:10.1186/s13638-019-1457-6 fatcat:ap6qqxmnznaohftnb5zzfcpguu

iTREE: Intelligent Traffic and Resource Elastic Energy Scheme for Cloud-RAN

Tshiamo Sigwele, Prashant Pillai, Yim Fun Hu
2015 2015 3rd International Conference on Future Internet of Things and Cloud  
This paper proposes a green Intelligent Traffic and Resource Elastic Energy (iTREE) scheme for C-RAN. In iTREE, BBUs are reduced by matching the right amount of baseband processing with traffic load.  ...  With such an arrangement, more energy gains can be acquired through statistical multiplexing by reducing the number of BBUs used.  ...  Jingchu et al. in [13] presents a mathematical model to quantify the statistical multiplexing gain of pooling VBS.  ... 
doi:10.1109/ficloud.2015.104 dblp:conf/ficloud/SigwelePH15 fatcat:ve7q6ypshbf77kvhimrsn63iva

Novel Digital Radio Over Fiber (DRoF) System With Data Compression for Neutral-Host Fronthaul Applications

Wen Li, Aixin Chen, Tongyun Li, Richard V. Penty, Ian H. White, Xuefeng Wang
2020 IEEE Access  
INDEX TERMS Digital radio over fiber, neutral host, cloud radio access network (C-RAN), multiband multiplexing, automatic gain control, 4G, 5G, fronthaul. 40680 This work is licensed under a Creative Commons  ...  In this paper, we firstly present and then experimentally demonstrate a multiservice DRoF system for a neutral-host fronthaul link where both forward and reverse links use data compression, multiband multiplexing  ...  coverage in a Cloud-RAN (C-RAN) architecture where services are distributed from a centralised baseband unit (BBU) pool is more popular [9] , [10] .  ... 
doi:10.1109/access.2020.2976775 fatcat:5fj3uafrprcftlpp4lssap7xde

Statistical Multiplexing of Computations in C-RAN with Tradeoffs in Latency and Energy [article]

Anders E. Kalør, Mauricio I.Agurto, Nuno K. Pratas, Jimmy J. Nielsen, Petar Popovski
2017 arXiv   pre-print
In the Cloud Radio Access Network (C-RAN) architecture, the baseband signals from multiple remote radio heads are processed in a centralized baseband unit (BBU) pool.  ...  We develop a general C-RAN queuing model that describes the access latency and show, for Poisson arrivals, that long-term multiplexing achieves savings comparable to short-term multiplexing, while offering  ...  ACKNOWLEDGMENT This work was performed partly in the framework of H2020 project FANTASTIC-5G (ICT-671660) and partly by the European Research Council Consolidator Grant Nr. 648382.  ... 
arXiv:1703.04995v1 fatcat:24dtzle4ffasnjt2rqxmus5gae

Statistical multiplexing of computations in C-RAN with tradeoffs in latency and energy

Anders E. Kalor, Mauricio I. Agurto, Nuno K. Pratas, Jimmy J. Nielsen, Petar Popovski
2017 2017 IEEE International Conference on Communications Workshops (ICC Workshops)  
In the Cloud Radio Access Network (C-RAN) architecture, the baseband signals from multiple remote radio heads are processed in a centralized baseband unit (BBU) pool.  ...  We develop a general C-RAN queuing model that describes the access latency and show, for Poisson arrivals, that long-term multiplexing achieves savings comparable to shortterm multiplexing, while offering  ...  ACKNOWLEDGMENT This work was performed partly in the framework of H2020 project FANTASTIC-5G (ICT-671660) and partly by the European Research Council Consolidator Grant Nr. 648382.  ... 
doi:10.1109/iccw.2017.7962752 dblp:conf/icc/KalorAPNP17 fatcat:ijary6xe2bf5ro562jqltwdwzu

Scalable Edge Computing Deployment for Reliable Service Provisioning in Vehicular Networks

Federico Tonini, Bahare M. Khorsandi, Elisabetta Amato, Carla Raffaelli
2019 Journal of Sensor and Actuator Networks  
The Cloud Radio Access Network (C-RAN) paradigm, thanks to the centralization and virtualization of baseband functions, offers numerous advantages in terms of costs and mobile radio performance.  ...  This paper proposes a scalable approach for C-RAN and MEC computational resource deployment with protection against single-edge node failure.  ...  An ILP model for the cost-efficient deployment of baseband and edge cloud resources with reliability against single node failure is proposed.  ... 
doi:10.3390/jsan8040051 fatcat:klqy6ug6zjchvmbwnrisyuw73u

Cloud Radio Access Network: Virtualizing Wireless Access for Dense Heterogeneous Systems [article]

Osvaldo Simeone, Andreas Maeder, Mugen Peng, Onur Sahin, Wei Yu
2015 arXiv   pre-print
This critical advantage, along with spectral efficiency, statistical multiplexing and load balancing gains, make C-RAN well positioned to be one of the key technologies in the development of 5G systems  ...  C-RAN allows operators to reduce the capital and operating expenses needed to deploy and maintain dense heterogeneous networks.  ...  C-RAN SIGNAL MODELS In order to introduce some of the main definitions, we start with a brief discussion of basic C-RAN signal models that are typically used in the analysis of the physical layer of C-RAN  ... 
arXiv:1512.07743v1 fatcat:pcpf7kltc5hcfaikqlvtw5wqgi

A Cost and Power Feasibility Analysis of Quantum Annealing for NextG Cellular Wireless Networks [article]

Srikar Kasi, P.A. Warburton, John Kaewell, Kyle Jamieson
2022 arXiv   pre-print
We gather and synthesize insights on power consumption, computational throughput and latency, spectral efficiency, operational cost, and feasibility timelines surrounding quantum technology.  ...  Our quantitative analysis predicts that with quantum annealing hardware operating at a 102 μs problem latency and 3.1M qubits, quantum annealing will achieve a spectral efficiency equal to CMOS computation  ...  In the C-RAN architecture, BS processing functionality is amortized and shared, where Remote Radio Heads (RRHs) perform analog RF signal processing and a BBU-pool performs digital baseband computation  ... 
arXiv:2109.01465v3 fatcat:p25tjdgbtzchrd2wjn4qycdnjm

Energy-Efficient Virtual Base Station Formation in Optical-Access-Enabled Cloud-RAN

Xinbo Wang, Saigopal Thota, Massimo Tornatore, Hwan Seok Chung, Han Hyub Lee, Soomyung Park, Biswanath Mukherjee
2016 IEEE Journal on Selected Areas in Communications  
Ref. [7] proposed DU virtualization and modeled 77 it as a bin-packing problem.  ...  By virtualizing the computing resources 71 of each DU, DU can be dynamically shared by multiple cells. 72 CloudIQ [6] showed that pooling resources can reduce the 73 overall cost of a network, however  ...  The dedicated-fiber fronthaul solution is too 181 costly and may nullify the cost-saving gains of CRAN.  ... 
doi:10.1109/jsac.2016.2520247 fatcat:b75ecdbvnfhxlnvsyocr7b7q2u
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