Implementação de Estratégias de Handover em um Ambiente de Simulação para Open RAN
Abstract
The Open RAN (O-RAN) architecture promotes the Radio Access Network (RAN) disaggregation, by using non-proprietary interfaces and introducing intelligent RAN controllers (RICs). The O-RAN presents several research challenges, primarily related to the RIC applications that optimize the RAN performance. Handover is a fundamental element defined in the O-RAN use cases. In this work, we study the O-RAN architecture and propose a mechanism of handover. The ns-3 simulator was updated to support the O-RAN handover process. Simulation results show that the handover can be managed remotely by the RIC without severely impacting the service. Alternatively, there is an excessive number of requests if the cell triggers the handover and offloads the target cell decision to the RIC.
References
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Cao, Y., Lien, S.-Y., Liang, Y.-C., Chen, K.-C., and Shen, X. (2022). User access control in open radio access networks: A federated deep reinforcement learning approach. IEEE Transactions on Wireless Communications, 21(6):3721-3736.
CTTC (2014). The LENA ns-3 LTE Module Documentation. [Online; accessed 28-February-2018].
Dryjański, M., Kułacz, Ł., and Kliks, A. (2021). Toward modular and flexible open RAN implementations in 6g networks: Traffic steering use case and o-RAN xApps. Sensors, 21(24):8173.
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Habibi, M. A., Nasimi, M., Han, B., and Schotten, H. D. (2019). A comprehensive survey of ran architectures toward 5g mobile communication system. IEEE Access, 7:70371-70421.
ITU (2017). Minimum requirements related to technical performance for IMT-2020 radio interface(s). [link].
Kumar, H., Sapru, V., and Jaisawal, S. K. (2020). O-RAN based proactive ANR optimization. In 2020 IEEE Globecom Workshops (GC Workshops), pages 1-4. IEEE.
Lacava, A., Polese, M., Sivaraj, R., Soundrarajan, R., Bhati, B. S., Singh, T., Zugno, T., Cuomo, F., and Melodia, T. (2022). Programmable and customized intelligence for traffic steering in 5g networks using open ran architectures. arXiv:2209.14171.
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O-RAN Alliance (2022b). O-RAN Near-Real-time RAN Intelligent Controller Architecture & E2 General Aspects and Principles 2.02. [link]. Accessed: 2022-10-04.
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O-RAN Alliance (2022d). O-RAN Near-Real-time RAN Intelligent Controller, E2 Key Performance Metrics Service Model (E2SM-KPM) 2.02. [link]. Accessed: 2022-10-04.
O-RAN Alliance (2022e). O-RAN Near-Real-time RAN Intelligent Controller, E2 RAN Control Service Model (E2SM-RC) 1.02. [link]. Accessed: 2022-10-04.
O-RAN Alliance (2022f). O-RAN Use Cases Detailed Specification v09.00. [link]. Acessed: 2022-13-12.
Papa, A., Kutsevol, P., Mehmeti, F., and Kellerer, W. (2022). Effects of SD-RAN control plane design on user quality of service. In 2022 IEEE 8th International Conference on Network Softwarization (NetSoft). IEEE.
Polese, M., Bonati, L., D'oro, S., Basagni, S., and Melodia, T. (2022). Understanding o-ran: Architecture, interfaces, algorithms, security, and research challenges. ArXiv, abs/2202.01032.
Prananto, B. H., Iskandar, and Kurniawan, A. (2022). O-RAN intelligent application for cellular mobility management. In 2022 International Conference on ICT for Smart Society (ICISS). IEEE.
Solis, P., Ferreira, G. C., Jr., R. G. S., and de Carvalho, P. H. P. (2022). Uma análise do open RAN e os desafios da sua experimentação em plataformas de código aberto. In Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais. Sociedade Brasileira de Telecomunicações.
Tayyab, M., Gelabert, X., and Jantti, R. (2019). A survey on handover management: From LTE to NR. IEEE Access, 7:118907-118930.
TECKNEXUS (2022). Current State of Open RAN-Countries and Operator Delployin and Trailing Open RAN. [link]. Acessed: 2022-13-12.
Wypiór, D., Klinkowski, M., and Michalski, I. (2022). Open ran-radio access network evolution, benefits and market trends. Applied Sciences, 12:1-18.
3GPP (2021). 5G performance measurements 3GPP TS 28.552 version 16.10.0 Release 16. [link]. Accessed: 2022-10-04.
3GPP (2022). Performance measurements Evolved Universal Terrestrial Radio Access Network (E-UTRAN) 3GPP TS 36.331 version 17.2.0 Release 17. [link]. Accessed: 2022-12-04.
Bonati, L., Polese, M., D'Oro, S., Basagni, S., and Melodia, T. (2022). Openran gym: Ai/ml development, data collection, and testing for o-ran on pawr platforms. Computer Networks, page 109502.
Cao, Y., Lien, S.-Y., Liang, Y.-C., Chen, K.-C., and Shen, X. (2022). User access control in open radio access networks: A federated deep reinforcement learning approach. IEEE Transactions on Wireless Communications, 21(6):3721-3736.
CTTC (2014). The LENA ns-3 LTE Module Documentation. [Online; accessed 28-February-2018].
Dryjański, M., Kułacz, Ł., and Kliks, A. (2021). Toward modular and flexible open RAN implementations in 6g networks: Traffic steering use case and o-RAN xApps. Sensors, 21(24):8173.
Gabriel, C. and Kompany, R. (2021). Open RAN: ready for prime time? [link].
Habibi, M. A., Nasimi, M., Han, B., and Schotten, H. D. (2019). A comprehensive survey of ran architectures toward 5g mobile communication system. IEEE Access, 7:70371-70421.
ITU (2017). Minimum requirements related to technical performance for IMT-2020 radio interface(s). [link].
Kumar, H., Sapru, V., and Jaisawal, S. K. (2020). O-RAN based proactive ANR optimization. In 2020 IEEE Globecom Workshops (GC Workshops), pages 1-4. IEEE.
Lacava, A., Polese, M., Sivaraj, R., Soundrarajan, R., Bhati, B. S., Singh, T., Zugno, T., Cuomo, F., and Melodia, T. (2022). Programmable and customized intelligence for traffic steering in 5g networks using open ran architectures. arXiv:2209.14171.
Niknam, S., Roy, A., Dhillon, H. S., Singh, S., Banerji, R., Reed, J. H., Saxena, N., and Yoon, S. (2020). Intelligent o-ran for beyond 5g and 6g wireless networks. https://arxiv.org/abs/2005.08374.
O-RAN Alliance (2022b). O-RAN Near-Real-time RAN Intelligent Controller Architecture & E2 General Aspects and Principles 2.02. [link]. Accessed: 2022-10-04.
O-RAN Alliance (2022c). O-RAN Near-Real-time RAN Intelligent Controller, E2 Application Protocol (E2AP) 2.02. [link]. Accessed: 2022-10-04.
O-RAN Alliance (2022d). O-RAN Near-Real-time RAN Intelligent Controller, E2 Key Performance Metrics Service Model (E2SM-KPM) 2.02. [link]. Accessed: 2022-10-04.
O-RAN Alliance (2022e). O-RAN Near-Real-time RAN Intelligent Controller, E2 RAN Control Service Model (E2SM-RC) 1.02. [link]. Accessed: 2022-10-04.
O-RAN Alliance (2022f). O-RAN Use Cases Detailed Specification v09.00. [link]. Acessed: 2022-13-12.
Papa, A., Kutsevol, P., Mehmeti, F., and Kellerer, W. (2022). Effects of SD-RAN control plane design on user quality of service. In 2022 IEEE 8th International Conference on Network Softwarization (NetSoft). IEEE.
Polese, M., Bonati, L., D'oro, S., Basagni, S., and Melodia, T. (2022). Understanding o-ran: Architecture, interfaces, algorithms, security, and research challenges. ArXiv, abs/2202.01032.
Prananto, B. H., Iskandar, and Kurniawan, A. (2022). O-RAN intelligent application for cellular mobility management. In 2022 International Conference on ICT for Smart Society (ICISS). IEEE.
Solis, P., Ferreira, G. C., Jr., R. G. S., and de Carvalho, P. H. P. (2022). Uma análise do open RAN e os desafios da sua experimentação em plataformas de código aberto. In Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais. Sociedade Brasileira de Telecomunicações.
Tayyab, M., Gelabert, X., and Jantti, R. (2019). A survey on handover management: From LTE to NR. IEEE Access, 7:118907-118930.
TECKNEXUS (2022). Current State of Open RAN-Countries and Operator Delployin and Trailing Open RAN. [link]. Acessed: 2022-13-12.
Wypiór, D., Klinkowski, M., and Michalski, I. (2022). Open ran-radio access network evolution, benefits and market trends. Applied Sciences, 12:1-18.
Published
2023-05-22
How to Cite
FERREIRA, Gabriel de C.; BARRETO, Priscila Solís; ALCHIERI, Eduardo A. P.; CARVALHO, Paulo H. P. de.
Implementação de Estratégias de Handover em um Ambiente de Simulação para Open RAN. In: BRAZILIAN SYMPOSIUM ON COMPUTER NETWORKS AND DISTRIBUTED SYSTEMS (SBRC), 41. , 2023, Brasília/DF.
Anais [...].
Porto Alegre: Sociedade Brasileira de Computação,
2023
.
p. 407-420.
ISSN 2177-9384.
DOI: https://doi.org/10.5753/sbrc.2023.474.
