Conference paper
Performance Evaluation of NETCONF-Based Low Latency Cross-Connect for 5G C-RAN Architectures
The development of 5G wireless technology is in progress looking to cope with the increasing demands for high capacity, low latency, and ubiquitous mobile access. Cloud/Centralized Radio Access Networks (C-RAN) has been proposed as a promising approach to address the 5G benchmarks. C-RAN is a rising mobile network architecture based on the centralization and pooling of baseband processing elements, with the scope of increasing resource utilization efficiency and air-interface performance gains with fast scaling multi-cell coordination.
In this paper we focus on proposing and evaluating a flexible low-latency cross-connect (XC) switch that allows a dynamic scheduling of networking resources between baseband units (BBUs) and remote radio heads (RRHs) in C-RAN deployments. On the one hand, we develop a control plane mechanism for manipulating the XC configuration and state data based on a custom YANG model and Network Configuration (NTCONF) protocol.
Using a standard open NETCONF interface, automation of heterogeneous C-RAN resource assignment can be facilitated for 5G architectures. Secondly, we evaluate the performance of our XC in relation to the C-RAN stringent requirements and show that the latency and jitter introduced have negligible influence compared to radio interface limits.
The impact of switching delay on the performance of a live system has yet to be tested however, a measured average switching time of 252 ms could still disrupt the ongoing connections.
Language: | English |
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Publisher: | IEEE Computer Society Press |
Year: | 2018 |
Pages: | 1-5 |
Proceedings: | 20th International Conference on Transparent Optical Networks |
ISBN: | 1538666049 , 1538666057 , 1538666065 , 9781538666043 , 9781538666050 and 9781538666067 |
ISSN: | 21612064 |
Types: | Conference paper |
DOI: | 10.1109/ICTON.2018.8473644 |
5G C-RAN architectures 5G mobile communication Cloud/Centralized Radio Access Networks Data models Integrated optics Jitter NETCONF-based low latency cross-connect Network Configuration protocol Optical switches Optical transmitters Protocols air-interface performance baseband processing elements control plane mechanism heterogeneous C-RAN resource assignment low latency XC mobile network architecture multicell coordination performance evaluation protocols radio access networks remote radio heads resource utilization efficiency standard open NETCONF interface time 252.0 ms ubiquitous mobile access