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Virtual base station pool: towards a wireless network cloud for radio access networks

Published: 03 May 2011 Publication History

Abstract

The mobile Internet has seen tremendous progress due to the standardization efforts around WiMAX, LTE and beyond. There are also early trends towards adoption of software radio and a growing presence of general purpose platforms in wireless networking. Such platforms are programmer-friendly and with recent advances on multi-core and hybrid architectures, allow signal processing, network processor class packet processing, wire-speed computation and server-class virtualization capabilities for software radio realizations of 3G and 4G wireless stacks. Software radio over IT platforms will enable the virtualization of base stations and consolidation of virtual base stations into central pools (a local "cloud site") with fiber connectivity to towers, which we call a Wireless Network Cloud (WNC). 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. This paper introduces the first TDD WiMAX SDR BS implemented on a commodity server, in conjunction with a novel design of a remote radio head (RRH). We also present the first working prototype of a virtual BS (VBS) pool, exploring the systems challenges in supporting a VBS pool on multi-core IT platforms. The results from our VBS pool prototype for WiMAX verify that these solutions can meet system requirements including synchronization, latency and jitter.

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      cover image ACM Conferences
      CF '11: Proceedings of the 8th ACM International Conference on Computing Frontiers
      May 2011
      268 pages
      ISBN:9781450306980
      DOI:10.1145/2016604
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      Published: 03 May 2011

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      Author Tags

      1. virtual base station
      2. wireless network cloud

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      May 3 - 5, 2011
      Ischia, Italy

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      • (2021)Reinforcement Learning-Based Resource Management Model for Fog Radio Access Network Architectures in 5GIEEE Access10.1109/ACCESS.2021.30516959(12706-12716)Online publication date: 2021
      • (2020)Optimal Resource Allocation in C-RAN through DSP Computational Load Forecasting2020 IEEE 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications10.1109/PIMRC48278.2020.9217268(1-7)Online publication date: Aug-2020
      • (2020)On Energy Efficient Resource Allocation in Shared RANs: Survey and Qualitative AnalysisIEEE Communications Surveys & Tutorials10.1109/COMST.2020.300326122:3(1515-1538)Online publication date: Nov-2021
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      • (2018)Maximizing the Energy Efficiency of Virtualized C-RAN via Optimizing the Number of Virtual MachinesIEEE Transactions on Green Communications and Networking10.1109/TGCN.2018.28594072:4(992-1001)Online publication date: Dec-2018
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