LTE Spectrum Sharing Research Testbed: Integrated Hardware, Software, Network and Data

LTE Spectrum Sharing Research Testbed: Integrated Hardware, Software, Network and Data
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LTE 频谱共享研究测试平台:集成硬件、软件、网络和数据

DOI:
10.1145/3131473.3131484
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发表时间:
2017
期刊:
ACM WiNTECH 2017
影响因子:
--
通讯作者:
Reed, Jeffrey H.
Reed, Jeffrey H.
中科院分区:
--
文献类型:
--
作者:
Marojevic, Vuk;Nealy, Randall;Reed, Jeffrey H.

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本文介绍了弗吉尼亚理工大学支持长期演进(LTE)信令和射频(RF)频谱共存研究的无线测试平台。LTE不断完善,并发布新功能。随着LTE通信环境的扩展,出现了新的研究问题,包括在恶劣RF信令环境中的操作以及与其他无线电的共存。我们的测试平台为调查这些和其他研究问题提供了一个集成的研究工具;它允许分析问题的严重性,设计和快速原型解决方案,并使用符合标准的设备和测试程序对其进行评估。该模块化测试平台集成了通用软件定义无线电硬件、LTE专用测试设备、RF组件、免费开源和商用LTE软件、可配置的RF网络和记录的雷达波形样本。它支持RF通道仿真和空中辐射模式。测试台可以远程访问和配置。RF切换网络允许设计许多不同的实验,这些实验可以涉及支持多输入多输出(MIMO)天线操作的各种真实的和虚拟无线电。我们提出的测试平台,它已经启用的研究和一些宝贵的经验教训,我们学到的,可能有助于设计,开发和运营未来的无线测试平台。
This paper presents Virginia Tech's wireless testbed supporting research on long-term evolution (LTE) signaling and radio frequency (RF) spectrum coexistence. LTE is continuously refined and new features released. As the communications contexts for LTE expand, new research problems arise and include operation in harsh RF signaling environments and coexistence with other radios. Our testbed provides an integrated research tool for investigating these and other research problems; it allows analyzing the severity of the problem, designing and rapidly prototyping solutions, and assessing them with standard-compliant equipment and test procedures. The modular testbed integrates general-purpose software-defined radio hardware, LTE-specific test equipment, RF components, free open-source and commercial LTE software, a configurable RF network and recorded radar waveform samples. It supports RF channel emulated and over-the-air radiated modes. The testbed can be remotely accessed and configured. An RF switching network allows for designing many different experiments that can involve a variety of real and virtual radios with support for multiple-input multiple-output (MIMO) antenna operation. We present the testbed, the research it has enabled and some valuable lessons that we learned and that may help designing, developing, and operating future wireless testbeds.
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