ION GNSS软件定义的无线电元数据标准

S. Gunawardena, T. Pany, J. Curran
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引用次数: 5

摘要

在过去的几年里,为卫星导航(satnav)应用设计或适用于卫星导航(satnav)的软件定义无线电(SDR)数据收集系统和处理平台激增。这些系统必然会产生各种不同格式的数据集。为了正确解释SDR数据,需要打包样本格式和采样率等基本信息。在历史上,创建者和用户之间的元数据通信一直是一个特别的、繁琐的、容易出错的过程。为了解决这个问题,卫星导航SDR社区开发了一个元数据标准和规范性软件库,以自动化这一过程,从而简化数据集的交换,促进卫星导航SDR系统的互操作性。该标准于2020年1月被批准并正式接受为航海协会标准。本文介绍了ION GNSS SDR元数据标准和相关的开源软件项目。与该标准相关的所有内容都可以在sdr.ion.org上找到。
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ION GNSS software‐defined radio metadata standard
The past several years have seen a proliferation of software-defined radio (SDR) data collection systems and processing platforms designed for or applicable to satellite navigation (satnav) applications. These systems necessarily produce datasets in a wide range of different formats. To correctly interpret this SDR data, essential information such as the packed sample format and sampling rate is needed. Communicating this metadata between creators and users has historically been an ad-hoc, cumbersome, and error-prone process. To address this issue, the satnav SDR community developed a metadata standard and normative software library to automate this process, thus simplifying the exchange of datasets and promoting the interoperability of satnav SDR systems. The standard was ratified and formally accepted as an Institute of Navigation Standard in January 2020. This article describes the ION GNSS SDR metadata standard and associated open-source software project. All content associated with the standard is available on sdr.ion.org.
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