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Design Considerations for a WARP-Based Real- Time Software-Defined GPS Receiver

机译：基于翘曲的实时定义GPS接收器的设计考虑因素

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This paper presents an architecture for a real-time software-defined GPS receiver based on the Wireless- Open Access Research Platform (WARP) which was developed by Rice University. The hardware options available on the WARP are examined to determine the best interface to a GPS antenna. Since the WARP utilizes a Xilinx Virtex 4 FPGA with embedded PowerPC microprocessor, the design flow for the development of firmware and software for the WARP is presented. The sampling rate considerations, acquisition methodology considerations and tracking methodology considerations are all examined with an emphasis on maintaining real-time performance. For the final computation of the navigational solution, integration with an existing open-source software-defined GPS receiver is proposed.
机译：本文介绍了基于赖斯大学开发的无线开放访问研究平台（经线）的实时软件定义了GPS接收器的架构。检查WARP上可用的硬件选项以确定GPS天线的最佳接口。由于扭曲利用了具有嵌入式PowerPC微处理器的Xilinx Virtex 4 FPGA，因此提出了用于开发用于扭曲的固件和软件的设计流程。采样率考虑因素，获取方法考虑和跟踪方法考虑因素都在重视维持实时性能。对于导航解决方案的最终计算，提出了与现有的开源特定GPS接收器的集成。

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