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GNSS-ISE: Instruction Set Extension for GNSS Baseband Processing

机译：GNSS-ISE：GNSS基带处理的指令集扩展

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摘要

This work presents the results of research toward designing an instruction set extension dedicated to Global Navigation Satellite System (GNSS) baseband processing. The paper describes the state-of-the-art techniques of GNSS receiver implementation. Their advantages and disadvantages are discussed. Against this background, a new versatile instruction set extension for GNSS baseband processing is presented. The authors introduce improved mechanisms for instruction set generation focused on multi-channel processing. The analytical approach used by the authors leads to the introduction of a GNSS-instruction set extension (ISE) for GNSS baseband processing. The developed GNSS-ISE is simulated extensively using PC software and field-programmable gate array (FPGA) emulation. Finally, the developed GNSS-ISE is incorporated into the first-in-the-world, according to the authors' best knowledge, integrated, multi-frequency, and multi-constellation microcontroller with embedded flash memory. Additionally, this microcontroller may serve as an application processor, which is a unique feature. The presented results show the feasibility of implementing the GNSS-ISE into an embedded microprocessor system and its capability of performing baseband processing. The developed GNSS-ISE can be implemented in a wide range of applications including smart IoT (internet of things) devices or remote sensors, fostering the adaptation of multi-frequency and multi-constellation GNSS receivers to the low-cost consumer mass-market.
机译：这项工作提出了设计专用于全球导航卫星系统（GNSS）基带处理的指令集扩展的研究结果。本文介绍了GNSS接收器实现的最先进的技术。讨论了它们的优缺点。在此背景下，呈现了用于GNSS基带处理的新的多功能指令集扩展。作者介绍了专注于多通道处理的指令集生成的改进机制。作者使用的分析方法导致引入GNSS基带处理的GNSS指令集扩展（ISE）。使用PC软件和现场可编程门阵列（FPGA）仿真广泛模拟开发的GNSS-ISE。最后，根据作者的最佳知识，集成，多频和多星形微控制器，发达的GNSS-ISE将发达的GNSS-ISE纳入世界上具有嵌入式闪存的多星座微控制器。另外，该微控制器可以用作应用处理器，这是一个独特的特征。所呈现的结果表明，将GNSS-ISE实施到嵌入式微处理器系统中的可行性及其执行基带处理的能力。开发的GNSS-ISE可以在包括智能物联网（物联网）设备或远程传感器的广泛应用中实现，促进多频和多星座GNSS接收器对低成本消费大众市场的适应。

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