双通道多模卫星导航接收机射频关键技术研究
发布时间：2019-05-05 18:03
【摘要】：以全球定位系统(GPS)为代表的全球导航卫星系统(GNSS)应用产业已经逐渐发展成为一个全球性的、多领域的高新技术产业。射频前端芯片是GNSS无线接收机中的一个重要组成部分，因此具有自主知识产权的射频前端芯片对于我国建立完善的GNSS产业链具有重要的意义。全球导航卫星定位系统正在从传统的单一频率单一模式的接收机向多通道多模兼容、联合定位、低功耗、高线性度方向发展，以满足室内、林荫小道、恶劣天气等复杂自然环境下更稳定、更可靠、更安全的高精度定位和实时导航定位的要求。因此，多模兼容GNSS接收机研究以及射频前端的低功耗设计具有重要的意义。 本文对射频接收机的系统架构以及卫星导航接收机的系统架构进行了深入的研究，提出了一种双通道多模卫星导航接收机的系统架构并对重要的电路模块进行了详细的设计，最后给出了详细的实验结果。测试结果表明：卫星导航接收机射频芯片实现了低噪声，低功耗和多模兼容的特性。射频接收机和基带处理模块成功对接，取得了良好的导航定位效果。 随着CMOS射频工艺的进步，当前射频集成电路的研究热点逐步转向低频医疗芯片和高频段、低功耗、高集成度射频芯片的设计。本文在对双通道多模卫星导航射频接收芯片中低噪声放大器、混频器、压控振荡器、高速预分频器等关键射频电路模块研究的基础上，对低噪声混频器、自震荡混频器、低噪声自震荡混频器等当前射频电路研究的热点进行了深入的研究，并对CMOS工艺下，，X波段高频段射频前端模块的设计实现进行了探索。 在上述研究的基础上，本文设计了一个利用电流复用技术新型低噪声自震荡混频器，并对低噪声自震荡混频器的转换增益、噪声系数、相位噪声等关键的设计参数进行了分析，对电路进行了详细的设计，最后给出了低噪声自震荡混频器的版图设计和测试结果。实验结果表明，各项设计参数符合设计要求,为后续低功耗、高集成度和高线性度射频前端芯片的产品化奠定了基础。基于上述研究结果本文进一步给出了一个发射端功率放大混频器的设计方法。 基于0.18μmCMOS工艺，本文探索性的给出了一个X波段射频接收前端的设计，并给出了测试结果，为CMOS工艺实现微波射频收发芯片奠定了基础。最后针对当前CMOS集成电路的研究热点，对低功耗、低噪声、低频率医疗芯片的设计进行了展望。
[Abstract]:The global navigation satellite system (GNSS) application industry represented by Global Positioning system (GPS) has gradually developed into a global, multi-field high-tech industry. RF front-end chip is an important part of GNSS wireless receiver, so RF front-end chip with independent intellectual property is of great significance to establish a perfect GNSS industry chain in China. Global navigation satellite positioning system is developing from traditional single frequency single mode receiver to multi-channel multi-mode compatible, joint positioning, low power consumption and high linearity to meet indoor and shade trails. Severe weather and other complex natural environment more stable, more reliable, more secure high-precision positioning and real-time navigation positioning requirements. Therefore, the research of multi-mode compatible GNSS receiver and the low-power design of RF front-end are of great significance. In this paper, the system architecture of RF receiver and the system architecture of satellite navigation receiver are deeply studied, a dual-channel multi-mode satellite navigation receiver system architecture is proposed, and the important circuit modules are designed in detail. Finally, detailed experimental results are given. The test results show that the RF chip of satellite navigation receiver has the characteristics of low noise, low power consumption and multi-mode compatibility. RF receiver and baseband processing module are successfully docked, and good navigation and positioning effect is achieved. With the development of CMOS RF technology, the research focus of RF IC is gradually turning to the design of low frequency medical chip and high frequency segment, low power consumption and high integration RF chip. Based on the research of low-noise amplifier, mixer, voltage-controlled oscillator, high-speed pre-divider and other key RF circuit modules in dual-channel multi-mode satellite navigation RF receiver chip, the low noise mixer, self-oscillation mixer, and so on, are studied in this paper. In this paper, low noise self-oscillation mixer and other current research hotspots of RF circuit are deeply studied, and the design and realization of X-band RF front-end module in CMOS process are explored. Based on the above research, this paper designs a new low-noise self-oscillation mixer using current multiplexing technology, and analyzes the key design parameters of low-noise self-oscillation mixer, such as conversion gain, noise figure, phase noise, etc. The circuit is designed in detail. Finally, the layout design and test results of low noise self-oscillation mixer are given. The experimental results show that the design parameters accord with the design requirements and lay a foundation for the subsequent production of RF front-end chips with low power consumption, high integration and high linearity. Based on the above research results, a design method of transmit-end power amplifier mixer is presented in this paper. Based on 0.18 渭 m CMOS technology, the design of an X-band RF receiver front-end is presented in this paper, and the test results are given, which lays a foundation for the realization of microwave RF transceiver chip in CMOS process. Finally, the design of low-power, low-noise and low-frequency medical chips is prospected for the current research hotspot of CMOS integrated circuits.
【学位授予单位】：西安电子科技大学
【学位级别】：博士
【学位授予年份】：2013
【分类号】：TN965.5
本文编号：2469798
[Abstract]:The global navigation satellite system (GNSS) application industry represented by Global Positioning system (GPS) has gradually developed into a global, multi-field high-tech industry. RF front-end chip is an important part of GNSS wireless receiver, so RF front-end chip with independent intellectual property is of great significance to establish a perfect GNSS industry chain in China. Global navigation satellite positioning system is developing from traditional single frequency single mode receiver to multi-channel multi-mode compatible, joint positioning, low power consumption and high linearity to meet indoor and shade trails. Severe weather and other complex natural environment more stable, more reliable, more secure high-precision positioning and real-time navigation positioning requirements. Therefore, the research of multi-mode compatible GNSS receiver and the low-power design of RF front-end are of great significance. In this paper, the system architecture of RF receiver and the system architecture of satellite navigation receiver are deeply studied, a dual-channel multi-mode satellite navigation receiver system architecture is proposed, and the important circuit modules are designed in detail. Finally, detailed experimental results are given. The test results show that the RF chip of satellite navigation receiver has the characteristics of low noise, low power consumption and multi-mode compatibility. RF receiver and baseband processing module are successfully docked, and good navigation and positioning effect is achieved. With the development of CMOS RF technology, the research focus of RF IC is gradually turning to the design of low frequency medical chip and high frequency segment, low power consumption and high integration RF chip. Based on the research of low-noise amplifier, mixer, voltage-controlled oscillator, high-speed pre-divider and other key RF circuit modules in dual-channel multi-mode satellite navigation RF receiver chip, the low noise mixer, self-oscillation mixer, and so on, are studied in this paper. In this paper, low noise self-oscillation mixer and other current research hotspots of RF circuit are deeply studied, and the design and realization of X-band RF front-end module in CMOS process are explored. Based on the above research, this paper designs a new low-noise self-oscillation mixer using current multiplexing technology, and analyzes the key design parameters of low-noise self-oscillation mixer, such as conversion gain, noise figure, phase noise, etc. The circuit is designed in detail. Finally, the layout design and test results of low noise self-oscillation mixer are given. The experimental results show that the design parameters accord with the design requirements and lay a foundation for the subsequent production of RF front-end chips with low power consumption, high integration and high linearity. Based on the above research results, a design method of transmit-end power amplifier mixer is presented in this paper. Based on 0.18 渭 m CMOS technology, the design of an X-band RF receiver front-end is presented in this paper, and the test results are given, which lays a foundation for the realization of microwave RF transceiver chip in CMOS process. Finally, the design of low-power, low-noise and low-frequency medical chips is prospected for the current research hotspot of CMOS integrated circuits.
【学位授予单位】：西安电子科技大学
【学位级别】：博士
【学位授予年份】：2013
【分类号】：TN965.5
【参考文献】
相关期刊论文 前3条
1 张双成;王利;黄观文;;全球导航卫星系统GNSS最新进展及带来的机遇和挑战[J];工程勘察;2010年08期
2 魏武财;北斗导航系统与GPS的比较[J];航海技术;2003年06期
3 韩波;北斗卫星导航定位系统[J];中国计量;2004年03期
本文编号：2469798
本文链接：https://www.wllwen.com/falvlunwen/zhishichanquanfa/2469798.html
