前沿报告

题  目:多模式卫星导航(GNSS)射频芯片的研究与实现
Title:   The design and implementation of multi-mode GNSS RF receivers
时  间:2013年7月8日上午10:00-11:30
地  点:张江校区微电子楼389会议室
演讲人:祁楠博士,清华大学

摘要:
随着北斗卫星导航系统的加速组建,全球卫星导航系统(GNSS)进入了以高精度导航和多系统联合定位为标志的全新发展阶段。导航接收机射频芯片作为用户终端设备的重要组成部分,正向高集成度、高灵敏度和低功耗的方向发展。其设计难点包括在低噪声特性下实现对不同频率、带宽GNSS信号的支持,双通道多系统卫星信号的并行接收,以及在上述条件下功耗和芯片面积的优化。本报告将基于报告人的博士课题,并以四款完整的GNSS射频芯片为例介绍其在清华大学的研究现状,以及设计过程中的考虑因素和实测结果。

Abstract:
As the Beidou Global Satellite System accelerates its establishment, the GNSS come to a new developing era, which is characterized by the high-precision navigation and multi-constellation positioning.As the main component of the user's terminal, GNSS RF receivers are developing towards high-integrity, high-sensitvity and low power consumption. Paticular design issues should be considered, such as the support for all GNSS signals in different frequency and bandwidth with low noise figure, dual-channel simultaneous reception of multi-constellation signals, and the optimization for DC power and chip area. This talk is based on the reporter's PhD thesis, which introduces the research on GNSS RF receivers in Tsinghua University, as well as the design considerations and measured performances of 4 complete chips.

Biography:
Nan Qi received the B.S. degree from Beijing Institute of Technology, Beijing, China, in 2005, and the M.S. degree in Microelectronics from Tsinghua University, Bejing, China, in 2008. He is currently working toward his Ph.D. degree in the Institute of Microelectronics, Tsinghua University, Beijing, China.
From 2008 to 2010, he was involved in the design of a wireless endoscopic system, and from 2010 he began to lead the RF GNSS receiver group. His research interests include analog/RF circuits and system integration for wireless transceivers, including GNSS receivers and biomedical transceivers

 
 
 
 

 

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