High precision wireless synchronization receiver for M-sequence UWB Radio systems
High precision wireless synchronization receiver for M-sequence UWB Radio systems
复制标题
适用于 M 序列 UWB 无线电系统的高精度无线同步接收器
DOI：
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
T. Ussmüller
中科院分区：
文献类型：
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作者：
M. Hamouda;J. Sachs;G. Fischer;R. Weigel;T. Ussmüller
本文研究了用于高精度室内定位和低数据速率无线电传输的M序列UWB无线电结构。到目前为止，UWB M序列设备仅用于在发射机和接收机之间使用有线同步的雷达模式。无线电系统具有不同的架构，因为接收器和发射器在空间上彼此分离。本文重点研究了发射机和接收机时钟之间的相位和频率同步问题。所提出的架构处理每秒10千兆芯片，实现从DC高达5GHz或因此从5GHz到15GHz的高频带宽，这取决于设备结构。在数字域中处理这样的信号以执行同步是非常昂贵和功率要求高的。因此，引入了一种低功耗和低成本的技术，使用模拟块进行同步，实现了接收到的M序列波形和参考M序列波形之间的最大时间误差为5ps。
This work deals with M-sequence UWB Radio architectures for high-precision indoor localization and low data rate radio transmission. So far, UWB M-sequence devices were only used in Radar mode which applies wired synchronization between transmitter and receiver. Radio systems have different architecture since receiver and transmitter are spatially separated from each other. This paper focuses on the phase and frequency synchronization between the clock of the transmitter and receiver. The proposed architecture deals with 10 gigachips per second achieving a high frequency bandwidth ranging from DC upto 5GHz or consequently from 5GHz to 15GHz depending on the device structure. It is very costly and power demanding to process such signals in the digital domain to perform the synchronization. Thus, a low power and low cost technique is introduced using analog blocks for the synchronization achieving a maximum time error of 5ps between the received and reference M-Sequence waveforms.