Reducing Timing Jitter in UWB-IR Threshold Detectors
Threshold detection is a simple and an excellent choice for UWB-IR receivers used in high precision positioning applications. However, due to variations in the shape and amplitude of the received signals, the threshold detectors suffer from timing jitter, leading to loss in timing precision. In this paper, a methodology to reduce the timing jitter in threshold detectors is proposed. It is shown that by increasing the front-end gain and ensuring that the gain stage is saturated prior to being input to the diode detection state, the rise-time and hence standard deviation in the estimation of the time of arrival of the signal is reduced. This improves ranging accuracy when this receiver is used for positioning applications.
Sivanand Krishnan Pankaj Sharma VP Kumar Lim Khoon Seong Wang Wenjiang
Institute for Infocomm Research, A*STAR, Singapore
国际会议
南京
英文
1-4
2010-09-20（万方平台首次上网日期，不代表论文的发表时间）