J4 ›› 2010, Vol. 37 ›› Issue (4): 716-721.doi: 10.3969/j.issn.1001-2400.2010.04.024

• 研究论文 • 上一篇    下一篇



  1. (1. 西安电子科技大学 综合业务网理论及关键技术国家重点实验室,陕西 西安  710071;
    2. 中国空间技术研究院总体部,北京  100094)
  • 收稿日期:2009-09-09 出版日期:2010-08-20 发布日期:2010-10-11
  • 通讯作者: 熊海良
  • 作者简介:熊海良(1981-),男,西安电子科技大学博士研究生,E-mail: hlxiong@mail.xidian.edu.cn.
  • 基金资助:


Simple UWB-TOA estimation method

XIONG Hai-liang1;WANG Jun1;TIAN Hong-xin1;YANG Hong1,2;YI Ke-chu1   

  1. (1. State Key Lab. of Integrated Service Networks, Xidian Univ., Xi'an  710071, China;
    2. China Academy of Space Technology, Beijing  100094, China)
  • Received:2009-09-09 Online:2010-08-20 Published:2010-10-11
  • Contact: XIONG Hai-liang



关键词: 超宽带, 测距定位, 到达时间估计, 多相滤波器


We propose a novel UWB-TOA estimation method. High-precision sample recovery is achieved using the polyphase filter, overcoming the shortcomings of the traditional method which needs the sampling data speeds up to tens of GHz to achieve high-precision positioning, conquering the bottlenecks of AD-chip hardly implemented, and the FPGA chips fail to receive and deal with such a large number of high-speed sampling data. The proposed scheme has laid a foundation of implementation and market development of UWB positioning chips. Theoretical analysis and simulation show that the proposed scheme can achieve precise positioning in short distances, that the location error can reach the centimeter level, and that the computational complexity is largely reduced compared with the coherent detection TOA estimation.

Key words: ultra wideband, positioning, time of arrival(TOA) estimation, polyphase filter