J4 ›› 2012, Vol. 39 ›› Issue (2): 12-16+65.doi: 10.3969/j.issn.1001-2400.2012.02.003

• 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. 西安科技大学 通信与信息工程学院,陕西 西安  710054)
  • 收稿日期:2010-11-26 出版日期:2012-04-20 发布日期:2012-05-21
  • 通讯作者: 康晓非
  • 作者简介:康晓非(1973-),男,西安电子科技大学博士研究生,E-mail: kangxiaofei@sina.com.
  • 基金资助:


Blind Rake receiver for TH-UWB systems with multi-user interference

KANG Xiaofei1,2;YANG Jiawei1;LIU Jian2   

  1. (1. State Key Lab. of Integrated Service Networks, Xidian Univ., Xi'an  710071, China;
    2. College of Comm. and Info. Eng., Xi'an Univ. of Sci. and Tech.,  Xi'an  710054, China)
  • Received:2010-11-26 Online:2012-04-20 Published:2012-05-21
  • Contact: KANG XiaoFei



关键词: 超宽带, 跳时, 多用户干扰, 紧缩近似投影子空间跟踪


A novel blind Rake receiver is proposed in order to suppress both multi-user interference (MUI) and inter symbol interference (ISI) for time-hopping ultra-wideband (TH-UWB) systems. The receiver firstly exploits the properties of the desired user time-hopping sequence to figure out a filter for eliminating partial MUI and ISI, and then uses the PASTd algorithm to estimate the channel and perform maximal ratio combining (MRC) to further improve the signal to interference plus noise ratio (SINR). Simulation results show that the proposed blind Rake receiver achieves a significant performance gain in comparison with the conventional receiver and Rake receiver, and can converge at the steady state rapidly. Furthermore, it requires less priori knowledge and has lower complexity.

Key words: ultra-wideband (UWB), time hopping (TH), multi-user interference (MUI), projection approximation subspace tracking with deflation (PASTd)


  • TN911.23