Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2002, Vol. 25 ›› Issue (1): 68-72.

• Original articles • Previous Articles     Next Articles

A New Channel Estimation Algorithm for Time-Multiplexed#br# Pilot Channel

XU Xia-yan, LIN Jia-ru, WU Wei-ling   

  1. Information Engineering School, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Received:2001-04-02 Online:2002-01-10
  • Supported by:
     

Abstract: A new channel estimation algorithm based on time-multiplexed pilot channel is proposed. By weighted LSM fitting over multi-slot, the complex channel coefficients are estimated. Simulation results show that thenew algorithm can track the variation of multipath channel better than several other algorithms, such as linear interpolation. The performance of Rake receiverapplying the new channel estimation algorithm is basically stable under a widerrange of Doppler frequency.

Key words: code division multiple access, multipath fading, channel estimation

CLC Number: