Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2008, Vol. 31 ›› Issue (3): 133-136.doi: 10.13190/jbupt.200803.133.288

• Reports • Previous Articles    

Carrier Frequency Blind Estimation of MC-MPSK Signal Using Wavelet Transform

ZHAO Fu-cai1, HU Yi-hua1, ZHANG Li2   

  1. 1. Electronic Engineering Institute of PLA, Anhui Hefei 230037, China; 2. No.71217 of PLA, Shandong 265200 China
  • Received:2007-10-26 Revised:1900-01-01 Online:2008-06-28 Published:2008-06-28
  • Contact: ZHAO Fu-cai

Abstract:

Methods of wavelet transform are effective methods of time-frequency analysis under the background of strong noise. A method to estimate the frequency of multi-carrier M-ary Phase-Shift Keying (MC-PSK) signals is showed, it uses Haar’s wavelet transform. Simulation is used. The algorithm is compared to modified carmer-rao bound(MCRB), it shows that the methods of wavelet transform can accurately estimate the carrier frequency of MC-PSK signals without prior knowledge. The estimation performance is effected by phase noise very slightly.

Key words: multi-carrier m-ary phase-shift keying signals, frequency estimation, wavelet transform, phase noise

CLC Number: