Title :
Joint estimation of carrier phase and symbol timing using polynomial-based maximum likelihood technique
Author :
Hamila, Ridha ; Vesma, Jussi ; Vuolle, Hannu ; Renfora, M.
Author_Institution :
Telecommun. Lab., Tampere Univ. of Technol., Finland
Abstract :
A new approach for joint clock and carrier phase synchronization in digital receivers using a data-aided block based feed-forward architecture is proposed. This approach is based on polynomial approximation of the log-likelihood function by using the Farrow ( 1988) structure. Thus, the maximum likelihood function is expressed in terms of the polynomial-based interpolator filter branches. Simulation results for different types of linear modulations using the conventional Lagrange interpolator and a new optimized interpolator are provided and compared with the theoretical case
Keywords :
interpolation; maximum likelihood estimation; phase estimation; polynomial approximation; receivers; synchronisation; Farrow structure; Lagrange interpolator; carrier phase estimation; carrier phase synchronization; data-aided block based feed-forward architecture; digital receivers; joint estimation; linear modulation; log-likelihood function; maximum likelihood function; optimized interpolator; polynomial approximation; polynomial-based interpolator filter; polynomial-based maximum likelihood technique; simulation results; symbol timing estimation; Clocks; Filters; Frequency synchronization; Interpolation; Lagrangian functions; Maximum likelihood estimation; Phase estimation; Polynomials; Sampling methods; Timing;
Conference_Titel :
Universal Personal Communications, 1998. ICUPC '98. IEEE 1998 International Conference on
Conference_Location :
Florence
Print_ISBN :
0-7803-5106-1
DOI :
10.1109/ICUPC.1998.733006
