Approximate expressions for Cramer-Rao bounds of code aided QAM dynamical phase estimation

Authors:
J. Yang;B. Geller;A. Wei
Affiliations:
SATIE, ENS Cachan;LEI, ENSTA ParisTech;LATTIS, Université Toulouse II
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

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Abstract

In this paper, we study Bayesian and hybrid Cramer-Rao bounds (BCRB and HCRB) for the code-aided (CA) dynamical phase estimation of QAM modulated signals. In order to avoid the calculus of the inverse of the Bayesian information matrix and of the hybrid information matrix, we present some analytical expressions for the various CRBs, which greatly reduce the computation complexity.