Data-Aided Maximum Likelihood Synchronization for OFDM Systmes
Resource
Global Telecommunications Conference, 2003. GLOBECOM '03. IEEE
Journal
IEEE GLOBECOM 2003
Pages
2095-2010
Date Issued
2003-12
Author(s)
Abstract
Distinct from conventional approaches, we apply a generalized data-aided signal model which can jointly consider the cyclic prefix with the preamble/pilot to propose three data-aided frequency offset estimation algorithms based on the maximum likelihood criterion. The proposed algorithms differ from each other in the processing domain and the observation space. Not only can they systematically estimate both the integer part and the fractional part of the frequency offset, but they can also possess the maximum acquisition range of a discrete time system. The effectiveness of the proposed schemes is verified by mathematical analysis and computer simulation.
Type
conference paper
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