Abstract
Several code-aided algorithms for phase estimation have recently been proposed. While some of them are ad-hoc, others are derived in a systematic way. The latter can be divided into two different classes: phase estimators derived from the expectation-maximization (EM) principle and estimators that are approximations of the sum-product message passing algorithm. In this paper, the main differences and similarities between these two classes of phase estimation algorithms are outlined and their performance and complexity is compared. Furthermore, an alternative criterion for phase ambiguity resolution is presented and compared to an EM based approach proposed earlier.
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Dauwels, J., Wymeersch, H., Loeliger, HA., Moeneclaey, M. (2004). Phase Estimation and Phase Ambiguity Resolution by Message Passing. In: de Souza, J.N., Dini, P., Lorenz, P. (eds) Telecommunications and Networking - ICT 2004. ICT 2004. Lecture Notes in Computer Science, vol 3124. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-27824-5_22
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DOI: https://doi.org/10.1007/978-3-540-27824-5_22
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-22571-3
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