| Paper: | SPCOM-P5.3 | ||
| Session: | Synchronization | ||
| Time: | Wednesday, May 17, 10:00 - 12:00 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing for Communication: Acquisition, synchronization and tracking | ||
| Title: | ITERATIVE SYNCHRONIZATION:EM ALGORITHM VERSUS NEWTON-RAPHSON METHOD | ||
| Authors: | Cédric Herzet, Xavier Wautelet, Valéry Ramon, Luc Vandendorpe, Université Catholique de Louvain, Belgium | ||
| Abstract: | This paper deals with iterative maximum-likelihood synchronization of a scalar parameter. An efficient implementation of the Newton-Raphson (NR) maximum-search method is proposed. Considering the latter implementation, the NR approach is shown to be an attractive alternative to synchronization methods based on the expectation-maximization (EM) algorithm. Simulation results for the case of phase-offset synchronization show that NR method usually increases the speed of convergence of the synchronization algorithm. | ||
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