Study of the OFDM System Carrier Synchronization Technology

Abstract:

The OFDM system modulates signal by using a plurality of spectrum aliasing orthogonal sub-carriers, so it is extremely sensitive to carrier frequency offset, and any tiny frequency offset may destroy the orthogonality of the sub-carriers, thereby seriously affecting the performance of the system. So carrier frequency offset is the primary problem for the OFDM technology, and in recent years it has also become a focus for researchers. Accurate frequency synchronization is the precondition for the OFDM system to work properly. The main purpose of this paper is to seek a more reliable and viable carrier frequency offset estimation algorithm on the results of previous studies.

• Periodical: Applied Mechanics and Materials (Volumes 513-517)
• Pages: 2772-2774
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.513-517.2772
• Online since: February 2014
• Authors: Wen Bin Wang*, Dao Yuan Liu, Yu Qin Yao
• Keywords: Carrier Synchronization, Frequency Offset, OFDM System

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