An Iterative Frequency Offset Estimation Algorithm for OFDM System

Feng Zheng; Yun Tang; Hang Liu

doi:10.4028/www.scientific.net/AMR.765-767.2858

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 765-767An Iterative Frequency Offset Estimation Algorithm...

An Iterative Frequency Offset Estimation Algorithm for OFDM System

Abstract:

Orthogonal Frequency Division Multiplexing (OFDM) is considered as an important technique for future wireless communications. In addition, OFDM has a better performance at inter symbol interference (ISI). One of the major disadvantages of the multi-carrier modulation is about the sensitivity of the performance to a frequency offset. In this paper, we propose an iterative algorithm of frequency offset estimation for the OFDM system. The fundamental algorithm of our iterative algorithm is the frequency pilot aided algorithm. When we get a result with the fundamental algorithm every time, we use the result to estimate for a second time. The algorithm we proposed does not require some additional pilots or changing the data structure of the fundamental algorithm.

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Periodical:

Advanced Materials Research (Volumes 765-767)

Pages:

2858-2861

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.765-767.2858

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Online since:

September 2013

Authors:

Feng Zheng, Yun Tang, Hang Liu

Keywords:

Frequency Offset Estimation, ICI, Iterative Algorithm, OFDM System, Synchronization

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