Joint Symbol Timing and Carrier Frequency Offset Estimation for Mobile-WiMAX

Yong-An JUNG, Young-Hwan YOU

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Summary :

This letter proposes two efficient schemes for the joint estimation of symbol timing offset (STO) and carrier frequency offset (CFO) in orthogonal frequency division multiplexing (OFDM) based IEEE 802.16e systems. Avoiding the effects of inter symbol interference (ISI) over delay spread by the multipath fading channel is a primary purpose in the letter. To do this, the ISI-corrupted CP is excluded when a correlation function is devised for both schemes, achieving the improved performance. To demonstrate the efficiency of the proposed methods, the performance is compared with the conventional method and is evaluated by the mean square error (MSE), acquisition range of CFO, and complexity comparison.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E95-A No.5 pp.986-989
Publication Date
2012/05/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E95.A.986
Type of Manuscript
LETTER
Category
Communication Theory and Signals

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