Title :
A novel preamble-based robust coarse symbol timing estimators for OFDM systems
Author :
Fan Yang ; Xi Zhang ; Jingsong Leng
Author_Institution :
Sch. of Commun. & Inf. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
In this paper, we propose a preamble-based symbol timing estimator for wireless orthogonal frequency division multiplexing (OFDM) systems. The preamble is designed with repeated structure. By using several candidate sequences generated by the preamble, the addressed estimator is robust to the degree of channel distortions. The generated sequences with the best correlation properties are selected based on correlation ranking. Compared with the existing representative schemes, our estimator has performance improvement in ETU channel with acceptable complexity.
Keywords :
OFDM modulation; distortion; telecommunication channels; ETU channel; OFDM systems; channel distortions; correlation properties; correlation ranking; preamble-based robust coarse symbol timing estimators; preamble-based symbol timing estimator; wireless orthogonal frequency division multiplexing; Complexity theory; Correlation; Estimation; OFDM; Robustness; Timing; Coarse symbol timing; OFDM; correlation ranking; preamble; robust; synchronization;
Conference_Titel :
Information Sciences and Systems (CISS), 2013 47th Annual Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4673-5237-6
Electronic_ISBN :
978-1-4673-5238-3
DOI :
10.1109/CISS.2013.6552313
