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Journal Article Preamble structure for single frequency cellular systems using orthogonal frequency division multiplexing
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Authors
Dong Seung Kwon, Hyoungsoo Lim, Han-kyu Park
Issue Date
2004-02
Citation
IEEE Transactions on Consumer Electronics, v.50, no.1, pp.115-118
ISSN
0098-3063
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/TCE.2004.1277849
Abstract
A preamble structure is proposed for single frequency cellular systems using orthogonal frequency division multiplexing. The preamble has a repeating pattern in time domain, from which a subscriber station can acquire the frame timing and the carrier frequency offset. Preambles of neighbor cells use an identical set of subcarriers that are modulated with different codes in frequency domain. From the cross-correlations with a set of candidate codes, the subscriber station can monitor the received preamble signals to find the best cell to get associated with. Computer simulations are performed to verify the performances of the initial synchronizations and the cell search.
KSP Keywords
Carrier Frequency Offset, Cell search, Cellular system, Computer simulation(MC and MD), Cross-Correlation, Frequency domain(FD), Orthogonal Frequency-Division Multiplexing(OFDM), Repeating pattern, Subscriber station, single frequency, time-domain