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Frequency-Immune and Low-Complexity Symbol Timing Synchronization Scheme in OFDM Systems
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- Authors
- Kap Seok Chang, Woo Yong Lee, Hyun Kyu Chung
- Issue Date
- 2010-09
- Citation
- International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) 2010, pp.922-926
- Language
- English
- Type
- Conference Paper
- Project Code
- 10MI3600, Development of Open mmWave Wireless Interface Platform Technology, Chung Hyun Kyu
- Abstract
- In this paper, we propose a simple time-domain replica correlation (TDRC) based symbol timing synchronization scheme in orthogonal frequency division multiplexing systems. By allocating a locally concatenated sequence of a base sequence and its modified sequence to total feasible frequency resources, we can achieve both hardware complexity and frequency offset reductions. The hardware complexity of a searcher is less than halved over existing TDRC-based schemes, such as long-term evolution (LTE) scheme [3] and a performance-efficient scheme [8]. Also the proposed scheme provides significant frequency offset immunity over the LTE scheme. The performance analysis and comparisons are made in terms of complexity and detection error probability. ©2010 IEEE.
- KSP Keywords
- Hardware complexity, Long term Evolution(LTE), OFDM systems, Orthogonal frequency division Multiplexing(OFDM), Performance analysis, Symbol timing synchronization, Synchronization scheme, detection error, error probability, frequency offset, low-complexity