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A Timing Synchronization Method with Low-Volume DSP for OFDM Packet Transmission Systems Ryota KIMURA Ryuhei FUNADA Hiroshi HARADA Manabu SAWADA Shoji SHINODA Publication IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E88-A No.7 pp.1912-1920 Publication Date: 2005/07/01 Online ISSN: DOI: 10.1093/ietfec/e88-a.7.1912 Print ISSN: 0916-8508 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Wireless Communication Technology Keyword: OFDM, timing synchronization, packet transmission system, DSP, Full Text: PDF>>
Summary: This paper proposes a simple timing synchronization method in order to design a timing synchronization circuit with low-complex and low-volume digital signal processing (DSP) for orthogonal frequency division multiplexing (OFDM) packet transmission systems. The proposed method utilizes the subtraction process for acquirement of a timing metric of fast Fourier transform (FFT) window, whereas the conventional methods utilize the multiplication process. This paper adopts the proposed method to a standardized OFDM format, IEEE 802.11a, and elucidates that the proposed one shows good transmission performance as well as the conventional one in fast time-variant multi-path Rayleigh fading channels by computer simulation. | |||||
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