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    題名: Methods and Receivers of Carrier Frequency Offset Detection
    作者: Lee, Yang-Han;Yu-Lin Shiao;Jing-Shown Wu;Hen-Wei Tsao
    貢獻者: 淡江大學電機工程學系
    日期: 2013
    上傳時間: 2013-05-08 16:49:56 (UTC+8)
    摘要: A transceiver used for an orthogonal frequency-division multiplexing (OFDM) system is provided, including: a signal processing device for receiving an OFDM symbol and processing the OFDM symbol to generate a processing signal according to the OFDM symbol, wherein the OFDM symbol having pilots which have been hierarchically modulated; a pilot signal analysis device for collecting the processing pilots of the processing signal and demodulating the processing pilots to generate a plurality of levels where one of the plurality of levels comprises a plurality of refinement bits; a degree difference analysis module for generating a plurality of degree differences according to the refinement bits and detecting channel classification according to the degree differences to transmit a channel classification signal; and a channel detection module for generating and transmitting a best modulation indication signal to another transceiver to adjust modulation scheme according to the channel classification signal.
    關聯: United States Patent Application Publication, Pub. No.US8406325 B1
    顯示於類別:[電機工程學系暨研究所] 專利

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