公开(公告)号：US20110142106A1

公开(公告)日：2011-06-16

申请号：US12793180

申请日：2010-06-03

申请人： Yang-Han Lee ,  Yi-Sing Hsiao ,  Jing-Shown Wu ,  Hen-Wai Tsao

发明人： Yang-Han Lee ,  Yi-Sing Hsiao ,  Jing-Shown Wu ,  Hen-Wai Tsao

IPC分类号： H04L5/16 ,  H04L27/28

CPC分类号： H04L25/0226 ,  H04L25/0202 ,  H04L27/3488

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.

摘要翻译： 提供了一种用于正交频分复用（OFDM）系统的收发机，包括：信号处理装置，用于接收OFDM符号并处理OFDM符号以根据OFDM符号生成处理信号，其中具有导频的OFDM符号 已经分层调制; 导频信号分析装置，用于收集处理信号的处理导频并解调处理导频以产生多个电平，其中多个电平中的一个电平包括多个细化位; 度差分析模块，用于根据细化比特生成多个度差，并根据度差检测信道分类以发送信道分类信号; 以及信道检测模块，用于生成并发送最佳调制指示信号到另一收发器，以根据信道分类信号调整调制方案。

公开(公告)号：US08369389B2

公开(公告)日：2013-02-05

申请号：US12793180

申请日：2010-06-03

申请人： Yang-Han Lee ,  Yi-Sing Hsiao ,  Jing-Shown Wu ,  Hen-Wai Tsao

发明人： Yang-Han Lee ,  Yi-Sing Hsiao ,  Jing-Shown Wu ,  Hen-Wai Tsao

IPC分类号： H04B1/38

CPC分类号： H04L25/0226 ,  H04L25/0202 ,  H04L27/3488

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.

摘要翻译： 提供了一种用于正交频分复用（OFDM）系统的收发机，包括：信号处理装置，用于接收OFDM符号并处理OFDM符号以根据OFDM符号生成处理信号，其中具有导频的OFDM符号 已经分层调制; 导频信号分析装置，用于收集处理信号的处理导频并解调处理导频以产生多个电平，其中多个电平中的一个电平包括多个细化位; 度差分析模块，用于根据细化比特生成多个度差，并根据度差检测信道分类以发送信道分类信号; 以及信道检测模块，用于生成并发送最佳调制指示信号到另一收发器，以根据信道分类信号调整调制方案。