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多輸入多輸出正交分頻多工系統中頻率域封包欄位偵測與載波頻率偏移估計之實做

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Figure 2-1 Definitions of packet structure with TD preambles in TX and search sequence in RX; in this  case, i=1, j=-1,  P ( 0,1, ∅ )   is the frequency response of complete TD preamble (+c), and  P ( 1,1, 1− )  to  P ( L − 1,1, 1− )  are
Figure 2-2 Example of trellis diagram
Figure 2-3 displays the block diagram of the FD-BD. The FFT sliding window slides  over the received samples one-by-one transfer L received samples (in the window) into  frequency domain via FFT module
Figure 2-4 Block diagram of receiver’s structure
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