Each pilot sub - carrier signal is placed at a different sub-carrier signal location for each successive symbol duration of the OFDM signal to form a sliding pilot sub-carrier signal.
对于OF DM信号的每个连续符号持续时间，每个导频子载波信号放在不同的子载波信号位置，以形成滑动导频子载波信号。
Each pilot sub- carrier signal is modulated with a predetermined pilot modulation scheme.
用预定的导频调制机制来调制每个导频子载波信号。
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