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Semi-blind channel estimation using sub-carriers with lower modulation order in an OFDM system

机译:OFDM系统中使用具有较低调制阶数的子载波的半盲信道估计

摘要

Sub-carriers carrying signalling data in an OFDM system are modulated at a lower modulation order than sub-carriers carrying traffic data. The lower modulation order provides a higher degree of reliability. These sub-carriers are then used for semi-blind channel estimation and phase tracking.
机译:与承载业务数据的子载波相比,在OFDM系统中承载信令数据的子载波的调制阶数更低。较低的调制阶数提供较高的可靠性。这些子载波然后用于半盲信道估计和相位跟踪。

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