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Systems and methods for frequency domain realization of non-integer fractionally spaced time domain equalization
Systems and methods for frequency domain realization of non-integer fractionally spaced time domain equalization
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机译：非整数分数间隔时域均衡的频域实现系统和方法
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摘要
Various systems and methods are described for performing fractionally spaced time domain equalization (TEQ). One embodiment is a method implemented in a communication system for training a fractionally spaced time domain equalizer (TEQ). The method comprises performing an initialization phase, averaging a received signal in the system to reduce effects of noise in a channel, determining a channel estimate, and aligning an ideal reference signal with the received signal. The method further comprises updating a target response filter according to a non-integer multiple of a base sampling rate, determining an adaptation error based on useful information both inside and outside a Nyquist band of the TEQ, and updating the TEQ according to the adaptation error.
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