... layered protocol 分层规约，分层协议 leakage channel 泄漏信道 leased channel 租用信道，租用线路，租用通道 ...
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该方法充分考虑了非采样间隔信道的冲激响应能量泄漏问题。
The energy leakage of channel impulse response is enough calculated on non-sample spaced channel in this method.
同时，通过消除频域导频时域序列的自相关误差，能有效降低由DFT谱泄漏导致的信道估计误差。
At the same time, the channel estimation error, caused by the spectral leakage of DFT, can be reduced by canceling the auto-correlation error of the time-domain sequence of frequency-domain pilots.
基于对实际系统中信道冲激响应(CIR)泄漏问题的详细分析，提出了一种次优的时域信道估计算法。
Based on the detailed analysis of the channel impulse response (CIR) leakage in the practical OFDM systems, a sub-optimal time domain channel estimation algorithm is proposed.
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