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    • 2. 发明授权
    • Apparatus and method for estimating channel in wireless communication system
    • 无线通信系统估计信道的装置及方法
    • US09240863B2
    • 2016-01-19
    • US14043203
    • 2013-10-01
    • Samsung Electronics Co. Ltd.
    • Joo-Han KimTae-Yoon KimChai-Man Lim
    • H04K1/10H04L27/28H04L1/00H04L25/02
    • H04L1/0054H04L1/0045H04L25/0204H04L25/0216H04L25/0218H04L25/022H04L25/023
    • An apparatus for iteratively estimating a channel in a receiver of a wireless communication system is provided. The apparatus includes a channel estimator configured to estimate a first channel value by using a pilot symbol included in a received signal, a demodulator configured to demodulate the received signal by using the first channel value, a decoding unit configured to decode the received signal demodulated by the demodulator, a feedback determining unit configured to determine whether to iteratively estimate the channel, and a feedback device configured to feed back an input value of the decoding unit when the feedback determining unit determines to iteratively estimate the channel, wherein when the feedback determining unit determines to iteratively estimate the channel, the channel estimator estimates a second channel value by using at least one of the pilot symbol included in the received signal and a data symbol received from the feedback device.
    • 提供了一种用于迭代地估计无线通信系统的接收机中的信道的装置。 该装置包括:信道估计器,被配置为通过使用包括在接收信号中的导频符号来估计第一信道值;解调器,被配置为通过使用第一信道值来解调接收信号;解码单元,被配置为对由 所述解调器,反馈确定单元,被配置为确定是否迭代地估计所述信道;以及反馈设备,被配置为当所述反馈确定单元确定迭代地估计所述信道时反馈所述解码单元的输入值,其中,当所述反馈确定单元 确定迭代地估计信道,信道估计器通过使用包括在接收信号中的导频符号和从反馈设备接收的数据符号中的至少一个来估计第二信道值。