公开(公告)号：US20120087406A1

公开(公告)日：2012-04-12

申请号：US13270770

申请日：2011-10-11

申请人： Chae Man LIM ,  Ho II KIM ,  Young Min KI

发明人： Chae Man LIM ,  Ho II KIM ,  Young Min KI

IPC分类号： H04B1/10 ,  H04L27/01

CPC分类号： H04L5/0026 ,  H04J11/004 ,  H04J11/005 ,  H04L25/03038 ,  H04L25/03305

摘要： A device and method is provided for iterative inter-cell interference cancellation and channel equalization in the mobile communication system. A downlink receiver of a mobile communication system according to the present invention includes a channel estimator for estimating channel impulse response of a selected cell from channel signals of respective cells; an equalizer for equalizing the channel impulse response output by the channel estimator using an equalization coefficient; a despreader for generating a symbol observation value per code channel by despreading the output of the equalizer with a code of the selected cell; and a cell interference estimator for estimating a symbol signal power and noise power of a data code channel from the symbol observation value and generates the estimated MMSE as a chip level regeneration sample.

摘要翻译： 提供了一种用于移动通信系统中的迭代小区间干扰消除和信道均衡的装置和方法。 根据本发明的移动通信系统的下行链路接收机包括：信道估计器，用于从各个小区的信道信号估计所选小区的信道脉冲响应; 均衡器，用于使用均衡系数均衡由信道估计器输出的信道脉冲响应; 解扩器，用于通过使用所选择的单元的代码解扩展均衡器的输出来产生每个代码通道的符号观察值; 以及小区干扰估计器，用于从码元观测值估计数据码信道的符号信号功率和噪声功率，并生成估计的MMSE作为芯片级再生样本。

公开(公告)号：US20120114085A1

公开(公告)日：2012-05-10

申请号：US13291490

申请日：2011-11-08

申请人： Joo Han KIM ,  Chae Man LIM

发明人： Joo Han KIM ,  Chae Man LIM

IPC分类号： H04B1/10

CPC分类号： H04L25/022 ,  H04L25/0224

摘要： A method and apparatus for estimating a channel efficiently though pilot subcarrier signal transformation and noise reduction in the mobile communication system are provided. The apparatus includes a time domain transformer for transforming received pilot subcarrier signals to time domain signals, a noise reducer for reducing noises of the time domain signals, a frequency domain transformer for transforming the noise-reduced time domain signals to frequency domain signals, and a final channel estimator for estimating channel values of data subcarriers received using the frequency domain signals. The channel estimation method and apparatus of improves performance with the reduction of computational complexity.

摘要翻译： 提供了一种通过导频子载波信号变换和噪声降低来有效地估计信道的方法和装置。 该装置包括用于将接收到的导频子载波信号变换为时域信号的时域变换器，用于减少时域信号噪声的降噪器，用于将噪声降低的时域信号变换为频域信号的频域变换器，以及 用于估计使用频域信号接收的数据子载波的信道值的最终信道估计器。 信道估计方法和装置通过降低计算复杂度来提高性能。