公开(公告)号：US20040141565A1

公开(公告)日：2004-07-22

申请号：US10622306

申请日：2003-07-18

Applicant: InterDigital Technology Corporation

Inventor： Jaeyoung Kwak ,  Jung-Lin Pan ,  Ariela Zeira

IPC: H04B007/02 ,  H04B007/10

CPC classification number: H04B1/71055 ,  H04B1/7093 ,  H04B1/71072 ,  H04B7/0854 ,  H04L1/06 ,  H04L25/0212 ,  H04L25/0226 ,  H04L25/03305 ,  H04L25/03318

Abstract: A plurality of data signals are received over an antenna array having a plurality of antenna elements. The data signals are transmitted over a shared spectrum in a wireless communication system. A signal having each of the data signals is received over each antenna element. The plurality of data signals are grouped into a plurality of groups. The received signals of the antenna elements are matched filtered for a first group of the plurality of groups, producing a matched filtered result. Data is jointly detected of the first group using the matched filtered result. An interference correction signal is constructed using the detected data for each antenna element. The interference cancelled result is subtracted from the received signal of each antenna element, producing an interference cancelled result for each antenna element. Data is successively detected for remaining groups using the interference cancelled result for each antenna element.

Abstract translation: 通过具有多个天线元件的天线阵列接收多个数据信号。 数据信号通过无线通信系统中的共享频谱传输。 在每个天线元件上接收具有每个数据信号的信号。 多个数据信号被分组成多个组。 天线元件的接收信号对于多个组中的第一组进行匹配滤波，产生匹配的滤波结果。 使用匹配的过滤结果联合检测第一组的数据。 使用每个天线元件的检测数据构建干扰校正信号。 从每个天线元件的接收信号中减去干扰消除结果，产生每个天线元件的干扰消除结果。 使用每个天线元件的干扰消除结果对剩余组连续检测数据。

公开(公告)号：US20040136316A1

公开(公告)日：2004-07-15

申请号：US10644361

申请日：2003-08-20

Applicant: InterDigital Technology Corporation

Inventor： Jaeyoung Kwak ,  John W. Haim ,  Ariela Zeira ,  Jung-Lin Pan

IPC: H04J011/00

CPC classification number: H04B1/71052 ,  H04B2201/70707

Abstract: K data signals, or bursts, are transmitted over a shared spectrum in a code division multiple access communication format. A combined signal is received and sampled over the shared spectrum, as a plurality of received vector versions. The combined signal includes the K transmitted data signals. A plurality of system matrices and an associated covariance matrix using codes and estimated impulse responses of the K data signals is produced. Each system matrix corresponds to a received vector version. The system and covariance matrices are extended and approximated as block circulant matrices. A diagonal matrix of each of the extended and approximated system and covariance matrices are determined by prime factor algorithm-fast Fourier transform (PFA-FFT) without division of the matrix. The received vector versions are extended. A product of the diagonal matrices and the extended received vector versions is taken. An inverse block discrete Fourier transform is performed by a PFA-FFT on a result of the product to produce the estimated data of the K data signals.

Abstract translation: K个数据信号或脉冲串以码分多址通信格式通过共享频谱发送。 组合信号在共享频谱上被接收和采样，作为多个接收的矢量版本。 组合信号包括K个发送的数据信号。 产生多个系统矩阵和使用K个数据信号的代码和估计的脉冲响应的相关协方差矩阵。 每个系统矩阵对应于接收到的矢量版本。 系统和协方差矩阵被扩展和近似为块循环矩阵。 每个扩展和近似的系统和协方差矩阵的对角矩阵由质数因子算法 - 快速傅里叶变换（PFA-FFT）确定，而不分割矩阵。 收到的矢量版本被扩展。 采用对角矩阵和扩展接收向量版本的乘积。 通过PFA-FFT对乘积的结果执行逆块离散傅里叶变换，以产生K个数据信号的估计数据。