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Low complexity technique for detecting data in a received multiple-input-multiple-output (MIMO) signal

机译:低复杂度技术,用于检测接收到的多输入多输出(MIMO)信号中的数据

摘要

Systems and methods for detecting data in a received multiple-input-multiple-output signal are provided. First, second, and third signals are received and form a vector y. The received signals are associated with first, second, and third data values that form a vector x. A channel matrix (H) is received, and a QR decomposition of the channel matrix is performed, such that H=QR. The vector y is transformed into a vector z according to z=QHy. A distance value between the rector z and the vector x is determined for each possible third data value. A nearest constellation point is calculated based on a first of the possible third data values. The calculating step is repeated for each of the possible third data values to generate a set of constellation point triplets. The distance values are determined using the set of constellation point triplets.
机译:提供了用于检测所接收的多输入多输出信号中的数据的系统和方法。第一,第二和第三信号被接收并形成向量y。接收到的信号与形成矢量x的第一,第二和第三数据值相关联。接收信道矩阵(H),并且执行信道矩阵的QR分解,使得H = QR。向量y根据z = Q H y变换为向量z。对于每个可能的第三数据值确定在记录器z和向量x之间的距离值。基于可能的第三数据值中的第一个计算最近的星座点。对每个可能的第三数据值重复计算步骤,以生成一组星座点三重态。距离值是使用一组星座点三元组​​确定的。

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