广义预编码辅助空间调制在每一个时隙内通过选择激活接收天线组合来传递空间维度信息比特。在相同频谱效率和信噪比的情况下，相比于传统的广义空间调制系统，广义预编码辅助空间调制系统的误比特性能有显著提升。同时，针对广义预编码辅助空间调制系统现有的检测算法具有较高的计算复杂度的问题，提出了一种基于广义预编码辅助空间调制的分组检测算法。仿真结果表明，该算法的检测性能接近最大似然检测算法，且复杂度显著降低。

The features of Generalized Pre-coding aided Spatial Modulation (GPSM) are that in each time slot the bit information of space dimension is transmitted by selecting the active receiving antenna combination. In the same frequency spectrum efficiency and signal-to-noise ratio, GPSM shows better bit error performance when compared to conventional generalized spatial modulation system. Meanwhile, to reduce the complexity of signal detection in GPSM, this paper proposes a group detection algorithm base on GPSM. The simulation results show that the detection performance of the proposed algorithm is similar to that of the Maximum Likelihood (ML) method, while the complexity is reduced significantly.