研究MIMO系统检测算法理论及其实现方法的基础上，对已证明较优的算法进行结合和改进，提出了一种改进的K—Best检测算法及其实现方案，并通过仿真验证了方案的可行性。该算法采用预测技术和并行排序相结合的方法，降低了计算复杂度；采用并行流水线结构实现，节省了处理时-Basic research MIMO system detection algorithm theory and its implementation methods, have proven to be the optimum combination and improved algorithms, we propose a modified K-Best detection algorithm and its implementation, and verified by simulation feasible options sex. When using a parallel pipelined architecture implementation, saving processing　This algorithm uses forecasting techniques and parallel sorting method of combining to reduce the computational complexity