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在无线MIMO(多输入多输出)通信系统中,基于终端的TDOA/AOA混合定位方法能够用于终端自主定位。介绍了一种基于参数信道模型的MIMO信道AOA估计方法,并将估计结果用于混合定位。仿真结果表明此方法有较小的计算复杂度,其性能优于单纯的TDOA定位方法。
In the wireless MIMO (Multiple Input Multiple Output) communication system, the terminal-based TDOA / AOA hybrid positioning method can be used for terminal autonomous positioning. A MIMO channel AOA estimation method based on parametric channel model is introduced, and the estimation results are used for hybrid positioning. The simulation results show that this method has less computational complexity and its performance is better than the simple TDOA location method.