Method and system for predicting frequency spectrum noise of power wireless private network

The invention relates to a method and system for predicting spectrum noise of a power wireless private network. The method includes obtaining frequency spectrum noise power of a set frequency in a settime period; determining a Markov chain model of frequency spectrum noise prediction of the power wireless private network according to the frequency spectrum noise power; and utilizing the Markov chain model of frequency spectrum noise prediction of the power wireless private network to predict the occurrence probability of frequency spectrum noise at a next moment in the future. The method forpredicting spectrum noise of the power wireless private network utilizes a frequency spectrum noise power value set of a certain frequency detected in a known period of time at fixed time intervals, and adopts the Markov chain model to predict the frequency spectrum noise of the certain frequency at the next moment. 本发明涉及种电力无线专网频谱噪声预测方法及系统，获取设定时间段内设定频率的频谱噪声功率；根据所述频谱噪声功率确定电力无线专网频谱噪声预测的马尔科夫链模型；利用所述电力无线专网频谱噪声预测的马尔科夫链模型预测未来下时刻