The invention discloses a method and device for estimating noise power, the methods to determine the channel estimation value of each frequency unit of the current user pilot point; according to predetermined time domain equalization granularity, the current user of all frequency division unit for N: TF time-frequency the balancing block; time frequency equalization related blocks within each guide channel frequency between the strong correlation; using each time-frequency balance of each pilot point channel block in the estimated value is calculated for each time-frequency equalization of normalized noise power related block; using each of the time-frequency equalization of normalized noise power related block when the frequency of the current user, calculating the equilibrium average noise power related block; time frequency of the current user equilibrium average noise power block related to normalized noise power of the current user The rate of. The invention has the advantages of small calculation complexity and good estimation accuracy.
【技术实现步骤摘要】
【技术保护点】
一种估计噪声功率的方法，其特征在于，该方法包括以下步骤： ａ、确定当前用户的时频单元的每个导频点的信道估计值；根据事先确定的时频域均衡颗粒度，将当前用户的所有时频单元划分为Ｎ↓［ｔｆ］个时频均衡相关块；所述时频均衡相关块内各导频点间的信道 强相关； ｂ、利用每个时频均衡相关块内的各导频点信道估计值，计算每个时频均衡相关块的归一化噪声功率； ｃ、利用所述每个时频均衡相关块的归一化噪声功率，计算当前用户的时频均衡相关块的平均噪声功率； ｄ、对所述当前用户的时频均衡相关块的平 均噪声功率进行去归一化处理，得到当前用户的噪声功率。
【技术特征摘要】
【专利技术属性】
技术研发人员：陆会贤，苗玉梅，邱海杰，
申请(专利权)人：大唐移动通信设备有限公司，
类型：发明
国别省市：11[中国|北京]
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