The invention relates to a method for determining the angles of arrival or the direction of arrival of the multiple paths associated with a transmitter or source Ei in a system comprising N receiving antennas and a two-way switch, characterized in that same comprises at least the following steps: carrying out a symbol synchronization on the reference antenna (41) and then estimating the transfer matrix between the signal ϰ1 (nTs) received on said reference antenna and the symbols Cn, where Ts is the symbol time, constructing two filters which will enable the signals to be estimated and detected on either side of the reference sequence d(t), estimating the channel matrix A1i.Ω.H. on each of the commutations 1 to N from the knowledge of the estimated symbols Cn, and constructing the channel matrix A.Ω.H. where H is the channel matrix defined by x(nTs) = A.Ω.H.cn +b(nTs) where H = formula (I), with x(nTs) being the signal received on the N antennas, with b(nTs) being the noise and τp the values of the delays of the reflected paths, and estimating the value of the angle θp from the channel matrix A.Ω.H.
展开▼
机译：本发明涉及一种用于在包括N个接收天线和双向开关的系统中确定与发射机或源Ei相关联的多条路径的到达角度或到达方向的方法，其特征在于，该方法至少包括：接下来的步骤是：在参考天线（4 1 ）上执行符号同步，然后估计信号ϰ 1 （ nT 在所述参考天线上接收到的 s ）和符号C n ，其中T s 是符号时间，两个滤波器，可以在参考序列d（t）的任一侧上估计和检测信号，从而估计信道矩阵A 1 i .Ω.H。根据估计符号C n 的知识，对每个换向1至N进行变换，并构造信道矩阵A.Ω.H。其中H是由x（ nT s ）=A.Ω.Hc n + b定义的信道矩阵（ nT s ），其中H =公式（I），其中x（nTs）是在N根天线上接收到的信号，b（ nT s ）是噪声，而τ p 是反射路径的延迟值，并据此估算角度θ p 的值通道矩阵A.Ω.H.
展开▼
