Method For Measuring The Angles Of Multiple Paths By Means Of A Two Way Receiver

Abstract: 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 including N receiver antennascharacterized in that it includes at least the following steps: • effecting a symbol synchronization at the reference antenna (41) and then estimating the passage matrix between the signal x1 (nTs) received at said reference antenna and the reference symbols cn , where TS is the symbol time, • constructing two filters that will enable estimation and detection of the symbols on either side of the reference sequence d(t), • estimating the channel matrix A1.Q.H. on each of the switching operations 1 to N from the knowledge of the estimated symbols cn and constructing the channel matrix A.Q.H. where H is the channel matrix defined by where x(nTs) is the signal received at the N antennas, b(nTs) is the noise and Tp are the values of the delays of the reflected paths, estimating the value of the angle θp from the channel matrix A.Q.H. Figure 5 to be published

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