Abstract: A method for estimating spatial parameters of a transmission channel between radio stations in communication systems is provided where it is assumed that an antenna means consisting of several individual radiators is allocated to a radio station. With the aid of these individual radiators, sampled values of a receive signal are determined, from which a receive matrix is formed. An estimated value for the spatial covariance matrix of the transmission channel is determined by means of matrix multiplication of the receive matrix with the conjugated complex transposed receive matrix. If several connections are active simultaneously, connection-individual channel impulse responses based on training sequences or estimated values for the transmitted data, are determined from the sampled values, which channel impulse responses are used to determine the connection-individual spatial covariance matrices.

Abstract: A method of channel allocation for a communication connection to a radio interface in a mobile communication system with spatial subscriber separation. The method includes comparing the disclosed allocation method is to compare the theoretical minimum P.sup.(l) (given optimum spatial separability) to the anticipated downlink transmission power P.sup.(I) for each channel in the selection of a channel. In order to speed up the calculation, the factors allocated to the K communication connections are selected proportional to the dominant eigenvectors u.sub.k (C.sub.k). A low value for the quotient in channel l allows one to conclude that the eigenvector u.sub.k for all K communication connections respectively fits well to the covariance matrices C.sub.k of the other K-1 communication connections and, thus, a good spatial separability is established.