Patent ID: 7310366

Claim:
A process for estimating amplification factors (g a (b) ) of a received CDMA Signal (r(ν)): (a) receiving a CDMA Signal (r(ν)) having amplification factors (g a (b) ) in a mobile radio system, said CDMA signal including a plurality of code channels, in which, respectively, an incoming signal (s a (b) (l)) of a symbol plane with a splitter code (w a (b) (ν)) is split into a chip plane; (b) providing a cost function (L) dependent upon estimated values (ĝ a (b) ) of all the amplification factors (g a (b) ) of the received CDMA signal; (c) partially differentiating the cost function (L) according to the estimated value (ĝ a (b) ) of the amplification factors (g a (b) ) of the received CDMA signal; (d) forming a matrix-vector-equation based on all partial differentials of the cost function (L) being zero and thus presenting a minimum of the cost function; (e) determining at least some of the matrix coefficients (A a,μ (b,λ) ) of the matrix-vector-equation with a correlation function on the symbol plane at the mobile radio system to determine the estimated amplification factors (g a (b) ); and (f) conveying the estimated amplification factors (g a (b) ) for interpretation of the received CDMA signal (r(ν)) by the mobile radio system.