FIELD: radio engineering. SUBSTANCE: device designed for CDMA communication systems that uses orthogonal and quasi-orthogonal codes at a time is available in more than one design alternates. According to one alternative channel estimate unit yields estimate value of pilot channel signal expanded by orthogonal code by means of compression. Quasi-orthogonal channel receiver functions to receive channel signal expanded by quasi-orthogonal code, to compress channel signal, to demodulate compressed channel signal with aid of channel estimate value, and to yield output signal. Interference estimate unit functions to estimate interference value of pilot channel signal and channel signal by receiving correlation value between orthogonal and quasi-orthogonal codes. Interference suppressor removes estimated interferences from output signal of quasi-orthogonal channel receiver. EFFECT: reduced interference between orthogonal and quasi-orthogonal codes. 13 cl, 6 dwg
