FIELD: radio engineering, in particular, wide-band communication systems. SUBSTANCE: device is mounted at input of receivers which belong to base station of code-division channel access communication system. Device provides rejection of structure noise instead of information signal. Reference signal for rejection is designed as sum of copies of structure noise signals. Each copy of structure noise takes into account not only structure of modulation information sequence, but also structure of information sequence. This results in possibility in significantly decreased rejection filter suppression band, which is independent from ΔF. EFFECT: increased stability to noise. 6 dwg
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