FIELD: communication.
SUBSTANCE: multiple (i.e. eight) vectors of modulation symbols can be defined and can be orthogonal towards each other. Multiple user terminal use transmission resources and synchronously sent different vectors of modulation symbols in the same cell. Each user terminal is assigned multiple sets out of at least one vector of modulation symbols used by this user terminal for signal transfer, i.e. one set of three vectors for reception confirmation (ACK) and another set of three vectors for negative reception confirmation (NAK). Each user terminal sends at least one set out of at least one vector in at least one cell for transfer of signal value. Different user terminals synchronously send different sets of at least one vector for at least one cell for transfer of its signal value.
EFFECT: increased effectiveness of feedback signal transmission.
39 cl, 11 dwg
