FIELD: communication systems.
SUBSTANCE: method of formation of preamble sequence that identifies every one of multiple mobile abonent stations located within the limits of cell or sector of communication system, which includes multiple subchannels that are assigned to mobile abonent stations, every one of subchannels includes multiple resolution cells, every one of which includes n adjacent subcarriers in frequency area, preamble sequence is transmitted prior to transmission of every channel, at that method includes formation of preamble sequence by means of phase shift of predetermined sequence according to predetermined sequence of phase shifts in frequency area.
EFFECT: formation of separate preamble sequences to spatial channels that are different from each other.
31 cl, 9 dwg
