MOBILE COMMUNICATION SYSTEM, RECEIVING DEVICE AND SIGNAL TRANSMISSION METHOD Russian patent published in 2013 - IPC H04J99/00 H04B7/04 

FIELD: radio engineering, communication.

SUBSTANCE: transmitting device Fourier-transforms symbols in a transmission symbol sequence, maps the Fourier-transformed symbols to subcarriers, inverse-Fourier-transforms the mapped symbols and transmits the inverse-Fourier-transformed symbols from multiple transmitting antennae. A receiving device Fourier-transforms received signals, extracts signal components mapped to the subcarriers, and estimates the symbols transmitted via the subcarriers by applying a QR decomposition algorithm to the extracted signal components. The receiving device obtains a unitary matrix QH such that the product of the unitary matrix QH, a weight matrix W determining a correspondence between the transmission symbol sequence and the subcarriers, and a channel matrix H equals a triangular matrix R, and estimates potential symbols transmitted from the transmitting antennae based on the unitary matrix QH and the triangular matrix R.

EFFECT: high accuracy of signal detection in a receiving device in a mobile communication system using a MIMO scheme with one carrier and an FDMA on one carrier.

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