FIELD: radio engineering, communication.
SUBSTANCE: invention discloses a mobile terminal, having a reference signal generator (11), designed to generate demodulation reference signals using ZC sequences, and a cyclic shift module (13), designed for cyclic shift of demodulation reference signals in units of a plurality of antenna elements (19) for orthogonalisation of demodulation reference signals for antenna ports (19) between antenna ports (19), wherein cyclically shifted demodulation reference signals are transmitted to a radio base station eNB by through corresponding antenna ports (19) in an uplink.
EFFECT: orthogonalisation of uplink reference signals between a plurality of antennae during MIMO transmission.
12 cl, 17 dwg
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