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|1. (WO2018083861) USER DEVICE, BASE STATION AND REFERENCE SIGNAL TRANSMISSION METHOD|
|Applicants:||NTT DOCOMO, INC.
|Title:||USER DEVICE, BASE STATION AND REFERENCE SIGNAL TRANSMISSION METHOD|
This user device, in a radio communication system comprising a base station and a user device, has a generation unit which generates an uplink reference signal in accordance with a prescribed uplink reference signal configuration sent from the base station or a prescribed uplink reference signal configuration defined by a specification, and a transmission unit which transmits the generated uplink reference signal, wherein, in the aforementioned prescribed uplink reference signal configuration, in one symbol within a prescribed time domain, frequency resources for transmitting the uplink reference signal are mapped discreetly in the frequency direction.