METHOD AND DEVICE FOR REDUCING PEAK-TO-AVERAGE POWER RATIO IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING MODULATION SYSTEM

METHOD AND DEVICE FOR REDUCING PEAK-TO-AVERAGE POWER RATIO IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING MODULATION SYSTEM

A method of a base station in a wireless communication system, includes: identifying layer information to which a physical downlink shared channel (PDSCH) for transmission to at least one terminal is mapped, and code division multiplexing (CDM) group information; applying, based on the layer informa...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: AHN, Kwangjin, SHIM, Seijoon
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A method of a base station in a wireless communication system, includes: identifying layer information to which a physical downlink shared channel (PDSCH) for transmission to at least one terminal is mapped, and code division multiplexing (CDM) group information; applying, based on the layer information and the CDM group information, a phase rotation to a demodulation reference signal (DMRS) for the PDSCH; and transmitting, to the at least one terminal, the DMRS to which the phase rotation is applied.