Multiple access techniques in a cellular network

A method of uplink data transmission from a UE to a base station in a wireless cellular communications network utilizing a non-orthogonal multiple access (NOMA) protocol is disclosed. A user equipment (UE) selects a modulation coding scheme (MCS) for use with an uplink data transmission and includes...

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Bibliographische Detailangaben
Hauptverfasser:	Umer Salim, Bruno Jechoux
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	A method of uplink data transmission from a UE to a base station in a wireless cellular communications network utilizing a non-orthogonal multiple access (NOMA) protocol is disclosed. A user equipment (UE) selects a modulation coding scheme (MCS) for use with an uplink data transmission and includes an indication of the selected MCS in an uplink transmission. The uplink transmission utilizes a grant-free transmission protocol. The MCS may be selected from a subset of MCS, the subset being a set selected from a larger set available to the UE. The indication may be sent in an uplink control information report. The MCS may be selected based on the performance of a previous set of uplink grant-free NOMA transmissions or downlink performance information obtained from a downlink synchronization.