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1. (WO2017180029) RESOURCE ALLOCATION FOR DOWNLINK TRANSMISSION TO AT LEAST TWO WIRELESS COMMUNICATION DEVICES

Pub. No.:    WO/2017/180029    International Application No.:    PCT/SE2016/050307
Publication Date: Fri Oct 20 01:59:59 CEST 2017 International Filing Date: Wed Apr 13 01:59:59 CEST 2016
IPC: H04L 5/00
H04B 7/06
H04W 72/00
Applicants: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Inventors: KAPETANOVIC, Dzevdan
BUTT, Naveed
DI TARANTO, Rocco
Title: RESOURCE ALLOCATION FOR DOWNLINK TRANSMISSION TO AT LEAST TWO WIRELESS COMMUNICATION DEVICES
Abstract:
There is provided a method for resource allocation for downlink transmission to at least two wireless communication devices in a wireless communication network. Simultaneous transmission to the wireless communication devices is allowed on one 5 or more channels with at least two supported modulation alphabets of different sizes, each channel being defined by a set, called resource unit, of one or more subcarriers. The method comprises obtaining (S1), for each of the wireless communication devices, channel feedback information for each modulation alphabet the wireless communication device supports and for each resource unit on which the wireless 10 communication device is allowed to receive a transmission. The method also comprises selecting (S2), from a number of possible assignments of the wireless communication devices to different resource units and different modulation alphabets, a resource allocation based on the channel feedback information including an assignment of the wireless communication devices to at least one resource unit and 15 at least one modulation alphabet among those assignments providing the highest total downlink throughput for the wireless communication devices.