US 10,320,597 B2 · Scheduling of users for multi-user transmission in a wireless communication system

Abstract

There is provided a method and corresponding arrangements for scheduling users with different Guard Interval, GI, length for multi-user transmission in a wireless communication system, where each of the users is associated with a GI length. The proposed technology involves grouping at least a subset of the users into at least two groups according to GI length for transmission in allocated transmission opportunity, TXOP, resources. In this way, by dynamically scheduling at least part of the users for group-wise transmission according to GI length, the spectral efficiency can be improved. The proposed technology allows for higher scheduling flexibility when different users have different GI length requirements.

Claims12

Dependent claims

A method performed by a network node in a wireless communication network, the method comprising:

determining a required guard interval length for each wireless device among a plurality of wireless devices subject to multi-user scheduling by the wireless communication network;
grouping the wireless devices according to their required guard interval lengths, such that at least the majority of wireless devices in each group have the same required guard interval length;
commonly assigning a guard interval length to the members of each group that satisfies the longest required guard interval length determined for the members of the group, the assigned guard interval length taken from a predefined, discrete set of guard interval lengths;
and
scheduling, for multi-user transmissions conducted according to the commonly assigned guard length intervals, different ones of the groups in different multi-user transmission opportunities.

2 more elements

A network node configured for operation in a wireless communication network, the network node comprising:

communication circuitry configured for wireless communication;
and
processing circuitry operatively associated with the communication circuitry and configured to:
determine a required guard interval length for each wireless device among a plurality of wireless devices subject to multi-user scheduling by the wireless communication network;
group the wireless devices according to their required guard interval lengths, such that at least the majority of wireless devices in each group have the same required guard interval length;
commonly assign a guard interval length to the members of each group that satisfies the longest required guard interval length determined for the members of the group, the assigned guard interval length taken from a predefined, discrete set of guard interval lengths;
and
schedule, for multi-user transmissions conducted according to the commonly assigned guard length intervals, different ones of the groups in different multi-user transmission opportunities.

5 more elements

Dependencies are inferred from the claim text.

Scheduling of users for multi-user transmission in a wireless communication system

Life of this patent

Scheduling of users for multi-user transmission in a wireless communication system

Life of this patent

Abstract

Claims12