US 10,856,290 B2Granted

Subframe configuration method and apparatus

AssigneeHuawei Technologies Co., Ltd.

InventorXiongshu Yi

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Abstract

Embodiments of the present application relate to the communications field, and provide a subframe configuration method and apparatus. The method includes: classifying, by a base station, user equipments UEs in a first cell into N user groups, and determining an uplink-downlink subframe configuration required by each user group; determining a primary uplink-downlink subframe configuration of the first cell according to the uplink-downlink subframe configuration of each user group; determining configuration indication information of each user group according to the primary uplink-downlink subframe configuration and the uplink-downlink subframe configuration required by each user group; and sending, to each user group in the N user groups, the primary uplink-downlink subframe configuration and configuration indication information including at least the configuration indication information of the user group. The embodiments of the present application are applied to a full duplex scenario of a base station.

Claims22

Dependent claims

A subframe configuration method, comprising:

classifying, by a base station, user equipments (UEs) in a first cell into N user groups, wherein UEs in a same user group of the N user groups have a same uplink-downlink subframe configuration, and N is a positive integer greater than or equal to 2;
determining, by the base station, a primary uplink-downlink subframe configuration of the first cell according to an uplink-downlink subframe configuration of each user group in the N user groups, wherein the primary uplink-downlink subframe configuration comprises a flexible subframe, and a transmission direction of the flexible subframe is variable;
determining, by the base station, configuration indication information of each user group according to the primary uplink-downlink subframe configuration and the uplink-downlink subframe configuration of each user group, wherein the configuration indication information is used to indicate a transmission direction of the flexible subframe in each user group;
and
sending, by the base station, the primary uplink-downlink subframe configuration and the configuration indication information to each user group;
wherein determining, by the base station, the primary uplink-downlink subframe configuration of the first cell according to the uplink-downlink subframe configuration of each user group in the N user groups further comprises:
in the first cell, if a total quantity of downlink subframes in uplink-downlink subframe configurations of the N user groups is larger than a total quantity of uplink subframes in the uplink-downlink subframe configurations, determining, by the base station, an uplink-downlink subframe configuration of a third user group in the N user groups as the primary uplink-downlink subframe configuration of the first cell, wherein a quantity of downlink subframes comprised in the uplink-downlink subframe configuration of the third user group is the largest;
or
in the first cell, if a total quantity of uplink subframes in uplink-downlink subframe configurations of the N user groups is larger than a total quantity of uplink subframes in the uplink-downlink subframe configurations, determining, by the base station, an uplink-downlink subframe configuration of a fourth user group in the N user groups as the primary uplink-downlink subframe configuration of the first cell, wherein a quantity of uplink subframes comprised in the uplink-downlink subframe configuration of the fourth user group is the largest.

6 more elements

A subframe configuration method, comprising:

determining, by a base station, a primary uplink-downlink subframe configuration of a first cell according to an uplink-downlink subframe configuration of each user group in N user groups in the first cell, wherein N is a positive integer greater than or equal to 2;
receiving, by user equipment (UE), the primary uplink-downlink subframe configuration of the first cell and configuration indication information that are sent by the base station, wherein the primary uplink-downlink subframe configuration comprises a flexible subframe, a transmission direction of the flexible subframe is variable, the configuration indication information is used to indicate a transmission direction of the flexible subframe in a user group to which the user equipment belongs;
and
adjusting, by the user equipment, the transmission direction of the flexible subframe in the primary uplink-downlink subframe configuration according to the configuration indication information;
wherein determining, by the base station, the primary uplink-downlink subframe configuration of the first cell according to the uplink-downlink subframe configuration of each user group in the N user groups in the first cell further comprises:
in the first cell, if a total quantity of downlink subframes in uplink-downlink subframe configurations of the N user groups is larger than a total quantity of uplink subframes in the uplink-downlink subframe configurations, determining, by the base station, an uplink-downlink subframe configuration of a third user group in the N user groups as the primary uplink-downlink subframe configuration of the first cell, wherein a quantity of downlink subframes comprised in the uplink-downlink subframe configuration of the third user group is the largest;
or
in the first cell, if a total quantity of uplink subframes in uplink-downlink subframe configurations of the N user groups is larger than a total quantity of uplink subframes in the uplink-downlink subframe configurations, determining, by the base station, an uplink-downlink subframe configuration of a fourth user group in the N user groups as the primary uplink-downlink subframe configuration of the first cell, wherein a quantity of uplink subframes comprised in the uplink-downlink subframe configuration of the fourth user group is the largest.

5 more elements

A subframe configuration apparatus, comprising:

a memory storing instructions;
and
a processor coupled to the memory to execute the instructions to:
classify user equipments (UEs) in a first cell into N user groups, wherein user equipments UEs in a same user group of the N user groups have a same uplink-downlink subframe configuration, and N is a positive integer greater than or equal to 2;
determine a primary uplink-downlink subframe configuration of the first cell according to an uplink-downlink subframe configuration of each user group in the N user groups, wherein the primary uplink-downlink subframe configuration comprises a flexible subframe, and a transmission direction of the flexible subframe is variable;
determine configuration indication information of each user group according to the primary uplink-downlink subframe configuration and the uplink-downlink subframe configuration of each user group in the N user groups, wherein the configuration indication information is used to indicate a transmission direction of the flexible subframe in each user group;
and
send the primary uplink-downlink subframe configuration and the configuration indication information to each user group;
wherein determining the primary uplink-downlink subframe configuration of the first cell according to the uplink-downlink subframe configuration of each user group in the N user groups further comprises:
in the first cell, if a total quantity of downlink subframes in uplink-downlink subframe configurations of the N user groups is larger than a total quantity of uplink subframes in the uplink-downlink subframe configurations, determining, by the base station, an uplink-downlink subframe configuration of a third user group in the N user groups as the primary uplink-downlink subframe configuration of the first cell, wherein a quantity of downlink subframes comprised in the uplink-downlink subframe configuration of the third user group is the largest;
or
in the first cell, if a total quantity of uplink subframes in uplink-downlink subframe configurations of the N user groups is larger than a total quantity of uplink subframes in the uplink-downlink subframe configurations, determining, by the base station, an uplink-downlink subframe configuration of a fourth user group in the N user groups as the primary uplink-downlink subframe configuration of the first cell, wherein a quantity of uplink subframes comprised in the uplink-downlink subframe configuration of the fourth user group is the largest.

9 more elements

A subframe configuration apparatus, comprising:

a memory storing instructions;
and
a processor coupled to the memory to execute the instructions to:
determine a primary uplink-downlink subframe configuration of a first cell according to an uplink-downlink subframe configuration of each user group in N user groups in the first cell, wherein N is a positive integer greater than or equal to 2;
receive the primary uplink-downlink subframe configuration of the first cell and configuration indication information that are sent by a base station, wherein the primary uplink-downlink subframe configuration comprises a flexible subframe, a transmission direction of the flexible subframe is variable, the configuration indication information is used to indicate a transmission direction of the flexible subframe in a user group to which the user equipment belongs;
and
adjust the transmission direction of the flexible subframe in the primary uplink-downlink subframe configuration according to the configuration indication information;
wherein determining the primary uplink-downlink subframe configuration of the first cell according to the uplink-downlink subframe configuration of each user group in the N user groups in the first cell further comprises:
in the first cell, if a total quantity of downlink subframes in uplink-downlink subframe configurations of the N user groups is larger than a total quantity of uplink subframes in the uplink-downlink subframe configurations, determining, by the base station, an uplink-downlink subframe configuration of a third user group in the N user groups as the primary uplink-downlink subframe configuration of the first cell, wherein a quantity of downlink subframes comprised in the uplink-downlink subframe configuration of the third user group is the largest;
or
in the first cell, if a total quantity of uplink subframes in uplink-downlink subframe configurations of the N user groups is larger than a total quantity of uplink subframes in the uplink-downlink subframe configurations, determining, by the base station, an uplink-downlink subframe configuration of a fourth user group in the N user groups as the primary uplink-downlink subframe configuration of the first cell, wherein a quantity of uplink subframes comprised in the uplink-downlink subframe configuration of the fourth user group is the largest.

8 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/205,327Filed 30 Nov 2018 · continuation
Priority: CN 2016 1 037937931 May 2016
Published: US 2019/0110291 A111 Apr 2019
Granted: 1 Dec 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

H04W 72/0446
Based on the type of the allocated resource: resources in time domain, e.g. slots or frames
H04L 5/0037
Arrangements for allocating sub-channels of the transmission path: inter-user or inter-terminal allocation
H04L 5/0053
Arrangements for allocating sub-channels of the transmission path: allocation of signalling, i.e. of overhead other than pilot signals
H04L 5/0092
Signalling for the administration of the divided path, e.g. signalling of configuration information: indication of how the channel is divided