US 10,314,019 B2Granted

Method for controlling uplink power in wireless communication system and device therefor

AssigneeLG Electronics Inc.

InventorsJonghyun Park, Hanbyul Seo, Seungmin Lee

Life of this patent

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Abstract

A method for performing uplink power control by a user equipment, the method includes receiving downlink, DL, hybrid automatic repeat and request, HARQ configuration information indicating a uplink-downlink, UL-DL, configuration used as a DL HARQ reference configuration; receiving downlink control information, DCI, containing transmit power control, TPC, information; determining transmit power of a physical uplink control channel, PUCCH, carrying ACK/NACK information for a physical downlink shared channel, PDSCH, based on the TPC information; and transmitting the PUCCH with the transmit power of the PUCCH, wherein the transmit power of the PUCCH is determined based on the TPC information according to the DL HARQ reference configuration.

Claims10

Dependent claims

A method for performing uplink (UL) power control by a user equipment in a wireless communication system, the method comprising:

receiving downlink (DL) hybrid automatic repeat and request (HARQ) configuration information on a UL-DL configuration used as a DL HARQ reference configuration;
receiving downlink control information (DCI) containing transmit power control (TPC) information;
determining transmit power of a physical uplink control channel (PUCCH) carrying acknowledgement (ACK)/negative acknowledgement (NACK) information for a physical downlink shared channel (PDSCH) based on the TPC information;
and
transmitting the PUCCH with the transmit power of the PUCCH,
wherein the transmit power of the PUCCH is determined based on the TPC information and the DL HARQ reference configuration, and
wherein the DL HARQ configuration information indicates one of only UL-DL configurations 2, 4 and 5 as the DL HARQ reference configuration, among seven UL-DL configurations available in the wireless communication system, and
wherein the seven UL-DL configurations are listed in the following table:
UL-DL
config-
Subframe number
uration
0
1
2
3
4
5
6
7
8
9
0
D
S
U
U
U
D
S
U
U
U
1
D
S
U
U
D
D
S
U
U
D
2
D
S
U
D
D
D
S
U
D
D
3
D
S
U
U
U
D
D
D
D
D
4
D
S
U
U
D
D
D
D
D
D
5
D
S
U
D
D
D
D
D
D
D
6
D
S
U
U
U
D
S
U
U
D,
where D denotes a downlink subframe, S denotes a special subframe and U denotes a uplink subframe.

97 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/868,138Filed 11 Jan 2018 · continuation
Priority: 4 Mar 2013
Published: US 2018/0139751 A117 May 2018
Granted: 4 Jun 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification13 codes

H04W 72/21
Control channels or signalling for resource management: in the uplink direction of a wireless link, i.e. towards the network
H04L 1/1812
Automatic repetition systems, e.g. Van Duuren systems: hybrid protocols; Hybrid automatic repeat request [HARQ]
H04L 5/14
Arrangements affording multiple use of the transmission path: two-way operation using the same type of signal, i.e. duplex
H04W 52/06
Transmission power control [TPC]: tPC algorithms

Family

Application61/772,498Us provisional application · filed 4 Mar 2013
Application61/930,469Us provisional application · filed 22 Jan 2014
Application61/930,948Us provisional application · filed 24 Jan 2014
PCT/KR2014/001769Parent of this continuation · filed 4 Mar 2014
US 2018/0139751 A1Pre-grant publication · published 17 May 2018
Application14/760,127Parent of this continuation
US 9,907,058 B2Parent of this continuation
US 2015/0351040 A1Published application
US 10,314,019 B2This patent

From the US filing history. Foreign family members aren’t listed.