US 12,732,917 B2Granted

Uplink channel power control method, apparatus, network device and terminal

AssigneeDatang Mobile Communications Equipment Co., Ltd.

InventorsQiuping Huang, Xin Su

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Abstract

Embodiments of the present disclosure provide an uplink channel power control method, apparatus, network device and terminal, and relate to the field of communication technologies. The uplink channel power control method performed by a network device, includes: indicating information used to determine a transmission power of an uplink channel resource, by using a first target signaling, where the information, which is used to determine the transmission power of the uplink channel resource and is indicated by the first target signaling, includes at least one of power control parameter indication information and power control parameter set indication information; and transmitting the first target signaling to a terminal, where the first target signaling is used by the terminal to determine the transmission power of the uplink channel resource. The technical solution of the present disclosure can enable the network device and the terminal to have a consistent understanding of the transmission power of uplink channel resources, thereby improving performance of uplink channel transmission in the M-TRP scenario.

Claims21

Dependent claims

An uplink channel power control method, performed by a network device, comprising:

indicating information used to determine a transmission power of an uplink channel resource, by using a first target signaling;
wherein the information, which is used to determine the transmission power of the uplink channel resource and is indicated by the first target signaling, includes at least one of power control parameter indication information or power control parameter set indication information;
and
transmitting the first target signaling to a terminal;
wherein the first target signaling is used by the terminal to determine the transmission power of the uplink channel resource;
wherein the transmission power of the uplink channel resource includes a transmission power of a first repetition of the uplink channel resource;
the transmission power of the first repetition of the uplink channel resource is determined according to a first power control parameter, and the first power control parameter is a power control parameter determined based on first preset information;
wherein the first preset information includes any one of a default power control parameter, a value of an identifier of a power control parameter, a size of a value of an identifier of a power control parameter, an information field of a first target signaling, an order of power control parameters indicated by a first target signaling or a code sequence corresponding to power control parameters indicated by a first target signaling;
and/or, a valid state of a power control parameter indicated by a first target signaling;
and/or, sorting of groups of power control parameters;
and/or,
the first preset information includes any one of a default power control parameter set, a value of an identifier of a power control parameter set, a size of a value of an identifier of a power control parameter set, an order of power control parameter sets indicated by a first target signaling or a code sequence corresponding to power control parameter sets indicated by a first target signaling;
and/or, a valid state of a power control parameter set indicated by a first target signaling;
and/or, sorting of groups of power control parameter sets.

11 more elements

An uplink channel power control method, performed by a terminal, comprising:

receiving a first target signaling;
wherein the first target signaling indicates information used to determine a transmission power of an uplink channel resource;
the information, which is used to determine the transmission power of the uplink channel resource and is indicated by the first target signaling, includes at least one of power control parameter indication information or power control parameter set indication information;
and
determining the transmission power of the uplink channel resource according to the first target signaling;
wherein the determining the transmission power of the uplink channel resource according to the first target signaling, includes:
determining a first power control parameter based on first preset information;
determining a transmission power of a first repetition of the uplink channel resource by using the first power control parameter;
wherein the first preset information includes any one of a default power control parameter, a value of an identifier of a power control parameter, a size of a value of an identifier of a power control parameter, an information field of a first target signaling, an order of power control parameters indicated by a first target signaling or a code sequence corresponding to power control parameters indicated by a first target signaling;
and/or, a valid state of a power control parameter indicated by a first target signaling;
and/or, sorting of groups of power control parameters;
and/or,
the first preset information includes any one of a default power control parameter set, a value of an identifier of a power control parameter set, a size of a value of an identifier of a power control parameter set, an order of power control parameter sets indicated by a first target signaling or a code sequence corresponding to power control parameter sets indicated by a first target signaling;
and/or, a valid state of a power control parameter set indicated by a first target signaling;
and/or, sorting of groups of power control parameter sets.

12 more elements

A terminal, comprising:

a memory, a transceiver, and a processor;
wherein the memory is configured to store a computer program;
the transceiver is configured to transmit and receive data under the control of the processor;
the processor is configured to read the computer program in the memory and perform the following operations:
receiving a first target signaling;
wherein the first target signaling indicates information used to determine a transmission power of an uplink channel resource;
the information, which is used to determine the transmission power of the uplink channel resource and is indicated by the first target signaling, includes at least one of power control parameter indication information and-or power control parameter set indication information;
determining the transmission power of the uplink channel resource according to the first target signaling;
wherein the determining the transmission power of the uplink channel resource according to the first target signaling, includes:
determining a first power control parameter based on first preset information;
determining a transmission power of a first repetition of the uplink channel resource by using the first power control parameter;
wherein the first preset information includes any one of a default power control parameter, a value of an identifier of a power control parameter, a size of a value of an identifier of a power control parameter, an information field of a first target signaling, an order of power control parameters indicated by a first target signaling or a code sequence corresponding to power control parameters indicated by a first target signaling;
and/or, a valid state of a power control parameter indicated by a first target signaling;
and/or, sorting of groups of power control parameters;
and/or,
the first preset information includes any one of a default power control parameter set, a value of an identifier of a power control parameter set, a size of a value of an identifier of a power control parameter set, an order of power control parameter sets indicated by a first target signaling or a code sequence corresponding to power control parameter sets indicated by a first target signaling;
and/or, a valid state of a power control parameter set indicated by a first target signaling;
and/or, sorting of groups of power control parameter sets.

15 more elements

Dependencies are inferred from the claim text.