CN110536392B - Power control method, device, equipment and storage medium - Google Patents

Power control method, device, equipment and storage medium Download PDF

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CN110536392B
CN110536392B CN201810910946.XA CN201810910946A CN110536392B CN 110536392 B CN110536392 B CN 110536392B CN 201810910946 A CN201810910946 A CN 201810910946A CN 110536392 B CN110536392 B CN 110536392B
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frequency domain
domain resource
power control
transmission
control parameter
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CN110536392A (en
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姚珂
高波
鲁照华
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/08—Closed loop power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/10—Open loop power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/20—TPC being performed according to specific parameters using error rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss

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Abstract

The invention discloses a power control method, a device, equipment and a storage medium, which are used for at least determining power control parameters of a plurality of frequency domain resources. The method comprises the following steps: when the transmission of the second frequency domain resource is triggered by the signaling of the first frequency domain resource, or the transmission of the second frequency domain resource is indicated by the signaling of the first frequency domain resource, or the second frequency domain resource is activated by the signaling of the first frequency domain resource, or the first frequency domain resource is switched to the second frequency domain resource, the first communication node performs one of: determining power control parameters related to transmission of second frequency domain resources according to the power control parameters related to transmission of the first frequency domain resources; and determining a path loss parameter associated with transmission of the second frequency domain resource according to the synchronization signal block SSB.

Description

Power control method, device, equipment and storage medium
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a power control method, apparatus, device, and storage medium.
Background
Currently, a New Radio (NR) technology as a fifth generation mobile communication system is being established, and the NR technology needs to support many different types of application scenarios, and also needs to support a traditional frequency band, a New high frequency band, and a beam mode at the same time, which brings a great challenge to power control design.
The power of the uplink transmission is related to many factors, such as path loss, target received power, maximum transmit power, closed loop power adjustment, bandwidth of transmission, rate of transmission, etc. The Uplink transmission in the NR at least includes a Physical Uplink Shared Channel (PUSCH), a Physical Uplink Control Channel (PUCCH), and an Uplink Sounding Reference Signal (SRS).
The NR supports a Component Carrier (CC) further divided into several fractional Bandwidths (BWPs). Only one BWP can be activated for one User Equipment (UE) at a time. When a BWP handover occurs, the scheduling information for the upstream transmission may be sent on the original BWP while the upstream transmission is sent on the new BWP. How to determine the power control parameters, especially the Path Loss (PL) information, of an uplink transmission sent on a new BWP is not clear in the related art.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks, an objective of the present invention is to provide a power control method, apparatus, device and storage medium, which are used to at least determine power control parameters of multiple frequency domain resources.
To solve the above technical problem, a power control method in an embodiment of the present invention includes:
when the transmission of the second frequency domain resource is triggered by the signaling of the first frequency domain resource, or the transmission of the second frequency domain resource is indicated by the signaling of the first frequency domain resource, or the second frequency domain resource is activated by the signaling of the first frequency domain resource, or the first frequency domain resource is switched to the second frequency domain resource, the first communication node performs one of:
determining power control parameters related to transmission of second frequency domain resources according to the power control parameters related to transmission of the first frequency domain resources;
and determining a path loss parameter associated with transmission of the second frequency domain resource according to the synchronization signal block SSB.
In order to solve the above technical problem, a power control apparatus in an embodiment of the present invention includes a condition determining module and an operating module;
the operating module is configured to, when the condition determining module determines that transmission of a second frequency domain resource is triggered by signaling of the first frequency domain resource, or that transmission of the second frequency domain resource is indicated by signaling of the first frequency domain resource, or that the second frequency domain resource is activated by signaling of the first frequency domain resource, or that the first frequency domain resource is switched to the second frequency domain resource, trigger the first communication node to perform an operation of one of:
determining a power control parameter associated with transmission of a second frequency domain resource according to the power control parameter associated with transmission of the first frequency domain resource;
and determining a path loss parameter associated with transmission of the second frequency domain resource according to the synchronization signal block SSB.
In order to solve the above technical problem, a receiving device in an embodiment of the present invention includes a memory storing a power control computer program and a processor executing the computer program to implement the steps of the method as described above.
To solve the above technical problem, a computer-readable storage medium in an embodiment of the present invention stores a power control computer program;
the power control computer program may be executable by at least one processor to implement the steps of the method as described above.
The invention has the following beneficial effects: the embodiments of the present invention implement determining power control parameters of multiple frequency domain resources, and particularly implement determining power control parameters of multiple frequency domain resources when switching occurs in the frequency domain resources.
The above description is only an overview of the technical solutions of the present invention, and the present invention can be implemented in accordance with the content of the description so as to make the technical means of the present invention more clearly understood, and the above and other objects, features, and advantages of the present invention will be more clearly understood.
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Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic diagram of switching a first frequency domain resource to a second frequency domain resource in an embodiment of the present invention;
fig. 2 is a schematic diagram of a second frequency domain resource being activated on the basis of a first frequency domain resource in the embodiment of the present invention;
fig. 3 is a schematic diagram of multiple first frequency-domain resources that can be referred to in this embodiment of the present invention;
FIG. 4 is a diagram illustrating that multiple BWPs may be activated simultaneously in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a power control apparatus according to an embodiment of the present invention.
Detailed Description
In a wireless communication system, transmission power control of transmissions is required in order to reduce power consumption of a transmitting device and to reduce interference caused by unnecessary high-power transmissions to other transmissions. Factors such as the size of the communication range, the maximum transmission power and reception sensitivity of the transceiver devices of both communication parties, the modulation and coding scheme and rate of data, the operating frequency band, and the bandwidth occupied by transmission all affect the transmission power. Generally, it is necessary to use a lower transmission power as much as possible under the condition that the received signal quality requirement of the receiving end is satisfied.
In a general communication technique, a communication node 1 transmits a reference signal, and a communication node 2 measures a path loss PL (simply referred to as a path loss) from the node 1 to the node 2 based on the reference signal. PL is calculated using the difference between the transmission power of the reference signal at node 1 and the reception power of the reference signal received at node 2. Assuming that the PL of the node 2 to node 1 transmission channel is the same as the PL of the node 1 to node 2 channel, the node 2 can calculate the transmission power of the node 2 as the transmitting node to node 1 with the above-mentioned PL. Since PL is the result of a unilateral measurement, this factor belongs to the open loop part in the transmission power. The node 1 receives the transmission and analyzes the transmission, and provides power adjustment information for the node 2 according to the received quality, and the process belongs to closed-loop power control. Wherein, the power control may be referred to as power control for short.
In LTE, the base station to terminal link is the downlink and the terminal to base station link is the uplink. The downlink power is determined by the base station based on the channel measurements of each scheduled UE and the scheduling algorithm. The power control of the uplink is an open loop combined with a closed loop approach. In addition, certain quantities related to transmission, such as transmission rate, modulation and Coding Scheme (MCS) level, transmission bandwidth, etc., also affect power.
The following is a formula for calculating the transmission power of the PUSCH channel in LTE, and each parameter that affects power is explained by taking this as an example.
Figure BDA0001761826270000041
In a Carrier Aggregation (Carrier Aggregation) scenario, each UE supports a number of component carriers CC, and each CC is also called a Serving Cell (Serving Cell). In the above formula, the subscript c refers to the serving cell. As can be seen from the above equation, the transmission power in the power calculation equation is calculated for the serving cell.
Power P of uplink transmission PUSCH PUSCH Is partially determined by a target received power P O_PUSCH The path loss amount PL and the path loss factor alpha, wherein the target receiving power is divided into cell-level and UE-level parameters which are determined by the base station and configured to the UE; the closed-loop part is that the base station determines the adjustment quantity of closed-loop Power Control according to the difference between the measurement result and the target, and informs the UE in a mode of transmitting a Power Control Command (TPC Command), namely, delta aiming at the PUSCH in the DCI PUSCH . And the UE maintains a local power adjustment amount f (i), updates according to the transmission power control command, and achieves the purpose of closed-loop power control by adopting the formula. Where i is the subframe number, Δ TF Is the MCS dependent power offset, P CMAX Is the maximum power limit of the UE.
Cell level target received power P for LTE O_PUSCH The method distinguishes PUSCH (semi-static, dynamic, message 3MSG 3) and PUCCH and respectively corresponds to different Block Error rate (BLER) requirements. The UE level target received power parameter P0_ UE _ specific is also set to distinguish the above items in order to compensate systematic deviations, such as PL estimation errors, errors in absolute output power setting.
Updating f (i) according to the transmission power control command is divided into two modes: the method comprises an accumulative method and an absolute value method, wherein the absolute value method is to directly update the local closed-loop power adjustment amount f (i) of the UE with a transmission power control command sent by the base station, and the accumulative method determines the local closed-loop power adjustment amount f (i) of the UE by the transmission power control command sent by the base station and a historical value of the local closed-loop power adjustment amount of the UE. Note that f (i) here represents the amount of closed loop power adjustment local to the UE. For PUCCH transmission, the subscript is ignored, and the UE-local closed loop power control adjustment amount in the power control formula is denoted by g (i), and is a UE-local closed loop power adjustment amount for PUCCH, similar to the f (i) meaning of PUSCH.
The local closed loop Power Adjustment f (i) of the UE is also called Power Control Adjustment State (Power Control Adjustment State).
In the 5G technology, the power control of the uplink transmission is at the BWP level, that is, the transmit power is determined for each BWP level uplink transmission.
The 5G technology introduces a beam transmission mode, and both the base station and the UE support multiple beams. When operating in beam mode, the power calculation needs to take into account the characteristics of the beam. The resources used for path loss measurement in 5G are related to the beam of the transmission path, and need to be configured by the base station, so the path loss measurement parameters exist independently of the open-loop power control parameters and the closed-loop power control parameters.
To support the beam mode, the power control parameters are configured in 3 parts: open-loop power control parameters, closed-loop power control parameters, and Reference Signal (RS) parameters for path loss measurement. Each part supports and configures a plurality of open-loop power control parameters (or a set thereof), namely, the number of the open-loop power control parameters (or the set thereof) can be configured with J at most, and the number of each open-loop power control parameter (or the set thereof) is J; at most K path loss measurement parameters (or a set thereof) can be configured, and the number of each path loss measurement parameter (or the set thereof) is K; at most L closed-loop power control parameters (or a set thereof) can be configured, and the number of each closed-loop power control parameter (or a set thereof) is L; j is an integer which is more than 0 and less than or equal to J, K is an integer which is more than 0 and less than or equal to K, L is an integer which is more than 0 and less than or equal to L, and J, K and L are integers which are more than 0.
Wherein, the open-loop power control parameter comprises at least one of the following parameters: target received power, path loss factor; the Reference Signal (RS) parameters of the path loss measurement include at least one of: a reference signal resource indication for path loss measurement, a reference signal resource type indication for path loss measurement; the closed-loop power control parameter comprises at least one of the following parameters: and (4) identifying the closed loop power control process and the number of the closed loop power control processes.
The set of open-loop power control parameters includes at least one of: target received power, path loss factor;
the set of path loss measurement parameters includes at least one of: a reference signal resource type indication for path loss measurement, a reference signal resource indication for path loss measurement, and a processing rule of path loss values of reference signals for two or more path loss measurements;
the closed loop power control process parameters include at least one of: the closed loop power control process identification set and the number of the closed loop power control processes.
If the UE supports multiple beams (or beam groups), the base station configures an association between each possible beam (or beam group) and the open-loop power control parameter, the closed-loop power control parameter, the path loss measurement parameter. A beam (or group of beams) may be indicated by a reference signal resource.
The reference signal includes at least one of: uplink Sounding Signal (SRS), channel State Information Reference Signal (CSI-RS), synchronization Signal Block (SSB), phase Tracking Reference Signal (PTRS), tracking Reference Signal (TRS), and Demodulation Reference Signal (DMRS).
The base station indicates the reference signal resource for the uplink transmission of the UE, so that the UE obtains the power control parameter associated with the reference signal resource.
Examples are as follows:
the base station configures J1 open-loop power control parameters (or a set thereof), K1 path loss measurement parameters (or a set thereof) and L1 closed-loop power control parameters (or a set thereof) for PUSCH transmission of the UE.
The base station configures a PUSCH Transmission mode for the UE, such as Codebook-Based Transmission (Codebook Based Transmission) or Non-Codebook-Based Transmission (Non-Codebook Based Transmission).
The base station configures an uplink sounding signal resource set (SRS resource set) based on a PUSCH transmission mode for the UE, wherein the uplink sounding signal resource set comprises at least one uplink sounding signal resource (SRS resource).
The base station sends Downlink Control Information (DCI) to the UE, where the DCI includes SRS Resource Indicator (SRI), and the SRI may be used to determine precoding for PUSCH transmission. The set of SRIs indicated in DCI for different PUSCH transmission schemes may be different. For example, a set of SRIs for codebook-based transmission may have 2 SRIs, each SRI representing an SRS Resource (Resource); there may be 15 SRIs in the SRI set for non-codebook based transmission, each SRI representing one SRS resource or multiple SRS resources.
The base station configures each member SRI in the SRI set indicated in the DCI for the UE to be associated with at least one of the following: open-loop power control parameter (or set thereof) number, path loss measurement parameter (or set thereof) number, and closed-loop power control parameter (or set thereof) number.
And the base station informs the UE of the power control parameter of PUSCH transmission through the SRI in the DCI.
The described uplink transmission includes the following categories: PRACH (Physical Random Access Channel), PUCCH, PUSCH, SRS.
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The use of prefixes such as "first," "second," etc. to distinguish between elements is merely intended to facilitate the description of the invention and has no particular meaning in and of themselves.
The mobile terminal may be a mobile phone, a tablet computer, a notebook computer, a palm computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, an intelligent bracelet, a pedometer, and the like.
Example one
The embodiment of the invention provides a power control method, which comprises the following steps:
when the transmission of the second frequency domain resource is triggered by the signaling of the first frequency domain resource, or the transmission of the second frequency domain resource is indicated by the signaling of the first frequency domain resource, or the second frequency domain resource is activated by the signaling of the first frequency domain resource, or the first frequency domain resource is switched to the second frequency domain resource, the first communication node performs one of:
determining a power control parameter associated with transmission of a second frequency domain resource according to the power control parameter associated with transmission of the first frequency domain resource;
and determining a path loss parameter associated with transmission of the second frequency domain resource according to the synchronization signal block SSB.
The method in the embodiment of the invention is executed on the side of receiving equipment, such as UE. Wherein the frequency domain resources include one of: partial bandwidth BWP and component carrier CC.
The embodiment of the invention realizes the determination of the power control parameters in a plurality of frequency domain resources, and is suitable for the scene of frequency domain resource switching and the scene of the same power control grouping. For example, a scenario in which a first frequency domain resource is switched to a second frequency domain resource, and a scenario in which the first frequency domain resource and the second frequency domain belong to the same frequency domain resource group. The power control group may be a frequency resource group.
The synchronization signal block SSB refers to a synchronization signal SS/physical broadcast channel PBCH in which the first communication node receives the master information block MIB.
In some embodiments, the first communication node may further perform the operations of one of:
not transmitting the transmission of the second frequency domain resource at the second frequency domain resource before the reference signal of the path loss parameter associated with the transmission of the second frequency domain resource is transmitted;
transmitting the transmission of the second frequency domain resource after the reference signal of the path loss parameter associated with the transmission of the second frequency domain resource is transmitted;
and after the reference signal of the path loss parameter associated with the transmission of the second frequency domain resource is sent and the path loss is measured, sending the transmission of the second frequency domain resource.
In detail, in some embodiments the UE is configured with several frequency domain resources. The frequency domain resource refers to one of: BWP and CC.
As shown in fig. 1, when the UE is instructed to switch from a first frequency domain resource to a second frequency domain resource, power control parameters of the second frequency domain resource are determined according to the power control parameters of the first frequency domain resource.
In a certain frequency domain range, a plurality of frequency domain resources are limited to only one of the frequency domain resources being activated at a time. It is assumed that several BWPs are configured in one CC and that only one BWP is activated at a time in each CC. At some time t1, BWP1 is activated for at least upstream transmission. At some time t2 thereafter, BWP2 is activated for upstream transmission. The power control parameters for uplink transmission of BWP1 may be used to determine the power control parameters for uplink transmission of BWP2.
Wherein switching from the first frequency domain resource to the second frequency domain resource may include: the transmission of the second frequency domain resource is triggered or indicated by the first frequency domain resource. Wherein, the transmission of the first frequency domain resource comprises the scheduling information of the transmission of the second frequency domain resource. For example, the first frequency domain resource includes scheduling information of uplink transmission of the second frequency domain resource. For example, the DCI for BWP1 includes uplink scheduling information for scheduling uplink PUSCH transmission on BWP2.
Alternatively, switching from the first frequency domain resource to the second frequency domain resource may include: the transmission of the second frequency-domain resource is in response to the transmission of the first frequency-domain resource. Wherein the transmission of the second frequency domain resource comprises response information of the transmission of the first frequency domain resource. For example, the PDSCH transmission sent on BWP1, whose response information, such as HARQ ack/nack, is carried in PUCCH or PUSCH on BWP2.
Alternatively, switching from the first frequency domain resource to the second frequency domain resource may include: the MAC signaling of the first frequency domain resource triggers or indicates a switch to the second frequency domain resource. For example, MAC signaling on BWP1 triggers uplink transmission to switch to BWP2, or MAC signaling on BWP1 instructs uplink transmission to switch to BWP2.
Alternatively, switching from the first frequency-domain resource to the second frequency-domain resource may include: the MAC (Media Access Control) signaling of the first frequency domain resource indicates activation of the second frequency domain resource. For example, MAC signaling on BWP1 indicates that BWP2 is activated for uplink transmission. BWP1 is replaced by BWP2, i.e. BWP1 switches to BWP2, since only one BWP can be activated at the same time.
As shown in fig. 2, when the UE operates in the first frequency domain resource and is instructed to activate the second frequency domain resource, the power control parameter of the first frequency domain resource may be used as the power control parameter for determining the second frequency domain resource. Wherein, include one of the following: switching the first frequency domain resource to a second frequency domain resource; the first frequency domain resources and the second frequency domain resources are both in an active state.
For example, the first frequency domain resource is replaced by the second frequency domain resource when the UE is instructed to activate the second frequency domain resource. Such as BWP1 switching to BWP2. Or the first frequency domain resources are activated simultaneously with the second frequency domain resources when the UE is instructed to activate the second frequency domain resources.
And when the UE works in the first frequency domain resource and is instructed to activate the second frequency domain resource, and the first frequency domain resource and the second frequency domain resource belong to the same frequency domain resource group, determining the power control parameter of the second frequency domain resource according to the power control parameter of the first frequency domain resource.
The frequency domain resource group refers to a plurality of frequency domain resources sharing power control parameters. The frequency-domain Resource group may be an RRC (Radio Resource Control) configuration, or the RRC configures a plurality of frequency-domain Resource groups and is activated by MAC layer signaling, or the RRC configures the plurality of frequency-domain Resource groups and is activated by physical layer signaling. The frequency resource group may also be referred to as a power control frequency resource group.
For example, the UE supports 5 CCs, wherein the first 2 CCs are configured as a power control frequency domain parameter set 1 and the last 3 CCs are configured as a power control frequency domain parameter set 2.RRC signaling configures the above parameters. Or the RRC signaling configures the parameters, and the MAC layer signaling or the physical layer signaling selects one or more of the parameters as the frequency domain resource group which is effective at the current moment.
After the second frequency domain resource is activated, before the second frequency domain resource sends uplink transmission, the RS indicated by the path loss measurement parameter of the uplink transmission of the second frequency domain resource is not received, or the path loss amount is not enough estimated in time, and then the power control parameter of the second frequency domain resource is determined according to the power control parameter of the first frequency domain resource.
And partially or completely determining the power control parameters of the transmission of the second frequency domain resources according to the power control parameters of the first frequency domain resources corresponding to the reference signal resource information of the transmission of the second frequency domain resources.
Determining the power control parameter for transmission of the second frequency domain resource according to the power control parameter for transmission of the first frequency domain resource may include: and determining the path loss measurement parameter of the power control parameter transmitted by the second frequency domain resource according to the path loss measurement parameter of the power control parameter of the first frequency domain resource.
Alternatively, determining the power control parameter for the transmission of the second frequency-domain resource according to the power control parameter for the transmission of the first frequency-domain resource may include: and determining the open-loop power control parameter of the transmitted power control parameter of the second frequency domain resource according to the open-loop power control parameter of the first frequency domain resource.
Alternatively, determining the power control parameter for the transmission of the second frequency-domain resource according to the power control parameter for the transmission of the first frequency-domain resource may include: and determining the closed-loop power control parameter of the power control parameter transmitted by the second frequency domain resource according to the closed-loop power control parameter of the first frequency domain resource. The closed loop power control parameters include at least one of: closed loop power control number, closed loop power control adjustment amount corresponding to the closed loop power control number.
The open-loop power control parameter, the closed-loop power control parameter, and the path loss measurement parameter of the power control parameter of the second frequency domain resource may be obtained from or used by a corresponding parameter of the power control parameter of the first frequency domain resource. For example, the power control parameters of the second frequency domain resource may use only a part of the power control parameters of the first frequency domain resource, or, for example, only the path loss measurement parameters of the power control parameters of the first frequency domain resource are used, so called, the path loss measurement parameters of the power control parameters of the second frequency domain resource, and the rest of the power control parameters are used and configured for the second frequency domain resource.
Examples are: when the first frequency-domain resource BWP1 is switched to the second frequency-domain resource BWP2, even if the RS for path loss measurement is configured independently for BWP2, if the PUSCH for BWP2 is scheduled on BWP1, it is likely that it will not be time to transmit the corresponding RS for BWP2 for path loss measurement, i.e. path loss estimation cannot be completed, before switching to BWP2 until the PUSCH transmission time, and then it is reasonable for the path loss measurement parameters for BWP1 to be used for BWP2.
The path loss measurement parameter of the power control parameter of the first frequency domain resource is used to determine the path loss measurement parameter of the power control parameter of the transmission of the second frequency domain resource until the RS of the path loss measurement configured for the transmission of the second frequency domain resource is sent.
Or the path loss measurement parameter of the power control parameter of the first frequency domain resource is used to determine the path loss measurement parameter of the power control parameter of the transmission of the second frequency domain resource until the RS of the path loss measurement configured for the transmission of the second frequency domain resource is sent, and the path loss amount of the RS is measured by the UE.
Optionally, when the number of the path loss measurement parameters in the power control parameter of the first frequency domain resource is greater than 1, when the path loss measurement parameter of the power control parameter of the second frequency domain resource is determined according to the path loss measurement parameter of the power control parameter of the first frequency domain resource, the path loss measurement parameter of the power control parameter of the first frequency domain resource includes one of:
a path loss measurement parameter corresponding to the transmission power of the latest PUSCH transmitted in the first frequency domain resource;
a path loss measurement parameter corresponding to the transmission power of the latest PUCCH transmitted in the first frequency domain resource;
a path loss measurement parameter corresponding to the spatial relationship of the latest PUCCH activated in the first frequency domain resource;
a path loss measurement parameter corresponding to the spatial relationship of the PUCCH with the minimum resource number activated by the first frequency domain resource;
the path loss measurement parameter with the minimum number in the power control information of the PUSCH configured by the first frequency domain resource;
the path loss measurement parameter in the correlation with the minimum correlation number of the SRI and the PUSCH power control in the power control information of the PUSCH configured by the first frequency domain resource;
and the minimum path loss value in the SSB and/or CSI-RS used for path loss measurement of the first frequency domain resource configuration.
For example, there are K1 path loss measurement parameters configured for PUSCH transmission of the first frequency domain resource, and the number K is 0 to K1-1, respectively, where K1=4. The open-loop power control parameter with the minimum number in the power control information of the PUSCH of the first frequency domain resource configuration refers to the path loss measurement parameter with the number k being 0.
For another example, there are K1 open-loop power control parameters configured for PUSCH transmission of the first frequency domain resource, and the number K takes a value of 0 to K1-1, respectively, where K1=4. And configuring a plurality of associations of the SRI and the path loss measurement parameters, wherein 2 associations are assumed, SRI0 is associated with k =0, the corresponding association number is 0, SRI 1 is associated with k =3, and the corresponding association number is 1. The path loss measurement parameter in the association with the smallest association number between the SRI and the PUSCH power control in the power control information of the PUSCH of the first frequency domain resource configuration refers to the path loss measurement parameter of j =0 indicated in the association between SRI0 and j = 0.
The path loss value obtained by the measurement parameter configured by the first frequency domain resource may be used as a path loss item in the calculation of the transmission power of the second frequency domain resource.
The minimum path loss value in the SSB and/or CSI-RS configured for path loss measurement by the first frequency domain resource refers to selecting one of RSs in which the UE monitors the path loss information, where the path loss value is the minimum, to be used as the path loss value in the power control parameter of the second frequency domain resource.
Optionally, the power control parameter associated with transmission of the first frequency-domain resource includes one of:
reference signal resource information associated with a Physical Downlink Control Channel (PDCCH) of the first frequency domain resource containing a scheduling signaling for transmission of the second frequency domain resource;
reference signal resource information associated with a Physical Downlink Control Channel (PDCCH) of the first frequency domain resource, which contains signaling for activating the second frequency domain resource;
reference signal resource information associated with media access control signaling of the first frequency domain resource containing signaling activating the second frequency domain resource.
Optionally, an average value of a plurality of path loss values, which are greater than a predetermined threshold, in the SSB and/or CSI-RS configured for path loss measurement by the first frequency-domain resource is used as the path loss value in the power control parameter of the second frequency-domain resource.
Optionally, the maximum path loss value of a plurality of path loss values greater than a predetermined threshold in the SSB and/or CSI-RS configured for path loss measurement by the first frequency domain resource is used as the path loss value in the power control parameter of the second frequency domain resource. The predetermined threshold is a predefined value or a value configured by the base station.
Optionally, the open-loop power control parameter of the first frequency domain resource is used to determine the open-loop power control parameter of the transmission of the second frequency domain resource until the RS for measuring the path loss configured for the transmission of the second frequency domain resource is sent.
Or the open-loop power control parameter of the first frequency domain resource is used for determining the open-loop power control parameter of the transmission of the second frequency domain resource until the RS for measuring the path loss configured for the transmission of the second frequency domain resource is sent, and the RS is measured by the UE to obtain the path loss of the RS.
Optionally, when the number of open-loop power control parameters in the power control parameters of the first frequency domain resource is greater than 1, and when the open-loop power control parameters of the transmission of the second frequency domain resource are determined according to the path loss measurement parameters of the power control parameters of the first frequency domain resource, the open-loop power control parameters of the first frequency domain resource include one of:
open loop power control parameters corresponding to the latest PUSCH transmission power transmitted in the first frequency domain resource;
open-loop power control parameters corresponding to the transmission power of the latest PUCCH transmitted in the first frequency domain resource;
the open loop power control parameters corresponding to the space relation of the latest PUCCH activated in the first frequency domain resource;
an open loop power control parameter corresponding to the spatial relationship of the PUCCH with the minimum resource number activated by the first frequency domain resource;
open loop power control parameters with the minimum number in the power control information of the PUSCH configured by the first frequency domain resources;
open loop power control parameters in the correlation with the minimum correlation number of the SRI and the PUSCH power control in the power control information of the PUSCH configured by the first frequency domain resource;
for example, J1 open-loop power control parameters are configured for PUSCH transmission of the first frequency domain resource, and the numbers are 0 to J1-1 respectively. The open loop power control parameter with the minimum number in the power control information of the PUSCH of the first frequency domain resource configuration refers to the open loop power control parameter with the number 0.
For example, there are J1 open-loop power control parameters configured for PUSCH transmission of the first frequency domain resource, and the number J takes a value of 0 to J1-1, respectively, where J1=8. And configuring a plurality of associations of the SRI and the open loop power control parameter, assuming 2 associations, SRI0 is associated with j =0, the corresponding association number is 0, SRI 1 is associated with j =3, and the corresponding association number is 1. The open loop power control parameter in the association with the smallest association number between the SRI and the PUSCH power control in the power control information of the PUSCH configured for the first frequency domain resource refers to the open loop power control parameter of j =0 indicated in the association between SRI0 and j = 0.
Optionally, the closed-loop power control parameter of the first frequency domain resource is used to determine the closed-loop power control parameter of the transmission of the second frequency domain resource until the RS for the path loss measurement configured for the transmission of the second frequency domain resource is sent.
Or the closed-loop power control parameter of the first frequency domain resource is used for determining the closed-loop power control parameter of the transmission of the second frequency domain resource until the RS for measuring the path loss configured for the transmission of the second frequency domain resource is sent, and the RS is measured by the UE to obtain the path loss of the RS.
Optionally, when the number of closed-loop power control parameters in the power control parameters of the first frequency domain resource is greater than 1, and when the closed-loop power control parameters of the transmission of the second frequency domain resource are determined according to the path loss measurement parameters of the power control parameters of the first frequency domain resource, the closed-loop power control parameters of the first frequency domain resource include one of:
closed loop power control parameters corresponding to the latest PUSCH transmission power transmitted in the first frequency domain resource;
closed loop power control parameters corresponding to the transmission power of the latest PUCCH transmitted in the first frequency domain resource;
closed loop power control parameters corresponding to the space relation of the latest PUCCH activated in the first frequency domain resource;
closed loop power control parameters corresponding to the spatial relationship of the PUCCH with the minimum resource number activated by the first frequency domain resource;
closed loop power control parameters with the minimum number in the power control information of the PUSCH configured by the first frequency domain resources;
closed loop power control parameters in the correlation with the minimum correlation number of SRI and PUSCH power control in the power control information of the PUSCH configured by the first frequency domain resource;
the transmission of the second frequency domain resource may use the closed-loop power control parameter of the first frequency domain resource to include at least one of: a closed-loop power control number, and a power control adjustment state corresponding to the closed-loop power control number of the first frequency domain resource. The power control adjustment state is also referred to as a local closed-loop power control adjustment amount of the UE.
That is, the transmission of the second frequency domain resource uses the power control parameters of part or all of the first frequency domain resource until the RS configured for the transmission of the second frequency domain resource is sent, or until the RS configured for the transmission of the second frequency domain resource is sent, and the UE measures the path loss amount of the RS.
After the RS configured for the transmission of the second frequency domain resource is sent, or after the RS configured for the transmission of the second frequency domain resource is sent and the path loss amount of the RS is measured by the UE, the transmission of the second frequency domain resource determines the transmission power by using the power control parameter configured for the transmission of the second frequency domain resource.
Or, after the UE activates the second frequency domain resource, before the second frequency domain resource sends the uplink transmission, the base station already sends the RS indicated by the path loss measurement parameter configured to the second frequency domain resource and corresponding to the uplink transmission, and the UE may receive the RS and estimate the path loss amount in time.
That is, each of the above-mentioned nearest points is a parameter of a transmission transmitted on a first frequency domain resource nearest to the time point when power is determined for transmission of a second frequency domain resource, which is closest to the time point.
The power control parameter of the frequency domain resource in the embodiment of the present invention may be a power control parameter configured for the frequency domain resource and used for all types of transmission, or may be a transmission power control parameter of a set type of the frequency domain resource. The set type of transmission comprises one of: PUSCH, PUCCH, SRS.
In detail, as shown in fig. 3, the embodiment of the present invention mainly realizes that when BWP can be activated in multiple numbers, the newly activated second frequency-domain resource can refer to the PC parameters of more than 1 first frequency-domain resource, and how to determine which first frequency-domain resource to use.
Wherein the UE is configured with several frequency domain resources. The frequency domain resource refers to one of: BWP, CC.
When the UE operates on a plurality of activated first frequency domain resources, and when the UE is instructed to newly activate a second frequency domain resource, determining power control parameters of the second frequency domain resource according to the power control parameters of the plurality of first frequency domain resources may include one of:
determining power control information of the second frequency domain resource according to the power control information of the first frequency domain resource where the indication information for activating the second frequency domain resource is located;
determining power control information of the second frequency domain resource according to the power control information of the first frequency domain resource which is closest to the second frequency domain resource in frequency domain;
determining power control information of the second frequency domain resource according to the power control information of the first frequency domain resource which belongs to the same frequency domain resource group with the second frequency domain resource;
determining power control information of a second frequency domain resource according to the power control information of a first frequency domain resource which is numbered closest to the second frequency domain resource in a plurality of first frequency domain resources belonging to the same frequency domain resource group with the second frequency domain resource;
and determining the power control information of the second frequency domain resource according to the power control information of the first frequency domain resource which is closest to the second frequency domain resource in the frequency domain of a plurality of first frequency domain resources belonging to the same frequency domain resource group with the second frequency domain resource.
The indication information for activating the second frequency domain resource may include MAC layer signaling for triggering activation of the second frequency domain resource, or physical layer signaling for scheduling transmission of the second frequency domain resource. The physical layer signaling for scheduling transmission of the second frequency domain resource may refer to scheduling information for scheduling PUSCH transmission to be transmitted in the second frequency domain resource, or may refer to that the PDSCH transmitted in the first frequency domain resource is instructed to transmit response information in the second frequency domain resource.
The frequency domain resource group refers to a power-controlled frequency domain resource group, each group includes a plurality of frequency domain resources, and transmissions on the frequency domain resources can share the same group of power control parameters or share part of the power control parameters. For example, only the path loss measurement parameter is shared, or the path loss measurement parameter and the closed-loop power control parameter are shared.
The frequency-domain resource groups may share one set of power control parameters or share a portion of the power control parameters for only a set type of transmission.
The set type of transmission includes at least one of: PUSCH, PUCCH, SRS.
Alternatively, the PUSCH may refer to a PUSCH carrying a specific service. The specific service refers to one of the following: URLLC (ultra-high reliable ultra-low latency communication), eMBB (enhanced Mobile Broadband), mtc (large-scale internet of things).
The base station configures power control parameters for the frequency domain resource group of the UE, and the power control parameters comprise at least one of the following parameters: the system comprises at least one open-loop power control parameter set, at least one path loss measurement parameter set and at least one closed-loop power control parameter set.
And the base station configures the correlation between the reference signal information and the power control parameters for the frequency domain resource group of the UE. The reference signal information is referenced by the transmission of all frequency-domain resources within a set of frequency-domain resources.
For example, the base station configures power control parameters for the frequency-domain resource group of the UE, including an open-loop power control parameter pool, a path loss measurement parameter pool, and a closed-loop power control parameter pool. And the base station also configures a reference signal information pool for the frequency domain resource group of the UE and configures an incidence relation pool. Each incidence relation comprises reference signal information, open-loop power control parameters, path loss measurement parameters and closed-loop power control parameters. The reference signal information referenced for transmission of the frequency-domain resources within the set of frequency-domain resources is from the pool of reference signal information described above. The reference signal pool may not be directly configured but informed to the UE through other configurations. For example, by SRI included in the configuration of the set of SRS resources, or a possible combination of SRS resources in the set of SRS resources for which the configuration is used for codebook-based/non-codebook-based transmission transmitted in DCI. The set of SRS resources described above may be configured for a set of frequency-domain resources.
Reference signal information as referenced for PUSCH transmission refers to the SRI field in the DCI scheduling the PUSCH. The reference signal information referred to for PUCCH transmission refers to a spatial relationship of the PUCCH activated by the MAC CE.
The base station configures the association of the reference signal information and the power control parameters for a single frequency domain resource in the frequency domain resource group of the UE. The reference signal information is only used for reference for transmission of a single frequency-domain resource within a set of frequency-domain resources.
For example, the base station configures power control parameters for the frequency domain resource group of the UE, including an open-loop power control parameter pool, a path loss measurement parameter pool, and a closed-loop power control parameter pool. And the base station also configures a reference signal information pool and an incidence relation pool for each frequency domain resource in the frequency domain resource group of the UE. Each incidence relation comprises reference signal information, open-loop power control parameters, path loss measurement parameters and closed-loop power control parameters. That is, all frequency domain resources in the frequency domain resource group share the power control parameter pool, but each frequency domain resource independently establishes the association between the reference signal information and the power control parameter pool.
Example two
An embodiment of the present invention provides a power control apparatus, as shown in fig. 5, the apparatus includes a condition determining module 10 and an operating module 12;
the operation module 12 is configured to, when the condition determining module 10 determines that transmission of the second frequency domain resource is triggered by signaling of the first frequency domain resource, or transmission of the second frequency domain resource is indicated by signaling of the first frequency domain resource, or the second frequency domain resource is activated by signaling of the first frequency domain resource, or the first frequency domain resource is switched to the second frequency domain resource, trigger the first communication node to perform an operation of one of the following:
determining a power control parameter associated with transmission of a second frequency domain resource according to the power control parameter associated with transmission of the first frequency domain resource;
and determining a path loss parameter associated with transmission of the second frequency domain resource according to the synchronization signal block SSB.
The synchronization signal block SSB refers to a synchronization signal SS/physical broadcast channel PBCH of the first communication node receiving the master information block MIB.
Optionally, the first communication node may further perform an operation of one of:
not transmitting the transmission of the second frequency domain resource at the second frequency domain resource before the reference signal of the path loss parameter associated with the transmission of the second frequency domain resource is transmitted;
transmitting the transmission of the second frequency domain resource after the reference signal of the path loss parameter associated with the transmission of the second frequency domain resource is transmitted.
Optionally, the frequency domain resources comprise one of: fractional bandwidth and component carriers.
Optionally, the transmission of the second frequency domain resource triggered by the first frequency domain resource comprises one of:
the transmission of the first frequency domain resource comprises scheduling information of the transmission of the second frequency domain resource;
the transmission of the second frequency domain resource is in response to the transmission of the first frequency domain resource;
triggering the switching of the media access control signaling of the first frequency domain resource to the second frequency domain resource;
the media access control signaling of the first frequency domain resource triggers activation of the second frequency domain resource;
the transmission of the second frequency-domain resource is indicated by the first frequency-domain resource to include one of:
the transmission of the first frequency domain resource comprises scheduling information of the transmission of the second frequency domain resource;
the transmission of the second frequency domain resource is in response to the transmission of the first frequency domain resource;
the media access control signaling of the first frequency domain resource indicates switching to the second frequency domain resource;
the medium access control signaling of the first frequency domain resource indicates activation of the second frequency domain resource.
Optionally, the operation module 12 is specifically configured to determine, according to the power control parameter of the transmission of the first frequency domain resource, the power control parameter of the transmission of the second frequency domain resource by using at least one of the following manners:
determining a path loss measurement parameter of the power control parameter for transmission of the second frequency domain resource according to the path loss measurement parameter of the power control parameter of the first frequency domain resource;
determining an open-loop power control parameter of the transmitted power control parameter of the second frequency domain resource according to the open-loop power control parameter of the first frequency domain resource;
and determining the closed-loop power control parameter of the power control parameter transmitted by the second frequency domain resource according to the closed-loop power control parameter of the first frequency domain resource.
Optionally, the power control parameter of the first frequency domain resource includes one of:
a power control parameter corresponding to the transmission power of a Physical Uplink Shared Channel (PUSCH) transmitted by the frequency domain resource closest to the first frequency domain resource;
a power control parameter corresponding to the transmission power of the physical uplink control channel PUCCH transmitted by the first frequency domain resource closest to the frequency domain resource;
a power control parameter corresponding to the spatial relationship of the physical uplink control channel PUCCH activated by the first frequency domain resource closest to the frequency domain resource;
a power control parameter corresponding to the spatial relationship of the physical uplink control channel PUCCH with the minimum resource number activated by the first frequency domain resource;
the power control parameter with the minimum number is in the power control information of the Physical Uplink Shared Channel (PUSCH) configured by the first frequency domain resource;
uplink sounding reference Signal Resource Indication (SRI) in the power control information of the Physical Uplink Shared Channel (PUSCH) configured by the first frequency domain resource and a power control parameter in the association with the minimum association number of the power control of the Physical Uplink Shared Channel (PUSCH);
the first frequency domain resource is configured with a minimum path loss value in a synchronous signal block SSB for path loss measurement;
the first frequency domain resource is configured with a minimum path loss value in a channel state information reference signal (CSI-RS) for path loss measurement;
and the first frequency domain resource is configured with a minimum path loss value in a synchronous signal block SSB and a channel state information reference signal CSI-RS which are used for path loss measurement.
Optionally, the operation module 12 is specifically configured to determine, according to the power control parameter of the transmission of the first frequency domain resource, the power control parameter of the transmission of the second frequency domain resource by using at least one of the following manners:
determining a power control parameter of the transmission power of a Physical Uplink Shared Channel (PUSCH) of the second frequency domain resource according to the power control parameter of the transmission of the Physical Uplink Shared Channel (PUSCH) of the first frequency domain resource;
determining a power control parameter of the transmission power of the physical uplink control channel PUCCH of the second frequency domain resource according to the power control parameter of the transmission of the physical uplink control channel PUCCH of the first frequency domain resource;
determining a power control parameter of the transmission power of a Physical Uplink Shared Channel (PUSCH) of the second frequency domain resource according to the power control parameter of the transmission of the Physical Uplink Control Channel (PUCCH) of the first frequency domain resource;
and determining the power control parameter of the transmission power of the physical uplink control channel PUCCH of the second frequency domain resource according to the power control parameter of the transmission of the physical uplink shared channel PUSCH of the first frequency domain resource.
Optionally, the second frequency domain resource and the first frequency domain resource belong to the same power control packet, including:
the second frequency domain resource and the first frequency domain resource belong to the same power control group for a set type of transmission.
Wherein the power control parameter includes at least one of: open-loop power control parameters, closed-loop power control parameters and reference signal parameters for path loss measurement. Optionally, the open-loop power control parameter includes at least one of: target received power and path loss factor; the closed loop power control parameter comprises at least one of the following parameters: closed-loop power control process identification and the number of closed-loop power control processes; the reference signal parameters of the path loss measurement comprise at least one of: a reference signal resource indication for path loss measurement and a reference signal resource type indication for path loss measurement.
The embodiment of the present invention is an embodiment of an apparatus corresponding to the first embodiment, and reference may be made to the first embodiment in specific implementation, which has a corresponding technical effect.
EXAMPLE III
An embodiment of the present invention provides a receiving device, which includes a memory and a processor, where the memory stores a power control computer program, and the processor executes the computer program to implement the steps of the method according to any one of embodiment 1.
The embodiment of the invention can be referred to as the first embodiment in concrete implementation, and has corresponding technical effects.
Example four
An embodiment of the present invention provides a computer-readable storage medium storing a power control computer program;
the power control computer program is executable by at least one processor to implement the steps of the method as in any one of the embodiments.
The embodiment of the invention can be realized by referring to the corresponding embodiment and has corresponding technical effects.
For convenience of description, the embodiments of the present invention are described by using a base station and a UE (user equipment), but the present invention is not limited thereto. In the implementation process, the base station and the UE may be replaced by names of various communication nodes such as NB (NodeB), gNB, TRP (transmitter receiver point), AP (access point), station, user, STA, relay (relay), and terminal. The base station may also refer to a network side (network), UTRA, EUTRA, and the like.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention or portions thereof contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the methods according to the embodiments of the present invention.
While the present invention has been described with reference to the particular illustrative embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and equivalents thereof, which may be made by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (16)

1. A method of power control, the method comprising:
when transmission of a second frequency domain resource is triggered by signaling of a first frequency domain resource, or is indicated by signaling of the first frequency domain resource, or is activated by signaling of the first frequency domain resource, or is switched to the second frequency domain resource, the first communication node performs one of:
determining a power control parameter associated with transmission of a second frequency domain resource according to the power control parameter associated with transmission of the first frequency domain resource; the power control parameters associated with transmission of the first frequency domain resource include: the power control parameter with the minimum number is in the power control information of the Physical Uplink Shared Channel (PUSCH) configured by the first frequency domain resource; or the uplink sounding reference signal resource in the power control information of the Physical Uplink Shared Channel (PUSCH) configured by the first frequency domain resource indicates a power control parameter in the association with the minimum association number of the SRI and the PUSCH power control;
determining a transmission-associated path loss parameter of the second frequency domain resource according to the synchronization signal block SSB; the synchronization signal block SSB refers to a synchronization signal SS/physical broadcast channel PBCH of the first communication node receiving the master information block MIB.
2. The method of claim 1, wherein the first communications node further performs the operation of one of:
not transmitting the transmission of the second frequency domain resource at the second frequency domain resource before the reference signal of the path loss parameter associated with the transmission of the second frequency domain resource is transmitted;
transmitting the transmission of the second frequency domain resource after the reference signal of the path loss parameter associated with the transmission of the second frequency domain resource is transmitted;
and after the reference signal of the path loss parameter associated with the transmission of the second frequency domain resource is sent and the path loss is measured, sending the transmission of the second frequency domain resource.
3. The method of claim 1, wherein the frequency domain resources comprise one of: fractional bandwidth and component carriers.
4. The method of claim 1, wherein the transmission of the second frequency domain resource is by
The signaling trigger of the first frequency domain resource comprises one of:
the transmission of the first frequency domain resource comprises scheduling information of the transmission of the second frequency domain resource;
the transmission of the second frequency domain resource is in response to the transmission of the first frequency domain resource;
triggering the switching of the media access control signaling of the first frequency domain resource to the second frequency domain resource;
the medium access control signaling of the first frequency domain resource triggers activation of the second frequency domain resource.
5. The method of claim 1, wherein the transmission of the second frequency domain resources is indicated by the signaling of the first frequency domain resources to comprise one of:
the transmission of the first frequency domain resource comprises scheduling information of the transmission of the second frequency domain resource;
the transmission of the second frequency domain resource is in response to the transmission of the first frequency domain resource;
the medium access control signaling of the first frequency domain resource indicates switching to the second frequency domain resource;
the medium access control signaling of the first frequency domain resource indicates activation of the second frequency domain resource.
6. The method of any one of claims 1-5, wherein determining the power control parameter for the transmission of the second frequency-domain resource from the power control parameter associated with the transmission of the first frequency-domain resource comprises at least one of:
determining a path loss measurement parameter of the power control parameter for transmission of the second frequency domain resource according to a path loss measurement parameter of the power control parameter associated with transmission of the first frequency domain resource;
determining an open-loop power control parameter of the transmission of the second frequency domain resource according to the open-loop power control parameter of the power control parameter associated with the transmission of the first frequency domain resource;
and determining the closed-loop power control parameter of the transmission of the second frequency domain resource according to the closed-loop power control parameter of the power control parameter associated with the transmission of the first frequency domain resource.
7. The method of claim 6, wherein the power control parameters associated with the transmission of the first frequency-domain resource further comprise one of:
power control parameters related to a Physical Uplink Shared Channel (PUSCH) sent by the latest first frequency domain resource;
power control parameters related to a Physical Uplink Control Channel (PUCCH) sent by the latest first frequency domain resource;
a power control parameter corresponding to a spatial relationship of a Physical Uplink Control Channel (PUCCH) activated by the latest first frequency domain resource;
a power control parameter corresponding to the spatial relationship of the physical uplink control channel PUCCH with the minimum resource number activated by the first frequency domain resource;
the first frequency domain resource is configured with a minimum path loss value in a synchronous signal SS/physical broadcast channel PBCH for path loss measurement;
the first frequency domain resource is configured with a minimum path loss value in a channel state information reference signal (CSI-RS) used for path loss measurement;
and the first frequency domain resource is configured with a minimum path loss value in a synchronous signal block SSB and a channel state information reference signal CSI-RS which are used for path loss measurement.
8. The method of claim 6, wherein the power control parameters associated with the transmission of the first frequency domain resources comprise one of:
reference signal resource information associated with a Physical Downlink Control Channel (PDCCH) of the first frequency domain resource containing a scheduling signaling for transmission of the second frequency domain resource;
reference signal resource information associated with a Physical Downlink Control Channel (PDCCH) of the first frequency domain resource, which contains signaling for activating the second frequency domain resource;
reference signal resource information associated with media access control signaling of the first frequency domain resource containing signaling activating the second frequency domain resource.
9. The method of any one of claims 1-5, wherein determining the power control parameter for the transmission of the second frequency-domain resource as a function of the power control parameter for the transmission of the first frequency-domain resource comprises at least one of:
determining a power control parameter of the transmission power of a Physical Uplink Shared Channel (PUSCH) of the second frequency domain resource according to the power control parameter of the transmission of the Physical Uplink Shared Channel (PUSCH) of the first frequency domain resource;
determining a power control parameter of the transmission power of the physical uplink control channel PUCCH of the second frequency domain resource according to the power control parameter of the transmission of the physical uplink control channel PUCCH of the first frequency domain resource;
determining a power control parameter of the transmission power of a Physical Uplink Shared Channel (PUSCH) of the second frequency domain resource according to the power control parameter of the transmission of the Physical Uplink Control Channel (PUCCH) of the first frequency domain resource;
and determining the power control parameter of the transmission power of the physical uplink control channel PUCCH of the second frequency domain resource according to the power control parameter of the transmission of the physical uplink shared channel PUSCH of the first frequency domain resource.
10. The method of any one of claims 1-5, wherein the second frequency-domain resource belongs to a same power control packet as the first frequency-domain resource.
11. The method of any one of claims 1-5, wherein determining the power control parameter for the transmission of the second frequency-domain resource from the power control parameter for the transmission of the first frequency-domain resource comprises at least one of:
determining power control information of the second frequency domain resource according to the power control information of the first frequency domain resource which is closest to the frequency domain of the second frequency domain resource;
determining power control information of the second frequency domain resource according to the power control information of the first frequency domain resource which is associated with the same frequency domain resource group with the second frequency domain resource;
determining power control information of a second frequency domain resource according to the power control information of a first frequency domain resource which is numbered closest to the second frequency domain resource in a plurality of first frequency domain resources which are associated with the same frequency domain resource group with the second frequency domain resource;
and determining the power control information of the second frequency domain resource according to the power control information of the first frequency domain resource, which is closest to the second frequency domain resource in frequency domain, in the plurality of first frequency domain resources associated with the same frequency domain resource group with the second frequency domain resource.
12. The method of any one of claims 1-5, wherein the power control parameters comprise at least one of: open-loop power control parameters, closed-loop power control parameters, and path loss measurement parameters.
13. The method of claim 12, wherein the open-loop power control parameters comprise at least one of: target received power, path loss factor;
the closed-loop power control parameter comprises at least one of the following parameters: a closed loop power control process identifier and the number of closed loop power control processes;
the path loss measurement parameter comprises at least one of: the indication of the reference signal resource used for the path loss measurement and the indication of the type of the reference signal resource used for the path loss measurement.
14. A power control device is characterized by comprising a condition judgment module and an operation module;
the operating module is configured to, when the condition determining module determines that transmission of a second frequency domain resource is triggered by signaling of a first frequency domain resource, or that transmission of the second frequency domain resource is indicated by signaling of the first frequency domain resource, or that the second frequency domain resource is activated by signaling of the first frequency domain resource, or that the first frequency domain resource is switched to the second frequency domain resource, trigger the first communication node to perform an operation of one of:
determining a power control parameter associated with transmission of a second frequency domain resource according to the power control parameter associated with transmission of the first frequency domain resource; the power control parameter associated with transmission of the first frequency domain resource includes: the power control parameter with the minimum number is in the power control information of the Physical Uplink Shared Channel (PUSCH) configured by the first frequency domain resource; or the uplink sounding reference signal resource in the power control information of the Physical Uplink Shared Channel (PUSCH) configured by the first frequency domain resource indicates a power control parameter in the association with the minimum association number of the SRI and the PUSCH power control;
determining a transmission-associated path loss parameter of the second frequency domain resource according to the synchronization signal block SSB; the synchronization signal block SSB refers to a synchronization signal SS/physical broadcast channel PBCH of the first communication node receiving the master information block MIB.
15. A receiving device, characterized in that the device comprises a memory, in which a power controlling computer program is stored, and a processor, which executes the computer program to implement the steps of the method according to any of claims 1-13.
16. A computer-readable storage medium, wherein the storage medium stores a power control computer program; the power control computer program is executable by at least one processor to implement the steps of the method of any one of claims 1-13.
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