CN115696534A - Information indication method, device, related equipment and storage medium - Google Patents

Information indication method, device, related equipment and storage medium Download PDF

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Publication number
CN115696534A
CN115696534A CN202110852793.XA CN202110852793A CN115696534A CN 115696534 A CN115696534 A CN 115696534A CN 202110852793 A CN202110852793 A CN 202110852793A CN 115696534 A CN115696534 A CN 115696534A
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tpc command
puschs
information
dci
pusch
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Inventor
曹昱华
郑毅
左君
李岩
王飞
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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Abstract

The application discloses an information indication method, an information indication device, a terminal, network equipment and a storage medium. The method comprises the following steps: a terminal receives first Downlink Control Information (DCI) sent by a network side, wherein the first DCI carries a first transmission power control command (TPC command); and determining a TPC command value of each Physical Uplink Shared Channel (PUSCH) in at least two PUSCHs by utilizing the first TPC command.

Description

Information indication method, device, related equipment and storage medium
Technical Field
The present application relates to the field of wireless communications, and in particular, to an information indication method, an information indication apparatus, a related device, and a storage medium.
Background
In order to improve Multi-transmit and receive point (Multi-TRP) scenario Physical Uplink Shared Channel (PUSCH) reliability, PUSCH repetition (retransmission) transmission may be introduced. On the other hand, one way of operating in a Multi-TRP scenario is to transmit a Physical Downlink Control Channel (PDCCH) by only 1 Transmit and Receive Point (TRP) for scheduling the terminal to transmit a Physical Uplink Shared Channel (PUSCH). In this operation mode, considering that the channels of the plurality of TRPs are completely different, the powers of the PUSCHs determined based on the channels of the plurality of TRPs are also different, and therefore how to instruct the closed-loop power control commands of the plurality of PUSCHs is a problem to be solved urgently at present.
Disclosure of Invention
In order to solve the related technical problem, embodiments of the present application provide an information indication method, an information indication apparatus, related devices, and a storage medium.
The technical scheme of the embodiment of the application is realized as follows:
the embodiment of the application provides an information indication method, which is applied to a terminal and comprises the following steps:
receiving first Downlink Control Information (DCI) sent by a network side, wherein the first DCI carries a first transmission power control command (TPC command);
and determining a TPC command value of each PUSCH in at least two PUSCHs by utilizing the first TPC command.
In the above scheme, the TPC command value applied to each PUSCH is the same.
In the above solution, the first TPC command includes at least two bits;
each bit of the first TPC command indicates a TPC command value of one PUSCH of the at least two PUSCHs;
or,
at least two bits of the first TPC command jointly indicate a TPC command value of each of the at least two PUSCHs.
In the above scheme, the method further comprises:
receiving first information; the first information indicates at least two candidate TPC command values;
and determining a TPC command value of each PUSCH in at least two PUSCHs by using the first information and the first TPC command.
In the above scheme, the first information is received by one of the following methods:
radio Resource Control (RRC) signaling;
a medium access control element (MAC CE);
DCI。
in the foregoing solution, for a first PUSCH in the at least two PUSCHs, if a power control adjustment state index corresponding to a TPC command under a first condition is the same as that corresponding to a TPC command under a second condition, the TPC command under the first condition is the same as that applied to a power control closed loop under the second condition; the first condition characterizes that the at least two PUSCHs are both scheduled; the second condition characterizes only a first PUSCH of the at least two PUSCHs being scheduled.
In the above scheme, the method further comprises:
and determining the transmission power of each PUSCH according to the TPC command value of each PUSCH.
In the above scheme, the method further comprises:
and receiving second information sent by the network side, wherein the second information indicates whether the at least two PUSCHs are scheduled or not.
In the foregoing solution, the receiving the second information sent by the network side includes:
and receiving second DCI sent by the network side, wherein the second DCI carries the second information.
The embodiment of the present application further provides an information indicating method, which is applied to a network device, and includes:
sending a first DCI to a terminal, wherein the first DCI carries a first TPC command; the first TPC command is used for determining a TPC command value of each of at least two PUSCHs.
In the above scheme, the TPC command value applied to each PUSCH is the same.
In the above scheme, the first TPC command includes at least two bits;
each bit of the first TPC command indicates a TPC command value of one PUSCH of the at least two PUSCHs;
or,
at least two bits of the first TPC command jointly indicate a TPC command value of each of the at least two PUSCHs.
In the foregoing solution, the method further includes:
transmitting first information to the terminal, the first information indicating at least two candidate TPC command values.
In the above solution, the first information is sent to the terminal in one of the following manners:
RRC signaling;
MAC CE;
DCI。
in the foregoing solution, for a first PUSCH in the at least two PUSCHs, if a power control adjustment state index corresponding to a TPC command under a first condition is the same as that corresponding to a TPC command under a second condition, the TPC command under the first condition is the same as that applied to a power control closed loop under the second condition; the first condition characterizes that the at least two PUSCHs are both scheduled; the second condition characterizes only a first PUSCH of the at least two PUSCHs being scheduled.
In the foregoing solution, the method further includes:
transmitting second information to the terminal, the second information indicating whether the at least two PUSCHs are both scheduled.
In the foregoing solution, the sending the second information to the terminal includes:
and sending a second DCI to the terminal, wherein the second DCI carries the second information.
An embodiment of the present application further provides an information indicating apparatus, including:
a receiving unit, configured to receive a first DCI sent by a network side, where the first DCI carries a first TPC command;
a first determining unit, configured to determine a TPC command value of each of at least two PUSCHs using the first TPC command.
An embodiment of the present application further provides an information indicating apparatus, including:
a sending unit, configured to send a first DCI to a terminal, where the first DCI carries a first TPC command; the first TPC command is used for determining a TPC command value of each of at least two PUSCHs.
An embodiment of the present application further provides a terminal, including:
the first communication interface is used for receiving first DCI sent by a network side, and the first DCI carries a first TPC command;
a first processor, configured to determine a TPC command value for each of at least two PUSCHs using the first TPC command.
An embodiment of the present application further provides a network device, including: a second communication interface and a second processor; wherein,
the second communication interface is used for sending first DCI to a terminal, and the first DCI carries a first TPC command; the first TPC command is used for determining a TPC command value of each PUSCH of at least two PUSCHs.
An embodiment of the present application further provides a terminal, including: a first processor and a first memory for storing a computer program capable of running on the processor,
wherein the first processor is configured to execute the steps of any one of the above methods at the terminal side when running the computer program.
An embodiment of the present application further provides a network device, including: a second processor and a second memory for storing a computer program capable of running on the processor,
the second processor is configured to execute the steps of any one of the methods of the network device side when running the computer program.
The embodiment of the present application further provides a storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of any method on the terminal side, or implements the steps of any method on the network device side.
According to the information indication method, the information indication device, the related equipment and the storage medium, network equipment sends first DCI to a terminal, wherein the first DCI carries a first TPC command; the first TPC is used for determining a TPC command value of each PUSCH in at least two PUSCHs; and the terminal determines a TPC command value of each PUSCH in at least two PUSCHs by utilizing the first TPC command. According to the scheme provided by the embodiment of the application, the network side sends the DCI carrying one TPC command to the terminal, so that the terminal is indicated to determine the TPC command value of each PUSCH in a plurality of PUSCHs by using the TPC command, and therefore closed-loop power control indication of the PUSCHs of a plurality of TRPs is realized under the condition that DCI payload is not increased.
Drawings
FIG. 1 is a diagram illustrating a codebook-based uplink transmission process;
FIG. 2 is a schematic diagram of a non-codebook based uplink transmission flow;
fig. 3 is a schematic diagram of an operation mode of sending a PDCCH only by 1 TRP in a Multi-TRP communication scenario;
fig. 4 is a schematic flowchart of an information indicating method according to an embodiment of the present application;
FIG. 5 is a flowchart illustrating another information indication method according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of an information indicating apparatus according to an embodiment of the present disclosure;
FIG. 7 is a schematic structural diagram of another information indicating apparatus according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a terminal according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of a network device according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of an information indicating system according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples.
The general calculation formula of the uplink transmission power P is as follows:
Figure BDA0003183074620000051
the closed loop part f (i) is a power control offset state value (english can be expressed as power control adjustment state) at the ith time, the closed loop part f (i) can quickly adjust the power of a certain transmission of a certain terminal according to the effect of the last transmission, the adjusted information is called TPC Command, and is specifically expressed as δ (i) through DCI quick adjustment. If Radio Resource Control (RRC) parameter tpc-allocation is in a non-enabled state, opening absolute value closed-loop power control, wherein f (i) = delta (i); if the RRC parameter tpc-allocation is in the enabled state, the cumulative closed loop power control is turned on, where f (i) = f (i-1) + δ (i). Here, the TPC Command field mapping table is as follows:
■TPC Command Field Accumulated δ PUSCHb,f,c or δ SRS,b,f,c [dB] Absolute δ PUSCH,b,f,c or δ SRS,b,f,c [dB]
■0 -1 -4
■1 0 -1
■2 1 1
■3 3 4
TABLE 1
On the other hand, the transmission mode of the PUSCH may include a codebook-based (english may be expressed as codebook) transmission mode and a non-codebook-based transmission mode. In particular, the amount of the solvent to be used,
when the PUSCH is configured in the codebook-based transmission mode, as shown in fig. 1, first, the terminal needs to transmit a channel Sounding Reference Signal (SRS) for codebook-based uplink transmission, that is, a usage (english expression is used) parameter in SRS setting (english may be expressed as SRS set) is configured as codebook. For the codebook-based uplink transmission scheme, in a new air interface (NR) system, the base station is allowed to configure at most one SRS set for the terminal for uplink channel estimation, and the SRS set can configure at most two SRS resources (which may be expressed as SRS resources in english). Next, the base station performs uplink channel detection based on the SRS transmitted from the terminal, determines an SRS Resource Indication (SRI), an uplink transmission layer number (RI), a Transmission Precoding Matrix Indication (TPMI), a Modulation and Coding Scheme (MCS), and the like corresponding to the uplink transmission, and notifies the information to the terminal in the DCI. Then, the terminal determines information such as precoding of the PUSCH according to the information such as the instructed RI, TPMI, MCS, etc., determines that the beam direction of the PUSCH is consistent with the beam direction of the SRS according to the instructed SRI, and the SRS corresponding to the SRI is the SRS which is transmitted most recently before the DCI scheduling the PUSCH.
Here, table 2 exemplarily shows SRI indications based on codebook transmission.
Figure BDA0003183074620000071
TABLE 2
When the PUSCH is configured in the non-codebook based transmission mode, as shown in fig. 2, the terminal first needs to transmit an SRS for uplink transmission based on the non-codebook, that is, the usage in the SRS set is configured as non-codebook. For a non-codebook uplink transmission scheme, a base station can configure at most 1 SRS set for a terminal, the SRS set comprises 1-4 SRS resources, each SRS resource is a single port, the terminal determines the precoding of an SRS based on downlink channel estimation, and sends the precoded SRS. The base station performs uplink channel detection according to the SRS sent by the terminal, determines the SRI, MCS and the like corresponding to uplink transmission, and indicates the SRI in the DCI, wherein the SRI can indicate 1 or more SRS resources. The number of SRS resources indicated in the SRI is RI for PUSCH transmission, precoding adopted by the SRS resources indicated in the SRI is TPMI for PUSCH transmission, and the transmission layers of the PUSCH correspond to the SRS resources indicated by the SRI one to one. Here, table 3 exemplarily shows SRI indications based on non-codebook transmission.
Figure BDA0003183074620000072
TABLE 3
As can be seen from the above description, the non-codebook based uplink transmission scheme is mainly different from the codebook based uplink transmission scheme in that the corresponding precoding is no longer limited to a limited candidate set based on a fixed codebook. And the terminal can determine the number of transmission layers and precoding of data using the SRI.
In the related art, as shown in fig. 3, in a Multi-TRP communication scenario, one way to operate is to transmit a PDCCH only by 1 TRP to schedule a terminal to transmit a PUSCH, that is, a transmission power control command (TPC command) value of the PUSCH from 2 TRPs respectively needs to be indicated to the terminal by 1 DCI. However, since the channels of 2 TRPs are completely different, and the powers of the PUSCHs determined based on the channels of 2 TRPs are also different, how to indicate the TPC command values from multiple PUSCHs to the terminal by using 1 DCI is a problem to be solved at present.
Based on this, in various embodiments of the present application, a network side sends DCI carrying one TPC command to a terminal, so as to instruct the terminal to determine a TPC command value of each PUSCH in multiple PUSCHs by using the one TPC command, that is, in a DCI format (format) framework of the related art, a closed-loop power control indication of a PUSCH of multiple TRPs can be instructed without increasing a DCI payload (payload).
An embodiment of the present application provides an information indication method, which is applied to a terminal, and as shown in fig. 4, the method includes:
step 401: receiving first DCI sent by a network side, wherein the first DCI carries a first TPC command;
step 402: and determining a TPC command value of each PUSCH in at least two PUSCHs by utilizing the first TPC command.
In practical application, the terminal may also be referred to as User Equipment (UE), user, or the like.
The DCI is carried in the PDCCH.
The first TPC Command is set in a TPC Command field (field) of the first DCI.
In order to improve the reliability of PUSCH transmission in a Multi-TRP scene, when PUSCH retransmission transmission is adopted, the data carried by the at least two PUSCHs are the same. Of course, the data carried in a part of the PUSCH in the at least two PUSCHs may also be the same.
In actual application, the data carried by the at least two PUSCHs may also be different, for example, partial data is carried, and the network side may combine the data carried by the at least two PUSCHs to obtain complete data.
Here, in the related art, the TPC Command field in the DCI has only 2 bits (bit), and therefore, there is no effective solution for how to flexibly and effectively indicate closed-loop power control commands of multiple PUSCHs on the limited bit.
Based on this, the embodiments of the present application provide the following several implementations:
in the first mode, the TPC commands received by the multiple PUSCHs are kept consistent, that is, δ (i) indicated by the TPC Command Field acts on the multiple PUSCHs at the same time, that is, the TPC Command values applied to each PUSCH are the same, the TPC Command values of the multiple PUSCHs can be indicated only by DCI, and the implementation is simple.
For example, assuming that there are 2 PUSCHs, taking the cumulative closed loop power as an example, in combination with the related art, the cumulative δ (i) of each PUSCH has { -1,0,1,3} four candidate values, so that 2 bits in the TPC Command Field can indicate 4 δ (i) and act on 2 PUSCHs simultaneously, and the TPC Command mapping table can be as shown in table 4, which is not limited in this embodiment of the present application.
TPC Command Field Accumulated δ(i)
0 -1
1 0
2 1
3 3
TABLE 4
In a second manner, each bit in the TPC Command Field independently indicates δ (i) of multiple PUSCHs, that is, each bit of the first TPC Command indicates a TPC Command value of one of the at least two PUSCHs, so that flexible indication of the TPC Command values can be achieved.
In practical applications, in order to realize that each bit in the TPC Command Field independently indicates δ (i) of a plurality of PUSCHs, it is necessary for the terminal to know the candidate δ (i) in advance.
Wherein, the candidate TPC Command value can be configured for the terminal through the network side.
Based on this, in an embodiment, the method may further include:
receiving first information; the first information indicates at least two candidate TPC command values;
and determining a TPC command value of each PUSCH in at least two PUSCHs by using the first information and the first TPC command.
Here, in actual application, the candidate TPC Command value may be indicated by RRC configuration, or MAC CE activation, or DCI.
Based on this, in one embodiment, the first information is received by one of the following methods:
RRC signaling;
MAC CE;
DCI。
in practical application, if the candidate TPC Command value dynamically selected by the network side is not received, the terminal may set a plurality of default TPC Command values.
Exemplarily, assuming that there are 2 PUSCHs, taking the cumulative closed loop power control as an example, in combination with the related art, each PUSCH has four candidate values of { -1,0,1,3}, and each cumulative δ (i) has four candidate values of { -1,0,1,3}, and two candidate TPC Command values selected by the terminal are referred to as a first TPC Command value (abbreviated as 1th δ (i)) and a second TPC Command value (abbreviated as 2th δ (i)), 2 bits in the TPC Command Field independently indicate δ (i) of 2 PUSCHs, codepoint =0 indicates a first selected δ (i), codepoint =1 indicates a second selected δ (i), and table 5 below shows a TPC Command mapping relationship of a certain PUSCH, 1th δ (i) indicates that the received PUSCH TPC Command value is a first selected δ (i), and 2th δ (i) indicates that the received PUSCH Command value is a second selected δ (i).
TPC Command Field Accumulatedδ(i)
0 1th δ(i)
1 2th δ(i)
TABLE 5
In a third mode, the plurality of bits in the TPC Command Field jointly indicate δ (i) of the plurality of PUSCHs, that is, at least two bits of the first TPC Command jointly indicate a TPC Command value of each of the at least two PUSCHs, so that flexible indication of the TPC Command values can be achieved, and the joint indication mode can indicate the TPC Command values of the plurality of PUSCHs on the basis of bit saving.
Here, in practical application, in order to realize that a plurality of bits in the TPC Command Field jointly indicate δ (i) of a plurality of PUSCHs, it is necessary for the terminal to know the candidate δ (i) in advance.
Wherein, the candidate TPC Command value can be configured for the terminal through the network side.
Based on this, in an embodiment, the method may further include:
receiving first information; the first information indicates at least two candidate TPC command values;
and determining a TPC command value of each PUSCH in at least two PUSCHs by using the first information and the first TPC command.
Here, in actual application, the candidate TPC Command value may be indicated by RRC configuration, or MAC CE activation, or DCI.
Based on this, in one embodiment, the first information is received by one of the following methods:
RRC signaling;
MAC CE;
DCI。
in practical application, if the candidate TPC Command value dynamically selected by the network side is not received, the terminal may set a plurality of default TPC Command values.
Exemplarily, assuming that there are 2 PUSCHs, taking the cumulative closed-loop power as an example, in combination with the related art, the cumulative δ (i) of each PUSCH has four candidate values { -1,0,1,3}, and two candidate TPC Command values selected by the terminal are referred to as a first TPC Command value (abbreviated as 1th δ (i)) and a second TPC Command value (abbreviated as 2th δ (i)), where 2 bits in the TPC Command Field jointly indicate δ (i) of the 2 PUSCHs, codepoint =0 indicates one group δ (i), codepoint =1 indicates a second group δ (i), and so on, table 6 below shows some TPC mapping relationships of the 2 PUSCHs.
Figure BDA0003183074620000111
Figure BDA0003183074620000121
TABLE 6
It should be noted that the scheme of the absolute value closed loop power control can be understood by referring to the accumulative closed loop function control, and is not described herein again.
As can be seen from the above description, in the three manners, the TPC closed loop power control adjustment scheme in the DCI format framework of the related art indicates closed loop power control indications of PUSCHs of multiple TRPs while maintaining certain power control flexibility without increasing DCI payload.
In both the second and third manners, δ (i) of multiple PUSCHs is directly indicated to the terminal through a TPC Command Field in DCI.
After determining the TPC command value of each PUSCH of the at least two PUSCHs, the terminal may determine the transmission power of each PUSCH according to the TPC command value of each PUSCH. Specifically, the transmission power (may also be referred to as transmission power) of each PUSCH may be determined according to the above-described general calculation formula of the transmission power P.
In practical application, in a Multi-TRP communication scenario, it may be dynamically indicated whether the terminal employs Multi-TRP PUSCH transmission or Single-TRP (Single-TRP) PUSCH transmission.
Based on this, in an embodiment, the method may further include:
and receiving second information sent by the network side, wherein the second information indicates whether the at least two PUSCHs are scheduled or not.
Here, in practical applications, the network device may determine to use Multi-TRP PUSCH transmission (i.e., transmit at least two PUSCHs) or Single-TRP PUSCH transmission as needed, and then may dynamically indicate, through DCI, that the terminal uses Multi-TRP PUSCH transmission or Single-TRP PUSCH transmission.
Based on this, in an embodiment, the receiving the second information sent by the network side includes:
and receiving second DCI sent by the network side, wherein the second DCI carries the second information.
Wherein, in actual application, the first TPC command and the second information may be carried in one DCI, in which case, the second DCI is the same as the first DCI; of course, the first TPC command and the second information may not be carried in one DCI, in which case the second DCI is different from the first DCI.
For example, the second information may be set in an SRI field or a TPMI field in the DCI, and specifically, may be set in a reserved bit of the SRI field or the TPMI field in the DCI, for example, when the set value is 0 or null, the terminal is instructed to use Single-TRP PUSCH transmission, and otherwise, the terminal is instructed to use Multi-TRP PUSCH transmission.
In practical application, when the terminal is instructed to use Single-TRP PUSCH transmission, the TPC Command mapping relationship table in the related art may be used, that is, the TPC Command mapping relationship shown in table 1 may be used.
In order to reduce the processing complexity of the terminal, specifically the complexity of power adjustment processing, for Multi-TRP transmission and Single-TRP transmission, a TPC command value indicated to one TRP in DCI under the Multi-TRP condition should belong to the same set of power control closed loop (which may be expressed as powerControlLoop in english).
Based on this, in an embodiment, for a first PUSCH in the at least two PUSCHs, if a TPC command under a first condition is the same as a power control adjustment state index (english may be expressed as (power control adjustment state)) corresponding to the TPC command under a second condition, the TPC command under the first condition is the same as a power control closed loop applied to the TPC command under the second condition, the first condition indicates that the at least two PUSCHs are both scheduled, and the second condition indicates that only the first PUSCH in the at least two PUSCHs is scheduled.
Correspondingly, an embodiment of the present application further provides an information indication method, which is applied to a network device (specifically, a base station), and includes:
sending a first DCI to a terminal, wherein the first DCI carries a first TPC command; the first TPC command is used for determining a TPC command value of each PUSCH of at least two PUSCHs.
In an embodiment, the method may further include:
and sending first information to the terminal, wherein the first information indicates at least two candidate TPC command values.
Here, in an embodiment, the first information is sent to the terminal by one of the following methods:
RRC signaling;
MAC CE;
DCI。
in an embodiment, the method may further comprise:
transmitting second information to the terminal, the second information indicating whether the at least two PUSCHs are both scheduled.
In an embodiment, the sending the second information to the terminal includes:
and sending second DCI to the terminal, wherein the second DCI carries the second information.
An embodiment of the present application further provides an information indicating method, as shown in fig. 5, the method includes the following steps:
step 501: the network equipment sends first DCI to a terminal, wherein the first DCI carries a first TPC command; the first TPCcommandis used for determining a TPC command value of each PUSCH in at least two PUSCHs;
step 502: and after receiving the first DCI, the terminal determines a TPC command value of each PUSCH in at least two PUSCHs by using the first TPC command.
In the information indication method provided by the embodiment of the application, network equipment sends first DCI to a terminal, wherein the first DCI carries a first TPC command; the first TPC is used for determining a TPC command value of each PUSCH in at least two PUSCHs; and the terminal determines the TPC command value of each PUSCH in at least two PUSCHs by utilizing the first TPC command. According to the scheme provided by the embodiment of the application, the network side sends the DCI carrying one TPC command to the terminal, so that the terminal is indicated to determine the TPC command value of each PUSCH in a plurality of PUSCHs by using the TPC command, and therefore closed-loop power control indication of the PUSCHs of a plurality of TRPs is realized under the condition that DCI payload is not increased.
In order to implement the method of the embodiment of the present application, an embodiment of the present application further provides an information indicating apparatus, which is disposed on a terminal, and as shown in fig. 6, the apparatus includes:
a receiving unit 601, configured to receive a first DCI sent by a network side, where the first DCI carries a first TPC command;
a first determining unit 602, configured to determine a TPC command value of each of at least two PUSCHs by using the first TPC command.
Wherein, in an embodiment, the first TPC command includes at least two bits;
each bit of the first TPC command indicates a TPC command value of one PUSCH of the at least two PUSCHs;
or,
at least two bits of the first TPC command jointly indicate a TPC command value of each of the at least two PUSCHs.
Here, in an embodiment, the receiving unit 601 is further configured to receive first information; the first information indicates at least two candidate TPC command values;
the first determining unit 602 is configured to determine a TPC command value of each PUSCH in at least two PUSCHs by using the first information and the first TPC command.
In an embodiment, the receiving unit 601 is configured to receive the first information by one of the following methods:
RRC signaling;
MAC CE;
DCI。
in an embodiment, the first determining unit 602 is further configured to determine the transmission power of each PUSCH according to the TPC command value of each PUSCH.
In an embodiment, the receiving unit 601 is further configured to receive second information sent by the network side, where the second information indicates whether the at least two PUSCHs are both scheduled.
In an embodiment, the receiving unit 601 is configured to receive a second DCI sent by the network side, where the second DCI carries the second information.
In practical application, the receiving unit 601 may be implemented by a communication interface in an information indicating apparatus; the first determining unit 602 may be implemented by a processor in the information indicating apparatus.
In order to implement the method at the network device side in the embodiment of the present application, an embodiment of the present application further provides an information indicating apparatus, which is disposed on a network device, and as shown in fig. 7, the apparatus includes:
a sending unit 701, configured to send a first DCI to a terminal, where the first DCI carries a first TPC command; the first TPC command is used for determining a TPC command value of each of at least two PUSCHs.
Wherein, in an embodiment, the first TPC command includes at least two bits;
each bit of the first TPC command indicates a TPC command value of one PUSCH of the at least two PUSCHs;
or,
at least two bits of the first TPC command jointly indicate a TPC command value of each of the at least two PUSCHs.
Here, in an embodiment, the sending unit 701 is further configured to send first information to the terminal, where the first information indicates at least two candidate TPC command values.
In an embodiment, the sending unit 701 is configured to send the first information to the terminal by one of the following manners:
RRC signaling;
MAC CE;
DCI。
in one embodiment, as shown in fig. 7, the apparatus may further include:
a second determining unit 702, configured to determine whether the at least two PUSCHs are both scheduled;
the sending unit 701 is configured to send second information to the terminal, where the second information indicates whether the at least two PUSCHs are both scheduled.
In an embodiment, the sending unit 701 is configured to send a second DCI to the terminal, where the second DCI carries the second information.
In actual application, the sending unit 701 may be implemented by a communication interface in an information indicating apparatus; the second determination unit 702 may be implemented by a processor in the information indication apparatus.
It should be noted that: in the information indicating apparatus provided in the above embodiment, when performing information indication, only the division of each program module is illustrated, and in practical applications, the above processing may be distributed to different program modules according to needs, that is, the internal structure of the apparatus may be divided into different program modules to complete all or part of the above-described processing. In addition, the information indicating apparatus and the information indicating method provided by the above embodiments belong to the same concept, and specific implementation processes thereof are detailed in the method embodiments and are not described herein again.
Based on the hardware implementation of the program module, and in order to implement the method on the terminal side in the embodiment of the present application, an embodiment of the present application further provides a terminal, as shown in fig. 8, where the terminal 800 includes:
a first communication interface 801, which can perform information interaction with a network device;
a first processor 802 connected to the first communication interface 801 to perform information interaction with a network device, and configured to execute a method provided by one or more technical solutions of the terminal side when running a computer program;
a first memory 803, said computer program being stored on the first memory 803.
Specifically, the first communication interface 801 is configured to receive a first DCI sent by a network side, where the first DCI carries a first TPC command;
the first processor 802 is configured to determine a TPC command value of each of at least two PUSCHs by using the first TPC command.
Wherein, in an embodiment, the first TPC command includes at least two bits;
each bit of the first TPC command indicates a TPC command value of one PUSCH of the at least two PUSCHs;
or,
at least two bits of the first TPC command jointly indicate a TPC command value of each of the at least two PUSCHs.
Here, in an embodiment, the first communication interface 801 is further configured to receive first information; the first information indicates at least two candidate TPC command values;
the first processor 802 is configured to determine a TPC command value for each of at least two PUSCHs by using the first information and the first TPC command.
In one embodiment, the first communication interface 801 is configured to receive the first information by one of:
RRC signaling;
MAC CE;
DCI。
in an embodiment, the first processor 802 is further configured to determine the transmit power of each PUSCH according to the TPC command value of each PUSCH.
In an embodiment, the first communication interface 801 is further configured to receive second information sent by the network side, where the second information indicates whether the at least two PUSCHs are both scheduled.
In an embodiment, the first communication interface 801 is configured to receive a second DCI sent by the network side, where the second DCI carries the second information.
It should be noted that: the specific processing of the first processor 802 and the first communication interface 801 can be understood by referring to the above-mentioned methods.
Of course, in practice, the various components in the terminal 800 are coupled together by a bus system 804. It is understood that the bus system 804 is used to enable communications among the components. The bus system 804 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 804 in FIG. 8.
The first memory 803 in the embodiment of the present application is used to store various types of data to support the operation of the terminal 800. Examples of such data include: any computer program for operating on terminal 800.
The method disclosed in the embodiments of the present application may be applied to the first processor 802, or implemented by the first processor 802. The first processor 802 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by integrated logic circuits of hardware or instructions in the form of software in the first processor 802. The first Processor 802 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. The first processor 802 may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the first memory 803, and the first processor 802 reads the information in the first memory 803, and completes the steps of the foregoing method in combination with its hardware.
In an exemplary embodiment, the terminal 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, programmable Logic Devices (PLDs), complex Programmable Logic Devices (CPLDs), field-Programmable Gate arrays (FPGAs), general purpose processors, controllers, micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the aforementioned methods.
Based on the hardware implementation of the program module, and in order to implement the method on the network device side in the embodiment of the present application, an embodiment of the present application further provides a network device, and as shown in fig. 9, the network device 900 includes:
a second communication interface 901 capable of performing information interaction with a terminal;
a second processor 902, connected to the second communication interface 901, for implementing information interaction with a terminal, and implementing a method provided by one or more technical solutions on the network device side when running a computer program;
a second memory 903, the computer program being stored on the second memory 903.
Specifically, the second communication interface 901 is configured to send a first DCI to a terminal, where the first DCI carries a first TPC command; the first TPC command is used for determining a TPC command value of each PUSCH of at least two PUSCHs.
Wherein, in an embodiment, the first TPC command includes at least two bits;
each bit of the first TPC command indicates a TPC command value of one PUSCH of the at least two PUSCHs;
or,
at least two bits of the first TPC command jointly indicate a TPC command value of each of the at least two PUSCHs.
Here, in an embodiment, the second communication interface 901 is further configured to send first information to the terminal, where the first information indicates at least two candidate TPC command values.
In an embodiment, the second communication interface 901 is configured to send the first information to the terminal by one of the following ways:
RRC signaling;
MAC CE;
DCI。
in an embodiment, the second processor 902 is configured to determine whether the at least two PUSCHs are both scheduled;
the second communication interface 901 is configured to send second information to the terminal, where the second information indicates whether the at least two PUSCHs are both scheduled.
In an embodiment, the second communication interface 901 is configured to send a second DCI to the terminal, where the second DCI carries the second information.
It should be noted that: the specific processing procedures of the second processor 902 and the second communication interface 901 can be understood by referring to the above method.
Of course, in actual practice, the various components in network device 900 are coupled together by bus system 904. It is understood that the bus system 904 is used to enable connected communication between these components. The bus system 904 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for the sake of clarity the various busses are labeled in figure 9 as the bus system 904.
The second memory 903 in the embodiment of the present application is used to store various types of data to support the operation of the network device 900. Examples of such data include: any computer program for operating on network device 900.
The method disclosed in the embodiment of the present application may be applied to the second processor 902, or implemented by the second processor 902. The second processor 902 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by an integrated logic circuit of hardware or an instruction in the form of software in the second processor 902. The second processor 902 described above may be a general purpose processor, a DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The second processor 902 may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in the second memory 903, and the second processor 902 reads the information in the second memory 903 and completes the foregoing steps of the method in combination with its hardware.
In an exemplary embodiment, network device 900 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general-purpose processors, controllers, MCUs, microprocessors, or other electronic components for performing the foregoing methods.
It is understood that the memories (the first memory 803 and the second memory 903) of the embodiments of the present application may be volatile memories or nonvolatile memories, and may also include both volatile and nonvolatile memories. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a magnetic random access Memory (Flash Memory), a magnetic surface Memory, an optical Disc, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), synchronous Static Random Access Memory (SSRAM), dynamic Random Access Memory (DRAM), synchronous Dynamic Random Access Memory (SDRAM), double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (ESDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), synchronous Dynamic Random Access Memory (SLDRAM), direct Memory (DRmb Access), and Random Access Memory (DRAM). The memories described in the embodiments of the present application are intended to comprise, without being limited to, these and any other suitable types of memory.
In order to implement the method provided in the embodiment of the present application, an embodiment of the present application further provides an information indicating system, as shown in fig. 10, where the system includes: network device 1001 and terminal 1002.
Here, it should be noted that: the specific processing procedures of the network device 1001 and the terminal 1002 have been described in detail above, and are not described herein again.
In an exemplary embodiment, the present application further provides a storage medium, specifically a computer-readable storage medium, for example, a first memory 803 storing a computer program, which can be executed by a first processor 802 of a terminal 800 to complete the steps of the terminal-side method, and for example, a second memory 903 storing a computer program, which can be executed by a second processor 902 of a network device 900 to complete the steps of the network-device-side method. The computer readable storage medium may be Memory such as FRAM, ROM, PROM, EPROM, EEPROM, flash Memory, magnetic surface Memory, optical disk, or CD-ROM.
It should be noted that: "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The technical means described in the embodiments of the present application may be arbitrarily combined without conflict.
The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application.

Claims (24)

1. An information indication method, applied to a terminal, includes:
receiving first Downlink Control Information (DCI) sent by a network side, wherein the first DCI carries a first transmission power control command (TPC command);
and determining the TPC command value of each PUSCH in at least two Physical Uplink Shared Channels (PUSCHs) by utilizing the first TPC command.
2. The method of claim 1,
the TPC command value applied to each PUSCH is the same.
3. The method of claim 1, wherein the first TPC command comprises at least two bits;
each bit of the first TPC command indicates a TPC command value of one PUSCH of the at least two PUSCHs;
or,
at least two bits of the first TPC command jointly indicate a TPC command value of each of the at least two PUSCHs.
4. The method of claim 3, further comprising:
receiving first information; the first information indicates at least two candidate TPC command values;
and determining a TPC command value of each PUSCH in at least two PUSCHs by using the first information and the first TPC command.
5. The method of claim 4, wherein the first information is received by one of:
radio resource control, RRC, signaling;
a media access control element, MAC CE;
DCI。
6. the method of claim 1, wherein for a first PUSCH of the at least two PUSCHs, if a power control adjustment state index corresponding to a TPC command under a first condition is the same as a power control adjustment state index corresponding to a TPC command under a second condition, the TPC command under the first condition is the same as a power control closed loop applied by the TPC command under the second condition; the first condition characterizes that the at least two PUSCHs are both scheduled; the second condition characterizes only a first PUSCH of the at least two PUSCHs being scheduled.
7. The method of claim 1, further comprising:
and determining the transmission power of each PUSCH according to the TPC command value of each PUSCH.
8. The method according to any one of claims 1 to 7, further comprising:
and receiving second information sent by the network side, wherein the second information indicates whether the at least two PUSCHs are scheduled or not.
9. The method according to claim 8, wherein the receiving the second information sent by the network side includes:
and receiving second DCI sent by the network side, wherein the second DCI carries the second information.
10. An information indication method applied to a network device includes:
sending a first DCI to a terminal, wherein the first DCI carries a first TPC command; the first TPC command is used for determining a TPC command value of each PUSCH of at least two PUSCHs.
11. The method of claim 10, wherein the TPC command value applied to each PUSCH is the same.
12. The method of claim 10, wherein the first TPC command comprises at least two bits;
each bit of the first TPC command indicates a TPC command value of one PUSCH of the at least two PUSCHs;
or,
at least two bits of the first TPC command jointly indicate a TPC command value of each of the at least two PUSCHs.
13. The method of claim 12, further comprising:
and sending first information to the terminal, wherein the first information indicates at least two candidate TPC command values.
14. The method of claim 13, wherein the first information is sent to the terminal by one of:
RRC signaling;
MAC CE;
DCI。
15. the method of claim 10,
for a first PUSCH in the at least two PUSCHs, if the power control adjustment state indexes corresponding to the TPC command under the first condition are the same as the power control adjustment state indexes corresponding to the TPC command under the second condition, the TPC command under the first condition is the same as the power control closed loop applied by the TPC command under the second condition; the first condition characterizes that the at least two PUSCHs are both scheduled; the second condition characterizes only a first PUSCH of the at least two PUSCHs being scheduled.
16. The method of any one of claims 10 to 15, further comprising:
transmitting second information to the terminal, the second information indicating whether the at least two PUSCHs are both scheduled.
17. The method of claim 16, wherein the sending the second information to the terminal comprises:
and sending a second DCI to the terminal, wherein the second DCI carries the second information.
18. An information indicating device, comprising:
a receiving unit, configured to receive a first DCI sent by a network side, where the first DCI carries a first TPC command;
a first determining unit, configured to determine a TPC command value for each of at least two PUSCHs using the first TPC command.
19. An information indicating device, comprising:
a sending unit, configured to send a first DCI to a terminal, where the first DCI carries a first TPC command; the first TPC command is used for determining a TPC command value of each of at least two PUSCHs.
20. A terminal, comprising:
the first communication interface is used for receiving first DCI sent by a network side, and the first DCI carries a first TPC command;
a first processor, configured to determine a TPC command value for each of at least two PUSCHs using the first TPC command.
21. A network device, comprising: a second communication interface and a second processor; wherein,
the second communication interface is used for sending first DCI to a terminal, and the first DCI carries a first TPC command; the first TPC command is used for determining a TPC command value of each of at least two PUSCHs.
22. A terminal, comprising: a first processor and a first memory for storing a computer program capable of running on the processor,
wherein the first processor is adapted to perform the steps of the method of any one of claims 1 to 9 when running the computer program.
23. A network device, comprising: a second processor and a second memory for storing a computer program capable of running on the processor,
wherein the second processor is adapted to perform the steps of the method of any of claims 10 to 17 when running the computer program.
24. A storage medium having stored thereon a computer program for performing the steps of the method of any one of claims 1 to 9, or for performing the steps of the method of any one of claims 10 to 17, when the computer program is executed by a processor.
CN202110852793.XA 2021-07-27 2021-07-27 Information indication method, device, related equipment and storage medium Pending CN115696534A (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
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