CN110859004B - Method and apparatus for determining transmission power of physical uplink shared channel - Google Patents

Method and apparatus for determining transmission power of physical uplink shared channel Download PDF

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Publication number
CN110859004B
CN110859004B CN201810967712.9A CN201810967712A CN110859004B CN 110859004 B CN110859004 B CN 110859004B CN 201810967712 A CN201810967712 A CN 201810967712A CN 110859004 B CN110859004 B CN 110859004B
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srs resource
resource indication
power control
pusch
control parameter
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CN110859004A (en
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孙晓东
孙鹏
潘学明
鲁智
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473Wireless resource allocation based on the type of the allocated resource the resource being transmission power

Abstract

The embodiment of the invention discloses a method and equipment for determining the transmission power of a physical uplink shared channel, wherein the method comprises the following steps: and receiving RRC signaling, wherein the RRC signaling comprises a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets, and each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set. The embodiment of the invention ensures that different sending power can be adopted when the terminal equipment sends the PUSCH aiming at the PUSCH space related information indicated by different SRS resource indication threshold values, thereby effectively improving the transmission rate of the PUSCH.

Description

Method and apparatus for determining transmission power of physical uplink shared channel
Technical Field
The present invention relates to the field of communications, and in particular, to a method and apparatus for determining a transmission power of a physical uplink shared channel.
Background
The New air interface (NR) of the fifth generation (5G) mobile communication system introduces a large-scale antenna technology, so as to better support a Multi-User-Multiple-Input-Multiple-Output (MU-MIMO) antenna technology. In order to reduce equipment cost and baseband processing complexity caused by a large-scale antenna array, a digital-analog hybrid beam forming technology is adopted to enable a transmission signal to be roughly matched with a channel.
However, in the digital-analog hybrid beamforming technology, the transmission power of the physical uplink shared channel (PUSCH, physical Uplink Shared Channel) is still determined by using a mode of equal power allocation between multiple transmission antenna ports, which results in a lower PUSCH transmission rate.
Disclosure of Invention
The embodiment of the invention aims to provide a method and equipment for determining the transmission power of a physical uplink shared channel, so as to solve the problem of lower transmission rate of a PUSCH in the prior art.
In a first aspect, an embodiment of the present invention provides a method for determining a transmission power of a physical uplink shared channel, which is applied to a terminal device, where the method includes:
and receiving RRC signaling, wherein the RRC signaling comprises a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets, and each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set.
In a second aspect, an embodiment of the present invention further provides a method for determining a transmission power of a physical uplink shared channel, where the method is applied to a network side device, and the method includes:
and sending RRC signaling, wherein the RRC signaling comprises a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets, and each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set.
In a third aspect, an embodiment of the present invention further provides a terminal device, including:
a receiving module, configured to receive RRC signaling, where the RRC signaling includes a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets, and each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set.
In a fourth aspect, an embodiment of the present invention further provides a terminal device, where the terminal device includes a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor to implement the steps of the method for determining a physical uplink shared channel transmit power according to the first aspect.
In a fifth aspect, embodiments of the present invention also provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method for determining transmission power of a physical uplink shared channel according to the first aspect.
In a sixth aspect, an embodiment of the present invention further provides a network side device, including:
A sending module, configured to send RRC signaling, where the RRC signaling includes a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets, and each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set.
In a seventh aspect, an embodiment of the present invention further provides a network side device, where the network side device includes a processor, a memory, and a computer program stored on the memory and capable of running on the processor, where the computer program is executed by the processor to implement the steps of the method for determining a physical uplink shared channel transmit power according to the second aspect.
In an eighth aspect, embodiments of the present invention also provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method for determining transmission power of a physical uplink shared channel according to the second aspect.
In the embodiment of the invention, a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets are configured for the terminal equipment through RRC signaling, and each SRS resource indication domain value corresponds to at least one PUSCH power control parameter identification set, so that when the terminal equipment transmits the PUSCH aiming at the PUSCH space related information indicated by different SRS resource indication domain values, different transmission powers can be adopted, and the transmission rate of the PUSCH can be effectively improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
fig. 1 is a schematic diagram of a network architecture according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for determining a transmission power of a physical uplink shared channel according to an embodiment of the present invention;
fig. 3 is a flowchart of another method for determining a transmission power of a physical uplink shared channel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a network side device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another terminal device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another network side device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a network architecture according to an embodiment of the present invention. As shown in fig. 1, the base station 12 includes a User terminal 11, where the User terminal 11 may be a terminal Equipment (UE), for example: the terminal side devices may be mobile phones, tablet computers (Tablet Personal Computer), laptop computers (Laptop computers), personal digital assistants (PDA, personal digital assistant), mobile internet devices (MID, mobile Internet Device), or Wearable devices (webable devices), etc., and it should be noted that the specific type of the user terminal 11 is not limited in the embodiments of the present invention. The base station 12 may be a 5G or later base station (e.g., a gNB, a 5G NR NB), or a base station in other communication systems, or referred to as a node B, and in the embodiment of the present invention, only a 5G base station is taken as an example, but the specific type of the base station 12 is not limited.
It should be noted that the specific functions of the above-described user terminal 11 and base station 12 will be specifically described by the following embodiments.
Fig. 2 is a flowchart of a method for determining a transmission power of a physical uplink shared channel according to an embodiment of the present invention. The method is applied to the terminal equipment, and can be as follows.
In step 210, radio resource control (RRC, radio Resource Control) signaling is received, where the RRC signaling includes a plurality of sounding reference signal (SRS, sounding Reference Signal) resource indication field values and a plurality of PUSCH power control parameter identification sets, and each SRS resource indication field value in the plurality of SRS resource indication field values corresponds to at least one PUSCH power control parameter identification set.
The PUSCH power control parameter identification set includes at least one PUSCH power control parameter identification of: target received power identification, path loss compensation factor identification, path loss calculation reference signal identification and closed loop process identification;
the RRC signaling comprises a PUSCH power control parameter set;
the PUSCH power control parameter set includes at least one of: a target received power set, a path loss compensation factor set, a path loss calculation reference signal set and a closed loop process set;
the target receiving power set comprises at least one target receiving power, and different target receiving power identifiers correspond to different target receiving powers;
the path loss compensation factor set comprises at least one path loss compensation factor, and different path loss compensation factor identifiers correspond to different path loss compensation factors;
The path loss calculation reference signal set comprises at least one path loss calculation reference signal, and different path loss calculation reference signal identifiers correspond to different path loss calculation reference signals;
the closed-loop process set comprises at least one closed-loop process, and different closed-loop process identifiers correspond to different closed-loop processes.
The network side equipment configures a plurality of SRS resource indication domain values, at least one PUSCH power control parameter identification set corresponding to each SRS resource indication domain value and the PUSCH power control parameter set for the terminal equipment through RRC signaling. I.e. at least one PUSCH power control parameter set is configured for each SRS resource indication field value.
For example, the terminal device receives an RRC signaling sent by the network side device, where the RRC signaling includes: SRS resource indication threshold 0, SRS resource indication threshold 1, and one PUSCH power control parameter identification set corresponding to SRS resource indication threshold 0: PUSCH power control parameter identification set 0, two PUSCH power control parameter identification sets corresponding to SRS resource indication threshold 1: the method comprises the steps of a PUSCH power control parameter identification set 1, a PUSCH power control parameter identification set 2, a target received power set, a path loss compensation factor set, a path loss calculation reference signal set and a closed loop process set.
Wherein, PUSCH power control parameter identification set 0 includes: target received power identification 0, path loss compensation factor identification 0, path loss calculation reference signal identification 0 and closed loop process identification 0;
the PUSCH power control parameter identification set 1 includes: target received power identification 1, path loss compensation factor identification 1, path loss calculation reference signal identification 1 and closed loop process identification 1;
the PUSCH power control parameter identification set 2 includes: target received power identification 2, path loss compensation factor identification 2, path loss calculation reference signal identification 2 and closed loop process identification 2;
the target received power set includes: target received power 0 corresponding to target received power identifier 0, target received power 1 corresponding to target received power identifier 1, and target received power 2 corresponding to target received power identifier 2;
the path loss compensation factor set includes: the method comprises the steps of (1) obtaining a path loss compensation factor 0 corresponding to a path loss compensation factor identifier 0, a path loss compensation factor 1 corresponding to a path loss compensation factor identifier 1, and a path loss compensation factor 2 corresponding to a path loss compensation factor identifier 2;
the path loss calculation reference signal set comprises the following steps: a path loss calculation reference signal 0 corresponding to a path loss calculation reference signal identifier 0, a path loss calculation reference signal 1 corresponding to a path loss calculation reference signal identifier 1, and a path loss calculation reference signal 2 corresponding to a path loss calculation reference signal identifier 2;
The closed-loop process set comprises: closed-loop process 0 corresponding to closed-loop process identification 0, closed-loop process 1 corresponding to closed-loop process identification 1, and closed-loop process 2 corresponding to closed-loop process identification 2.
That is, the network side device configures a PUSCH power control parameter set for SRS resource indication threshold 0 through RRC signaling: target received power 0, path loss compensation factor 0, path loss calculation reference signal 0, and closed loop process 0.
The network side equipment configures two PUSCH power control parameter sets for the SRS resource indication threshold value 1 through RRC signaling: a first set of PUSCH power control parameters and a second set of PSCCH power control parameters. The first PUSCH power control parameter set includes: target received power 1, path loss compensation factor 1, path loss calculation reference signal 1, and closed loop process 1; the second PUSCH power control parameter set includes: target received power 2, path loss compensation factor 2, path loss calculation reference signal 2, and closed loop process 2.
It should be noted that different target received power identifiers may correspond to the same target received power; or, different route loss compensation factor identifiers can correspond to the same route loss compensation factor; or, different path loss calculation reference signal identifiers can correspond to the same path loss calculation reference signal; alternatively, the different closed-loop process identifiers may correspond to the same closed-loop process, which is not specifically limited herein.
For example, the target received power set includes: target received power 0 corresponding to target received power identifier 0, target received power 1 corresponding to target received power identifier 1, and target received power 0 corresponding to target received power identifier 2.
That is, the target received power flag 0 and the target received power flag 2 correspond to the same target received power 0.
In the embodiment of the invention, the method further comprises the following steps:
downlink control information (DCI, downlink Control Information) is received, wherein the DCI is used to indicate a plurality of PUSCH power control parameter identification sets.
The network side equipment indicates the plurality of PUSCH power control parameter identification sets to the terminal equipment through the DCI, so that the terminal equipment can determine a plurality of PUSCH transmission powers according to the plurality of PUSCH power control parameter identification sets, and further, the related information of the PUSCH is transmitted by adopting different PUSCH transmission powers.
The manner in which the DCI indicates the plurality of PUSCH power control parameter identification sets includes at least two of the following.
First kind:
in the embodiment of the invention, the DCI comprises a target SRS resource indication threshold value;
the target SRS resource indication threshold is one of a plurality of SRS resource indication threshold, and the target SRS resource indication threshold corresponds to a plurality of PUSCH power control parameter identification sets.
Aiming at a plurality of SRS resource indication domain values configured for the terminal equipment by the network side equipment through RRC signaling, the network side equipment indicates one of the SRS resource indication domain values to the terminal equipment through DCI, wherein the target SRS resource indication domain values correspond to a plurality of PUSCH power control parameter identification sets.
That is, the network side device indicates, for the terminal device, one target SRS resource indication threshold and a plurality of PUSCH power control parameter identification sets corresponding to the target SRS resource indication threshold through DCI.
For example, the network side configures the terminal device by RRC signaling: SRS resource indication threshold 0, SRS resource indication threshold 1, and one PUSCH power control parameter identification set corresponding to SRS resource indication threshold 0: PUSCH power control parameter identification set 0, and two PUSCH power control parameter identification sets corresponding to SRS resource indication threshold 1: PUSCH power control parameter identification set 1 and PUSCH power control parameter identification set 2.
The terminal equipment receives DCI sent by the network side equipment, wherein the DCI is used for indicating SRS resource indication domain value 1.
That is, the network side device indicates, for the terminal device, one SRS resource indication threshold and two PUSCH power control parameter identification sets through DCI: SRS resource indication threshold 1, PUSCH power control parameter identification set 1, and PUSCH power control parameter identification set 2.
Second kind:
in the embodiment of the invention, the DCI comprises a plurality of target SRS resource indication domain values;
the target SRS resource indication threshold is one of a plurality of SRS resource indication thresholds, and each target SRS resource indication threshold corresponds to one PUSCH power control parameter identification set.
Aiming at a plurality of SRS resource indication domain values configured for terminal equipment by network side equipment through RRC signaling, the network side equipment indicates a plurality of SRS resource indication domain values serving as targets through DCI, wherein each target SRS resource indication domain value corresponds to one PUSCH power control parameter identification set.
That is, the network side device indicates, for the terminal device, a plurality of target SRS resource indication threshold values and one PUSCH power control parameter identification set corresponding to each target SRS resource indication threshold value through DCI.
Note that, the network side device may indicate a plurality of target SRS resource indication domain values by one DCI, or may indicate a plurality of SRS resource indication domain values by a plurality of DCI, which is not limited herein.
In an embodiment, PUSCH power control parameter identification sets corresponding to different target SRS resource indication threshold values may be different.
For example, the network side configures the terminal device by RRC signaling: SRS resource indication threshold 0, SRS resource indication threshold 1, SRS resource indication threshold 2, and one PUSCH power control parameter identification set corresponding to SRS resource indication threshold 0: PUSCH power control parameter identification set 0, SRS resource indication threshold 1 corresponds to one PUSCH power control parameter identification set: a PUSCH power control parameter identification set 1, and one PUSCH power control parameter identification set corresponding to the SRS resource indication threshold 2: PUSCH power control parameters identify set 2.
The terminal equipment receives a piece of DCI sent by the network side equipment, wherein the DCI comprises the following components: SRS resource indication threshold 0, SRS resource indication threshold 1, and SRS resource indication threshold 2.
That is, the network side device indicates three SRS resource indication threshold values and three PUSCH power control parameter identification sets for the terminal device through one DCI: SRS resource indication threshold 0, SRS resource indication threshold 1, SRS resource indication threshold 2, PUSCH power control parameter identification set 0, PUSCH power control parameter identification set 1, and PUSCH power control parameter identification set 2.
In another embodiment, PUSCH power control parameter identification sets corresponding to part of the target SRS resource indication threshold values in the plurality of target SRS resource indication threshold values may be the same, and PUSCH power control parameter identification sets corresponding to part of the target SRS resource indication threshold values may be different.
For example, the network side configures the terminal device by RRC signaling: SRS resource indication threshold 0, SRS resource indication threshold 1, SRS resource indication threshold 2, and one PUSCH power control parameter identification set corresponding to SRS resource indication threshold 0: PUSCH power control parameter identification set 0, SRS resource indication threshold 1 corresponds to one PUSCH power control parameter identification set: a PUSCH power control parameter identification set 1, and one PUSCH power control parameter identification set corresponding to the SRS resource indication threshold 2: PUSCH power control parameters identify set 0.
The terminal equipment receives three DCIs sent by the network side equipment: the method comprises the steps of first DCI, second DCI and third DCI, wherein the first DCI comprises SRS resource indication domain value 0, the second DCI comprises SRS resource indication domain value 1, and the third DCI comprises SRS resource indication domain value 2.
That is, the network side device indicates three SRS resource indication threshold values and two PUSCH power control parameter identification sets for the terminal device through three DCIs: SRS resource indication threshold 0, SRS resource indication threshold 1, SRS resource indication threshold 2, PUSCH power control parameter identification set 0, and PUSCH power control parameter identification set 1.
Wherein, the SRS resource indication threshold 0 and the SRS resource indication threshold 2 correspond to the same PUSCH power control parameter identification set: PUSCH power control parameters identify set 0.
In the embodiment of the invention, the target SRS resource indication threshold is used for indicating the PUSCH space related information;
the PUSCH space related information indicated by the different target SRS resource indication threshold is different.
The network side equipment indicates at least one target SRS resource indication threshold and a plurality of PUSCH power control parameter identification sets to the terminal equipment through DCI, so that the terminal equipment can determine a plurality of PUSCH transmission powers according to the plurality of PUSCH power control parameter identification sets, and further, when the related information of the PUSCH is transmitted according to the PUSCH space related information indicated by different target SRS resource indication threshold in the at least one target SRS resource indication threshold, different PUSCH transmission powers can be adopted.
It should be noted that, the terminal device may simultaneously transmit PUSCH related information according to PUSCH space related information indicated by different SRS resource indication threshold values, or may time-share transmit PUSCH related information according to PUSCH space related information indicated by different SRS resource indication threshold values, which is not specifically limited herein.
In the embodiment of the invention, the method further comprises the following steps:
determining the PUSCH power control parameters corresponding to each PUSCH power control parameter identification set in the plurality of PUSCH power control parameter identification sets according to the PUSCH power control parameter sets and the plurality of PUSCH power control parameter identification sets indicated by the DCI;
and calculating a plurality of PUSCH transmission powers according to the PUSCH power control parameters corresponding to each PUSCH power control parameter identification set.
Wherein, different PUSCH sending power corresponds to different PUSCH; or alternatively, the first and second heat exchangers may be,
different PUSCH transmission power corresponds to different transmission blocks of the same PUSCH; or alternatively, the first and second heat exchangers may be,
different PUSCH transmit powers correspond to different sets of antenna ports of the same PUSCH.
After the network side device indicates the plurality of PUSCH power control parameter identification sets to the terminal device through DCI, the terminal device may calculate a plurality of PUSCH transmission powers.
The manner in which the terminal device calculates the plurality of PUSCH transmission powers includes at least two of the following.
First kind:
in the embodiment of the present invention, PUSCH power control parameters corresponding to each PUSCH power control parameter identification set include: the target received power, the path loss compensation factor, the path loss calculation reference signal, and the closed loop process.
In an embodiment, when the network side device configures the terminal device to simultaneously transmit a plurality of PUSCHs, the network side device may indicate the plurality of PUSCH power control parameter identification sets to the terminal device through DCI. The terminal equipment can determine the target receiving power, the path loss compensation factor and the path loss calculation reference signal corresponding to each PUSCH power control parameter identification set and the closed loop process according to the plurality of PUSCH power control parameter identification sets, further calculate the plurality of PUSCH transmitting powers according to the target receiving power, the path loss compensation factor and the path loss calculation reference signal corresponding to each PUSCH power control parameter identification set and the closed loop process, so that when the terminal equipment simultaneously transmits the plurality of PUSCHs, different PUSCHs adopt different transmitting powers, and the transmission rate of simultaneously transmitting the plurality of PUSCHs is effectively improved.
For example, the network side configures the terminal device by RRC signaling: SRS resource indication threshold 0, SRS resource indication threshold 1, and one PUSCH power control parameter identification set corresponding to SRS resource indication threshold 0: a PUSCH power control parameter identification set 0, and one PUSCH power control parameter identification set corresponding to SRS resource indication threshold 1: PUSCH power control parameters identify set 1.
Wherein, PUSCH power control parameter identification set 0 includes: target received power identification 0, path loss compensation factor identification 0, path loss calculation reference signal identification 0 and closed loop process identification 0;
the PUSCH power control parameter identification set 1 includes: the target received power identification 1, the path loss compensation factor identification 1, the path loss calculation reference signal identification 1 and the closed loop process identification 1.
When the network side device configures the terminal device to simultaneously transmit two PUSCHs (a first PUSCH and a second PUSCH), the network side device transmits two DCIs (a first DCI and a second DCI) to the terminal device, wherein the first DCI includes an SRS resource indication field value 0 corresponding to the first PUSCH, and the second DCI includes an SRS resource indication field value 1 corresponding to the second PUSCH.
The terminal equipment determines the PUSCH power control parameter corresponding to the PUSCH power control parameter identification set 0 according to the PUSCH power control parameter identification set 0 corresponding to the SRS resource indication threshold 0: the method comprises the steps that target receiving power 0 corresponding to target receiving power identification 0, path loss compensation factor 0 corresponding to path loss compensation factor identification 0, path loss calculation reference signal 0 corresponding to path loss calculation reference signal identification 0 and closed loop process 0 corresponding to closed loop process identification 0 are carried out, and then terminal equipment calculates and obtains first PUSCH transmitting power corresponding to a first PUSCH by adopting a preset algorithm according to the target receiving power 0, the path loss compensation factor 0, the path loss calculation reference signal 0 and the closed loop process 0;
The terminal equipment determines the PUSCH power control parameter corresponding to the PUSCH power control parameter identification set 1 according to the PUSCH power control parameter identification set 1 corresponding to the SRS resource indication threshold 1: the method comprises the steps that target receiving power 1 corresponding to target receiving power identification 1, path loss compensation factor 1 corresponding to path loss compensation factor identification 1, path loss calculation reference signal 1 corresponding to path loss calculation reference signal identification 1 and closed loop process 1 corresponding to closed loop process identification 1 are carried out, and then terminal equipment calculates second PUSCH sending power corresponding to second PUSCH according to the target receiving power 1, the path loss compensation factor 1, the path loss calculation reference signal 1 and the closed loop process 1 by adopting a preset algorithm.
Furthermore, the terminal equipment adopts the first PUSCH transmission power to transmit the first PUSCH according to the PUSCH space related information indicated by the SRS resource indication threshold value 0; meanwhile, according to the PUSCH space related information indicated by the SRS resource indication threshold value 1, a second PUSCH is transmitted by adopting a second PUSCH transmission power.
It should be noted that, when the network side device configures the terminal device to simultaneously transmit multiple PUSCHs, different PUSCHs may use different transmission powers; or, part of PUSCHs in the plurality of PUSCHs may use the same transmission power, and part of PUSCHs may use different transmission powers, which is not particularly limited herein.
When the network side equipment configures at least one corresponding PUSCH power control parameter identification set for each SRS resource indication domain value through RRC signaling, an antenna port set corresponding to each PUSCH power control parameter identification set may be configured at the same time, so that when the terminal equipment simultaneously transmits different antenna port sets of the same PUSCH, PUSCH transmission power corresponding to the antenna port set may be calculated according to the PUSCH power control parameter identification set corresponding to the antenna port set.
For example, the network side configures the terminal device by RRC signaling: SRS resource indication threshold 0, and two PUSCH power control parameter identification sets corresponding to SRS resource indication threshold 0: PUSCH power control parameter identification set 0 and PUSCH power control parameter identification set 1.
Wherein, PUSCH power control parameter identification set 0 corresponds with antenna port set 0, PUSCH power control parameter identification set 0 includes: target received power identification 0, path loss compensation factor identification 0, path loss calculation reference signal identification 0 and closed loop process identification 0;
the PUSCH power control parameter identification set 1 corresponds to the antenna port set 2, and the PUSCH power control parameter identification set 1 includes: target received power identification 1, path loss compensation factor identification 1, path loss calculation reference signal identification 1, and closed loop process identification 1.
When the network side equipment configures the terminal equipment to simultaneously send two antenna port sets (an antenna port set 0 and an antenna port set 2) of one PUSCH, the terminal equipment receives DCI sent by the network side equipment, wherein the DCI includes an SRS resource indication threshold value 0.
The terminal equipment determines the PUSCH power control parameter corresponding to the PUSCH power control parameter identification set 0 according to the PUSCH power control parameter identification set 0 corresponding to the SRS resource indication threshold 0: the method comprises the steps that target receiving power 0 corresponding to target receiving power identification 0, path loss compensation factor 0 corresponding to path loss compensation factor identification 0, path loss calculation reference signal 0 corresponding to path loss calculation reference signal identification 0 and closed loop process 0 corresponding to closed loop process identification 0 are carried out, and then terminal equipment calculates to obtain first PUSCH transmitting power corresponding to antenna port set 0 by adopting a preset algorithm according to target receiving power 0, path loss compensation factor 0, path loss calculation reference signal 0 and closed loop process 0;
the terminal equipment determines the PUSCH power control parameter corresponding to the PUSCH power control parameter identification set 1 according to the PUSCH power control parameter identification set 1 corresponding to the SRS resource indication threshold value 0: the method comprises the steps that target receiving power 1 corresponding to target receiving power identification 1, path loss compensation factor 1 corresponding to path loss compensation factor identification 1, path loss calculation reference signal 1 corresponding to path loss calculation reference signal identification 1 and closed loop process 1 corresponding to closed loop process identification 1 are carried out, and then terminal equipment calculates to obtain second PUSCH transmitting power corresponding to antenna port set 2 by adopting a preset algorithm according to target receiving power 1, path loss compensation factor 1, path loss calculation reference signal 1 and closed loop process 1.
Furthermore, the terminal equipment adopts the first PUSCH transmission power to transmit the PUSCH on the antenna port set 0 according to the PUSCH space related information indicated by the SRS resource indication threshold value 0; meanwhile, according to the PUSCH space related information indicated by the SRS resource indication threshold value 0, the PUSCH is transmitted on the antenna port set 2 by adopting the second PUSCH transmission power.
It should be noted that, when the network side device configures the terminal device to simultaneously transmit multiple antenna port sets of one PUSCH, different antenna port sets may use completely different transmission powers; or, the same transmission power may be used for part of the antenna port sets in the plurality of antenna port sets, and different transmission powers may be used for part of the antenna port sets, which is not particularly limited herein.
In the embodiment of the present invention, the preset algorithm may be the following formula:
wherein P is PUSCH,b,f,c (i,j,q d L) is the PUSCH transmission power of an uplink partial bandwidth b on a carrier f of a serving cell c, i is the transmission time, j is the target received power identity and the path loss compensation factor identity, q d Calculating a reference signal identifier for the path loss, wherein l is a closed-loop process identifier, and P CMAX,f,c (i) At maximum transmit power, P O_PUSCH,b,f,c (j) For target received power, alpha b,f,c (j) As the path loss compensation factor, the compensation factor is,for the transmission bandwidth of PUSCH, PL b,f,c (q d ) Delta as a path loss estimation value TF,b,f,c (i) F is a power compensation amount related to a modulation and coding scheme b,f,c And (i, l) is a closed loop power control adjustment.
It should be noted that, in addition to the target received power, the path loss compensation factor, the path loss calculation reference signal corresponding to each PUSCH power control parameter identification set, and the closed loop process calculating the plurality of PUSCH transmission powers, the plurality of PUSCH transmission powers may also be calculated according to other parameters, which is not specifically limited herein.
Second kind:
in the embodiment of the present invention, PUSCH power control parameters corresponding to each PUSCH power control parameter identification set include: calculating a reference signal by path loss;
according to the PUSCH power control parameters corresponding to each PUSCH power control parameter identification set, calculating a plurality of PUSCH transmission powers, including:
calculating a reference signal according to the path loss corresponding to each PUSCH power control parameter identification set, and calculating a power distribution proportion;
and calculating a plurality of PUSCH transmission powers according to the power distribution proportion.
In an embodiment, when the network side device configures the terminal device to simultaneously transmit a plurality of PUSCHs, the network side device may indicate the plurality of PUSCH power control parameter identification sets to the terminal device through DCI. The terminal equipment can determine the path loss calculation reference signal corresponding to each PUSCH power control parameter identification set according to the plurality of PUSCH power control parameter identification sets, further calculate the reference signal according to the path loss corresponding to each PUSCH power control parameter identification set, calculate the power distribution proportion, and further calculate the plurality of PUSCH transmission powers according to the power distribution proportion, so that when the terminal equipment simultaneously transmits the plurality of PUSCHs, different PUSCHs adopt different transmission powers, and the transmission rate of simultaneously transmitting the plurality of PUSCHs is effectively improved.
For example, the network side configures the terminal device by RRC signaling: SRS resource indication threshold 0, SRS resource indication threshold 1, and one PUSCH power control parameter identification set corresponding to SRS resource indication threshold 0: a PUSCH power control parameter identification set 0, and one PUSCH power control parameter identification set corresponding to SRS resource indication threshold 1: PUSCH power control parameters identify set 1.
Wherein, PUSCH power control parameter identification set 0 includes: the path loss calculation reference signal identifier 0; the PUSCH power control parameter identification set 1 includes: the path loss calculation references reference signal identity 1.
When the network side device configures the terminal device to simultaneously transmit two PUSCHs (a first PUSCH and a second PUSCH), the terminal device receives one DCI transmitted by the network side device, where the DCI includes: SRS resource indication threshold 0 and SRS resource indication threshold 1.
The terminal equipment determines the PUSCH power control parameter corresponding to the PUSCH power control parameter identification set 0 according to the PUSCH power control parameter identification set 0 corresponding to the SRS resource indication threshold 0: the path loss calculation reference signal 0 corresponds to the path loss calculation reference signal identifier 0; according to the PUSCH power control parameter identification set 1 corresponding to the SRS resource indication threshold 1, determining the PUSCH power control parameter corresponding to the PUSCH power control parameter identification set 1: the path loss calculation reference signal 1 corresponds to the path loss calculation reference signal identifier 1.
The terminal equipment determines a first path loss estimated value x corresponding to the path loss calculation reference signal 0 and a second path loss estimated value y corresponding to the path loss calculation reference signal 1, and further determines the ratio between the first path loss estimated value and the second path loss estimated value as a power distribution ratio x:y. If the total transmission power is a, the terminal device may determine a first PUSCH transmission power corresponding to the first PUSCHSecond PUSCH transmission power corresponding to second PUSCH +.>
Furthermore, the terminal equipment adopts the first PUSCH transmission power according to the PUSCH space related information indicated by the SRS resource indication threshold value 0Transmitting a first PUSCH; meanwhile, according to the PUSCH space related information indicated by the SRS resource indication threshold value 1, adopting a second PUSCH transmission power +.>And transmitting a second PUSCH.
It should be noted that, in addition to calculating the power allocation ratio according to the path loss corresponding to each PUSCH power control parameter identification set, the power allocation ratio may also be calculated according to other parameters, for example, the frequency domain resource number, which is not limited herein specifically.
In an embodiment, when the network side device configures the terminal device to simultaneously transmit multiple transport blocks of the same PUSCH, the terminal device may calculate, according to the number of physical resource blocks (PRB, physical Resource Block) occupied by different transport blocks, a power allocation ratio, and further calculate, according to the power allocation ratio, multiple PUSCH transmission powers, so that when the terminal device simultaneously transmits multiple transport blocks of the same PUSCH, different transport blocks use different transmission powers, thereby effectively improving a transmission rate of multiple transport blocks that simultaneously transmit one PUSCH.
For example, the network side configures the terminal device by RRC signaling: SRS resource indication threshold 0 and SRS resource indication threshold 1.
When the network side device configures the terminal device to simultaneously transmit two transport blocks (transport block 0 and transport block 1) of one PUSCH, the terminal device receives two DCIs (a first DCI and a second DCI) transmitted by the network side device, where the first DCI includes an SRS resource indication threshold value 0 corresponding to the transport block 0, and the second DCI includes an SRS resource indication threshold value 1 corresponding to the transport block 1.
If the number of PRBs occupied by the transport block 0 is b and the number of PRBs occupied by the transport block 1 is c, the power distribution ratio is b to c. If the total transmission power is a, the terminal device may determine the first PUSCH transmission power corresponding to the transport block 0Second PUSCH transmission power corresponding to transport block 1 +.>
Furthermore, the terminal equipment adopts the first PUSCH transmission power according to the PUSCH space related information indicated by the SRS resource indication threshold value 0Transmitting a transport block 0 of the PUSCH; meanwhile, according to the PUSCH space related information indicated by the SRS resource indication threshold value 1, adopting a second PUSCH transmission power +.>And transmitting the transmission block 1 of the PUSCH.
When the power allocation ratio is 1, the terminal device uses the same PUSCH transmission power to transmit different PUSCHs, or uses the same PUSCH transmission power to transmit PUSCHs on multiple antenna port sets, or uses the same PUSCH transmission power to transmit multiple transport blocks of the same PUSCH.
According to the technical scheme, a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets are configured for the terminal equipment through RRC signaling, each SRS resource indication domain value corresponds to at least one PUSCH power control parameter identification set, so that when the terminal equipment transmits the PUSCH aiming at the PUSCH space related information indicated by different SRS resource indication domain values, different transmission powers can be adopted, and the transmission rate of the PUSCH can be effectively improved.
Fig. 3 is a flowchart of another method for determining a transmission power of a physical uplink shared channel according to an embodiment of the present invention. The method is applied to the network side equipment, and can be as follows.
In step 310, RRC signaling is sent, where the RRC signaling includes a plurality of SRS resource indication threshold and a plurality of PUSCH power control parameter identification sets, and each SRS resource indication threshold in the plurality of SRS resource indication threshold corresponds to at least one PUSCH power control parameter identification set.
The PUSCH power control parameter identification set includes at least one PUSCH power control parameter identification of: target received power identification, path loss compensation factor identification, path loss calculation reference signal identification and closed loop process identification;
The RRC signaling comprises a PUSCH power control parameter set;
the PUSCH power control parameter set includes at least one of: a target received power set, a path loss compensation factor set, a path loss calculation reference signal set and a closed loop process set;
the target receiving power set comprises at least one target receiving power, and different target receiving power identifiers correspond to different target receiving powers;
the path loss compensation factor set comprises at least one path loss compensation factor, and different path loss compensation factor identifiers correspond to different path loss compensation factors;
the path loss calculation reference signal set comprises at least one path loss calculation reference signal, and different path loss calculation reference signal identifiers correspond to different path loss calculation reference signals;
the closed-loop process set comprises at least one closed-loop process, and different closed-loop process identifiers correspond to different closed-loop processes.
The network side equipment configures a plurality of SRS resource indication domain values, at least one PUSCH power control parameter identification set corresponding to each SRS resource indication domain value and the PUSCH power control parameter set for the terminal equipment through RRC signaling. I.e. at least one PUSCH power control parameter set is configured for each SRS resource indication field value.
The specific configuration procedure of RRC signaling is similar to that described in the related parts of the embodiment shown in fig. 1, and is not repeated here.
It should be noted that different target received power identifiers may correspond to the same target received power; or, different route loss compensation factor identifiers can correspond to the same route loss compensation factor; or, different path loss calculation reference signal identifiers can correspond to the same path loss calculation reference signal; alternatively, the different closed-loop process identifiers may correspond to the same closed-loop process, which is not specifically limited herein.
In the embodiment of the invention, the method further comprises the following steps:
and sending DCI, wherein the DCI is used for indicating a plurality of PUSCH power control parameter identification sets.
The network side equipment indicates the plurality of PUSCH power control parameter identification sets to the terminal equipment through the DCI, so that the terminal equipment can determine a plurality of PUSCH transmission powers according to the plurality of PUSCH power control parameter identification sets, and further, the related information of the PUSCH is transmitted by adopting different PUSCH transmission powers.
The manner in which the DCI indicates the plurality of PUSCH power control parameter identification sets includes at least two of the following.
The manner in which the DCI indicates the plurality of PUSCH power control parameter identification sets includes at least two of the following.
First kind:
In the embodiment of the invention, the DCI comprises a target SRS resource indication threshold value;
the target SRS resource indication threshold is one of a plurality of SRS resource indication threshold, and the target SRS resource indication threshold corresponds to a plurality of PUSCH power control parameter identification sets.
Aiming at a plurality of SRS resource indication domain values configured for the terminal equipment by the network side equipment through RRC signaling, the network side equipment indicates one of the SRS resource indication domain values to the terminal equipment through DCI, wherein the target SRS resource indication domain values correspond to a plurality of PUSCH power control parameter identification sets.
That is, the network side device indicates, for the terminal device, one target SRS resource indication threshold and a plurality of PUSCH power control parameter identification sets corresponding to the target SRS resource indication threshold through DCI.
The specific indication process of the DCI is similar to the description of the relevant part of the embodiment shown in fig. 1, and is not repeated here.
Second kind:
in the embodiment of the invention, the DCI comprises a plurality of target SRS resource indication domain values;
the target SRS resource indication threshold is one of a plurality of SRS resource indication thresholds, and each target SRS resource indication threshold corresponds to one PUSCH power control parameter identification set.
Aiming at a plurality of SRS resource indication domain values configured for terminal equipment by network side equipment through RRC signaling, the network side equipment indicates a plurality of SRS resource indication domain values serving as targets through DCI, wherein each target SRS resource indication domain value corresponds to one PUSCH power control parameter identification set.
That is, the network side device indicates, for the terminal device, a plurality of target SRS resource indication threshold values and one PUSCH power control parameter identification set corresponding to each target SRS resource indication threshold value through DCI.
The specific indication process of the DCI is similar to the description of the relevant part of the embodiment shown in fig. 1, and is not repeated here.
It should be noted that, PUSCH power control parameter identification sets corresponding to different target SRS resource indication threshold values may be different; or, PUSCH power control parameter identification sets corresponding to part of the target SRS resource indication threshold values in the plurality of target SRS resource indication threshold values may be the same, and PUSCH power control parameter identification sets corresponding to part of the target SRS resource indication threshold values may be different.
In the embodiment of the invention, the target SRS resource indication threshold is used for indicating the PUSCH space related information;
the PUSCH space related information indicated by the different target SRS resource indication threshold is different.
The network side equipment indicates at least one target SRS resource indication threshold and a plurality of PUSCH power control parameter identification sets to the terminal equipment through DCI, so that the terminal equipment can determine a plurality of PUSCH transmission powers according to the plurality of PUSCH power control parameter identification sets, and further, when the related information of the PUSCH is transmitted according to the PUSCH space related information indicated by different target SRS resource indication threshold in the at least one target SRS resource indication threshold, different PUSCH transmission powers can be adopted.
It should be noted that, the terminal device may simultaneously transmit PUSCH related information according to PUSCH space related information indicated by different SRS resource indication threshold values, or may time-share transmit PUSCH related information according to PUSCH space related information indicated by different SRS resource indication threshold values, which is not specifically limited herein.
According to the technical scheme, a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets are configured for the terminal equipment through RRC signaling, each SRS resource indication domain value corresponds to at least one PUSCH power control parameter identification set, so that when the terminal equipment transmits the PUSCH aiming at the PUSCH space related information indicated by different SRS resource indication domain values, different transmission powers can be adopted, and the transmission rate of the PUSCH can be effectively improved.
Fig. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. The terminal device 400 shown in fig. 4 includes:
the receiving module 401 is configured to receive RRC signaling, where the RRC signaling includes a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets, and each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set.
Optionally, the PUSCH power control parameter identification set includes at least one PUSCH power control parameter identification of:
target received power identification, path loss compensation factor identification, path loss calculation reference signal identification and closed loop process identification.
Optionally, the RRC signaling includes a PUSCH power control parameter set.
Optionally, the PUSCH power control parameter set includes at least one of:
a target received power set, a path loss compensation factor set, a path loss calculation reference signal set and a closed loop process set;
the target receiving power set comprises at least one target receiving power, and different target receiving power identifiers correspond to different target receiving powers;
the path loss compensation factor set comprises at least one path loss compensation factor, and different path loss compensation factor identifiers correspond to different path loss compensation factors;
The path loss calculation reference signal set comprises at least one path loss calculation reference signal, and different path loss calculation reference signal identifiers correspond to different path loss calculation reference signals;
the closed-loop process set comprises at least one closed-loop process, and different closed-loop process identifiers correspond to different closed-loop processes.
Optionally, the receiving module 401 is further configured to:
and receiving DCI, wherein the DCI is used for indicating a plurality of PUSCH power control parameter identification sets.
Optionally, the DCI includes a target SRS resource indication field value;
the target SRS resource indication threshold is one of a plurality of SRS resource indication threshold, and the target SRS resource indication threshold corresponds to a plurality of PUSCH power control parameter identification sets.
Optionally, the DCI includes a plurality of target SRS resource indication field values;
the target SRS resource indication threshold is one of a plurality of SRS resource indication thresholds, and each target SRS resource indication threshold corresponds to one PUSCH power control parameter identification set;
the PUSCH power control parameter identification sets corresponding to the different target SRS resource indication threshold are different.
Optionally, the target SRS resource indication threshold is used for indicating PUSCH space related information;
The PUSCH space related information indicated by the different target SRS resource indication threshold is different.
Optionally, the terminal device 400 further includes:
a determining module, configured to determine, according to the PUSCH power control parameter set and the plurality of PUSCH power control parameter identifier sets indicated by the DCI, a PUSCH power control parameter corresponding to each PUSCH power control parameter identifier set in the plurality of PUSCH power control parameter identifier sets;
and the calculating module is used for calculating a plurality of PUSCH transmitting powers according to the PUSCH power control parameters corresponding to each PUSCH power control parameter identification set.
Optionally, the PUSCH power control parameters corresponding to each PUSCH power control parameter identification set include: target received power, path loss compensation factor, path loss calculation reference signal and closed loop process.
Optionally, the PUSCH power control parameters corresponding to each PUSCH power control parameter identification set include: calculating a reference signal by path loss;
a computing module, further configured to:
calculating a reference signal according to the path loss corresponding to each PUSCH power control parameter identification set, and calculating a power distribution proportion;
and calculating a plurality of PUSCH transmission powers according to the power distribution proportion.
Optionally, the different PUSCH transmission powers correspond to different PUSCHs.
Optionally, the different PUSCH transmission powers correspond to different transport blocks of the same PUSCH.
Optionally, the different PUSCH transmission powers correspond to different antenna port sets of the same PUSCH.
The terminal device 400 provided in the embodiment of the present invention can implement each process implemented by the terminal device in the embodiment of the method of fig. 2, and in order to avoid repetition, a description is omitted here.
Fig. 5 is a schematic structural diagram of a network side device according to an embodiment of the present invention. The network-side apparatus 500 shown in fig. 5 includes:
and the sending module is used for sending the RRC signaling, wherein the RRC signaling comprises a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets, and each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set.
Optionally, the PUSCH power control parameter identification set includes at least one PUSCH power control parameter identification of:
target received power identification, path loss compensation factor identification, path loss calculation reference signal identification and closed loop process identification.
Optionally, the RRC signaling includes a PUSCH power control parameter set.
Optionally, the PUSCH power control parameter set includes at least one of:
a target received power set, a path loss compensation factor set, a path loss calculation reference signal set and a closed loop process set;
the target receiving power set comprises at least one target receiving power, and different target receiving power identifiers correspond to different target receiving powers;
the path loss compensation factor set comprises at least one path loss compensation factor, and different path loss compensation factor identifiers correspond to different path loss compensation factors;
the path loss calculation reference signal set comprises at least one path loss calculation reference signal, and different path loss calculation reference signal identifiers correspond to different path loss calculation reference signals;
the closed-loop process set comprises at least one closed-loop process, and different closed-loop process identifiers correspond to different closed-loop processes.
Optionally, the sending module 501 is further configured to:
and sending DCI, wherein the DCI is used for indicating a plurality of PUSCH power control parameter identification sets.
Optionally, the DCI includes a target SRS resource indication field value;
the target SRS resource indication threshold is one of a plurality of SRS resource indication threshold, and the target SRS resource indication threshold corresponds to a plurality of PUSCH power control parameter identification sets.
Optionally, the DCI includes a plurality of target SRS resource indication field values;
the target SRS resource indication threshold is one of the plurality of SRS resource indication thresholds, and each target SRS resource indication threshold corresponds to one PUSCH power control parameter identification set;
the PUSCH power control parameter identification sets corresponding to the different target SRS resource indication threshold are different.
Optionally, the target SRS resource indication threshold is used for indicating PUSCH space related information;
the PUSCH space related information indicated by the different target SRS resource indication threshold is different.
The network side device 500 provided in the embodiment of the present invention can implement each process implemented by the network side device in the method embodiment of fig. 3, and in order to avoid repetition, a description is omitted here.
Fig. 6 is a schematic structural diagram of another terminal device according to an embodiment of the present invention. The terminal device 600 shown in fig. 6 includes: at least one processor 601, a memory 602, at least one network interface 604, and a user interface 603. The various components in terminal device 600 are coupled together by a bus system 605. It is understood that the bus system 605 is used to enable connected communications between these components. The bus system 605 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for clarity of illustration the various buses are labeled as bus system 605 in fig. 6.
The user interface 603 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, a trackball, a touch pad, or a touch screen, etc.).
It is to be appreciated that the memory 602 in embodiments of the invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable Programmable ROM (EPROM), an electrically Erasable Programmable ROM (EEPROM, electrically EPROM), or a flash Memory, among others. The volatile memory may be random access memory (RAM, random Access Memory), which acts as external cache memory. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate Synchronous DRAM (ddr SDRAM, double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), and direct memory bus RAM (DRRAM, direct Rambus RAM). The memory 602 of the system and method described in embodiments of the invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In some implementations, the memory 602 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set thereof: an operating system 6021 and application programs 6022.
The operating system 6021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application 6022 includes various application programs such as a Media Player (Media Player), a Browser (Browser), and the like for realizing various application services. The program for implementing the method of the embodiment of the present invention may be included in the application 6022.
In the embodiment of the present invention, the terminal device 600 further includes: a computer program stored on the memory 602 and executable on the processor 601, which when executed by the processor 601 performs the steps of:
and receiving RRC signaling, wherein the RRC signaling comprises a plurality of SRS resource indication domain values and a plurality of power control parameter identification sets, and each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set.
The method disclosed in the above embodiment of the present invention may be applied to the processor 601 or implemented by the processor 601. The processor 601 may be an integrated circuit chip with signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in the processor 601 or instructions in the form of software. The processor 601 may be a general purpose processor, a digital signal processor (DSP, digital Signal Processor), an application specific integrated circuit (ASIC, application Specific Integrated Circuit), an off-the-shelf programmable gate array (FPGA, field Programmable Gate Array) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a computer readable storage medium well known in the art such as random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, and the like. The computer readable storage medium is located in the memory 602, and the processor 601 reads information in the memory 602 and performs the steps of the above method in combination with its hardware. In particular, the computer readable storage medium has stored thereon a computer program which, when executed by the processor 601, performs the steps of the method embodiment as in fig. 2.
It is to be understood that the embodiments of the invention described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For a hardware implementation, the processing units may be implemented within one or more application specific integrated circuits (ASIC, application Specific Integrated Circuits), digital signal processors (DSP, digital Signal Processing), digital signal processing devices (DSPD, DSP devices), programmable logic devices (PLD, programmable Logic Device), field programmable gate arrays (FPGA, field-Programmable Gate Array), general purpose processors, controllers, microcontrollers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described in embodiments of the present invention may be implemented by modules (e.g., procedures, functions, and so on) that perform the functions described in embodiments of the present invention. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
The terminal device 600 can implement the respective processes implemented by the terminal device in the foregoing method embodiment of fig. 2, and in order to avoid repetition, a description is omitted here.
The embodiment of the present invention further provides a computer readable storage medium, where a computer program is stored, where the computer program when executed by a processor implements each process of the method embodiment of fig. 2, and the same technical effects can be achieved, and for avoiding repetition, a detailed description is omitted herein. Wherein the computer readable storage medium is selected from a Read-Only Memory (ROM), a random-access Memory (RAM, random Access Memory), a magnetic disk, an optical disk, and the like.
Fig. 7 is a schematic structural diagram of another network side device according to an embodiment of the present invention. The network side device 700 shown in fig. 7 can implement details of the method embodiment of fig. 3 and achieve the same effects. As shown in fig. 7, the network-side device 700 includes: a processor 701, a transceiver 702, a memory 703, a user interface 704 and a bus interface, wherein:
in the embodiment of the present invention, the network side device 700 further includes: a computer program stored on the memory 703 and executable on the processor 701, which when executed by the processor 701 performs the steps of:
and sending RRC signaling, wherein the RRC signaling comprises a plurality of SRS resource indication domain values and a plurality of power control parameter identification sets, and each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set.
In fig. 7, a bus architecture may be comprised of any number of interconnected buses and bridges, and in particular, one or more processors represented by the processor 701 and various circuits of memory represented by the memory 703. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 702 may be a number of elements, i.e., including a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium. The user interface 704 may also be an interface capable of interfacing with an inscribed desired device for a different user device, including but not limited to a keypad, display, speaker, microphone, joystick, etc.
The processor 701 is responsible for managing the bus architecture and general processing, and the memory 703 may store data used by the processor 701 in performing operations.
The network side device 700 can implement each process implemented by the network side device in the foregoing method embodiment of fig. 3, and in order to avoid repetition, a description is omitted herein.
The embodiment of the present invention further provides a computer readable storage medium, where a computer program is stored, where the computer program when executed by a processor implements each process of the method embodiment of fig. 3, and the same technical effects can be achieved, and for avoiding repetition, a detailed description is omitted herein. Wherein the computer readable storage medium is selected from a Read-Only Memory (ROM), a random-access Memory (RAM, random Access Memory), a magnetic disk, an optical disk, 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 phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.

Claims (22)

1. A method for determining a transmission power of a physical uplink shared channel, applied to a terminal device, comprising:
receiving Radio Resource Control (RRC) signaling, wherein the RRC signaling comprises a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets of physical uplink shared channels, and each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set;
the method further comprises the steps of:
receiving Downlink Control Information (DCI), wherein the DCI is used for indicating a plurality of PUSCH power control parameter identification sets;
the DCI comprises a target SRS resource indication threshold, wherein the target SRS resource indication threshold is one of the plurality of SRS resource indication thresholds, and the target SRS resource indication threshold corresponds to a plurality of PUSCH power control parameter identification sets; or,
The DCI comprises a plurality of target SRS resource indication domain values, wherein the target SRS resource indication domain value is one of the plurality of SRS resource indication domain values, each target SRS resource indication domain value corresponds to one PUSCH power control parameter identification set, and the PUSCH power control parameter identification sets corresponding to different target SRS resource indication domain values are different; or, the PUSCH power control parameter identification sets corresponding to part of the target SRS resource indication threshold values in the target SRS resource indication threshold values are the same.
2. The method of claim 1, wherein the set of PUSCH power control parameter identifications comprises at least one PUSCH power control parameter identification of:
target received power identification, path loss compensation factor identification, path loss calculation reference signal identification and closed loop process identification.
3. The method of claim 2, wherein,
the RRC signaling includes a PUSCH power control parameter set.
4. The method of claim 3, wherein the set of PUSCH power control parameters comprises at least one of:
a target received power set, a path loss compensation factor set, a path loss calculation reference signal set and a closed loop process set;
The target receiving power set comprises at least one target receiving power, and different target receiving power identifiers correspond to different target receiving powers;
the path loss compensation factor set comprises at least one path loss compensation factor, and different path loss compensation factor identifiers correspond to different path loss compensation factors;
the path loss calculation reference signal set comprises at least one path loss calculation reference signal, and different path loss calculation reference signal identifiers correspond to different path loss calculation reference signals;
the closed-loop process set comprises at least one closed-loop process, and different closed-loop process identifiers correspond to different closed-loop processes.
5. The method of claim 1, wherein,
the target SRS resource indication threshold is used for indicating PUSCH space related information;
and the PUSCH space related information indicated by the target SRS resource indication threshold is different.
6. The method of claim 5, wherein the method further comprises:
determining a PUSCH power control parameter corresponding to each PUSCH power control parameter identification set in the plurality of PUSCH power control parameter identification sets according to the PUSCH power control parameter set and the plurality of PUSCH power control parameter identification sets indicated by the DCI;
And calculating a plurality of PUSCH transmitting powers according to the PUSCH power control parameters corresponding to each PUSCH power control parameter identification set.
7. The method of claim 6, wherein,
the PUSCH power control parameters corresponding to each PUSCH power control parameter identification set include: target received power, path loss compensation factor, path loss calculation reference signal and closed loop process.
8. The method of claim 6, wherein the PUSCH power control parameters corresponding to each PUSCH power control parameter identification set comprises: calculating a reference signal by path loss;
according to the PUSCH power control parameters corresponding to each PUSCH power control parameter identification set, calculating a plurality of PUSCH transmission powers, including:
calculating reference signals according to the path loss corresponding to each PUSCH power control parameter identification set, and calculating power distribution proportion;
and calculating the plurality of PUSCH transmission powers according to the power distribution proportion.
9. The method of claim 7 or 8, wherein,
different PUSCH transmission powers correspond to different PUSCHs.
10. The method of claim 7 or 8, wherein,
different PUSCH transmission powers correspond to different transport blocks of the same PUSCH.
11. The method of claim 6, wherein,
different PUSCH transmit powers correspond to different sets of antenna ports of the same PUSCH.
12. A method for determining a transmission power of a physical uplink shared channel, applied to a network side device, comprising:
transmitting RRC signaling, wherein the RRC signaling comprises a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets, and each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set;
transmitting DCI, wherein the DCI is used for indicating a plurality of PUSCH power control parameter identification sets;
the DCI comprises a target SRS resource indication threshold, wherein the target SRS resource indication threshold is one of the plurality of SRS resource indication thresholds, and the target SRS resource indication threshold corresponds to a plurality of PUSCH power control parameter identification sets; or,
the DCI comprises a plurality of target SRS resource indication domain values, wherein the target SRS resource indication domain value is one of the plurality of SRS resource indication domain values, each target SRS resource indication domain value corresponds to one PUSCH power control parameter identification set, and the PUSCH power control parameter identification sets corresponding to different target SRS resource indication domain values are different; or, the PUSCH power control parameter identification sets corresponding to part of the target SRS resource indication threshold values in the target SRS resource indication threshold values are the same.
13. The method of claim 12, wherein the set of PUSCH power control parameter identifications comprises at least one PUSCH power control parameter identification of:
target received power identification, path loss compensation factor identification, path loss calculation reference signal identification and closed loop process identification.
14. The method of claim 13, wherein,
the RRC signaling includes a PUSCH power control parameter set.
15. The method of claim 14, wherein the set of PUSCH power control parameters comprises at least one of:
a target received power set, a path loss compensation factor set, a path loss calculation reference signal set and a closed loop process set;
the target receiving power set comprises at least one target receiving power, and different target receiving power identifiers correspond to different target receiving powers;
the path loss compensation factor set comprises at least one path loss compensation factor, and different path loss compensation factor identifiers correspond to different path loss compensation factors;
the path loss calculation reference signal set comprises at least one path loss calculation reference signal, and different path loss calculation reference signal identifiers correspond to different path loss calculation reference signals;
The closed-loop process set comprises at least one closed-loop process, and different closed-loop process identifiers correspond to different closed-loop processes.
16. The method of claim 12, wherein,
the target SRS resource indication threshold is used for indicating PUSCH space related information;
and the PUSCH space related information indicated by the target SRS resource indication threshold is different.
17. A terminal device, comprising:
a receiving module, configured to receive an RRC signaling, where the RRC signaling includes a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets, where each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set;
the receiving module is further configured to:
receiving DCI, wherein the DCI is used for indicating a plurality of PUSCH power control parameter identification sets;
the DCI comprises a target SRS resource indication threshold, wherein the target SRS resource indication threshold is one of the plurality of SRS resource indication thresholds, and the target SRS resource indication threshold corresponds to a plurality of PUSCH power control parameter identification sets; or,
the DCI comprises a plurality of target SRS resource indication domain values, wherein the target SRS resource indication domain value is one of the plurality of SRS resource indication domain values, each target SRS resource indication domain value corresponds to one PUSCH power control parameter identification set, and the PUSCH power control parameter identification sets corresponding to different target SRS resource indication domain values are different; or, the PUSCH power control parameter identification sets corresponding to part of the target SRS resource indication threshold values in the target SRS resource indication threshold values are the same.
18. A terminal device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, implements the steps of the method for determining a physical uplink shared channel transmit power as claimed in any one of claims 1 to 11.
19. A computer readable storage medium, characterized in that it has stored thereon a computer program which, when executed by a processor, implements the steps of the method for determining the transmission power of a physical uplink shared channel according to any of claims 1 to 11.
20. A network side device, comprising:
a sending module, configured to send RRC signaling, where the RRC signaling includes a plurality of SRS resource indication domain values and a plurality of PUSCH power control parameter identification sets, where each SRS resource indication domain value in the plurality of SRS resource indication domain values corresponds to at least one PUSCH power control parameter identification set;
the sending module is further configured to:
transmitting DCI, wherein the DCI is used for indicating a plurality of PUSCH power control parameter identification sets;
The DCI comprises a target SRS resource indication threshold, wherein the target SRS resource indication threshold is one of the plurality of SRS resource indication thresholds, and the target SRS resource indication threshold corresponds to a plurality of PUSCH power control parameter identification sets; or,
the DCI comprises a plurality of target SRS resource indication domain values, wherein the target SRS resource indication domain value is one of the plurality of SRS resource indication domain values, each target SRS resource indication domain value corresponds to one PUSCH power control parameter identification set, and the PUSCH power control parameter identification sets corresponding to different target SRS resource indication domain values are different; or, the PUSCH power control parameter identification sets corresponding to part of the target SRS resource indication threshold values in the target SRS resource indication threshold values are the same.
21. A network side device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, performs the steps of the method for determining physical uplink shared channel transmit power as claimed in any one of claims 12 to 16.
22. A computer readable storage medium, having stored thereon a computer program which, when executed by a processor, implements the steps of the method for determining a physical uplink shared channel transmit power as claimed in any of claims 12 to 16.
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