CN111970726B - Data transmission method, device, related equipment and storage medium - Google Patents
Data transmission method, device, related equipment and storage medium Download PDFInfo
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- H—ELECTRICITY
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- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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- H—ELECTRICITY
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- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W24/08—Testing, supervising or monitoring using real traffic
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- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H04W72/04—Wireless resource allocation
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Abstract
The invention discloses a data transmission method, a data transmission device, network equipment, a terminal and a storage medium. The method comprises the following steps: the network equipment configures 1 channel state information report configuration for the terminal and configures associated Q1 channel state information resource configurations for the channel state information report; wherein, when configuring the channel state information report configuration, configuring a report quality parameter as a channel state information reference signal resource indicator (CRI) -Reference Signal Received Power (RSRP); q1 is an integer greater than 1; receiving Q2 group beam information reported by the terminal based on the configuration information; q2 is less than or equal to Q1.
Description
Technical Field
The present invention relates to the field of wireless communications, and in particular, to a data transmission method, apparatus, related device, and storage medium.
Background
The new air interface (NR) standard supports high-band communication, which has the following characteristics: 1) An analog-digital hybrid beam forming structure is adopted, and beam (especially analog beam) based operation is a great difference from low frequency, so that a related flow of beam management is designed in the related technology; 2) Based on that, in the related art, a multiple-antenna panel (Multi-panel) is also considered in beam management to counter signal blocking (block), and for high frequency communication, the Multi-transmission-reception-point (mulli-TRP) transmission mechanism in question is also an effective means for countering block, so it is necessary to further enhance beam management to improve robustness of high frequency communication.
However, the current beam management procedure in the related art does not support the Mutli-TRP transmission mechanism well.
Disclosure of Invention
In order to solve the existing technical problem, embodiments of the present invention provide a data transmission method, an apparatus, a related device, and a storage medium.
The technical scheme of the embodiment of the invention is realized as follows:
the embodiment of the invention provides a data transmission method, which is applied to network equipment and comprises the following steps:
for 1 channel state information report configuration configured for a terminal, configuring associated Q1 channel state information resource configurations for the channel state information report; wherein,
configuring a report quality parameter as a channel state information reference signal resource indicator (CRI) -Reference Signal Received Power (RSRP) when configuring the channel state information report configuration; q1 is an integer greater than 1;
receiving Q2 group beam information reported by the terminal based on configuration information; q2 is less than or equal to Q1.
In the scheme, Q2 is smaller than Q1; when configuring the channel state information report configuration, the method further comprises:
the value of Q2 is configured.
In the foregoing solution, when configuring the channel state information report configuration, the method further includes:
configuring a group-based beam reporting parameter to be de-enabled; each group of beam information reported by the terminal is configured to include M first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, wherein the X first signal indicators are respectively from different groups in the Q2 group beam information; wherein the first signal comprises a channel state information reference signal (CSI-RS) and/or a synchronization signal/physical broadcast channel block (SSB).
In the foregoing solution, when configuring the channel state information report configuration, the method further includes:
configuring a group-based beam reporting parameter as enabled; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to the N first signal indicators, or can simultaneously receive channel state information resources corresponding to different groups of combined beam information in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
The embodiment of the invention also provides a data transmission method, which is applied to a terminal and comprises the following steps:
receiving configuration information; the configuration information comprises channel state information report configuration and Q1 channel state information resource configuration related to the channel state information report configuration; q1 is an integer greater than 1;
when the report quality parameter in the channel state information report configuration is CRI-RSRP, reporting Q2 group beam information to a network side based on the configuration information; q2 is less than or equal to Q1.
In the scheme, Q2 is smaller than Q1; the configuration information also includes a value of Q2.
In the above scheme, the group-based beam reporting parameter in the channel state information reporting configuration is de-enabled; each group of beam information reported by the terminal comprises M first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, wherein the X first signal indicators are respectively from different groups in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
In the above scheme, the group-based beam reporting parameter in the channel state information reporting configuration is enabled; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to the N first signal indicators, or can simultaneously receive channel state information resources corresponding to different groups of combined beam information in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
An embodiment of the present invention further provides a data transmission device, including:
a configuration unit, configured to configure associated Q1 channel state information resource configurations for 1 channel state information report configuration configured for a terminal; when the channel state information report configuration is configured, configuring a report quality parameter as CRI-RSRP; q1 is an integer greater than 1;
a first receiving unit, configured to receive Q2 group beam information reported by the terminal based on configuration information; q2 is less than or equal to Q1.
In the foregoing solution, the configuration unit is further configured to configure a value of Q2 when configuring the channel state information report.
In the foregoing solution, the configuring unit is further configured to configure the beam reporting parameter based on the group as de-enable when configuring the channel state information report configuration; each group of beam information reported by the terminal is configured to include M first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, wherein the X first signal indicators are respectively from different groups in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
In the foregoing solution, the configuring unit is further configured to configure the group-based beam report parameter as enable when configuring the channel state information report configuration; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to the N first signal indicators, or can simultaneously receive channel state information resources corresponding to different groups of combined beam information in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
An embodiment of the present invention further provides a data transmission apparatus, including:
a second receiving unit for receiving the configuration information; the configuration information comprises channel state information report configuration configured for the terminal and Q1 channel state information resource configurations related to the channel state information report configuration; q1 is an integer greater than 1;
the reporting unit is used for reporting Q2 group beam information to a network side based on the configuration information when the report quality parameter in the channel state information report configuration is CRI-RSRP; q2 is less than or equal to Q1.
In the scheme, Q2 is smaller than Q1; the configuration information also includes a value of Q2.
In the above solution, the beam reporting parameter based on the group in the channel state information reporting configuration is de-enable; each reported group of beam information comprises M first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, wherein the X first signal indicators are respectively from different groups in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
In the above scheme, the group-based beam reporting parameter in the channel state information reporting configuration is enabled; each set of reported beam information comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to the N first signal indicators, or can simultaneously receive channel state information resources corresponding to different sets of combined beam information in the Q2 set of beam information; wherein the first signal comprises CSI-RS and/or SSB.
An embodiment of the present invention further provides a network device, including: a first processor and a first communication interface; wherein,
the first processor is configured to configure, for 1 csi report configuration configured for a terminal, Q1 csi resource configurations for the csi report configuration through the first communication interface; when the channel state information report configuration is configured, configuring a report quality parameter as CRI-RSRP; q1 is an integer greater than 1;
the first communication interface is configured to receive Q2 group beam information reported by the terminal based on configuration information; q2 is less than or equal to Q1.
In the foregoing solution, the first processor is further configured to configure a value of Q2 when configuring the channel state information report.
In the foregoing solution, the first processor is further configured to configure the beam reporting parameter based on a group as disable when configuring the channel state information report configuration; each group of beam information reported by the terminal is configured to include M first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, wherein the X first signal indicators are respectively from different groups in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
In the foregoing solution, the first processor is further configured to configure a beam reporting parameter based on a group as enabled when configuring the channel state information report configuration; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to the N first signal indicators, or can simultaneously receive channel state information resources corresponding to different groups of combined beam information in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
An embodiment of the present invention further provides a terminal, including: a second processor and a second communication interface; wherein,
the second communication interface is used for receiving configuration information; the configuration information comprises channel state information report configuration configured for the terminal and Q1 channel state information resource configurations associated with the channel state information report configuration; q1 is an integer greater than 1;
the second processor is configured to, when a report quality parameter in a channel state information report configuration is CRI-RSRP, report Q2 group beam information to a network side through the second communication interface based on the configuration information; q2 is less than or equal to Q1.
In the scheme, Q2 is smaller than Q1; the configuration information also includes a value of Q2.
In the above solution, the beam reporting parameter based on the group in the channel state information reporting configuration is de-enable; each group of beam information reported by the terminal comprises M first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, wherein the X first signal indicators are respectively from different groups in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
In the above scheme, the group-based beam reporting parameter in the channel state information reporting configuration is enabled; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to the N first signal indicators, or can simultaneously receive channel state information resources corresponding to different groups of combined beam information in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
An embodiment of the present invention further provides a network device, 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 methods of the network device side when running the computer program.
An embodiment of the present invention further provides a terminal, which is characterized in that the terminal includes: a second processor and a second memory for storing a computer program capable of running on the processor,
wherein the second processor is configured to execute the steps of any of the above-mentioned methods of the terminal side when running the computer program.
An embodiment of the present invention 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 network device side or implements the steps of any method on the terminal side.
According to the data transmission method, the data transmission device, the related equipment and the storage medium provided by the embodiment of the invention, network equipment configures associated Q1 channel state information resource configurations for a channel state information report aiming at 1 channel state information report configuration configured for a terminal; when the channel state information report configuration is configured, configuring a report quality parameter as CRI-reference RSRP; q1 is an integer greater than 1; and after the terminal receives the configuration information, when a report quality parameter in the channel state information report configuration is CRI-RSRP, reporting Q2 group beam information to the network equipment based on the configuration information, wherein Q2 is less than or equal to Q1, and the network side configures 1 channel state information report configuration association Q1 configured for the terminal and more than 1 channel state information resource configuration for channel measurement, so that the terminal reports the Q2 group beam information, and the network side can determine a beam used by each TRP according to the Q2 group beam information.
Drawings
Fig. 1 is a schematic diagram of a beam used for data transmission between a base station and a terminal;
fig. 2 is a schematic diagram of another beam used for data transmission between a base station and a terminal;
FIG. 3 is a schematic diagram of a Multi-TRP transport mechanism;
fig. 4 is a schematic flowchart of a method for data transmission at a network device side according to an embodiment of the present invention;
fig. 5 is a schematic flowchart of a method for terminal-side data transmission according to an embodiment of the present invention;
FIG. 6 is a flowchart illustrating a method of data transmission according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a data transmission device according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of another data transmission apparatus according to an embodiment of the present invention;
FIG. 9 is a diagram illustrating a network device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a data transmission system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As described above, the high band communication has the following features:
1) An analog-digital hybrid beam forming framework is adopted, the operation based on the beam (especially the analog beam) is a different point with a large low frequency and is a characteristic of the protocol design key consideration, and for the point, the related flow of beam management is designed in the related technology;
2) For this reason, in the R15 version, the Multi-panel countermeasure against the block is also considered as appropriate for the beam management.
Currently, the Mutli-TRP transmission mechanism is being discussed, and for high frequency, mutli-TRP is also an effective means to fight against the block, so it is necessary to further enhance the beam management properly to improve the robustness of high frequency communication.
However, the related procedures of beam management in the related art do not support the Mutli-TRP transmission mechanism well, and thus the characteristics of the Mutli-TRP transmission mechanism that effectively resists against the block cannot be embodied, thereby reducing the robustness of the system.
The reason why the related procedures of beam management in the related art cannot support the Mutli-TRP transmission mechanism well is analyzed in detail below.
First, a downlink beam management procedure in the related art is described.
For downlink, measurement and reporting of beams may be performed based on synchronization signal/physical broadcast channel blocks (SSBs) and/or channel state information reference signals (CSI-RS). Taking CSI-RS for beam measurement and Reporting as an example, in an NR system, N (greater than or equal to 1) Reporting configurations (Reporting Settings) (which may be referred to as CSI Reporting configurations (CSI-reportconfigurations)), M (greater than or equal to 1) Resource configurations (Resource Settings) (which may be referred to as CSI Resource configurations (CSI-ResourceConfig)), 1 or 2 trigger state lists (trigger state lists) (for dynamically triggering multiple CSI Resource Sets in aperiodic CSI Resource Settings, including an aperiodic trigger state list (aperiodicstatlistlist) and a semi-persistent physical uplink shared channel trigger state list (semi-persistent pusch-statelistlist)) may be configured for a User Equipment (UE). Each CSI Reporting Setting may be configured to be a periodic, semi-persistent, or aperiodic Reporting manner, when report quality (Reporting quality) in Radio Resource Control (RRC) signaling is configured to be CRI-RSRP (indicating that UE reports CSI-RS Resource indicator (CRI) and L1-Reference Signal Received Power (RSRP)), that is, downlink beam measurement and L1-RSRP Reporting are performed according to non-zero power (NZP CSI-RS), the network side associates a CSI Resource Setting for each CSI Reporting Setting through a Resource (Resource for channel measurement) in RRC signaling, and the time domain behavior of the CSI Reporting Setting and the time domain behavior of the CSI Resource Setting need to satisfy the relationship shown in table 1.
TABLE 1
Each CSI Resource Setting may include S (greater than or equal to 1) CSI Resource Sets, and each CSI Resource Set may include a number of NZP CSI-RS resources. For periodic or semi-persistent CSI Resource Setting, the limit S =1. The network side may configure a group-based beam report (groupbasedbeamrreporting) in the RRC signaling as enabled (enabled) or disabled (disabled), when the groupbasedbeamrreporting is configured as enabled, the UE reports 2 different CRI each time, and the UE may simultaneously receive data on NZP CSI-RS resources corresponding to the two CRI; when groupbasedbeamrreporting is configured as disabled, the UE reports nrofReportedRS CRI each time.
For example, a next generation base station (gNB) may configure a periodic CSI Reporting Setting for a UE and associate a periodic CSI Resource Setting for the UE, where the CSI Resource Setting includes 1 CSI Resource Set, and the CSI Resource Set includes a plurality of NZP CSI-RS resources. When groupBasedBeamReporting is configured as disabled, the UE reports nrofReportedRS CRI each time, but the UE cannot necessarily receive data on NZP CSI-RS resources (beams) corresponding to these CRI at the same time, because in practical application, the beam corresponding to the CRI with the largest L1-RSRP is generally used when the base station sends data to the UE, as shown in fig. 1; when groupBasedBeamReporting is configured to be enabled, the UE reports 2 CRI each time, which may be used for the gmnb Multi-panel transmission and the UE also has a plurality of panels, for example, the UE may simultaneously use 2 panels to respectively receive data transmitted by NZP CSI-RS resources corresponding to the 2 CRI, so that the gNB may respectively use beams corresponding to the 2 CRI to send data to the UE when actually sending data to the UE, as shown in fig. 2.
Secondly, the reason why the related procedures of beam management in the related art cannot support the Mutli-TRP transmission mechanism well is analyzed in detail.
The Multi-TRP transmission mechanism is another effective means for fighting against the block, and as shown in fig. 3, a more typical scenario is that TRP1 and TRP2 respectively use different beams to perform data transmission with Panel 1 and Panel2 of the UE, thereby reducing the probability of the block occurring.
At present, the related procedures of the beam management of the related art cannot support such operations of the above scenarios well, in other words, in the scenario where Multi-TRP exists, if the related procedures of the beam management of the related art are directly used, there are some problems, and the specific analysis is as follows:
a first possible way of operating is: in the scenario shown in fig. 3, a network side configures two periodic CSI Reporting settings, namely CSI Reporting Setting 1 and CSI Reporting Setting 2, for a UE; the CSI Reporting Setting 1 is associated with a periodic CSI Resource Setting 1, wherein 1 CSI Resource Setting 1 is included, the CSI Resource Setting 1 includes 5 NZP CSI-RS resources (NZP CSI-RS Resource 1-1 to NZP CSI-RS Resource 1-5), the two are respectively corresponding to 5 Tx beams (sending beams) of the TRP1, the network side am configures group pBasedBeamreporting = disabled of the CSI Reporting Setting 1 for the UE, and nroflortedRS =2; the CSI Reporting Setting 2 is associated with a periodic CSI Resource Setting 2, wherein the periodic CSI Resource Setting 2 comprises 1 CSI Resource Setting 2, the CSI Resource Setting 2 comprises 5 NZP CSI-RS resources (NZP CSI-RS Resource2-1 to NZP CSI-RS Resource 2-5), the two groups respectively correspond to 5 Tx beams of the TRP2, the network side configures the group pBasedBeamreporting of the CSI Reporting Setting 2 for the UE to be disabled, and the nrofReportRS =2.
Then, for CSI Reporting Setting 1, it is assumed that, through measurement, the UE finds that the performance of receiving the NZP CSI-RS Resource 1-1 by using Panel 1 is better, and the performance of receiving the NZP CSI-RS Resource1-2 by using Panel2 is better, so that the UE can report the CRI 1-1 (corresponding to the NZP CSI-RS Resource 1-1) and the CRI1-2 (corresponding to the NZP CSI-RS Resource 1-2); for CSI Reporting Setting 2, it is assumed that through measurement, the UE finds that the performance of receiving NZP CSI-RS Resource2-1 by using Panel 1 is better, and the performance of receiving NZP CSI-RS Resource 2-2 by using Panel2 is better, so that the UE can report CRI 2-1 (corresponding to NZP CSI-RS Resource 2-1) and CRI 2-2 (corresponding to NZP CSI-RS Resource 2-2).
In this case, there are problems in that: when a network side transmits Multi-TRP according to reported information of a user, firstly, it needs to determine which beam each TRP uses respectively for transmitting to a UE, and the beams used by different TRPs need to be simultaneously received by the UE, however, the gNB cannot make such a judgment only according to CRI 1-1 and CRI1-2, CRI 2-1 and CRI 2-2 reported by the UE. So that it may occur: if TRP1 uses beam1-1 and TRP2 uses beam2-1 for Multi-TRP transmission, then both beams correspond to the UE's Panel 1, but if the UE receives data using Panel 1, there is a possibility that both beams 1-1 and beam2-1 cannot be received at the same time, or there is a large interference between the TRP1 and TRP2 transmitted data.
A second possible way of operating is: in the scenario shown in fig. 3, a network side configures a periodic CSI Reporting Setting for a UE; the CSI Reporting Setting is associated with a periodic CSI Resource Setting, wherein the CSI Resource Setting comprises 1 CSI Resource Setting, the CSI Resource Setting comprises 10 NZP CSI-RS resources (NZP CSI-RS Resource 1-1 to NZP CSI-RS Resource 1-5 and NZP CSI-RS Resource2-1 to NZP CSI-RS Resource 2-5), the CSI Resource Setting corresponds to 5 Tx beams of TRP1 and 5 Tx beams of TRP2 respectively, and the network side configures the grouped pBroadbeamedBeamging of the CSI Reporting Setting for the UE to be enabled.
Assuming that after measurement, the UE finds that the performance of receiving the NZP CSI-RS Resource 1-1 by using Panel 1 is best, the performance of receiving the NZP CSI-RS Resource1-2 by using Panel2 is best and the performance of receiving the NZP CSI-RS Resource1-2 by using Panel2 is 2-2 times, so the UE can report CRI 1-1 and CRI 1-2. In this case, there are problems in that: the network side cannot determine which Beam each TRP uses for transmission to the UE respectively, because according to the reported result of the UE, CRI 1-1 and CRI1-2 both correspond to the TRP1 Beam and do not have the TRP2 Beam, but the probability that TRP1 is blocked is far greater than that when TRP1 and TRP2 are used for Multi-TRP transmission, i.e. the TRP1 uses Beam1-1 and TRP2 and uses Beam2-2 to perform Multi-TRP transmission system is more robust.
A third possible way of operating is: in the scenario shown in fig. 3, a network side configures two periodic CSI Reporting settings, namely CSI Reporting Setting 1 and CSI Reporting Setting 2, for a UE; the CSI Reporting Setting 1 is associated with a periodic CSI Resource Setting 1, wherein 1 CSI Resource Setting 1 is included, the CSI Resource Setting 1 comprises 5 NZP CSI-RS resources (NZP CSI-RS Resource 1-1 to NZP CSI-RS Resource 1-5), the two groups respectively correspond to 5 Tx beads of the TRP1, and the network side configures the grouped BeadedBeamreporting of am CSI Reporting Setting 1 for the UE to be enabled; the CSI Reporting Setting 2 is associated with a periodic CSI Resource Setting 2, wherein the periodic CSI Resource Setting 2 comprises 1 CSI Resource Setting 2, the CSI Resource Setting 2 comprises 5 NZP CSI-RS resources (NZP CSI-RS Resource2-1 to NZP CSI-RS Resource 2-5) which respectively correspond to 5 Tx beams of the TRP2, and the network side configures the grouped Beading Reporting of the CSI Reporting Setting 2 for the UE to be enabled.
Then, for CSI Reporting Setting 1, it is assumed that, through measurement, the UE finds that the performance of receiving the NZP CSI-RS Resource 1-1 by using Panel 1 is better, and the performance of receiving the NZP CSI-RS Resource1-2 by using Panel2 is better, so that the UE can report the CRI 1-1 (corresponding to the NZP CSI-RS Resource 1-1) and the CRI1-2 (corresponding to the NZP CSI-RS Resource 1-2); for CSI Reporting Setting 2, UE is measured, and it is found that the performance of receiving NZP CSI-RS Resource2-1 by using Panel 1 is better, and the performance of receiving NZP CSI-RS Resource 2-2 by using Panel2 is better, so that the UE can report CRI 2-1 (corresponding to NZP CSI-RS Resource 2-1) and CRI 2-2 (corresponding to NZP CSI-RS Resource 2-2).
In this case, there are problems in that: when the network side performs Multi-TRP transmission according to the reported information of a user, firstly, it needs to be determined which Beam each TRP uses respectively for transmitting to the UE, and the beams used by different TRPs need to be simultaneously received by the UE, however, the gNB only cannot make such a judgment according to the CRI 1-1 and CRI1-2, CRI 2-1 and CRI 2-2 reported by the UE, specifically, according to the reporting result of the UE, the network side knows whether the UE can simultaneously receive the Beam1-1 and the Beam1-2 and can also simultaneously receive the Beam2-1 and the Beam2-2, but the network side still does not know whether the Beam2-1 can simultaneously perform Multi-TRP transmission by using the Beam1-1 and the TRP2 and the Beam2-2 by using the TRP1 and the TRP 2.
In summary, the beam management process in the Rel 15 version protocol cannot support the Multi-TRP data transmission at high frequency well, cannot enable the characteristics against high frequency block well, and can reduce the robustness of the system.
Based on this, in various embodiments of the present invention, 1 Channel state information report configuration association Q1>1 Channel state information resource configuration configured for a terminal by a network side is used for Channel Measurement (expressed in english as Channel Measurement), so that the terminal reports Q2 sets of beam information, and the network side can determine a beam used by each TRP according to the Q2 sets of beam information.
An embodiment of the present invention provides a data transmission method, which is applied to a network device (a base station (e.g., a gtnb in a fifth generation mobile communication technology (5G) system, etc.), and as shown in fig. 4, the method includes:
step 401: configuring related Q1 channel state information Resource configurations (expressed in English as CSI Resource Setting) for the channel state information report aiming at 1 channel state information report configuration (expressed in English as CSI Reporting Setting) configured by a terminal;
when the channel state information report configuration is configured, configuring a report quality parameter (English expression is reportQuantity) as CRI-RSRP; q1 is an integer greater than 1.
In practical application, the beam measurement and reporting may be performed based on the CSI-RS, the beam measurement and reporting may also be performed based on the SSB, or the beam measurement and reporting may also be performed based on the CSI-RS and the SSB, so that the representation form of the channel state information may be the CSI-RS, the SSB, or the CSI-RS and the SSB.
Based on this, the network device configures a concrete representation form of the channel state information for the terminal, and configures the concrete representation form as a CSI-RS when performing beam measurement and reporting based on the CSI-RS; when the beam measurement and the report are carried out based on the SSB, the SSB is configured; and when the wave beam measurement and report are carried out based on the CSI-RS and the SSB, the CSI-RS and the SSB are configured.
Here, in actual application, the network device may configure a representation of the channel state information when configuring the channel state information reporting configuration.
In practical application, in order to reduce signaling overhead, the configuration of the configuration information in step 401 may be performed by using an existing configuration message, taking CSI-RS as an example, for example, the following information is added to the existing configuration message:
in practical application, more than or equal to 1 csi report configuration may be configured for the terminal, and for each csi report configuration, more than 1 csi resource configuration may be associated with the corresponding csi report configuration.
In practical application, the configured csi report configuration for the terminal may be configured as a periodic, semi-persistent, or aperiodic reporting manner.
Step 402: and receiving Q2 group beam information reported by the terminal based on the configuration information.
Wherein Q2 is less than or equal to Q1.
Each set of beam information may include a plurality (also understood to be a number) of first signal indicators and corresponding L1-RSRPs.
In practical application, when Q2 is smaller than Q1, the network device further needs to configure a value of Q2, so that the terminal can acquire the number of groups of reported beam information.
Based on this, in an embodiment, when configuring the channel state information reporting configuration, the method may further include:
the value of Q2 is configured.
That is, the value of Q2 is indicated in the channel state information reporting configuration.
Here, in actual application, the network device may determine the value of Q2 as needed.
Correspondingly, when Q2 is smaller than Q1, when the terminal reports Q2 groups of beam information, the terminal may also report the identifier of the channel state information resource configuration corresponding to each group of beam information at the same time, so that the network device may know the channel state information resource configuration corresponding to each group of beam information.
Based on this, in an embodiment, when receiving Q2 group beam information reported by the terminal based on configuration information, the method may further include:
and receiving identifiers, such as index related information, of channel state information resource configurations corresponding to each group of beam information reported by the terminal.
In practical applications, when configuring the channel state information report configuration, it is necessary to configure a group-based beam reporting parameter (expressed in english as groupBasedBeamReporting), and the group-based beam reporting parameter may be configured as enabled or disabled. The network device may determine whether the group-based beam reporting parameter is configured to enabled or configured to disabled, as desired.
When the beam report parameter based on the group is configured to be disabled, configuring each group of beam information reported by the terminal to include M first signal indicators and L1-RSRP corresponding to each first signal indicator; this means that the terminal can simultaneously receive the channel state information resources corresponding to the X first signal indicators, which are respectively from different groups in the Q2 group beam information.
When the beam report parameter based on the group is configured to be enabled, each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive the channel state information resources corresponding to the N first signal indicators, or can simultaneously receive the channel state information resources corresponding to different sets of combined beam information in the Q2 set of beam information.
Here, the value of M is the same as the number of CRI (nrofReportedRS) reported by the terminal each time when a group-based beam reporting parameter (i.e., groupbasedbeamrreporting) is configured to disabled in the related art, and therefore, in the embodiment of the present invention, M may be defined as nrofReportedRS.
The value of N may be determined as needed, for example, the value of N may be determined according to the number of panels (panels) of the terminal antenna, and for example, the value of N may be determined according to the number of beams that the terminal may receive at the same time. The value of N may be 2, etc.
In practical application, measurement and reporting of beams can be performed based on CSI-RS and/or SSB.
Based on this, in an embodiment, the first signal includes CSI-RS and/or SSB.
Wherein the first signal is determined according to a representation of channel state information configured by the network device; specifically, when the configured representation of the channel state information is a CSI-RS, the first signal contains the CSI-RS; when the configured representation of the channel state information is an SSB, the first signal includes the SSB; when the configured representation of the channel state information is CSI-RS and SSB, the first signal comprises the CSI-RS and the SSB.
When the first signal comprises a CSI-RS, the first signal indicator comprises a CRI; when the first signal comprises an SSB, the first signal indicator comprises an SSB sequence number; when the first signal includes CSI-RS and SSB, the first signal indicator includes CRI and SSB.
Correspondingly, an embodiment of the present invention provides a data transmission method, which is applied to a terminal, and as shown in fig. 5, the method includes:
step 501: receiving configuration information;
here, the configuration information includes a channel state information report configuration and Q1 channel state information resource configurations associated with the channel state information report configuration; q1 is an integer greater than 1.
More specifically, the configuration information may include greater than or equal to 1 csi reporting configuration, and greater than 1 csi resource configuration associated with each csi reporting configuration.
Step 502: and when the report quality parameter in the channel state information report configuration is CRI-RSRP, reporting Q2 group beam information to the network side based on the configuration information.
Wherein Q2 is less than or equal to Q1.
Here, in practical application, when Q2 is smaller than Q1, the network device further needs to configure a value of Q2, so that the terminal can know the number of groups of reported beam information.
Based on this, in an embodiment, when Q2 is smaller than Q1, the configuration information further includes a value of Q2.
Correspondingly, when reporting the Q2 group beam information, the method may further include:
and reporting the identifier of the channel state information resource configuration corresponding to each group of beam information to the network side.
When the group-based beam reporting parameter in the channel state information reporting configuration is disabled and each group of beam information configured in the channel state information reporting configuration includes M first signal indicators and L1-RSRP corresponding to each first signal indicator, each group of beam information in Q2 groups of beam information reported by the terminal includes M first signal indicators and L1-RSRP corresponding to each first signal indicator, which means that the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, where the X first signal indicators are respectively from different groups of Q2 groups of beam information.
When the group-based beam reporting parameters in the channel state information reporting configuration are enabled, each group of beam information reported by the terminal includes N first signal indicators and L1-RSRP corresponding to each first signal indicator, which means that the terminal can simultaneously receive channel state information resources corresponding to the N first signal indicators, or can simultaneously receive channel state information resources corresponding to different groups of combined beam information in Q2 group of beam information.
An embodiment of the present invention provides a data transmission method, as shown in fig. 6, where the method includes:
step 601: the method comprises the steps that network equipment configures associated Q1 channel state information resource configurations for a channel state information report aiming at 1 channel state information report configuration configured for a terminal;
when the channel state information report configuration is configured, configuring a report quality parameter as CRI-reference RSRP; q1 is an integer greater than 1.
Step 602: and after the terminal receives the configuration information, when the report quality parameter in the channel state information report configuration is CRI-RSRP, reporting Q2 group beam information to the network equipment based on the configuration information.
Here, Q2 is less than or equal to Q1.
It should be noted that: the specific processing procedures of the network device and the terminal are described in detail above, and are not described herein again.
In the data transmission method provided by the embodiment of the invention, network equipment configures associated Q1 channel state information resource configurations for a channel state information report aiming at 1 channel state information report configuration configured for a terminal; when the channel state information report configuration is configured, configuring a report quality parameter as CRI-reference RSRP; q1 is an integer greater than 1; and after the terminal receives the configuration information, when a report quality parameter in the channel state information report configuration is CRI-RSRP, reporting Q2 group beam information to the network equipment based on the configuration information, wherein Q2 is less than or equal to Q1, and the network side configures 1 channel state information report configuration association Q1 configured for the terminal and more than 1 channel state information resource configuration for channel measurement, so that the terminal reports the Q2 group beam information, and the network side can determine a beam used by each TRP according to the Q2 group beam information.
In addition, when the beam report parameter based on the group is configured to be disabled and each group of beam information reported by the terminal is configured to include M first signal indicators and L1-RSRP corresponding to each first signal indicator, the network side can know that the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, and the X first signal indicators are respectively from different groups in the Q2 group of beam information, so as to determine the beam used by each TRP.
When the beam reporting parameters based on the group are configured to be enabled, each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the network side can know that the terminal can simultaneously receive the channel state information resources corresponding to the N first signal indicators or can simultaneously receive the channel state information resources corresponding to different groups of combined beam information in the Q2 group beam information, so as to determine the beam used by each TRP according to the channel state information resources.
The present invention will be described in further detail with reference to the following application examples.
In the embodiment of the application, the network side already determines which two TRPs may be used for joint transmission, and performs beam measurement and reporting based on the CSI-RS.
Assuming that 1 or more CSI Reporting settings are configured on the network side, for a certain CSI Reporting Setting configured for the UE on the network side, Q1=2 CSI Resource settings are associated for channel measurement, and the Reporting quantity of the CSI Reporting Setting is configured as cr-RSRP, wherein groupbasedbeamdreporting = disabled and nrofreportrs =2.
Under such configuration, the UE reports 2 sets (i.e., Q2= Q1) of beam information, each set of beam information includes nrofReportedRS =2 CRIs and their corresponding L1-RSRPs, for example, the 1 st set of beam information is { (CRI 1, L1-RSRP 1), (CRI 2, L1-RSRP 2) }, and the 2 nd set of beam information is { (CRI 3, L1-RSRP 3), (CRI 4, L1-RSRP 4) }.
The network side may know, according to the beam information reported by the UE, that the UE can simultaneously receive one beam in the 1 st group of beam information and one beam in the 2 nd group of beam information, for example, the UE may simultaneously receive CRI1 and CRI3, or CRI1 and CRI4, or CRI2 and CRI3, or CRI2 and CRI4, so that the network side may select different beams for the two TRPs.
Application example two
In the application embodiment, the network side already determines which three TRPs are possibly used for joint transmission, and performs beam measurement and reporting based on the CSI-RS; meanwhile, the UE selects the better 2 TRPs of the three TRPs.
Assuming that 1 or more CSI Reporting settings are configured on the network side, for a certain CSI Reporting Setting configured for the UE on the network side, Q1=3 CSI Resource settings are associated for channel measurement, and the Reporting quantity of the CSI Reporting Setting is configured as cr-RSRP, wherein the grouped beam Reporting = disabled and nrofreported rs =2 of the CSI Reporting Setting, and Q2=2 of the CSI Reporting Setting.
In this case, the UE reports Q2=2 (Q2 < Q1) sets of beam information, each set of beam information includes nrofReportedRS =2 CRIs and L1-RSRP corresponding thereto, and reports index related information of CSI resource setting corresponding to each set of beam information, for example, the 1 st set of beam information is { (CRI 1, L1-RSRP 1), (CRI 2, L1-RSRP 2) }, corresponds to the 1 st CSI resource setting of Q1=3 CSI resource setting, the 2 nd set of beam information is { (CRI 3, L1-RSRP 3), (CRI 4, L1-RSRP 4) }, corresponds to the 3 rd CSI resource setting of Q1=3 CSI resource setting.
The network side can know that the UE can simultaneously receive one beam in the group 1 beam and one beam in the group 2 beam information according to the reported beam information, for example, the UE can simultaneously receive CRI1 and CRI3, or CRI1 and CRI4, or CRI2 and CRI3, or CRI2 and CRI4, so that the network side can select different beams for the two TRPs.
Application example three
The scheme of the application embodiment is suitable for the self-adaptive transmission or the combined transmission of the Multi-TRP or the Multi-Panel.
Assuming that 1 or more CSI Reporting settings are configured on the network side, Q1=2 CSI Resource settings are associated for channel measurement for a certain CSI Reporting Setting configured for UE on the network side, and the Reporting quantity of the CSI Reporting Setting is configured as cri-RSRP, and the groupBasedBeamreporting = enabled.
In this configuration, the UE reports 2 sets (i.e., Q2= Q1) of beam information, each set of beam information includes N =2 CRIs and corresponding L1-RSRP, for example, of the 2 sets of beam information reported by the UE, the 1 st set of beam information is { (CRI 1, L1-RSRP 1), (CRI 2, L1-RSRP 2) }, and the 2 nd set of beam information is { (CRI 3, L1-RSRP 3), (CRI 4, L1-RSRP 4) }.
According to the beam information reported by the UE, the network side can know that the UE can simultaneously receive the NZP CSI-RS resources (also can be understood as beams) corresponding to the 2 CRIs of the 1 st group of beam information, can also simultaneously receive the NZP CSI-RS resources corresponding to the 2 CRIs of the 2 nd group of beam information, can also simultaneously receive the 1 st CRI of the first group of beam information and the NZP CSI-RS resources corresponding to the 2 nd CRI of the 2 nd group of beam information, and can also simultaneously receive the 1 st CRI of the 2 nd group of beam information and the NZP CSI-RS resources corresponding to the 2 nd CRI of the 1 st group of beam information. For example, the UE may receive NZP CSI-RS resources corresponding to CRI1 and CRI2, NZP CSI-RS resources corresponding to CRI3 and CRI4, NZP CSI-RS resources corresponding to CRI1 and CRI4, or NZP CSI-RS resources corresponding to CRI3 and CRI 2.
Application example four
The scheme of the application embodiment is suitable for self-adaptive transmission or combined transmission of the Multi-TRP and the Multi-Panel.
Assuming that 1 or more CSI Reporting settings are configured on the network side, for a certain CSI Reporting Setting configured for the UE on the network side, Q1=2 CSI Resource settings are associated for channel measurement, and the Reporting quantity of the CSI Reporting Setting is configured as cr-RSRP, and groupbasedbeamdeaching = enabled of the CSI Reporting Setting.
In this configuration, the UE reports 2 sets (i.e., Q2= Q1) of beam information, each set of beam information includes N =4 CRIs and corresponding L1-RSRP, for example, of the 2 sets of beam information reported by the UE, the 1 st set of beam information is { (CRI 1, L1-RSRP 1), (CRI 2, L1-RSRP 2), (CRI 3, L1-RSRP 3), (CRI 4, L1-RSRP 4) }, and the 2 nd set of beam information includes { (CRI 5, L1-RSRP 5), (CRI 6, L1-RSRP 6), (CRI 7, L1-RSRP 7), (CRI 8, L1-RSRP 8) }.
The network side can know that the UE can simultaneously receive the NZP CSI-RS resources corresponding to the 4 CRIs of the 1 st group of beam information according to the beam information reported by the UE, can also simultaneously receive the NZP CSI-RS resources corresponding to the 4 CRIs of the 2 nd group of beam information, can also simultaneously receive the first 2 CRIs of the 1 st group of beam information and the NZP CSI-RS resources corresponding to the last 2 CRIs of the 2 nd group of beam information, and can also simultaneously receive the first 2 CRIs of the 2 nd group of beam information and the NZP CSI-RS resources corresponding to the last 2 CRIs of the 1 st group of beam information. For example, the UE may simultaneously receive NZP CSI-RS resources corresponding to CRI1, CRI2, CRI3, and CRI4, or may simultaneously receive NZP CSI-RS resources corresponding to CRI5, CRI6, CRI7, and CRI8, or may simultaneously receive NZP CSI-RS resources corresponding to CRI1, CRI2, CRI7, and CRI8, or may simultaneously receive NZP CSI-RS resources corresponding to CRI5, CRI6, CRI3, and CRI 4.
From the above description, it can be seen that by adopting the scheme of the embodiment of the invention, high-frequency Multi-TRP data transmission can be better supported, so that the high-frequency block resistance characteristic can be realized, and the robustness of the system can be improved.
In order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides a data transmission apparatus, which is disposed on a network device, and as shown in fig. 7, the apparatus includes:
a configuration unit 71, configured to configure, for 1 csi report configuration configured for a terminal, Q1 csi resource configurations for the csi report; when the channel state information report configuration is configured, configuring a report quality parameter as CRI-RSRP; q1 is an integer greater than 1;
a first receiving unit 72, configured to receive Q2 group beam information reported by the terminal based on the configuration information; q2 is less than or equal to Q1.
In an embodiment, the configuring unit 71 is further configured to configure a value of Q2 when configuring the csi report configuration.
In an embodiment, the first receiving unit 72 is further configured to receive, when the terminal reports Q2 groups of beam information based on the configuration information, an identifier of a channel state information resource configuration corresponding to each group of beam information reported by the terminal.
In an embodiment, the configuring unit 71 is further configured to configure the beam reporting parameter based on a group as disabled when configuring the channel state information reporting configuration; each group of beam information reported by the terminal is configured to include M first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, wherein the X first signal indicators are respectively from different groups in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
In an embodiment, the configuring unit 71 is further configured to configure a beam reporting parameter based on a group as enabled when configuring the channel state information reporting configuration; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to the N first signal indicators, or can simultaneously receive channel state information resources corresponding to different groups of combined beam information in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
In actual application, the configuration unit 71 may be implemented by a processor in the data transmission device in combination with a communication interface; the first receiving unit 72 may be implemented by a communication interface in a data transmission device.
In order to implement the method on the terminal side in the embodiment of the present invention, an embodiment of the present invention further provides a data transmission device, which is disposed on a terminal, and as shown in fig. 8, the data transmission device includes:
a second receiving unit 81 for receiving the configuration information; the configuration information comprises channel state information report configuration configured for the terminal and Q1 channel state information resource configurations associated with the channel state information report configuration; q1 is an integer greater than 1;
a reporting unit 82, configured to report, when a report quality parameter in channel state information report configuration is CRI-RSRP, Q2 group beam information to a network side based on the configuration information; q2 is less than or equal to Q1.
Wherein, in one embodiment, Q2 is less than Q1; the configuration information also includes a value of Q2.
In an embodiment, the reporting unit 82 is further configured to report, when reporting the Q2 groups of beam information, an identifier of a channel state information resource configuration corresponding to each group of beam information to a network side.
In an embodiment, the group-based beam reporting parameters in the channel state information reporting configuration are de-enabled; each set of reported beam information comprises M first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, wherein the X first signal indicators are respectively from different groups in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
In an embodiment, the group-based beam reporting parameters in the channel state information reporting configuration are enabled; each reported group of beam information comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to the N first signal indicators, or can simultaneously receive channel state information resources corresponding to different groups of combined beam information in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
In practical application, the second receiving unit 81 may be implemented by a communication interface in a data transmission device; the reporting unit 82 may be implemented by a processor in the data transmission apparatus in combination with a communication interface.
It should be noted that: in the data transmission device provided in the foregoing embodiment, when data transmission is performed, only the division of the program modules is illustrated, and in practical applications, the processing allocation may be completed by different program modules according to needs, that is, the internal structure of the device is divided into different program modules, so as to complete all or part of the processing described above. In addition, the data transmission device and the data transmission method provided in the above embodiments belong to the same concept, and specific implementation processes thereof are described in detail 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 at the network device side in the embodiment of the present invention, an embodiment of the present invention further provides a network device, as shown in fig. 9, where the network device 90 includes:
a first communication interface 91 capable of performing information interaction with a terminal;
the first processor 92 is connected to the first communication interface 91 to implement information interaction with a terminal, and is configured to execute a method provided by one or more technical solutions of the network device side when running a computer program. And the computer program is stored on the first memory 93.
Specifically, the first processor 92 is configured to associate Q1 csi resource configurations for csi reporting configuration through the first communication interface 91 for 1 csi reporting configuration configured for a terminal; when the channel state information report configuration is configured, configuring a report quality parameter as CRI-RSRP; q1 is an integer greater than 1;
the first communication interface 91 is configured to receive Q2 group beam information reported by the terminal based on configuration information; q2 is less than or equal to Q1.
In an embodiment, the first communication interface 91 is further configured to receive, when the terminal reports Q2 groups of beam information based on configuration information, an identifier of channel state information resource configuration corresponding to each group of beam information reported by the terminal.
In an embodiment, the first processor 92 is further configured to configure a value of Q2 when configuring the channel state information report configuration.
In an embodiment, the first processor 92 is further configured to configure the group-based beam reporting parameter as disabled when configuring the channel state information reporting configuration; each group of beam information reported by the terminal is configured to include M first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, wherein the X first signal indicators are respectively from different groups in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
In an embodiment, the first processor 92 is further configured to configure the group-based beam reporting parameter as enabled when configuring the channel state information reporting configuration; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to the N first signal indicators, or can simultaneously receive channel state information resources corresponding to different groups of combined beam information in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
It should be noted that: the specific processing procedures of the first processor 92 and the first communication interface 91 can be understood with reference to the above-described methods.
Of course, in practice, the various components in the network device 90 are coupled together by a bus system 94. It will be appreciated that the bus system 94 is used to enable communications among the components of the connection. The bus system 94 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 94 in fig. 9.
The first memory 93 in the embodiment of the present invention is used to store various types of data to support the operation of the network device 90. Examples of such data include: any computer program for operating on network device 90.
The method disclosed in the above embodiments of the present invention may be applied to the first processor 92, or implemented by the first processor 92. The first processor 92 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the first processor 92. The first Processor 92 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 92 may implement or perform the methods, steps and logic blocks disclosed in the embodiments of the present invention. The general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the first memory 93, and the first processor 92 reads the information in the first memory 93 and performs the steps of the foregoing method in combination with its hardware.
In an exemplary embodiment, the network Device 90 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 modules, and in order to implement the method on the terminal side according to the embodiment of the present invention, as shown in fig. 10, the terminal 100 includes:
the second communication interface 101 can perform information interaction with the network equipment;
and the second processor 102 is connected to the second communication interface 101 to implement information interaction with a network device, and is configured to execute the method provided by one or more technical solutions of the terminal side when running a computer program. And the computer program is stored on the second memory 103.
Specifically, the second communication interface 101 is configured to receive configuration information; the configuration information comprises channel state information report configuration configured for the terminal and Q1 channel state information resource configurations related to the channel state information report configuration; q1 is an integer greater than 1;
the second processor 102 is configured to report, when a report quality parameter in a channel state information report configuration is CRI-RSRP, Q2 group beam information to a network side through the second communication interface 101 based on configuration information; q2 is less than or equal to Q1.
Wherein, in one embodiment, Q2 is less than Q1; the configuration information also includes a value of Q2.
In an embodiment, the second processor 102 is further configured to report, to a network side, an identifier of a channel state information resource configuration corresponding to each group of beam information when reporting the Q2 group of beam information.
In an embodiment, the group-based beam reporting parameters in the channel state information reporting configuration are de-enabled; each group of beam information reported by the terminal comprises M first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to X first signal indicators, wherein the X first signal indicators are respectively from different groups in the Q2 group beam information; wherein the first signal comprises CSI-RS and/or SSB.
In an embodiment, the group-based beam reporting parameters in the channel state information reporting configuration are enabled; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive channel state information resources corresponding to the N first signal indicators, or can simultaneously receive channel state information resources corresponding to different sets of combined beam information in the Q2 set of beam information; wherein the first signal comprises CSI-RS and/or SSB.
It should be noted that: the specific processing procedures of the second processor 102 and the second communication interface 101 can be understood with reference to the above-described methods.
Of course, in practice, the various components in the terminal 100 are coupled together by the bus system 104. It is understood that the bus system 104 is used to enable connected communication between these components. The bus system 104 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 104 in fig. 10.
The second memory 103 in the embodiment of the present invention is used to store various types of data to support the operation of the terminal 100. Examples of such data include: any computer program for operating on the terminal 100.
The method disclosed in the above embodiments of the present invention may be applied to the second processor 102, or implemented by the second processor 102. The second processor 102 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 102. The second processor 102 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 102 may implement or perform the methods, steps and logic blocks disclosed in the embodiments of the present invention. The general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the second memory 103, and the second processor 102 reads the information in the second memory 103, and completes the steps of the foregoing method in combination with its hardware.
In an exemplary embodiment, the terminal 100 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 aforementioned methods.
It will be appreciated that the memories (first memory 93, second memory 103) of embodiments of the invention may be volatile or non-volatile memories, and may include both volatile and non-volatile 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 memory described in connection with the embodiments of the invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides a data transmission system, as shown in fig. 11, where the system includes: network device 111 and terminal 112; wherein,
a terminal 112, configured to receive configuration information sent by the network device 111, and report Q2 group beam information to the network device 111 based on the configuration information when a report quality parameter in channel state information report configuration is CRI-RSRP; q2 is less than or equal to Q1.
It should be noted that: the specific processing procedures of the network device 111 and the terminal 112 are described in detail above, and are not described herein again.
In an exemplary embodiment, the present invention further provides a storage medium, specifically a computer-readable storage medium, for example, a first memory 93 storing a computer program, where the computer program is executable by the first processor 92 of the network device 90 to perform the steps of the network device side method. For example, the second memory 103 stores a computer program, which can be executed by the second processor 102 of the terminal 100 to perform the steps of the terminal-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.
In addition, the technical solutions described in the embodiments of the present invention may be arbitrarily combined without conflict.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (21)
1. A data transmission method is applied to network equipment and comprises the following steps:
for 1 channel state information report configuration configured for a terminal, configuring associated Q1 channel state information resource configurations for the channel state information report; wherein,
when the channel state information report configuration is configured, configuring report quality parameters as a channel state information reference signal resource indicator CRI-reference signal received power RSRP, and configuring and enabling group-based beam report groupbasedbeamdreporting; q1 is an integer greater than 1;
receiving Q2 group beam information reported by the terminal based on the configuration information; q2 is less than or equal to Q1; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive the channel state information resources corresponding to the N first signal indicators.
2. The method of claim 1, wherein Q2 is less than Q1; when configuring the channel state information report configuration, the method further comprises:
the value of Q2 is configured.
3. The method of claim 1, wherein the first signal comprises a channel state information reference signal (CSI-RS) and/or a synchronization signal/physical broadcast channel block (SSB);
the channel state information resource corresponding to the first signal indicator comprises CSI-RS and/or SSB.
4. A data transmission method is applied to a terminal and comprises the following steps:
receiving configuration information; the configuration information comprises channel state information report configuration and Q1 channel state information resource configurations related to the channel state information report configuration; q1 is an integer greater than 1;
when a report quality parameter in the channel state information report configuration is a channel state information reference signal resource indicator (CRI) -Reference Signal Received Power (RSRP) and is configured to enable group-based beam report groupbasedbeammreporting, reporting Q2 group beam information to a network side based on the configuration information; q2 is less than or equal to Q1; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive the channel state information resources corresponding to the N first signal indicators.
5. The method of claim 4, wherein Q2 is less than Q1; the configuration information also includes a value of Q2.
6. The method according to claim 4, wherein the first signal comprises a channel state information reference signal, CSI-RS, and/or a synchronization signal/physical broadcast channel block, SSB;
the channel state information resource corresponding to the first signal indicator comprises CSI-RS and/or SSB.
7. A data transmission apparatus, comprising:
a configuration unit, configured to configure, for 1 csi report configuration configured for a terminal, Q1 csi resource configurations associated with the csi report configuration; when the channel state information report configuration is configured, configuring a report quality parameter as a channel state information reference signal resource indicator CRI-reference signal received power RSRP, and configuring and enabling group-based beam report groupBasedBeamreporting; q1 is an integer greater than 1;
a first receiving unit, configured to receive Q2 group beam information reported by the terminal based on configuration information; q2 is less than or equal to Q1; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive the channel state information resources corresponding to the N first signal indicators.
8. The apparatus of claim 7, wherein the configuration unit is further configured to configure a value of Q2 when configuring the csi report configuration.
9. The apparatus of claim 7, wherein the first signal comprises a channel state information reference signal (CSI-RS) and/or a synchronization signal/physical broadcast channel block (SSB);
the channel state information resource corresponding to the first signal indicator comprises CSI-RS and/or SSB.
10. A data transmission apparatus, comprising:
a second receiving unit for receiving the configuration information; the configuration information comprises channel state information report configuration configured for the terminal and Q1 channel state information resource configurations related to the channel state information report configuration; q1 is an integer greater than 1;
a reporting unit, configured to report Q2 group beam information to a network side based on configuration information when a report quality parameter in a channel state information report configuration is a channel state information reference signal resource indicator CRI — reference signal received power, RSRP, and is configured to enable group-based beam reporting; q2 is less than or equal to Q1; each reported group of beam information comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive the channel state information resources corresponding to the N first signal indicators.
11. The apparatus of claim 10, wherein Q2 is less than Q1; the configuration information also includes a value of Q2.
12. The apparatus of claim 10, wherein the first signal comprises a channel state information reference signal (CSI-RS) and/or a synchronization signal/physical broadcast channel block (SSB);
the channel state information resource corresponding to the first signal indicator comprises CSI-RS and/or SSB.
13. A network device, comprising: a first processor and a first communication interface; wherein,
the first processor is configured to associate Q1 channel state information resource configurations for the channel state information report configuration through the first communication interface for 1 channel state information report configuration configured for a terminal; when the channel state information report configuration is configured, configuring a report quality parameter as a channel state information reference signal resource indicator CRI-reference signal received power RSRP, and configuring and enabling group-based beam report groupBasedBeamreporting; q1 is an integer greater than 1;
the first communication interface is configured to receive Q2 group beam information reported by the terminal based on configuration information; q2 is less than or equal to Q1; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive the channel state information resources corresponding to the N first signal indicators.
14. The network device of claim 13, wherein the first processor is further configured to configure a value of Q2 when configuring the channel state information report configuration.
15. The network device of claim 13, wherein the first signal comprises a channel state information reference signal (CSI-RS) and/or a synchronization signal/physical broadcast channel block (SSB);
the channel state information resource corresponding to the first signal indicator comprises CSI-RS and/or SSB.
16. A terminal, comprising: a second processor and a second communication interface; wherein,
the second communication interface is used for receiving configuration information; the configuration information comprises channel state information report configuration configured for the terminal and Q1 channel state information resource configurations related to the channel state information report configuration; q1 is an integer greater than 1;
the second processor is configured to report Q2 group beam information to a network side through the second communication interface based on the configuration information when a report quality parameter in the channel state information report configuration is a channel state information reference signal resource indicator CRI-reference signal received power, RSRP, and the configuration enables group-based beam reporting; q2 is less than or equal to Q1; each group of beam information reported by the terminal comprises N first signal indicators and L1-RSRP corresponding to each first signal indicator; the terminal can simultaneously receive the channel state information resources corresponding to the N first signal indicators.
17. The terminal of claim 16, wherein Q2 is less than Q1; the configuration information also includes a value of Q2.
18. The terminal according to claim 16, wherein the first signal comprises a channel state information reference signal, CSI-RS, and/or a synchronization signal/physical broadcast channel block, SSB;
the channel state information resource corresponding to the first signal indicator comprises CSI-RS and/or SSB.
19. A network device, 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 3 when running the computer program.
20. A terminal, 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 4 to 6 when running the computer program.
21. A storage medium having stored thereon a computer program for implementing the steps of the method of any one of claims 1 to 3 or the steps of the method of any one of claims 4 to 6 when executed by a processor.
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| CN201910420906.1A CN111970726B (en) | 2019-05-20 | 2019-05-20 | Data transmission method, device, related equipment and storage medium |
| PCT/CN2020/085316 WO2020233299A1 (en) | 2019-05-20 | 2020-04-17 | Data transmission method and apparatus, related device and storage medium |
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| CN115150036B (en) * | 2021-03-29 | 2023-09-26 | 维沃移动通信有限公司 | Mapping method, terminal and network side equipment for Channel State Information (CSI) report |
| EP4315945A1 (en) * | 2021-03-31 | 2024-02-07 | Apple Inc. | Channel state information reporting for multi-transmission-reception-point operation |
| WO2022236537A1 (en) * | 2021-05-10 | 2022-11-17 | Lenovo (Beijing) Limited | Group based beam report for multi-trp transmission |
| CN115603785A (en) * | 2021-07-07 | 2023-01-13 | 中兴通讯股份有限公司（Cn） | Data transmission method, device and storage medium |
| CN113890715B (en) * | 2021-10-21 | 2023-10-13 | 中信科移动通信技术股份有限公司 | Distribution method and system of channel state information reference signals |
| CN117241388A (en) * | 2022-06-06 | 2023-12-15 | 上海朗帛通信技术有限公司 | Method and apparatus in a node for wireless communication |
| WO2024020815A1 (en) * | 2022-07-26 | 2024-02-01 | 北京小米移动软件有限公司 | Beam reporting method and apparatus, electronic device, and storage medium |
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| CN108633068B (en) * | 2017-03-23 | 2021-07-09 | 华为技术有限公司 | Resource allocation method and device |
| CN108810932A (en) * | 2017-05-05 | 2018-11-13 | 华为技术有限公司 | Channel state information processing method and its device |
| CN108134659B (en) * | 2017-08-11 | 2021-01-15 | 中兴通讯股份有限公司 | Parameter configuration method, power determination method, device and communication node |
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