Method and apparatus for CSI measurement in node used for wireless communication

Abstract

The invention discloses a method and an apparatus for CSI measurement in a node used for wireless communication. A first node receives a first CSI reporting configuration, wherein the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement; receiving a first signaling; receiving a part of or all of the CSI-RS in the first CSI-RS resource set; and sending the first CSI. The first signaling is used for triggering the first CSI, and the first CSI is the CSI which is configured by the first CSI reporting configuration and aims at the port number P; the first CSI-RS resource set belongs to at least one time unit in a time domain, and the at least one time unit depends on a time domain resource occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

Description

Technical Field

[0001] The present application relates to a transmission method and apparatus in a wireless communication system, and in particular to a CSI (Channel State Information) measurement scheme and apparatus in a wireless communication system. Background Art

[0002] In a wireless communication system supporting MIMO (Multiple-Input Multiple-Output), it is a common technology for UE (User Equipment) to generate and feedback CSI (Channel Status Information) based on channel and / or interference measurement to assist the base station in multi-antenna processing. In the 5G (the 5th generation) NR (new radio) system, in order for the base station to obtain accurate CSI, the base station configures the UE with NZP (Non-Zero Power) CSI-RS (Channel state information reference signal) resources for channel measurement and CSI-IM (Channel State Information–Interference Measurement) resources for interference measurement. In addition, NZP CSI-RS resources for interference measurement can also be configured. In the existing 3GPP Release 18 and earlier standards, the number of ports of a CSI-RS resource configured by the base station for channel measurement to the UE is the number of ports for which the feedback CSI is directed.

[0003] In order to solve the coverage problem and achieve greater spectrum efficiency, larger antenna arrays with more antennas have aroused great interest in the industry. To this end, the 3GPP (3rd Generation Partnership Project) RAN#94 meeting passed the "NR MIMO Phase 5" work item (WI). Among them, the design of CSI measurement and reporting for a larger number of CSI-RS ports (up to 128) is a key issue to be solved.

[0004] In addition, for future communication systems (such as 6G), the use of ultra-large antenna arrays is also an effective technology to solve coverage and improve spectrum efficiency. How to measure and report CSI with an ultra-large number of CSI-RS ports (maximum value equal to or greater than 128) is a key issue to be solved. Summary of the invention

[0005] In existing systems, a CSI report and a CSI-RS for channel measurement can be triggered by signaling, and determining the time slot where the triggered CSI-RS is located is a key issue. For different cases of the number of ports targeted by CSI, how to determine the time domain position of a triggered CSI-RS needs to be reconsidered.

[0006] In view of the above problems, the present application discloses a solution. It should be noted that, although the above description uses 5G network as an example, the present application is also applicable to future networks (such as 6G, etc.) or other scenarios facing similar problems (for example, there are scenarios where the link direction changes, or other scenarios that support multi-level configuration of the transmission direction, or base stations or user equipment with stronger capabilities, such as supporting the same frequency full-duplex scenario, or for different application scenarios, such as mobile broadband, ultra-reliable low-latency communication, large-scale machine communication, non-terrestrial network, synaesthesia integrated network, intelligent super surface, terahertz network, similar technical effects can also be achieved. In addition, the use of a unified solution for different networks or different scenarios (including but not limited to mobile broadband, ultra-reliable low-latency communication, large-scale machine communication, non-terrestrial network, synaesthesia integrated network, intelligent super surface, terahertz network scenarios) also helps to reduce hardware complexity and cost. In the absence of conflict, the embodiments of any node of the present application and the features in the embodiments can be applied to any other node, and vice versa. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be arbitrarily combined with each other.

[0007] The present application discloses a method in a first node used for wireless communication, characterized by comprising:

[0008] receiving a first CSI reporting configuration, where the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, where the first CSI-RS resource set includes a plurality of CSI-RS resources; the first CSI reporting configuration is used to configure reporting of CSI for a number of ports being P, where P is a positive integer greater than 1;

[0009] receiving a first signaling;

[0010] receiving part or all of the CSI-RS in the first CSI-RS resource set;

[0011] Sending a first CSI; the first signaling is used to trigger the first CSI, and the first CSI is the CSI for the number of ports P configured by the first CSI reporting configuration;

[0012] Among them, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0013] As an embodiment, the problem to be solved by the present application includes: for different situations of the number of ports targeted by CSI, how to determine at least one time unit to which the triggered CSI-RS resource belongs in the time domain.

[0014] As an embodiment, in the above method, according to the relationship between the number of ports targeted by the CSI and the number of ports of the CSI-RS resources, at least one time unit to which the triggered CSI-RS resources belong in the time domain is flexibly adjusted.

[0015] As an embodiment, in the above method, at least one time unit to which the triggered CSI-RS resource belongs in the time domain depends on at least one trigger offset; according to the relationship between the number of ports targeted by the CSI and the number of ports of the CSI-RS resource, the at least one trigger offset is flexibly adjusted.

[0016] As an embodiment, the advantage of adopting the above method is that it not only supports the situation in which the number of ports targeted by CSI in the current standard is equal to the number of ports of the configured CSI-RS resources, but also supports the situation in which the number of ports targeted by CSI is greater than the number of ports of the configured CSI-RS resources.

[0017] As an embodiment, the advantage of adopting the above method is that the system design is simplified.

[0018] As an embodiment, the advantage of adopting the above method is that it has good compatibility with the standard and makes minor changes to the standard.

[0019] As an embodiment, the advantage of adopting the above method is that CSI-RS resources are reasonably allocated.

[0020] As an embodiment, the advantage of adopting the above method is that the accuracy of CSI is improved.

[0021] As an embodiment, the benefit of adopting the above method is that the transmission efficiency is improved.

[0022] As an embodiment, the benefit of adopting the above method is that the transmission capacity is improved.

[0023] As an embodiment, the benefit of adopting the above method is that the system performance is improved.

[0024] According to one aspect of the present application, it is characterized in that when the P is equal to the port number of a CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource, and the first CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set; when the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource group, the first CSI-RS resource group includes multiple CSI-RS resources in the first CSI-RS resource set, and the total port number of all CSI-RS resources in the first CSI-RS resource group is equal to the P.

[0025] As an embodiment, the advantage of adopting the above method is that the design of CSI-RS resources is simplified.

[0026] As an embodiment, the advantage of adopting the above method is that it avoids designing a CSI-RS resource with a larger number of ports (such as 128 or more), but implements the measurement and reporting of CSI with a larger number of ports (such as 128 or more).

[0027] As an embodiment, the advantage of adopting the above method is that it supports combining multiple CSI-RS resources into a CSI-RS resource with a larger port number (such as 128 or larger) for measuring channel information of a larger port number (such as up to 128 or larger).

[0028] As an embodiment, the advantage of adopting the above method is that the system design is simplified.

[0029] As an embodiment, the advantage of adopting the above method is that it has good compatibility with the standard and makes minor changes to the standard.

[0030] As an embodiment, the advantage of adopting the above method is that the accuracy of CSI is improved.

[0031] As an embodiment, the benefit of adopting the above method is that the transmission efficiency is improved.

[0032] As an embodiment, the benefit of adopting the above method is that the transmission capacity is improved.

[0033] As an embodiment, the benefit of adopting the above method is that the system performance is improved.

[0034] According to one aspect of the present application, it is characterized in that the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a first trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a second trigger offset.

[0035] As an embodiment, the advantage of adopting the above method is that it not only supports the situation in which the number of ports targeted by CSI in the current standard is equal to the number of ports of the configured CSI-RS resources, but also supports the situation in which the number of ports targeted by CSI is greater than the number of ports of the configured CSI-RS resources.

[0036] As an embodiment, the advantage of adopting the above method is that the system design is simplified.

[0037] As an embodiment, the advantage of adopting the above method is that it has good compatibility with the standard and makes minor changes to the standard.

[0038] According to one aspect of the present application, it is characterized in that the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes Q trigger offsets, and Q is a positive integer greater than 1.

[0039] As an embodiment, the advantage of adopting the above method is that it not only supports the situation in which the number of ports targeted by CSI in the current standard is equal to the number of ports of the configured CSI-RS resources, but also supports the situation in which the number of ports targeted by CSI is greater than the number of ports of the configured CSI-RS resources.

[0040] As an embodiment, the advantage of adopting the above method is that it has high flexibility and simplifies system design.

[0041] As an embodiment, the advantage of adopting the above method is that CSI-RS resources are reasonably allocated.

[0042] According to one aspect of the present application, it is characterized in that when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the first CSI-RS resource set includes Q CSI-RS resource groups, any CSI-RS resource group in the Q CSI-RS resource groups includes multiple CSI-RS resources in the first CSI-RS resource set, the total number of ports of all CSI-RS resources in any CSI-RS resource group in the Q CSI-RS resource groups is equal to the P, and the at least one time unit includes the time units to which the Q CSI-RS resource groups respectively belong in the time domain, and the time units to which the Q CSI-RS resource groups respectively belong in the time domain respectively depend on the Q trigger offsets.

[0043] As an embodiment, the advantage of adopting the above method is that it supports the situation where the number of ports targeted by the CSI is greater than the number of ports of the configured CSI-RS resources.

[0044] As an embodiment, the advantage of adopting the above method is that it has high flexibility and simplifies system design.

[0045] As an embodiment, the advantage of adopting the above method is that multiple CSI-RS resource groups are reasonably allocated.

[0046] According to one aspect of the present application, it is characterized in that the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes M trigger offsets, M is a positive integer greater than 1, the first CSI-RS resource set includes M CSI-RS resources, the at least one time unit includes the time units to which the M CSI-RS resources respectively belong in the time domain, and the time units to which the M CSI-RS resources respectively belong in the time domain depend on the M trigger offsets respectively.

[0047] As an embodiment, the advantage of adopting the above method is that it has high flexibility.

[0048] As an embodiment, the advantage of adopting the above method is that multiple CSI-RS resources are reasonably allocated.

[0049] According to one aspect of the present application, it is characterized in that the reference CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set, the reference CSI-RS resource belongs to a reference time unit in the time domain, and the at least one time unit includes the reference time unit; the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, and the at least one trigger offset includes the reference trigger offset.

[0050] As an embodiment, the advantage of adopting the above method is that the system design is simplified.

[0051] As an embodiment, the advantage of adopting the above method is that it has good compatibility with standards.

[0052] The present application discloses a method used in a second node of wireless communication, characterized by comprising:

[0053] Sending a first CSI reporting configuration, where the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, where the first CSI-RS resource set includes multiple CSI-RS resources; the first CSI reporting configuration is used to configure reporting of CSI for a port number of P, where P is a positive integer greater than 1;

[0054] Sending a first signaling;

[0055] Sending part or all of the CSI-RS in the first CSI-RS resource set;

[0056] receiving a first CSI; the first signaling is used to trigger the first CSI, where the first CSI is the CSI for a port number P configured by the first CSI reporting configuration;

[0057] Among them, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0058] According to one aspect of the present application, it is characterized in that when the P is equal to the port number of a CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource, and the first CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set; when the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource group, the first CSI-RS resource group includes multiple CSI-RS resources in the first CSI-RS resource set, and the total port number of all CSI-RS resources in the first CSI-RS resource group is equal to the P.

[0059] According to one aspect of the present application, it is characterized in that the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a first trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a second trigger offset.

[0060] According to one aspect of the present application, it is characterized in that the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes Q trigger offsets, and Q is a positive integer greater than 1.

[0061] According to one aspect of the present application, it is characterized in that when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the first CSI-RS resource set includes Q CSI-RS resource groups, any CSI-RS resource group in the Q CSI-RS resource groups includes multiple CSI-RS resources in the first CSI-RS resource set, the total number of ports of all CSI-RS resources in any CSI-RS resource group in the Q CSI-RS resource groups is equal to the P, and the at least one time unit includes the time units to which the Q CSI-RS resource groups respectively belong in the time domain, and the time units to which the Q CSI-RS resource groups respectively belong in the time domain respectively depend on the Q trigger offsets.

[0062] According to one aspect of the present application, it is characterized in that the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes M trigger offsets, M is a positive integer greater than 1, the first CSI-RS resource set includes M CSI-RS resources, the at least one time unit includes the time units to which the M CSI-RS resources respectively belong in the time domain, and the time units to which the M CSI-RS resources respectively belong in the time domain depend on the M trigger offsets respectively.

[0063] According to one aspect of the present application, it is characterized in that the reference CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set, the reference CSI-RS resource belongs to a reference time unit in the time domain, and the at least one time unit includes the reference time unit; the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, and the at least one trigger offset includes the reference trigger offset.

[0064] The present application discloses a first node device used for wireless communication, characterized in that it includes:

[0065] A first receiver receives a first CSI reporting configuration, wherein the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, wherein the first CSI-RS resource set includes a plurality of CSI-RS resources; the first CSI reporting configuration is used to configure reporting of CSI for a port number of P, where P is a positive integer greater than 1; receives a first signaling; and receives part or all of the CSI-RS in the first CSI-RS resource set;

[0066] A first transmitter sends a first CSI; the first signaling is used to trigger the first CSI, and the first CSI is the CSI for a port number P configured by the first CSI reporting configuration;

[0067] Among them, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0068] The present application discloses a second node device used for wireless communication, characterized in that it includes:

[0069] A second transmitter sends a first CSI reporting configuration, where the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, where the first CSI-RS resource set includes multiple CSI-RS resources; the first CSI reporting configuration is used to configure reporting of CSI with a port number of P, where P is a positive integer greater than 1; sends a first signaling; sends part or all of the CSI-RS in the first CSI-RS resource set;

[0070] A second receiver receives a first CSI; the first signaling is used to trigger the first CSI, and the first CSI is the CSI for a port number P configured by the first CSI reporting configuration;

[0071] Among them, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0072] As an embodiment, compared with the traditional solution, this application has the following advantages:

[0073] - The trigger offset is flexibly adjusted according to the relationship between the number of ports targeted by the CSI and the number of ports of the CSI-RS resources.

[0074] -Simplified the design of CSI-RS resources;

[0075] -Avoids designing a CSI-RS resource with a large number of ports (e.g., 128 or more);

[0076] - It is possible to achieve measurement and reporting of CSI with a larger number of ports (such as 128 or more) while keeping the maximum number of ports of CSI-RS resources supported in the current standard unchanged.

[0077] -Support combining multiple CSI-RS resources into a CSI-RS resource with a larger number of ports (e.g., 128 or more) for measuring channel information of a larger number of ports (e.g., up to 128 or more);

[0078] -Simplified system design;

[0079] -Good compatibility with standards, with minor changes to standards;

[0080] -Improved the accuracy of CSI;

[0081] - Improved transmission efficiency;

[0082] -Increased transmission capacity.

[0083] -Improved system performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0084] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0085] Figure 1 A flowchart of a first CSI reporting configuration, a first signaling, a first CSI-RS resource set and a first CSI according to an embodiment of the present application is shown;

[0086] Figure 2 A schematic diagram of a network architecture according to an embodiment of the present application is shown;

[0087] Figure 3 A schematic diagram showing an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application;

[0088] Figure 4 A schematic diagram showing a first communication device and a second communication device according to an embodiment of the present application is shown;

[0089] Figure 5 A flowchart of wireless transmission according to an embodiment of the present application is shown;

[0090] Figure 6 A schematic diagram showing the relationship between the first CSI and P according to an embodiment of the present application;

[0091] Figure 7 A schematic diagram showing a relationship between at least one trigger offset and P according to an embodiment of the present application;

[0092] Figure 8 A schematic diagram showing a relationship between at least one trigger offset and P according to an embodiment of the present application;

[0093] Fig. 9 A schematic diagram showing a relationship between at least one trigger offset and P according to another embodiment of the present application;

[0094] Fig.10 A schematic diagram showing a relationship between at least one time unit and at least one trigger offset according to an embodiment of the present application;

[0095] Fig.11 A schematic diagram showing a relationship between at least one time unit and at least one trigger offset according to another embodiment of the present application;

[0096] Fig.12 A schematic diagram showing the relationship between a reference CSI-RS resource, a reference time unit, and a reference trigger offset according to an embodiment of the present application;

[0097] Fig.13 A structural block diagram of a processing device used in a first node device according to an embodiment of the present application is shown;

[0098] Fig.14 A structural block diagram of a processing device used in a second node device according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0099] The technical solution of the present application will be further described in detail below in conjunction with the accompanying drawings. It should be noted that, unless there is a conflict, the embodiments in the present application and the features in the embodiments can be combined with each other arbitrarily.

[0100] Example 1

[0101] Embodiment 1 illustrates a flowchart of a first CSI reporting configuration, a first signaling, a first CSI-RS resource set, and a first CSI according to an embodiment of the present application, as shown in the attached figure. Figure 1 Attached Figure 1 In the diagram 100, each box represents a step.

[0102] In embodiment 1, the first node in the present application receives a first CSI reporting configuration in step 101; receives a first signaling in step 102; receives part or all of the CSI-RS in the first CSI-RS resource set in step 103; and sends a first CSI in step 104; wherein the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, and the first CSI-RS resource set includes multiple CSI-RS resources; the first CSI reporting configuration is used to configure the reporting of CSI with a port number of P, where P is a positive integer greater than 1; the first signaling is used to trigger the first CSI, and the first CSI is the CSI with a port number of P configured by the first CSI reporting configuration; the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set.

[0103] Typically, the CSI-RS in this application is a NZP CSI-RS.

[0104] Typically, any CSI-RS resource in the first CSI-RS (Channel state information reference signal) resource set is an NZP (Non-Zero Power) CSI-RS resource.

[0105] As an embodiment, the first CSI (Channel Status Information) reporting configuration is carried by higher-layer signaling.

[0106] As an embodiment, the first CSI reporting configuration is carried by RRC signaling.

[0107] As an embodiment, the first CSI reporting configuration includes an IE (Information Element).

[0108] As an embodiment, the first CSI reporting configuration includes one or more IEs.

[0109] As an embodiment, the first CSI reporting configuration is IE CSI-ReportConfig.

[0110] As an embodiment, the name of the first CSI reporting configuration includes CSI-ReportConfig.

[0111] As an embodiment, the first CSI reporting configuration indicates a CSI resource configuration, and the one CSI resource configuration indicates the first CSI-RS resource set.

[0112] As a sub-embodiment of the above embodiment, the CSI resource configuration is an IE CSI-ResourceConfig.

[0113] As a sub-embodiment of the above embodiment, the first CSI reporting configuration includes a resourcesForChannelMeasurement domain, and the resourcesForChannelMeasurement domain included in the first CSI reporting configuration indicates the one CSI resource configuration.

[0114] As a sub-embodiment of the above embodiment, the first CSI reporting configuration includes a resourcesForChannelMeasurement domain, and the resourcesForChannelMeasurement domain included in the first CSI reporting configuration indicates an identifier or index of the one CSI resource configuration.

[0115] As an embodiment, the first CSI reporting configuration includes a resourcesForChannelMeasurement domain, the resourcesForChannelMeasurement domain included in the first CSI reporting configuration indicates a CSI resource configuration, and the one CSI resource configuration indicates the first CSI-RS resource set.

[0116] As an embodiment, the first CSI-RS resource set is configured by IE NZP-CSI-RS-ResourceSet.

[0117] As an embodiment, the IE NZP-CSI-RS-ResourceSet indicates the identifier or index of each CSI-RS resource included in the first CSI-RS resource set.

[0118] As an embodiment, the identifier or index of the first CSI reporting configuration is CSI-ReportConfigId.

[0119] As an embodiment, the identifier or index of a CSI-RS resource is NZP-CSI-RS-ResourceId.

[0120] As an embodiment, the identifier or index of the first CSI-RS resource set is NZP-CSI-RS-ResourceSetId.

[0121] As an embodiment, an identifier or index of a CSI resource configuration is CSI-ResourceConfigId.

[0122] As an embodiment, for the specific definitions of IE CSI-ReportConfig, resourcesForChannelMeasurement, and IE SI-ResourceConfig, refer to Section 6.3.2 of 3GPP TS 38.331.

[0123] As an embodiment, the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement and a second RS resource set for interference measurement; the second RS resource set includes one or more CSI-IM (Channel State Information-Interference Measurement) resources, or the second RS resource set includes one or more CSI-IM resources and one or more NZP CSI-RS resources for interference measurement.

[0124] Typically, CSI-IM is zero power.

[0125] As an embodiment, the first CSI reporting configuration indicates two CSI resource configurations, and the two CSI resource configurations respectively indicate a first CSI-RS resource set for channel measurement and a second RS resource set for interference measurement.

[0126] As an embodiment, the first CSI reporting configuration indicates two CSI resource configurations, and the two CSI resource configurations respectively indicate a first CSI-RS resource set for channel measurement and a second RS resource set for interference measurement; the second RS resource set includes one or more CSI-IM resources.

[0127] As a sub-embodiment of the above embodiment, the two CSI resource configurations are two IE CSI-ResourceConfigs.

[0128] As a sub-embodiment of the above embodiment, the first CSI reporting configuration includes a resourcesForChannelMeasurement domain and a csi-IM-ResourcesForInterference domain, and the resourcesForChannelMeasurement domain and the csi-IM-ResourcesForInterference domain included in the first CSI reporting configuration respectively indicate the two CSI resource configurations.

[0129] As an embodiment, the first CSI reporting configuration includes a csi-IM-ResourcesForInterference domain, and the csi-IM-ResourcesForInterference domain included in the first CSI reporting configuration is used to indicate the second RS resource set.

[0130] As an embodiment, the first CSI reporting configuration indicates three CSI resource configurations, one of the three CSI resource configurations indicates a first CSI-RS resource set for channel measurement, and the other two of the three CSI resource configurations jointly indicate a second RS resource set for interference measurement; the second RS resource set includes one or more CSI-IM resources and one or more NZP CSI-RS resources for interference measurement.

[0131] As an embodiment, the first CSI reporting configuration indicates three CSI resource configurations, one of the three CSI resource configurations indicates a first CSI-RS resource set for channel measurement, the other two of the three CSI resource configurations jointly indicate a second RS resource set for interference measurement, and the other two CSI resource configurations respectively indicate the CSI-IM resources included in the second RS resource set and the NZP CSI-RS resources for interference measurement included in the second RS resource set.

[0132] As a sub-embodiment of the above embodiment, the three CSI resource configurations are three IE CSI-ResourceConfigs.

[0133] As a sub-embodiment of the above embodiment, the first CSI reporting configuration includes a resourcesForChannelMeasurement domain, a csi-IM-ResourcesForInterference domain and a nzp-CSI-RS-ResourcesForInterference domain, and the resourcesForChannelMeasurement domain, the csi-IM-ResourcesForInterference domain and the nzp-CSI-RS-ResourcesForInterference domain included in the first CSI reporting configuration respectively indicate the three CSI resource configurations.

[0134] As an embodiment, the first CSI reporting configuration includes a csi-IM-ResourcesForInterference domain and a nzp-CSI-RS-ResourcesForInterference domain, and the csi-IM-ResourcesForInterference domain and the nzp-CSI-RS-ResourcesForInterference domain included in the first CSI reporting configuration jointly indicate the second RS resource set.

[0135] As an embodiment, for the specific definitions of IE CSI-ReportConfig, resourcesForChannelMeasurement, csi-IM-ResourcesForInterference, nzp-CSI-RS-ResourcesForInterference, and IE CSI-ResourceConfig, please refer to Section 6.3.2 of 3GPP TS 38.331.

[0136] As an embodiment, the port number of a CSI-RS resource in the first CSI-RS resource set is a positive integer.

[0137] As an embodiment, the port number of a CSI-RS resource in the first CSI-RS resource set is a positive integer not greater than 32.

[0138] As an embodiment, the port number of a CSI-RS resource in the first CSI-RS resource set is a positive integer not greater than the first maximum integer.

[0139] As a sub-embodiment of the above embodiment, the first maximum integer is 32.

[0140] As a sub-embodiment of the above embodiment, the first maximum integer is 64.

[0141] As a sub-embodiment of the above embodiment, the first maximum integer is less than 128.

[0142] As a sub-embodiment of the above embodiment, the first maximum integer is the maximum port number of CSI-RS resources supported in 3GPP Release 18.

[0143] As an embodiment, when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the first CSI reporting configuration indicates the P.

[0144] As an embodiment, the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, or the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0145] As an embodiment, the P is equal to the number of ports of any CSI-RS resource in the first CSI-RS resource set, or the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0146] As an embodiment, the P is equal to the port number of a CSI-RS resource in the first CSI-RS resource set, or the first CSI reporting configuration indicates the P, and the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set.

[0147] As an embodiment, the P is equal to the port number of any CSI-RS resource in the first CSI-RS resource set, or the first CSI reporting configuration indicates the P, and the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set.

[0148] As an embodiment, the P depends on the first CSI reporting configuration.

[0149] As an embodiment, the first CSI reporting configuration indicates the P.

[0150] As an embodiment, the first CSI reporting configuration explicitly or implicitly indicates the P.

[0151] As an embodiment, the P depends on whether the first CSI reporting configuration includes a first information block.

[0152] As an embodiment, whether the first CSI reporting configuration includes a first information block is used to determine whether the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set; when the first CSI reporting configuration includes the first information block, the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set; when the first CSI reporting configuration does not include the first information block, the P is equal to the port number of a CSI-RS resource in the first CSI-RS resource set.

[0153] As an embodiment, whether the first CSI reporting configuration includes a first information block is used to determine the value range of P; when the first CSI reporting configuration includes the first information block, the value range of P is a first value range, and the first value range includes one or more positive integers; when the first CSI reporting configuration does not include the first information block, the value range of P is a second value range, and the second value range includes one or more positive integers; the maximum integer in the first value range is greater than the maximum integer in the second value range.

[0154] As an embodiment, the maximum value of P is greater than the maximum number of ports of CSI-RS resources supported in 3GPP Release 18.

[0155] As an embodiment, the maximum value of P is not less than the maximum port number of CSI-RS resources supported in 3GPP Release 19.

[0156] As an embodiment, the maximum value of P is greater than 32.

[0157] As an embodiment, the maximum value of P is greater than 64.

[0158] As an embodiment, the maximum value of P is equal to 128.

[0159] As an embodiment, the maximum value of P is greater than 128.

[0160] As an embodiment, whether the first CSI reporting configuration includes a first information block is used to determine whether the maximum value of P is greater than a first maximum integer, and the first maximum integer is a positive integer greater than 1; when the first CSI reporting configuration includes the first information block, the maximum value of P is greater than the first maximum integer; when the first CSI reporting configuration does not include the first information block, the maximum value of P is equal to the first maximum integer.

[0161] As a sub-embodiment of the above embodiment, the first maximum integer is 32.

[0162] As a sub-embodiment of the above embodiment, the first maximum integer is 64.

[0163] As a sub-embodiment of the above embodiment, the first maximum integer is less than 128.

[0164] As a sub-embodiment of the above embodiment, the first maximum integer is the maximum port number of CSI-RS resources supported in 3GPP Release 18.

[0165] As a sub-embodiment of the above embodiment, when the first CSI reporting configuration includes a first information block, the maximum value of P is equal to or greater than 128.

[0166] As an embodiment, the first CSI reporting configuration includes a first information block, and the P depends on the value of the first information block.

[0167] As an embodiment, the P dependence on the value of the first information block includes: the P is equal to the value of the first information block.

[0168] As an embodiment, the P depends on the value of the first information block, including: whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set depends on the value of the first information block; when the value of the first information block is equal to a first candidate value, the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set; when the value of the first information block is equal to a second candidate value, the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set.

[0169] As an embodiment, the dependence of P on the value of the first information block includes: the value range of P depends on the value of the first information block; when the value of the first information block is equal to the first candidate value, the value range of P is the first value range, and the first value range includes one or more positive integers; when the value of the first information block is equal to the second candidate value, the value range of P is the second value range, and the second value range includes one or more positive integers; the maximum integer in the first value range is greater than the maximum integer in the second value range.

[0170] As an embodiment, the dependence of P on the value of the first information block includes: whether the maximum value of P is greater than 32 depends on the value of the first information block; when the value of the first information block is equal to the first candidate value, the maximum value of P is greater than the first maximum integer; when the value of the first information block is equal to the second candidate value, the maximum value of P is equal to the first maximum integer.

[0171] As a sub-embodiment of the above embodiment, the first maximum integer is 32.

[0172] As a sub-embodiment of the above embodiment, the first maximum integer is 64.

[0173] As a sub-embodiment of the above embodiment, the first maximum integer is less than 128.

[0174] As a sub-embodiment of the above embodiment, when the value of the first information block is equal to the first candidate value, the maximum value of P is equal to or greater than 128.

[0175] As an embodiment, the first information block includes a field in the first CSI reporting configuration.

[0176] As an embodiment, the first information block includes one or more fields in the first CSI reporting configuration.

[0177] As an embodiment, at least one field in the first CSI reporting configuration indicates the first information block.

[0178] As an embodiment, the IE CSI-ResourceConfig indicating the first CSI-RS resource set includes the first information block.

[0179] As an embodiment, the first CSI reporting configuration indicates a CSI resource configuration, the one CSI resource configuration indicates the first CSI-RS resource set, and the one CSI resource configuration includes the first information block.

[0180] As an embodiment, the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set includes the first information block.

[0181] As an embodiment, any CSI-RS resource in the first CSI-RS resource set is an aperiodic CSI-RS resource, and the first signaling is a DCI (Downlink control information) signaling that triggers the first CSI.

[0182] As an embodiment, any CSI-RS resource in the first CSI-RS resource set is a semi-persistent CSI-RS resource, and the first signaling is a MAC CE or DCI that triggers the first CSI.

[0183] As an embodiment, one or more fields in the first signaling are used to trigger the first CSI, and one field includes at least one bit.

[0184] As an embodiment, the first signaling includes a first field, the first field in the first signaling is used to trigger the first CSI, and the first field includes at least one bit.

[0185] As an embodiment, the first signaling includes a first field, the first field in the first signaling indicates a first trigger state, the first trigger state indicates the first CSI reporting configuration, the first CSI is the CSI for the number of ports P configured by the first CSI reporting configuration, and the first field includes at least one bit.

[0186] As an embodiment, any CSI-RS resource in the first CSI-RS resource set is an aperiodic CSI-RS resource, and the first signaling is a DCI (Downlink control information) signaling that triggers the first CSI; the first signaling includes a first field, and the first field in the first signaling is used to trigger the first CSI, and the first field includes at least one bit.

[0187] As an embodiment, any CSI-RS resource in the first CSI-RS resource set is an aperiodic CSI-RS resource, and the first signaling is a DCI (Downlink control information) signaling that triggers the first CSI; the first signaling includes a first domain, and the first domain in the first signaling indicates a first trigger state, and the first trigger state indicates the first CSI reporting configuration, and the first CSI is the CSI for the number of ports P configured by the first CSI reporting configuration, and the first domain includes at least one bit.

[0188] As an embodiment, any CSI-RS resource in the first CSI-RS resource set is an aperiodic CSI-RS resource, and the first signaling is a DCI (Downlink control information) signaling that triggers the first CSI; the first signaling includes a CSI request field, and the CSI request field in the first signaling is used to trigger the first CSI, and the CSI request field includes at least one bit.

[0189] As an embodiment, any CSI-RS resource in the first CSI-RS resource set is an aperiodic CSI-RS resource, and the first signaling is a DCI (Downlink control information) signaling that triggers the first CSI; the first signaling includes a CSI request field, the CSI request field in the first signaling indicates a first trigger state, the first trigger state indicates the first CSI reporting configuration, the first CSI is the CSI for a port number P configured by the first CSI reporting configuration, and the CSI request field includes at least one bit.

[0190] As an embodiment, the first CSI reporting configuration indicates a CSI resource configuration, the one CSI resource configuration indicates the first CSI-RS resource set, and the one CSI resource configuration indicates that a resource type (resource type) of the first CSI-RS resource set is aperiodic.

[0191] As an embodiment, the first CSI reporting configuration indicates a CSI resource configuration, the one CSI resource configuration indicates the first CSI-RS resource set, and the one CSI resource configuration indicates that the first CSI-RS resource set is aperiodic.

[0192] As an embodiment, the first CSI reporting configuration indicates a CSI resource configuration, the one CSI resource configuration indicates the first CSI-RS resource set, and the one CSI resource configuration indicates that the resource type (resource type) of the first CSI-RS resource set is aperiodic or semipersistent.

[0193] As an embodiment, the first CSI reporting configuration indicates a CSI resource configuration, the one CSI resource configuration indicates the first CSI-RS resource set, and the one CSI resource configuration indicates that the first CSI-RS resource set is aperiodic or semipersistent.

[0194] As an embodiment, the at least one time unit is a time unit, and the at least one triggering offset is a triggering offset.

[0195] As an embodiment, the at least one time unit is a plurality of time units, and the at least one trigger offset is a trigger offset.

[0196] As an embodiment, the at least one time unit is a plurality of time units, and the at least one trigger offset is a plurality of trigger offsets.

[0197] As an embodiment, the at least one time unit is a plurality of time units, the at least one trigger offset is a plurality of trigger offsets, and the plurality of time units are respectively dependent on the plurality of trigger offsets.

[0198] As an embodiment, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset, including: the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time unit to which the time domain resources occupied by the first signaling belong and at least one trigger offset.

[0199] As an embodiment, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset, including: the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs and at least one trigger offset.

[0200] As an embodiment, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset, including: the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the termination symbol of the time domain resources occupied by the first signaling and at least one trigger offset.

[0201] As an embodiment, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset, including: the first CSI-RS resource set belongs to a time unit in the time domain, and a time unit to which the first CSI-RS resource set belongs in the time domain depends on the time domain resources occupied by the first signaling and a trigger offset.

[0202] As an embodiment, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset, including: the first CSI-RS resource set belongs to multiple time units in the time domain, and the multiple time units depend on the time domain resources occupied by the first signaling and at least one trigger offset.

[0203] As an embodiment, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset, including: the first CSI-RS resource set includes Q CSI-RS resource groups, all CSI-RS resources in the same CSI-RS resource group among the Q CSI-RS resource groups belong to one time unit in the time domain, the time units to which the Q CSI-RS resource groups respectively belong in the time domain depend on the Q trigger offsets respectively, and the time unit to which any CSI-RS resource group among the Q CSI-RS resource groups belongs in the time domain depends on the time domain resources occupied by the first signaling and one of the Q trigger offsets.

[0204] As an embodiment, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset, including: the first CSI-RS resource set includes M CSI-RS resources, and the at least one trigger offset includes M trigger offsets, M is a positive integer greater than 1, and the time units to which the M CSI-RS resources respectively belong in the time domain depend on the M trigger offsets respectively, and the time unit to which any one of the M CSI-RS resources belongs in the time domain depends on the time domain resources occupied by the first signaling and one of the M trigger offsets.

[0205] As an embodiment, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset, including: the reference CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set, and the reference CSI-RS resource belongs to a reference time unit in the time domain, and the at least one time unit includes the reference time unit; the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, and the at least one trigger offset includes the reference trigger offset.

[0206] As an embodiment, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset, including: the reference CSI-RS resource is any CSI-RS resource in the first CSI-RS resource set, and the reference CSI-RS resource belongs to a reference time unit in the time domain, and the at least one time unit includes the reference time unit; the reference time unit depends on the time domain resources occupied by the first signaling and a reference trigger offset, and the at least one trigger offset includes the reference trigger offset.

[0207] As an embodiment, a trigger offset is a non-negative integer.

[0208] As an embodiment, a trigger offset is a non-negative integer, and the unit of the trigger offset is sign.

[0209] As an embodiment, a trigger offset is a non-negative real number.

[0210] As an embodiment, the at least one trigger offset is predefined.

[0211] As an embodiment, the at least one trigger offset is configurable.

[0212] As an embodiment, the at least one trigger offset is configured by at least one higher layer parameter.

[0213] As an embodiment, the at least one triggering offset is configured by at least one higher layer parameter whose name includes TriggeringOffset.

[0214] As an embodiment, the at least one triggering offset is configured by at least one higher layer parameter whose name includes aperiodicTriggeringOffset.

[0215] As an embodiment, the at least one triggering offset is configured by at least one higher layer parameter whose name includes TriggeringOffset, a triggering offset is a non-negative integer, and the unit of the triggering offset is symbol.

[0216] As an embodiment, the at least one triggering offset is configured by at least one higher layer parameter whose name includes aperiodicTriggeringOffset, a triggering offset is a non-negative integer, and the unit of the triggering offset is symbol.

[0217] As an embodiment, the time unit is a time slot.

[0218] As an embodiment, the time unit includes one or more time slots.

[0219] As an embodiment, the time unit is a subframe.

[0220] As an embodiment, the time unit includes at least one symbol.

[0221] As an embodiment, the time unit includes multiple symbols.

[0222] As an embodiment, the symbol is a single carrier symbol.

[0223] As an embodiment, the symbol is a multi-carrier symbol.

[0224] As an embodiment, the symbol is a symbol in a 5G system.

[0225] As an embodiment, the symbol is a symbol in a 6G system.

[0226] As an embodiment, the multi-carrier symbol is an OFDM (Orthogonal Frequency Division Multiplexing) symbol.

[0227] As an embodiment, the symbol is obtained by performing OFDM symbol generation on the output of a transform precoding.

[0228] As an embodiment, the multi-carrier symbol is an SC-FDMA (Single Carrier-Frequency Division Multiple Access) symbol.

[0229] As an embodiment, the multi-carrier symbol is a DFT-S-OFDM (Discrete Fourier Transform Spread OFDM) symbol.

[0230] As an embodiment, the multi-carrier symbol is a FBMC (Filter Bank Multi Carrier) symbol.

[0231] As an embodiment, the multi-carrier symbol includes a CP (Cyclic Prefix).

[0232] Typically, the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, or the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0233] As an embodiment, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: which trigger offset among multiple trigger offsets the at least one trigger offset is that depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0234] As an embodiment, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: whether the at least one trigger offset is the first trigger offset or the second trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0235] As an embodiment, the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: the number of trigger offsets included in the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0236] As an embodiment, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: the at least one trigger offset is configured by at least one higher-layer parameter, and the at least one higher-layer parameter depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0237] Example 2

[0238] Embodiment 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in the attached Figure 2 shown.

[0239] Attached Figure 2 The network architecture 200 of LTE (Long-Term Evolution), LTE-A (Long-Term Evolution Advanced) and future 5G systems is illustrated. The network architecture 200 of LTE, LTE-A and future 5G systems is called EPS (Evolved Packet System) 200. The 5G NR or LTE network architecture 200 may be referred to as 5GS (5G System) / EPS (Evolved Packet System) 200 or some other suitable terminology. 5GS / EPS200 may include one or more UEs (User Equipment) 201, a UE 241 communicating with UE 201 via a sidelink, NG-RAN (Next Generation Radio Access Network) 202, 5GC (5G Core Network) / EPC (Evolved Packet Core) 210, HSS (Home Subscriber Server) / UDM (Unified Data Management) 220, and Internet service 230. 5GS / EPS200 may be interconnected with other access networks, but these entities / interfaces are not shown for simplicity. Figure 2As shown, 5GS / EPS200 provides packet switching services, however, those skilled in the art will readily appreciate that the various concepts presented throughout this application can be extended to networks that provide circuit switching services. NG-RAN202 includes NR (New Radio) Node B (gNB) 203 and other gNBs204. gNB203 provides user and control plane protocol terminations toward UE201. gNB203 can be connected to other gNBs204 via an Xn interface (e.g., backhaul). gNB203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a basic service set (BSS), an extended service set (ESS), a TRP (transmit receive point), or some other suitable term. gNB203 provides an access point to 5GC / EPC210 for UE201. Examples of UE 201 include cellular phones, smart phones, session initiation protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, global positioning systems, multimedia devices, video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, narrowband physical network devices, machine type communication devices, land vehicles, cars, wearable devices, or any other similar functional devices. Those skilled in the art may also refer to UE 201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable term. gNB203 is connected to 5GC / EPC210 via S1 / NG interface. 5GC / EPC210 includes MME (Mobility Management Entity) / AMF (Authentication Management Field) / SMF (Session Management Function) 211, other MME / AMF / SMF214, S-GW (Service Gateway) / UPF (User Plane Function) 212, and P-GW (Packet Data Network Gateway) / UPF213. MME / AMF / SMF211 is a control node that handles signaling between UE201 and 5GC / EPC210. ​​In general, MME / AMF / SMF211 provides bearer and connection management.All user IP (Internet Protocol) packets are transmitted through S-GW / UPF212, which is itself connected to P-GW / UPF213. P-GW provides UE IP address allocation and other functions. P-GW / UPF213 is connected to Internet service 230. Internet service 230 includes operator-corresponding Internet protocol services, which may specifically include Internet, Intranet, IMS (IP Multimedia Subsystem) and Packet switching services.

[0240] As an embodiment, the first node in the present application includes the UE201.

[0241] As an embodiment, the first node in the present application includes the UE241.

[0242] As an embodiment, the second node in the present application includes the gNB203.

[0243] Example 3

[0244] Embodiment 3 illustrates a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application, as shown in the attached figure. Figure 3 shown.

[0245] Embodiment 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to the present application, as shown in the attached Figure 3 shown. Figure 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane 350 and a control plane 300, Figure 3The radio protocol architecture of the control plane 300 between a first communication node device (UE, gNB or RSU in V2X) and a second communication node device (gNB, UE or RSU in V2X), or between two UEs is shown with three layers: Layer 1, Layer 2 and Layer 3. Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be referred to as PHY301 in this article. Layer 2 (L2 layer) 305 is above PHY301 and is responsible for the link between the first communication node device and the second communication node device, or between two UEs. The L2 layer 305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol) sublayer 304, which terminate at the second communication node device. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by encrypting data packets, and provides support for inter-zone mobility of the first communication node device between the second communication node device. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ. The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in a cell between the first communication node devices. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control) sublayer 306 in layer 3 (L3 layer) in the control plane 300 is responsible for obtaining radio resources (i.e., radio bearers) and configuring the lower layer using RRC signaling between the second communication node device and the first communication node device. The radio protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer). The radio protocol architecture used for the first communication node device and the second communication node device in the user plane 350 is substantially the same as the corresponding layers and sublayers in the control plane 300 for the physical layer 351, the PDCP sublayer 354 in the L2 layer 355, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355, but the PDCP sublayer 354 also provides header compression for upper layer data packets to reduce radio transmission overhead.The L2 layer 355 in the user plane 350 also includes a SDAP (Service Data Adaptation Protocol) sublayer 356, which is responsible for mapping between QoS flows and data radio bearers (DRBs) to support the diversity of services. Although not shown in the figure, the first communication node device may have several upper layers above the L2 layer 355, including a network layer (e.g., an IP layer) terminated at the P-GW on the network side and an application layer terminated at the other end of the connection (e.g., a remote UE, a server, etc.).

[0246] As an example, Figure 3 The wireless protocol architecture in is applicable to the first node in this application.

[0247] As an example, Figure 3 The wireless protocol architecture in is applicable to the second node in this application.

[0248] As an embodiment, the first CSI reporting configuration is generated in the RRC sublayer 306.

[0249] As an embodiment, the first CSI is generated by the PHY301.

[0250] As an embodiment, the first CSI is generated by the PHY351.

[0251] As an embodiment, the first signaling is generated in the PHY301.

[0252] As an embodiment, the first signaling is generated in the PHY351.

[0253] As an embodiment, the first CSI is generated by the PHY301.

[0254] As an embodiment, the first CSI is generated at the MAC layer.

[0255] As an embodiment, the CSI-RS in the first CSI-RS resource set is generated by the PHY301.

[0256] As an embodiment, the CSI-RS in the first CSI-RS resource set is generated by the PHY351.

[0257] As an embodiment, the reference signal in the second RS resource set is generated by the PHY301.

[0258] As an embodiment, the reference signal in the second RS resource set is generated by the PHY351.

[0259] As an embodiment, the higher layer in the present application refers to a layer above the physical layer.

[0260] As an embodiment, the higher layer in the present application refers to the RRC layer.

[0261] As an embodiment, the higher layer in the present application refers to the MAC layer.

[0262] As an embodiment, the higher layer in the present application includes at least one of the RRC layer or the MAC layer.

[0263] Example 4

[0264] Embodiment 4 illustrates a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application, as shown in the attached figure. Figure 4 Attached Figure 4 is a block diagram of a first communication device 410 and a second communication device 450 communicating with each other in an access network.

[0265] The first communication device 410 includes a controller / processor 475 , a memory 476 , a receive processor 470 , a transmit processor 416 , a multi-antenna receive processor 472 , a multi-antenna transmit processor 471 , a transmitter / receiver 418 and an antenna 420 .

[0266] The second communication device 450 includes a controller / processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter / receiver 454 and an antenna 452.

[0267] In transmission from the first communication device 410 to the second communication device 450, at the first communication device 410, upper layer data packets from the core network are provided to the controller / processor 475. The controller / processor 475 implements the functionality of the L2 layer. In the DL, the controller / processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and allocation of radio resources to the second communication device 450 based on various priority metrics. The controller / processor 475 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the second communication device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (i.e., the physical layer). The transmit processor 416 implements coding and interleaving to facilitate forward error correction (FEC) at the second communication device 450, as well as constellation mapping based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), M-phase shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM)). The multi-antenna transmit processor 471 performs digital spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing on the coded and modulated symbols to generate one or more parallel streams. The transmit processor 416 then maps each parallel stream to a subcarrier, multiplexes the modulated symbols with a reference signal (e.g., a pilot) in the time domain and / or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate a physical channel carrying a time-domain multi-carrier symbol stream. The multi-antenna transmit processor 471 then performs a transmit analog precoding / beamforming operation on the time-domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream, and then provides it to a different antenna 420.

[0268] In the transmission from the first communication device 410 to the second communication device 450, at the second communication device 450, each receiver 454 receives a signal through its corresponding antenna 452. Each receiver 454 recovers the information modulated onto the RF carrier and converts the RF stream into a baseband multi-carrier symbol stream and provides it to the receiving processor 456. The receiving processor 456 and the multi-antenna receiving processor 458 implement various signal processing functions of the L1 layer. The multi-antenna receiving processor 458 performs a receiving analog precoding / beamforming operation on the baseband multi-carrier symbol stream from the receiver 454. The receiving processor 456 uses a fast Fourier transform (FFT) to convert the baseband multi-carrier symbol stream after the receiving analog precoding / beamforming operation from the time domain to the frequency domain. In the frequency domain, the physical layer data signal and the reference signal are demultiplexed by the receiving processor 456, wherein the reference signal will be used for channel estimation, and the data signal is recovered after multi-antenna detection in the multi-antenna receiving processor 458 to any parallel stream destined for the second communication device 450. The symbols on each parallel stream are demodulated and recovered in the receiving processor 456, and soft decisions are generated. The receiving processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals transmitted by the first communication device 410 on the physical channel. The upper layer data and control signals are then provided to the controller / processor 459. The controller / processor 459 implements the functions of the L2 layer. The controller / processor 459 may be associated with a memory 460 storing program codes and data. The memory 460 may be referred to as a computer-readable medium. In DL (DownLink, downlink), the controller / processor 459 provides multiplexing, packet reassembly, decryption, header decompression, and control signal processing between the transmission and logical channels to recover the upper layer data packets from the core network. The upper layer data packets are then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing. The controller / processor 459 is also responsible for error detection using confirmation (ACK) and / or negative confirmation (NACK) protocols to support HARQ operations.

[0269] In the transmission from the second communication device 450 to the first communication device 410, at the second communication device 450, a data source 467 is used to provide upper layer data packets to the controller / processor 459. The data source 467 represents all protocol layers above the L2 layer. Similar to the transmission function at the first communication device 410 described in DL, the controller / processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on the radio resource allocation of the first communication device 410, and implements L2 layer functions for the user plane and the control plane. The controller / processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first communication device 410. The transmit processor 468 performs modulation mapping and channel coding processing, and the multi-antenna transmit processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing. Then, the transmit processor 468 modulates the generated parallel stream into a multi-carrier / single-carrier symbol stream, which is then provided to different antennas 452 via the transmitter 454 after analog precoding / beamforming operations in the multi-antenna transmit processor 457. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a radio frequency symbol stream, and then provides it to the antenna 452.

[0270] In the transmission from the second communication device 450 to the first communication device 410, the function at the first communication device 410 is similar to the reception function at the second communication device 450 described in the transmission from the first communication device 410 to the second communication device 450. Each receiver 418 receives a radio frequency signal through its corresponding antenna 420, converts the received radio frequency signal into a baseband signal, and provides the baseband signal to the multi-antenna reception processor 472 and the reception processor 470. The reception processor 470 and the multi-antenna reception processor 472 jointly implement the functions of the L1 layer. The controller / processor 475 implements the L2 layer functions. The controller / processor 475 can be associated with a memory 476 that stores program codes and data. The memory 476 can be referred to as a computer-readable medium. The controller / processor 475 provides demultiplexing between transmission and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover the upper layer data packets from the second communication device 450. The upper layer data packets from the controller / processor 475 can be provided to the core network. The controller / processor 475 is also responsible for error detection using an ACK and / or NACK protocol to support HARQ operations.

[0271] As an embodiment, the second communication device 450 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be used with the at least one processor. The second communication device 450 device at least: receives a first CSI reporting configuration, the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, the first CSI-RS resource set includes multiple CSI-RS resources; the first CSI reporting configuration is used to configure the reporting of CSI for a port number of P, P is a positive integer greater than 1; receives a first signaling; receives part or all of the CSI-RS in the first CSI-RS resource set; sends a first CSI; the first signaling is used to trigger the first CSI, the first CSI is the CSI for a port number of P configured by the first CSI reporting configuration; wherein the first CSI-RS resource set belongs to at least one time unit in the time domain, the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0272] As an embodiment, the second communication device 450 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generates an action when executed by at least one processor, the action including: receiving a first CSI reporting configuration, the first CSI reporting configuration indicating a first CSI-RS resource set for channel measurement, the first CSI-RS resource set including multiple CSI-RS resources; the first CSI reporting configuration is used to configure the reporting of CSI for a port number of P, P is a positive integer greater than 1; receiving a first signaling; receiving part or all of the CSI-RS in the first CSI-RS resource set; sending a first CSI; the first signaling is used to trigger the first CSI, the first CSI is the CSI for a port number of P configured by the first CSI reporting configuration; wherein the first CSI-RS resource set belongs to at least one time unit in the time domain, the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0273] As an embodiment, the first communication device 410 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be used together with the at least one processor. The first communication device 410 device at least: sends a first CSI reporting configuration, the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, the first CSI-RS resource set includes multiple CSI-RS resources; the first CSI reporting configuration is used to configure the reporting of CSI for a port number of P, P is a positive integer greater than 1; sends a first signaling; sends part or all of the CSI-RS in the first CSI-RS resource set; receives a first CSI; the first signaling is used to trigger the first CSI, the first CSI is the CSI for a port number of P configured by the first CSI reporting configuration; wherein the first CSI-RS resource set belongs to at least one time unit in the time domain, the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0274] As an embodiment, the first communication device 410 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generates an action when executed by at least one processor, the action including: sending a first CSI reporting configuration, the first CSI reporting configuration indicating a first CSI-RS resource set for channel measurement, the first CSI-RS resource set including multiple CSI-RS resources; the first CSI reporting configuration is used to configure the reporting of CSI for a port number of P, P is a positive integer greater than 1; sending a first signaling; sending part or all of the CSI-RS in the first CSI-RS resource set; receiving a first CSI; the first signaling is used to trigger the first CSI, the first CSI is the CSI for a port number of P configured by the first CSI reporting configuration; wherein the first CSI-RS resource set belongs to at least one time unit in the time domain, the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0275] As an embodiment, the first node in the present application includes the second communication device 450.

[0276] As an embodiment, the second node in the present application includes the first communication device 410.

[0277] As an embodiment, at least one of {the antenna 452, the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller / processor 459, the memory 460, and the data source 467} is used to receive the first CSI reporting configuration in the present application; and at least one of {the antenna 420, the transmitter 418, the transmitting processor 416, the multi-antenna transmitting processor 471, the controller / processor 475, and the memory 476} is used to send the first CSI reporting configuration in the present application.

[0278] As an embodiment, at least one of {the antenna 452, the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller / processor 459, the memory 460, and the data source 467} is used to receive the first signaling in the present application; and at least one of {the antenna 420, the transmitter 418, the transmitting processor 416, the multi-antenna transmitting processor 471, the controller / processor 475, and the memory 476} is used to send the first signaling in the present application.

[0279] As an embodiment, at least one of {the antenna 452, the transmitter 454, the transmit processor 468, the multi-antenna transmit processor 457, the controller / processor 459, and the memory 460} is used to send the first CSI in the present application; at least one of {the antenna 420, the receiver 418, the receive processor 470, the multi-antenna receive processor 472, the controller / processor 475, and the memory 476} is used to receive the first CSI in the present application.

[0280] As an embodiment, at least one of {the antenna 452, the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller / processor 459, the memory 460, and the data source 467} is used to receive part or all of the CSI-RS in the first CSI-RS resource set in the present application; and at least one of {the antenna 420, the transmitter 418, the transmitting processor 416, the multi-antenna transmitting processor 471, the controller / processor 475, and the memory 476} is used to send part or all of the CSI-RS in the first CSI-RS resource set in the present application.

[0281] As an embodiment, at least one of {the antenna 452, the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller / processor 459, the memory 460, and the data source 467} is used to receive part or all of the reference signals in the second RS resource set in the present application; and at least one of {the antenna 420, the transmitter 418, the transmitting processor 416, the multi-antenna transmitting processor 471, the controller / processor 475, and the memory 476} is used to send part or all of the reference signals in the second RS resource set in the present application.

[0282] Example 5

[0283] Embodiment 5 illustrates a flowchart of wireless transmission according to an embodiment of the present application, as shown in the attached Figure 5 As shown in the attached Figure 5 In the example, the first node U1 and the second node N2 are two communication nodes transmitted via an air interface.

[0284] for The first node U1 , receiving a first CSI reporting configuration in step S5101; receiving a first signaling in step S5102; receiving part or all of the CSI-RS in a first CSI-RS resource set in step S5103; sending a first CSI in step S5104;

[0285] for The second node N2 , in step S5201, a first CSI reporting configuration is sent; in step S5202, a first signaling is sent; in step S5203, part or all of the CSI-RS in a first CSI-RS resource set is sent; in step S5204, a first CSI is received.

[0286] In embodiment 5, the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, and the first CSI-RS resource set includes multiple CSI-RS resources; the first CSI reporting configuration is used to configure the reporting of CSI for a port number of P, where P is a positive integer greater than 1; the first signaling is used to trigger the first CSI, and the first CSI is the CSI for a port number of P configured by the first CSI reporting configuration; the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set.

[0287] Typically, the first node receives part or all of the reference signals in the second RS resource set.

[0288] Typically, the second node sends part or all of the reference signals in the second RS resource set.

[0289] Typically, the first receiver in the present application receives part or all of the reference signals in the second RS resource set.

[0290] Typically, the second transmitter in the present application sends part or all of the reference signals in the second RS resource set.

[0291] As an embodiment, the first CSI is transmitted on PUSCH (Physical Uplink Shared Channel).

[0292] As an embodiment, the first CSI is transmitted on PUCCH (Physical Uplink Control Channel).

[0293] As an embodiment, the first CSI reporting configuration includes a reportConfigType (reporting configuration type) field; the reportConfigType (reporting configuration type) field in the first CSI reporting configuration indicates whether the first CSI is periodic (periodic), semi-persistent on PUSCH (semi Persistent On PUSCH), semi-persistent on PUCCH (semi Persistent On PUCCH), or aperiodic (aperiodic).

[0294] As an embodiment, the first CSI reporting configuration further indicates the reporting amount included in the first CSI.

[0295] As an embodiment, the first CSI reporting configuration includes a reportQuantity field, and the field in the first CSI reporting configuration indicates a reporting quantity (report quantity) included in the first CSI.

[0296] As an embodiment, the first CSI includes at least CQI (Channel quality indicator), PMI (Precoding Matrix Indicator), CRI (CSI-RS Resource Indicator), layer indication (Layer Indicator, LI), and RI (Rank Indicator).

[0297] As an embodiment, the CSI with a port number of P is obtained by channel measurement calculation based on P CSI-RS ports.

[0298] As an embodiment, the CSI with a port number of P is calculated based on a channel parameter matrix obtained by channel measurement of P CSI-RS ports.

[0299] As an embodiment, the CSI for the number of ports P includes at least the PMI and CQI for the number of ports P.

[0300] As an embodiment, the CSI for the number of ports P includes at least the PMI and CQI for the number of ports P, and the PMI for the number of ports P indicates the precoding matrix in the codebook for the number of ports P.

[0301] As an embodiment, the CSI for a port number of P includes at least a PMI and a CQI for a port number of P, and the PMI for a port number of P indicates a precoding matrix whose row number is equal to the P.

[0302] As an embodiment, the CSI for the number of ports being P includes at least RI, PMI and CQI for the number of ports being P, and the rank indicated by the RI in the CSI for the number of ports being P is a positive integer not greater than the P.

[0303] As an embodiment, the CSI for the number of ports being P includes a PMI and a CQI for the number of ports being P, and the CQI in the first CSI is calculated based on at least the PMI in the first CSI.

[0304] As an embodiment, the CSI for the number of ports being P includes a PMI for the number of ports being P, and the PMI for the number of ports being P indicates a precoding matrix in a codebook for the number of ports being P.

[0305] As an embodiment, the CSI for a port number of P includes a PMI for a port number of P, and the PMI for a port number of P indicates a precoding matrix whose row number is equal to the P.

[0306] Under the limitations of the above methods or embodiments, how to calculate the CSI for the number of ports P is determined by the manufacturer of the first node, or is implementation-dependent. A typical but non-limiting implementation is described below:

[0307] The CSI with a number of ports P includes a PMI and a CQI with a number of ports P; the first node measures the P CSI-RS ports to obtain a channel parameter matrix H r×P ; For the channel parameter matrix H r×P After power adjustment, the adjusted channel parameter matrix is Where Q is the ratio of the assumed PDSCH (Physical downlink shared channel) EPRE to the NZP CSI-RS EPRE. P×l Under the condition of , the channel parameter matrix after precoding is Wherein the PMI indication W for the number of ports P P×l , l is the rank or the number of layers, in one case l is a positive integer not greater than P, in another case the precoding matrix is ​​the unit matrix, in which case P = l; H is calculated using criteria such as SINR (Signal Interference Noise Ratio), EESM (Exponential Effective SINR Mapping), or RBIR (Received Block mean mutual Information Ratio). r×P ·W P×l The equivalent channel capacity is then determined by the equivalent channel capacity through a table lookup or the like to determine the CQI in the CSI with a port number of P.

[0308] As an embodiment, the first CSI includes at least CQI.

[0309] As an embodiment, the first CSI includes at least RI and CQI.

[0310] As an embodiment, the first CSI includes at least RI, PMI and CQI.

[0311] As an embodiment, the first CSI includes at least RI, LI, PMI and CQI.

[0312] As an embodiment, the first CSI includes at least a first resource indication and a CQI; the first resource indication indicates one or more CSI-RS resources in the first CSI-RS resource set, or the first resource indication includes one or more CRIs.

[0313] As an embodiment, the first CSI includes at least a first resource indication, an RI and a CQI; the first resource indication indicates one or more CSI-RS resources in the first CSI-RS resource set, or the first resource indication includes one or more CRIs.

[0314] As an embodiment, the first CSI includes at least a first resource indication, RI, PMI and CQI; the first resource indication indicates one or more CSI-RS resources in the first CSI-RS resource set, or the first resource indication includes one or more CRIs.

[0315] As an embodiment, the first CSI includes a first resource indication, RI, LI, PMI and CQI; the first resource indication indicates one or more CSI-RS resources in the first CSI-RS resource set, or the first resource indication includes one or more CRIs.

[0316] As an embodiment, the first CSI includes at least RI and CQI, the rank indicated by the RI in the first CSI is a positive integer not greater than the P, and the CQI in the first CSI is calculated conditioned on at least the RI in the first CSI.

[0317] As an embodiment, the first CSI includes at least RI, PMI and CQI, and the CQI in the first CSI is calculated based on at least the RI in the first CSI and the PMI in the first CSI.

[0318] As an embodiment, the first CSI includes at least RI, LI, PMI and CQI, and the CQI in the first CSI is calculated based on at least the RI, the LI and the PMI in the first CSI.

[0319] As an embodiment, the first CSI includes at least a first resource indication and a CQI; the first resource indication indicates one or more CSI-RS resources in the first CSI-RS resource set, or the first resource indication includes one or more CRIs; the CQI in the first CSI is calculated conditioned on at least the first resource indication in the first CSI.

[0320] As an embodiment, the first CSI includes at least a first resource indication, an RI and a CQI; the first resource indication indicates one or more CSI-RS resources in the first CSI-RS resource set, or the first resource indication includes one or more CRIs; the CQI in the first CSI is calculated conditioned on at least the first resource indication and the RI in the first CSI.

[0321] As an embodiment, the first CSI includes at least a first resource indication, an RI, a PMI and a CQI; the first resource indication indicates one or more CSI-RS resources in the first CSI-RS resource set, or the first resource indication includes one or more CRIs; the CQI in the first CSI is calculated conditioned on at least the first resource indication, the RI and the PMI in the first CSI.

[0322] As an embodiment, the first CSI includes a first resource indication, RI, LI, PMI and CQI; the first resource indication indicates one or more CSI-RS resources in the first CSI-RS resource set, or the first resource indication includes one or more CRIs; the CQI in the first CSI is calculated conditioned on at least the first resource indication, the RI, the LI and the PMI in the first CSI.

[0323] As an embodiment, at least one CSI-RS resource in the first CSI-RS resource set is used for channel measurement of the first CSI.

[0324] As an embodiment, at least one CSI-RS resource in the first CSI-RS resource set is used for channel measurement of the first CSI, and at least one RS resource in the second RS resource set is used for interference measurement of the first CSI.

[0325] As an embodiment, the IE used to configure a CSI-RS resource is the IE NZP-CSI-RS-Resource.

[0326] Under the limitations of the above method or embodiment, the specific algorithm for calculating the first CSI is determined by the manufacturer of the first node, or is implementation-dependent. A typical but non-limiting implementation is described below:

[0327] The first node measures P CSI-RS ports to obtain a channel parameter matrix H r×P ; The P CSI-RS ports are composed of ports of one or more CSI-RS resources in the first CSI-RS resource set, and the channel parameter matrix H r×P After power adjustment, the adjusted channel parameter matrix is Where Q is the ratio of the assumed PDSCHEPRE to the NZP CSI-RS EPRE. P×l Under the condition of , the channel parameter matrix after precoding is Wherein l is the rank or the number of layers, in one case l is a positive integer not greater than P, in another case the precoding matrix is ​​a unit matrix, in which case P = l. The first CSI includes a CQI, and H is calculated using a criterion such as SINR (Signal Interference Noise Ratio), EESM (Exponential Effective SINR Mapping), or RBIR (Received Block mean mutual Information Ratio). r×P ·W P×l The equivalent channel capacity is then used to determine the CQI included in the first CSI by looking up the equivalent channel capacity. Generally speaking, the calculation of the equivalent channel capacity requires the first node to estimate the interference (including noise), and the first node can obtain the interference by measuring the RS resources in the second RS resource set in the present application. Generally speaking, the direct mapping of the equivalent channel capacity to the CQI value depends on the receiver performance, or hardware-related factors such as the modulation method.

[0328] Under the limitations of the above method or embodiment, the specific algorithm for calculating the first CSI is determined by the manufacturer of the first node, or is implementation-dependent. A typical but non-limiting implementation is described below:

[0329] The first CSI indicates a first CSI-RS resource, and the first node measures P CSI-RS ports to obtain a channel parameter matrix H r×P ; The P CSI-RS ports are composed of the ports of the first CSI-RS resource in this application, or the first CSI indicates a first CSI-RS resource group, and the P CSI-RS ports are composed of the ports of all CSI-RS resources in the first CSI-RS resource group in this application. r×PAfter power adjustment, the adjusted channel parameter matrix is Where Q is the ratio of the assumed PDSCH EPRE to the NZP CSI-RS EPRE. P×l Under the condition of , the channel parameter matrix after precoding is Wherein l is the rank or the number of layers, in one case l is a positive integer not greater than P, in another case the precoding matrix is ​​a unit matrix, in which case P = l. The first CSI includes a CQI, and H is calculated using a criterion such as SINR (Signal Interference Noise Ratio), EESM (Exponential Effective SINR Mapping), or RBIR (Received Block mean mutual Information Ratio). r×P ·W P×l The equivalent channel capacity is then used to determine the CQI included in the first CSI by looking up the equivalent channel capacity. Generally speaking, the calculation of the equivalent channel capacity requires the first node to estimate the interference (including noise), and the first node can obtain the interference by measuring the RS resources in the second RS resource set in the present application. Generally speaking, the direct mapping of the equivalent channel capacity to the CQI value depends on the receiver performance, or hardware-related factors such as the modulation method.

[0330] Example 6

[0331] Embodiment 6 illustrates a schematic diagram of the relationship between the first CSI and P according to an embodiment of the present application; Figure 6 Attached Figure 6 , CSI-RS resource #1, ..., CSI-RS resource #M are multiple CSI-RS resources in the first CSI-RS resource group.

[0332] In Example 6, when the P is equal to the port number of a CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource, and the first CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set; when the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource group, the first CSI-RS resource group includes multiple CSI-RS resources in the first CSI-RS resource set, and the total port number of all CSI-RS resources in the first CSI-RS resource group is equal to the P.

[0333] As an embodiment, the first CSI-RS resource set includes Q CSI-RS resource groups, Q is a positive integer greater than 1, the total number of ports of all CSI-RS resources in any CSI-RS resource group among the Q CSI-RS resource groups is equal to P, and the first CSI-RS resource group is one of the Q CSI-RS resource groups.

[0334] As an embodiment, the first CSI is calculated based on channel measurement of P CSI-RS ports; when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the P CSI-RS ports are all ports of the first CSI-RS resource, the first CSI indicates the first CSI-RS resource, and the first CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource group, the P CSI-RS ports are composed of all ports of all CSI-RS resources in the first CSI-RS resource group, the first CSI-RS resource group includes multiple CSI-RS resources in the first CSI-RS resource set, and the total number of ports of all CSI-RS resources in the first CSI-RS resource group is equal to the P.

[0335] As an embodiment, the first CSI includes a first resource indication; when the P is equal to the port number of a CSI-RS resource in the first CSI-RS resource set, the first resource indication indicates a first CSI-RS resource, and the first CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set; when the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set, the first resource indication indicates a first CSI-RS resource group, the first CSI-RS resource group includes multiple CSI-RS resources in the first CSI-RS resource set, and the total port number of all CSI-RS resources in the first CSI-RS resource group is equal to the P.

[0336] As an embodiment, the first resource indication indicating the first CSI-RS resource includes: the first resource indication is a CRI indicating the first CSI-RS resource.

[0337] As an embodiment, the first resource indication indicating the first CSI-RS resource group includes: the first resource indication indicating an index or identifier of the first CSI-RS resource group.

[0338] As an embodiment, the first resource indication indicates a first CSI-RS resource group, including: the first CSI-RS resource set includes multiple CSI-RS resource groups, the first CSI-RS resource group is one of the multiple CSI-RS resource groups, and the first resource indication indicates an index or identifier of the first CSI-RS resource group.

[0339] In the above method, the first resource indication indicates the index or identifier of the CSI-RS resource group, which is simple in design and reduces indication overhead.

[0340] As an embodiment, the first resource indication indicating the first CSI-RS resource group includes: the first resource indication includes multiple CRIs, and the multiple CRIs respectively indicate multiple CSI-RS resources in the first CSI-RS resource group.

[0341] In the above method, the first resource indication includes multiple CRIs, and adopts the method of indicating CSI-RS resources through CRI in the existing standard, which has good compatibility with the standard.

[0342] Under the limitations of the above method or embodiment, how to calculate the first CSI is determined by the manufacturer of the first node, or is implementation-dependent. A typical but non-limiting implementation is described below:

[0343] The first node measures P CSI-RS ports to obtain a channel parameter matrix Hr × P; when P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the P CSI-RS ports are all ports of the first CSI-RS resource, the first CSI indicates the first CSI-RS resource, and the first CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set; when P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource group, the P CSI-RS ports are composed of all ports of all CSI-RS resources in the first CSI-RS resource group, the first CSI-RS resource group includes multiple CSI-RS resources in the first CSI-RS resource set, and the total number of ports of all CSI-RS resources in the first CSI-RS resource group is equal to P. For the channel parameter matrix H r×P After power adjustment, the adjusted channel parameter matrix is Where Q is the ratio of the assumed PDSCH EPRE to the NZP CSI-RS EPRE. P×l Under the condition of , the channel parameter matrix after precoding is The PMI indication W for the number of ports P P×l , l is the rank or the number of layers, in one case l is a positive integer not greater than P, in another case the precoding matrix is ​​the identity matrix, in which case P = l; H is calculated using criteria such as SINR (Signal Interference Noise Ratio), EESM (Exponential Effective SINR Mapping), or RBIR (Received Block mean mutual Information Ratio). r×P ·W P×l The equivalent channel capacity is then determined by the equivalent channel capacity through a table lookup or the like to determine the CQI in the CSI with a port number of P.

[0344] Example 7

[0345] Embodiment 7 illustrates a schematic diagram of the relationship between at least one trigger offset and P according to an embodiment of the present application; Figure 7 shown.

[0346] In Embodiment 7, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a first trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a second trigger offset.

[0347] Typically, the first trigger offset is a trigger offset, and the second trigger offset is a trigger offset.

[0348] As an embodiment, the first triggering offset is configured by a higher layer parameter aperiodicTriggeringOffset or a higher layer parameter aperiodicTriggeringOffset-r16 or a higher layer parameter aperiodicTriggeringOffset-r17.

[0349] As an embodiment, the first trigger offset and the second trigger offset are configured by different higher layer parameters respectively.

[0350] As an embodiment, the IE used to configure the first CSI-RS resource set indicates the first trigger offset and the second trigger offset.

[0351] As an embodiment, the IE used to configure the first CSI-RS resource set is the IE NZP-CSI-RS-ResourceSet, and the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set indicates the first trigger offset and the second trigger offset.

[0352] In the above method, one CSI-RS resource set is configured with two trigger offsets, which is similar to the way in which the trigger offset is configured for each CSI-RS resource set in the standard, and has good compatibility.

[0353] As an embodiment, the first trigger offset and the second trigger offset are respectively indicated by two IEs, the IE indicating the first trigger offset is used to configure the first CSI-RS resource set, and the IE indicating the second trigger offset is different from any IE used to configure a CSI-RS resource set.

[0354] As an embodiment, the first trigger offset and the second trigger offset are respectively indicated by two IEs, the IE indicating the first trigger offset is the IENZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and the IE indicating the second trigger offset is different from any IE used to configure a CSI-RS resource set.

[0355] As an embodiment, the first trigger offset and the second trigger offset are respectively indicated by two IEs, the IE indicating the first trigger offset is used to configure the IENZP-CSI-RS-ResourceSet of the first CSI-RS resource set, and the IE indicating the second trigger offset includes the first CSI reporting configuration.

[0356] As an embodiment, the first trigger offset and the second trigger offset are respectively indicated by two IEs, the IE indicating the first trigger offset is used to configure the IENZP-CSI-RS-ResourceSet of the first CSI-RS resource set, and an IE indicating the second trigger offset includes a first CSI resource configuration, and the first CSI resource configuration indicates the first CSI-RS resource set.

[0357] As an embodiment, the first trigger offset and the second trigger offset are respectively indicated by two IEs, the IE indicating the first trigger offset is IENZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and an IE indicating the second trigger offset includes the first CSI reporting configuration, and the first CSI reporting configuration is IE CSI-ReportConfig.

[0358] As an embodiment, the first trigger offset and the second trigger offset are respectively indicated by two IEs, the IE indicating the first trigger offset is IENZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and an IE indicating the second trigger offset includes a first CSI resource configuration, the first CSI resource configuration is IE CSI-ResourceConfig, and the first CSI resource configuration indicates the first CSI-RS resource set.

[0359] In the above method, the first trigger offset is configured in the IE used to configure the first CSI-RS resource set, and the second trigger offset is not configured in the IE used to configure a CSI-RS resource set, which has higher flexibility.

[0360] Example 8

[0361] Embodiment 8 illustrates a schematic diagram of the relationship between at least one trigger offset and P according to another embodiment of the present application; Figure 8 shown.

[0362] In Embodiment 8, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes Q trigger offsets, where Q is a positive integer greater than 1.

[0363] As an embodiment, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a first trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes Q trigger offsets, and Q is a positive integer greater than 1.

[0364] As an embodiment, the IE indicating the first trigger offset is the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set.

[0365] As an embodiment, the IE used to configure the first CSI-RS resource set indicates the first trigger offset and the Q trigger offsets.

[0366] As an embodiment, the IE used to configure the first CSI-RS resource set is the IE NZP-CSI-RS-ResourceSet, and the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set indicates the first trigger offset and the Q trigger offsets.

[0367] As an embodiment, the IE used to configure the first CSI-RS resource set indicates the first trigger offset.

[0368] As an embodiment, the IE used to configure the first CSI-RS resource set indicates the Q trigger offsets.

[0369] As an embodiment, the IE used to configure the first CSI-RS resource set is the IE NZP-CSI-RS-ResourceSet, and the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set indicates the first trigger offset.

[0370] As an embodiment, the IE used to configure the first CSI-RS resource set is the IE NZP-CSI-RS-ResourceSet, and the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set indicates the Q trigger offsets.

[0371] In the above method, an IE of a CSI-RS resource set is configured to indicate trigger offsets in different situations, which is similar to the way in which the trigger offset is configured per CSI-RS resource set in the standard, and has good compatibility.

[0372] As an embodiment, the first trigger offset and the Q trigger offsets are respectively indicated by two IEs, the IE indicating the first trigger offset is used to configure the first CSI-RS resource set, and the IE indicating the Q trigger offsets is different from any IE used to configure a CSI-RS resource set.

[0373] As an embodiment, the Q trigger offsets are indicated by one IE, and the one IE indicating the Q trigger offsets is different from any IE used to configure a CSI-RS resource set.

[0374] As an embodiment, the IE indicating the first trigger offset is the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and the IE indicating any trigger offset among the Q trigger offsets is different from any IE used to configure a CSI-RS resource set.

[0375] As an embodiment, the IE indicating any triggering offset among the Q triggering offsets is different from any IE used to configure a CSI-RS resource set.

[0376] As an embodiment, the first trigger offset and the Q trigger offsets are respectively indicated by two IEs, the IE indicating the first trigger offset is the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and the IE indicating the Q trigger offsets includes the first CSI reporting configuration.

[0377] As an embodiment, the first trigger offset and the Q trigger offsets are respectively indicated by two IEs, the IE indicating the first trigger offset is the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and an IE indicating the Q trigger offsets includes a first CSI resource configuration, and the first CSI resource configuration indicates the first CSI-RS resource set.

[0378] As an embodiment, the first trigger offset and the Q trigger offsets are respectively indicated by two IEs, the IE indicating the first trigger offset is IENZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and the IE indicating the Q trigger offsets includes the first CSI reporting configuration, and the first CSI reporting configuration is IE CSI-ReportConfig.

[0379] As an embodiment, the first trigger offset and the Q trigger offsets are respectively indicated by two IEs, the IE indicating the first trigger offset is IENZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and an IE indicating the Q trigger offsets includes a first CSI resource configuration, the first CSI resource configuration is IE CSI-ResourceConfig, and the first CSI resource configuration indicates the first CSI-RS resource set.

[0380] In the above method, the first trigger offset is configured in the IE used to configure the first CSI-RS resource set, and the Q trigger offsets are not configured in the IE used to configure a CSI-RS resource set, which has higher flexibility.

[0381] As an embodiment, the first CSI-RS resource set includes Q CSI-RS resource groups, any CSI-RS resource group among the Q CSI-RS resource groups includes multiple CSI-RS resources in the first CSI-RS resource set, and the total number of ports of all CSI-RS resources in the same CSI-RS resource group among the Q CSI-RS resource groups is equal to the P; Q IEs are respectively used to configure the Q CSI-RS resource groups, and the Q IEs respectively indicate the Q trigger offsets.

[0382] As an embodiment, the first CSI-RS resource set includes Q CSI-RS resource groups, any CSI-RS resource group among the Q CSI-RS resource groups includes multiple CSI-RS resources in the first CSI-RS resource set, and the total number of ports of all CSI-RS resources in the same CSI-RS resource group among the Q CSI-RS resource groups is equal to the P; Q IEs are respectively used to configure the Q CSI-RS resource groups, the Q IEs respectively indicate the Q trigger offsets, and any IE among the Q IEs is not IE NZP-CSI-RS-ResourceSet.

[0383] In the above method, the trigger offset is configured per CSI-RS resource group, which has high flexibility, simple system design, and small changes to the standard.

[0384] Example 9

[0385] Embodiment 9 illustrates a schematic diagram of the relationship between at least one trigger offset and P according to another embodiment of the present application; Fig.11 As shown in the attached Fig. 9 , CSI-RS resource #1, ..., CSI-RS resource #M are M CSI-RS resources; trigger offset #1, ..., trigger offset #M are M trigger offsets.

[0386] In Example 9, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes M trigger offsets, M is a positive integer greater than 1, the first CSI-RS resource set includes M CSI-RS resources, the at least one time unit includes the time units to which the M CSI-RS resources respectively belong in the time domain, and the time units to which the M CSI-RS resources respectively belong in the time domain depend on the M trigger offsets respectively.

[0387] As an embodiment, the at least one time unit includes the time units to which the M CSI-RS resources respectively belong in the time domain, including: the M trigger offsets are different from each other, the at least one time unit includes M time units, and the M time units respectively include the M CSI-RS resources.

[0388] As an embodiment, the at least one time unit includes the time units to which the M CSI-RS resources respectively belong in the time domain, including: the M trigger offsets are the same, the at least one time unit includes only one time unit, and the time units to which the M CSI-RS resources respectively belong in the time domain are both the only one time unit.

[0389] As an embodiment, the at least one time unit includes the time units to which the M CSI-RS resources belong in the time domain respectively, including: there are two identical trigger offsets among the M trigger offsets, the at least one time unit includes N time units, N is a positive integer less than M, and any time unit among the N time units includes one or more CSI-RS resources among the M CSI-RS resources.

[0390] As an embodiment, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a first trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes M trigger offsets, M is a positive integer greater than 1, the first CSI-RS resource set includes M CSI-RS resources, and the time units to which the M CSI-RS resources respectively belong in the time domain depend on the M trigger offsets respectively.

[0391] As an embodiment, the IE indicating the first trigger offset is the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set.

[0392] As an embodiment, the IE used to configure the first CSI-RS resource set indicates the first trigger offset and the M trigger offsets.

[0393] As an embodiment, the IE used to configure the first CSI-RS resource set is the IE NZP-CSI-RS-ResourceSet, and the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set indicates the first trigger offset and the M trigger offsets.

[0394] As an embodiment, the IE used to configure the first CSI-RS resource set indicates the first trigger offset.

[0395] As an embodiment, the IE used to configure the first CSI-RS resource set indicates the M trigger offsets.

[0396] As an embodiment, the IE used to configure the first CSI-RS resource set is the IE NZP-CSI-RS-ResourceSet, and the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set indicates the first trigger offset.

[0397] As an embodiment, the IE used to configure the first CSI-RS resource set is the IE NZP-CSI-RS-ResourceSet, and the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set indicates the M trigger offsets.

[0398] As an embodiment, the first trigger offset and the M trigger offsets are respectively indicated by two IEs, the IE indicating the first trigger offset is used to configure the first CSI-RS resource set, and the IE indicating the M trigger offsets is different from any IE used to configure a CSI-RS resource set.

[0399] As an embodiment, the M trigger offsets are indicated by one IE, and the one IE indicating the M trigger offsets is different from any IE used to configure a CSI-RS resource set.

[0400] As an embodiment, the IE indicating the first trigger offset is the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and the IE indicating any trigger offset among the M trigger offsets is different from any IE used to configure a CSI-RS resource set.

[0401] As an embodiment, the IE indicating any triggering offset among the M triggering offsets is different from any IE used to configure a CSI-RS resource set.

[0402] As an embodiment, the first trigger offset and the M trigger offsets are respectively indicated by two IEs, the IE indicating the first trigger offset is the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and the IE indicating the M trigger offsets includes the first CSI reporting configuration.

[0403] As an embodiment, the first trigger offset and the M trigger offsets are respectively indicated by two IEs, the IE indicating the first trigger offset is the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and the IE indicating the M trigger offsets includes a first CSI resource configuration, and the first CSI resource configuration indicates the first CSI-RS resource set.

[0404] As an embodiment, the first trigger offset and the M trigger offsets are respectively indicated by two IEs, the IE indicating the first trigger offset is the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and the IE indicating the M trigger offsets includes the first CSI reporting configuration, and the first CSI reporting configuration is the IE CSI-ReportConfig.

[0405] As an embodiment, the first trigger offset and the M trigger offsets are respectively indicated by two IEs, the IE indicating the first trigger offset is the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, and an IE indicating the M trigger offsets includes a first CSI resource configuration, the first CSI resource configuration is the IE CSI-ResourceConfig, and the first CSI resource configuration indicates the first CSI-RS resource set.

[0406] In the above method, the M trigger offsets are not configured in the IE used to configure a CSI-RS resource set, which has higher flexibility.

[0407] As an embodiment, the IE indicating the first trigger offset is the IE NZP-CSI-RS-ResourceSet used to configure the first CSI-RS resource set, M IEs are respectively used to configure the M CSI-RS resources, and the M IEs respectively indicate the M trigger offsets.

[0408] As an embodiment, M IEs are respectively used to configure the M CSI-RS resources, and the M IEs respectively indicate the M trigger offsets.

[0409] As an embodiment, M IEs NZP-CSI-RS-Resource are respectively used to configure the M CSI-RS resources, and the M IEs respectively indicate the M trigger offsets.

[0410] In the above method, the trigger offset is configured per CSI-RS resource, which has good flexibility, simple system design, and minor changes to the standard.

[0411] Example 10

[0412] Embodiment 10 illustrates a schematic diagram of the relationship between at least one time unit and at least one trigger offset according to an embodiment of the present application; Fig.10 shown.

[0413] In embodiment 10, when P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the first CSI-RS resource set belongs to a time unit in the time domain, and the time unit to which the first CSI-RS resource set belongs in the time domain depends on the time domain resources occupied by the first signaling and a trigger offset.

[0414] As an embodiment, a time unit in the time domain to which the first CSI-RS resource set belongs depends on a time unit in the time domain resources occupied by the first signaling and a trigger offset, including: a time unit in the time domain to which the first CSI-RS resource set belongs depends on a time unit in the time domain resources occupied by the first signaling and a trigger offset.

[0415] As an embodiment, a time unit in the time domain to which the first CSI-RS resource set belongs depends on the time domain resources occupied by the first signaling and a trigger offset, including: a time unit in the time domain to which the first CSI-RS resource set belongs depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs and a trigger offset.

[0416] As an embodiment, a time unit in the time domain to which the first CSI-RS resource set belongs depends on the time domain resources occupied by the first signaling and a trigger offset, including: As an embodiment, a time unit in the time domain to which the first CSI-RS resource set belongs depends on the termination symbol of the time domain resources occupied by the first signaling and a trigger offset.

[0417] Among the above methods, the compatibility with the standard is good.

[0418] Embodiment 11

[0419] Embodiment 11 illustrates a schematic diagram of the relationship between at least one time unit and at least one trigger offset according to another embodiment of the present application; Fig.11 As shown in the attached Fig.11, CSI-RS resource group #1, ..., CSI-RS resource group #Q are Q CSI-RS resource groups; trigger offset #1, ..., trigger offset #Q are Q trigger offsets.

[0420] In embodiment 11, when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the first CSI-RS resource set includes Q CSI-RS resource groups, any CSI-RS resource group in the Q CSI-RS resource groups includes multiple CSI-RS resources in the first CSI-RS resource set, the total number of ports of all CSI-RS resources in any CSI-RS resource group in the Q CSI-RS resource groups is equal to the P, and the at least one time unit includes the time units to which the Q CSI-RS resource groups respectively belong in the time domain, and the time units to which the Q CSI-RS resource groups respectively belong in the time domain respectively depend on the Q trigger offsets.

[0421] As an embodiment, the at least one time unit includes the time units to which the Q CSI-RS resource groups respectively belong in the time domain, including: the Q trigger offsets are different from each other, the at least one time unit includes Q time units, and the Q time units respectively include the Q CSI-RS resource groups.

[0422] As an embodiment, the at least one time unit includes the time units to which the Q CSI-RS resource groups respectively belong in the time domain, including: the Q trigger offsets are all the same, the at least one time unit includes only one time unit, and the time units to which the Q CSI-RS resource groups respectively belong in the time domain are both the only one time unit.

[0423] As an embodiment, the at least one time unit includes the time units to which the Q CSI-RS resource groups respectively belong in the time domain, including: there are two identical trigger offsets among the Q trigger offsets, the at least one time unit includes S time units, S is a positive integer less than the Q, and any time unit among the S time units includes one or more CSI-RS resource groups among the Q CSI-RS resource groups.

[0424] As an embodiment, when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the first CSI-RS resource set includes Q CSI-RS resource groups, all CSI-RS resources in the same CSI-RS resource group among the Q CSI-RS resource groups belong to one time unit in the time domain, and the time units to which the Q CSI-RS resource groups respectively belong in the time domain respectively depend on the Q trigger offsets.

[0425] As an embodiment, the reference CSI-RS resource group is one of the Q CSI-RS resource groups, the reference CSI-RS resource group belongs to a reference time unit in the time domain, the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, and the reference trigger offset is one of the Q trigger offsets.

[0426] Among the above methods, flexibility is better, system design is simple, and changes to the standard are minor.

[0427] Example 12

[0428] Embodiment 12 illustrates a schematic diagram of the relationship between the reference CSI-RS resource, the reference time unit, and the reference trigger offset according to an embodiment of the present application; Fig.12 shown.

[0429] In embodiment 12, the reference CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set, the reference CSI-RS resource belongs to a reference time unit in the time domain, and the at least one time unit includes the reference time unit; the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, and the at least one trigger offset includes the reference trigger offset.

[0430] Typically, the reference time unit is one time unit.

[0431] As an embodiment, when P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one time unit is the reference time unit, and the at least one trigger offset is the reference trigger offset.

[0432] As an embodiment, when P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one time unit is the reference time unit, the at least one trigger offset is the reference trigger offset, and the reference trigger offset is the first trigger offset in this application.

[0433] As an embodiment, when the P is equal to the port number of a CSI-RS resource in the first CSI-RS resource set, the first CSI-RS resource set belongs to a time unit in the time domain, the reference CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set, the reference time unit is the time unit to which the first CSI-RS resource set belongs in the time domain, the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, and the at least one trigger offset is the reference trigger offset.

[0434] As an embodiment, when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the first CSI-RS resource set belongs to a time unit in the time domain, the reference CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set, the reference time unit is the time unit to which the first CSI-RS resource set belongs in the time domain, the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, the at least one trigger offset is the reference trigger offset, and the reference trigger offset is the first trigger offset in this application.

[0435] As an embodiment, when P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one time unit is the reference time unit, and the at least one trigger offset is the reference trigger offset.

[0436] As an embodiment, when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one time unit is the reference time unit, the at least one trigger offset is the reference trigger offset, and the reference trigger offset is the second trigger offset in the present application.

[0437] As an embodiment, when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one time unit includes one or more time units, the reference time unit is a time unit in the at least one time unit, the at least one trigger offset includes one or more trigger offsets, and the reference trigger offset is a trigger offset in the at least one trigger offset.

[0438] As an embodiment, when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one time unit includes multiple time units, the reference time unit is one time unit among the at least one time unit, the at least one trigger offset includes multiple trigger offsets, and the reference trigger offset is one trigger offset among the at least one trigger offset.

[0439] As an embodiment, when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the first CSI-RS resource set includes Q CSI-RS resource groups, any CSI-RS resource group in the Q CSI-RS resource groups includes multiple CSI-RS resources in the first CSI-RS resource set, the total number of ports of all CSI-RS resources in any CSI-RS resource group in the Q CSI-RS resource groups is equal to the P, and the at least one time unit includes the Q CSI-RS resource groups in the time domain. The time units to which the Q CSI-RS resource groups respectively belong in the time domain respectively depend on the Q trigger offsets, the reference CSI-RS resource is a CSI-RS resource in the reference CSI-RS resource group, the reference CSI-RS resource group is a CSI-RS resource group among the Q CSI-RS resource groups, the reference CSI-RS resource group belongs to a reference time unit in the time domain, the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, and the reference trigger offset is a trigger offset among the Q trigger offsets.

[0440] As an embodiment, when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes M trigger offsets, M is a positive integer greater than 1, the first CSI-RS resource set includes M CSI-RS resources, the at least one time unit includes the time units to which the M CSI-RS resources respectively belong in the time domain, the time units to which the M CSI-RS resources respectively belong in the time domain respectively depend on the M trigger offsets, the reference CSI-RS resource is one of the M CSI-RS resources, the reference CSI-RS resource belongs to a reference time unit in the time domain, the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, and the reference trigger offset is one of the M trigger offsets.

[0441] As an embodiment, the reference trigger offset is predefined or configured by a higher layer parameter.

[0442] As an embodiment, the at least one trigger offset is predefined or configured by a higher layer parameter.

[0443] As an embodiment, the first trigger offset is predefined or configured by a higher layer parameter.

[0444] As an embodiment, some or all of the Q trigger offsets are predefined or configured by higher layer parameters.

[0445] As an embodiment, some or all of the M trigger offsets are predefined or configured by higher layer parameters.

[0446] As an embodiment, the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, including: the time domain resources occupied by the first signaling belong to a time unit, and the reference time unit depends on the time unit and the reference trigger offset to which the time domain resources occupied by the first signaling belong.

[0447] As an embodiment, the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, including: the time domain resources occupied by the first signaling belong to one or more time units, and the reference time unit depends on the time unit and reference trigger offset to which the termination symbol of the time domain resources occupied by the first signaling belongs.

[0448] As an embodiment, the reference time unit depends on the time unit to which the time domain resources occupied by the first signaling belong and the reference trigger offset, including: the time unit to which the time domain resources occupied by the first signaling belong is the first time unit, or the first time unit depends on the time unit to which the time domain resources occupied by the first signaling belong; the reference time unit is later than the first time unit by at least the reference trigger offset.

[0449] As an embodiment, the reference time unit depends on the time unit to which the time domain resources occupied by the first signaling belong and the reference trigger offset, including: the time unit to which the time domain resources occupied by the first signaling belong is the first time unit, or the first time unit depends on the time unit to which the time domain resources occupied by the first signaling belong; the reference time unit is later than the first time unit by at least the reference trigger offset, the reference trigger offset is a non-negative integer, and the unit of the reference trigger offset is the time unit.

[0450] As an embodiment, the reference time unit depends on the time unit to which the time domain resources occupied by the first signaling belong and the reference trigger offset, including: the time unit to which the time domain resources occupied by the first signaling belong is the first time unit, or the first time unit depends on the time unit to which the time domain resources occupied by the first signaling belong; the reference time unit is later than the first time unit by at least the first time offset, and the first time offset is equal to or greater than the reference trigger offset.

[0451] As an embodiment, the reference time unit depends on the time unit to which the time domain resources occupied by the first signaling belong and the reference trigger offset, including: the time unit to which the time domain resources occupied by the first signaling belong is the first time unit n, or the first time unit n depends on the time unit to which the time domain resources occupied by the first signaling belong; the reference time unit is no earlier than time unit n+X, where X is the reference trigger offset, the reference trigger offset is a non-negative integer, and the unit of the reference trigger offset is the time unit.

[0452] As an embodiment, the reference time unit depends on the time unit to which the time domain resources occupied by the first signaling belong and the reference trigger offset, including: the time unit to which the time domain resources occupied by the first signaling belong is the first time unit n, or the first time unit n depends on the time unit to which the time domain resources occupied by the first signaling belong; the reference time unit is equal to or later than time unit n+X, where X is the reference trigger offset, the reference trigger offset is a non-negative integer, and the unit of the reference trigger offset is the time unit.

[0453] As an embodiment, the reference time unit depends on the time unit to which the time domain resources occupied by the first signaling belong and the reference trigger offset, including: the time unit to which the time domain resources occupied by the first signaling belong is the first time unit n, or the first time unit n depends on the time unit to which the time domain resources occupied by the first signaling belong; the reference time unit is equal to or later than time unit n+X+Y, wherein X is the reference trigger offset, the reference trigger offset is a non-negative integer, the unit of the reference trigger offset is the time unit, and Y is predefined or configured or determined by a higher layer parameter.

[0454] As an embodiment, the reference time unit depends on the time unit to which the time domain resources occupied by the first signaling belong and the reference trigger offset, including: the time unit to which the time domain resources occupied by the first signaling belong is the first time unit, or the first time unit depends on the time unit to which the time domain resources occupied by the first signaling belong; the reference time unit is later than the first time unit, and the offset between the reference time unit and the first time unit is equal to the first time offset, and the first time offset is equal to the sum of the reference trigger offset and the second time offset; the second time offset is a non-negative integer, or the second time offset is a non-negative integer, and the unit of the reference trigger offset and the unit of the second time offset are both the time unit.

[0455] As an embodiment, the reference time unit depends on the time unit to which the time domain resources occupied by the first signaling belong and the reference trigger offset, including: the time unit to which the time domain resources occupied by the first signaling belong is the first time unit, or the first time unit depends on the time unit to which the time domain resources occupied by the first signaling belong; the reference time unit is later than the first time unit, and the offset between the reference time unit and the first time unit is equal to the first time offset, the first time offset is equal to the sum of the reference trigger offset and the second time offset, the reference trigger offset is a non-negative integer, the second time offset is a non-negative integer, and the unit of the reference trigger offset and the unit of the second time offset are both the time unit; the second time offset is equal in, and μ offset,PDCCH is determined by a higher layer parameter ca-SlotOffset configured for the cell receiving the first signaling, and μ offset,CSIRS Determined by a higher layer parameter ca-SlotOffset of the cell configured to send the CSI-RS in the first CSI-RS resource set.

[0456] As an embodiment, the reference time unit depends on the time unit to which the time domain resources occupied by the first signaling belong and the reference trigger offset, including: the time unit to which the time domain resources occupied by the first signaling belong is the first time unit n, or the first time unit n depends on the time unit to which the time domain resources occupied by the first signaling belong; the reference time unit is Wherein, X is the reference trigger offset, the reference trigger offset is a non-negative integer, and the unit of the reference trigger offset is the time unit. and μ offset,PDCCH is determined by a higher layer parameter ca-SlotOffset configured for the cell receiving the first signaling, and μoffset,CSIRS Determined by a higher layer parameter ca-SlotOffset of the cell configured to send the CSI-RS in the first CSI-RS resource set.

[0457] As an embodiment, the reference time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs and the reference trigger offset, including: the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs is the first time unit, or the first time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs; the reference time unit is later than the first time unit by at least the reference trigger offset.

[0458] As an embodiment, the reference time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs and the reference trigger offset, including: the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs is the first time unit, or the first time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs; the reference time unit is later than the first time unit by at least the reference trigger offset, the reference trigger offset is a non-negative integer, and the unit of the reference trigger offset is the time unit.

[0459] As an embodiment, the reference time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs and the reference trigger offset, including: the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs is the first time unit, or the first time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs; the reference time unit is later than the first time unit by at least the first time offset, and the first time offset is equal to or greater than the reference trigger offset.

[0460] As an embodiment, the reference time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs and the reference trigger offset, including: the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs is the first time unit n, or the first time unit n depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs; the reference time unit is no earlier than time unit n+X, where X is the reference trigger offset, the reference trigger offset is a non-negative integer, and the unit of the reference trigger offset is the time unit.

[0461] As an embodiment, the reference time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs and the reference trigger offset, including: the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs is the first time unit n, or the first time unit n depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs; the reference time unit is equal to or later than time unit n+X, where X is the reference trigger offset, the reference trigger offset is a non-negative integer, and the unit of the reference trigger offset is the time unit.

[0462] As an embodiment, the reference time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs and the reference trigger offset, including: the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs is the first time unit n, or the first time unit n depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs; the reference time unit is equal to or later than time unit n+X+Y, wherein X is the reference trigger offset, the reference trigger offset is a non-negative integer, the unit of the reference trigger offset is the time unit, and Y is predefined or configured or determined by a higher layer parameter.

[0463] As an embodiment, the reference time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs and the reference trigger offset, including: the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs is the first time unit, or the first time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs; the reference time unit is later than the first time unit, and the offset between the reference time unit and the first time unit is equal to the first time offset, and the first time offset is equal to the sum of the reference trigger offset and the second time offset; the second time offset is a non-negative integer, or the second time offset is a non-negative integer, and the unit of the reference trigger offset and the unit of the second time offset are both the time unit.

[0464] As an embodiment, the reference time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs and the reference trigger offset, including: the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs is the first time unit, or the first time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs; the reference time unit is later than the first time unit, and the offset between the reference time unit and the first time unit is equal to the first time offset, the first time offset is equal to the sum of the reference trigger offset and the second time offset, the reference trigger offset is a non-negative integer, the second time offset is a non-negative integer, and the unit of the reference trigger offset and the unit of the second time offset are both the time unit; the second time offset is equal in, and μ offset,PDCCH is determined by a higher layer parameter ca-SlotOffset configured for the cell receiving the first signaling, and μ offset,CSIRS Determined by a higher layer parameter ca-SlotOffset of the cell configured to send the CSI-RS in the first CSI-RS resource set.

[0465] As an embodiment, the reference time unit depends on the time unit to which the termination symbol of the time domain resource occupied by the first signaling belongs and the reference trigger offset, including: the time unit to which the termination symbol of the time domain resource occupied by the first signaling belongs is the first time unit n, or the first time unit n depends on the time unit to which the termination symbol of the time domain resource occupied by the first signaling belongs; the reference time unit is n+X+ Wherein, X is the reference trigger offset, the reference trigger offset is a non-negative integer, the unit of the reference trigger offset is the time unit, μ CSIRS is the subcarrier spacing configuration of the CSI-RS in the first CSI-RS resource set, and μ offset,PDCCH is determined by a higher layer parameter ca-SlotOffset configured for the cell receiving the first signaling, and μ offset,CSIRS Determined by a higher layer parameter ca-SlotOffset of the cell configured to send the CSI-RS in the first CSI-RS resource set.

[0466] As an embodiment, the first time unit depends on the time unit to which the time domain resources occupied by the first signaling belong, including: when the subcarrier spacing of the CSI-RS in the first CSI-RS resource set is the same as the subcarrier spacing of the first signaling, the first time unit is the time unit to which the time domain resources occupied by the first signaling belong.

[0467] As an embodiment, the first time unit depends on the time unit to which the time domain resources occupied by the first signaling belong, including: when the subcarrier spacing of the CSI-RS in the first CSI-RS resource set and the subcarrier spacing of the first signaling are different, the first time unit depends on the time unit to which the time domain resources occupied by the first signaling belong, the subcarrier spacing of the CSI-RS in the first CSI-RS resource set and the subcarrier spacing of the first signaling.

[0468] As an embodiment, the first time unit depends on the time unit to which the time domain resource occupied by the first signaling belongs, including: when the subcarrier spacing of the CSI-RS in the first CSI-RS resource set is different from the subcarrier spacing of the first signaling, the first time unit is Wherein m is the time unit to which the time domain resources occupied by the first signaling belong, a is the subcarrier spacing of the CSI-RS in the first CSI-RS resource set, and b is the subcarrier spacing of the first signaling.

[0469] As an embodiment, the first time unit depends on the time unit to which the time domain resource occupied by the first signaling belongs, including: the first time unit is Where m is the time unit to which the time domain resource occupied by the first signaling belongs, μ CSIRS is the subcarrier spacing configuration of the CSI-RS in the first CSI-RS resource set, μ PDCCH It is the subcarrier spacing configuration of the first signaling.

[0470] As an embodiment, the first time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs, including: when the subcarrier spacing of the CSI-RS in the first CSI-RS resource set is the same as the subcarrier spacing of the first signaling, the first time unit is the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs.

[0471] As an embodiment, the first time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs, including: when the subcarrier spacing of the CSI-RS in the first CSI-RS resource set and the subcarrier spacing of the first signaling are different, the first time unit depends on the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs, the subcarrier spacing of the CSI-RS in the first CSI-RS resource set and the subcarrier spacing of the first signaling.

[0472] As an embodiment, the first time unit depends on the time unit to which the termination symbol of the time domain resource occupied by the first signaling belongs, including: when the subcarrier spacing of the CSI-RS in the first CSI-RS resource set is different from the subcarrier spacing of the first signaling, the first time unit is Wherein m is the time unit to which the termination symbol of the time domain resources occupied by the first signaling belongs, a is the subcarrier spacing of the CSI-RS in the first CSI-RS resource set, and b is the subcarrier spacing of the first signaling.

[0473] As an embodiment, the first time unit depends on the time unit to which the termination symbol of the time domain resource occupied by the first signaling belongs, including: the first time unit is Wherein m is the time unit to which the termination symbol of the time domain resource occupied by the first signaling belongs, μ CSIRS is the subcarrier spacing configuration of the CSI-RS in the first CSI-RS resource set, μ PDCCH It is the subcarrier spacing configuration of the first signaling.

[0474] Embodiment 13

[0475] Embodiment 13 illustrates a structural block diagram of a processing device used in a first node device according to an embodiment of the present application; Fig.13 As shown in the attached Fig.13 In the embodiment, the processing device 1200 in the first node device includes a first receiver 1201 and a first transmitter 1202.

[0476] As an embodiment, the first node device is a user equipment.

[0477] As an embodiment, the first node device is a relay node device.

[0478] As an embodiment, the first receiver 1201 includes at least one of {antenna 452, receiver 454, receiving processor 456, multi-antenna receiving processor 458, controller / processor 459, memory 460, data source 467} in Embodiment 4.

[0479] As an embodiment, the first transmitter 1202 includes at least one of {antenna 452, transmitter 454, transmit processor 468, multi-antenna transmit processor 457, controller / processor 459, memory 460, data source 467} in Embodiment 4.

[0480] The first receiver 1201 receives a first CSI reporting configuration, where the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, where the first CSI-RS resource set includes multiple CSI-RS resources; the first CSI reporting configuration is used to configure reporting of CSI for a port number of P, where P is a positive integer greater than 1; receives a first signaling; receives part or all of the CSI-RS in the first CSI-RS resource set;

[0481] The first transmitter 1202 sends a first CSI; the first signaling is used to trigger the first CSI, and the first CSI is the CSI for the number of ports P configured by the first CSI reporting configuration;

[0482] In embodiment 13, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0483] As an embodiment, when the P is equal to the port number of a CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource, and the first CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set; when the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource group, the first CSI-RS resource group includes multiple CSI-RS resources in the first CSI-RS resource set, and the total port number of all CSI-RS resources in the first CSI-RS resource group is equal to the P.

[0484] As an embodiment, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a first trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a second trigger offset.

[0485] As an embodiment, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes Q trigger offsets, and Q is a positive integer greater than 1.

[0486] As an embodiment, when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the first CSI-RS resource set includes Q CSI-RS resource groups, any CSI-RS resource group in the Q CSI-RS resource groups includes multiple CSI-RS resources in the first CSI-RS resource set, the total number of ports of all CSI-RS resources in any CSI-RS resource group in the Q CSI-RS resource groups is equal to the P, and the at least one time unit includes the time units to which the Q CSI-RS resource groups respectively belong in the time domain, and the time units to which the Q CSI-RS resource groups respectively belong in the time domain respectively depend on the Q trigger offsets.

[0487] As an embodiment, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes M trigger offsets, M is a positive integer greater than 1, the first CSI-RS resource set includes M CSI-RS resources, the at least one time unit includes the time units to which the M CSI-RS resources respectively belong in the time domain, and the time units to which the M CSI-RS resources respectively belong in the time domain depend on the M trigger offsets respectively.

[0488] As an embodiment, the reference CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set, the reference CSI-RS resource belongs to a reference time unit in the time domain, and the at least one time unit includes the reference time unit; the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, and the at least one trigger offset includes the reference trigger offset.

[0489] Embodiment 14

[0490] Embodiment 14 illustrates a structural block diagram of a processing device used in a second node device according to an embodiment of the present application; Fig.14 As shown in the attached Fig.14 In the embodiment, the processing device 1300 in the second node device includes a second transmitter 1301 and a second receiver 1302.

[0491] As an embodiment, the second node device is a base station.

[0492] As an embodiment, the second node device is a user equipment.

[0493] As an embodiment, the second node device is a relay node device.

[0494] As an embodiment, the second transmitter 1301 includes at least one of {antenna 420, transmitter 418, transmit processor 416, multi-antenna transmit processor 471, controller / processor 475, memory 476} in Embodiment 4.

[0495] As an embodiment, the second receiver 1302 includes at least one of {antenna 420, receiver 418, receiving processor 470, multi-antenna receiving processor 472, controller / processor 475, memory 476} in Embodiment 4.

[0496] The second transmitter 1301 sends a first CSI reporting configuration, where the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, where the first CSI-RS resource set includes multiple CSI-RS resources; the first CSI reporting configuration is used to configure reporting of CSI with a port number of P, where P is a positive integer greater than 1; sends a first signaling; sends part or all of the CSI-RS in the first CSI-RS resource set;

[0497] The second receiver 1302 receives a first CSI; the first signaling is used to trigger the first CSI, and the first CSI is the CSI for the number of ports P configured by the first CSI reporting configuration;

[0498] In embodiment 14, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

[0499] As an embodiment, when the P is equal to the port number of a CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource, and the first CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set; when the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource group, the first CSI-RS resource group includes multiple CSI-RS resources in the first CSI-RS resource set, and the total port number of all CSI-RS resources in the first CSI-RS resource group is equal to the P.

[0500] As an embodiment, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a first trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a second trigger offset.

[0501] As an embodiment, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes Q trigger offsets, and Q is a positive integer greater than 1.

[0502] As an embodiment, when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the first CSI-RS resource set includes Q CSI-RS resource groups, any CSI-RS resource group in the Q CSI-RS resource groups includes multiple CSI-RS resources in the first CSI-RS resource set, the total number of ports of all CSI-RS resources in any CSI-RS resource group in the Q CSI-RS resource groups is equal to the P, and the at least one time unit includes the time units to which the Q CSI-RS resource groups respectively belong in the time domain, and the time units to which the Q CSI-RS resource groups respectively belong in the time domain respectively depend on the Q trigger offsets.

[0503] As an embodiment, the at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes M trigger offsets, M is a positive integer greater than 1, the first CSI-RS resource set includes M CSI-RS resources, the at least one time unit includes the time units to which the M CSI-RS resources respectively belong in the time domain, and the time units to which the M CSI-RS resources respectively belong in the time domain depend on the M trigger offsets respectively.

[0504] As an embodiment, the reference CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set, the reference CSI-RS resource belongs to a reference time unit in the time domain, and the at least one time unit includes the reference time unit; the reference time unit depends on the time domain resources occupied by the first signaling and the reference trigger offset, and the at least one trigger offset includes the reference trigger offset.

[0505] A person of ordinary skill in the art can understand that all or part of the steps in the above method can be completed by instructing the relevant hardware through a program, and the program can be stored in a computer-readable storage medium, such as a read-only memory, a hard disk or an optical disk. Optionally, all or part of the steps in the above embodiment can also be implemented using one or more integrated circuits. Accordingly, each module unit in the above embodiment can be implemented in the form of hardware or in the form of a software function module, and the present application is not limited to any specific form of software and hardware combination. The user equipment, terminal and UE in the present application include but are not limited to drones, communication modules on drones, remote-controlled aircraft, aircraft, small aircraft, mobile phones, tablet computers, notebooks, vehicle-mounted communication equipment, wireless sensors, Internet cards, Internet of Things terminals, RFID terminals, NB-IOT terminals, MTC (Machine Type Communication, Machine Type Communication) terminals, eMTC (enhanced MTC, enhanced MTC) terminals, data cards, Internet cards, vehicle-mounted communication equipment, low-cost mobile phones, low-cost tablet computers and other wireless communication devices. The base stations or system devices in this application include but are not limited to macrocell base stations, microcell base stations, home base stations, relay base stations, gNB (NR Node B) NR Node B, TRP (Transmitter Receiver Point) and other wireless communication devices.

[0506] The above is only a preferred embodiment of the present application and is not intended to limit the scope of protection of the present application. Any changes and modifications made based on the embodiments described in the specification, if similar partial or complete technical effects can be obtained, should be considered obvious and fall within the scope of protection of the present invention.

Claims

1. A first node device for wireless communication, characterized in that: include: A first receiver receives a first CSI reporting configuration, wherein the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, wherein the first CSI-RS resource set includes a plurality of CSI-RS resources; the first CSI reporting configuration is used to configure reporting of CSI for a port number of P, where P is a positive integer greater than 1; receives a first signaling; and receives part or all of the CSI-RS in the first CSI-RS resource set; A first transmitter sends a first CSI; The first signaling is used to trigger the first CSI, where the first CSI is the CSI for a port number P configured by the first CSI reporting configuration; Among them, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

2. The first node device according to claim 1, characterized in that: When the P is equal to the port number of a CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource, and the first CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set; when the P is greater than the port number of any CSI-RS resource in the first CSI-RS resource set, the first CSI indicates a first CSI-RS resource group, the first CSI-RS resource group includes multiple CSI-RS resources in the first CSI-RS resource set, and the total port number of all CSI-RS resources in the first CSI-RS resource group is equal to the P.

3. The first node device according to claim 1 or 2, characterized in that: The at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a first trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a second trigger offset.

4. The first node device according to claim 1 or 2, characterized in that: The at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes Q trigger offsets, and Q is a positive integer greater than 1.

5. The first node device according to claim 4, characterized in that: When the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the first CSI-RS resource set includes Q CSI-RS resource groups, any CSI-RS resource group in the Q CSI-RS resource groups includes multiple CSI-RS resources in the first CSI-RS resource set, the total number of ports of all CSI-RS resources in any CSI-RS resource group in the Q CSI-RS resource groups is equal to the P, and the at least one time unit includes the time units to which the Q CSI-RS resource groups respectively belong in the time domain, and the time units to which the Q CSI-RS resource groups respectively belong in the time domain respectively depend on the Q trigger offsets.

6. The first node device according to claim 1 or 2, characterized in that: The at least one trigger offset depends on whether the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, including: when the P is equal to the number of ports of a CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset is a trigger offset; when the P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set, the at least one trigger offset includes M trigger offsets, M is a positive integer greater than 1, the first CSI-RS resource set includes M CSI-RS resources, the at least one time unit includes the time units to which the M CSI-RS resources respectively belong in the time domain, and the time units to which the M CSI-RS resources respectively belong in the time domain depend on the M trigger offsets respectively.

7. The first node device according to any one of claims 1 to 6, characterized in that: The reference CSI-RS resource is a CSI-RS resource in the first CSI-RS resource set, the reference CSI-RS resource belongs to a reference time unit in the time domain, and the at least one time unit includes the reference time unit; The reference time unit depends on the time domain resources occupied by the first signaling and a reference trigger offset, and the at least one trigger offset includes the reference trigger offset.

8. A second node device for wireless communication, characterized in that: include: A second transmitter sends a first CSI reporting configuration, where the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, where the first CSI-RS resource set includes multiple CSI-RS resources; the first CSI reporting configuration is used to configure reporting of CSI for a port number of P, where P is a positive integer greater than 1; and sends a first signaling; Sending part or all of the CSI-RS in the first CSI-RS resource set; A second receiver receives the first CSI; The first signaling is used to trigger the first CSI, where the first CSI is the CSI for a port number P configured by the first CSI reporting configuration; Among them, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

9. A method in a first node for wireless communication, characterized in that: include: receiving a first CSI reporting configuration, where the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, where the first CSI-RS resource set includes a plurality of CSI-RS resources; the first CSI reporting configuration is used to configure reporting of CSI for a number of ports being P, where P is a positive integer greater than 1; receiving a first signaling; receiving part or all of the CSI-RS in the first CSI-RS resource set; Sending a first CSI; The first signaling is used to trigger the first CSI, where the first CSI is the CSI for a port number P configured by the first CSI reporting configuration; Among them, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

10. A method in a second node for wireless communication, characterized in that: include: Sending a first CSI reporting configuration, where the first CSI reporting configuration indicates a first CSI-RS resource set for channel measurement, where the first CSI-RS resource set includes multiple CSI-RS resources; the first CSI reporting configuration is used to configure reporting of CSI for a port number of P, where P is a positive integer greater than 1; Sending a first signaling; Sending part or all of the CSI-RS in the first CSI-RS resource set; receiving a first CSI; The first signaling is used to trigger the first CSI, where the first CSI is the CSI for a port number P configured by the first CSI reporting configuration; Among them, the first CSI-RS resource set belongs to at least one time unit in the time domain, and the at least one time unit depends on the time domain resources occupied by the first signaling and at least one trigger offset; the at least one trigger offset depends on whether P is greater than the number of ports of any CSI-RS resource in the first CSI-RS resource set.

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