Method used for wireless communications, and apparatus

Abstract

Disclosed in the present application are a method for wireless communications and an apparatus. The method comprises: a first node receiving a first signaling, the first signaling scheduling a first physical layer channel; performing receiving on the first physical layer channel; and sending first feedback information, the first feedback information depending on a comparison between the receiving quality of the first physical layer channel and the receiving quality of another time-frequency resource, wherein the another time-frequency resource does not completely overlap the first physical layer channel in frequency domain, and the another time-frequency resource and the first physical layer channel belong to one carrier in frequency domain. The present application increases scheduling gains, thereby improving transmission efficiency and helping to deploy AI / ML algorithms.

Description

Methods and apparatus used for wireless communication Technical Field

[0001] This application relates to transmission methods and apparatus in wireless communication systems, and more particularly to schemes and apparatus related to the reception quality of physical layer channels in wireless communication systems. Background Technology

[0002] In traditional wireless communication, the UE (User Equipment) reports various auxiliary information obtained through measurements of downlink signals and / or channels, such as channel information, beam management-related auxiliary information, and positioning-related auxiliary information. CSI (Channel Status Information) includes, but is not limited to, one or more of CRI (CSI-RS Resource Indicator), RI (Rank Indicator), PMI (Precoding Matrix Indicator), or CQI (Channel Quality Indicator). The UE can use this information to select appropriate transmission parameters or report this information. The network device selects appropriate transmission parameters for the UE based on the UE's reports, such as the cell to be used, MCS (Modulation and Coding Scheme), TPMI (Transmitted Precoding Matrix Indicator), and TCI (Transmission Configuration Indication). In addition, UE reports can be used to optimize network parameters, such as better cell coverage, switching base stations on and off based on UE location, and so on.

[0003] In traditional cellular communication, the antenna port is used to describe reference signal resources; unlike the physical antenna, the antenna port can be considered a virtualization / overlay operation of the physical antenna.

[0004] In NRR (release) 18, research on AI (Artificial Intelligence) / ML (Machine Learning) technologies was initiated to explore their impact on system performance and design. AI / ML technologies may also play a crucial role in future 6G communications. Compared to traditional processing methods, AI / ML is characterized by its training-based and deployment-required nature. According to the 3GPP standard TS38.300, AI / ML models and algorithms exceed the scope of 3GPP (3rd Generation Partnership Project). Summary of the Invention

[0005] The applicant discovered through research that when AI / ML functions are introduced, existing measurement mechanisms, reporting mechanisms, and related configuration signaling may not be able to meet the needs of AI / ML. To address these issues, this application discloses a solution. It should be noted that while many embodiments of this application are specifically for AI / ML, this application is also applicable to other solutions, such as traditional scheduling algorithms / solutions. Although the specification of this application involves descriptions of some AI / ML models and algorithms, those skilled in the art will understand that these descriptions are not essential or irreplaceable for solutions related to wireless cellular communication. Furthermore, adopting a unified solution for different scenarios (including but not limited to AI / ML-based solutions and traditional resource scheduling algorithms / solutions) helps reduce hardware complexity and cost. Where there is no conflict, the embodiments and features in the embodiments of the first node of this application can be applied to the second node, and vice versa. Where there is no conflict, the embodiments and features in the embodiments of this application can be arbitrarily combined with each other.

[0006] When necessary, the interpretation of terms used in this application shall be based on the definitions in the 3GPP specification protocol TS38 series, or the definitions in the 3GPP specification protocol TS28 series.

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

[0008] Receive the first signaling, which schedules the first physical layer channel; receive on the first physical layer channel;

[0009] Send first feedback information, which depends on the comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources;

[0010] Wherein, the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0011] In cellular communication, scheduling is typically performed by a scheduling node / base station, also known as centralized scheduling. Scheduled nodes generally do not possess the various auxiliary information (from multiple scheduled nodes) necessary for centralized scheduling, nor do they understand the scheduling strategy (including priorities among multiple users). Therefore, scheduled nodes generally only execute the scheduling results without comparing or analyzing them. However, in the method described above, the first scheduled node provides feedback on the reception quality information of the first physical layer channel, which helps the scheduling node to promptly grasp the scheduling performance.

[0012] Furthermore, the scheduling of frequency domain resources is an important component of scheduling gain. Therefore, the non-complete overlap in the frequency domain in the above methods helps to optimize the most important scheduling gain.

[0013] As an example, the first node is not scheduled for physical layer channels on the other time-frequency resources.

[0014] The above embodiments essentially allow the first node to compare the reception quality of the scheduled physical layer channels and the unscheduled time-frequency resources, providing the scheduler with more extensive auxiliary information and reducing the complexity of the scheduler.

[0015] Specifically, according to one aspect of this application, the above method is characterized in that the first feedback information indicates that the reception quality of the other time-frequency resources exceeds a first threshold compared to the reception quality of the first physical layer channel.

[0016] The above measures avoid frequent warnings / scheduler adjustments caused by disturbances in reception quality.

[0017] Typically, the first threshold is configurable or is a default value.

[0018] Specifically, according to one aspect of this application, the above method is characterized in that the reception quality of the first physical layer channel depends on the measurement of the DMRS (Demodulation Reference Signal) for the first physical layer channel, and the reception quality of the other time-frequency resources depends on the measurement of the RS (Reference Signal) outside the other time-frequency resources.

[0019] The above aspects avoid the forced transmission of RS for measuring the reception quality within the time-frequency resources, improve scheduling flexibility, or save air interface overhead.

[0020] Specifically, according to one aspect of this application, the above method is characterized by comprising:

[0021] The first receiver receives the second signaling, which schedules the second physical layer channel; and receives data on the second physical layer channel.

[0022] The reception quality of the other time-frequency resources is the reception quality of the second physical layer channel.

[0023] In traditional schemes, comparing the reception quality of two scheduled physical layer channels is meaningless because the scheduled nodes do not possess the information and scheduling strategies required for centralized scheduling. However, for AI or ML schedulers, the aforementioned comparison / feedback preserves the reinforcement learning of the ML model (also known as the AI ​​model). It should be noted that although the initial motivation for the above aspects is for AI / ML schedulers, traditional schedulers can also be optimized based on feedback information.

[0024] Specifically, according to one aspect of this application, the above method is characterized in that the reception quality of the other time-frequency resources corresponds to a first index, the reception quality of the first physical layer channel corresponds to a second index, and the first threshold is 1; the first index indicates a modulation level and a code rate, and the second index also indicates a modulation level and a code rate.

[0025] The above aspects maintain good compatibility with existing systems, avoiding excessive standardization overhead.

[0026] Specifically, according to one aspect of this application, the above method is characterized by comprising:

[0027] Receive the first configuration, which is a NAS (Non-Access Stratum) message;

[0028] Wherein, the first configuration indicates at least one of the domains included in the first feedback information and the first RS resource set, and the measurement for the first RS resource set is used to determine the reception quality of the other time-frequency resources.

[0029] Unlike traditional CSI configuration messages, the above-mentioned aspect uses NAS messages to indicate the configuration related to the first feedback information, which is beneficial for deploying AI / ML functions on NAS, such as enabling one AI / ML function to manage multiple AS nodes (base stations or UEs).

[0030] Specifically, according to one aspect of this application, the above method is characterized in that the first feedback information is triggered when the first set of conditions is satisfied; the first set of conditions includes a triggering indication of the first signaling.

[0031] The above aspects enable the sender of the first signaling to flexibly trigger the first feedback information according to the scheduling strategy, avoiding unnecessary comparisons / measurements by the first node, or avoiding unnecessary feedback from the first node.

[0032] Specifically, according to one aspect of this application, the above method is characterized in that the first feedback information indicates at least one of the following:

[0033] The frequency domain location of the other time-frequency resources;

[0034] The difference in reception quality between the first physical layer channel and the other time-frequency resources.

[0035] The above aspects help the scheduler to make more accurate parameter adjustments.

[0036] Specifically, according to one aspect of this application, the above method is characterized in that the first signaling includes scheduling information of the first physical layer channel, and the first feedback information depends on a comparison between the scheduling information of the first physical layer channel and a peer determined by the first node; the scheduling information of the first physical layer channel includes at least one of the following:

[0037] Airspace resources;

[0038] MCS (Modulation and Code Status) Index.

[0039] The above aspects help the scheduler optimize parameters other than frequency domain resources, further improving the scheduler's performance.

[0040] This application discloses a method used in a second node for wireless communication, characterized by comprising:

[0041] Send a first signaling message, which schedules a first physical layer channel; transmit on the first physical layer channel;

[0042] Receive first feedback information, which depends on the comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources;

[0043] Wherein, the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0044] Specifically, according to one aspect of this application, the above method is characterized by comprising:

[0045] Send the first report, which is a NAS message.

[0046] As an example, the first report includes the first feedback information.

[0047] As one embodiment, the first configuration includes a first report, which is a NAS message; the first report indicates a first RS resource set, and measurements for the first RS resource set are used to determine the reception quality of the other time-frequency resources.

[0048] The two embodiments described above help to pass the measurement / configuration of the AS (Access Stratum) to the NAS, which is helpful for deploying AI / ML on the NAS.

[0049] Specifically, according to one aspect of this application, the above method is characterized in that the first feedback information indicates that the reception quality of the other time-frequency resources exceeds a first threshold compared to the reception quality of the first physical layer channel.

[0050] Specifically, according to one aspect of this application, the above method is characterized in that the reception quality of the first physical layer channel depends on the measurement of the DMRS for the first physical layer channel, and the reception quality of the other time-frequency resources depends on the measurement of the RS outside the other time-frequency resources.

[0051] Specifically, according to one aspect of this application, the above method is characterized by comprising:

[0052] Send a second signaling message, which schedules a second physical layer channel; transmit on the second physical layer channel;

[0053] The reception quality of the other time-frequency resources is the reception quality of the second physical layer channel.

[0054] Specifically, according to one aspect of this application, the above method is characterized in that the reception quality of the other time-frequency resources corresponds to a first index, the reception quality of the first physical layer channel corresponds to a second index, and the first threshold is 1; the first index indicates a modulation level and a code rate, and the second index also indicates a modulation level and a code rate.

[0055] Specifically, according to one aspect of this application, the above method is characterized in that the first feedback information is triggered when the first set of conditions is satisfied; the first set of conditions includes a triggering indication of the first signaling.

[0056] Specifically, according to one aspect of this application, the above method is characterized in that the first feedback information indicates at least one of the following:

[0057] The frequency domain location of the other time-frequency resources;

[0058] The difference in reception quality between the first physical layer channel and the other time-frequency resources.

[0059] Specifically, according to one aspect of this application, the above method is characterized in that the first signaling includes scheduling information of the first physical layer channel, and the first feedback information depends on a comparison between the scheduling information of the first physical layer channel and a peer determined by the first node; the scheduling information of the first physical layer channel includes at least one of the following:

[0060] Airspace resources;

[0061] MCS index.

[0062] This application discloses a method used in a third node for wireless communication, characterized by comprising:

[0063] Send the first configuration, which is a NAS message;

[0064] Receive first feedback information, which is a NAS message, and the first feedback information depends on the comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources.

[0065] Wherein, the first configuration indicates at least one of the domains included in the first feedback information and the first RS resource set, and the measurement of the first RS resource set is used to determine the reception quality of the other time-frequency resources; the first physical layer channel is scheduled to the sender of the first feedback information by the first signaling, and the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0066] This application discloses a method used in a third node for wireless communication, characterized by comprising:

[0067] Send the first configuration, which is a NAS message;

[0068] Receive a first report, which is a NAS message, and the first report includes first feedback information, which is an AS message;

[0069] Wherein, the first feedback information depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; the first configuration indicates at least one of the domains included in the first feedback information and the first RS resource set, and measurements of the first RS resource set are used to determine the reception quality of the other time-frequency resources; the first physical layer channel is scheduled to the sender of the first feedback information by the first signaling, and the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0070] This application discloses a first node used for wireless communication, characterized in that it includes:

[0071] A first receiver receives a first signaling message, which schedules a first physical layer channel; and receives data on the first physical layer channel.

[0072] The first transmitter sends first feedback information, which depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources.

[0073] Wherein, the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0074] This application discloses a second node used for wireless communication, characterized in that it comprises:

[0075] The second transmitter sends a first signaling message, which schedules a first physical layer channel; the message is then transmitted on the first physical layer channel.

[0076] The second receiver receives first feedback information, which depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources.

[0077] Wherein, the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0078] This application discloses a third node used for wireless communication, characterized in that it includes:

[0079] The third transmitter sends the first configuration, which is a NAS message;

[0080] The third receiver receives the first feedback information, which is a NAS message. The first feedback information depends on the comparison between the reception quality of the first physical layer channel and the reception quality of other time-frequency resources.

[0081] Wherein, the first configuration indicates at least one of the domains included in the first feedback information and the first RS resource set, and the measurement of the first RS resource set is used to determine the reception quality of the other time-frequency resources; the first physical layer channel is scheduled to the sender of the first feedback information by the first signaling, and the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0082] This application discloses a third node used in wireless communication, characterized by comprising:

[0083] The third transmitter sends the first configuration, which is a NAS message;

[0084] The third receiver receives the first report, which is a NAS message. The first report includes first feedback information, which is an AS message.

[0085] Wherein, the first feedback information depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; the first configuration indicates at least one of the domains included in the first feedback information and the first RS resource set, and measurements of the first RS resource set are used to determine the reception quality of the other time-frequency resources; the first physical layer channel is scheduled to the sender of the first feedback information by the first signaling, and the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain. Attached Figure Description

[0086] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0087] Figure 1 illustrates a flowchart of sending first feedback information according to an embodiment of this application;

[0088] Figure 2 shows a schematic diagram of a network architecture according to an embodiment of this application;

[0089] Figure 3 illustrates a schematic diagram of an embodiment of a wireless protocol architecture for the user plane and control plane according to an embodiment of this application;

[0090] Figure 4 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of this application;

[0091] Figure 5 illustrates a flowchart of the transmission between a first node N1 and a second node N2 according to an embodiment of this application;

[0092] Figure 6 illustrates a flowchart of the transmission between a first node N1, a second node N2, and a third node N3 according to an embodiment of this application;

[0093] Figure 7 shows a schematic diagram of a first physical layer channel in the frequency domain according to an embodiment of this application;

[0094] Figure 8 shows a schematic diagram of the first physical layer channel and the second physical layer channel in the frequency domain according to an embodiment of this application;

[0095] Figure 9 illustrates a flowchart of an operation performed according to a first set of conditions according to an embodiment of this application;

[0096] Figure 10 shows a schematic diagram of a DCI according to an embodiment of this application;

[0097] Figure 11 illustrates a schematic diagram of the deployment of AI / ML functions in a RAN (Radio Access Network) domain according to an embodiment of this application;

[0098] Figure 12 shows a schematic diagram of the deployment of AI / ML functions of a UE according to an embodiment of this application;

[0099] Figure 13 shows a schematic diagram of a processing system based on artificial intelligence or machine learning according to an embodiment of this application;

[0100] Figure 14 shows a flowchart based on artificial intelligence or machine learning according to an embodiment of this application;

[0101] Figure 15 shows a structural block diagram of a processing apparatus for a first node according to an embodiment of this application;

[0102] Figure 16 shows a structural block diagram of a processing apparatus for a second node according to an embodiment of this application;

[0103] Figure 17 shows a structural block diagram of a processing apparatus for a third node according to an embodiment of this application. Detailed Implementation

[0104] The technical solutions of this application will be further described in detail below with reference to the accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be arbitrarily combined with each other. Considering performance, flexibility, complexity, overhead, and compatibility, those skilled in the art are motivated to flexibly combine the embodiments in different drawings without conflict, including but not limited to the embodiments in Figure 1 and the embodiments in Figures 5-12, the embodiments in Figure 5 and the embodiments in Figures 6-12, etc.

[0105] Example 1

[0106] Example 1 illustrates a flowchart of sending first feedback information according to an embodiment of this application, as shown in Figure 1. In the first node 100 shown in Figure 1, each block represents a step.

[0107] In Embodiment 1, the first node 100 receives a first signaling in step 101, the first signaling scheduling a first physical layer channel; receives on the first physical layer channel in step 102; and sends first feedback information in step 103, the first feedback information depending on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources.

[0108] In Example 1, the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, but the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0109] It should be noted that Figure 1 does not limit the timing relationship between the first signaling and the first physical layer channel. The time domain resources occupied by the first physical layer channel are indicated by the first signaling. The first signaling and the first physical layer channel may partially or completely overlap in the time domain (the first node first buffers the radio signal including the first physical layer channel, and performs decoding and other operations on the first physical layer channel after the decoding of the first signaling is completed).

[0110] As an example, the first signaling is DCI (Downlink Control Information), and the first physical layer channel is PDSCH (Physical Downlink Shared Channel).

[0111] As an example, the first signaling is MAC (Medium Access Control) CE (Control Element).

[0112] As an example, the transport channel mapped to the first physical layer channel is DL-SCH (Downlink Shared Channel).

[0113] As one embodiment, the first physical layer channel includes DMRS.

[0114] As an example, the first feedback information is transmitted on the PUCCH (Physical Uplink Control Channel).

[0115] As an example, the first feedback information is transmitted on PUSCH (Physical Uplink Shared Channel).

[0116] As an example, the first feedback information is RRC (Radio Resource Control) signaling.

[0117] As an example, the first feedback information is a NAS message.

[0118] Unlike traditional CSI, in the two embodiments described above, the first feedback information is parsed at layer 3 or higher, avoiding the ML model from processing physical layer control information, which is beneficial for the deployment of AI / ML functions or the management of AS nodes.

[0119] Although the above embodiments mainly focus on uplink and downlink transmission, this application is also applicable to sidelink transmission, for example, the first signaling is SCI (Sidelink Control Information), and the first physical layer channel is PSSCH (Physical Sidelink Shared Channel).

[0120] As an example, the first physical layer channel occupies a first set of Resource Blocks (RBs) in the frequency domain, and the other time-frequency resources occupy a second set of RBs in the frequency domain; at least one RB in the first set of RBs does not belong to the second set of RBs.

[0121] As an example, the number of RBs included in the first RB set is the same as the number of RBs included in the second RB set.

[0122] As an example, the RBs included in the first RB set are continuous in the frequency domain, and the RBs included in the second RB set are continuous in the frequency domain.

[0123] As an example, no RB can belong to both the first RB set and the second RB set at the same time.

[0124] As an example, the other time-frequency resources are located in the same cell as the first physical layer channel.

[0125] As an example, the other time-frequency resources are in the same BWP (BandWidth Part) on the same carrier as the first physical layer channel.

[0126] As an example, the subcarrier spacing (SCS) of the carrier is configurable and is a positive integer multiple of 15 kHz (kilohertz).

[0127] As an example, the carrier is a downlink carrier of a cell.

[0128] As an example, the first feedback information is an AS message, and the content of the first feedback information is reported to the NAS network device via a NAS message.

[0129] Unlike CSI, which is typically processed only at the physical layer, the above embodiment transmits the first feedback information to the NAS device for processing at the upper layer.

[0130] As an example, the unit of the reception quality of the first physical layer channel is dBm (millidodecibel); the unit of the reception quality of the other time-frequency resources is dBm.

[0131] As an example, the reception quality of the first physical layer channel is RSRP (Reference Signal Received Power); the reception quality of the other time-frequency resources is RSRP.

[0132] As an example, the reception quality of the first physical layer channel is the BLER (Block Error Rate) of the first physical layer channel; the reception quality of the other time-frequency resources is the equivalent BLER.

[0133] As an example, the calculation of the equivalent BLER of the other time-frequency resources is based on transmitting a virtual physical layer channel on the other time-frequency resources.

[0134] The calculation of the equivalent BLER is usually determined by the equipment vendor. For example, the first node obtains parameters such as SINR (Signal to Interference plus Noise Ratio), EESM (Exponential Effective Signal-to-noise-ratio Mapping), and RBIR (Received Bit Information Rate) based on channel measurements and / or interference measurements. Based on a given modulation order and code rate, the first node looks up the equivalent BLER in a table using these parameters.

[0135] As an example, the virtual physical layer channel adopts the scheduling parameters of the first physical layer channel, which include some or all of the parameters such as MCS, TBS (Transport Block Size), and the number of antenna ports.

[0136] As an example, the reception quality of the first physical layer channel depends on the measurement of the DMRS for the first physical layer channel, and the reception quality of the other time-frequency resources depends on the measurement of the RS outside the other time-frequency resources.

[0137] As an example, the measurement of the DMRS for the first physical layer channel is a channel measurement, and the reception quality of the first physical layer channel also depends on interference measurements for a first set of REs (Resource Elements), which are indicated for the DMRS of other co-scheduled UEs.

[0138] As an example, the first signaling indicates that the first RE set is used for the DMRS of other co-scheduled UEs.

[0139] As an example, the antenna port field of the first signaling indicates that the first RE set is used for the DMRS of other co-scheduled UEs.

[0140] As an example, the measurements on the RS, in addition to the other time-frequency resources, include channel measurements.

[0141] As a sub-implementation of the above embodiments, the RS other than the other time-frequency resources includes one or more of SSB (SS / PBCH block, synchronization signal physical broadcast channel block), PRS (Positioning RS), and CSI-RS (Channel State Information Reference Signal).

[0142] As a sub-example of the above embodiments, the measurement on the RS other than the other time-frequency resources includes interference measurement.

[0143] As a sub-example of the above embodiments, the RS other than the other time-frequency resources includes NZP (None Zero Power) CSI-RS for channel measurement and ZP (Zero Power) CSI-RS for interference measurement.

[0144] As an example, the time-domain resources occupied by the RS other than the other time-frequency resources are orthogonal to the other time-frequency resources in the time domain (i.e., they do not overlap).

[0145] As an example, the time-domain resources occupied by the RS, which are other time-frequency resources, precede those of the other time-frequency resources.

[0146] As an example, the RSRP is L1-RSRP (Layer 1-RSRP).

[0147] As an example, the unit of the received quality is watts (W).

[0148] As an example, the first physical layer channel occupies at least one multicarrier symbol in the time domain, the same as the other time-frequency resources.

[0149] As an example, the multicarrier symbol is an OFDM (Orthogonal Frequency Division Multiplexing) symbol.

[0150] As an example, the multicarrier symbol is the DFT-S-OFDM (Discrete Fourier Transform Spread OFDM) symbol.

[0151] As an example, the multi-carrier symbol is the FBMC (Filter Bank Multi Carrier) symbol.

[0152] As an example, multicarrier symbols include CP (Cyclic Prefix).

[0153] Example 2

[0154] Example 2 illustrates a schematic diagram of a network architecture according to an embodiment of this application, as shown in Figure 2.

[0155] Figure 2 illustrates network architecture 200. Network architecture 200 is a 5G NR (New Radio) / LTE (Long-Term Evolution) / LTE-A (Long-Term Evolution Advanced) system, or a 5G+ network architecture, or a 6G network architecture, or a network architecture adopted in future evolutions by 3GPP; network architecture 200 may be referred to as 5GS (5G System) / EPS (Evolved Packet System), or 6GS (6G System); network architecture 200 includes at least one of UE (User Equipment) 201, RAN (Radio Access Network) 202, core network 210, HSS (Home Subscriber Server) / UDM (Unified Data Management) 220, and Internet service 230. The network architecture 200 can interconnect with other access networks, but these entities / interfaces are not shown for simplicity. As shown, the network architecture 200 provides packet-switched services; however, those skilled in the art will readily understand that the various concepts presented throughout this application can be extended to networks providing circuit-switched services or other cellular networks. The RAN includes node 203. The RAN may also include other nodes 204. Node 203 provides user and control plane protocol termination toward UE 201. Node 203 may be connected to other nodes 204 via an Xn interface (e.g., backhaul) / X2 interface. Node 203 may also be referred to as a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmitter-receiver node), or some other suitable term. The core network 210 is a 5GC (5G Core Network) / EPC (Evolved Packet Core), or the core network 210 is a 6GC; node 203 provides UE 201 with an access point to the core network 210.Examples of UE201 include cellular phones, smartphones, Session Initiation Protocol (SIP) phones, laptops, personal digital assistants (PDAs), satellite radios, non-terrestrial base station communications, satellite mobile communications, global positioning systems, multimedia devices, video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, narrowband IoT devices, machine-type communication devices, land vehicles, automobiles, wearable devices, or any other similar functional devices. Those skilled in the art may also refer to UE201 as a mobile station, subscriber station, mobile unit, subscriber unit, radio unit, remote unit, mobile device, radio device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handheld device, user agent, mobile client, client, or any other suitable term. Node 203 is connected to the core network 210 via an S1 / NG interface. The core network 210 includes an MME (Mobility Management Entity) / AMF (Authentication Management Field) / SMF (Session Management Function) 211, other MMEs / AMFs / SMFs 214, an S-GW (Service Gateway) / UPF (User Plane Function) 212, and a P-GW (Packet Data Network Gateway) / UPF 213. The MME / AMF / SMF 211 is the control node that handles signaling between the UE 201 and the core network 210. Generally, the MME / AMF / SMF 211 provides bearer and connection management. All user IP (Internet Protocol) packets are transmitted through the S-GW / UPF 212, which is itself connected to the P-GW / UPF 213. The P-GW provides UE IP address allocation and other functions. The P-GW / UPF 213 is connected to the Internet service 230. Internet services 230 include operator-compliant Internet protocol services, which may specifically include Internet, intranet, IMS (IP Multimedia Subsystem), and packet switching services.

[0156] As an example, the first node includes the UE201.

[0157] As one embodiment, the second node includes the node 203.

[0158] As an example, the wireless link between the UE201 and the node203 includes a cellular link.

[0159] Example 3

[0160] Example 3 illustrates a schematic diagram of an embodiment of a wireless protocol architecture for the user plane and control plane according to an embodiment of this application, as shown in Figure 3.

[0161] Example 3 illustrates a schematic diagram of an embodiment of a wireless protocol architecture for a user plane and control plane according to this application, as shown in Figure 3. 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 3 shows the radio protocol architecture for 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, using 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. Layer 1 will be referred to herein as PHY 301. Layer 2 (L2 layer) 305 is above PHY 301 and is responsible for the link between the first communication node device and the second communication node device, or between two UEs. Layer L2 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. It also provides security through encrypted data packets and supports cross-cell mobility between the second communication node devices and the first communication node device. The RLC sublayer 303 provides upper-layer packet segmentation and reassembly, retransmission of lost packets, and packet reordering to compensate for out-of-order reception due to HARQ. The MAC sublayer 302 provides multiplexing between logical and transport channels. It is also responsible for allocating various radio resources (e.g., resource blocks) within a cell among the first communication node devices. Furthermore, the MAC sublayer 302 handles HARQ operations. In the control plane 300, the Radio Resource Control (RRC) sublayer 306 of Layer 3 (L3) is responsible for acquiring radio resources (i.e., radio bearers) and configuring the lower layers using RRC signaling between the second and first communication node devices. The user plane 350's radio protocol architecture includes Layer 1 (L1) and Layer 2 (L2). The radio protocol architecture for the first and second communication node devices in the user plane 350 is largely the same as the corresponding layers and sublayers in the control plane 300 for Physical Layer 351, PDCP sublayer 354 in L2 Layer 355, RLC sublayer 353 in L2 Layer 355, and MAC sublayer 352 in L2 Layer 355. However, 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 an SDAP (Service Data Adaptation Protocol) sublayer 356, which is responsible for mapping between QoS streams and data radio bearers (DRBs) to support service diversity. Although not illustrated, the first communication node device may have several upper layers above the L2 layer 355, including a network layer (e.g., IP layer) terminating at the P-GW on the network side and an application layer terminating at the other end of the connection (e.g., a remote UE, server, etc.).

[0162] As an example, the wireless protocol architecture in Figure 3 is applicable to the first node.

[0163] As an example, the wireless protocol architecture in Figure 3 is applicable to the second node.

[0164] As an example, the higher layer mentioned in this application refers to the layer above the physical layer.

[0165] As an example, the first signaling is generated in the RRC sublayer 306.

[0166] As an example, the first signaling is generated in the PHY301 or the PHY351.

[0167] As an example, both the first signaling and the second signaling are generated in the PHY301 or the PHY351.

[0168] As an example, the first feedback information is generated in the RRC sublayer 306.

[0169] As an example, the first feedback information is generated in the PHY301 or the PHY351.

[0170] Example 4

[0171] Example 4 illustrates a schematic diagram of a first communication device and a second communication device according to an embodiment of this application, as shown in Figure 4. 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.

[0172] The first communication device 410 includes a controller / processor 475, a memory 476, a receiver processor 470, a transmitter processor 416, a multi-antenna receiver processor 472, a multi-antenna transmitter processor 471, a transmitter / receiver 418, and an antenna 420.

[0173] The second communication device 450 includes a controller / processor 459, a memory 460, a data source 467, a transmitting processor 468, a receiving processor 456, a multi-antenna transmitting processor 457, a multi-antenna receiving processor 458, a transmitter / receiver 454, and an antenna 452.

[0174] In the 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 L2 layer functionality. In DL (Downlink), the controller / processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the second communication device 450 based on various priority metrics. The controller / processor 475 is also responsible for HARQ operation, 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 L1 layer (i.e., physical layer). Transmit processor 416 performs encoding and interleaving to facilitate forward error correction (FEC) at the second communication device 450, and 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), and M-quadrature amplitude modulation (M-QAM). Multi-antenna transmit processor 471 performs digital spatial precoding on the encoded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing, generating one or more... Parallel streams. 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 and / or frequency domains, and then uses an inverse fast Fourier transform (IFFT) to generate a physical channel carrying the time-domain O-stream. Multi-antenna transmit processor 471 then performs transmit analog precoding / beamforming operations on the time-domain multicarrier symbol stream. Each transmitter 418 converts the baseband multicarrier symbol stream provided by multi-antenna transmit processor 471 into an RF stream, which is then provided to different antennas 420.

[0175] 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 radio frequency carrier and converts the radio frequency stream into a baseband multicarrier symbol stream, which is then provided to the receiver processor 456. The receiver processor 456 and the multi-antenna receiver processor 458 implement various signal processing functions of the L1 layer. The multi-antenna receiver processor 458 performs receive analog precoding / beamforming operations on the baseband multicarrier symbol stream from the receiver 454. The receiver processor 456 uses a Fast Fourier Transform (FFT) to convert the baseband multicarrier symbol stream after the receive analog precoding / beamforming operations 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 receiver processor 456, where the reference signal is used for channel estimation, and the data signal is recovered in the multi-antenna receiver processor 458 after multi-antenna detection to recover any parallel stream destined for the second communication device 450. Symbols on each parallel stream are demodulated and recovered in the receive processor 456, generating soft decisions. The receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper-layer data and control signals transmitted over the physical channel by the first communication device 410. The upper-layer data and control signals are then provided to the controller / processor 459. The controller / processor 459 implements the functions of Layer 2 (L2). The controller / processor 459 may be associated with a memory 460 storing program code and data. The memory 460 may be referred to as computer-readable media. In the DL (Layered Logic), the controller / processor 459 provides multiplexing, packet reassembly, decryption, header decompression, and control signal processing between the transmission and logical channels to recover upper-layer packets from the core network. The upper-layer packets are then provided to all protocol layers above Layer 2. Various control signals may also be provided to Layer 3 (L3) for L3 processing. The controller / processor 459 is also responsible for error detection using ACK and / or NACK protocols to support HARQ operation.

[0176] 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 functions at the first communication device 410 described in the 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, implementing L2 layer functions for the user plane and control plane. The controller / processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first communication device 410. Transmit processor 468 performs modulation mapping and channel coding processing, while multi-antenna transmit processor 457 performs digital multi-antenna spatial precoding, including codebook-based and non-codebook-based precoding, and beamforming processing. Subsequently, transmit processor 468 modulates the generated parallel stream into a multi-carrier / single-carrier symbol stream. After analog precoding / beamforming operations in multi-antenna transmit processor 457, the stream is provided to different antennas 452 via transmitter 454. Each transmitter 454 first converts the baseband symbol stream provided by multi-antenna transmit processor 457 into a radio frequency symbol stream before providing it to antenna 452.

[0177] 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 receiving 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 radio frequency signals through its corresponding antenna 420, converts the received radio frequency signals into baseband signals, and provides the baseband signals to the multi-antenna receiving processor 472 and the receiving processor 470. The receiving processor 470 and the multi-antenna receiving processor 472 jointly implement the L1 layer functions. The controller / processor 475 implements the L2 layer functions. The controller / processor 475 may be associated with a memory 476 that stores program code and data. The memory 476 may be referred to as computer-readable media. The controller / processor 475 provides multiplexing, packet reassembly, decryption, header decompression, and control signal processing between the transmission and logical channels to recover upper-layer data packets from the second communication device 450. The upper-layer data packets from the controller / processor 475 may be provided to the core network. The controller / processor 475 is also responsible for error detection using ACK and / or NACK protocols to support HARQ operation.

[0178] As one 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 includes at least: receiving first signaling, the first signaling scheduling a first physical layer channel; receiving on the first physical layer channel; and transmitting first feedback information, the first feedback information depending on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; wherein the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources belong to the same carrier as the first physical layer channel in the frequency domain.

[0179] As one embodiment, the second communication device 450 includes: a memory storing a computer-readable instruction program that, when executed by at least one processor, generates actions including: receiving first signaling that schedules a first physical layer channel; receiving on the first physical layer channel; and sending first feedback information that depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; wherein the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0180] As one 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 with the at least one processor. The first communication device 410 includes at least: transmitting a first signaling, the first signaling scheduling a first physical layer channel; transmitting on the first physical layer channel; and receiving first feedback information, the first feedback information depending on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; wherein the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources belong to the same carrier as the first physical layer channel in the frequency domain.

[0181] As one embodiment, the first communication device 410 includes: a memory storing a computer-readable instruction program that generates actions when executed by at least one processor, the actions including: sending a first signaling that schedules a first physical layer channel; transmitting on the first physical layer channel; and receiving first feedback information that depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; wherein the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0182] As an example, the first node in this application includes the second communication device 450.

[0183] As an example, the second node in this application includes the first communication device 410.

[0184] As an example, some or all of the following are used to receive the first signaling: {the antenna 452, the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller / processor 459, and the memory 460}.

[0185] As an example, some or all of the following are used to determine the reception quality: {the multi-antenna receiver processor 458, the controller / processor 459, the memory 460, and the data source 467}.

[0186] As an example, some or all of the following components are used to receive the first feedback information: {antenna 420, receiver 418, receiving processor 470, multi-antenna receiving processor 472, controller / processor 475, memory 476}.

[0187] Example 5

[0188] Example 5 illustrates a transmission flowchart between a first node N1 and a second node N2 according to an embodiment of this application, as shown in Figure 5. In Figure 5, the second node N1 and the first node N2 are communication nodes that transmit data via an air interface. In Figure 5, the steps in block F0 are optional. It should be noted that the order of the steps in Figure 5 is only one specific implementation, and the order of the steps can be adjusted without conflict; for example, the first signaling may be sent after the second signaling, or the transmission times of the two may overlap.

[0189] For the second node N2, in step S200, a first signaling is sent on the first physical layer channel; in step S201, a second signaling is sent on the second physical layer channel; and in step S202, a first feedback information is received.

[0190] For the first node N1, in step S100, the first signaling is received on the first physical layer channel; in step S101, the second signaling is received on the second physical layer channel; and in step S102, the first feedback information is sent.

[0191] In Example 5, the first signaling schedules the first physical layer channel; the first feedback information depends on the comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0192] As one embodiment, the air interface between the second node U1 and the first node U2 includes a wireless interface between the base station equipment and the user equipment.

[0193] Typically, the second node N2 and the first node N1 are a base station and a user equipment, respectively, and the second node N2 is the serving cell sustaining base station of the first node N1.

[0194] In one embodiment, both the second node N2 and the first node N1 are user equipment.

[0195] As an example, the other time-frequency resources are orthogonal to the first physical layer channel in the frequency domain (i.e., they do not overlap).

[0196] As one embodiment, the other time-frequency resources partially or completely overlap with the first physical layer channel in the time domain.

[0197] As an example, the first feedback information indicates that the reception quality of the other time-frequency resources exceeds a first threshold compared to the reception quality of the first physical layer channel.

[0198] Typically, the first threshold is configurable or fixed.

[0199] The first threshold varies depending on the form of the received quality. For example, if the received quality is RSRP (in watts), the first threshold is dB; or if the received quality is an index indicating a modulation order and a code rate, the first threshold is an integer.

[0200] As an example, the fact that the reception quality of the other time-frequency resources exceeds a first threshold compared to the reception quality of the first physical layer channel means that the reception quality of the other time-frequency resources exceeds the reception quality of the first physical layer channel by a value greater than the first threshold.

[0201] As an example, the fact that the reception quality of the other time-frequency resources exceeds the first threshold compared to the reception quality of the first physical layer channel means that the value by which the reception quality of the other time-frequency resources exceeds the reception quality of the first physical layer channel is not less than the first threshold.

[0202] As an example, the reception quality of the other time-frequency resources is RSRP, the reception quality of the first physical layer channel is RSRP, and the unit of the first threshold is dB.

[0203] As a sub-example of the above embodiments, the reception quality of the other time-frequency resources is predicted.

[0204] As an example, the first feedback information is triggered when a first set of conditions is met; the first set of conditions includes the first feedback information used to indicate that the reception quality of the other time-frequency resources exceeds the first threshold compared to the reception quality of the first physical layer channel.

[0205] The above embodiments can reduce unnecessary feedback information and improve spectrum efficiency.

[0206] As an example, the reception quality of the other time-frequency resources corresponds to a first index, the reception quality of the first physical layer channel corresponds to a second index, and the first threshold is 1; the first index indicates a modulation level and a code rate, and the second index also indicates a modulation level and a code rate.

[0207] As an example, for the first index and the second index, the indicated modulation level and code rate are the modulation level and code rate corresponding to the highest spectral efficiency under the condition of not exceeding a given BLER.

[0208] As an example, the given BLER is 0.1.

[0209] As an example, the given BLER is configurable.

[0210] The above embodiments are advantageous for flexibly adjusting the operating point of the scheduler according to, for example, different service types.

[0211] As an example, the first index and the second index are each an MCS index.

[0212] As a sub-implementation of the above embodiments, the first index and the second index belong to an MCS index table.

[0213] As an example, the first index and the second index are each a CQI index.

[0214] As a sub-implementation of the above embodiments, the first index and the second index belong to a CQI index table.

[0215] As an example, the reception quality of the first physical layer channel depends on the measurement of the DMRS for the first physical layer channel, and the reception quality of the other time-frequency resources depends on the measurement of the RS outside the other time-frequency resources.

[0216] As a sub-example of the above embodiments, the RS other than the other time-frequency resources is CSI-RS.

[0217] As a sub-implementation of the above embodiment, the RS and the DRMS ​​of the first physical layer channel, other than the other time-frequency resources, are QCL.

[0218] As a sub-implementation of the above embodiment, the CSI-RS resources occupied by the RS other than the other time-frequency resources are indicated by the TCI field in the first signaling.

[0219] The above sub-implementation reduces the overhead in the first signaling while ensuring the fairness of the comparison.

[0220] Generally speaking, DMRS is the scheduling result of the scheduler (deployed on the base station side), while CSI-RS (or SSB) is used for channel / interference measurement and is not the scheduling result of the base station. It is generally unnecessary to compare the scheduling result with the non-scheduled result on the side of the scheduled node, because the scheduled node does not know the scheduling algorithm / scheduling policy corresponding to the scheduling result, nor does it know the priority information of other scheduled nodes; the comparison result is therefore meaningless.

[0221] As a parallel technical solution to the above embodiments / sub-embodiments, the first node compares the reception quality of the first physical layer channel with the reception quality of the second physical layer channel.

[0222] Similarly, the above scheme is unnecessary for traditional centralized scheduling because the first node cannot access the various information required for scheduling. Compared to the comparison between DMRS and CSI-RS (or SSB), comparing the reception quality of the first physical layer channel with that of the second physical layer channel avoids the first node selecting other time-frequency resources on its own and also reduces unnecessary CSI-RS measurements / transmissions. Therefore, the latter reduces the complexity of the first node, but parameter optimization can only be performed on all scheduling results, which may limit the optimization speed.

[0223] Typically, the second signaling has the same attributes as the first signaling, such as Downlink Grant (DCI), and the second physical layer channel has the same attributes as the first physical layer channel, such as PDSCH.

[0224] As an embodiment of the parallel technology solution, the other time-frequency resources are occupied by the second physical layer channel.

[0225] As an embodiment of the parallel technical solution, the reception quality of the first physical layer channel depends on the measurement of the DMRS of the first physical layer channel, and the reception quality of the other time-frequency resources depends on the measurement of the DMRS of the second physical layer channel.

[0226] As an example, the first feedback information is triggered when the first set of conditions is met; the first set of conditions includes the triggering indication of the first signaling.

[0227] The above method allows the sender of the first signaling to flexibly control the downlink scheduling results that require "rewards," avoiding unnecessary feedback and saving air interface overhead. For example, if the scheduler knows that the reception quality of the scheduled wireless channel is not optimal / suboptimal, it does not need to trigger the first feedback information.

[0228] As one embodiment, the first set of conditions includes a trigger indication for the second signaling.

[0229] As an example, the first feedback information indicates the frequency domain location of the other time-frequency resources.

[0230] As an example, the first feedback information indicates the difference in reception quality between the first physical layer channel and the other time-frequency resources.

[0231] As an example, the first feedback information indicates the frequency domain location of the other time-frequency resources, and the difference in reception quality between the first physical layer channel and the other time-frequency resources.

[0232] As one embodiment, the first signaling includes scheduling information of the first physical layer channel, and the first feedback information depends on a comparison between the scheduling information of the first physical layer channel and a peer determined by the first node; the scheduling information of the first physical layer channel includes at least one of the following:

[0233] Airspace resources;

[0234] MCS index.

[0235] As an example, the spatial resource of the first physical layer channel is an RS resource, and the antenna port for transmitting the first physical layer channel (including DMRS) and the RS resource are QCL (Quasi Co-Located).

[0236] As an example, the spatial resources of the first physical layer channel are indicated by the TCI field in the first signaling.

[0237] When AI / ML technology becomes a candidate technology for the scheduler, the first feedback information may provide a reward mechanism for the reinforcement learning of the AI / ML model, which is beneficial for the fine-tuning of the AI / ML model and thus becomes meaningful. Although the main motivation comes from the AI / ML model, the first feedback information is also applicable to optimizing traditional scheduling algorithms such as greedy scheduling.

[0238] It should be noted that how the first feedback information is utilized may be determined by the network device itself, and also depends on the specific algorithm of the scheduler. Typically, but not limitingly, for AI / ML-based schedulers, the AI / ML function, based on the indication of the first feedback information, employs, for example, value-based algorithms to guide decision-making by estimating the value function of each state or state-action pair. Typical algorithms include Q-learning, SARSA (State-Action-Reward-State-Action), etc. Alternatively, it employs policy-based algorithms to maximize the expected cumulative reward through, for example, gradient ascent methods. Typical algorithms include REINFORCE (Monte Carlo Policy Gradient), Proximal Policy Optimization (PPO), TrustRegion Policy Optimization (TRPO), etc.

[0239] In Example 5, a typical implementation of the first feedback information is an AS message. If the scheduler's adjustment is completed outside the second node N2, for example in the core network, the second node N2 can send a first report to the NAS network device (e.g., the core network device in Example 2). The first report includes the first feedback information and is a NAS message.

[0240] As an example, the first report includes information related to the first signaling or information related to the first physical layer channel, such as the CRC (Cyclic Redundancy Check) bits of the first signaling, or the frequency domain resources of the first physical layer channel indicated by the first signaling.

[0241] Using CRC bits to identify the first signaling saves signaling overhead and avoids additional standardization burden.

[0242] As a sub-implementation of the above embodiment, some bits in the CRC bits of the first signaling are scrambled, for example, by C-RNTI (Cell Radio Network Temporary Identifier).

[0243] As a sub-implementation of the above embodiments, the first report also includes at least one of the time-domain resources of the first physical layer channel, the MCS of the first physical layer channel, and the RS resources indicated by the TCI field of the first signaling.

[0244] As an example, the first report includes first inference data, which is used to infer part or all of the scheduling parameters of the first physical layer channel.

[0245] As one embodiment, the second node N2 receives NAS messages to determine the domains included in the first inference data.

[0246] As an example, the candidates for the domains in the first inference data include CSI, CSI-RSRP, etc.

[0247] Optionally, the definition of the first inference data may exceed the scope of 3GPP operations, for example:

[0248] As an example, the first inference data is an embedded representation of parameters such as channel state information and UE feedback. That is, the first inference data includes at least one multi-dimensional vector, which is obtained by mapping the parameters such as channel state information and UE feedback.

[0249] For example:

[0250] As an example, the first inference data is a binary file, and the definition of the binary file is determined by the core network device and the second node N2 through negotiation.

[0251] Example 6

[0252] Example 6 illustrates a flowchart of the transmission between a first node N1, a second node N2, and a third node N3 according to an embodiment of this application, as shown in Figure 6. In Figure 5, the second node N2 is an AS network device (e.g., the RAN device in Example 2), which is a communication node with the first node N1 via an air interface; the third node N3 is a NAS network device (e.g., the core network device in Example 2), which can be wired to the second node N2. In Figure 6, the steps in block F1 are optional. It should be noted that the order of the steps in Figure 6 is only one specific implementation, and the order of the steps can be adjusted without conflict; for example, the first report can be sent before the first feedback information.

[0253] For the third node N3, in step S3000, a first configuration is sent, which is a NAS message; in step S3001, a first feedback message is received, which is a NAS message; in step S3002, a first report is received, which is a NAS message.

[0254] For the second node N2, the first report is sent in step S2000;

[0255] For the first node N1, the first configuration is received in step S1000; the first feedback information is sent in step S1001.

[0256] In Example 6, the first feedback information depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; the first configuration indicates at least one of the domains included in the first feedback information and the first RS resource set, and measurements of the first RS resource set are used to determine the reception quality of the other time-frequency resources; the first physical layer channel is scheduled to the sender of the first feedback information by first signaling, and the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0257] Unlike Example 5, in Example 6, the first feedback information is a NAS message, which is more suitable for scenarios where AI / ML functions or models are deployed on NAS network devices.

[0258] As an example, the first configuration indicates the first threshold.

[0259] As an example, the first configuration depends on the indication of the first report (i.e., step S3002 is before step S3000), for example, the first report indicates the configuration information of each RS resource in a plurality of RS resources, and the third node N3 sends the first configuration according to the first report; each RS resource in the first RS resource set is one of the plurality of RS resources.

[0260] As a sub-implementation of the above embodiments, the configuration information of each RS resource includes some or all of the following parameters: period of each RS resource, occupied RB, pattern in a time slot and an RB, RS sequence, transmit power, receive beam index, and RS resources of QCL.

[0261] As a sub-implementation of the above embodiments, the first configuration includes a portion of the content in the first report, such as the configuration information of each RS resource in the first RS resource set.

[0262] As an example, the first configuration indicates the domains included in the first feedback information.

[0263] As a sub-implementation of the above embodiments, the first configuration indicates the message name of the first feedback information, and the domains included in the first feedback information depend on the message name of the first feedback information.

[0264] As an example, the first report includes information related to the first signaling or information related to the first physical layer channel, such as the CRC (Cyclic Redundancy Check) bits of the first signaling, or the frequency domain resources of the first physical layer channel indicated by the first signaling.

[0265] For more information about the first signaling or the first physical layer channel, please refer to the description in Embodiment 5.

[0266] As a sub-implementation of the above embodiments, one field included in the first feedback information indicates the CRC bit of the first signaling.

[0267] The advantage of the above embodiments and sub-embodiments is that the core network can determine the first signaling corresponding to the first feedback information based on the CRC bits.

[0268] As an example, the candidates for the domains included in the first feedback information include at least one of the following: the reception quality of the first physical layer channel, the reception quality of the other time-frequency resources, the frequency domain location of the other time-frequency resources, and the difference between the reception quality of the first physical layer channel and the reception quality of the other time-frequency resources.

[0269] As an example, the message name of the first feedback information includes "information".

[0270] As an example, the message name of the first feedback information includes "training".

[0271] As an example, the message name of the first feedback information includes "scheduling".

[0272] As an example, the message name in the first configuration includes "request".

[0273] As a sub-implementation of the above embodiments, the message name of the first feedback information includes "response".

[0274] Example 7

[0275] Example 7 illustrates a schematic diagram of a first physical layer channel in the frequency domain according to an embodiment of the present application, as shown in Figure 7.

[0276] In Example 7, the frequency domain resources occupied by the first physical layer channel are first frequency domain resources, which belong to the first frequency band. The frequency domain resources occupied by other time-frequency resources also belong to the first frequency band.

[0277] Typically, the first frequency band is a frequency domain resource that the scheduler can select. For example, the first frequency band is a BWP, corresponding to a downlink carrier of an SCS, or a downlink carrier of a cell, etc.

[0278] Optionally, the first frequency band may also consist of all the RBs occupied by a single RS resource.

[0279] In Example 7, the first node determines the frequency domain resources of the other time-frequency resources based on the channel state monitored in the first frequency band. The other time-frequency resources may completely overlap with the first frequency domain resources in the time domain to ensure the fairness of the comparison.

[0280] Generally speaking, higher scheduling gain can only be achieved when the scheduled physical layer channels are continuous in the frequency domain. Therefore, continuous frequency occupancy offers greater optimization space and potential. Thus:

[0281] As an example, the RBs occupied by the first physical layer channel and the other time-frequency resources are continuous in the frequency domain, and the first physical layer channel and the other time-frequency resources occupy the same number of RBs.

[0282] As a sub-example of the above embodiments, there is no RB that is simultaneously occupied by the first physical layer channel and the other time-frequency resources.

[0283] The above sub-implementation examples help prevent increasing the parameter optimization space of the scheduler.

[0284] Example 8

[0285] Example 8 illustrates a schematic diagram of a first physical layer channel and a second physical layer channel in the frequency domain according to an embodiment of this application, as shown in Figure 8.

[0286] In embodiment 8, the first physical layer channel and the second physical layer channel are scheduled by the first signaling and the second signaling, respectively; the first node compares the reception quality of the first physical layer channel and the reception quality of the second physical layer channel, and sends the first feedback information according to the comparison.

[0287] Typically, the first physical layer channel and the second physical layer channel are on the same carrier or the same BWP.

[0288] As an example, the first feedback information indicates that the reception quality of the second physical layer channel exceeds a first threshold compared to the reception quality of the first physical layer channel.

[0289] As an example, the first feedback information sorts the first physical layer channel and the first physical layer channel according to the quality of reception.

[0290] As an example, the first signaling and the second signaling belong to the same DCI.

[0291] The above embodiments avoid applying additional mechanisms to indicate the first physical layer channel and the second physical layer channel participating in the comparison; furthermore, the first physical layer channel and the second physical layer channel may also share certain scheduling parameters / certain fields in the same DCI, such as the TDRA (Time Domain Resource Allocation) field, TCI field, MCS field, or antenna port field, etc.

[0292] As an example, the same TB (Transport Block) is transmitted on the first physical layer channel and the second physical layer channel.

[0293] The above embodiments avoid the first node receiving too many data channels within the same time resources, thus reducing the complexity of the first node.

[0294] As one embodiment, the first node determines the first physical layer channel and the second physical layer channel based on the indications of the first signaling and the second signaling. For example, the first signaling and the second signaling each indicate a group number, and physical layer channels scheduled by signaling with the same group number are compared; or, for another example, the time-domain resources of the first physical layer channel indicated by the first signaling and the time-domain resources of the second physical layer channel indicated by the second signaling completely or partially overlap, and physical layer channels with overlapping or intersecting time-domain resources are compared.

[0295] The selection of the first physical layer channel and the second physical layer channel by the second node is usually determined by the equipment vendor. For example, the scheduler of the second node outputs the two (or more) scheduling results with the best reception quality, which correspond to the first physical layer channel and the second physical layer channel (or more physical layer channels) respectively. Or, for another example, the first physical layer channel and the second physical layer channel are the optimal scheduling results obtained by the scheduler performing two scheduling operations.

[0296] Using the first feedback information, the scheduler parameters can be fine-tuned to improve scheduling performance.

[0297] It should be noted that although only two physical layer channels are illustrated in Embodiment 8, the first node may also compare the reception quality of more than two physical layer channels and send first feedback information. For example, the first feedback information indicates the physical layer channel with the best reception quality among the multiple physical layer channels, or the first feedback information sorts the multiple physical layer channels according to the quality of reception.

[0298] Example 9

[0299] Example 9 illustrates a flowchart of an operation performed according to a first set of conditions according to an embodiment of this application, as shown in Figure 9.

[0300] In Example 9, the first node determines whether the first condition set is satisfied in step S701. If it is satisfied, it compares the reception quality of the first physical layer channel with the reception quality of other time-frequency resources in step S702. If it is not satisfied, the process ends.

[0301] As an example, the first node sends first feedback information in step S702.

[0302] Alternatively, the first node may send the first feedback information only if the reception quality of the other time-frequency resources exceeds a first threshold compared to the reception quality of the first physical layer channel.

[0303] As an example, the first condition set includes a trigger indication of the first signaling, wherein the trigger indication of the first signaling is indicated by a bit in the first signaling; the first condition set includes the first bit in the first signaling being 1 (or 0).

[0304] As one embodiment, the first condition set includes a trigger indication of the second signaling, wherein the trigger indication of the second signaling is indicated by a bit in the second signaling; the first condition set includes the first bit in the second signaling being 1 (or 0).

[0305] Example 10

[0306] Example 10 illustrates a schematic diagram of a DCI according to an embodiment of this application, as shown in Figure 10. It should be noted that Figure 10 does not limit the relative positions of different domains within the DCI.

[0307] In Embodiment 10, a DCI includes a first domain, an MCS domain, a TCI domain, an antenna port domain, etc. The first domain in the DCI indicates that the reception quality of the physical layer channel scheduled by the first DCI is used for comparison.

[0308] As an example, the signaling format of the first signaling in this application adopts the format of the aforementioned DCI.

[0309] As an example, both the first signaling and the second signaling in this application belong to the same DCI.

[0310] As a sub-implementation of the above embodiment, the DCI includes two FDRA (Frequency Domain Resource Allocation) fields, which belong to the first signaling and the second signaling, respectively, and respectively indicate the frequency domain resources of the first physical layer channel and the frequency domain resources of the second physical layer channel.

[0311] As a sub-implementation of the above embodiments, the DCI includes a TDRA domain, which is applied to the first physical layer channel and the second physical layer channel.

[0312] Example 11

[0313] Example 11 illustrates a schematic diagram of RAN (Radio Access Network) domain AI / ML function deployment according to an embodiment of this application, as shown in Figure 11. The gNB in ​​Example 11 can be replaced with, for example, an eNB, or a network device such as a 6G base station.

[0314] AI / ML related functions include ML training (also known as AI training, or AI / ML training), ML testing, and ML inference (also known as AI inference, or AI / ML inference), etc. ML training, ML testing, and ML inference functions can be deployed independently or co-located. Deployment of AI / ML related functions can be implemented through software, such as downloading and / or running executable files; or it can be implemented through a combination of software and hardware, such as accelerating specific computing units through hardware to improve computing speed or save power.

[0315] ML training functions can be deployed in a cross-domain management system or a domain-specific management system; the domain-specific management system is used to manage the RAN domain or the CN (Core Network) domain. For example, ML training functions for MDA (Management Data Analytics) can be deployed in MDAF (MDA Function); ML training for network data analytics can be deployed in NWDAF (Network Data Analytics Function), meaning the ML training function is an MTLF (Model Training Logical Function).

[0316] The ML inference function can also be deployed in a cross-domain management system or a domain-specific management system; for example, the ML inference function is MDAF, or the ML inference function is AnLF (Analytics logical function) located in NWDAF.

[0317] Similarly, ML testing capabilities can also be deployed in cross-domain management systems or domain-specific management systems.

[0318] In Example 11, the RAN domain ML training function 1402 is located in the RAN domain management function 1403; while the ML inference function is located in the base station, that is, the AI / ML inference function 1404 is located in gNB 1405, the AI / ML inference function 1406 is located in gNB 1407, and so on.

[0319] In Figure 11, the management of ML inference functions of multiple base stations is completed by RAN domain management function 1403, that is, data interaction with RAN domain MnS (Mangement Service) consumers / cross-domain management 1401 (as shown by the dashed arrow in Figure 8).

[0320] Optionally, the management of ML inference function can also be completed by the base station itself, that is, each base station can independently interact with the RAN domain MnS consumer / cross-domain management 1401.

[0321] It should be noted that Example 11 is merely a non-limiting implementation; optionally, the ML training function of the RAN domain may also be deployed at the base station; or optionally, some base stations may deploy both the ML inference function and the ML training function of the RAN domain, while some base stations may only deploy the ML inference function.

[0322] As an example, one of the gNBs (or base stations) in Example 11 is the second node of this application.

[0323] As an example, the second transmitter includes one of the AL / ML inference functions in Figure 11, namely 1404 or 1406.

[0324] As an example, an AI / ML inference function in Figure 11 performs the function of the scheduler, that is, to obtain the scheduling result based on the inference data; the scheduling parameters of the first signaling in this application are implemented by the AI / ML inference function in Figure 11.

[0325] As an example, the training or fine-tuning of the AI / ML model corresponding to the scheduler is accomplished by the RAN domain ML training function 1402.

[0326] As an alternative embodiment to the above embodiments, the training or fine-tuning of the AI / ML model corresponding to the scheduler is completed by cross-domain management 1401.

[0327] Example 12

[0328] Example 12 illustrates a schematic diagram of the deployment of AI / ML functionality in a UE according to one embodiment of this application; as shown in Figure 12. The RAN domain ML training function 1505 in Figure 12 is optional.

[0329] UE function 1504 is deployed in the first node of this application, and the UE function 1504 includes AI / ML inference function 1506; the AI / ML inference function 1506 uses an ML model (also called an AI model) for inference; an ML model is typically trained before being used for AI / ML inference.

[0330] As an example, the UE function 1504 includes a RAN domain ML training function 1505, which runs training data through an ML model to obtain a relevant loss and adjusts the parameters of the ML model based on the calculated loss; the ML training includes at least one of ML initial training, ML re-training, and reinforcement learning.

[0331] The above embodiments can reduce the complexity of the base station, or save air interface resources caused by reporting training data; however, the above embodiments place high demands on the processing capabilities of the UE side.

[0332] Optionally, the UE function 1504 also includes a CN domain ML training function (not shown in Figure 12).

[0333] Optionally, the UE function 1504 also includes an AI / ML deployment function—not shown in Figure 12—for loading ML models and data.

[0334] As an example, the first node indicates whether it supports ML training function (RAN domain or CN domain) through capability reporting. The capability reporting is RRC signaling or NAS (Non-Access Stratum) signaling.

[0335] As an example, the ML model and the associated metadata are loaded by the first node from a network device or a remote server.

[0336] Optionally, the UE function 1504 is an MnS (Management Service) producer that provides data to the CN domain MnF (Management Function) 1501, and / or the RAN domain MnF 1502, and / or the cross-domain management system 1503 for management or analysis (as shown by the double arrow 1507).

[0337] Optionally, the UE function 1504 is an MnS consumer that loads data from the CN domain MnF (Management Function) 1501, and / or the RAN domain MnF 1502, and / or the cross-domain management system 1503 for AI / ML-related management, such as managing data requests, ML model activation, and / or ML training (as shown by double arrow 1507).

[0338] As an example, the other time-frequency resources mentioned in this application are obtained through inference by the AI / ML inference function 1506.

[0339] As an example, the first transmitter includes an AL / ML inference function 1506 in Figure 12.

[0340] As an example, the ML model is based on a neural network.

[0341] As an example, the ML model is based on CNN (Conventional Neural Networks).

[0342] As an example, the ML model is based on the Transformer architecture.

[0343] Example 13

[0344] Example 13 illustrates a schematic diagram of a processing system based on artificial intelligence or machine learning according to an embodiment of this application; as shown in Figure 13. Figure 13 includes a third processor, a fourth processor, a fifth processor, and a sixth processor.

[0345] In Example 13, the third processor sends a first dataset to the fourth processor and a second dataset to the fifth processor. The first dataset includes training data, and the second dataset includes inference data. The fourth processor generates a target first-class parameter set based on the first dataset and sends the generated target first-class parameter set to the fifth processor. The fifth processor processes the second dataset using the target first-class parameter set to obtain a first-class output. (Optionally), the fifth processor sends the first-class output to the sixth processor. In Figure 13, the first-class feedback and the second-class feedback are optional. The fourth processor includes ML training functionality, and the fifth processor includes ML inference functionality.

[0346] As one embodiment, the sixth processor includes ML testing functionality.

[0347] As an example, the sixth processor includes performance monitoring / evaluation of the ML model.

[0348] As an example, the fifth processor sends a first type of feedback to the fourth processor. The first type of feedback is used to trigger the recalculation or update of the target first type of parameter set, that is, to trigger ML initial training or ML retraining.

[0349] As one embodiment, the sixth processor sends a second type of feedback to the third processor, the second type of feedback being used to generate the first dataset or the second dataset, or the second type of feedback being used to trigger the sending of the first dataset or the second dataset.

[0350] As an example, the third processor, the fourth processor, the fifth processor, and the sixth processor all belong to the second node.

[0351] As an example, the third processor and the fifth processor belong to the second node, and the fourth processor and the sixth processor belong to the third node.

[0352] As an example, the first type of output includes scheduling results, namely the scheduling parameters of the first physical layer channel.

[0353] As an example, the first type of output includes scheduling parameters for the second physical layer channel.

[0354] As an example, the second dataset includes measurement results of multiple scheduled nodes collected by the second node, as well as HARQ (Hybrid Automatic Repeat Quest)-ACK and other reporting information.

[0355] As one example, the second dataset includes historical scheduling records of the second node for multiple scheduled nodes.

[0356] As an example, the fourth processor is used to train an ML model, and the trained model is described by the target first class of parameter sets.

[0357] As an example, the fourth processor belongs to the core network.

[0358] As an example, the fifth processor constructs a model based on the target first type of parameter group, and then inputs the second dataset into the constructed model to obtain the first type of output.

[0359] As an example, the fifth processor generates a recovery dataset based on the first type of output, and the error between the recovery dataset and the second dataset is used to generate the first type of feedback.

[0360] As an example, the first type of feedback is used to reflect the performance of the trained model; when the performance of the trained model fails to meet the requirements, the fourth processing opportunity recalculates the target first type of parameter set.

[0361] As an example, when the error is too large or the update has not been performed for too long, the performance of the trained model is considered to be unsatisfactory.

[0362] As an example, the target first type of parameter group includes one or more of the following: convolution kernel size, number of convolution layers, convolution stride, pooling kernel size, pooling kernel stride, pooling function, activation function, or number of feature maps.

[0363] As an example, the target first type of parameter group includes one or more of the following: convolution kernel, pooling kernel, pooling function, activation function, parameters of pooling function, or parameters of activation function.

[0364] Example 14

[0365] Example 14 illustrates a flowchart based on artificial intelligence or machine learning according to an embodiment of this application, as shown in Figure 14. Figure 14 includes a third operation, a fourth operation, a fifth operation, a sixth operation, and a seventh operation. In Example 14, the third and fourth operations belong to a first stage, the fifth operation belongs to a second stage, the sixth operation belongs to a third stage, and the seventh operation belongs to a fourth stage. In Figure 14, the arrowed lines indicate the sequence of the process.

[0366] As an example, the third operation includes AI / ML training, the fourth operation includes AI / ML testing, the fifth operation includes AI / ML emulation, the sixth operation includes AI / ML entity loading, and the seventh operation includes AI / ML inference.

[0367] As an example, the first stage includes a training phase, the second stage includes an emulation phase, the third stage includes a deployment phase, and the fourth stage includes an emulation phase.

[0368] As an example, the first stage includes AI / ML model training.

[0369] As an example, the first stage includes AI / ML model training and AI / ML testing.

[0370] As an example, the AI / ML model training includes initial training and re-training of one or a group of AI / ML entities.

[0371] As an example, the training of the AI / ML model depends on training data.

[0372] As an example, the AI / ML model training includes AI / ML entity validation.

[0373] As an example, the AI / ML entity verification is used to evaluate the performance of the AI / ML entity.

[0374] As an example, the AI / ML entity verification relies on verification data.

[0375] As an example, if the AI / ML entity verification results do not meet expectations, the AI / ML model will be retrained.

[0376] As an example, the AI / ML testing includes testing the validated AI / ML entities to estimate the performance of the trained AI / ML model.

[0377] As an example, if the AI / ML test results meet expectations, the AI / ML entity proceeds to the next stage; otherwise, the AI / ML model will be retrained.

[0378] As an example, the AI / ML test relies on test data.

[0379] As one embodiment, the second stage includes AI / ML simulation, which performs AI / ML entity inference in a simulation environment.

[0380] As an example, the AI / ML simulation estimates the performance of AI / ML entity reasoning in a simulation environment before using AI / ML entities.

[0381] As one embodiment, the second stage is optional.

[0382] As an example, the third stage includes AI / ML entity loading, which is to obtain trained AI / ML entities to obtain the desired AI / ML inference function.

[0383] As an example, the third stage is optional.

[0384] As an example, the third stage is no longer needed when the training and inference functions are co-located.

[0385] As an example, the fourth stage includes AI / ML inference.

[0386] Example 15

[0387] Example 15 illustrates a structural block diagram of a processing apparatus for a first node according to an embodiment of this application; as shown in Figure 15. In Figure 15, the processing apparatus 1600 in the first node includes a first receiver 1601 and a first transmitter 1602.

[0388] The first receiver 1601 receives a first signaling, which schedules a first physical layer channel; and receives data on the first physical layer channel. The first transmitter sends first feedback information, which depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources.

[0389] In Example 15, the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0390] As an example, the first feedback information indicates that the reception quality of the other time-frequency resources exceeds a first threshold compared to the reception quality of the first physical layer channel.

[0391] As an example, the reception quality of the first physical layer channel depends on the measurement of the DMRS for the first physical layer channel, and the reception quality of the other time-frequency resources depends on the measurement of the RS outside the other time-frequency resources.

[0392] As one embodiment, the first receiver 1601 receives a second signaling, the second signaling scheduling a second physical layer channel; and receives on the second physical layer channel; wherein the reception quality of the other time-frequency resources is the reception quality of the second physical layer channel.

[0393] As an example, the reception quality of the other time-frequency resources corresponds to a first index, the reception quality of the first physical layer channel corresponds to a second index, and the first threshold is 1; the first index indicates a modulation level and a code rate, and the second index also indicates a modulation level and a code rate.

[0394] As one embodiment, the first receiver 1601 receives a first configuration, the first configuration being a NAS (NonAccess Stratum) message; wherein the first configuration indicates at least one of the domains included in the first feedback information and a first RS resource set, and measurements for the first RS resource set are used to determine the reception quality of the other time-frequency resources.

[0395] As an example, the first feedback information is triggered when the first set of conditions is met; the first set of conditions includes the triggering indication of the first signaling.

[0396] As one embodiment, the first feedback information indicates at least one of the following:

[0397] The frequency domain location of the other time-frequency resources;

[0398] The difference in reception quality between the first physical layer channel and the other time-frequency resources.

[0399] As one embodiment, the first signaling includes scheduling information of the first physical layer channel, and the first feedback information depends on a comparison between the scheduling information of the first physical layer channel and a peer determined by the first node; the scheduling information of the first physical layer channel includes at least one of the following:

[0400] Airspace resources;

[0401] MCS index.

[0402] As one example, the first node is a user equipment.

[0403] As an example, the first node is a relay node device.

[0404] As an example, the first receiver 1601 includes {antenna 452, receiver 454, receiver processor 456, multi-antenna receiver processor 458, controller / processor 459, memory 460, data source 467} as in Example 4.

[0405] As an example, the first transmitter 1602 includes {antenna 452, receiver / transmitter 454, transmission processor 468, multi-antenna transmission processor 457, controller / processor 459, memory 460, data source 467} as in Example 4.

[0406] Example 16

[0407] Example 16 illustrates a structural block diagram of a processing apparatus for a second node according to an embodiment of the present application; as shown in Figure 16. In Figure 16, the processing apparatus 1700 in the second node includes a second transmitter 1701 and a second receiver 1702.

[0408] The second transmitter 1701 sends a first signaling message, which schedules a first physical layer channel; and transmits the signaling message on the first physical layer channel. The second receiver 1702 receives first feedback information, which depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources.

[0409] In Example 16, the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, but the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0410] As an example, the second transmitter 1701 sends a first report, which is a NAS message.

[0411] As an example, the first report includes the first feedback information, which is an AS message.

[0412] As one embodiment, the first configuration includes a first report, which is a NAS message; the first report indicates a first RS resource set, and measurements for the first RS resource set are used to determine the reception quality of the other time-frequency resources.

[0413] As an example, the first feedback information indicates that the reception quality of the other time-frequency resources exceeds a first threshold compared to the reception quality of the first physical layer channel.

[0414] As an example, the reception quality of the first physical layer channel depends on the measurement of the DMRS for the first physical layer channel, and the reception quality of the other time-frequency resources depends on the measurement of the RS outside the other time-frequency resources.

[0415] As one embodiment, the second transmitter 1701 sends a second signaling message, which schedules a second physical layer channel; and transmits the message on the second physical layer channel.

[0416] The reception quality of the other time-frequency resources is the reception quality of the second physical layer channel.

[0417] As an example, the reception quality of the other time-frequency resources corresponds to a first index, the reception quality of the first physical layer channel corresponds to a second index, and the first threshold is 1; the first index indicates a modulation level and a code rate, and the second index also indicates a modulation level and a code rate.

[0418] As an example, the first feedback information is triggered when the first set of conditions is met; the first set of conditions includes the triggering indication of the first signaling.

[0419] As one embodiment, the first feedback information indicates at least one of the following:

[0420] The frequency domain location of the other time-frequency resources;

[0421] The difference in reception quality between the first physical layer channel and the other time-frequency resources.

[0422] As one embodiment, the first signaling includes scheduling information of the first physical layer channel, and the first feedback information depends on a comparison between the scheduling information of the first physical layer channel and a peer determined by the first node; the scheduling information of the first physical layer channel includes at least one of the following:

[0423] Airspace resources;

[0424] MCS index.

[0425] In one embodiment, the second node is a base station device.

[0426] In one embodiment, the second node is a user equipment.

[0427] As one embodiment, the second node is a relay node device.

[0428] As an example, the first transmitter 1701 includes {antenna 420, receiver / transmitter 418, transmission processor 416, multi-antenna transmission processor 471, controller / processor 475, memory 476} as in Example 4.

[0429] As an example, the second receiver 1702 includes {antenna 420, receiver / transmitter 418, receiver processor 470, multi-antenna receiver processor 472, controller / processor 475, memory 476} as in Example 4.

[0430] Example 17

[0431] Example 17 illustrates a structural block diagram of a processing apparatus for a third node according to an embodiment of the present application; as shown in Figure 17. In Figure 17, the processing apparatus 1800 in the third node includes a third transmitter 1801 and a third receiver 1802.

[0432] The third transmitter 1801 transmits a first configuration, which is a NAS message; the third receiver 1802 receives a first report, which is a NAS message and includes first feedback information, which is an AS message.

[0433] In Example 17, the first feedback information depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; the first configuration indicates at least one of the domains included in the first feedback information and the first RS resource set, and measurements of the first RS resource set are used to determine the reception quality of the other time-frequency resources; the first physical layer channel is scheduled to the sender of the first feedback information by the first signaling, and the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

[0434] Typically, the third node is a core network device, and the transmission of the first configuration and the reception of the first report are both transmitted via wired connections.

[0435] Those skilled in the art will understand that all or part of the steps in the above methods can be implemented by a program instructing related hardware, and the program can be stored in a computer-readable storage medium, such as a read-only memory, hard disk, or optical disk. Optionally, all or part of the steps in the above embodiments can also be implemented using one or more integrated circuits. Accordingly, each module unit in the above embodiments can be implemented in hardware or in the form of software functional modules. This application is not limited to any specific combination of software and hardware. The user equipment, terminal, and UE in this application include, but are not limited to, drones, communication modules on drones, remote-controlled aircraft, aircraft, small aircraft, mobile phones, tablets, laptops, vehicle-mounted communication equipment, vehicles, RSUs, wireless sensors, internet access cards, IoT terminals, RFID terminals, NB-IoT terminals, MTC (Machine Type Communication) terminals, eMTC (enhanced MTC) terminals, data cards, internet access cards, vehicle-mounted communication equipment, low-cost mobile phones, low-cost tablets, and other wireless communication devices. The base stations or system equipment in this application include, but are not limited to, macrocell base stations, microcell base stations, small cell base stations, home base stations, relay base stations, eNBs, gNBs, TRPs (Transmitter Receiver Points), GNSS, relay satellites, satellite base stations, airborne base stations, RSUs (Road Side Units), drones, and testing equipment, such as transceivers or signaling testers that simulate some functions of a base station, and other wireless communication equipment.

[0436] Those skilled in the art will understand that the present invention can be practiced in other specified forms without departing from its core or essential characteristics. Therefore, the embodiments disclosed herein should be considered descriptive rather than restrictive in any way. The scope of the invention is defined by the appended claims rather than the foregoing description, and all modifications within their equivalent meaning and scope are considered to be included therein.

Claims

1. A first node used for wireless communication, characterized in that, include: A first receiver receives a first signaling message, which schedules a first physical layer channel. Received on the first physical layer channel; The first transmitter sends first feedback information, which depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources. Wherein, the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

2. The first node according to claim 1, characterized in that, The first feedback information indicates that the reception quality of the other time-frequency resources exceeds a first threshold compared to the reception quality of the first physical layer channel.

3. The first node according to claim 1 or 2, characterized in that, The reception quality of the first physical layer channel depends on the measurement of the DMRS for the first physical layer channel, and the reception quality of the other time-frequency resources depends on the measurement of the RS outside the other time-frequency resources.

4. The first node according to claim 1 or 2, characterized in that, include: The first receiver receives the second signaling, which schedules the second physical layer channel. Received on the second physical layer channel; The reception quality of the other time-frequency resources is the reception quality of the second physical layer channel.

5. The first node according to any one of claims 1 to 4, characterized in that, The reception quality of the other time-frequency resources corresponds to a first index, the reception quality of the first physical layer channel corresponds to a second index, and the first threshold is 1; the first index indicates a modulation level and a code rate, and the second index also indicates a modulation level and a code rate.

6. The first node according to any one of claims 1 to 5, characterized in that, include: The first receiver receives a first configuration, which is a NAS (Non-Access Stratum) message. The first configuration indicates at least one of the domains included in the first feedback information and the first RS resource set, and the measurement for the first RS resource set is used to determine the reception quality of the other time-frequency resources.

7. The first node according to any one of claims 1 to 6, characterized in that, The first feedback information is triggered when the first set of conditions is met; the first set of conditions includes the triggering indication of the first signaling.

8. The first node according to any one of claims 1 to 7, characterized in that, The first feedback information indicates at least one of the following: The frequency domain location of the other time-frequency resources; The difference in reception quality between the first physical layer channel and the other time-frequency resources.

9. The first node according to any one of claims 1 to 8, characterized in that, The first signaling includes scheduling information for the first physical layer channel, and the first feedback information depends on a comparison between the scheduling information for the first physical layer channel and a peer determined by the first node; the scheduling information for the first physical layer channel includes at least one of the following: Airspace resources; MCS index.

10. A second node used for wireless communication, characterized in that, include: The second transmitter sends the first signaling, which schedules the first physical layer channel. Transmitted on the first physical layer channel; The second receiver receives first feedback information, which depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources. Wherein, the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

11. The second node according to claim 10, characterized in that, include: The second transmitter sends a first report, which is a NAS message.

12. The second node according to claim 10 or 11, characterized in that, The first report includes the first feedback information, which is an AS message.

13. The second node according to any one of claims 10 to 12, characterized in that, The first configuration includes a first report, which is a NAS message; the first report indicates a first RS resource set, and measurements for the first RS resource set are used to determine the reception quality of the other time-frequency resources.

14. The second node according to any one of claims 10 to 13, characterized in that, The first feedback information indicates that the reception quality of the other time-frequency resources exceeds a first threshold compared to the reception quality of the first physical layer channel.

15. The second node according to any one of claims 10 to 14, characterized in that, The reception quality of the first physical layer channel depends on the measurement of the DMRS for the first physical layer channel, and the reception quality of the other time-frequency resources depends on the measurement of the RS outside the other time-frequency resources.

16. The second node according to any one of claims 10 to 15, characterized in that, include: The second transmitter sends a second signaling message, which schedules the second physical layer channel. Transmitted on the second physical layer channel; The reception quality of the other time-frequency resources is the reception quality of the second physical layer channel.

17. The second node according to any one of claims 10 to 16, characterized in that, The reception quality of the other time-frequency resources corresponds to a first index, the reception quality of the first physical layer channel corresponds to a second index, and the first threshold is 1; the first index indicates a modulation level and a code rate, and the second index also indicates a modulation level and a code rate.

18. The second node according to any one of claims 10 to 17, characterized in that, The first feedback information is triggered when the first set of conditions is met; the first set of conditions includes the triggering indication of the first signaling.

19. The second node according to any one of claims 10 to 18, characterized in that, The first feedback information indicates at least one of the following: The frequency domain location of the other time-frequency resources; The difference in reception quality between the first physical layer channel and the other time-frequency resources.

20. The second node according to any one of claims 10 to 19, characterized in that, The first signaling includes scheduling information for the first physical layer channel, and the first feedback information depends on a comparison between the scheduling information for the first physical layer channel and a peer determined by the first node; the scheduling information for the first physical layer channel includes at least one of the following: Airspace resources; MCS index.

21. A third node used for wireless communication, characterized in that, include: The third transmitter sends the first configuration, which is a NAS message; The third receiver receives the first feedback information, which is a NAS message. or, Receive a first report, which is a NAS message, and the first report includes first feedback information, which is an AS message; Wherein, the first feedback information depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; the first configuration indicates at least one of the domains included in the first feedback information and the first RS resource set, and measurements of the first RS resource set are used to determine the reception quality of the other time-frequency resources; the first physical layer channel is scheduled to the sender of the first feedback information by the first signaling, and the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

22. A method used in a first node of wireless communication, characterized in that, include: Receive the first signaling, and the first signaling schedules the first physical layer channel; Received on the first physical layer channel; Send first feedback information, which depends on the comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; Wherein, the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

23. The method according to claim 22, characterized in that, The first feedback information indicates that the reception quality of the other time-frequency resources exceeds a first threshold compared to the reception quality of the first physical layer channel.

24. The method according to claim 22 or 23, characterized in that, The reception quality of the first physical layer channel depends on the measurement of the DMRS for the first physical layer channel, and the reception quality of the other time-frequency resources depends on the measurement of the RS outside the other time-frequency resources.

25. The method according to any one of claims 22 to 24, characterized in that, include: Receive the second signaling, which schedules the second physical layer channel; Received on the second physical layer channel; The reception quality of the other time-frequency resources is the reception quality of the second physical layer channel.

26. The method according to any one of claims 22 to 25, characterized in that, The reception quality of the other time-frequency resources corresponds to a first index, the reception quality of the first physical layer channel corresponds to a second index, and the first threshold is 1; the first index indicates a modulation level and a code rate, and the second index also indicates a modulation level and a code rate.

27. The method according to any one of claims 22 to 26, characterized in that, include: Receive the first configuration, which is a NAS message; The first configuration indicates at least one of the domains included in the first feedback information and the first RS resource set, and the measurement for the first RS resource set is used to determine the reception quality of the other time-frequency resources.

28. The method according to any one of claims 22 to 27, characterized in that, The first feedback information is triggered when the first set of conditions is met; the first set of conditions includes the triggering indication of the first signaling.

29. The method according to any one of claims 22 to 28, characterized in that, The first feedback information indicates at least one of the following: The frequency domain location of the other time-frequency resources; The difference in reception quality between the first physical layer channel and the other time-frequency resources.

30. The method according to any one of claims 22 to 29, characterized in that, The first signaling includes scheduling information for the first physical layer channel, and the first feedback information depends on a comparison between the scheduling information for the first physical layer channel and a peer determined by the first node; the scheduling information for the first physical layer channel includes at least one of the following: Airspace resources; MCS index.

31. A method used in a second node of wireless communication, characterized in that, include: Send the first signaling, which schedules the first physical layer channel; Transmitted on the first physical layer channel; Receive first feedback information, which depends on the comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; Wherein, the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

32. The method according to claim 31, characterized in that, include: Send the first report, which is a NAS message.

33. The method according to claim 31 or 32, characterized in that, The first report includes the first feedback information, which is an AS message.

34. The method according to any one of claims 31 to 33, characterized in that, The first configuration includes a first report, which is a NAS message; the first report indicates a first RS resource set, and measurements for the first RS resource set are used to determine the reception quality of the other time-frequency resources.

35. The method according to any one of claims 31 to 34, characterized in that, The first feedback information indicates that the reception quality of the other time-frequency resources exceeds a first threshold compared to the reception quality of the first physical layer channel.

36. The method according to any one of claims 31 to 35, characterized in that, The reception quality of the first physical layer channel depends on the measurement of the DMRS for the first physical layer channel, and the reception quality of the other time-frequency resources depends on the measurement of the RS outside the other time-frequency resources.

37. The method according to any one of claims 31 to 36, characterized in that, include: Send a second signaling message, which schedules a second physical layer channel; Transmitted on the second physical layer channel; The reception quality of the other time-frequency resources is the reception quality of the second physical layer channel.

38. The method according to any one of claims 31 to 37, characterized in that, The reception quality of the other time-frequency resources corresponds to a first index, the reception quality of the first physical layer channel corresponds to a second index, and the first threshold is 1; the first index indicates a modulation level and a code rate, and the second index also indicates a modulation level and a code rate.

39. The method according to any one of claims 31 to 38, characterized in that, The first feedback information is triggered when the first set of conditions is met; the first set of conditions includes the triggering indication of the first signaling.

40. The method according to any one of claims 31 to 39, characterized in that, The first feedback information indicates at least one of the following: The frequency domain location of the other time-frequency resources; The difference in reception quality between the first physical layer channel and the other time-frequency resources.

41. The method according to any one of claims 31 to 40, characterized in that, The first signaling includes scheduling information for the first physical layer channel, and the first feedback information depends on a comparison between the scheduling information for the first physical layer channel and a peer determined by the first node; the scheduling information for the first physical layer channel includes at least one of the following: Airspace resources; MCS index.

42. A method used in a third node of wireless communication, characterized in that, include: Send the first configuration, which is a NAS message; Receive the first feedback information, which is a NAS message; or, Receive a first report, which is a NAS message, and the first report includes first feedback information, which is an AS message; Wherein, the first feedback information depends on a comparison of the reception quality of the first physical layer channel with the reception quality of other time-frequency resources; the first configuration indicates at least one of the domains included in the first feedback information and the first RS resource set, and measurements of the first RS resource set are used to determine the reception quality of the other time-frequency resources; the first physical layer channel is scheduled to the sender of the first feedback information by the first signaling, and the other time-frequency resources do not completely overlap with the first physical layer channel in the frequency domain, and the other time-frequency resources and the first physical layer channel belong to the same carrier in the frequency domain.

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