Method and apparatus in communication node used for wireless communication

Abstract

The invention discloses a method and an apparatus in a communication node used for wireless communication. A communication node receives a first message, wherein the first message configures a first reference signal and a target reference signal; sending a second message after the first message is received; the second message indicates a QCL relationship between the target reference signal and the first reference signal. According to the method for reporting the QCL relation, transmission errors caused by change of the QCL relation are avoided, the accuracy of the QCL relation used by the first node is improved, signaling interaction is reduced, and time delay is shortened.

Description

Technical Field

[0001] The present application relates to a transmission method and device in a wireless communication system, and more particularly to a method and device for a quasi-colocation (QCL) relationship. Background Art

[0002] The existing network deployment still has problems such as coverage blind spots and poor edge coverage. How to enhance coverage is an important direction for the future evolution of 3GPP (3rd Generation Partner Project). Among them, the reconfigurable intelligent surface (RIS) is an artificial electromagnetic surface structure with programmable electromagnetic properties. It contains a large number of independent low-cost passive subwavelength resonant units. Through the superposition of wireless response signals of a large number of RIS units, specific beam propagation characteristics are formed on a macro scale, thereby forming a flexible and controllable shaped beam, achieving the effect of eliminating coverage blind spots, enhancing edge coverage and increasing the rank of multi-stream transmission. Therefore, the reconfigurable intelligent surface is regarded as a key technology for 5G (5th Generation)-Advanced stage research and one of the core visions of 6G (6th Generation) with its low cost, low energy consumption, programmable, easy deployment, and high shaped gain with a larger antenna scale. Summary of the invention

[0003] In the 5G system, UE (User Equipment) performs reception / transmission according to the QCL relationship configured by the base station. Common wireless channel characteristics at the antenna port include Doppler shift, Doppler spread, average delay, delay spread and spatial receiver parameters.

[0004] The inventors found that the 5G network is based on beam communication, and the beam has strong directionality. The QCL relationship configured by the base station can meet the communication needs. However, when the channel environment changes, the QCL relationship indicated by the base station may change, and the UE may continue to receive / send according to this QCL relationship, which may cause transmission errors. In particular, but not limited to, when a reference signal is transmitted through RIS, the transmission path changes after the reference signal is reflected, and it is likely that the QCL relationship indicated by the base station will no longer be met. Therefore, it is necessary to enhance the QCL relationship.

[0005] In response to the above problems, the present application provides a solution. In the description of the above problems, the NR (New Radio) system is used as an example. The present application is also applicable to scenarios such as LTE (Long-Term Evolution) or LTE-A (Long-Term Evolution Advanced) or future wireless communication systems (especially but not limited to 5G-Advanced / 6G), to achieve technical effects similar to those of the NR system; further, the use of a unified design scheme for different scenarios can also help reduce hardware complexity and costs. Furthermore, although the present application provides a specific implementation method for RIS, the present application can also be used in other scenarios of downlink enhancement or uplink enhancement to achieve technical effects similar to RIS. Furthermore, although the original intention of the present application is for the Uu air interface, the present application can also be used for the PC5 port to achieve technical effects similar to those of the Uu air interface. Furthermore, although the original intention of this application is for the terminal and base station scenario, this application is also applicable to the V2X (Vehicle-to-Everything) scenario, the communication scenario between the terminal and the relay, and the relay and the base station, to achieve similar technical effects in the terminal and base station scenario. Further, although the original intention of this application is for the terminal and base station scenario, this application is also applicable to the IAB (Integrated Access and Backhaul) communication scenario, to achieve similar technical effects in the terminal and base station scenario. Further, although the original intention of this application is for the terrestrial network (Terrestrial Network, TN) scenario, this application is also applicable to the non-terrestrial network (Non-Terrestrial Network, NTN) communication scenario, to achieve similar technical effects in the TN scenario. In addition, the use of a unified solution for different scenarios also helps to reduce hardware complexity and cost.

[0006] As an example, the interpretation of the terms in the present application refers to the definition of the TS38 series of specification protocols of 3GPP.

[0007] As an example, the interpretation of the terms in the present application refers to the definition of the TS37 series of specification protocols of 3GPP.

[0008] It should be noted that, in the absence of conflict, the embodiments and features in any node of the present application can be applied to any other node. In the absence of conflict, the embodiments and features in the embodiments of the present application can be arbitrarily combined with each other.

[0009] The present application discloses a method in a first node used for wireless communication, characterized by comprising:

[0010] receiving a first message, wherein the first message configures a first reference signal and a target reference signal;

[0011] After the first message is received, sending a second message;

[0012] The second message indicates a QCL relationship between the target reference signal and the first reference signal.

[0013] As an embodiment, the problem to be solved by the present application includes: how to indicate the QCL relationship.

[0014] As an embodiment, the problem to be solved by the present application includes: how to avoid transmission errors caused by changes in the QCL relationship.

[0015] As an embodiment, the problem to be solved by the present application includes: how to improve the accuracy of the QCL relationship used by the first node.

[0016] As an embodiment, the characteristics of the above method include: the second message sent by the first node indicates the QCL relationship between the target reference signal configured by the first message and the first reference signal.

[0017] As an embodiment, the benefits of the above method include: indicating the QCL relationship between the target reference signal and the first reference signal through the first node.

[0018] As an embodiment, the benefits of the above method include: facilitating the auxiliary network to obtain the QCL relationship between the target reference signal and the first reference signal.

[0019] As an embodiment, the benefits of the above method include: avoiding transmission errors caused by changes in the QCL relationship through the second message.

[0020] As an embodiment, the benefits of the above method include: improving the accuracy of the QCL relationship used by the first node through the second message.

[0021] According to one aspect of the present application, it is characterized in that the second message indicates the QCL relationship between the target reference signal and the first reference signal, which means that the second message indicates that the target reference signal and the first reference signal are QCL.

[0022] According to one aspect of the present application, it is characterized in that the first message configures multiple reference signals, and the first reference signal is one of the multiple reference signals; the second message indicates that the target reference signal and the first reference signal are QCL from the multiple reference signals.

[0023] As an embodiment, the benefits of the above method include: reducing signaling interaction.

[0024] As an embodiment, the benefits of the above method include: shortening the delay.

[0025] As an embodiment, the benefits of the above method include: reducing the interruption time.

[0026] According to one aspect of the present application, it is characterized in that the second message indicates from the multiple reference signals that the target reference signal and the first reference signal are QCL dependent on the location and the first area of ​​the first node.

[0027] As an embodiment, the problem to be solved by the present application includes: how to determine whether the target reference signal and the first reference signal are QCL.

[0028] As an embodiment, the problem to be solved by the present application includes: how to trigger the second message.

[0029] As an embodiment, the characteristics of the above method include: the multiple reference signals are candidates for reference signals of the target reference signal QCL.

[0030] As an embodiment, the characteristics of the above method include: determining from the multiple reference signals that the target reference signal depends on the position of the first node and the first area.

[0031] As an embodiment, the above method utilizes the position of the first node and the first area, and is simple to implement.

[0032] As an embodiment, the above method utilizes the location of the first node and the first area, and the complexity of UE implementation is relatively low.

[0033] According to one aspect of the present application, it is characterized in that the second message indicates the QCL relationship between the target reference signal and the first reference signal means that the second message indicates that the target reference signal and the first reference signal are not QCL.

[0034] According to one aspect of the present application, it is characterized by comprising:

[0035] receiving a third message in response to the second message being sent;

[0036] The third message indicates that the target reference signal and the second reference signal are QCL.

[0037] As an embodiment, the characteristics of the above method include: the second message triggers and reconfiguration of the reference signal of the target reference signal QCL.

[0038] As an embodiment, the characteristics of the above method include: the second message triggers and updates the reference signal of the target reference signal QCL.

[0039] According to one aspect of the present application, it is characterized in that the second message indicates the QCL type of the target reference signal and the first reference signal.

[0040] According to one aspect of the present application, it is characterized by comprising:

[0041] sending or receiving the first reference signal;

[0042] sending the target reference signal;

[0043] The sending of the target reference signal depends on the QCL relationship between the target reference signal and the first reference signal.

[0044] According to one aspect of the present application, it is characterized by comprising:

[0045] sending or receiving the first reference signal;

[0046] receiving the target reference signal;

[0047] Wherein, receiving the target reference signal depends on a QCL relationship between the target reference signal and the first reference signal.

[0048] According to one aspect of the present application, it is characterized in that the second message indicates that the QCL relationship between the target reference signal and the first reference signal depends on the position of the first node and the first area.

[0049] The present application discloses a method used in a second node of wireless communication, characterized by comprising:

[0050] Sending a first message, wherein the first message configures a first reference signal and a target reference signal;

[0051] After the first message is sent, receiving a second message;

[0052] The second message indicates a QCL relationship between the target reference signal and the first reference signal.

[0053] According to one aspect of the present application, it is characterized in that the second message indicates the QCL relationship between the target reference signal and the first reference signal, which means that the second message indicates that the target reference signal and the first reference signal are QCL.

[0054] According to one aspect of the present application, it is characterized in that the first message configures multiple reference signals, and the first reference signal is one of the multiple reference signals; the second message indicates that the target reference signal and the first reference signal are QCL from the multiple reference signals.

[0055] According to one aspect of the present application, it is characterized in that the second message indicates from the multiple reference signals that the target reference signal and the first reference signal are QCL dependent on the location and the first area of ​​the first node.

[0056] According to one aspect of the present application, it is characterized in that the second message indicates the QCL relationship between the target reference signal and the first reference signal means that the second message indicates that the target reference signal and the first reference signal are not QCL.

[0057] According to one aspect of the present application, it is characterized by comprising:

[0058] sending a third message in response to receipt of the second message;

[0059] The third message indicates that the target reference signal and the second reference signal are QCL.

[0060] According to one aspect of the present application, it is characterized in that the second message indicates the QCL type of the target reference signal and the first reference signal.

[0061] According to one aspect of the present application, it is characterized by comprising:

[0062] receiving or sending the first reference signal;

[0063] receiving the target reference signal;

[0064] The target reference signal is sent depending on the QCL relationship between the target reference signal and the first reference signal.

[0065] According to one aspect of the present application, it is characterized by comprising:

[0066] receiving or sending the first reference signal;

[0067] sending the target reference signal;

[0068] The target reference signal is received depending on the QCL relationship between the target reference signal and the first reference signal.

[0069] According to one aspect of the present application, it is characterized in that the second message indicates that the QCL relationship between the target reference signal and the first reference signal depends on the position of the first node and the first area.

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

[0071] A first receiver receives a first message, wherein the first message configures a first reference signal and a target reference signal;

[0072] A first transmitter, after the first message is received, sends a second message;

[0073] The second message indicates a QCL relationship between the target reference signal and the first reference signal.

[0074] The present application discloses a second node used for wireless communication, characterized in that it includes:

[0075] A second transmitter sends a first message, wherein the first message configures a first reference signal and a target reference signal;

[0076] a second receiver, receiving a second message after the first message is sent;

[0077] The second message indicates a QCL relationship between the target reference signal and the first reference signal.

[0078] As an embodiment, compared with the traditional solution, the present application has at least one of the following advantages:

[0079] -. It is conducive to network optimization;

[0080] - is conducive to the auxiliary network to obtain the QCL relationship between the target reference signal and the first reference signal;

[0081] -.Avoids transmission errors caused by changes in QCL relationships;

[0082] -. Improved the accuracy of the QCL relationship used by the first node;

[0083] -.Reduce signaling interaction;

[0084] -. Shortened the delay;

[0085] -. Reduced interruption time;

[0086] -. Simple implementation;

[0087] -.UE implementation complexity is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0088] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0089] Figure 1 A flow chart showing the transmission of a first message and a second message according to an embodiment of the present application;

[0090] Figure 2 A schematic diagram of a network architecture according to an embodiment of the present application is shown;

[0091] Figure 3 A schematic diagram showing an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application;

[0092] Figure 4 A schematic diagram showing a first communication device and a second communication device according to an embodiment of the present application is shown;

[0093] Figure 5 A wireless signal transmission flow chart according to an embodiment of the present application is shown;

[0094] Figure 6 A schematic diagram showing that a second message indicates that a QCL relationship between a target reference signal and a first reference signal depends on a position of a first node and a first area according to an embodiment of the present application;

[0095] Figure 7 A schematic diagram showing that a second message according to an embodiment of the present application indicates that the first reference signal and the target reference signal are QCL;

[0096] Figure 8 A schematic diagram showing that a second message according to an embodiment of the present application indicates that a target reference signal and a first reference signal are QCL from among a plurality of reference signals;

[0097] Fig. 9 A schematic diagram showing a second message indicating from a plurality of reference signals that a target reference signal and a first reference signal are QCLs depending on a position of a first node and a first area according to an embodiment of the present application;

[0098] Fig.10 A schematic diagram showing that a second message indicates that a target reference signal and a first reference signal are not QCL according to an embodiment of the present application;

[0099] Fig.11 A schematic diagram showing a second message indicating the QCL type of a target reference signal and a first reference signal according to an embodiment of the present application;

[0100] Fig.12A structural block diagram of a processing device used in a first node according to an embodiment of the present application is shown;

[0101] Fig.13 A structural block diagram of a processing device used in a second node according to an embodiment of the present application is shown;

[0102] Fig.14 A schematic diagram showing transmission of a first reference signal and a target reference signal according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0103] The technical solution of the present application will be further described in detail below in conjunction with the accompanying drawings. It should be noted that, unless there is a conflict, the embodiments in the present application and the features in the embodiments can be combined with each other arbitrarily.

[0104] Example 1

[0105] Embodiment 1 illustrates a flowchart of the transmission of a first message and a second message according to an embodiment of the present application, as shown in the attached Figure 1 Attached Figure 1 In the figure, each box represents a step. It should be emphasized that the order of the boxes in the figure does not represent the temporal relationship between the steps represented.

[0106] In Example 1, the first node in the present application receives a first message in step 101, wherein the first message configures a first reference signal and a target reference signal; in step 102, after the first message is received, a second message is sent; wherein the second message indicates a QCL relationship between the target reference signal and the first reference signal.

[0107] As an embodiment, the first message configures the time domain resources and frequency domain resources of the first reference signal and the target reference signal.

[0108] As an embodiment, the first message configures resource mapping of the first reference signal and the target reference signal.

[0109] As an embodiment, the first message configures power control of the first reference signal and the target reference signal.

[0110] As an embodiment, the first message configures scrambling codes of the first reference signal and the target reference signal.

[0111] As an embodiment, the first message includes a first sub-message and a second sub-message, the first sub-message configures the first reference signal, and the second sub-message configures the target reference signal.

[0112] As a sub-embodiment of the above embodiment, the first sub-message is UE-specific, and the second sub-message is cell-common.

[0113] As a sub-embodiment of the above embodiment, the first sub-message is common to the cell, and the second sub-message is specific to the UE.

[0114] As an embodiment, the first message is UE specific.

[0115] As an embodiment, the first message is cell common.

[0116] As an embodiment, the first message includes an RRC (Radio Resource Control) message.

[0117] As an embodiment, the first message is an RRC message.

[0118] As an embodiment, the name of the first message includes RRC and Reconfiguration.

[0119] As an embodiment, the first message is an RRCReconfiguration message.

[0120] As an embodiment, the first message is a SIB1 (System Information Block 1) message.

[0121] As an embodiment, the first message includes a MAC (Medium Access Control) CE (Control Element).

[0122] As an embodiment, the first message is a MAC CE.

[0123] As an embodiment, the first message includes a DCI (Downlink Control Information, downlink control information).

[0124] As an embodiment, the first message is a DCI.

[0125] As an embodiment, the first message includes at least one RRC message and at least one MAC CE.

[0126] As an embodiment, the first message includes at least one RRC message and at least one DCI.

[0127] As an embodiment, a ServingCellConfig IE in the first message configures the first reference signal and the target reference signal.

[0128] As an embodiment, a ServingCellConfigCommon IE in the first message configures the first reference signal and the target reference signal.

[0129] As an embodiment, a ServingCellConfigCommonSIB IE in the first message configures the first reference signal and the target reference signal.

[0130] As an embodiment, the first message includes a first RRC information block, the first RRC information block configures a first TCI (Transmission Configuration Indicator) state, the first RRC information block includes a first field, and the first field includes an index of the first reference signal.

[0131] As a sub-embodiment of the above embodiment, the first reference signal is a QCL source.

[0132] As a sub-embodiment of the above embodiment, the first domain indicates that the first reference signal is a QCL source corresponding to the first TCI state.

[0133] As a sub-embodiment of the above embodiment, the first domain indicates that the first reference signal is a candidate of a QCL source corresponding to the first TCI state.

[0134] As a sub-embodiment of the above embodiment, the first RRC information block includes multiple fields, any one of the multiple fields indicates an index of a reference signal, and the reference signal indicated by any one of the multiple fields is a candidate for the QCL source corresponding to the first TCI state.

[0135] As a sub-embodiment of the above embodiment, the first RRC information block is a TCI-State IE.

[0136] As a sub-embodiment of the above embodiment, the first RRC information block is a QCL-Info field.

[0137] As a sub-embodiment of the above embodiment, the first RRC information block is a qcl-Type1 domain.

[0138] As a sub-embodiment of the above embodiment, the first RRC information block is a qcl-Type2 domain.

[0139] As an embodiment, the first message configures the QCL relationship between the target reference signal and the first reference signal.

[0140] As an embodiment, the first message configures the target reference signal and the first reference signal as QCL.

[0141] As an embodiment, the first message configures the QCL type of the target reference signal and the first reference signal.

[0142] As an embodiment, the first message does not configure the target reference signal and the first reference signal is QCL.

[0143] As an embodiment, the first message includes first signaling, and the first signaling activates the first TCI state for the target reference signal.

[0144] As a sub-embodiment of the above embodiment, the first RRC information block in the first message configures a first TCI state, and the first TCI state indicates the index of the first reference signal; the first signaling in the first message activates the first TCI state for the target reference signal.

[0145] As a sub-embodiment of the above embodiment, the first signaling is a DCI.

[0146] As a sub-embodiment of the above embodiment, the first signaling is an RRC message.

[0147] As a sub-embodiment of the above embodiment, the first signaling is a MAC CE.

[0148] As a sub-embodiment of the above embodiment, the first signaling indicates activation of the first TCI state, and the first TCI state is applied to at least the target reference signal.

[0149] As a sub-embodiment of the above embodiment, the first signaling indicates activation of the first TCI state, and the first TCI state is applied to a reference signal set, and the reference signal set includes at least the target reference signal.

[0150] As a sub-embodiment of the above embodiment, the first signaling is a TCI States Activation / Deactivation for UE-specific PDSCH (Physical Downlink Shared Channel) MAC CE, and the target reference signal is for UE-specific PDSCH.

[0151] As a sub-embodiment of the above embodiment, the first signaling is an Enhanced TCI StatesActivation / Deactivation for UE-specific PDSCH MAC CE, and the target reference signal is for UE-specific PDSCH.

[0152] As a sub-embodiment of the above embodiment, the first signaling is a TCI State Indication for UE-specific PDCCH (Physical Downlink Control Channel) MAC CE, and the target reference signal is for the UE-specific PDCCH.

[0153] As a sub-embodiment of the above embodiment, the first signaling is an Enhanced TCI States Indication for UE-specific PDCCH MAC CE, and the target reference signal is a UE-specific PDCCH.

[0154] As a sub-embodiment of the above embodiment, the first signaling is a Unified TCI StatesActivation / Deactivation MAC CE, and the candidates for the target reference signal include at least one of PDCCH DMRS (Demodulation Reference Signal) or PDSCH DMRS or CSI (Channel State Information)-RS (Reference Signal).

[0155] As a sub-embodiment of the above embodiment, the first signaling is a Unified TCI States Activation / Deactivation MAC CE, and the candidates for the target reference signal include at least one of PUCCH (Physical Uplink Control Channel) DMRS or PUSCH (Physical Uplink Shared Channel) DMRS or SRS (Sounding Reference Signal).

[0156] As a sub-embodiment of the above embodiment, the first signaling is a Unified TCI StatesActivation / Deactivation MAC CE, and the candidates for the target reference signal include at least one of PDCCH DMRS, PDSCH DMRS, CSI-RS, PUCCH DMRS, PUSCH DMRS, or SRS.

[0157] As a sub-embodiment of the above embodiment, the first signaling is an SP (semiPersistent) / AP (aperiodic) SRS TCI State Indication MAC CE, and the target reference signal is SP / AP SRS.

[0158] As a sub-embodiment of the above embodiment, the first signaling is a Serving Cell Set based SRS TCI State Indication MAC CE, and the target reference signal is SRS.

[0159] As a sub-embodiment of the above embodiment, the first TCI state is configured in the first cell.

[0160] As a sub-embodiment of the above embodiment, the first TCI state is configured in a BWP (Bandwidth Part) of the first cell.

[0161] As a sub-embodiment of the above embodiment, the first TCI state is configured in a CORESET (control resource set) of a BWP of the first cell.

[0162] As a sub-embodiment of the above embodiment, the first TCI state is configured in a CORESET set of a BWP of the first cell.

[0163] As a sub-embodiment of the above embodiment, after the first signaling is received and before the second message is sent, the first TCI state is not deactivated.

[0164] As a sub-embodiment of the above embodiment, after the first signaling is received and before the second message is sent, any signaling indicating deactivation of the first TCI state is not received.

[0165] As an embodiment, the first reference signal is an uplink reference signal.

[0166] As an embodiment, the first reference signal is an SRS.

[0167] As an embodiment, an SRS-Config in the first message configures the first reference signal.

[0168] As an embodiment, an SRS-ResourceSet in the first message configures the first reference signal.

[0169] As an embodiment, an SRS-Resource in the first message configures the first reference signal.

[0170] As an embodiment, the first reference signal is a downlink reference signal.

[0171] As an embodiment, the first reference signal is a PDSCH DMRS.

[0172] As an embodiment, the first reference signal is a PDCCH DMRS.

[0173] As an embodiment, the first reference signal is a CSI-RS.

[0174] As an embodiment, a CSI-ResourceConfig in the first message configures the first reference signal.

[0175] As an embodiment, a NZP-CSI-RS-Resource in the first message configures the first reference signal.

[0176] As an embodiment, a CSI-SSB-ResourceSet in the first message configures the first reference signal.

[0177] As an embodiment, a CSI-IM-Resource in the first message configures the first reference signal.

[0178] As an embodiment, the first reference signal is a PRS (Positioning Reference Signal, positioning reference signal).

[0179] As an embodiment, an NR-DL-PRS-PDC-Info in the first message configures the first reference signal.

[0180] As an embodiment, an NR-DL-PRS-Resource in the first message configures the first reference signal.

[0181] As an embodiment, a field including DL-PRS-PDC-Info in a name in the first message configures the first reference signal.

[0182] As an embodiment, a name in the first message includes a domain of DL-PRS-Resource to configure the first reference signal.

[0183] As an embodiment, a DL-PRS-QCL-Info in the first message configures the first reference signal.

[0184] As an embodiment, the target reference signal is an uplink reference signal.

[0185] As an embodiment, the target reference signal is an SRS.

[0186] As an embodiment, an SRS-Config in the first message configures the target reference signal.

[0187] As an embodiment, an SRS-ResourceSet in the first message configures the target reference signal.

[0188] As an embodiment, an SRS-Resource in the first message configures the target reference signal.

[0189] As an embodiment, the target reference signal is a downlink reference signal.

[0190] As an embodiment, the target reference signal is a PDSCH DMRS.

[0191] As an embodiment, the target reference signal is a PDCCH DMRS.

[0192] As an embodiment, a DMRS-DownlinkConfig in the first message configures the target reference signal.

[0193] As an embodiment, the target reference signal is a PUSCH DMRS.

[0194] As an embodiment, a DMRS-UplinkConfig in the first message configures the target reference signal.

[0195] As an embodiment, a DMRS-BundlingPUSCH-Config in the first message configures the target reference signal.

[0196] As an embodiment, the target reference signal is a PUCCH DMRS.

[0197] As an embodiment, a DMRS-BundlingPUCCH-Config in the first message configures the target reference signal.

[0198] As an embodiment, the target reference signal is a SSB.

[0199] As an embodiment, an SSB-MTC in the first message configures the target reference signal.

[0200] As an embodiment, an SSB-PositionQCL-Relation in the first message configures the target reference signal.

[0201] As an embodiment, an ss-PBCH-BlockPower in the first message configures the target reference signal.

[0202] As an embodiment, an ssb-PositionsInBurst in the first message configures the target reference signal.

[0203] As an embodiment, an ssb-PeriodicityServingCell in the first message configures the target reference signal.

[0204] As an embodiment, the target reference signal is a CSI-RS.

[0205] As an embodiment, a CSI-ResourceConfig in the first message configures the target reference signal.

[0206] As an embodiment, a NZP-CSI-RS-Resource in the first message configures the target reference signal.

[0207] As an embodiment, a CSI-SSB-ResourceSet in the first message configures the target reference signal.

[0208] As an embodiment, a CSI-IM-Resource in the first message configures the target reference signal.

[0209] As an embodiment, the target reference signal is a PRS.

[0210] As an embodiment, an NR-DL-PRS-PDC-Info in the first message configures the target reference signal.

[0211] As an embodiment, an NR-DL-PRS-Resource in the first message configures the target reference signal.

[0212] As an embodiment, a field including DL-PRS-PDC-Info in a name in the first message configures the target reference signal.

[0213] As an embodiment, a name in the first message includes a field including DL-PRS-Resource to configure the target reference signal.

[0214] As an embodiment, a DL-PRS-QCL-Info in the first message configures the target reference signal.

[0215] As an embodiment, the first reference signal is an uplink reference signal, and the target reference signal is an uplink reference signal.

[0216] As an embodiment, the first reference signal is a downlink reference signal, and the target reference signal is a downlink reference signal.

[0217] As an embodiment, the first reference signal is a downlink reference signal, and the target reference signal is an uplink reference signal.

[0218] As an embodiment, the first reference signal and the target reference signal are configured on the same cell.

[0219] As an embodiment, the first reference signal and the target reference signal are configured on two different cells.

[0220] As an embodiment, the first reference signal and the target reference signal are configured on the same BWP of the same cell.

[0221] As an embodiment, the first reference signal and the target reference signal are configured on two different BWPs of the same cell.

[0222] As an embodiment, the cell is a serving cell of the first node.

[0223] As an embodiment, the cell is the PCell (Primary Cell) of the first node.

[0224] As an embodiment, the cells belong to the same cell group (CG).

[0225] As an embodiment, the cell belongs to MCG (Master Cell Group).

[0226] As an embodiment, the cell is a service cell of the first node or a service cell configured to the first node.

[0227] As an embodiment, the second message includes an index of the first reference signal and an index of the target reference signal.

[0228] As an embodiment, after the first message is received and before the second message is sent, the first node is configured with the first reference signal and the target reference signal being QCL.

[0229] As an embodiment, after the first message is received and before the second message is sent, the first node is instructed to determine the antenna port characteristics of the target reference signal based on the first reference signal.

[0230] As an embodiment, after the first message is received and before the second message is sent, the first node is not configured such that the first reference signal and the target reference signal are QCL.

[0231] As an embodiment, the second message includes a report related to QCL.

[0232] As an embodiment, the second message includes a report of the QCL relationship.

[0233] As an embodiment, the second message includes a report of a QCL relationship failure.

[0234] As an embodiment, the second message includes a recommended QCL relationship.

[0235] As an embodiment, the second message includes the QCL relationship that the UE prefers to be configured.

[0236] As an embodiment, the second message is used to report the TCI status, and the TCI status indicates the QCL relationship.

[0237] As an embodiment, the second message is used for reporting UE storage information, and the UE storage information indicates a QCL relationship.

[0238] As an embodiment, the second message is used for reporting UE auxiliary information, and the UE auxiliary information indicates a QCL relationship.

[0239] As an embodiment, the second message is used to report failure information, and the failure information indicates a QCL relationship.

[0240] As an embodiment, the second message explicitly indicates the QCL relationship between the target reference signal and the first reference signal.

[0241] As an embodiment, the second message implicitly indicates the QCL relationship between the target reference signal and the first reference signal.

[0242] As an embodiment, the second message indicating the QCL relationship between the target reference signal and the first reference signal includes: the second message indicating the QCL type of the first reference signal and the target reference signal.

[0243] As an embodiment, the second message indicating the QCL relationship between the target reference signal and the first reference signal includes: the second message indicating whether the first reference signal and the target reference signal are QCL.

[0244] As an embodiment, the second message indicating the QCL relationship between the target reference signal and the first reference signal means that: the second message indicates the QCL type of the first reference signal and the target reference signal.

[0245] As an embodiment, the second message indicating the QCL relationship between the target reference signal and the first reference signal means that: the second message indicates whether the first reference signal and the target reference signal are QCL.

[0246] As an embodiment, the second message includes a field indicating whether the first reference signal and the target reference signal are QCL.

[0247] As a sub-embodiment of the above embodiment, the one field is set to a first value to indicate that the first reference signal and the target reference signal are QCL.

[0248] As a sub-embodiment of the above embodiment, the one field is set to a second value to indicate that the first reference signal and the target reference signal are not QCL.

[0249] As a sub-embodiment of the above embodiment, the first value is 1 and the second value is 0.

[0250] As a sub-embodiment of the above embodiment, the first value is 0 and the second value is 1.

[0251] As an embodiment, the second message includes an index of the first reference signal and an index of the target reference signal, indicating that the first reference signal and the target reference signal are QCL.

[0252] As an embodiment, the LCID corresponding to the second message indicates that the first reference signal and the target reference signal are QCL.

[0253] As an embodiment, the domain occupied by the second message indicates that the first reference signal and the target reference signal are QCL.

[0254] As an embodiment, the domain occupied by the second message indicates that the first reference signal and the target reference signal are QCL.

[0255] As an embodiment, the second message indicates that the first reference signal and the target reference signal are not QCL.

[0256] As an embodiment, the second message is transmitted via PUSCH.

[0257] As an embodiment, the second message is a MAC CE.

[0258] As a sub-embodiment of the above embodiment, the above method avoids occupying PUCCH resources.

[0259] As a sub-embodiment of the above embodiment, the above method shortens the transmission time compared with the RRC message.

[0260] As a sub-embodiment of the above embodiment, the second message is indicated by a MAC sub-header, and a value of an LCID field in the MAC sub-header indicates that the second message is used to indicate a QCL relationship of a reference signal.

[0261] As an embodiment, the second message is a physical layer signaling.

[0262] As a sub-embodiment of the above embodiment, the above method reduces transmission delay.

[0263] As a sub-embodiment of the above embodiment, the second message is a UCI.

[0264] As a sub-embodiment of the above embodiment, the second message occupies the PUCCH channel.

[0265] As a sub-embodiment of the above embodiment, the second message occupies a PUSCH channel.

[0266] As a sub-embodiment of the above embodiment, the second message is not multiplexed in a TB (Transmission Block).

[0267] As an embodiment, the second message is an RRC message.

[0268] As an embodiment, the second message is a UEInformationResponse message, and the second message includes a first information block, and the first information block indicates a QCL relationship between the first reference signal and the target reference signal.

[0269] As a sub-embodiment of the above embodiment, the above method is beneficial to network optimization.

[0270] As a sub-embodiment of the above embodiment, the above method is beneficial to SON or MDT.

[0271] As a sub-embodiment of the above embodiment, the first information block is an rlf-Report.

[0272] As a sub-embodiment of the above embodiment, before the second message is sent, a UEInformationRequest message is received; and as a response to receiving the UEInformationRequest message, the UEInformationResponse message is sent.

[0273] As a sub-embodiment of the above embodiment, the first information block is stored in the first UE variable.

[0274] As a sub-embodiment of the above embodiment, the value of the first information block in the second message is set to the value of the first information block in the first UE variable.

[0275] As a sub-embodiment of the above embodiment, the first UE variable is a VarRA-Report.

[0276] As a sub-embodiment of the above embodiment, the first UE variable is a VarRLF-Report.

[0277] As a sub-embodiment of the above embodiment, the first UE variable is a VarSuccessHO-Report.

[0278] As an embodiment, the second message is a UEAssistanceInformation message, and the second message includes a first information block, and the first information block indicates a QCL relationship between the first reference signal and the target reference signal.

[0279] As a sub-embodiment of the above embodiment, the above method is helpful to configure a suitable QCL relationship for the UE.

[0280] As a sub-embodiment of the above embodiment, the second message indicates that the first node prefers the configured QCL relationship.

[0281] As a sub-embodiment of the above embodiment, the second message indicates that the first node prefers a temporarily configured QCL relationship.

[0282] As a sub-embodiment of the above embodiment, the second message indicates that the first node prefers to be configured with the first reference signal and the target reference signal being QCL.

[0283] As a sub-embodiment of the above embodiment, the second message indicates that the first node prefers to be temporarily configured with the first reference signal and the target reference signal being QCL.

[0284] As an embodiment, one reference signal and another reference signal are QCL, which means that: the reference signal resources occupied by the one reference signal and the reference signal resources occupied by the other reference signal are QCL.

[0285] As an embodiment, one reference signal and another reference signal are QCL, which means: a port of the one reference signal and a port of the other reference signal are QCL.

[0286] As an embodiment, one reference signal and another reference signal are QCL, which means: a port of the one reference signal and a port of the other reference signal are QCL.

[0287] As an embodiment, one reference signal and another reference signal are QCL, which means that a port transmitting the one reference signal and a port transmitting the other reference signal are QCL.

[0288] As an embodiment, one reference signal and another reference signal are QCL means that: the first node can infer the wireless channel characteristics corresponding to the port of the other reference signal according to the wireless channel characteristics corresponding to the port of the one reference signal.

[0289] As an embodiment, the port is an antenna port.

[0290] As an embodiment, the port is a physical antenna port.

[0291] As an embodiment, the port is a logical antenna port.

[0292] Example 2

[0293] Embodiment 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in the attached Figure 2 Attached Figure 2The network architecture 200 of a 5G NR (New Radio) / LTE (Long-Term Evolution) / LTE-A (Long-Term Evolution Advanced) system is illustrated. The 5G NR / LTE / LTE-A network architecture 200 may be referred to as a 5GS (5G System) / EPS (Evolved Packet System) 200 or some other suitable term. The 5GS / EPS 200 includes at least one of a UE (User Equipment) 201, a RAN (Radio Access Network) 202, a 5GC (5G Core Network) / EPC (Evolved Packet Core) 210, a HSS (Home Subscriber Server) / UDM (Unified Data Management) 220, and an Internet service 230. The 5GS / EPS may be interconnected with other access networks, but these entities / interfaces are not shown for simplicity. As shown, 5GS / EPS provides packet switching services, but it will be readily understood by those skilled in the art that the various concepts presented throughout this application can be extended to networks or other cellular networks that provide circuit switching services. RAN includes node 203 and other nodes 204. Node 203 provides user and control plane protocol terminations toward UE 201. Node 203 can 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, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a basic service set (BSS), an extended service set (ESS), a TRP (transmitting receiving node) or some other suitable terminology. Node 203 provides an access point to 5GC / EPC 210 for UE 201. Examples of UE 201 include cellular phones, smart phones, session initiation protocol (SIP) phones, laptop computers, 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 Internet of Things devices, machine type communication devices, land vehicles, cars, wearable devices, or any other similar functional devices. Those skilled in the art may also refer to UE 201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable term.Node 203 is connected to 5GC / EPC210 via an S1 / NG interface. 5GC / EPC210 includes MME (Mobility Management Entity) / AMF (Authentication Management Field) / SMF (Session Management Function) 211, other MME / AMF / SMF214, S-GW (Service Gateway) / UPF (User Plane Function) 212, and P-GW (Packet Data Network Gateway) / UPF213. MME / AMF / SMF211 is a control node that handles signaling between UE201 and 5GC / EPC210. ​​In general, MME / AMF / SMF211 provides bearer and connection management. All user IP (Internet Protocal) packets are transmitted through S-GW / UPF212, which itself is connected to P-GW / UPF213. P-GW provides UE IP address allocation and other functions. P-GW / UPF213 is connected to Internet service 230. Internet service 230 includes operator-corresponding Internet protocol services, which may specifically include Internet, Intranet, IMS (IP Multimedia Subsystem) and packet-switched streaming services.

[0294] As an embodiment, the UE201 corresponds to the first node in the present application.

[0295] As an embodiment, the UE 201 is a user equipment (User Equipment, UE).

[0296] As an embodiment, the UE201 is a base station device (BaseStation, BS).

[0297] As an embodiment, the UE 201 is a relay device.

[0298] As an embodiment, the UE201 is a gateway device.

[0299] As an embodiment, the node 203 corresponds to the second node in the present application.

[0300] As an embodiment, the node 203 is a base station device.

[0301] As an embodiment, the node 203 is a user equipment.

[0302] As an embodiment, the node 203 is a relay device.

[0303] As an embodiment, the node 203 is a gateway device.

[0304] Typically, the UE 201 is a user equipment, and the node 203 is a base station device.

[0305] Typically, the UE 201 is a user equipment, and the node 203 is a user equipment.

[0306] Typically, the UE 201 is a base station device, and the node 203 is a base station device.

[0307] As an embodiment, the node 204 corresponds to the third node in the present application.

[0308] As an embodiment, the node 204 is a base station device.

[0309] As an embodiment, the node 204 is a user equipment.

[0310] As an embodiment, the node 204 is a relay device.

[0311] As an embodiment, the node 204 is a gateway device.

[0312] As an embodiment, the node 204 is a RIS.

[0313] As an embodiment, the user equipment supports transmission of a non-terrestrial network (NTN).

[0314] As an embodiment, the user equipment supports transmission of a terrestrial network (Terrestrial Network).

[0315] As an embodiment, the user equipment supports dual connection (DC) transmission.

[0316] As an embodiment, the user equipment includes an aircraft.

[0317] As an embodiment, the user equipment includes a vehicle-mounted terminal.

[0318] As an embodiment, the user equipment includes a vessel.

[0319] As an embodiment, the user equipment includes an Internet of Things terminal.

[0320] As an embodiment, the user equipment includes a terminal of the industrial Internet of Things.

[0321] As an embodiment, the user equipment includes a device supporting low-latency and high-reliability transmission.

[0322] As an embodiment, the user equipment includes a test device.

[0323] As an embodiment, the user equipment includes a signaling tester.

[0324] As an embodiment, the user equipment includes an IAB (Integrated Access and Backhaul)-MT.

[0325] As an embodiment, the user equipment supports RIS.

[0326] As an embodiment, the user equipment supports positioning.

[0327] As an embodiment, the user equipment supports RIS and positioning.

[0328] As an embodiment, the user equipment supports irregular coverage.

[0329] As an embodiment, the base station device supports transmission in a non-terrestrial network.

[0330] As an embodiment, the base station device supports transmission of a terrestrial network.

[0331] As an embodiment, the base station equipment includes a base transceiver station (Base Transceiver Station, BTS).

[0332] As an embodiment, the base station device includes a Node B (NodeB, NB).

[0333] As an embodiment, the base station device includes a gNB.

[0334] As an embodiment, the base station device includes an eNB.

[0335] As an embodiment, the base station device includes ng-eNB.

[0336] As an embodiment, the base station device includes en-gNB.

[0337] As an embodiment, the base station device includes a CU (Centralized Unit).

[0338] As an embodiment, the base station device includes a DU (Distributed Unit).

[0339] As an embodiment, the base station device includes a TRP (Transmitter Receiver Point).

[0340] As an embodiment, the base station device includes a macro cellular (Marco Cellular) base station.

[0341] As an embodiment, the base station device includes a micro cell base station.

[0342] As an embodiment, the base station device includes a pico cell (Pico Cell) base station.

[0343] As an embodiment, the base station device includes a home base station (Femtocell).

[0344] As an embodiment, the base station device includes a flying platform device.

[0345] As an embodiment, the base station device includes a satellite device.

[0346] As an embodiment, the base station device includes a testing device.

[0347] As an embodiment, the base station equipment includes a signaling tester.

[0348] As an embodiment, the base station device includes a gateway device.

[0349] As an embodiment, the base station device includes an IAB-node.

[0350] As an embodiment, the base station device includes an IAB-donor.

[0351] As an embodiment, the base station device includes an IAB-donor-CU.

[0352] As an embodiment, the base station device includes an IAB-donor-DU.

[0353] As an embodiment, the base station device includes an IAB-DU.

[0354] As an embodiment, the base station device includes IAB-MT.

[0355] As an embodiment, the relay device includes a relay.

[0356] As an embodiment, the relay device includes an L3 relay.

[0357] As an embodiment, the relay device includes an L2 relay.

[0358] As an embodiment, the relay device includes a router.

[0359] As an embodiment, the relay device includes a switch.

[0360] As an embodiment, the relay device includes a gateway device.

[0361] As an embodiment, the relay device includes user equipment.

[0362] As an embodiment, the relay device includes a base station device.

[0363] Example 3

[0364] Embodiment 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to the present application, as shown in the attached Figure 3 shown. Figure 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane 350 and a control plane 300, Figure 3The radio protocol architecture for the control plane 300 is shown in three layers: Layer 1, Layer 2, and Layer 3. Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be referred to as PHY 301 in this article. Layer 2 (L2 layer) 305 is above PHY 301 and includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol) sublayer 304. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by encrypting data packets, and provides inter-zone mobility support. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ (Hybrid Automatic Repeat Request). The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in a cell. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control) sublayer 306 in layer 3 (L3 layer) in the control plane 300 is responsible for obtaining radio resources (i.e., radio bearers) and using RRC signaling to configure the lower layers. The radio protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer). In the user plane 350, the radio protocol architecture is substantially the same as the corresponding layers and sublayers in the control plane 300 for the physical layer 351, the PDCP sublayer 354 in the L2 layer 355, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355, but the PDCP sublayer 354 also provides header compression for upper layer data packets to reduce radio transmission overhead. The L2 layer 355 in the user plane 350 also includes a SDAP (Service Data Adaptation Protocol) sublayer 356. The SDAP sublayer 356 is responsible for mapping between QoS flows and data radio bearers (DRBs) to support service diversity.

[0365] As an example, Figure 3 The wireless protocol architecture in is applicable to the first node in this application.

[0366] As an example, Figure 3The wireless protocol architecture in is applicable to the second node in this application.

[0367] As an embodiment, all or part of the first message in the present application is generated in the RRC306.

[0368] As an embodiment, all or part of the first message in the present application is generated by the MAC302 or MAC352.

[0369] As an embodiment, all or part of the first message in the present application is generated by the PHY301 or PHY351.

[0370] As an embodiment, the second message in the present application is generated in the RRC306.

[0371] As an embodiment, the second message in the present application is generated by the MAC302 or MAC352.

[0372] As an embodiment, the second message in the present application is generated by the PHY301 or PHY351.

[0373] As an embodiment, the third message in the present application is generated in the RRC306.

[0374] As an embodiment, the third message in the present application is generated by the MAC302 or MAC352.

[0375] As an embodiment, the third message in the present application is generated by the PHY301 or PHY351.

[0376] As an embodiment, the first reference signal in the present application is generated by the PHY301 or PHY351.

[0377] As an embodiment, the target reference signal in the present application is generated by the PHY301 or PHY351.

[0378] As an embodiment, the multiple reference signals in the present application are generated by the PHY301 or PHY351.

[0379] Example 4

[0380] Embodiment 4 shows a schematic diagram of a first communication device and a second communication device according to the present application, as shown in the attached figure. Figure 4 shown. Figure 4 is a block diagram of a first communication device 450 and a second communication device 410 communicating with each other in an access network.

[0381] The first communication device 450 includes a controller / processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter / receiver 454 and an antenna 452.

[0382] The second communication device 410 includes a controller / processor 475 , a memory 476 , a receive processor 470 , a transmit processor 416 , a multi-antenna receive processor 472 , a multi-antenna transmit processor 471 , a transmitter / receiver 418 and an antenna 420 .

[0383] In transmission from the second communication device 410 to the first communication device 450, at the second communication device 410, upper layer data packets from the core network are provided to the controller / processor 475. The controller / processor 475 implements the functionality of the L2 layer. In transmission from the second communication device 410 to the first communication device 450, the controller / processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the first communication device 450 based on various priority metrics. The controller / processor 475 is also responsible for retransmission of lost packets and signaling to the first communication device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (i.e., the physical layer). The transmit processor 416 implements coding and interleaving to facilitate forward error correction (FEC) at the second communication device 410, as well as mapping of signal constellations based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), M-phase shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM)). The multi-antenna transmit processor 471 performs digital spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing on the coded and modulated symbols to generate one or more spatial streams. The transmit processor 416 then maps each spatial stream to a subcarrier, multiplexes it with a reference signal (e.g., a pilot) in the time domain and / or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate a physical channel carrying a time-domain multi-carrier symbol stream. The multi-antenna transmit processor 471 then performs a transmit analog precoding / beamforming operation on the time-domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream, and then provides it to a different antenna 420.

[0384] In the transmission from the second communication device 410 to the first communication device 450, at the first communication device 450, each receiver 454 receives a signal through its corresponding antenna 452. Each receiver 454 recovers the information modulated onto the RF carrier and converts the RF stream into a baseband multi-carrier symbol stream and provides it to the receiving processor 456. The receiving processor 456 and the multi-antenna receiving processor 458 implement various signal processing functions of the L1 layer. The multi-antenna receiving processor 458 performs a receiving analog precoding / beamforming operation on the baseband multi-carrier symbol stream from the receiver 454. The receiving processor 456 uses a fast Fourier transform (FFT) to convert the baseband multi-carrier symbol stream after the receiving analog precoding / beamforming operation from the time domain to the frequency domain. In the frequency domain, the physical layer data signal and the reference signal are demultiplexed by the receiving processor 456, wherein the reference signal will be used for channel estimation, and the data signal is recovered after multi-antenna detection in the multi-antenna receiving processor 458 to any spatial stream destined for the first communication device 450. The symbols on each spatial stream are demodulated and recovered in the receiving processor 456, and soft decisions are generated. The receiving processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals transmitted by the second communication device 410 on the physical channel. The upper layer data and control signals are then provided to the controller / processor 459. The controller / processor 459 implements the functions of the L2 layer. The controller / processor 459 may be associated with a memory 460 that stores program codes and data. The memory 460 may be referred to as a computer-readable medium. In the transmission from the second communication device 410 to the second communication device 450, the controller / processor 459 provides multiplexing between transport and logical channels, packet reassembly, decryption, header decompression, and control signal processing to recover the upper layer data packets from the core network. The upper layer data packets are then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing.

[0385] In the transmission from the first communication device 450 to the second communication device 410, at the first communication device 450, a data source 467 is used to provide upper layer data packets to the controller / processor 459. The data source 467 represents all protocol layers above the L2 layer. Similar to the transmission function at the second communication device 410 described in the transmission from the second communication device 410 to the first communication device 450, the controller / processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocation, and implements L2 layer functions for user plane and control plane. The controller / processor 459 is also responsible for the retransmission of lost packets and signaling to the second communication device 410. The transmit processor 468 performs modulation mapping and channel coding processing, and the multi-antenna transmit processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing. Then, the transmit processor 468 modulates the generated spatial stream into a multi-carrier / single-carrier symbol stream, which is then provided to different antennas 452 via the transmitter 454 after analog precoding / beamforming operations in the multi-antenna transmit processor 457. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a radio frequency symbol stream, and then provides it to the antenna 452.

[0386] In the transmission from the first communication device 450 to the second communication device 410, the function at the second communication device 410 is similar to the reception function at the first communication device 450 described in the transmission from the second communication device 410 to the first communication device 450. Each receiver 418 receives a radio frequency signal through its corresponding antenna 420, converts the received radio frequency signal into a baseband signal, and provides the baseband signal to the multi-antenna reception processor 472 and the reception processor 470. The reception processor 470 and the multi-antenna reception processor 472 jointly implement the functions of the L1 layer. The controller / processor 475 implements the L2 layer functions. The controller / processor 475 can be associated with a memory 476 storing program codes and data. The memory 476 can be referred to as a computer-readable medium. In the transmission from the first communication device 450 to the second communication device 410, the controller / processor 475 provides multiplexing between transport and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover the upper layer data packets from the UE 450. Upper layer packets from controller / processor 475 may be provided to the core network.

[0387] As an embodiment, the first 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 together with the at least one processor, and the first communication device 450 at least: receives a first message, the first message configures a first reference signal and a target reference signal; after the first message is received, sends a second message; wherein the second message indicates the QCL relationship between the target reference signal and the first reference signal.

[0388] As an embodiment, the first communication device 450 includes: a memory storing a computer-readable instruction program, wherein the computer-readable instruction program generates actions when executed by at least one processor, and the actions include: receiving a first message, wherein the first message configures a first reference signal and a target reference signal; after the first message is received, sending a second message; wherein the second message indicates a QCL relationship between the target reference signal and the first reference signal.

[0389] As an embodiment, the second communication device 410 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to be used together with the at least one processor. The second communication device 410 at least: sends a first message, the first message configures a first reference signal and a target reference signal; after the first message is sent, receives a second message; wherein the second message indicates a QCL relationship between the target reference signal and the first reference signal.

[0390] As an embodiment, the second communication device 410 includes: a memory storing a computer-readable instruction program, wherein the computer-readable instruction program generates actions when executed by at least one processor, and the actions include: sending a first message, wherein the first message configures a first reference signal and a target reference signal; after the first message is sent, receiving a second message; wherein the second message indicates the QCL relationship between the target reference signal and the first reference signal.

[0391] As an embodiment, at least one of the antenna 452, the receiver 454, the receiving processor 456, and the controller / processor 459 is used to receive a first message.

[0392] As an embodiment, at least one of the antenna 420, the transmitter 418, the transmit processor 416, and the controller / processor 475 is used to send a first message.

[0393] As an embodiment, at least one of the antenna 452, the transmitter 454, the transmit processor 468, and the controller / processor 459 is used to send a second message.

[0394] As an embodiment, at least one of the antenna 420, the receiver 418, the receiving processor 470, and the controller / processor 475 is used to receive a second message.

[0395] As an embodiment, at least one of the antenna 452, the receiver 454, the receiving processor 456, and the controller / processor 459 is used to receive a third message.

[0396] As an embodiment, at least one of the antenna 420, the transmitter 418, the transmit processor 416, and the controller / processor 475 is used to send a third message.

[0397] As an embodiment, at least one of the antenna 452, the receiver 454, the receiving processor 456, and the controller / processor 459 is used to receive a first reference signal.

[0398] As an embodiment, at least one of the antenna 420, the transmitter 418, the transmit processor 416, and the controller / processor 475 is used to send a first reference signal.

[0399] As an embodiment, at least one of the antenna 452, the transmitter 454, the transmit processor 468, and the controller / processor 459 is used to send a first reference signal.

[0400] As an embodiment, at least one of the antenna 420, the receiver 418, the receiving processor 470, and the controller / processor 475 is used to receive a first reference signal.

[0401] As an embodiment, at least one of the antenna 452, the receiver 454, the receiving processor 456, and the controller / processor 459 is used to receive a target reference signal.

[0402] As an embodiment, at least one of the antenna 420, the transmitter 418, the transmit processor 416, and the controller / processor 475 is used to send a target reference signal.

[0403] As an embodiment, at least one of the antenna 452, the transmitter 454, the transmit processor 468, and the controller / processor 459 is used to send a target reference signal.

[0404] As an embodiment, at least one of the antenna 420, the receiver 418, the receiving processor 470, and the controller / processor 475 is used to receive a target reference signal.

[0405] As an embodiment, the first communication device 450 corresponds to the first node in this application.

[0406] As an embodiment, the second communication device 410 corresponds to the second node in this application.

[0407] As an embodiment, the first communication device 450 is a user equipment.

[0408] As an embodiment, the first communication device 450 is a base station device.

[0409] As an embodiment, the first communication device 450 is a relay device.

[0410] As an embodiment, the second communication device 410 is a user equipment.

[0411] As an embodiment, the second communication device 410 is a base station device.

[0412] As an embodiment, the second communication device 410 is a relay device.

[0413] Example 5

[0414] Embodiment 5 illustrates a wireless signal transmission flow chart according to an embodiment of the present application, as shown in the attached Figure 5 It is particularly noted that the order in this example does not limit the signal transmission order and implementation order in this application.

[0415] for First node U01In step S5101, a first message is received, wherein the first message configures a first reference signal and a target reference signal; in step S5102, after the first message is received, a second message is sent, wherein the second message indicates a QCL relationship between the target reference signal and the first reference signal; in step S5103, a third message is received as a response to the second message being sent; the third message indicates that the target reference signal and the second reference signal are QCL; in step S5104, the first reference signal is received; in step S5105, the first reference signal is sent; in step S5106, the target reference signal is received, wherein the receiving target reference signal depends on the QCL relationship between the target reference signal and the first reference signal; in step S5107, the target reference signal is sent, wherein the sending target reference signal depends on the QCL relationship between the target reference signal and the first reference signal.

[0416] for Second node N02 In step S5201, the first message is sent; in step S5202, the second message is received; in step S5203, the third message is sent; in step S5204, the first reference signal is sent; in step S5205, the first reference signal is received; in step S5206, the target reference signal is sent; in step S5207, the target reference signal is received.

[0417] As an embodiment, the first node U01 and the second node N02 are connected wirelessly.

[0418] As an embodiment, the first node U01 and the second node N02 are connected via a wire.

[0419] As an embodiment, the first node U01 and the second node N02 are connected via a Uu port.

[0420] As an embodiment, the first node U01 and the second node N02 are connected via an IAB port.

[0421] As an embodiment, the first node U01 and the second node N02 are connected via a PC5 interface.

[0422] As an embodiment, the dashed box F5.1 is optional.

[0423] As an embodiment, the dashed box F5.1 exists.

[0424] As a sub-embodiment of the above embodiment, in response to the second message being sent and the second message indicating that the target reference signal and the first reference signal are not QCL, the first node U01 receives a third message.

[0425] As a sub-embodiment of the above embodiment, in response to the second message being received and the second message indicating that the target reference signal and the first reference signal are not QCL, the second node sends a third message.

[0426] As a sub-embodiment of the above embodiment, the third message confirms that the target reference signal and the second reference signal are QCL.

[0427] As a sub-embodiment of the above embodiment, the third message is transmitted in a downlink.

[0428] As a sub-embodiment of the above embodiment, the third message is transmitted on a secondary link.

[0429] As a sub-embodiment of the above embodiment, the third message is a DCI.

[0430] As a sub-embodiment of the above embodiment, the third message is a PDCCH load.

[0431] As a sub-embodiment of the above embodiment, the third message is in a PDCCH format.

[0432] As a sub-embodiment of the above embodiment, the third message is a MAC CE.

[0433] As a sub-embodiment of the above embodiment, the third message is an RRC message.

[0434] As a sub-embodiment of the above embodiment, the third message indicates an index of the second reference signal.

[0435] As a sub-embodiment of the above embodiment, the third message configures a second TCI state, and the second TCI state indicates an index of the second reference signal; and the third message is an RRC message.

[0436] As a sub-embodiment of the above embodiment, the third message indicates a second TCI state, and the second TCI state indicates an index of the second reference signal; the first message configures the second TCI state; and the third message is a MAC CE.

[0437] As a sub-embodiment of the above embodiment, the third message indicates a second TCI state, and the second TCI state indicates an index of the second reference signal; the first message configures the second TCI state; and the third message is a DCI.

[0438] As a sub-embodiment of the above embodiment, the third message indicates the first TCI state and the second index of the second reference signal, and the first TCI state indicates the index of the second reference signal; the first message indicates that the second reference signal is a candidate for a QCL source corresponding to the first TCI state.

[0439] As a sub-embodiment of the above embodiment, the second index of the second reference signal is the index of the second reference signal indicated by the first TCI state.

[0440] As a sub-embodiment of the above embodiment, the second index of the second reference signal indicates the second reference signal in the first TCI state.

[0441] As a sub-embodiment of the above embodiment, the second index of the second reference signal indicates the second reference signal among candidates of multiple QCL sources corresponding to the first TCI state.

[0442] As a sub-embodiment of the above embodiment, the second index of the second reference signal is effective in the first TCI state.

[0443] As a sub-embodiment of the above embodiment, the third message includes the index of the cell to which the first TCI state belongs.

[0444] As a sub-embodiment of the above embodiment, the third message includes the index of the BWP to which the first TCI state belongs.

[0445] As a sub-embodiment of the above embodiment, the third message includes the index of the CORESET to which the first TCI state belongs.

[0446] As an embodiment, the dotted box F5.1 does not exist.

[0447] As an embodiment, the dashed box F5.2 is optional.

[0448] As an embodiment, the dashed box F5.3 is optional.

[0449] As an embodiment, the dashed box F5.4 is optional.

[0450] As an embodiment, the dashed box F5.5 is optional.

[0451] As an embodiment, the dotted box F5.2 exists and the dotted box F5.4 exists.

[0452] As a sub-embodiment of the above embodiment, the first reference signal and the target reference signal are both downlink reference signals.

[0453] As a sub-embodiment of the above embodiment, step S5102 is before step S5104.

[0454] As a sub-embodiment of the above embodiment, step S5102 is after step S5104.

[0455] As a sub-embodiment of the above embodiment, step S5102 is before step S5106.

[0456] As a sub-embodiment of the above embodiment, step S5102 is after step S5106.

[0457] As an embodiment, the dotted box F5.2 exists and the dotted box F5.5 exists.

[0458] As a sub-embodiment of the above embodiment, the first reference signal is a downlink reference signal, and the target reference signal is an uplink reference signal.

[0459] As a sub-embodiment of the above embodiment, step S5102 is before step S5104.

[0460] As a sub-embodiment of the above embodiment, step S5102 is after step S5104.

[0461] As a sub-embodiment of the above embodiment, step S5102 is before step S5107.

[0462] As a sub-embodiment of the above embodiment, step S5102 is after step S5107.

[0463] As an embodiment, the dotted box F5.3 exists and the dotted box F5.4 exists.

[0464] As a sub-embodiment of the above embodiment, the first reference signal is an uplink reference signal, and the target reference signal is a downlink reference signal.

[0465] As a sub-embodiment of the above embodiment, step S5102 is before step S5105.

[0466] As a sub-embodiment of the above embodiment, step S5102 is after step S5105.

[0467] As a sub-embodiment of the above embodiment, step S5102 is before step S5106.

[0468] As a sub-embodiment of the above embodiment, step S5102 is after step S5106.

[0469] As an embodiment, the dotted box F5.3 exists and the dotted box F5.5 exists.

[0470] As a sub-embodiment of the above embodiment, the first reference signal and the target reference signal are both uplink reference signals.

[0471] As a sub-embodiment of the above embodiment, step S5102 is before step S5105.

[0472] As a sub-embodiment of the above embodiment, step S5102 is after step S5105.

[0473] As a sub-embodiment of the above embodiment, step S5102 is before step S5107.

[0474] As a sub-embodiment of the above embodiment, step S5102 is after step S5107.

[0475] As an embodiment, only one of the dashed box F5.2 and the dashed box F5.3 exists.

[0476] As an embodiment, the dotted box F5.2 and the dotted box F5.3 do not exist.

[0477] As an embodiment, only one of the dashed box F5.4 and the dashed box F5.5 exists.

[0478] As an embodiment, the dotted box F5.4 and the dotted box F5.5 do not exist.

[0479] Example 6

[0480] Embodiment 6 illustrates a schematic diagram in which a second message indicates that a QCL relationship between a target reference signal and a first reference signal depends on a position of a first node and a first area according to an embodiment of the present application.

[0481] In Embodiment 6, the second message indicates that a QCL relationship between the target reference signal and the first reference signal depends on a location of the first node and a first area.

[0482] As an embodiment, when the location of the first node belongs to the first area, the second message is sent; the second message indicates that the target reference signal and the first reference signal are QCL.

[0483] As a sub-embodiment of the above embodiment, at least the first reference signal among the target reference signal and the first reference signal is reflected by the third node.

[0484] As a sub-embodiment of the above embodiment, both the target reference signal and the first reference signal are reflected by the third node.

[0485] As a sub-embodiment of the above embodiment, the first reference signal covers the first area.

[0486] As a sub-embodiment of the above embodiment, the first reference signal is a first-type reference signal.

[0487] As an embodiment, when the location of the first node does not belong to the first area, the second message is sent; the second message indicates that the target reference signal and the first reference signal are QCL.

[0488] As a sub-embodiment of the above embodiment, neither the target reference signal nor the first reference signal is reflected by the third node.

[0489] As a sub-embodiment of the above embodiment, the first reference signal does not cover the first area.

[0490] As a sub-embodiment of the above embodiment, the first reference signal is not a reference signal of the first type.

[0491] As an embodiment, the position of the first node belongs to the first area, which means that the position of the first node is in the first area; otherwise, the position of the first node does not belong to the first area.

[0492] As an embodiment, the position of the first node belongs to the first area, which means that the position of the first node is within the first area; otherwise, the position of the first node does not belong to the first area.

[0493] As an embodiment, the position of the first node belongs to the first area, which means that the position of the first node is within the first area or the position of the first node is at the edge of the first area; otherwise, the position of the first node does not belong to the first area.

[0494] As an embodiment, the position of the first node belongs to the first area, which means that: the first node detects the first type of reference signal; otherwise, the position of the first node does not belong to the first area.

[0495] As an embodiment, the location of the first node belongs to the first area means that: the first node detects the first type of reference signal, and the measurement result of the first type of reference signal meets a given threshold; otherwise, the location of the first node does not belong to the first area.

[0496] As a sub-embodiment of the above embodiment, the given threshold is preconfigured.

[0497] As a sub-embodiment of the above embodiment, the given threshold is predefined.

[0498] As a sub-embodiment of the above embodiment, the given threshold is configurable.

[0499] As a sub-embodiment of the above embodiment, the given threshold is fixed.

[0500] As a sub-embodiment of the above embodiment, the measurement result of the first type of reference signal is RSRP.

[0501] As a sub-embodiment of the above embodiment, the measurement result of the first type of reference signal is BLER.

[0502] As an embodiment, the first node U01 determines the position of the first node U01 using GNSS (Global Navigation Satellite System).

[0503] As an embodiment, the first node U01 uses GPS (Global Position System) to determine the position of the first node U01.

[0504] As an embodiment, the first node U01 uses ISAC (Integrated Sensing and Communication) to determine the location of the first node.

[0505] As an embodiment, the first node U01 determines the position of the first node U01 using radar.

[0506] As an embodiment, the first node U01 uses a PRS (Positioning Reference Signal) to determine the position of the first node.

[0507] As an embodiment, the first node U01 determines that the position of the first node U01 depends on the positioning capability of the first node U01.

[0508] As an embodiment, the first node U01 determines the location of the first node U01 according to UE implementation.

[0509] As an embodiment, the position of the first node U01 is an absolute position.

[0510] As an embodiment, the position of the first node U01 is a relative position.

[0511] As an embodiment, the position of the first node U01 includes the longitude and latitude of the first node U01.

[0512] As an embodiment, the position of the first node U01 includes the distance between the first node U01 and a first reference position.

[0513] As an embodiment, the position of the first node U01 is a position when the first node U01 performs measurement on the first reference signal.

[0514] As an embodiment, the position of the first node U01 is a position when a measurement result of the first reference signal performed by the first node U01 is obtained.

[0515] As an embodiment, the position of the first node U01 is the current position of the first node U01.

[0516] As an embodiment, the position of the first node U01 is a predicted position of the first node U01.

[0517] As an embodiment, the predicted position refers to: a position at a time after the current time.

[0518] As an embodiment, the predicted position refers to: a position within a given time interval.

[0519] As an embodiment, the predicted position refers to: a position after a given time interval.

[0520] As an embodiment, the predicted position refers to: the position after a given time interval from the current moment.

[0521] As an embodiment, the first area is fixed in geographical location.

[0522] As an embodiment, the first area is variable in geographical location.

[0523] As an embodiment, a first RRC message is received, wherein the first RRC message configures the location of the first area.

[0524] As an embodiment, the first RRC message configures parameters of the first area.

[0525] As an embodiment, the first RRC message configures a first type of reference signal, and the first area depends on the first type of reference signal.

[0526] As a sub-embodiment of the above embodiment, the first area refers to an area covered by a first type of reference signal.

[0527] As a sub-embodiment of the above embodiment, the first type of reference signal is used for positioning.

[0528] As a sub-embodiment of the above embodiment, the first type of reference signal is used for UE positioning.

[0529] As a sub-embodiment of the above embodiment, the first type of reference signal is configured by RAN.

[0530] As a sub-embodiment of the above embodiment, the first type of reference signal is configured by the core network.

[0531] As a sub-embodiment of the above embodiment, the first type of reference signal is a PRS.

[0532] As a sub-embodiment of the above embodiment, the first type of reference signal is dedicated.

[0533] As a sub-embodiment of the above embodiment, the first type of reference signal is dedicated to RIS.

[0534] As a sub-embodiment of the above embodiment, the first type of reference signal is dedicated to coverage holes.

[0535] As a sub-embodiment of the above embodiment, the first type of reference signal is dedicated to the first area.

[0536] As a sub-embodiment of the above embodiment, senders of the first type of reference signals are the same.

[0537] As a sub-embodiment of the above embodiment, senders of the first type of reference signals are different.

[0538] As an embodiment, the first RRC message configures a first identifier and a first length, and the first area depends on the first identifier and the first length.

[0539] As a sub-embodiment of the above embodiment, the one field in the first RRC message includes the first identifier.

[0540] As a sub-embodiment of the above embodiment, the one field in the first RRC message indicates the first identifier.

[0541] As a sub-embodiment of the above embodiment, the one field in the first RRC message is set to the first identifier.

[0542] As a sub-embodiment of the above embodiment, a field in the first RRC message configures the first length.

[0543] As a sub-embodiment of the above embodiment, the one field in the first RRC message includes the first length.

[0544] As a sub-embodiment of the above embodiment, the one field in the first RRC message is set to the first length.

[0545] As a sub-embodiment of the above embodiment, the name of the domain in the first RRC message includes -ZoneLength.

[0546] As a sub-embodiment of the above embodiment, the name of the one domain in the first RRC message includes RIS-ZoneLength.

[0547] As a sub-embodiment of the above embodiment, the name of the domain in the first RRC message includes sl-ZoneLength.

[0548] As a sub-embodiment of the above embodiment, the unit of the first length is meter.

[0549] As a sub-embodiment of the above embodiment, the unit of the first length is 10 meters.

[0550] As a sub-embodiment of the above embodiment, if (x, y) satisfies y1+x1=the first identifier, the position of the first node belongs to the first area; wherein, x1=Floor(x / the first length); y1=Floor(y / the first length); the x and the y indicate the position of the first node.

[0551] As a sub-embodiment of the above embodiment, if (x, y) satisfies y1*the first integer + x1=the first identifier, the first position belongs to the first area; wherein, x1=Floor(x / the first length) Mod the first integer; y1=Floor(y / the first length) Mod the first integer; the x and the y indicate the position of the first node.

[0552] As a sub-embodiment of the above embodiment, the first RRC message is configured with multiple identifiers and a first length, and the first area depends on the multiple identifiers and the first length.

[0553] As a sub-embodiment of the above embodiment, if (x, y) satisfies y1+x1=any of the multiple identifiers, the position of the first node belongs to the first area; wherein, x1=Floor(x / the first length); y1=Floor(y / the first length); the x and the y indicate the position of the first node.

[0554] As a sub-embodiment of the above embodiment, if (x, y) satisfies y1*the first integer+x1=any one of the multiple identifiers, the first position belongs to the first area; wherein, x1=Floor(x / the first length) Mod the first integer; y1=Floor(y / the first length) Mod the first integer; the x and the y indicate the position of the first node.

[0555] As a sub-embodiment of the above embodiment, the first RRC message is configured with multiple identifiers and multiple lengths, and the first area depends on the multiple identifiers and the multiple lengths; the first identifier is one of the multiple identifiers, and the first length is one of the multiple lengths.

[0556] As a sub-embodiment of the above embodiment, if (x, y) satisfies y1+x1=any of the multiple identifiers, the position of the first node belongs to the first area; wherein, x1=Floor(x / length corresponding to any of the identifiers); y1=Floor(y / length corresponding to any of the identifiers); x and y indicate the position of the first node.

[0557] As a sub-embodiment of the above embodiment, if (x, y) satisfies y1*the first integer+x1=any one of the multiple identifiers, the position of the first node belongs to the first area; wherein, x1=Floor(x / length corresponding to any one of the identifiers) Mod the first integer; y1=Floor(y / length corresponding to any one of the identifiers) Mod the first integer; the x and the y indicate the position of the first node.

[0558] As a sub-embodiment of the above embodiment, the unit of x is meter.

[0559] As a sub-embodiment of the above embodiment, the unit of y is meter.

[0560] As a sub-embodiment of the above embodiment, the x is the longitude distance between the position of the first node and a first reference position.

[0561] As a sub-embodiment of the above embodiment, the y is the latitude distance between the position of the first node and the first reference position.

[0562] As a sub-embodiment of the above embodiment, the x is the geodesic longitude distance between the position of the first node and a first reference position.

[0563] As a sub-embodiment of the above embodiment, the y is the geodesic latitude distance between the position of the first node and the first reference position.

[0564] As a sub-embodiment of the above embodiment, the first reference position is configured by RRC.

[0565] As a sub-embodiment of the above embodiment, the first reference position is a default one.

[0566] As a sub-embodiment of the above embodiment, the first reference position is the geographic coordinate (0,0).

[0567] As a sub-embodiment of the above embodiment, the x is the geodesic longitude distance between the position of the first node and the geographic coordinate (0,0) according to the WGS84 model.

[0568] As a sub-embodiment of the above embodiment, y is the geodesic latitude distance between the position of the first node and the geographic coordinate (0,0) according to the WGS84 model

[58] .

[0569] As a sub-embodiment of the above embodiment, the WGS84 model refers to: Military Standard WGS84 Metric MIL-STD-2401 (11 January 1994): "Military Standard Department of Defense World Geodetic System (WGS)".

[0570] As a sub-embodiment of the above embodiment, the first integer is preconfigured.

[0571] As a sub-embodiment of the above embodiment, the first integer is configured by the first RRC message.

[0572] As a sub-embodiment of the above embodiment, the first integer is a default.

[0573] As a sub-embodiment of the above embodiment, the first integer is predefined.

[0574] As a sub-embodiment of the above embodiment, the first integer is a positive integer.

[0575] As a sub-embodiment of the above embodiment, the first integer is 32.

[0576] As a sub-embodiment of the above embodiment, the first integer is 64.

[0577] As a sub-embodiment of the above embodiment, the first integer is 128.

[0578] As an embodiment, the first RRC message configures a first reference position and a first length, and the first area depends on the first reference position and the first length.

[0579] As a sub-embodiment of the above embodiment, the position of the first node belongs to the first area depending on that the distance between the position of the first node and a first reference position does not exceed a first length.

[0580] As a sub-embodiment of the above embodiment, when the distance between the position of the first node and the first reference position does not exceed the first length, the position of the first node belongs to the first area.

[0581] As a sub-embodiment of the above embodiment, when the distance between the position of the first node and the first reference position exceeds the first length, the position of the first node does not belong to the first area.

[0582] As a sub-embodiment of the above embodiment, the not exceeding means: less than.

[0583] As a sub-embodiment of the above embodiment, the not exceeding refers to: less than or equal to.

[0584] As a sub-embodiment of the above embodiment, a field in the first RRC message configures the first reference location.

[0585] As a sub-embodiment of the above embodiment, the one field in the first RRC message indicates the first reference location.

[0586] As a sub-embodiment of the above embodiment, the one field in the first RRC message includes the coordinates of the first reference location.

[0587] As a sub-embodiment of the above embodiment, the one field in the first RRC message includes the longitude and latitude of the first reference location.

[0588] As a sub-embodiment of the above embodiment, the one field in the first RRC message includes the geodesic longitude and geodesic latitude of the first reference position.

[0589] As a sub-embodiment of the above embodiment, the one field in the first RRC message includes the surface longitude and surface latitude of the first reference position.

[0590] As a sub-embodiment of the above embodiment, another field in the first RRC message configures the first length.

[0591] As a sub-embodiment of the above embodiment, the other field in the first RRC message includes the first length.

[0592] As a sub-embodiment of the above embodiment, the other field in the first RRC message is set to the first length.

[0593] As a sub-embodiment of the above embodiment, the name of the other field in the first RRC message includes distance.

[0594] As a sub-embodiment of the above embodiment, the unit of the first length is meter.

[0595] As a sub-embodiment of the above embodiment, the unit of the first length is 10 meters.

[0596] As an embodiment, the first message configures a first longitude and a first latitude, and the first area depends on the first longitude and the first latitude.

[0597] As a sub-embodiment of the above embodiment, when the longitude of the position of the first node is between the first longitude and the second longitude and the latitude is between the first dimension and the second dimension, the position of the first node belongs to the first area.

[0598] As a sub-embodiment of the above embodiment, when the longitude of the position of the first node has a north longitude difference from the first longitude that is not greater than the second length and the latitude has a east latitude difference from the first dimension that is not greater than the first length, the position of the first node belongs to the first area.

[0599] As a sub-embodiment of the above embodiment, when the absolute value of the difference between the longitude of the position of the first node and the first longitude is not greater than the second length and the absolute value of the difference between the latitude and the first dimension is not greater than the first length, the position of the first node belongs to the first area.

[0600] As a sub-embodiment of the above embodiment, when the longitude of the position of the first node is not greater than the second length of the south longitude difference from the first longitude and the latitude is not greater than the first length of the east latitude difference from the first dimension, the position of the first node belongs to the first area.

[0601] As a sub-embodiment of the above embodiment, when the longitude of the position of the first node is not greater than the second length of the north longitude difference from the first longitude and the latitude is not greater than the first length of the west latitude difference from the first dimension, the position of the first node belongs to the first area.

[0602] As a sub-embodiment of the above embodiment, when the longitude of the position of the first node is not greater than the south longitude difference of the first longitude and the latitude is not greater than the west latitude of the first dimension, the position of the first node belongs to the first area.

[0603] As a sub-embodiment of the above embodiment, when the absolute value of the difference between the longitude of the position of the first node and the first longitude is not greater than the second length and the absolute value of the difference between the latitude and the first dimension is not greater than the first length, the position of the first node belongs to the first area.

[0604] As a sub-embodiment of the above embodiment, the second length is equal to the first length.

[0605] As a sub-embodiment of the above embodiment, the second length is not equal to the first length.

[0606] As a sub-embodiment of the above embodiment, the second length is not the first length.

[0607] As a sub-embodiment of the above embodiment, the second length is the first length.

[0608] As a sub-embodiment of the above embodiment, the first RRC message configures the first longitude, the second longitude, the first dimension, and the second dimension.

[0609] As a sub-embodiment of the above embodiment, the first RRC message configures the first longitude, the first latitude, the first length and the second length.

[0610] As a sub-embodiment of the above embodiment, the first RRC message configures the first longitude, the first latitude and the first length.

[0611] As a sub-embodiment of the above embodiment, the first longitude and the second length are used to determine the second longitude.

[0612] As a sub-embodiment of the above embodiment, the first dimension and the first length are used to determine the second dimension.

[0613] Example 7

[0614] Embodiment 7 illustrates a schematic diagram in which a second message indicates that the first reference signal and the target reference signal are QCL according to an embodiment of the present application.

[0615] In Embodiment 7, the second message indicating a QCL relationship between the target reference signal and the first reference signal means that the second message indicates that the target reference signal and the first reference signal are QCL.

[0616] As an embodiment, the first message does not configure the target reference signal and the first reference signal is QCL.

[0617] As an embodiment, before the second message is sent, the first node is not configured with the target reference signal and the first reference signal being QCL.

[0618] As an embodiment, before the second message is sent, the first node does not receive any signaling configuring the target reference signal and the first reference signal to be QCL.

[0619] As an embodiment, the first message indicates that the first reference signal is a candidate for a QCL source of the target reference signal.

[0620] As an embodiment, the first message indicates that the first reference signal is a candidate for a QCL source corresponding to the first TCI state.

[0621] As an embodiment, the first message indicates that the first reference signal and the second reference signal are candidates for a QCL source of the target reference signal.

[0622] As an embodiment, the first message indicates that the first reference signal and the second reference signal are candidates for a QCL source corresponding to the first TCI state.

[0623] As an embodiment, the second message explicitly indicates that the target reference signal and the first reference signal are QCL.

[0624] As an embodiment, the second message implicitly indicates that the target reference signal and the first reference signal are QCL.

[0625] As an embodiment, the second message is the target reference signal, and the QCL source used by the second message is the first reference signal.

[0626] As an embodiment, the second message indicates the first TCI state.

[0627] As an embodiment, the second message indicates the first TCI state and the index of the target reference signal.

[0628] As an embodiment, the second message indicates the index of the target reference signal and the index of the first reference signal.

[0629] As an embodiment, the second message indicates the index of the QCL source corresponding to the first TCI state and the first reference signal.

[0630] As an embodiment, the second message indicates the index of the target reference signal and the index of the QCL source corresponding to the first reference signal.

[0631] As an embodiment, in response to the second message being sent, a confirmation message is received; in response to the confirmation message being received, the target reference signal and the first reference signal are QCL.

[0632] As a sub-embodiment of the above embodiment, "as a response to the one confirmation message being received, the target reference signal and the first reference signal are QCL" means: as a response to the one confirmation message being received, the target reference signal and the first reference signal are QCL starting to take effect.

[0633] As a sub-embodiment of the above embodiment, "as a response to the one confirmation message being received, the target reference signal and the first reference signal are QCL" means: as a response to the one confirmation message being received, starting to use the first reference signal as the QCL source of the first TCI state.

[0634] As a sub-embodiment of the above embodiment, the response to the one confirmation message being received refers to: after the one confirmation message is received.

[0635] As a sub-embodiment of the above embodiment, the response of the one confirmation message being received refers to: when the one confirmation message is received.

[0636] As a sub-embodiment of the above embodiment, the response of receiving the one confirmation message refers to: a given time interval has passed after the one confirmation message is received.

[0637] As a sub-embodiment of the above embodiment, the given time interval is at least one symbol.

[0638] As a sub-embodiment of the above embodiment, the given time interval is 48 symbols.

[0639] As an embodiment, in response to the second message being sent, the target reference signal and the first reference signal are QCL.

[0640] As a sub-embodiment of the above embodiment, "as a response to the second message being sent, the target reference signal and the first reference signal are QCL" means: as a response to the second message being sent, the target reference signal and the first reference signal are QCL starting to take effect.

[0641] As a sub-embodiment of the above embodiment, "as a response to the second message being sent, the target reference signal and the first reference signal are QCL" means: as a response to the second message being sent, the first reference signal is started to be used as the QCL source of the first TCI state.

[0642] As a sub-embodiment of the above embodiment, the response to the second message being sent refers to: when the second message is sent.

[0643] As a sub-embodiment of the above embodiment, the response sent as the second message refers to: after the second message is sent.

[0644] As a sub-embodiment of the above embodiment, the response sent as the second message refers to: a given time interval after the second message is sent.

[0645] As a sub-embodiment of the above embodiment, the given time interval is at least one symbol.

[0646] As a sub-embodiment of the above embodiment, the given time interval is 48 symbols.

[0647] As an embodiment, the sending of the second message depends on the target reference signal and the first reference signal being QCL.

[0648] As an embodiment, the first node determines that the target reference signal and the first reference signal are not QCL; and sends the second message in response to the determination that the target reference signal and the first reference signal are not QCL.

[0649] As an embodiment, the first node determines that the target reference signal and the first reference signal are not QCL dependent on measurements of the first node.

[0650] As an embodiment, the first node determines that the target reference signal and the first reference signal are not QCL relying on the first node's measurement of the target reference signal.

[0651] As an embodiment, the first node determines that the target reference signal and the first reference signal are not QCL relying on the first node's measurement of the arrival time of the target reference signal.

[0652] As an embodiment, the first node determines that the target reference signal and the first reference signal are not QCL dependent on the position and the first area of ​​the first node.

[0653] As an embodiment, if the target reference signal and the first reference signal are QCL, the second message is sent.

[0654] As an embodiment, once the target reference signal and the first reference signal are QCL, the second message is sent.

[0655] As an embodiment, if the target reference signal and the previously adopted QCL source are no longer QCL and the target reference signal and the first reference signal are QCL, the second message is sent.

[0656] As an embodiment, the sending of the second message relies on the first node assuming that the target reference signal and the first reference signal are QCL.

[0657] As an embodiment, when the second message is sent, the first node assumes that the target reference signal and the first reference signal are QCL.

[0658] As an embodiment, if the first node assumes that the target reference signal and the first reference signal are QCL, the second message is sent.

[0659] As an embodiment, the assumption refers to should be assumed.

[0660] As an embodiment, the assumption refers to can be assumed.

[0661] As an embodiment, the sending of the second message depends on the first node considering that the target reference signal and the first reference signal are QCL.

[0662] As an embodiment, when the second message is sent, the first node considers that the target reference signal and the first reference signal are QCL.

[0663] As an embodiment, if the first node considers that the target reference signal and the first reference signal are QCL, the second message is sent.

[0664] As an embodiment, the “think” refers to “should think”.

[0665] As an embodiment, the term “consider” means “can be considered”.

[0666] Example 8

[0667] Embodiment 8 illustrates a schematic diagram in which a second message according to an embodiment of the present application indicates that a target reference signal and a first reference signal are QCL from among a plurality of reference signals.

[0668] In Embodiment 8, the first message configures a plurality of reference signals, the first reference signal being one of the plurality of reference signals; and the second message indicates from the plurality of reference signals that the target reference signal and the first reference signal are QCL.

[0669] As an embodiment, the first message configures a first TCI state, and the first TCI state indicates an index of each reference signal in the multiple reference signals.

[0670] As a sub-embodiment of the above embodiment, the above method is beneficial for UE to select a QCL source.

[0671] As a sub-embodiment of the above embodiment, the above method shortens the delay.

[0672] As a sub-embodiment of the above embodiment, the above method reduces signaling interaction.

[0673] As a sub-embodiment of the above embodiment, each reference signal among the multiple reference signals is a candidate of the QCL source associated with the first TCI state.

[0674] As a sub-embodiment of the above embodiment, the multiple reference signals are configured to the same QCL type of the first TCI state.

[0675] As a sub-embodiment of the above embodiment, the candidates of the same QCL type include at least one of typeA, typeB or typeC.

[0676] As a sub-embodiment of the above embodiment, the candidates for the same QCL type do not include typeD.

[0677] As a sub-embodiment of the above embodiment, the candidates of the same QCL type include at least one of typeA, typeB, typeC or typeD.

[0678] As a sub-embodiment of the above embodiment, the multiple reference signals are configured in the same QCL-Info.

[0679] As a sub-embodiment of the above embodiment, the multiple reference signals are configured in the same qcl-Type1.

[0680] As a sub-embodiment of the above embodiment, the multiple reference signals are configured in the same qcl-Type2.

[0681] As a sub-embodiment of the above embodiment, any two different reference signals among the multiple reference signals are configured in two different QCL-Info in the same qcl-Type1.

[0682] As a sub-embodiment of the above embodiment, any two different reference signals among the multiple reference signals are configured in two different QCL-Info in the same qcl-Type2.

[0683] As an embodiment, the first message configures a first TCI state and a second TCI state, the first TCI state indicates an index of the first reference signal, and the second TCI state indicates an index of the second reference signal.

[0684] As a sub-embodiment of the above embodiment, the first reference signal is a QCL source, and the second reference signal is a QCL source.

[0685] As an embodiment, the first node determines the first reference signal from the multiple reference signals.

[0686] As a sub-embodiment of the above embodiment, the determining refers to selecting.

[0687] As a sub-embodiment of the above embodiment, the determining refers to deciding.

[0688] As a sub-embodiment of the above embodiment, the determination refers to application.

[0689] As an embodiment, the first node considers that the target reference signal and the first reference signal among the multiple reference signals are QCL.

[0690] As an embodiment, the first node assumes that the target reference signal and the first reference signal among the multiple reference signals are QCL.

[0691] As an embodiment, the second message indicates that the target reference signal and the first reference signal are QCL.

[0692] As an embodiment, the second message indicates a configuration order of the first reference signal among the multiple reference signals.

[0693] As an embodiment, the second message indicates the index of the first reference signal among the multiple reference signals.

[0694] As an embodiment, the second message indicates the first reference signal among the multiple reference signals.

[0695] As an embodiment, the second message indicates the first TCI state and the first index of the first reference signal, and the first TCI state indicates the index of the first reference signal; the first message indicates that the first reference signal is a candidate for a QCL source corresponding to the first TCI state.

[0696] As a sub-embodiment of the above embodiment, the first index of the first reference signal is the index of the first reference signal indicated by the first TCI state.

[0697] As a sub-embodiment of the above embodiment, the first index of the first reference signal indicates the first reference signal in the first TCI state.

[0698] As a sub-embodiment of the above embodiment, the first index of the first reference signal indicates the second reference signal among candidates of multiple QCL sources corresponding to the first TCI state.

[0699] As a sub-embodiment of the above embodiment, the first index of the first reference signal is effective in the first TCI state.

[0700] Example 9

[0701] Embodiment 9 illustrates a schematic diagram of a second message indicating from a plurality of reference signals that a target reference signal and a first reference signal are QCLs depending on the position of the first node and the first area according to an embodiment of the present application, as shown in the attached figure. Fig. 9 shown.

[0702] In Embodiment 9, the second message indicates, from among the plurality of reference signals, that the target reference signal and the first reference signal are QCLs dependent on a location and a first area of ​​the first node.

[0703] As an embodiment, only when the location of the first node belongs to the first area, the second message indicates that the target reference signal and the first reference signal are QCL from the multiple reference signals.

[0704] As an embodiment, when the location of at least the first node belongs to the first area, the second message indicates that the target reference signal and the first reference signal are QCL from the multiple reference signals.

[0705] As an embodiment, only when the location of the first node belongs to the first area, the target reference signal and the first reference signal among the multiple reference signals are QCL.

[0706] As an embodiment, when at least the location of the first node belongs to the first area, the target reference signal and the first reference signal among the multiple reference signals are QCL.

[0707] As an embodiment, only when the location of the first node belongs to the first area, the target reference signal and the first reference signal among the multiple reference signals are both reflected by the third node.

[0708] As an embodiment, only when at least the location of the first node belongs to the first area, the target reference signal and the first reference signal among the multiple reference signals are both reflected by the third node.

[0709] As an embodiment, at least one reference signal other than the first reference signal among the multiple reference signals is not reflected by the third node.

[0710] As an embodiment, any reference signal other than the first reference signal among the multiple reference signals is not reflected by the third node.

[0711] Example 10

[0712] Embodiment 10 illustrates a schematic diagram of a second message indicating that the target reference signal and the first reference signal are not QCL according to an embodiment of the present application, as shown in the attached figure. Fig.10 shown.

[0713] In Embodiment 10, the second message indicating a QCL relationship between the target reference signal and the first reference signal means that the second message indicates that the target reference signal and the first reference signal are not QCL.

[0714] As an embodiment, the sending of the second message depends on the target reference signal and the first reference signal not being QCL.

[0715] As an embodiment, the first node determines that the target reference signal and the first reference signal are not QCL; and sends the second message in response to the determination that the target reference signal and the first reference signal are not QCL.

[0716] As an embodiment, the first node determines that the target reference signal and the first reference signal are not QCL dependent on measurements of the first node.

[0717] As an embodiment, the first node determines that the target reference signal and the first reference signal are not QCL relying on the first node's measurement of the target reference signal.

[0718] As an embodiment, the first node determines that the target reference signal and the first reference signal are not QCL relying on the first node's measurement of the arrival time of the target reference signal.

[0719] As an embodiment, the first node determines that the target reference signal and the first reference signal are not QCL dependent on the position and the first area of ​​the first node.

[0720] As an embodiment, the second message explicitly indicates that the target reference signal and the first reference signal are not QCL.

[0721] As an embodiment, the second message implicitly indicates that the target reference signal and the first reference signal are not QCL.

[0722] As an embodiment, the second message indicates that a QCL relationship between the target reference signal and the first reference signal is invalid.

[0723] As an embodiment, the second message indicates that the target reference signal and the first reference signal are no longer QCL.

[0724] As an embodiment, the second message indicates the first TCI state; the first message configures the first TCI state, and the first TCI state indicates the index of the first reference signal.

[0725] As an embodiment, the second message indicates the first TCI state and the index of the target reference signal; the first message configures the first TCI state, and the first TCI state indicates the index of the first reference signal.

[0726] Embodiment 11

[0727] Embodiment 11 illustrates a schematic diagram of a second message indicating the QCL type of a target reference signal and a first reference signal according to an embodiment of the present application, as shown in the attached figure. Fig.11 shown.

[0728] In embodiment 11, the second message indicates the QCL type of the target reference signal and the first reference signal.

[0729] As an embodiment, the second message indicates that the QCL type of the target reference signal and the first reference signal is a target QCL type.

[0730] As a sub-embodiment of the above embodiment, the target QCL type is typeA.

[0731] As a sub-embodiment of the above embodiment, the target QCL type is typeB.

[0732] As a sub-embodiment of the above embodiment, the target QCL type is typeC.

[0733] As a sub-embodiment of the above embodiment, the target QCL type is typeD.

[0734] As a sub-embodiment of the above embodiment, the target QCL type is typeX.

[0735] As a sub-embodiment of the above embodiment, the candidates for the target QCL type include at least one of typeA, typeB, typeC, or typeD.

[0736] As a sub-embodiment of the above embodiment, the candidates for the target QCL type include at least one of typeA or typeB or typeC or typeD or typeX.

[0737] As a sub-embodiment of the above embodiment, the typeX is typeE.

[0738] As a sub-embodiment of the above embodiment, the typeX is typeF.

[0739] As a sub-embodiment of the above embodiment, the typeX is a type other than typeA, typeB, typeC and typeD.

[0740] As a sub-embodiment of the above embodiment, the typeX includes at least two of typeA, typeB, typeC and typeD.

[0741] As a sub-embodiment of the above embodiment, the typeX is composed of typeA and typeD.

[0742] As a sub-embodiment of the above embodiment, the typeX is composed of typeB and typeD.

[0743] As a sub-embodiment of the above embodiment, the typeX is composed of typeC and typeD.

[0744] As a sub-embodiment of the above embodiment, the typeX is dedicated to RIS.

[0745] As a sub-embodiment of the above embodiment, the typeX is a first type of reference signal.

[0746] As an embodiment, the second message explicitly indicates that the QCL type of the target reference signal and the first reference signal is a target QCL type.

[0747] As an embodiment, the second message implicitly indicates that the QCL type of the target reference signal and the first reference signal is a target QCL type.

[0748] As an embodiment, the wireless resources occupied by the second message indicate that the QCL type of the target reference signal and the first reference signal is the target QCL type.

[0749] As a sub-embodiment of the above embodiment, the wireless resources occupied by the second message are pre-configured.

[0750] As a sub-embodiment of the above embodiment, the wireless resources occupied by the second message are configured by an RRC message.

[0751] As a sub-embodiment of the above embodiment, the wireless resources occupied by the second message are default.

[0752] As a sub-embodiment of the above embodiment, the wireless resources occupied by the second message include time domain resources and frequency domain resources.

[0753] As a sub-embodiment of the above embodiment, the wireless resources occupied by the second message include code domain resources.

[0754] As a sub-embodiment of the above embodiment, the wireless resources occupied by the second message include time domain resources, frequency domain resources and code domain resources.

[0755] As a sub-embodiment of the above embodiment, the wireless resources occupied by the second message include spatial resources.

[0756] As a sub-embodiment of the above embodiment, the code domain resource includes a binary sequence.

[0757] As a sub-embodiment of the above embodiment, the code domain resource includes a bit string.

[0758] As a sub-embodiment of the above embodiment, the code domain resources include a Preamble.

[0759] As a sub-embodiment of the above embodiment, the airspace resources include TRP.

[0760] As a sub-embodiment of the above embodiment, the spatial resources include beams.

[0761] As a sub-embodiment of the above embodiment, the spatial resources include antenna ports.

[0762] As a sub-embodiment of the above embodiment, the wireless resources occupied by the second message are associated with the target QCL type.

[0763] As an embodiment, the second message includes a field, and the field indicates that the QCL type of the target reference signal and the first reference signal is the target QCL type.

[0764] As an embodiment, the second message includes a field, and a value of the field indicates that the QCL type of the target reference signal and the first reference signal is the target QCL type.

[0765] As an embodiment, the second message includes a field, and the name of the field indicates that the QCL type of the target reference signal and the first reference signal is the target QCL type.

[0766] As an embodiment, the second message includes a field, a name of the field and a value of the field indicate that the QCL type of the target reference signal and the first reference signal is the target QCL type.

[0767] As an embodiment, the one field is set to a value indicating the target QCL type.

[0768] As a sub-embodiment of the above embodiment, the value indicating the target QCL type is typeA.

[0769] As a sub-embodiment of the above embodiment, the value indicating the target QCL type is typeB.

[0770] As a sub-embodiment of the above embodiment, the value indicating the target QCL type is typeC.

[0771] As a sub-embodiment of the above embodiment, the value indicating the target QCL type is typeD.

[0772] As a sub-embodiment of the above embodiment, the value indicating the target QCL type is typeE.

[0773] As an embodiment, the one domain is set, and the one domain is set to indicate that the QCL type of the target reference signal and the first reference signal is the target QCL type.

[0774] As a sub-embodiment of the above embodiment, if the one field is not set, it indicates that the QCL type of the target reference signal and the first reference signal is not the target QCL type.

[0775] As an embodiment, the one field is set to true, and the one field is set to true to indicate that the QCL type of the target reference signal and the first reference signal is the target QCL type.

[0776] As a sub-embodiment of the above embodiment, if the one domain is set to false, it indicates that the QCL type of the target reference signal and the first reference signal is not the target QCL type.

[0777] Example 12

[0778] Embodiment 12 illustrates a structural block diagram of a processing device used in a first node according to an embodiment of the present application; Fig.12 As shown in the attached Fig.12In the embodiment, the processing device 1200 in the first node includes a first receiver 1201 and a first transmitter 1202.

[0779] A first receiver 1201 receives a first message, where the first message configures a first reference signal and a target reference signal;

[0780] The first transmitter 1202 sends a second message after the first message is received;

[0781] In Embodiment 12, the second message indicates a QCL relationship between the target reference signal and the first reference signal.

[0782] As an embodiment, the second message indicating the QCL relationship between the target reference signal and the first reference signal means that: the second message indicates that the target reference signal and the first reference signal are QCL.

[0783] As an embodiment, the first message configures multiple reference signals, and the first reference signal is one of the multiple reference signals; the second message indicates from the multiple reference signals that the target reference signal and the first reference signal are QCL.

[0784] As an embodiment, the second message indicates that the target reference signal and the first reference signal from among the multiple reference signals are QCLs that depend on the location of the first node and the first area.

[0785] As an embodiment, the second message indicating the QCL relationship between the target reference signal and the first reference signal means that: the second message indicates that the target reference signal and the first reference signal are not QCL.

[0786] As an embodiment, the first receiver 1201 receives a third message as a response to the second message being sent; wherein the third message indicates that the target reference signal and the second reference signal are QCL.

[0787] As an embodiment, the second message indicates the QCL type of the target reference signal and the first reference signal.

[0788] As an embodiment, a first processor sends or receives the first reference signal; a second processor sends the target reference signal; wherein sending the target reference signal depends on a QCL relationship between the target reference signal and the first reference signal.

[0789] As an embodiment, a first processor sends or receives the first reference signal; a second processor receives the target reference signal; wherein receiving the target reference signal depends on a QCL relationship between the target reference signal and the first reference signal.

[0790] As an embodiment, the first processor is the first transmitter 1202.

[0791] As an embodiment, the first processor is the first receiver 1201.

[0792] As an embodiment, the first processor is the first transmitter 1202 and the first receiver 1201.

[0793] As an embodiment, the second message indicates that a QCL relationship between the target reference signal and the first reference signal depends on a location of the first node and a first area.

[0794] As an embodiment, the first receiver 1201 includes the attached Figure 4 At least one of the antenna 452 or the receiver 454 or the multi-antenna receive processor 458 or the receive processor 456 or the controller / processor 459 or the memory 460 or the data source 467.

[0795] As an embodiment, the first receiver 1201 includes the attached Figure 4 At least an antenna 452 and a receiver 454.

[0796] As an embodiment, the first transmitter 1202 includes the attached Figure 4 At least one of the antenna 452 or transmitter 454 or multi-antenna transmit processor 457 or transmit processor 468 or controller / processor 459 or memory 460 or data source 467.

[0797] As an embodiment, the first transmitter 1202 includes the attached Figure 4 At least antenna 452 and transmitter 454.

[0798] Example 13

[0799] Embodiment 13 illustrates a structural block diagram of a processing device used in a second node according to an embodiment of the present application; Fig.13 As shown in the attached Fig.13 In the embodiment, the processing device 1300 in the second node includes a second transmitter 1301 and a second receiver 1302.

[0800] The second transmitter 1301 sends a first message, where the first message configures a first reference signal and a target reference signal;

[0801] A second receiver 1302 receives a second message after the first message is sent;

[0802] In Embodiment 13, the second message indicates a QCL relationship between the target reference signal and the first reference signal.

[0803] As an embodiment, the second message indicating the QCL relationship between the target reference signal and the first reference signal means that: the second message indicates that the target reference signal and the first reference signal are QCL.

[0804] As an embodiment, the first message configures multiple reference signals, and the first reference signal is one of the multiple reference signals; the second message indicates from the multiple reference signals that the target reference signal and the first reference signal are QCL.

[0805] As an embodiment, the second message indicates that the target reference signal and the first reference signal from among the multiple reference signals are QCLs that depend on the location of the first node and the first area.

[0806] As an embodiment, the second message indicating the QCL relationship between the target reference signal and the first reference signal means that: the second message indicates that the target reference signal and the first reference signal are not QCL.

[0807] As an embodiment, the second transmitter 1301, in response to the second message being received, sends a third message; wherein the third message indicates that the target reference signal and the second reference signal are QCL.

[0808] As an embodiment, the second message indicates the QCL type of the target reference signal and the first reference signal.

[0809] As an embodiment, the third processor receives or sends the first reference signal; the fourth processor sends the target reference signal; wherein, the target reference signal is received depending on the QCL relationship between the target reference signal and the first reference signal.

[0810] As an embodiment, the third processor receives or sends the first reference signal; the fourth processor receives the target reference signal; wherein the target reference signal is sent depending on the QCL relationship between the target reference signal and the first reference signal.

[0811] As an embodiment, the third processor is the second transmitter 1301.

[0812] As an embodiment, the third processor is the second receiver 1302.

[0813] As an embodiment, the third processor is the second transmitter 1301 and the second receiver 1302.

[0814] As an embodiment, the second message indicates that a QCL relationship between the target reference signal and the first reference signal depends on a location of the first node and a first area.

[0815] As an embodiment, the second transmitter 1301 includes the attached Figure 4 At least one of the antenna 420 or the transmitter 418 or the multi-antenna transmit processor 471 or the transmit processor 416 or the controller / processor 475 or the memory 476.

[0816] As an embodiment, the second transmitter 1301 includes the attached Figure 4 At least antenna 420 and transmitter 418.

[0817] As an embodiment, the second receiver 1502 includes the attached Figure 4 At least one of the antenna 420 or the receiver 418 or the multi-antenna reception processor 472 or the reception processor 470 or the controller / processor 475 or the memory 476.

[0818] As an embodiment, the second receiver 1502 includes the attached Figure 4 At least an antenna 420 and a receiver 418.

[0819] Embodiment 14

[0820] Embodiment 14 illustrates a schematic diagram of transmission of a first reference signal and a target reference signal according to an embodiment of the present application. Fig.14 In the example, the second node sends a first reference signal and a target reference signal; the target reference signal is reflected by a third node, and the first reference signal is not reflected by the third node. It is particularly noted that the first reference signal and the target reference signal in this example are only one possible implementation form of the present application, and other implementation forms of the first reference signal and the target reference signal are not limited.

[0821] As an embodiment, the third node is a RIS.

[0822] As an embodiment, the third node is a reflection surface.

[0823] As an embodiment, the third node is passive.

[0824] As an embodiment, the third node is active.

[0825] As an embodiment, if a reference signal is reflected by a third node, the third node does not modulate or demodulate the first reference signal.

[0826] As an embodiment, if a reference signal is reflected by a third node, the third node does not process the first reference signal.

[0827] As an embodiment, if a reference signal is reflected by a third node, the third node is unaware of the reflection of the first reference signal.

[0828] As an embodiment, if a reference signal is reflected by a third node, the third node is passive to the reflection of the first reference signal.

[0829] As an embodiment, a reference signal being reflected by a third node means that: a transmission path of the reference signal passes through the third node.

[0830] As an embodiment, a reference signal being reflected by a third node means that a transmission path of the reference signal is changed by the third node.

[0831] As an embodiment, a reference signal not being reflected by a third node means that: a transmission path of the reference signal does not pass through the third node.

[0832] As an embodiment, a reference signal not being reflected by a third node means that a transmission path of the reference signal is not changed by the third node.

[0833] As an embodiment, the first area is an area covered by the third node.

[0834] As an embodiment, the first area is an area covered by multiple nodes; and the third node is one of the multiple nodes.

[0835] As an embodiment, the first area is an area served by the third node.

[0836] As an embodiment, the first area is an area served by multiple nodes; the third node is one of the multiple nodes.

[0837] As an embodiment, the first area is an area covered by reflection from the third node.

[0838] As an embodiment, the first area is an area covered by reflections from multiple nodes; and the third node is one of the multiple nodes.

[0839] As an embodiment, the first type of reference signal is reflected by the third node.

[0840] As an embodiment, the first type of reference signal is reflected by multiple nodes; and the third node is one of the multiple nodes.

[0841] As an embodiment, the second reference signal is reflected by the third node.

[0842] As an embodiment, the above method is beneficial for enhancing coverage.

[0843] As an embodiment, the above method is beneficial to reduce coverage holes through RIS.

[0844] As an embodiment, the above method is beneficial for enhancing the coverage of coverage holes through RIS.

[0845] A person of ordinary skill in the art can understand that all or part of the steps in the above method can be completed by instructing the relevant hardware through a program, and the program can be stored in a computer-readable storage medium, such as a read-only memory, a hard disk or an optical disk. Optionally, all or part of the steps in the above embodiment can also be implemented using one or more integrated circuits. Accordingly, each module unit in the above embodiment can be implemented in the form of hardware or in the form of a software function module, and the present application is not limited to any specific form of software and hardware combination. The user equipment, terminal and UE in the present application include but are not limited to drones, communication modules on drones, remote-controlled aircraft, aircraft, small aircraft, mobile phones, tablet computers, notebooks, vehicle-mounted communication equipment, wireless sensors, Internet cards, Internet of Things terminals, RFID terminals, NB-IOT terminals, MTC (Machine Type Communication, Machine Type Communication) terminals, eMTC (enhanced MTC, enhanced MTC) terminals, data cards, Internet cards, vehicle-mounted communication equipment, low-cost mobile phones, low-cost tablet computers and other wireless communication devices. The base stations or system devices in this application include but are not limited to macrocell base stations, microcell base stations, home base stations, relay base stations, gNB (NR Node B) NR Node B, TRP (Transmitter Receiver Point) and other wireless communication devices.

[0846] The above is only a preferred embodiment of the present application and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A first node used for wireless communication, characterized in that: include: A first receiver receives a first message, wherein the first message configures a first reference signal and a target reference signal; A first transmitter, after the first message is received, sends a second message; The second message indicates a QCL relationship between the target reference signal and the first reference signal.

2. The first node according to claim 1, characterized in that: The second message indicating the QCL relationship between the target reference signal and the first reference signal means that the second message indicates that the target reference signal and the first reference signal are QCL.

3. The first node according to claim 1 or 2, characterized in that: The first message configures a plurality of reference signals, and the first reference signal is one of the plurality of reference signals; the second message indicates from the plurality of reference signals that the target reference signal and the first reference signal are QCL.

4. The first node according to claim 3, characterized in that: The second message indicates, from among the plurality of reference signals, that the target reference signal and the first reference signal are QCLs dependent on a location of the first node and a first area.

5. The first node according to claim 1, characterized in that: The second message indicating the QCL relationship between the target reference signal and the first reference signal means that the second message indicates that the target reference signal and the first reference signal are not QCL.

6. The first node according to claim 5, characterized in that: include: The first receiver receives a third message in response to the second message being sent; The third message indicates that the target reference signal and the second reference signal are QCL.

7. The first node according to any one of claims 1 to 6, characterized in that: The second message indicates QCL types of the target reference signal and the first reference signal.

8. The first node according to any one of claims 1 to 7, characterized in that: include: A first processor sends or receives the first reference signal; A second processor sends or receives the target reference signal; The sending or receiving of the target reference signal depends on the QCL relationship between the target reference signal and the first reference signal.

9. A method in a first node for wireless communication, characterized in that: include: receiving a first message, wherein the first message configures a first reference signal and a target reference signal; After the first message is received, sending a second message; The second message indicates a QCL relationship between the target reference signal and the first reference signal.

10. A second node used for wireless communication, characterized in that: include: A second transmitter sends a first message, wherein the first message configures a first reference signal and a target reference signal; a second receiver, receiving a second message after the first message is sent; The second message indicates a QCL relationship between the target reference signal and the first reference signal.

11. A method in a second node for wireless communication, characterized in that: include: Sending a first message, wherein the first message configures a first reference signal and a target reference signal; After the first message is sent, receiving a second message; The second message indicates a QCL relationship between the target reference signal and the first reference signal.

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