Method and apparatus for repeater

Abstract

The embodiment of the invention relates to a method and equipment for a repeater. In accordance with some embodiments of the present disclosure, a network node may include a transceiver configured to receive configuration information for a set of reference signals (RSs); a processor coupled to the transceiver and configured to determine at least one of a power gain, a beam identification (ID), a transmission configuration indicator (TCI) state ID, or a quasi-co-location (QCL) type D property for each RS in the set of RSs; wherein the transceiver is further configured to transmit the set of RSs based on the determined at least one of the power gain, the beam ID, the TCI state ID, or the QCL type D property for each RS.

Description

Technical Field

[0001] The present disclosure relates generally to wireless communication techniques, and more particularly, to methods and apparatus for repeaters. Background Art

[0002] Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, broadcasts, etc. Wireless communication systems may employ multiple access technologies capable of supporting communication with multiple users by sharing available system resources such as time, frequency, and power. Examples of wireless communication systems may include fourth generation (4G) systems such as long term evolution (LTE) systems, LTE-Advanced (LTE-A) systems, or LTE-A Pro systems, and fifth generation (5G) systems, which may also be referred to as new radio (NR) systems.

[0003] To enhance the coverage of a BS, relay nodes (e.g., repeaters) may be deployed in a wireless communication system, which may improve the signal quality of a mobile device (e.g., a UE located in a coverage hole or far from a BS) under certain conditions. An NC repeater (also known as an intelligent repeater) is enhanced over a conventional repeater in terms of its ability to receive and process side control information from the network. Side control information may allow an NC repeater to perform its amplification and forwarding operations in a more efficient manner. Potential benefits may include mitigating unnecessary noise amplification, transmitting and receiving with better spatial directivity, and simplifying network integration. However, the operational details of the repeater (e.g., power gain determination, beam determination, side control information determination, and other parameters) are expected to improve the throughput of the wireless communication system. Summary of the invention

[0004] Some embodiments of the present disclosure provide a network node. The network node may include: a transceiver configured to receive configuration information of a set of reference signals (RSs); a processor coupled to the transceiver and configured to determine at least one of a power gain, a beam identification (ID), a transmission configuration indicator (TCI) state ID, or a quasi-co-location (QCL) type D property of each RS in the set of RSs; wherein the transceiver is further configured to transmit the set of RSs based on the determined at least one of the power gain, the beam ID, or the TCI state ID of each RS.

[0005] In some embodiments of the present disclosure, the set of RSs is used for at least one of the following: power gain measurement or beam measurement.

[0006] In some embodiments of the present disclosure, the configuration information indicates at least one of the power gain, the beam ID, the TCI state ID, or the QCL type D property of each RS in the group of RSs.

[0007] In some embodiments of the present disclosure, the configuration information indicates a first number of beam IDs associated with the group of RSs and a second number of power gains, or a first number of TCI state IDs associated with the group of RSs and a second number of power gains, or a first number of QCL type D properties associated with the group of RSs and a second number of power gains.

[0008] In some embodiments of the present disclosure, the configuration information indicates a mapping order between the group of RSs and the first number of beam IDs and the second number of power gains, or between the group of RSs and the first number of TCI state IDs and the second number of power gains, or between the group of RSs and the first number of QCL type D properties and the second number of power gains; or predefines a mapping order between the group of RSs and the first number of beam IDs and the second number of power gains, or between the group of RSs and the first number of TCI state IDs and the second number of power gains, or between the group of RSs and the first number of QCL type D properties and the second number of power gains.

[0009] In some embodiments of the present disclosure, the RS in the set of RSs is one of the following: a sounding reference signal (SRS), a synchronization signal block (SSB), or a channel state information reference signal (CSI-RS).

[0010] In some embodiments of the present disclosure, the transceiver is further configured to receive indication information including at least one indication, wherein each indication indicates at least one of the following: power gain, beam ID, TCI state ID, or QCL type D property.

[0011] In some embodiments of the present disclosure, each indication indicates an index of the RS, wherein the index of the RS is associated with at least one of: power gain, beam ID, TCI state ID, or QCL type D property.

[0012] In some embodiments of the present disclosure, the indication information is periodic indication information, and the transceiver is further configured to receive at least one of a periodicity, an offset, a duration, and a time interval index of the indication information.

[0013] In some embodiments of the present disclosure, the indication information is non-periodic indication information, and the transceiver is further configured to receive at least one of an application time or a duration of the indication information.

[0014] In some embodiments of the present disclosure, the transceiver is further configured to receive a mapping relationship between at least one power gain indicated by the indication information and at least one beam ID or at least one TCI state ID or at least one QCL type D property, and the processor is further configured to determine the power gain of a time interval based on the beam ID or TCI state ID or QCL type D property corresponding to the power gain.

[0015] In some embodiments of the present disclosure, the at least one indication is used for DL ​​and UL separately or used for DL ​​and UL together.

[0016] In some embodiments of the present disclosure, the indication information is received in a group common downlink control information (DCI) or a medium access control (MAC) control element (CE).

[0017] In some embodiments of the present disclosure, the processor is further configured to determine a default power gain for a time interval when a power gain is not indicated for the time interval.

[0018] Some embodiments of the present disclosure provide a base station (BS). The BS may include a transceiver configured to: transmit configuration information of a set of RSs; transmit the set of RSs or receive the set of reference signals.

[0019] In some embodiments of the present disclosure, the set of RSs is used for at least one of the following: power gain measurement or beam measurement.

[0020] In some embodiments of the present disclosure, the configuration information indicates at least one of a power gain, a beam ID, a TCI state ID, or a QCL type D property of each RS in the group of RSs.

[0021] In some embodiments of the present disclosure, the configuration information indicates a first number of beam IDs associated with the group of RSs and a second number of power gains, or a first number of TCI state IDs associated with the group of RSs and a second number of power gains, or a first number of QCL type D properties associated with the group of RSs and a second number of power gains.

[0022] In some embodiments of the present disclosure, the configuration information indicates a mapping order between the group of RSs and the first number of beam IDs and the second number of power gains, or between the group of RSs and the first number of TCI state IDs and the second number of power gains, or between the group of RSs and the first number of QCL type D properties and the second number of power gains.

[0023] In some embodiments of the present disclosure, the RS in the group of RSs is one of the following: SRS, SSB or CSI-RS.

[0024] In some embodiments of the present disclosure, the transceiver is further configured to transmit indication information including at least one indication, wherein each indication indicates at least one of the following: power gain, beam ID, TCI state ID, or QCL type D property.

[0025] In some embodiments of the present disclosure, each indication indicates an index of the RS, wherein the index of the RS is associated with at least one of: power gain, beam ID, TCI state ID, or QCL type D property.

[0026] In some embodiments of the present disclosure, the indication information is periodic indication information, and the transceiver is further configured to transmit at least one of a periodicity, an offset, a duration, and a time interval index of the indication information.

[0027] In some embodiments of the present disclosure, the indication information is non-periodic indication information, and the transceiver is further configured to transmit at least one of an application time or a duration of the indication information.

[0028] In some embodiments of the present disclosure, the transceiver is further configured to transmit a mapping relationship between at least one power gain indicated by the indication information and at least one beam ID or at least one TCI state ID or at least one QCL type D property, and the processor is further configured to determine the power gain of a time interval based on the beam ID or TCI state ID or QCL type D property corresponding to the power gain.

[0029] In some embodiments of the present disclosure, the at least one indication is used for DL ​​and UL separately or used for DL ​​and UL together.

[0030] In some embodiments of the present disclosure, the indication information is transmitted in a group common DCI or MAC CE.

[0031] In some embodiments of the present disclosure, the processor is further configured to determine a default power gain for a time interval when a power gain is not indicated for the time interval.

[0032] Some embodiments of the present disclosure provide a network node. The network node may include: a transceiver configured to receive control information, the control information including at least one of the following: a switch configuration indicating a switch state of each time interval in at least one time interval; a TDD configuration indicating DL, UL or flexibility of each time interval in at least one time interval; one or more beam-related indications, wherein each beam-related indication indicates a beam ID of a corresponding time interval in at least one time interval; one or more TCI state-related indications, wherein each TCI state-related indication indicates a TCI state ID of a corresponding time interval in at least one time interval; one or more quasi-co-location (QCL) type D property-related indications, wherein each QCL type D property-related indication indicates a QCL type D property of a corresponding time interval in at least one time interval; one or more power gain indications, wherein each power gain indication indicates a power gain of a corresponding time interval in at least one time interval; and a processor coupled to the transceiver and configured to determine at least one of the TDD configuration, switch state, beam ID, TCI state ID, QCL type D property or power gain of the time interval based on the control information.

[0033] In some embodiments of the present disclosure, when the switch configuration is included in the control information, the processor is configured to determine that the time interval is in the closed state in response to at least one of the TDD configuration indicating the flexibility of the time interval or the switch configuration indicating the closed state of the time interval; or when the switch configuration is not included in the control information, the processor is configured to determine that the time interval is in the closed state in response to at least one of the TDD configuration indicating the flexibility of the time interval, the beam-related indication indicating a predefined beam ID of the time interval, the TCI state-related indication indicating a predefined TCI state ID, the QCL type D property-related indication indicating a predefined QCL type D property, or the power gain indication indicating a predefined power gain of the time interval.

[0034] In some embodiments of the present disclosure, a beam-related indication or a TCI state-related indication or a QCL type D property-related indication is associated with a priority.

[0035] In some embodiments of the present disclosure, the priority is explicitly configured in the control information.

[0036] In some embodiments of the present disclosure, the priority is determined based on at least one of: the scrambling ID of the physical downlink channel, the radio network temporary identifier (RNTI) of the physical downlink channel, or whether the beam-related indication or the TCI state-related indication or the QCL type D property-related indication is periodic or non-periodic.

[0037] In some embodiments of the present disclosure, when the control information includes more than one beam-related indication or more than one TCI state-related indication or more than one QCL type D property-related indication of the time interval, the processor is further configured to determine the beam-related indication or TCI state-related indication, QCL type D property-related indication with the highest priority from the more than one beam-related indication or more than one TCI state-related indication or more than one QCL type D property-related indication of the time interval.

[0038] In some embodiments of the present disclosure, the power gain indication is associated with a priority.

[0039] In some embodiments of the present disclosure, the priority is explicitly configured in the control information.

[0040] In some embodiments of the present disclosure, the priority associated with the power gain indication is determined based on at least one of: a scrambling ID of a physical downlink channel, a RNTI of a physical downlink channel, or whether the power gain indication is periodic or aperiodic.

[0041] In some embodiments of the present disclosure, if the control information includes more than one power gain indication for the time interval, the processor is further configured to determine a power gain indication with a highest priority from the more than one power gain indication for the time interval.

[0042] Some embodiments of the present disclosure provide a base station. The BS may include: a transceiver configured to transmit control information, the control information including at least one of the following: a switch configuration indicating a switch state of each time interval in at least one time interval; a time division duplex (TDD) configuration indicating DL, UL, or flexibility of each time interval in at least one time interval; one or more beam-related indications, wherein each beam-related indication indicates a beam ID of a corresponding time interval in at least one time interval; one or more TCI state-related indications, wherein each TCI state-related indication indicates a TCI state ID of a corresponding time interval in at least one time interval; one or more quasi-co-location (QCL) type D property-related indications, wherein each QCL type D property-related indication indicates a QCL type D property of a corresponding time interval in at least one time interval; one or more power gain indications, wherein each power gain indication indicates a power gain of a corresponding time interval in at least one time interval; and a processor coupled to the transceiver and configured to determine at least one of the TDD configuration, switch state, beam ID, TCI state ID, QCL type D property, or power gain of a time interval based on the control information.

[0043] In some embodiments of the present disclosure, when the switch configuration is included in the control information, the processor is further configured to determine that the time interval is in the closed state in response to the TDD configuration indicating the flexibility of the time interval or the switch configuration indicating the closed state of the time interval; or when the switch configuration is not included in the control information, the processor is further configured to determine that the time interval is in the closed state in response to at least one of the TDD configuration indicating the flexibility of the time interval, the beam-related indication indicating a predefined beam ID of the time interval, the TCI state-related indication indicating a predefined TCI state ID, the QCL type D property-related indication indicating a predefined QCL type D property, or the power gain indication indicating a predefined power gain of the time interval.

[0044] In some embodiments of the present disclosure, a beam-related indication or a TCI status-related indication or a predefined QCL Type D property is associated with a priority.

[0045] In some embodiments of the present disclosure, the priority is explicitly configured in the control information.

[0046] In some embodiments of the present disclosure, the priority is determined based on at least one of the following: the scrambling ID of the physical downlink channel, the RNTI of the physical downlink channel, or whether the beam-related indication or the TCI state-related indication or the QCL type D property-related indication is periodic or non-periodic.

[0047] In some embodiments of the present disclosure, when the control information includes more than one beam-related indication or more than one TCI state-related indication or more than one QCL type D property-related indication of the time interval, the processor is further configured to determine the beam-related indication or TCI state-related indication or QCL type D property-related indication having the highest priority from the more than one beam-related indication or more than one TCI state-related indication or more than one QCL type D property-related indication of the time interval.

[0048] In some embodiments of the present disclosure, the power gain indication is associated with a priority.

[0049] In some embodiments of the present disclosure, the priority is explicitly configured in the control information.

[0050] In some embodiments of the present disclosure, the priority associated with the power gain indication is determined based on at least one of: a scrambling ID of a physical downlink channel, a RNTI of a physical downlink channel, or whether the power gain indication is periodic or aperiodic.

[0051] In some embodiments of the present disclosure, if the control information includes more than one power gain indication for the time interval, the processor is further configured to determine a power gain indication with a highest priority from the more than one power gain indication for the time interval.

[0052] Some embodiments of the present disclosure provide a method performed by a network node. The method may include: receiving configuration information of a set of RSs; determining at least one of power gain, beam ID, TCI state ID, or QCL type D property of each RS in the set of RSs; and transmitting the set of RSs based on the determined at least one of the power gain, beam ID, TCI state ID, or QCL type D property of each RS.

[0053] Some embodiments of the present disclosure provide a method performed by a BS. The method may include: transmitting configuration information of a set of RSs; and transmitting the set of RSs or receiving the set of reference signals.

[0054] Some embodiments of the present disclosure provide a method performed by a network node. The method may include: receiving control information, the control information including at least one of the following: a switch configuration indicating a switch state of each time interval in at least one time interval; a TDD configuration indicating DL, UL or flexibility of each time interval in at least one time interval; one or more beam-related indications, wherein each beam-related indication indicates a beam ID of a corresponding time interval in at least one time interval; one or more TCI state-related indications, wherein the TCI state-related indication indicates a TCI state ID of a corresponding time interval in at least one time interval; one or more quasi-co-location (QCL) type D property-related indications, wherein each QCL type D property-related indication indicates a QCL type D property of a corresponding time interval in at least one time interval; one or more power gain indications, wherein each power gain indication indicates a power gain of a corresponding time interval in at least one time interval; and determining at least one of the TDD configuration, switch state, beam ID, TCI state ID, QCL type D property or power gain of the time interval based on the control information.

[0055] Some embodiments of the present disclosure provide a method performed by a BS. The method may include: transmitting control information, the control information including at least one of the following: a switch configuration indicating a switch state of each time interval in at least one time interval; a TDD configuration indicating DL, UL or flexibility of each time interval in at least one time interval; one or more beam-related indications, wherein each beam-related indication indicates a beam ID of a corresponding time interval in at least one time interval; one or more TCI state-related indications, wherein the TCI state-related indication indicates a TCI state ID of a corresponding time interval in at least one time interval; one or more quasi-co-location (QCL) type D property-related indications, wherein each QCL type D property-related indication indicates a QCL type D property of a corresponding time interval in at least one time interval; one or more power gain indications, wherein each power gain indication indicates a power gain of a corresponding time interval in at least one time interval; and determining at least one of the TDD configuration, switch state, beam ID, TCI state ID, QCL type D property or power gain of the time interval based on the control information.

[0056] Some embodiments of the present disclosure provide a device. According to some embodiments of the present disclosure, the device may include: at least one non-transitory computer-readable medium having computer-executable instructions stored thereon; at least one receiving circuit system; at least one transmitting circuit system; and at least one processor, which is coupled to the at least one non-transitory computer-readable medium, the at least one receiving circuit system, and the at least one transmitting circuit system, wherein the at least one non-transitory computer-readable medium and the computer-executable instructions may be configured to cause the device to perform the method according to some embodiments of the present disclosure with the at least one processor. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] To describe the manner in which the advantages and features of the present disclosure can be obtained, the description of the present disclosure is presented by reference to specific embodiments of the present disclosure illustrated in the accompanying drawings. These drawings depict only exemplary embodiments of the present disclosure and therefore should not be considered to limit its scope.

[0058] Figure 1 is a schematic diagram illustrating an exemplary wireless communication system according to some embodiments of the present application;

[0059] Figure 2 An exemplary wireless communication system with a repeater according to some embodiments of the present application is described;

[0060] Figure 3 is a flow chart illustrating an exemplary method for determining at least one of a power gain or a beam of a repeater according to some embodiments of the present disclosure;

[0061] Figure 4 is an exemplary method for indicating power gain in embodiment 1 of the present disclosure;

[0062] Figure 5 is an exemplary method for determining the power gain and beam ID of each RS in embodiment 2 of the present disclosure;

[0063] Figure 6 is a flow chart illustrating an exemplary method for determining at least one of a power gain or a beam of a repeater according to some other embodiments of the present disclosure;

[0064] Figure 7 is a flow chart illustrating an exemplary method for indicating at least one of a power gain and a beam of a repeater according to some embodiments of the present disclosure;

[0065] Figure 8 is an exemplary method for determining power gain for a duration according to some embodiments of the present disclosure;

[0066] Fig. 9 is an exemplary method for determining power gain for a duration according to some other embodiments of the present disclosure;

[0067] Fig.10 is an exemplary method for determining power gain for a duration according to some other embodiments of the present disclosure;

[0068] Fig.11 is a flow chart illustrating an exemplary method for determining control information according to some embodiments of the present disclosure;

[0069] Fig.12 is an exemplary method for determining control information according to some embodiments of the present disclosure;

[0070] Fig.13 is an exemplary method for determining control information according to some other embodiments of the present disclosure; and

[0071] Fig.14 A simplified block diagram illustrating an exemplary device for a repeater according to some embodiments of the present disclosure. DETAILED DESCRIPTION

[0072] The detailed description of the drawings is intended as a description of the preferred embodiments of the present disclosure and is not intended to represent the only form in which the present disclosure can be practiced. It should be understood that the same or equivalent functions can be achieved by different embodiments that are intended to be encompassed within the spirit and scope of the present disclosure.

[0073] Reference will now be made in detail to some embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings. To facilitate understanding, embodiments are provided under specific network architectures and new service scenarios (e.g., 3rd Generation Partnership Project (3GPP) 5G (NR), 3GPP Long Term Evolution (LTE), etc.). It is contemplated that, as network architectures and new service scenarios evolve, all embodiments in the present disclosure are also applicable to similar technical issues; and in addition, the terms listed in the present disclosure may be changed, which should not affect the principles of the present disclosure.

[0074] Figure 1 A schematic diagram illustrating an exemplary wireless communication system 100 in accordance with some embodiments of the present application.

[0075] like Figure 1 As shown in FIG. 1 , wireless communication system 100 includes UE 103 and BS 101. Although shown in FIG. 1 for simplicity, Figure 1 Although only one BS is illustrated in FIG. 1 , it is contemplated that in some other embodiments of the present application, the wireless communication system 100 may include more BSs. Figure 1 Only one UE is illustrated in FIG. 1 , but it is contemplated that in some other embodiments of the present application, the wireless communication system 100 may include more UEs.

[0076] The wireless communication system 100 is compatible with any type of network capable of sending and receiving wireless communication signals. For example, the wireless communication system 100 is compatible with wireless communication networks, cellular telephone networks, networks based on time division multiple access (TDMA), networks based on code division multiple access (CDMA), networks based on orthogonal frequency division multiple access (OFDMA), LTE networks, networks based on 3GPP, 3GPP5G networks, satellite communication networks, high altitude platform networks, and / or other communication networks.

[0077] BS 101 may also be referred to as an access point, access terminal, base, macro cell, Node-B, enhanced Node B (eNB), gNB, home Node-B, relay node or device or described using other terms used in the art. BS 102 is generally part of a radio access network that may include a controller communicatively coupled to BS 101.

[0078] UE 103 may include a computing device, such as a desktop computer, a laptop computer, a personal digital assistant (PDA), a tablet computer, a smart TV (such as a TV connected to the Internet), a set-top box, a game console, a security system (including a security camera), a car computer, a network device (such as a router, a switch and a modem), or the like. According to an embodiment of the present application, UE 103 may include a portable wireless communication device, a smart phone, a cellular phone, a flip phone, a device with a user identification module, a personal computer, a selective call receiver, or any other device capable of sending and receiving communication signals on a wireless network. In some embodiments of the present application, UE 103 may include a wearable device, such as a smart watch, a fitness bracelet, an optical head-mounted display, or the like. In addition, UE 103 may be referred to as a subscriber unit, a mobile device, a mobile station, a user, a terminal, a mobile terminal, a wireless terminal, a fixed terminal, a subscriber station, a user terminal or a device, or described using other terms used in the art.

[0079] To enhance the coverage area of ​​a BS, relay nodes (eg, repeaters) may be deployed in a wireless communication system, which may improve the throughput of mobile devices with low signal quality (eg, UEs located in coverage holes or far away from the BS).

[0080] Figure 2 An exemplary wireless communication system with a repeater according to some embodiments of the present application is described.

[0081] refer to Figure 2 In the exemplary wireless communication system 200, there are multiple nodes, such as BS201, a first repeater 203a, a second repeater 203b, a first UE 205a, a second UE 205b, a third UE 205c, and a fourth UE 205d. The first repeater 203a is connected to the BS201 and the first UE 205a, and the second repeater 203b is connected to the BS201 and the second UE 205b and the third UE 205c. The link between the BS201 and the repeater (such as the first repeater 203a or the second repeater 203b) may be referred to as a BS-repeater link (or a backhaul link), the link between the repeater (such as the first repeater 203a) and the UE (such as the first UE 205a) may be referred to as a repeater-UE link (or an access link); and the link between the BS201 and the UE (such as the fourth UE 205d) may be referred to as a BS-UE link.

[0082] It should be well known to those skilled in the art that each BS (e.g., BS 201) can be connected to one or more relays (e.g., first relay 203a and second relay 203b) and one or more UEs (e.g., first UE 205a, second UE 205b, third UE 205c, and fourth UE 205d); and each relay (e.g., first relay 203a and second relay 203b) can be connected to one or more BSs and one or more UEs. Therefore, the exemplary nodes in the wireless communication system 200 with a limited number should not be considered to limit the present application.

[0083] According to RP-213592, intelligent repeaters (also called NC repeaters) that are transparent to UEs will be studied and identified. NC repeaters can simultaneously maintain BS-repeater links and repeater-UE links and are enhanced over conventional repeaters in their ability to receive and process side control information from the network. Side control information can allow NC repeaters to perform their amplification and forwarding operations in a more efficient manner.

[0084] In some cases, the power gain of the NC repeater can be adjusted for interference management. Next, it is necessary to solve how to determine and indicate the power gain of the NC repeater. In some instances, the power gain can be used for DL ​​RS (or channel) forwarding or UL channel (or RS) forwarding. In some other instances, the power gain is at the repeater and it can be used for access link or for backhaul link. In some instances, the power gain may be the amplification gain at the repeater of the DL (or UL) channel (or RS). In some instances, the power gain may be a power value or at the repeater of the DL (or UL) channel (or RS).

[0085] In some cases, the NC relay may be configured with multiple beams for DL ​​forwarding or UL forwarding. Next, it is necessary to solve how to determine and indicate the beam for DL ​​forwarding or UL forwarding.

[0086] In some cases, there may be multiple side control information configured for the NC repeater, for example, the side control information may include at least one of the following: TDD configuration, switch configuration, one or more beam-related indications (or multiple TCI-related indications), or one or more power gain-related indications. Then, it is necessary to solve how to determine the side control information applied to the time interval.

[0087] In view of the above, embodiments of the present disclosure provide an enhanced solution for a repeater (e.g., an NC repeater). For example, embodiments of the present disclosure provide a solution for determining (or indicating) at least one of a power gain or a beam of a repeater and a solution for determining side control information of a repeater. The enhanced solution in the embodiments of the present disclosure can at least solve the above technical problems. More details about the embodiments of the present disclosure will be described below in conjunction with the accompanying drawings.

[0088] Figure 3 is a flow chart of an exemplary method 300 for determining at least one of a power gain or a beam of a repeater according to some embodiments of the present disclosure. Figure 3 The method in the embodiment can be implemented by a network node (e.g. a relay (e.g. Figure 2 The repeater 203a or 203b) or other network nodes with similar functions) is implemented. Figure 3 In some embodiments, the repeater may be an NC repeater or an intelligent repeater. In some other embodiments, the repeater may be any other repeater.

[0089] exist Figure 3 In the exemplary method shown, in step 301, the network node may receive a signal from a BS (eg, Figure 1 BS101 or Figure 2 BS201 in the receiving device receives configuration information of a group of RSs. In step 303, the network node may determine at least one of the power gain, beam ID, or TCI state ID of each RS in the RS group. In step 305, the network node may transmit the RS group based on the determined at least one of the power gain, beam ID, or TCI state ID of each RS. The specific operations in each step may be described in the following embodiments.

[0090] Embodiment 1

[0091] In embodiment I, the RS group may be used for power gain measurement of a network node.

[0092] According to some embodiments of the present application, the RS group may be a DL RS group. For example, the DL RS may be one of an SSB and a CSI-RS. In such embodiments, the configuration information of the DL RS group in step 301 may indicate a set of DL resources (e.g., time and frequency resources) of the DL RS group, wherein each DL resource in the DL resource group is used to transmit or receive a corresponding DL RS in the DL RS group. Each DL RS (or each DL resource) may be associated with a power gain for DL ​​forwarding. Each DL RS may be associated with a beam ID for an access link. Different DL RSs (or DL ​​resources) may be associated with the same beam ID or different beam IDs for an access link.

[0093] In Embodiment 1, only the power gain of the DL RS group may be scanned. The beam ID may be determined by measuring other DL RSs.

[0094] In embodiment 1, the network node may determine the power gain of each DL RS in the DL RS group in step 303. The power gain may be determined based on the method in the following embodiment.

[0095] In some embodiments, the power gain of each DL RS is explicitly configured from the BS to the network node. In such embodiments, the configuration information may indicate the power gain of each DL RS in the DL RS group. The network node may determine the power gain of each DL RS in the DL RS group based on the indication.

[0096] In such an embodiment, the network node may receive a DL RS set from the BS. Then, in step 305, the network node may transmit each DL RS in the DL RS set to the UE (eg, Figure 1 UE 103 or Figure 2 For the UE, the DL RS group may have the same purpose as the traditional one of remaining transparent, for example, the DL RS group may be used for at least one of: reference signal received power (RSRP) measurement, reference signal received quality (RSRQ) measurement, or received signal strength indicator (RSSI) measurement.

[0097] In some cases, based on measurements and reports about the DL RS group from the UE, the BS may determine at least one power gain suitable for the network node. The BS may then transmit an indication indicating the at least one power gain to the network node. Thus, the network node may receive an indication indicating the at least one power gain from the BS.

[0098] In some other embodiments, the power gain of each DL RS is determined by the network node itself. In such embodiments, the network node may receive the DL RS set from the BS. Then, in step 305, the network node may transmit each DL RS in the DL RS set to the UE (e.g., Figure 1 UE 103 or Figure 2 UE205a, 205b or UE 205c).

[0099] In some cases, based on measurements and reports about the DL RS group from the UE, the BS may determine an index of at least one DL RS (or at least one DL resource of at least one DL RS) suitable for the network node. The index of the DL RS is associated with a determined or selected power gain at the network node. The association between the index of the DL RS and the power gain may be determined by the implementation of the network node. Then, the BS may transmit an indication to the network node, which may include an index of each DL RS in at least one DL RS (or an index of each DL resource in at least one DL resource). Thus, the network node may receive the indication. Based on the index of each DL RS (or the index of each DL resource), the network node may determine the corresponding power gain associated with the index of each DL RS (or the index of each DL resource).

[0100] According to some embodiments of the present application, the RS group may be a UL RS group. For example, the UL RS may be an SRS. In such embodiments, the configuration information of the DL RS group in step 301 may indicate a set of UL resources (e.g., time and frequency resources) of the UL RS group, wherein each UL resource in the UL resource group is used to transmit a corresponding UL RS in the UL RS group. Each UL RS (or each UL resource) may be associated with a power gain for UL forwarding and with a beam ID for UL forwarding. The beam ID may be used for an access link or for a backhaul link. Different UL RSs (or UL resources) may be associated with the same beam ID or different beam IDs for UL forwarding.

[0101] In Embodiment 1, only the power gain of the UL RS group may be scanned. The beam ID may be determined by measuring other UL RSs.

[0102] In embodiment 1, the network node may determine the power gain of each UL RS in the UL RS group in step 303. The power gain may be determined based on the method in the following embodiment.

[0103] In some embodiments, the power gain of each UL RS is explicitly configured from the BS to the network node. In such embodiments, the configuration information may indicate the power gain of each UL RS in the UL RS group. The network node may determine the power gain of each UL RS in the UL RS group based on the indication.

[0104] In such an embodiment, the network node may receive a UL RS set from the UE. For the UE, the UL RS set may have the same purpose as the traditional one of maintaining transparency. Then, in step 305, the network node may transmit each UL RS in the UL RS set to the BS based on the determined power gain of each UL RS in the UL RS set.

[0105] In some cases, based on the measurement of the UL RS set, the BS may determine at least one power gain suitable for the network node to perform UL forwarding. Then, the BS may transmit an indication indicating the at least one power gain to the network node. Thus, the network node may receive an indication indicating the at least one power gain from the BS.

[0106] In some other embodiments, the power gain of each UL RS is determined by the network node itself. In such embodiments, the network node may receive the UL RS group from the UE. There will be a correlation between the index of the UL RS and the determined power gain. Then, in step 305, the network node may transmit each UL RS in the UL RS group to the BS based on the determined power gain of each UL RS in the UL RS group.

[0107] In some cases, based on the measurement of the UL RS group, the BS may determine the index of at least one UL RS suitable for the network node (or at least one UL resource of at least one UL RS). The index of the UL RS is associated with a determined or selected power gain at the network node. The association between the index of the UL RS and the power gain may be determined by the implementation of the network node. Then, the BS may transmit an indication to the network node, which may include the index of each UL RS in the at least one UL RS (or the index of each UL resource in the at least one UL resource). Thus, the network node may receive the indication. Based on the index of each UL RS (or the index of each UL resource), the network node may determine the corresponding power gain associated with the index of each UL RS (or the index of each UL resource) to perform UL forwarding (e.g., transmitting the UL transmission to the BS).

[0108] Figure 4 is an exemplary method for indicating power gain in Embodiment 1 of the present disclosure. Figure 4 , assuming that the RS group includes six RSs, for example, denoted as RS#0, RS#1, RS#2, RS#3, RS#4, and RS#5. The BS may transmit an indication to the network node. The indication may indicate: the power gain of RS#0 (denoted as P#0), the power gain of RS#1 (denoted as P#1), the power gain of RS#2 (denoted as P#2), the power gain of RS#3 (denoted as P#3), the power gain of RS#4 (denoted as P#4), and the power gain of RS#5 (denoted as P#5).

[0109] Example II

[0110] In Embodiment II, the RS group may be used for power gain measurement and beam measurement of a network node.

[0111] According to some embodiments of the present application, the RS group may be a group of DL RSs. All definitions of the DL RS group in Embodiment 1 are applicable here.

[0112] In embodiment II, each DL RS (or each DL resource) may be associated with a power gain and a beam ID (or TCI state ID or QCL type D property) for DL ​​forwarding. Therefore, both the beam ID (or TCI state ID or QCL type D property) and the power gain may be scanned for the DL RS group.

[0113] In embodiment II, the network node may determine the power gain and beam ID (or TCI state ID or QCL type D property) of each DL RS in the DL RS group in step 303. The power gain and beam ID (or TCI state ID or QCL type D property) may be determined based on the method in the following embodiments.

[0114] In some embodiments, the power gain and beam ID (or TCI state ID or QCL type D property) of each DL RS are explicitly configured from the BS to the network node. In such embodiments, the configuration information may indicate the power gain and beam ID (or TCI state ID or QCL type D property) of each DL RS in the DL RS group. The network node may determine the power gain and beam ID (or TCI state ID or QCL type D property) of each DL RS in the DL RS group based on the indication.

[0115] In such an embodiment, the network node may receive a DL RS set from the BS. Then, in step 305, the network node may transmit each DL RS in the DL RS set to the UE (e.g., Figure 1 UE 103 or Figure 2 For the UE, the DL RS group may have the same purpose as the conventional one of remaining transparent, for example, the DL RS group may be used for at least one of: RSRP measurement, RSRQ measurement or RSSI measurement.

[0116] In some cases, based on measurements and reports about DL RS groups from UEs, the BS may determine at least one set of power gain and beam ID (or TCI state ID or QCL type D property) suitable for the network node. Then, the BS may transmit an indication indicating at least one set of power gain and beam ID (or TCI state ID or QCL type D property) to the network node. Thus, the network node may receive an indication indicating at least one set of power gain and beam ID (or TCI state ID or QCL type D property) from the BS.

[0117] In some other embodiments, the power gain and beam ID (or TCI state ID or QCL type D property) of each DL RS is determined by a network node.

[0118] In an embodiment, the network node itself may determine the power gain and beam ID (or TCI state ID or QCL type D properties) of each DL RS.

[0119] In another embodiment, the configuration information in step 301 may further indicate a first number of beam IDs (or TCI state IDs or QCL type D properties) and a second number of power gains associated with the DL RS group. In some cases, the configuration information also indicates a mapping order between the DL RS group and the first number of beam IDs (or TCI state IDs or QCL type D properties) and the second number of power gains. In some other cases, the mapping order between the DL RS group and the first number of beam IDs (or TCI state IDs or QCL type D properties) and the second number of power gains may be predefined. Based on the mapping order, the UE may determine which power gain and beam ID (or TCI state ID or QCL type D property) is associated with each DL RS. For example, the mapping order may indicate scanning the beam first and then scanning the power gain second or scanning the power gain first and then scanning the beam second. Examples for determining the power gain and beam ID of each RS may refer to Figure 5 .exist Figure 5 In the example, there are 3 beams and 2 power gains, and the mapping order is power gain first and then beam index. Therefore, RS#0 is associated with beam#0 and power gain#0, RS#2 is associated with beam#1 and power gain#0, RS#3 is associated with beam#1 and power gain#1, and so on.

[0120] In such an embodiment, the network node may receive a DL RS set from the BS. Then, in step 305, the network node may transmit each DL RS in the DL RS set to the UE (e.g., Figure 1 UE 103 or Figure 2 UE 205a, 205b or UE 205c).

[0121] In some cases, based on measurements and reports about the DL RS group from the UE, the BS may determine an index of at least one DL RS (or at least one DL resource of at least one DL RS) suitable for the network node. The index of the DL RS is associated with a determined or selected power gain and a determined or selected beam ID (or TCI state ID or QCL type D property) at the network node. The association between the index of the DL RS and the power gain and beam ID (or TCI state ID or QCL type D property) may be determined by the implementation of the network node. Then, the BS may transmit an indication to the network node, which may include an index of each DL RS in at least one DL RS (or an index of each DL resource in at least one DL resource). Thus, the network node may receive the indication. Based on the index of each DL RS (or the index of each DL resource), the network node may determine the corresponding power gain and the corresponding beam ID (or TCI state ID or QCL type D property) associated with the index of each DL RS (or the index of each DL resource).

[0122] According to some embodiments of the present application, the RS group may be a group of UL RSs. All definitions of the UL RS group in Embodiment 1 are applicable here.

[0123] In embodiment II, each UL RS (or each UL resource) may be associated with a power gain and a beam ID (or TCI state ID or QCL type D property) for UL forwarding. Therefore, both the beam ID (or TCI state ID or QCL type D property) and the power gain may be scanned for the UL RS group.

[0124] In embodiment II, the network node may determine the power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS in the UL RS group in step 303. The power gain and beam ID (or TCI state ID or QCL type D property) may be determined based on the method in the following embodiments.

[0125] In some embodiments, the power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS are explicitly configured from the BS to the network node. In such embodiments, the configuration information may indicate the power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS in the UL RS group. The network node may determine the power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS in the UL RS group based on the indication.

[0126] In such an embodiment, the network node may receive a UL RS set from the UE. Then, in step 305, the network node may transmit each UL RS in the UL RS set to the BS based on the determined power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS in the UL RS set. For the UE, the UL RS set may have the same purpose as the traditional one of maintaining transparency.

[0127] In some cases, based on the measurement of the UL RS group, the BS may determine at least one set of power gain and beam ID (or TCI state ID or QCL type D property) suitable for the network node. Then, the BS may transmit an indication indicating at least one set of power gain and beam ID (or TCI state ID or QCL type D property) to the network node. Thus, the network node may receive an indication indicating at least one set of power gain and beam ID (or TCI state ID or QCL type D property) from the BS.

[0128] In some other embodiments, the power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS is determined by a network node.

[0129] In an embodiment, the network node itself can determine the power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS. The network can maintain the association between the power gain, beam ID (or TCI state ID or QCL type D property) and the index of the UL RS for the following operations.

[0130] In another embodiment, the configuration information in step 301 may further indicate a first number of beam IDs (or TCI state IDs or QCL type D properties) and a second number of power gains associated with the UL RS group. In some cases, the configuration information also indicates a mapping order between the UL RS group and the first number of beam IDs (or TCI state IDs or QCL type D properties) and the second number of power gains. In some other cases, the mapping order between the UL RS group and the first number of beam IDs (or TCI state IDs or QCL type D properties) and the second number of power gains may be predefined. Based on the mapping order, the UE may determine which power gain and beam ID (or TCI state ID or QCL type D property) is associated with each UL RS. For example, the mapping order may indicate scanning the beam first and then scanning the power gain second or scanning the power gain first and then scanning the beam second. Examples for determining the power gain and beam ID of each RS may refer to Figure 5 .

[0131] In such an embodiment, the network node may receive a UL RS set from the UE. Then, in step 305, the network node may transmit each UL RS in the UL RS set to the BS based on the determined power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS in the UL RS set.

[0132] In some cases, based on the measurement of the UL RS group, the BS may determine the index of at least one UL RS (or at least one UL resource of at least one UL RS) suitable for the network node. The index of the UL RS is associated with the determined or selected power gain and the determined or selected beam ID (or TCI state ID or QCL type D property) at the network node. The association between the index of the UL RS and the power gain and the beam ID (or TCI state ID or QCL type D property) may be determined by the implementation of the network node. Then, the BS may transmit an indication to the network node, which may include the index of each UL RS in at least one UL RS (or the index of each UL resource in at least one UL resource). Thus, the network node may receive the indication. Based on the index of each UL RS (or the index of each UL resource), the network node may determine the corresponding power gain and beam ID (or TCI state ID or QCL type D property) associated with the index of each UL RS (or the index of each UL resource).

[0133] Figure 5 is an exemplary method for determining the power gain and beam ID of each RS in Embodiment 2 of the present disclosure. Figure 5 , assuming that the RS group includes six RSs, for example, represented by RS#0, RS#1, RS#2, RS#3, RS#4, and RS#5; the configuration information indicates two power gains (for example, represented as P#0 and P#1) and three beam IDs (for example, represented as b#0, b#1, and b#2) of the six RSs, and the mapping order is to first map (or scan) the power gain and then map (or scan) the beam. Then, the network node can determine P#0 and b#0 of RS#0, P#1 and b#0 of RS#1, P#0 and b#1 of RS#2, P#1 and b#1 of RS#3, P#0 and b#2 of RS#4, and P#1 and b#2 of RS#5.

[0134] Example III

[0135] In embodiment III, the RS group may be used for beam measurement of a network node.

[0136] According to some embodiments of the present application, the RS group may be a group of DL RSs. All definitions of the DL RS group in Embodiment 1 are applicable here.

[0137] In embodiment III, each DL RS (or each DL resource) may be associated with a beam ID (or TCI state ID or QCL type D property) for DL ​​forwarding. Therefore, only the beam ID (or TCI state ID or QCL type D property) of the DL RS group may be scanned.

[0138] In embodiment II, the network node may determine the beam ID (or TCI state ID or QCL type D property) of each DL RS in the DL RS group in step 303. The beam ID (or TCI state ID or QCL type D property) may be determined based on the method in the following embodiment.

[0139] In some embodiments, the beam ID (or TCI state ID or QCL type D property) of each DL RS is explicitly configured from the BS to the network node. In such embodiments, the configuration information may indicate the beam ID (or TCI state ID or QCL type D property) of each DL RS in the DL RS group. The network node may determine the beam ID (or TCI state ID or QCL type D property) of each DL RS in the DL RS group based on the indication.

[0140] In such an embodiment, the network node may receive a DL RS set from the BS. Then, in step 305, the network node may transmit each DL RS in the DL RS set to the UE (e.g., Figure 1 UE 103 or Figure 2 For the UE, the DL RS group may have the same purpose as the conventional one of remaining transparent, for example, the DL RS group may be used for at least one of: RSRP measurement, RSRQ measurement or RSSI measurement.

[0141] In some cases, based on measurements and reports about the DL RS group from the UE, the BS may determine at least one beam ID (or TCI state ID or QCL type D property) suitable for the network node. Then, the BS may transmit an indication indicating at least one beam ID (or TCI state ID or QCL type D property) to the network node. Thus, the network node may receive an indication indicating at least one beam ID (or TCI state ID or QCL type D property) from the BS.

[0142] In some other embodiments, the beam ID (or TCI state ID or QCL type D property) of each DL RS is determined by the network node. In such embodiments, the network node may receive the DL RS group from the BS. Then, in step 305, the network node may transmit each DL RS in the DL RS group to the UE (e.g., Figure 1 UE 103 or Figure 2 UE 205a, 205b or UE 205c).

[0143] In some cases, based on measurements and reports about DL RSs from UEs, the BS may determine an index of at least one DL RS (or at least one DL resource of at least one DL RS) suitable for the network node. The index of the DL RS is associated with a determined or selected beam ID (or TCI state ID or QCL type D property) at the network node. The association between the index of the DL RS and the beam ID (or TCI state ID or QCL type D property) may be determined by a network node implementation. Then, the BS may transmit an indication to the network node, which may include an index of each DL RS in at least one DL RS (or an index of each DL resource in at least one DL resource). Thus, the network node may receive the indication. Based on the index of each DL RS (or the index of each DL resource), the network node may determine the corresponding beam ID (or TCI state ID or QCL type D property) associated with the index of each DL RS (or the index of each DL resource).

[0144] According to some embodiments of the present application, the RS group may be a group of UL RSs. All definitions of the UL RS group in Embodiment 1 are applicable here.

[0145] In embodiment III, each UL RS (or each UL resource) may be associated with a beam ID (or TCI state ID or QCL type D property) for UL forwarding. Therefore, only the beam ID (or TCI state ID or QCL type D property) of the UL RS group may be scanned.

[0146] In embodiment III, the network node may determine the beam ID (or TCI state ID or QCL type D property) of each UL RS in the UL RS group in step 303. The beam ID (or TCI state ID or QCL type D property) may be determined based on the method in the following embodiments.

[0147] In some embodiments, the beam ID (or TCI state ID or QCL type D property) of each UL RS is explicitly configured from the BS to the network node. In such embodiments, the configuration information may indicate the beam ID (or TCI state ID or QCL type D property) of each UL RS in the UL RS group. The network node may determine the beam ID (or TCI state ID or QCL type D property) of each UL RS in the UL RS group based on the indication.

[0148] In such an embodiment, the network node may receive a UL RS group from the UE. Then, in step 305, the network node may transmit each UL RS in the UL RS group to the BS based on the determined beam ID (or TCI state ID or QCL type D property) of each UL RS in the UL RS group. For the UE, the UL RS group may have the same purpose as the traditional one of maintaining transparency.

[0149] In some cases, based on the measurement of the UL RS group, the BS may determine at least one beam ID (or TCI state ID or QCL type D property) suitable for the network node. Then, the BS may transmit an indication indicating at least one beam ID (or TCI state ID or QCL type D property) to the network node. Thus, the network node may receive an indication indicating at least one beam ID (or TCI state ID or QCL type D property) from the BS.

[0150] In some other embodiments, the beam ID (or TCI state ID or QCL type D property) of each UL RS is determined by the network node. In such embodiments, the network node may receive the UL RS group from the UE. Then, in step 305, the network node may transmit each UL RS in the UL RS group to the BS based on the determined beam ID (or TCI state ID or QCL type D property) of each UL RS in the UL RS group.

[0151] In some cases, based on the measurement of the UL RS group, the BS may determine the index of at least one UL RS (or at least one UL resource of at least one UL RS) suitable for the network node. The index of the UL RS is associated with a determined or selected beam ID (or TCI state ID or QCL type D property) at the network node. The association between the index of the UL RS and the beam ID (or TCI state ID or QCL type D property) may be determined by the implementation of the network node. Then, the BS may transmit an indication to the network node, which may include the index of each UL RS in at least one UL RS (or the index of each UL resource in at least one UL resource). Thus, the network node may receive the indication. Based on the index of each UL RS (or the index of each UL resource), the network node may determine the corresponding beam ID (or TCI state ID or QCL type D property) associated with the index of each UL RS (or the index of each UL resource).

[0152] Figure 6 is a flow chart illustrating an exemplary method 600 for determining at least one of a power gain or a beam of a repeater according to some other embodiments of the present disclosure. Figure 6 The method in can be implemented by BS (e.g. Figure 1 BS101 or Figure 2 The BS201 in the embodiment may be implemented by the BS201 or other network nodes having similar functions.

[0153] exist Figure 6 In the exemplary method shown, in step 601, the BS may transmit configuration information of the RS group to a network node, such as a relay (eg, Figure 2 The BS may transmit or receive an RS group from a network node. The specific operations in each step may be described in the following embodiments.

[0154] Example 1

[0155] In embodiment I, the RS group may be used for power gain measurement of a network node.

[0156] According to some embodiments of the present application, the RS group may be a group of DL RSs. All definitions of the DL RS group in Embodiment 1 are applicable here.

[0157] In some embodiments, the power gain of each DL RS is explicitly configured from the BS to the network node. In such embodiments, the BS may determine the power gain of each DL RS in the DL RS set and indicate the power gain of each DL RS in the DL RS set in the configuration information.

[0158] In such an embodiment, the BS may transmit the DL RS group to the network node in step 603. Then, the network node may transmit the DL RS group to the UE (eg, Figure 1 UE103 or Figure 2 UE 205a, 205b or UE 205c).

[0159] In some cases, based on measurements and reports about DL RS sets from UEs, the BS may determine at least one power gain appropriate for the network node.The BS may then transmit an indication indicating the at least one power gain to the network node.

[0160] In some other embodiments, the power gain of each DL RS is determined by the network node itself. In such embodiments, the BS may transmit the DL RS group to the network node in step 603. Then, the network node may transmit each DL RS in the DL RS group to the UE (e.g., Figure 1 UE 103 or Figure 2 UE 205a, 205b or UE 205c).

[0161] In some cases, based on measurements and reports about the DL RS group from the UE, the BS may determine an index of at least one DL RS (or at least one DL resource of at least one DL RS) suitable for the network node. The index of the DL RS is associated with a determined or selected power gain at the network node. The association between the index of the DL RS and the power gain may be determined by the implementation of the network node. Then, the BS may transmit an indication to the network node, which may include an index of each DL RS in the at least one DL RS (or an index of each DL resource in the at least one DL resource). Thus, the network node may receive the indication.

[0162] According to some embodiments of the present application, the RS group may be a group of UL RSs. All definitions of the UL RS group in Embodiment 1 are applicable here.

[0163] In some embodiments, the power gain of each UL RS is explicitly configured from the BS to the network node. In such embodiments, the BS may determine the power gain of each UL RS in the UL RS set and indicate the power gain of each UL RS in the UL RS set in the configuration information.

[0164] In such embodiments, the BS may receive a UL RS set from the network node in step 603. In some cases, based on measurements of the UL RS set, the BS may determine at least one power gain suitable for the network node. The BS may then transmit an indication indicating the at least one power gain to the network node.

[0165] In some other embodiments, the power gain of each UL RS is determined by the network node itself. There will be a correlation between the index of the UL RS and the determined power gain. In such embodiments, the BS may receive a UL RS group from the network node in step 603. In some cases, based on the measurement of the UL RS group, the BS may determine the index of at least one UL RS (or at least one UL resource of at least one UL RS) suitable for the network node. The index of the UL RS is associated with the determined or selected power gain at the network node. The correlation between the index of the UL RS and the power gain can be determined by the implementation of the network node. Then, the BS may transmit an indication to the network node, which may include the index of each UL RS in at least one UL RS (or the index of each UL resource in at least one UL resource).

[0166] Example II

[0167] In Embodiment II, the RS group may be used for power gain measurement and beam measurement of a network node.

[0168] According to some embodiments of the present application, the RS group may be a group of DL RSs. All definitions regarding the DL RS group in Embodiment II are applicable here.

[0169] In some embodiments, the power gain and beam ID (or TCI state ID or QCL type D property) of each DL RS are explicitly configured from the BS to the network node. In such embodiments, the BS may determine the power gain and beam ID (or TCI state ID or QCL type D property) of each DL RS and indicate the power gain and beam ID (or TCI state ID or QCL type D property) of each DL RS in the configuration information.

[0170] In such an embodiment, the BS may transmit the DL RS group to the network node in step 603. Then, the network node may transmit each DL RS in the DL RS group to the UE (e.g., Figure 1 UE 103 or Figure 2 UE 205a, 205b or UE205c).

[0171] In some cases, based on measurements and reports about DL RS groups from UEs, the BS may determine at least one set of power gain and beam ID (or TCI state ID or QCL type D property) suitable for the network node. The BS may then transmit an indication indicating at least one set of power gain and beam ID (or TCI state ID or QCL type D property) to the network node.

[0172] In some other embodiments, the power gain and beam ID (or TCI state ID or QCL type D property) of each DL RS is determined by a network node.

[0173] In an embodiment, the configuration information in step 301 may further indicate a first number of beam IDs (or TCI state IDs or QCL type D properties) and a second number of power gains associated with the DL RS group. In some cases, the configuration information also indicates a mapping order between the DL RS group and the first number of beam IDs (or TCI state IDs or QCL type D properties) and the second number of power gains.

[0174] In such an embodiment, the BS may transmit the DL RS group to the network node in step 603. Then, the network node may transmit each DL RS in the DL RS group to the UE (e.g., Figure 1 UE 103 or Figure 2 UE 205a, 205b or 205c in.

[0175] In some cases, based on measurements and reports about the DL RS group from the UE, the BS may determine an index of at least one DL RS (or at least one DL resource of at least one DL RS) suitable for the network node. The index of the DL RS is associated with a determined or selected power gain and a determined or selected beam ID (or TCI state ID or QCL type D property) at the network node. The association between the index of the DL RS and the power gain and beam ID (or TCI state ID or QCL type D property) may be determined by the implementation of the network node. Then, the BS may transmit an indication to the network node, which may include an index of each DL RS in at least one DL RS (or an index of each DL resource in at least one DL resource).

[0176] According to some embodiments of the present application, the RS group may be a group of UL RSs. All definitions regarding the UL RS group in Embodiment II are applicable here.

[0177] In some embodiments, the power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS are explicitly configured from the BS to the network node. In such embodiments, the BS may determine the power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS and indicate the power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS in the configuration information.

[0178] In such embodiments, the BS may receive a UL RS set from the UE. In some cases, based on measurements of the UL RS set, the BS may determine at least one set of power gain and beam ID (or TCI state ID or QCL type D property) suitable for the network node. The BS may then transmit an indication indicating at least one set of power gain and beam ID (or TCI state ID or QCL type D property) to the network node.

[0179] In some other embodiments, the power gain and beam ID (or TCI state ID or QCL type D property) of each UL RS is determined by a network node.

[0180] In an embodiment, the configuration information in step 301 may further indicate a first number of beam IDs (or TCI state IDs or QCL type D properties) and a second number of power gains associated with the UL RS group. In some cases, the configuration information also indicates a mapping order between the UL RS group and the first number of beam IDs (or TCI state IDs or QCL type D properties) and the second number of power gains.

[0181] In such embodiments, the BS may receive a UL RS group from a network node. In some cases, based on measurements of the UL RS group, the BS may determine an index of at least one UL RS (or at least one UL resource of at least one UL RS) suitable for the network node. The index of the UL RS is associated with a determined or selected power gain at the network node and a determined or selected beam ID (or TCI state ID or QCL type D property). The association between the index of the UL RS and the power gain and beam ID (or TCI state ID or QCL type D property) may be determined by the implementation of the network node. Then, the BS may transmit an indication to the network node, which may include an index of each UL RS in at least one UL RS (or an index of each UL resource in at least one UL resource).

[0182] Example III

[0183] In embodiment III, the RS group may be used for beam measurement of a network node.

[0184] According to some embodiments of the present application, the RS group may be a group of DL RSs. All definitions regarding the DL RS group in Embodiment III' are applicable here.

[0185] In some embodiments, the beam ID (or TCI state ID or QCL type D property) of each DL RS is explicitly configured from the BS to the network node. In such embodiments, the BS may determine the beam ID (or TCI state ID or QCL type D property) of each DL RS and indicate the beam ID (or TCI state ID or QCL type D property) of each DL RS in the configuration information.

[0186] In such an embodiment, the BS may transmit the DL RS group to the network node in step 603. Then, the network node may transmit each DL RS in the DL RS group to the UE (e.g., Figure 1 UE 103 or Figure 2 UE 205a, 205b or UE 205c).

[0187] In some cases, based on measurements and reports about the DL RS group from the UE, the BS may determine at least one beam ID (or TCI state ID or QCL type D property) suitable for the network node. The BS may then transmit an indication indicating the at least one beam ID (or TCI state ID or QCL type D property) to the network node.

[0188] In some other embodiments, the beam ID (or TCI state ID or QCL type D property) of each DL RS is determined by the network node. In such embodiments, the BS may transmit the DL RS group to the network node in step 603. Then, the network node may transmit each DL RS in the DL RS group to the UE (e.g., Figure 1 UE 103 or Figure 2 UE 205a, 205b or UE 205c).

[0189] In some cases, based on measurements and reports about the DL RS group from the UE, the BS may determine an index of at least one DL RS (or at least one DL resource of at least one DL RS) suitable for the network node. The index of the DL RS is associated with a determined or selected beam ID (or TCI state ID or QCL type D property) at the network node. The association between the index of the DL RS and the beam ID (or TCI state ID or QCL type D property) may be determined by the implementation of the network node. Then, the BS may transmit an indication to the network node, which may include an index of each DL RS in the at least one DL RS (or an index of each DL resource in the at least one DL resource).

[0190] According to some embodiments of the present application, the RS group may be a group of UL RSs. All definitions of the UL RS group in Embodiment 1 are applicable here.

[0191] In some embodiments, the beam ID (or TCI state ID, QCL type D property) of each UL RS is explicitly configured from the BS to the network node. In such embodiments, the BS may determine the beam ID (or TCI state ID or QCL type D property) of each UL RS in the UL RS group and indicate the beam ID (or TCI state ID or QCL type D property) of each UL RS in the configuration information.

[0192] In such embodiments, the BS may receive a UL RS group from a network node. In some cases, based on measurements of the UL RS group, the BS may determine at least one beam ID (or TCI state ID or QCL type D property) suitable for the network node. The BS may then transmit an indication indicating at least one beam ID (or TCI state ID or QCL type D property) to the network node.

[0193] In some other embodiments, the beam ID (or TCI state ID or QCL type D property) of each UL RS is determined by the network node. In such embodiments, the BS may receive the UL RS set from the network node.

[0194] In some cases, based on the measurement of the UL RS group, the BS may determine the index of at least one UL RS (or at least one UL resource of at least one UL RS) suitable for the network node. The index of the UL RS is associated with a determined or selected beam ID (or TCI state ID or QCL type D property) at the network node. The association between the index of the UL RS and the beam ID (or TCI state ID or QCL type D property) may be determined by the implementation of the network node. Then, the BS may transmit an indication to the network node, which may include an index of each UL RS in the at least one UL RS (or an index of each UL resource in the at least one UL resource).

[0195] According to some embodiments of the present application, at least one of the power gain or the beam ID (or the TCI state ID or the QCL type D property) may be indicated by the BS to the network node. Figure 7 is a flow chart illustrating an exemplary method 700 for indicating at least one of a power gain and a beam of a repeater according to some embodiments of the present disclosure. Figure 7 The method in BS (e.g. Figure 1 BS101 or Figure 2 BS201 in the example) and network nodes (such as repeaters (such as Figure 2 The repeater 203a or 203b in the embodiment is described at the system level, but those skilled in the art should understand that the method implemented in the BS and the network node can be implemented separately and / or incorporated by other devices with similar functions. Figure 7 In some embodiments, the repeater may be an NC repeater or an intelligent repeater. In some other embodiments, the repeater may be any other repeater.

[0196] Figure 7 The methods in can be executed individually or based on Figure 3 and 6 The method execution in, for example, Figure 7 The method can be followed Figure 3 and 6 , for example, based on Figure 3 and 6 Measurement of the DL RS group or UL RS group described in.

[0197] refer to Figure 7 In step 701, the BS may transmit indication information to the network node. The indication information may include at least one indication, wherein each indication may indicate at least one of a power gain or a beam ID (or a TCI state ID or a QCL type D property). Therefore, in step 702, the network node may receive the indication information from the BS.

[0198] In some embodiments, each indication may directly indicate at least one of a power gain or a beam ID (or a TCI state ID or a QCL type D property). For example, an indication may include at least one of a power gain value or a beam ID (or a TCI state ID or a QCL type D property).

[0199] In some other embodiments, each indication may indicate an index of the RS (or an index of a resource used to transmit the RS). The index of the RS (or an index of a resource used to transmit the RS) may be associated with at least one of a power gain or a beam ID (or a TCI state ID or a QCL type D property), which may be Figure 3 and Figure 6In such embodiments, the RS may be a DL RS or a UL RS.

[0200] In some embodiments of the present application, the indication information may be periodic indication information. In such embodiments, the BS may transmit at least one of the following information of the periodic indication information to the network node:

[0201] Indication of the periodicity of information;

[0202] Duration, which may define the period of time in which the indication information is used;

[0203] An offset, which can be used to define the starting position of a duration within a periodicity, for example, the period between slot #0 and the starting position of a duration can be defined as an offset; or

[0204] · Time interval index, which may define the index of the time interval for using the indication information. The time interval in the embodiments of the present application may be in units of time slots, sub-time slots, symbols, etc. For example, the time interval may be a time slot. In some embodiments, the time interval may also be referred to as a time domain resource.

[0205] The network node or BS may determine at least one of the power gain or beam ID (or TCI state ID or QCL type D property) for each time interval within the duration based on the above information.

[0206] Figure 8 is an exemplary method for determining power gain for a duration according to some embodiments of the present disclosure.

[0207] refer to Figure 8 , assuming that the indication information includes 6 indications, each indication indicates a power gain corresponding to a time interval (for example, represented as T). For example, the six power gains indicated by the indication information may be defined as P#0, P#1, P#0, P#2, P#3, and P#4.

[0208] In addition, it is assumed that the BS transmits the indication information periodically ( Figure 8 Not shown), offset ( Figure 8 (not shown), duration and time interval index. For example, the duration may include 6 time intervals, and the time interval indexes are #0, #2, #4, #6, #8, and #10. Based on the above information, the network node or BS may determine P#0 of T#0, P#1 of T#2, P#0 of T#4, P#2 of T#6, P#3 of T#8, and P#4 of T#10. For other time intervals in the duration, since there is no indication indicating their power gains, the network node or BS may determine the default power gains (e.g., represented as P_d) for these time intervals.

[0209] In some embodiments of the present application, the indication information may be aperiodic indication information. In such embodiments, the BS may transmit at least one of the following information of the aperiodic indication information to the network node:

[0210] Application time; the network node or BS may apply the indication information after the application time; the application time may be one or more time slots, sub-time slots, symbols, etc.; or

[0211] Duration, which may define the period in which the indication information is used. The duration may be in units of slots, subslots, symbols, etc.

[0212] In an embodiment, aperiodic indications have priority over periodic indications.Later indications have priority over earlier indications.

[0213] In an embodiment, when the power gain for the time interval is not indicated (eg, no periodic indication and aperiodic indication are available for the time interval), the BS or network node may determine a default power gain for the time interval.

[0214] In some embodiments of the present application, each indication may indicate a power gain, and thus at least one indication may indicate at least one power gain. In some cases, at least one power gain may be indicated per beam.

[0215] For example, the BS may transmit a mapping relationship between at least one power gain indicated by the indication information and at least one beam ID (or at least one TCI state ID) to the network node, wherein each power gain may be associated with a corresponding beam ID (or TCI state ID or QCL type D property). In this example, once the beam ID (or TCI state ID or QCL type D property) of the time interval is determined, the BS or the network node may determine the power gain of the time interval based on the beam ID or TCI state ID associated with the power gain.

[0216] Fig. 9 is an exemplary method for determining power gain for a duration according to some other embodiments of the present disclosure.

[0217] refer to Fig. 9 , assuming that the instruction information indicates Fig. 9 5 power gains not shown in (e.g., represented as P#0 to P#4). In addition, it is also assumed that the mapping relationship indicates that P#0 to P#4 are associated with beam IDs B#0 to B#4, respectively. It is assumed that the network node or BS determines B#0, B#1, B#0, B#2, B#3, and B#4 for time intervals T#0 to T#5, respectively. Then, the network node or BS may determine that the power gains from T#0 to T#5 are P#0, P#1, P#0, P#2, P#3, and P#4, respectively.

[0218] In another embodiment, at least one power gain indicated by the indication information may be associated with one or more beam IDs (one or more TCI state IDs or one or more QCL type D properties), and each beam ID (or each TCI state ID or each QCL type D property) may be associated with one or more power gains of the at least one power gain, wherein each gain may be used for a corresponding time interval of the beam. In such an embodiment, the network node or BS may determine the power gain of the time interval based on the beam ID (or TCI state ID or QCL type D property) of the time interval.

[0219] Fig.10 is an exemplary method for determining power gain for a duration according to some other embodiments of the present disclosure.

[0220] refer to Fig.10 , assuming that the indication information indicates 6 power gains (for example, represented as P#0, P#1, P#0, P#2, P#3 and P#4) of a beam ID (for example, represented as B#0) within a duration, includes 6 time intervals (for example, represented as T#0 to T#5), and also indicates 6 power gains (for example, represented as P#1, P#0, P#2, P#3, P#4 and P#0) of another beam ID (for example, represented as B#1) within the duration, where each power gain can be associated with the corresponding time interval.

[0221] In addition, it is assumed that the network node or BS determines B#0, B#1, B#0, B#1, B#1 and B#1 for T#0 to T#5 respectively, and then the network node or BS can determine the power gains of T#0 to T#5 as P#0, P#0, P#0, P#3, P#4 and P#0 respectively.

[0222] In some embodiments of the present application, at least one indication may be used for DL ​​and UL separately or commonly for DL ​​and UL.

[0223] In some embodiments of the present application, the indication information may be transmitted by the BS (or received by the network node) in a group common DCI or MAC CE.

[0224] As described above, in some cases, there may be a variety of sidewalk control information configured for a network node. The following embodiments provide a solution on how to determine the sidewalk control information at a time interval.

[0225] Fig.11 is a flow chart illustrating an exemplary method for determining control information according to some embodiments of the present disclosure. Fig.11 The method in BS (e.g. Figure 1 BS101 or Figure 2BS201 in the example) and network nodes (such as repeaters (such as Figure 2 The repeater 203a or 203b in the embodiment is described at the system level, but those skilled in the art should understand that the method implemented in the BS and the network node can be implemented separately and / or incorporated by other devices with similar functions. Fig.11 In some embodiments, the repeater may be an NC repeater or an intelligent repeater. In some other embodiments, the repeater may be any other repeater.

[0226] refer to Fig.11 In step 1101, the BS may transmit control information (such as sideline control information) to the network node. The indication information may include at least one of the following:

[0227] a switch configuration indicating a switch state of each of at least one time interval. The switch configuration may be at least one of: a semi-static switch configuration or a dynamic switch configuration. The switch state of a time interval may indicate an on state of the time interval or a off state of the time interval;

[0228] · TDD configuration indicating DL, UL or flexibility for each time interval in at least one time interval. The TDD configuration may be at least one of: a semi-static TDD configuration or a dynamic TDD configuration;

[0229] one or more beam-related indications (or one or more TCI state-related indications or one or more QCL-type D property-related indications), wherein each beam-related indication (or each TCI state-related indication or each QCL-type D property-related indication) indicates a beam ID (or a TCI state ID or a QCL-type D property) for a corresponding time interval in at least one time interval; or

[0230] • One or more power gain indications, wherein each power gain indication indicates a power gain for a corresponding time interval in at least one time interval.

[0231] The time interval in the embodiments of the present application may be in units of time slots, sub-time slots, symbols, etc. For example, the time interval may be a time slot. In some embodiments, the time interval may also be referred to as a time domain resource.

[0232] Thus, in step 1102, the network node may receive control information from the BS.

[0233] In some embodiments, each of the above control information may be associated with a corresponding priority. In an embodiment, the priority may be explicitly configured by the BS to the network node or implicitly determined by the type of control information. For example, switch configuration may have a higher priority than other control information.

[0234] In some embodiments, the beam-related indication (or TCI state-related indication or QCL type D property-related indication) may correspond to at least one of the following: corresponding cell-specific RS (or channel), UE-specific dynamic scheduling, unlicensed scheduling (e.g., semi-persistent scheduling (SPS)), etc. The beam-related indication (or TCI state-related indication or QCL type D property-related indication) may be associated with a priority. The following embodiments may provide a method for determining the priority of a beam-related indication (or TCI state-related indication or QCL type D property-related indication).

[0235] In an embodiment, one or more beam-related indications (or one or more TCI state-related indications or one or more QCL-type D property-related indications) may include at least one beam-related indication (or TCI state-related indication or QCL-type D property-related indication) transmitted in a periodic manner and at least one beam-related indication (or TCI state-related indication or QCL-type D property-related indication) transmitted in an aperiodic manner. In this embodiment, the priority of each beam-related indication (or TCI state-related indication or QCL-type D property-related indication) may be explicitly configured by the BS to the network node or implicitly determined by the BS or the network node, so that the aperiodic beam-related indication (or TCI state-related indication or QCL-type D property-related indication) has a higher priority than the periodic beam-related indication (or TCI state-related indication or QCL-type D property-related indication). In this embodiment, when a periodic beam-related indication (or a TCI state-related indication or a QCL type D property-related indication) and a non-periodic beam-related indication (or a TCI state-related indication or a QCL type D property-related indication) are indicated or determined for the same time interval, the actual beam-related indication (or a TCI state-related indication or a QCL type D property-related indication) may be the beam-related indication (or a TCI state-related indication or a QCL type D property-related indication) having the highest priority.

[0236] In an embodiment, the priority of the beam-related indication (or TCI state-related indication or QCL type D property-related indication) may be explicitly configured in the indication information. For example, one or more bits may be added to the control information together with one or more beam-related indications (or one or more TCI state-related indications or one or more QCL type D property-related indications) to indicate the priority of each beam-related indication (or TCI state-related indication or QCL type D property-related indication).

[0237] In an embodiment, the priority of the beam-related indication (or TCI state-related indication or QCL type D property-related indication) may be implicitly determined by the network node or BS. For example, the BS or network node may determine the priority of the beam-related indication (or TCI state-related indication or QCL type D property-related indication) based on at least one of the following: the scrambling ID of the physical downlink channel (e.g., PDCCH or PDSCH), the RNTI of the physical downlink channel (e.g., PDCCH or PDSCH), whether the beam-related indication (or TCI state-related indication or QCL type D property-related indication) is periodic or aperiodic, etc.

[0238] In some embodiments, the power gain indication may be associated with a priority. The following embodiments may provide a method for determining a priority of a power gain indication.

[0239] In an embodiment, the one or more power gain indications may include at least one power gain indication transmitted in a periodic manner and at least one power gain indication transmitted in an aperiodic manner. In this embodiment, the priority of each power gain indication may be explicitly configured by the BS to the network node or implicitly determined by the BS or the network node, so that the aperiodic power gain indication has a higher priority than the periodic power gain indication. In such embodiments, when the periodic power gain indication and the aperiodic power gain indication are indicated or determined for the same time interval, the actual power gain indication may be the power gain indication with the highest priority.

[0240] In an embodiment, the priority of the power gain indication may be explicitly configured in the control information. For example, one or more bits may be added in the control information together with one or more power gain indications to indicate the priority of each power gain indication.

[0241] In an embodiment, the priority of the power gain indication may be implicitly determined by the network node or the BS. For example, the BS or the network node may determine the priority of the power gain indication based on at least one of the following: a scrambling ID of a physical downlink channel (e.g., PDCCH or PDSCH), an RNTI of a physical downlink channel (e.g., PDCCH or PDSCH), and whether the power gain indication is periodic or aperiodic.

[0242] In step 1103, the BS may determine at least one of the TDD configuration, switch state, beam ID (or TCI state ID or QCL type D property) or power gain of the time interval based on the control information. In step 1104, the network node may determine at least one of the TDD configuration, switch state, beam ID, TCI state ID or power gain of the time interval based on the control information. The TDD configuration of the time interval may be DL, UL or flexibility of the time interval. The BS and the network node may use the same method to determine the above information of the time interval, which may be described in the following embodiments.

[0243] In some embodiments of the present application, the switch configuration may be included in the control information. Next, for the time interval:

[0244] In case that at least one of the TDD configuration indicates flexibility of the time interval or the switch configuration indicates an off state of the time interval, the BS or the network node may determine that the time interval is in an off state;

[0245] Otherwise, the time interval may be indicated as DL or UL based on its TDD configuration;

[0246] In addition, regarding the beam ID (or TCI state ID or QCL type D property) of the time interval, it can be determined based on the beam-related indication (or TCI state-related indication or QCL type D property-related indication) to have the highest priority. For example, in the case where the control information includes more than one beam-related indication (or more than one TCI state-related indication or more than one QCL type D property-related indication) of the time interval, the BS or network node can determine the beam-related indication (or TCI state-related indication or QCL type D property-related indication) with the highest priority from the more than one beam-related indication (or more than one TCI state-related indication or more than one QCL type D property-related indication) of the time interval.

[0247] In addition, regarding the power gain of the time interval, it can be determined based on the power gain indication to have the highest priority. For example, in the case where the control information includes more than one power gain indication of the time interval, the BS or network node can determine the power gain indication with the highest priority from the more than one power gain indication of the time interval.

[0248] In some cases, if the power gain is determined based on the beam ID, the power gain for the time interval is also determined based on the beam ID with the highest priority for the time interval.

[0249] Fig.12 is an exemplary method for determining control information according to some embodiments of the present disclosure. Fig.12 In an example, the control information may include a switch configuration.

[0250] refer to Fig.12 , the control information in step 1101 may include the following information of the duration (which includes six time intervals, such as T#0 to T#5):

[0251] · Switch configuration, which indicates the states of "ON", "ON", "OFF", "OFF", "ON", "ON" for T#0 to T#5 respectively;

[0252] TDD configurations, which indicate "DL", "DL", "DL", "Flexibility", "UL", and "UL" for T#0 to T#5, respectively. Fig.12 In the example, “DL” may be represented as “D”, “Flexibility” may be represented as “F”, and “UL” may be represented as “U”;

[0253] Three beam-related indications, which are associated with priority #0 and indicate three beam IDs of T#0, T#2 and T#4 respectively (e.g., represented as B#0, B#0, B#1);

[0254] four beam-related indications, which are associated with priority #1 and indicate four beam IDs of T#0, T#1, T#4 and T#5 respectively (e.g., denoted as B#1, B#1, B#1 and B#1); and

[0255] Six power gain indicators, which respectively indicate six power gains of T#0 to T#5 (for example, represented as P#0, P#1, P#0, P#2, P#3 and P#4).

[0256] The BS or network node can determine the TDD configuration, switch status, beam ID and power gain for each time interval. For example, for T#2 and T#3, the BS or network node can determine their off states due to the switch configurations indicating "off" and "off" of T#2 and T#3; for T#0, the BS or network node can determine "DL" based on the TDD configuration, P#0 based on the power gain indication, and B#0 indicated by the beam-related indication with a higher priority; for T#1, the BS or network node can determine "DL" based on the TDD configuration, P#1 based on the power gain indication, and B#1 indicated by the beam-related indication associated with T#1; for T#4, the BS or network node can determine "UL" based on the TDD configuration, P#3 based on the power gain indication, and B#1 indicated by the beam-related indication with a higher priority; for T#5, the BS or network node can determine "UL" based on the TDD configuration, P#4 based on the power gain indication, and B#1 indicated by the beam-related indication associated with T#5.

[0257] In some embodiments of the present application, the switch configuration may not be included in the control information. Next, for the time interval:

[0258] In case of at least one of the flexibility of the TDD configuration indication time interval, the predefined beam ID of the beam-related indication indicating the time interval (or the predefined TCI state ID of the TCI state-related indication indicating the time interval or the predefined QCL type D property of the QCL type D property-related indication indicating the time interval), or the predefined power gain of the power gain indication indicating the time interval, the BS or the network node may determine that the time interval is the off state;

[0259] Otherwise, the operations in the above-described embodiments (ie, the embodiments in which the switch configuration is included in the control information) are applicable here.

[0260] Fig.13 is an exemplary method for determining control information according to some embodiments of the present disclosure. Fig.13 In an example, the control information may not include a switch configuration.

[0261] refer to Fig.13 , the control information in step 1101 may include the following information of the duration (which includes six time intervals, such as T#0 to T#5):

[0262] TDD configurations, which indicate "DL", "DL", "DL", "Flexibility", "UL", and "UL" for T#0 to T#5, respectively. Fig.12 In the example, “DL” may be represented as “D”, “Flexibility” may be represented as “F”, and “UL” may be represented as “U”;

[0263] Three beam-related indications, which are associated with priority #0 and indicate three beam IDs of T#0, T#2 and T#4 respectively (e.g., represented as B#0, B#2, B#1), where B#2 is a predefined beam ID as described above;

[0264] four beam-related indications, which are associated with priority #1 and indicate four beam IDs of T#0, T#1, T#4 and T#5 respectively (e.g., denoted as B#1, B#1, B#1 and B#1); and

[0265] Six power gain indications, which respectively indicate six power gains of T#0 to T#5 (for example, represented as P#0, P#1, P#0, P#2, P#3 and P#4), where P#0 is a predefined power gain as described above.

[0266] The BS or network node can determine the TDD configuration, switch status, beam ID and power gain for each time interval. For example, for T#0, the BS or network node may determine its off state due to the predefined power gain P#0 for the time interval indicated by the power gain indication; for T#1, the BS or network node may determine "DL" based on the TDD configuration, P#1 based on the power gain indication, and B#1 indicated by the beam-related indication associated with T#1; for T#2, the BS or network node may determine its off state due to the predefined power gain P#0 for the time interval indicated by the power gain indication and the predefined beam ID B#2 for the time interval indicated by the beam-related indication; for T#3, the BS or network node may determine its off state due to the flexibility indicated by the TDD configuration; for T#4, the BS or network node may determine "UL" based on the TDD configuration, P#3 based on the power gain indication, and B#1 indicated by the beam-related indication with a higher priority; for T#5, the BS or network node may determine "UL" based on the TDD configuration, P#4 based on the power gain indication, and B#1 indicated by the beam-related indication associated with T#5.

[0267] Fig.14 A simplified block diagram illustrating an exemplary device for a repeater according to some embodiments of the present application. Fig.14 , the apparatus 1400 may include at least one processor 1406 and at least one transceiver 1402 coupled to the processor 1406. The apparatus 1400 may be a network node (eg, a relay) or a BS.

[0268] Although in this figure, elements such as at least one transceiver 1402 and a processor 1406 are described in the singular, the plural may be contemplated unless explicitly limited to the singular. In some embodiments of the present disclosure, the transceiver 1402 may be divided into two devices, such as a receiving circuit system and a transmitting circuit system. In some embodiments of the present disclosure, the device 1400 may further include an input device, a memory, and / or other components.

[0269] In some embodiments of the present disclosure, the device 1400 may be a network node (eg, a relay). The transceiver 1402 and the processor 1406 may interact with each other to perform Figures 2 to 13 The operations of the network node (eg, relay) described in the foregoing. In some embodiments of the present disclosure, the device 1400 may be a BS. The transceiver 1402 and the processor 1406 may interact with each other to perform Figures 1 to 13 The operations of BS are described in .

[0270] In some embodiments of the present disclosure, the device 1400 may further include at least one non-transitory computer-readable medium.

[0271] For example, in some embodiments of the present disclosure, the non-transitory computer-readable medium may store thereon computer-executable instructions to cause the processor 1406 to implement the method for the UE as described above. For example, when the computer-executable instructions are executed, the processor 1406 interacts with the transceiver 1402 to perform Figures 1 to 13 The operations of the UE are described in .

[0272] In some embodiments of the present disclosure, a non-transitory computer-readable medium may store thereon computer-executable instructions to cause the processor 1406 to implement the method for the BS as described above. For example, when the computer-executable instructions are executed, the processor 1406 interacts with the transceiver 1402 to perform Figures 1 to 13 The operations of BS are described in .

[0273] It should be understood by those skilled in the art that the operations or steps of the methods described in conjunction with the aspects disclosed herein may be directly embodied as hardware, a software module executed by a processor, or a combination of the two. The software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art. In addition, in some aspects, the operations or steps of the methods may reside as one or any combination or set of codes and / or instructions on a non-transitory computer-readable medium that can be incorporated into a computer program product.

[0274] Although the present disclosure has been described using its specific embodiments, it is apparent that many alternatives, modifications, and variations are apparent to those skilled in the art. For example, the various components of the embodiments may be interchanged, added, or replaced in other embodiments. In addition, all elements of each figure are not necessary for the operation of the disclosed embodiments. For example, it will enable a person of ordinary skill in the art of the disclosed embodiments to make and use the teachings of the present disclosure by simply adopting the elements of the independent claims. Therefore, the embodiments of the present disclosure set forth herein are intended to be illustrative rather than restrictive. Various changes may be made without departing from the spirit and scope of the present disclosure.

[0275] In this document, the term "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, so that the process, method, object or device containing a series of elements not only contains the elements but also may contain other elements that are not explicitly listed or inherent to the process, method, object or device. In the absence of more constraints, the element preceded by "one" or the like does not exclude the existence of additional identical elements in the process, method, object or device containing the elements. In addition, the term "another" is defined as at least the second or more. The term "having" and the like used herein are defined as "comprising". For example, the expression of "A and / or B" or "at least one of A and B" may include any and all combinations of the words listed with the expression. For example, the expression "A and / or B" or "at least one of A and B" may include A, B or both A and B. The words "first", "second" or the like are only used to clearly illustrate the embodiments of the present disclosure, and are not used to limit the essence of the present disclosure.

Claims

1. A network node, comprising: A transceiver configured to receive configuration information of a set of reference signals RS; a processor coupled to the transceiver and configured to determine at least one of a power gain, a beam identification ID, a transmission configuration indicator TCI state ID, or a quasi-co-sited QCL type-D property of each RS in the set of RSs; Wherein the transceiver is further configured to transmit the set of RSs based on the determined at least one of the power gain, the beam ID, the TCI state ID, or the QCL type-D property of each RS.

2. The network node according to claim 1, wherein the configuration information indicates at least one of the power gain, the beam ID, the TCI state ID, or the QCL type D property of each RS in the set of RSs.

3. A network node according to claim 1, wherein the configuration information indicates a first number of beam IDs and a second number of power gains associated with the group of RSs, or a first number of TCI state IDs and a second number of power gains associated with the group of RSs, or a first number of QCL type D properties and a second number of power gains associated with the group of RSs.

4. The network node according to claim 3, wherein the configuration information indicates a mapping order between the group of RSs and the first number of beam IDs and the second number of power gains, or between the group of RSs and the first number of TCI state IDs and the second number of power gains, or between the group of RSs and the first number of QCL type D properties and the second number of power gains; or A mapping order is predefined between the group of RSs and the first number of beam IDs and the second number of power gains, or between the group of RSs and the first number of TCI state IDs and the second number of power gains, or between the group of RSs and the first number of QCL type D properties and the second number of power gains.

5. The network node of claim 1, wherein the transceiver is further configured to receive indication information comprising at least one indication, wherein each indication indicates at least one of: power gain, beam ID, TCI state ID, or QCL type D property.

6. The network node of claim 5, wherein each indication indicates an index of an RS, wherein the index of the RS is associated with at least one of: power gain, beam ID, TCI state ID, or QCL type D property. 7 . The network node according to claim 5 , wherein the indication information is periodic indication information, and the transceiver is further configured to receive at least one of a periodicity, an offset, a duration, and a time interval index of the indication information. 8 . The network node according to claim 5 , wherein the indication information is non-periodic indication information, and the transceiver is further configured to receive at least one of an application time or a duration of the indication information.

9. The network node of claim 5, wherein the processor is further configured to determine a default power gain for a time interval when a power gain is not indicated for the time interval.

10. A base station BS, comprising: A transceiver configured to: Transmit configuration information of a set of reference signals RS; The set of reference signals RS is transmitted or the set of reference signals RS is received.

11. A network node, comprising: A transceiver configured to receive control information, the control information comprising at least one of: a switch configuration indicating a switch state for each of at least one time interval; a time division duplex (TDD) configuration indicating DL, UL, or flexibility for each of at least one time interval; one or more beam-related indications, wherein each beam-related indication indicates a beam ID for a corresponding time interval in at least one time interval; one or more transmission configuration indicators TCI state related indications, wherein each TCI state related indication indicates a TCI state ID of a corresponding time interval in at least one time interval; one or more quasi-co-located QCL type D property related indications, wherein each QCL type D property related indication indicates a QCL type D property for a corresponding time interval in at least one time interval; one or more power gain indicators, wherein each power gain indicator indicates a power gain for a corresponding time interval in at least one time interval; and A processor is coupled to the transceiver and configured to determine at least one of a TDD configuration, a switch state, a beam ID, a TCI state ID, a QCL type D property, or a power gain for a time interval based on the control information.

12. The network node according to claim 11, wherein, if the switch configuration is included in the control information, the processor is configured to determine that the time interval is in a closed state in response to at least one of the TDD configuration indicating flexibility of the time interval or the switch configuration indicating a closed state of the time interval; or Wherein, in the case where the switch configuration is not included in the control information, the processor is configured to determine that the time interval is in a closed state in response to at least one of the TDD configuration indicating the time interval flexibility, the beam-related indication indicating a predefined beam ID of the time interval, the TCI state-related indication indicating a predefined TCI state ID, the QCL type D property-related indication indicating a predefined QCL type D property, or the power gain indication indicating a predefined power gain of the time interval.

13. The network node according to claim 11, wherein the beam-related indication or the TCI state-related indication or the QCL type D property-related indication is associated with a priority. The network node according to claim 13 , wherein the priority is explicitly configured in the control information.

15. A network node according to claim 13, wherein the priority is determined based on at least one of the following: a scrambling identification ID of a physical downlink channel, a radio network temporary identification RNTI of a physical downlink channel, or whether the beam-related indication or the TCI state-related indication or the QCL type D property-related indication is periodic or non-periodic.

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