WO2022237895A1 - Procédé et appareil de traitement de ressources, dispositif de communication et support de stockage lisible - Google Patents

Procédé et appareil de traitement de ressources, dispositif de communication et support de stockage lisible Download PDF

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Publication number
WO2022237895A1
WO2022237895A1 PCT/CN2022/092712 CN2022092712W WO2022237895A1 WO 2022237895 A1 WO2022237895 A1 WO 2022237895A1 CN 2022092712 W CN2022092712 W CN 2022092712W WO 2022237895 A1 WO2022237895 A1 WO 2022237895A1
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resource
iab
iab node
scheduling
transmission
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PCT/CN2022/092712
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English (en)
Chinese (zh)
Inventor
彭淑燕
王欢
刘进华
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维沃移动通信有限公司
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Publication of WO2022237895A1 publication Critical patent/WO2022237895A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present application belongs to the technical field of communication, and in particular relates to a resource processing method, device, communication device and readable storage medium.
  • an IAB node may include a mobile terminal (Mobile Termination, MT) and a distribution unit (Distributed Unit, DU).
  • MT Mobile Termination
  • DU Distribution Unit
  • the scheduled transmission of the MT and/or DU is not yet clear, which leads to inconsistent understanding of MT and DU, thereby reducing the efficiency of system transmission.
  • Embodiments of the present application provide a resource processing method, device, communication device, and readable storage medium to solve the problem that the MT and/or DU corresponding resources of the IAB node are configured as flexible resources.
  • the problem of scheduling transmission of DU is configured as flexible resources.
  • a resource processing method including:
  • the IAB node receives scheduling signaling from the parent IAB node
  • the IAB node determines whether the MT of the IAB node is scheduled on the first resource according to the scheduling signaling;
  • the first resource is the configuration of the MT and/or a resource indicated as UL resource, DL resource or flexible resource; the first resource corresponds to the second resource, and the second resource is the IAB node A DU is configured and/or indicated as a resource for flexible resources.
  • a resource processing method including:
  • the parent IAB node sends scheduling signaling to the IAB node
  • the scheduling signaling is used by the IAB node to determine whether the MT of the IAB node is scheduled on the first resource;
  • the first resource is the configuration of the MT and/or indicates UL resources, DL resources Or a resource of a flexible resource;
  • the first resource corresponds to a second resource, and the second resource is a configuration of a DU of the IAB node and/or a resource indicated as a flexible resource.
  • a resource processing device including:
  • the first receiving module is used to receive the scheduling signaling of the IAB node from the parent IAB node;
  • a determining module configured to determine whether the MT of the IAB node is scheduled on the first resource according to the scheduling signaling
  • the first resource is the configuration of the MT and/or a resource indicated as UL resource, DL resource or flexible resource; the first resource corresponds to the second resource, and the second resource is the IAB node The configuration of the distribution unit DU and/or the resources indicated as flexible resources.
  • a resource processing device including:
  • a third sending module configured to send scheduling signaling to the IAB node
  • the scheduling signaling is used by the IAB node to determine whether the MT of the IAB node is scheduled on the first resource;
  • the first resource is the configuration of the MT and/or indicates UL resources, DL resources Or a resource of a flexible resource;
  • the first resource corresponds to a second resource, and the second resource is a configuration of a DU of the IAB node and/or a resource indicated as a flexible resource.
  • a communication device which includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, and the program or instruction is executed by the processor When executed, the steps of the method described in the first aspect are realized, or the steps of the method described in the second aspect are realized.
  • a communication device including a processor and a communication interface, wherein, when the communication device is an IAB node, the communication interface is used to receive scheduling signaling from a parent IAB node, and the processor is used to receive scheduling signaling according to The scheduling signaling determines whether the MT of the IAB node has scheduling on the first resource; or, when the communication device is a parent IAB node, the communication interface is used to send scheduling signaling to the IAB node; the The scheduling signaling is used by the IAB node to determine whether the MT of the IAB node is scheduled on the first resource; the first resource is the configuration of the MT and/or indicates that it is a UL resource, a DL resource or a flexible resource Resources; the first resource corresponds to a second resource, and the second resource is a resource configured and/or indicated as a flexible resource by the DU of the IAB node.
  • a readable storage medium is provided, and programs or instructions are stored on the readable storage medium, and when the programs or instructions are executed by a processor, the steps of the method described in the first aspect are realized, or the steps of the method described in the first aspect are realized, or The steps of the method described in the second aspect.
  • a chip in an eighth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method as described in the first aspect steps, or realize the steps of the method as described in the second aspect.
  • a computer program product is provided, the computer program product is stored in a non-transitory storage medium, and the program/program product is executed by at least one processor to implement the computer program product described in the first aspect The steps of the method, or realize the steps of the method as described in the second aspect.
  • the IAB node may receive scheduling signaling from the parent IAB node, and according to the scheduling signaling, determine whether the MT of the IAB node is scheduled on the first resource; the first resource is the MT's A resource configured and/or indicated as a UL resource, a DL resource or a flexible resource; the first resource corresponds to a second resource, and the second resource is a configuration of a DU of an IAB node and/or a resource indicated as a flexible resource.
  • the scheduled transmission of MTs and/or DUs can be specified, so that the understanding of MTs and DUs is consistent, and the efficiency of system transmission is ensured. Furthermore, simultaneous transmission of IAB MT and IAB DU on flexible resources can also be achieved, thereby improving resource utilization.
  • FIG. 1 is a schematic diagram of an IAB system applicable to an embodiment of the present application
  • Fig. 2 is a schematic structural diagram of the CU-DU of the IAB system in the embodiment of the present application;
  • FIG. 3 is a flow chart of a resource processing method provided by an embodiment of the present application.
  • FIG. 4 is a flow chart of another resource processing method provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a resource processing device provided in an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a resource processing device provided in an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • FIG. 1 shows a schematic diagram of an IAB system applicable to an embodiment of the present application.
  • an IAB node includes an MT functional part and a DU functional part. Relying on MT, an IAB node can find one/multiple parent IAB nodes (parent IAB node, or upstream IAB node), and establish a wireless connection with the DU of the parent IAB node. This wireless connection is called a backhaul link (backhaul link).
  • backhaul link backhaul link
  • the IAB node can enable its DU function, and the DU will provide cell services, that is, the DU can provide access services for user equipment (User Equipment, UE).
  • User Equipment User Equipment
  • a self-backhaul loop contains one/multiple donor IAB nodes (or called IAB donor), and the donor IAB nodes have a directly connected wired transmission network. It should be pointed out that an example with one parent IAB node and one donor IAB node is shown in FIG. 1 , but this embodiment of the application is not limited thereto.
  • Fig. 2 is a schematic structural diagram of a control unit-distributed unit (Centralized Unit-Distributed Unit, CU-DU) of the IAB system in the embodiment of the present application.
  • CU-DU Centralized Unit-Distributed Unit
  • all DUs of the IAB nodes are connected to a CU node, and the CU node configures the DUs through the F1 application (F1-Aplication, F1-AP) protocol.
  • the CU configures the MT through the Radio Resource Control (RRC) protocol.
  • RRC Radio Resource Control
  • Donor IAB node does not have MT functional part.
  • the duplexing mode between the DU and the MT of the IAB node is divided into half duplex (Half duplex) and full duplex (Full duplex) modes.
  • Half duplex Hyf duplex
  • Full duplex DU/MT can send and receive at the same time.
  • the transceiving operation of the DU and the transceiving operation of the MT are time-division multiplexed (TDMed).
  • TDM Time Domain Multiplexing
  • the sending and receiving operation modes of DU and MT include but not Limited to at least one of the following duplex methods:
  • DU-TX&MT-TX that is, DU is configured as downlink (Downlink, DL), MT is configured as uplink (Uplink, UL); or, DU has actual DL transmission, and MT has actual UL transmission;
  • DU-RX&MT-RX that is, DU is configured as UL, and MT is configured as DL; or, DU has actual UL reception, and MT has actual DL reception;
  • DU-TX&MT-RX that is, DU is configured as DL, and MT is configured as DL; or, DU has actual DL transmission, and MT has actual DL reception;
  • DU-RX&MT-TX that is, the DU is configured as UL, and the MT is configured as UL; or, the DU has actual UL reception, and the MT has actual UL transmission.
  • DU TX and DU DL can be used in common
  • MT TX and MT UL can be used in common
  • DU RX and DU UL can be used in common
  • MT RX and MT DL can be used in common.
  • the three multiplexing modes of TDM, SDM and FDM all involve coordinated scheduling between hops.
  • the description of these three multiplexing methods is as follows:
  • Time Division Multiplexing means that one IAB node operates IAB MT and IAB DU on different time domain resources.
  • an IAB MT receives a Physical Downlink Shared Channel (PDSCH) from its parent IAB node on a certain time domain resource or sends a Physical Uplink Shared Channel (PUSCH) to its parent IAB node;
  • PDSCH Physical Downlink Shared Channel
  • PUSCH Physical Uplink Shared Channel
  • IAB DU Receive PUSCH from its child IAB node or UE or send PDSCH to its child IAB node or UE on another time domain resource.
  • SDM Space Division Multiplexing
  • Frequency division multiplexing means that an IAB node simultaneously operates IAB MT and IAB DU on different frequency resources.
  • IAB MT receives PDSCH from its parent IAB node or sends PUSCH to its parent IAB node
  • IAB DU receives PUSCH from its child IAB node or UE or sends PDSCH to its child IAB node or UE, in the same time domain resource upload.
  • full duplex can mean that an IAB node receives PDSCH from its parent IAB node and sends PDSCH to its child IAB node or UE at the same time, or an IAB node sends PUSCH and Receive PUSCH from its child IAB node or UE.
  • the Donor node CU can configure the time domain resources of the DU through F1-AP (or F1-C) signaling such as gNB-DU resource configuration.
  • F1-AP or F1-C
  • the type of symbol (symbol) transmission (or symbol transmission direction) in each time slot is configured, and the symbol type (or symbol direction) includes DL symbol, UL symbol and flexible (flexible) symbol.
  • Configure the availability of each type of symbol of the DU including hard (hard)/soft (soft)/not available (Not Available) type configuration. Availability is configured in units of symbol types. specific,
  • the IAB DU can be sent/received/sent or received on the symbol;
  • the IAB DU can be transmitted/received/transmitted or received on the symbol; otherwise, The IAB DU does not transmit/receive/transmit or receive on this symbol. Further, the IAB parent node can indicate the availability of the soft symbol of the IAB DU.
  • the IAB DU will not be sent or received on this symbol.
  • the time domain resources of the IAB MT are configured by the CU/parent IAB node, which can be configured through TDD config and downlink control information (Downlink Control Information, DCI) in RRC signaling.
  • DCI Downlink Control Information
  • the symbol type of IAB MT is DL/UL/Flexible symbol.
  • DCI format 2_0 format 2_0
  • the resource schemes for IAB MT and IAB DU may include at least the following five types:
  • the resource configuration and/or indication of the IAB MT is a flexible resource, and the resource configuration and/or indication of the IAB DU is a DL resource;
  • the resource configuration and/or indication of IAB MT is flexible resource, and the resource configuration and/or indication of IAB DU is UL resource;
  • Scheme 3 The resource configuration and/or indication of IAB MT is DL resource, and the resource configuration and/or indication of IAB DU is flexible resource;
  • Solution 4 The resource configuration and/or indication of IAB MT is UL resource, and the resource configuration and/or indication of IAB DU is flexible resource;
  • Solution 5 The resource configuration and/or indication of the IAB MT is a flexible resource, and the resource configuration and/or indication of the IAB DU is a flexible resource.
  • the resources of the IAB MT correspond to the resources of the IAB DU. This correspondence can be understood as the same time domain resources, and the frequency domain resources are not limited.
  • the resource of IAB MT may include but not limited to symbol, time slot slot, frame frame, etc.
  • the resource of IAB DU may include but not limited to symbol, time slot slot, frame frame, etc.
  • the transmission direction of IAB MT/DU can be determined according to at least one of the following: priority relationship of IAB MT/DU, multiplexing capability of IAB node, signaling indication, transmission direction of IAB DU .
  • the transmission direction of IAB MT/DU can be determined according to at least one of the following: priority relationship of IAB MT/DU, multiplexing capability of IAB node, signaling indication, transmission of IAB MT direction.
  • different transmission behaviors may be adopted for different signals/channels.
  • SRS Sounding Reference Signal
  • PUCCH Physical Uplink Control Channel
  • PRACH Physical Random Access Channel
  • DL positioning reference signal Positioning Reference Signal
  • PRS DL positioning reference signal
  • the high-level scheduling is received in the flexible symbol, it can be received; if the high-level scheduling physical downlink control channel (Physical Downlink Control Channel, PDCCH)/PDSCH/ If the Channel State Information-Reference Signal (CSI-RS) is received on the flexible symbol, it may not be received.
  • PDCCH Physical Downlink Control Channel
  • CSI-RS Channel State Information-Reference Signal
  • the MT of the IAB node can be abbreviated as IAB MT
  • the DU of the IAB node can be abbreviated as IAB DU.
  • FIG. 3 is a flowchart of a resource processing method provided in an embodiment of the present application. The method is executed by an IAB node. As shown in FIG. 3, the method includes the following steps:
  • Step 31 The IAB node receives scheduling signaling from the parent IAB node.
  • the above scheduling signaling may be used for scheduling of MTs of the IAB node.
  • the foregoing scheduling signaling may be MT/DU scheduling signaling of the IAB node.
  • the foregoing scheduling signaling may be DCI or the like.
  • the parent IAB node can determine the scheduling signaling for scheduling the IAB MT according to the content reported by the IAB node and/or the capabilities of the IAB node.
  • Step 32 The IAB node determines whether the MT of the IAB node is scheduled on the first resource according to the scheduling signaling.
  • the first resource is a resource configured by the IAB MT and/or indicated as a UL resource (corresponding to the above-mentioned scheme 4), a DL resource (corresponding to the above-mentioned scheme 3) or a flexible resource (corresponding to the above-mentioned scheme 5).
  • the first resource corresponds to the second resource
  • the second resource is a configuration of the IAB DU and/or a resource indicated as a flexible resource.
  • the correspondence between the first resource and the second resource may be understood as: the first resource and the second resource are the same time-domain resources such as symbols.
  • the frequency domain resources of the first resource and the second resource are not limited, and may be the same or different.
  • the first resource includes but not limited to symbol, slot, frame, microsecond, millisecond, second, etc.
  • the second resource includes but not limited to symbol, slot, frame, microsecond, millisecond, second, etc.
  • a resource and a second resource are constrained.
  • the IAB node can receive scheduling signaling from the parent IAB node, and according to the scheduling signaling, determine whether the MT of the IAB node has scheduling on the first resource; the first resource is the MT configuration and/or resources indicated as UL resources, DL resources or flexible resources; the first resource corresponds to the second resource, and the second resource is the configuration of the DU of the IAB node and/or indicated as flexible resources resource. Therefore, when the corresponding resources of MTs and/or DUs of the IAB node are configured as flexible resources, the scheduled transmission of MTs and/or DUs can be specified, so that the understanding of MTs and DUs is consistent, and the efficiency of system transmission is ensured. Furthermore, simultaneous transmission of IAB MT and IAB DU on flexible resources can also be achieved, thereby improving resource utilization.
  • the resources of the IAB MT are DL resources, and the resources of the IAB DU are flexible resources.
  • the IAB node can determine whether the IAB MT is scheduled on the corresponding DL resource, where the corresponding DL resource is the same time-domain resource as the Flexible resource of the IAB DU. Or, the IAB node can determine whether the IAB MT is scheduled on the corresponding DL resource according to the sending/receiving of the configuration acquired in advance.
  • the transmission/reception of the above configuration may refer to Synchronization Signal and PBCH block (SSB)/type 0 search space (type 0 search space)/PDCCH/PDSCH/CSI-RS/DL Reception of PRS.
  • SSB Synchronization Signal and PBCH block
  • type 0 search space type 0 search space
  • the above scheme three or scheme four for a certain point in time, the time division duplex (TDD) direction of IAB MT is DL/UL, and the TDD direction of IAB DU is flexible (can be abbreviated as F):
  • IAB MT priority is predefined, preconfigured and/or configured, at least one of the following is met:
  • IAB DU is scheduled in a conservative way, that is, it cannot affect the behavior/performance of IAB MT reception; parent IAB has a certain aggressiveness when scheduling IAB MT.
  • parent IAB node scheduling can assume that IAB DU is not scheduled; or, parent IAB node scheduling can assume that IAB DU scheduling is UL/DL.
  • IAB MT scheduling can assume that IAB DU is not scheduled; or, IAB MT scheduling can assume that IAB DU scheduling is UL/DL.
  • the parent IAB node knows in advance whether MT is scheduled or not, it can increase the aggressiveness of IAB DU scheduling accordingly. For determining whether there is scheduling, whether there is scheduling can be determined according to the DCI indication obtained in advance, or whether there is scheduling can be determined according to the configured transmission/reception (configured transmission/reception) obtained in advance, wherein the IAB MT is not configured as On the premise of detecting DCI format 2-0, at least the reception of SSB can be confirmed. The transmission and reception of other high-level configurations will be changed by DCI, but it can be newly stipulated that the transmission and reception of a certain high-level configuration cannot be changed by DCI.
  • IAB DU priority is predefined, preconfigured and/or configured, at least one of the following is met:
  • the parent IAB node adopts conservative scheduling when scheduling IAB MT, that is, it cannot affect the sending behavior/performance of IAB DU scheduling; IAB DU scheduling has a certain scheduling aggressiveness.
  • the parent IAB node cannot determine whether the flexible resource of the IAB DU is scheduled, and/or the parent IAB node cannot determine that the scheduling on the flexible resource of the IAB DU is UL/DL; the parent IAB node defaults that the IAB DU can be used as any UL/DL DL scheduling.
  • the parent IAB node can determine whether the flexible resource of the IAB DU is scheduled, and/or determine that the scheduling on the flexible resource of the IAB DU is UL/DL, the parent IAB node performs scheduling according to the scheduling direction of the IAB DU.
  • IAB DU can report scheduling plan/scheduling direction/multiplexing case, etc.
  • IAB DU When IAB DU is scheduled as UL on flexible resources, it is assumed that MT DL & DU UL are performed simultaneously;
  • IAB DU When IAB DU is scheduled as DL on flexible resources, it is assumed that MT DL & DU DL are performed simultaneously;
  • IAB DU When IAB DU is scheduled on flexible resources, it is assumed that IAB MT is not scheduled;
  • IAB MT and IAB DU can be scheduled according to the agreed multiplexing case. For example, always assume simultaneous sending or receiving, or determine the multiplexing case between IAB MT and IAB DU according to the multiplexing mode (multiplexing mode) indication of CU/parent, or determine the multiplexing case between IAB MT and IAB DU according to the expected multiplexing mode reported by IAB between multiplexing cases.
  • multiplexing mode multiplexing mode
  • the resources of the IAB MT are UL resources, and the resources of the IAB DU are flexible resources.
  • the IAB node can determine whether the IAB MT is scheduled on the corresponding UL resource, where the corresponding UL resource is the same time-domain resource as the Flexible resource of the IAB DU.
  • the IAB node may determine whether the MT is scheduled on the corresponding UL resource according to the sending/receiving of the configuration acquired in advance.
  • the sending/receiving of the above configuration, or the scheduling indicated by the DCI may refer to the sending of PRACH/PUCCH/PUSCH/SRS.
  • the resources of IAB MT are flexible resources, and the resources of IAB DU are flexible resources. If the default or assumed flexible resources of IAB MT are DL resources, since the resources of IAB DU are flexible resources, it is similar to scheme three, and the corresponding method is the same as that in scheme three. However, if the flexible resources of the IAB MT are UL resources by default or assumed, since the resources of the IAB DU are flexible resources, it is similar to scheme 4, and the corresponding method is the same as that in scheme 4.
  • the IAB MT when the flexible resources of the IAB DU are converted into UL resources or DL resources, the IAB MT can send/receive/not send/not receive according to the scheduling signaling and/or the multiplexing mode of the IAB node, etc. .
  • the sending/receiving behavior of the IAB MT if the scheduling behavior of the parent IAB node depends on the implementation after the IAB node reports the information, then the sending/receiving behavior of the IAB MT may need to be defined to avoid conflicts with the IAB DU.
  • the IAB MT may perform the first operation on the third resource.
  • the third resource is a resource corresponding to the fourth resource among the first resources.
  • the fourth resource is a resource converted into a UL resource or a DL resource among the second resources.
  • the first operation includes at least one of the following: sending, receiving, not sending, not receiving. In this way, the transmission behavior of IAB MT can be further standardized, thereby improving resource utilization.
  • the IAB MT may perform at least one of the following:
  • Receiving is performed on a third resource.
  • the first condition may include at least one of the following:
  • the third resource configuration and/or indication is a DL resource, or the third resource configuration and/or indication is a flexible resource and the default third resource is a DL resource, and the fourth resource is a DL resource, and the configuration and/or indication The MT performs DL reception on the third resource;
  • the third resource configuration and/or indication is a DL resource, or the third resource configuration and/or indication is a flexible resource and the default third resource is a DL resource, and the fourth resource is a UL resource, and the configuration and/or indication The MT performs DL reception on the third resource.
  • the above-mentioned reception on the third resource may include: when the IAB node supports the reception of MT and the transmission of DU at the same time, or the IAB node supports the reception of MT and the transmission of DU When receiving simultaneously, the IAB MT receives on the third resource. In this way, the receiving behavior of IAB MT can be further standardized, thereby improving resource utilization.
  • the IAB MT may also perform at least one of the following:
  • the second condition may include any of the following:
  • the third resource configuration and/or indication is a UL resource, or the third resource configuration and/or indication is a flexible resource and the default third resource is a UL resource, and the fourth resource is a DL resource, and the configuration and/or indication The MT performs UL transmission on the third resource;
  • the third resource configuration and/or indication is a UL resource, or the third resource configuration and/or indication is a flexible resource and the third resource is a UL resource by default, and the fourth resource is a UL resource, and the configuration and/or indication The MT performs UL transmission on the third resource.
  • the above-mentioned sending on the third resource may include: when the IAB node supports the sending of MT and the receiving of DU at the same time, or the IAB node supports the sending of MT and the receiving of DU When sending simultaneously, the IAB MT sends on the third resource. In this way, the sending behavior of IAB MT can be further standardized, thereby improving resource utilization.
  • the overlapping resources of the third resource and the fourth resource mentioned above may refer to the same resources in the time domain.
  • the third resource occupies symbol 1-8
  • the fourth resource occupies symbol 4-10
  • the resource whose time domain is the same as that of the third resource and the fourth resource, that is, the overlapping resource is symbol 4-8.
  • the IAB MT can know which flexible symbols of the IAB DU The direction of has changed, which belongs to the internal implementation of the IAB node, then:
  • the symbol configured and/or indicated in IAB MT is DL symbol (corresponding to the above scheme 3), or the configuration and/or indicated symbol of IAB MT is flexible symbol (corresponding to scheme 5 above) and is defaulted to DL symbol
  • the IAB MT does not receive the corresponding transmission; or, the IAB MT does not receive on the corresponding overlapping symbols, which satisfies the semi-double or, the IAB MT receives on the corresponding symbol.
  • the IAB node supports simultaneous operation of MT reception and DU transmission, it supports IAB MT to receive on the corresponding symbol.
  • the symbol configured and/or indicated by the IAB MT is a UL symbol (corresponding to the above scheme 4), or the configuration and/or indicated symbol of the IAB MT is a flexible symbol (corresponding to the above scheme 5) and is defaulted to the UL symbol
  • the high-level configuration/DCI instructs the IAB MT to perform UL transmission/send on the corresponding symbol
  • the IAB MT will not send the corresponding transmission; or, the IAB MT will not send on the corresponding overlapping symbols, which is a new behavior. It is equivalent to disabling simultaneous operation that does not affect IAB DU; or, IAB MT sends on the corresponding symbol.
  • the IAB node when it supports simultaneous operation of MT transmission and DU transmission, it supports IAB MT to transmit on the corresponding symbol. For example, if part of the SRS symbol falls on the symbol from DU flexible to DL, the SRS on the overlapping overlap symbol will not be sent, but the non-overlap SRS symbol can be sent.
  • the symbol configured and/or indicated in IAB MT is DL symbol (corresponding to the above scheme 3), or the configuration and/or indicated symbol of IAB MT is flexible symbol (corresponding to scheme 5 above) and is defaulted to DL symbol
  • the IAB MT does not receive the corresponding transmission; or, the IAB MT does not receive on the corresponding overlapping symbols, which satisfies the semi-double or, the IAB MT receives on the corresponding symbol.
  • the IAB node supports simultaneous operation of MT reception and DU reception, it supports IAB MT reception on the corresponding symbol.
  • the symbol configured and/or indicated by the IAB MT is a UL symbol (corresponding to the above scheme 4), or the configuration and/or indicated symbol of the IAB MT is a flexible symbol (corresponding to the above scheme 5) and is defaulted to the UL symbol
  • the IAB MT does not transmit the corresponding transmission; or, the IAB MT does not transmit on the corresponding overlapping symbol; or, the IAB MT does not transmit on the corresponding symbol Send on the corresponding symbol.
  • the IAB node supports simultaneous operation of MT transmission and DU transmission, it supports IAB MT to transmit on the corresponding symbol.
  • the scheduling of the IAB MT and the scheduling of the IAB DU may be related to whether the IAB MT is prioritized or the IAB DU is prioritized in the transmission of the IAB node.
  • IAB MT priority or IAB DU priority can be determined according to a preset method, or it can be defaulted (or called as assumption) that IAB MT priority or IAB DU priority is the default.
  • the first resource is configured and/or indicated as a DL resource (corresponding to the above scheme 3), or the first resource is configured and/or indicated as a flexible resource (corresponding to the above scheme 5) and the first resource is defaulted
  • DL resources
  • the scheduling of IAB DU can meet at least one of the following:
  • the IAB DU is not sent or received on the second resource
  • IAB DU scheduling is performed under the condition that DL scheduling exists in the default IAB MT. That is, when IAB DU is scheduled, it does not affect the reception (performance) of IAB MT.
  • the scheduling of IAB MT can satisfy:
  • the IAB MT is scheduled with no transmission of the default IAB DU on the second resource.
  • the scheduling in the above (1) guarantees the priority of scheduling MTs
  • the scheduling/transmission of the IAB DU/MT in the above (1) is performed on the premise that the IAB MT is prioritized.
  • the first resource is configured and/or indicated as a DL resource (corresponding to the above-mentioned solution 3), or the first resource is configured and/or indicated as a flexible resource (corresponding to the above-mentioned solution 5) and the first resource is defaulted
  • DL resources DL resources
  • the scheduling of IAB DU can meet at least one of the following:
  • the IAB DU is UL transmission on the second resource
  • the IAB DU is transmitted as DL on the second resource
  • the IAB DU is transmitted on the second resource.
  • the scheduling of IAB MT can meet at least one of the following:
  • the reception of IAB MT is not scheduled on the first resource
  • the IAB MT is scheduled.
  • the IAB DU/MT scheduling in (2) above is the scheduling/transmission performed on the premise that the IAB DU is prioritized.
  • IAB DU transmission it can be IAB DU reception, that is, IAB DU schedules sub-IAB nodes to send, that is, UL transmission; it can also be IAB DU transmission, that is, IAB DU instructs sub-IAB nodes to receive, that is, DL transmission.
  • the first resource is configured and/or indicated as UL resources (corresponding to the above scheme 4), or the first resource is configured and/or indicated as flexible resources (corresponding to the above scheme 5) and the first resource is defaulted
  • UL resources
  • the scheduling of IAB DU can meet at least one of the following:
  • the IAB DU is not sent or received on the second resource
  • the IAB DU is scheduled under the condition that the default IAB MT has UL scheduling.
  • the scheduling of IAB MT can satisfy:
  • the IAB MT is scheduled with no transmission of the default IAB DU on the second resource.
  • the scheduling priority in (3) above guarantees the scheduling of IAB MT
  • the scheduling/transmission of IAB DU/MT in (3) above is performed on the premise that IAB MT is prioritized.
  • the first resource is configured and/or indicated as a UL resource (corresponding to the above scheme 4), or the first resource is configured and/or indicated as a flexible resource (corresponding to the above scheme 5) and the first resource is defaulted
  • UL resources :
  • the scheduling of IAB DU can meet at least one of the following:
  • the IAB DU is UL transmission on the second resource
  • the IAB DU is transmitted as DL on the second resource
  • the IAB DU is transmitted on the second resource
  • the scheduling of IAB MT satisfies at least one of the following:
  • the transmission of IAB MT is not scheduled on the first resource
  • the IAB MT is scheduled.
  • the IAB DU/MT scheduling in (4) above is the scheduling/transmission performed on the premise that the IAB DU is prioritized.
  • IAB DU transmission it can be IAB DU reception, that is, IAB DU schedules sub-IAB nodes to send, that is, UL transmission; it can also be IAB DU transmission, that is, IAB DU instructs sub-IAB nodes to receive, that is, DL transmission.
  • the symbol configured and/or indicated by the IAB MT is a DL symbol (corresponding to the third scheme above), or the configuration and/or indicated symbol of the IAB MT is flexible
  • the symbol (corresponding to the above scheme 5) is defaulted as DL symbol
  • the configuration and/or indicated symbol of IAB DU is flexible symbol:
  • the scheduling of IAB DU meets at least one of the following:
  • IAB DU does not send/receive on Flexible symbol
  • IAB DU When IAB DU is scheduled, it does not affect the reception (performance) of IAB MT; that is, when DU is scheduled, it is assumed that MT has DL scheduling.
  • IAB MT transmission/reception when the parent IAB node schedules MT, it is assumed that there is no transmission of IAB DU.
  • the IAB MT does not receive on the corresponding symbol; or, the parent IAB node does not schedule the MT to receive on the corresponding symbol;
  • IAB MT transmission/reception when the parent IAB node schedules MT, the default transmission on the Flexible symbol of the IAB DU is UL or DL;
  • the scheduling of IAB DU meets at least one of the following:
  • IAB DU When IAB DU is transmitted as UL on Flexible symbol, it is assumed that MT DL and DU UL can be performed simultaneously;
  • IAB DU When IAB DU is transmitted as DL on Flexible symbol, it is assumed that MT DL and DU DL can be performed simultaneously;
  • the IAB MT has no scheduling, that is, the scheduling restriction of the IAB MT on the IAB DU is not considered.
  • the configuration and/or indicated symbol of the IAB MT is a UL symbol (corresponding to the above scheme 4), or the configuration and/or indicated symbol of the IAB MT is a flexible symbol (corresponding to the above scheme 5) and is defaulted to UL symbol, and the configuration and/or indicated symbol of the IAB DU is a flexible symbol,
  • the scheduling of IAB DU meets at least one of the following:
  • IAB DU does not send/receive on Flexible symbol
  • IAB DU When IAB DU is scheduled, it does not affect the reception (performance) of IAB MT; that is, when DU is scheduled, it is assumed that IAB MT has UL scheduling.
  • IAB MT transmission/send in other words, when the parent IAB node schedules MT, it is assumed that there is no transmission of IAB DU.
  • IAB MT does not send on the corresponding symbol; or, the parent IAB node does not schedule MT to send on the corresponding symbol;
  • IAB MT transmission/send when the parent IAB node schedules MT, the default transmission of the Flexible symbol of the IAB DU is UL or DL;
  • the scheduling of IAB DU meets at least one of the following:
  • IAB DU When IAB DU is transmitted as UL on Flexible symbol, it is assumed that MT DL and DU UL can be performed simultaneously;
  • IAB DU When IAB DU is transmitted as DL on Flexible symbol, it is assumed that MT DL and DU DL can be performed simultaneously;
  • the IAB MT has no scheduling, that is, the scheduling restriction of the IAB MT on the IAB DU is not considered.
  • the CU of the donor IAB node and/or the parent IAB node may send the preferred time domain resource configuration such as time division duplex (TDD) configuration to the IAB MT/DU.
  • TDD time division duplex
  • the IAB MT may receive preferred time-domain resource configurations from the parent IAB node and/or the donor IAB node. Further, the IAB MT can receive the preferred time domain resource configuration through at least one of the following: signaling in the F1-AP, protocol data unit (Protocol Data Unit, PDU) of the backhaul access protocol (Backhaul adaptation protocol, BAP) ), RRC information and DCI.
  • PDU Protocol Data Unit
  • BAP Backhaul adaptation protocol
  • DCI DCI
  • the IAB DU can receive preferred time-domain resource configurations from the parent IAB node and/or the donor IAB node. Further, the IAB DU can receive the preferred time-domain resource configuration through at least one of the following: signaling in the F1-AP, BAP PDU, RRC information and DCI. In this case, the parent IAB node can also configure the resource direction of the IAB DU.
  • DCI may be a new DCI format, a new Radio Network Tempory Identity (RNTI), a new search space and/or a new control resource set CORESET, etc.
  • RNTI Radio Network Tempory Identity
  • the aforementioned DCI is, for example, DU-SFI.
  • the scheduling signaling received by the IAB node includes: the scheduling signaling of the IAB MT.
  • the scheduling signaling of the IAB MT can be determined by the parent IAB node according to the content reported by the IAB node and/or the actual scheduling of the IAB DU.
  • the parent IAB node may refer to it, but in the specific scheduling, if there is a conflict, it is still hoped that the IAB DU will avoid this resource, so the IAB DU needs to Know the schedule of IAB MT.
  • the scheduling signaling of the IAB MT can satisfy at least one of the following:
  • the scheduling signaling of the IAB MT is effective signaling.
  • M is an integer greater than or equal to 0.
  • M the maximum value of M, and/or the minimum value of M may be at least one of the following: a predefined parameter, a preconfigured parameter, a parameter configured by a high layer, and a parameter indicated by a parent IAB node.
  • the above time unit includes but not limited to: symbol, time slot, frame, microsecond, millisecond, second and so on.
  • IAB DU takes the latest received effective IAB MT scheduling as the effective scheduling.
  • the effective duration, the maximum effective duration, or the minimum effective duration of IAB MT scheduling is at least one of the following: predefined parameters, pre-configured parameters, high-level configured parameters, and parameters indicated by the parent IAB node.
  • the effective time of IAB MT scheduling corresponds to the application time of the multiplexing mode of IAB MT and IAB DU.
  • the multiplexing mode of IAB MT and IAB DU can be a multiplexing mode of semi-static/dynamic configuration.
  • the four multiplexing methods of simultaneous transmission/same reception/one transmission and one reception of IAB MT and IAB DU may not be applied to the time domain resources where IAB DU is configured as a flexible symbol, or whether to apply it according to the instruction on the IAB node.
  • the IAB node may determine that the multiplexing mode of the IAB MT and the IAB DU is not applied to the configuration of the IAB DU and/or resources indicated as flexible resources. And/or, the IAB node can determine whether the multiplexing mode of the IAB MT and the IAB DU is applied to or not applied to the configuration of the IAB DU and/or resources indicated as flexible resources according to the indication of the parent IAB node and/or the donor IAB node.
  • the parent IAB node can indicate through F1-AP/high-level configuration/DCI that the multiplexing mode of simultaneous sending/receiving should not be applied or applied to the configuration of IAB DU and/or resources indicated as flexible resources.
  • Xbit(s) indication information is used to indicate whether the corresponding multiplexing method is applied to the configuration of the IAB DU and/or the resources indicated as flexible symbols.
  • the multiplexing mode of IAB MT and IAB DU can be configured semi-statically/dynamically.
  • the multiplexing method of IAB MT and IAB DU is applied to the IAB node, there is no priority relationship between the IAB MT and IAB DU, and the transmission behavior of the IAB node determined according to the multiplexing method can satisfy at least one of the following:
  • the first resource is configured and/or indicated as a DL resource (corresponding to the above scheme three), or the first resource is configured and/or indicated as a flexible resource (corresponding to the above scheme five) and the first resource is a DL resource by default, and
  • the transmission behavior of the IAB node includes MT reception and DU transmission;
  • the transmission behavior of the IAB node includes MT reception and DU reception;
  • the first resource is configured and/or indicated as a UL resource (corresponding to the above scheme 4), or the first resource is configured and/or indicated as a flexible resource (corresponding to the above scheme 5) and the first resource is the UL resource by default, and
  • the transmission behavior of the IAB node includes MT transmission and DU transmission;
  • the first resource is configured and/or indicated as a UL resource (corresponding to the above scheme 4), or the first resource is configured and/or indicated as a flexible resource (corresponding to the above scheme 5) and the first resource is the UL resource by default, and
  • the transmission behavior of the IAB node includes MT sending and DU receiving.
  • the CU configuration/parent IAB node can be used to indicate whether the multiplexing mode of IAB MT and IAB DU is applied to the IAB node, that is to say, whether to enable the above 1) to 4) rules about transmission behavior.
  • the IAB node may receive first configuration information from the donor IAB node, and the first configuration information indicates that the multiplexing mode of the IAB MT and the IAB DU is to be applied to or not to be applied to the IAB node.
  • the IAB node can receive indication information from the parent IAB node, and the indication information indicates that the multiplexing mode of the IAB MT and the IAB DU should be applied to or not applied to the IAB node.
  • the IAB node may also receive second configuration information from the donor IAB node, and the second configuration information is used to instruct the IAB node to determine whether the IAB MT priority or the IAB DU priority is determined according to a preset method. That is to say, the CU of the donor IAB node can configure the IAB node to judge whether IAB MT or IAB DU is prioritized according to the preset method. Among them, when there is an IAB node multiplexing restriction, the IAB DU can be limited to downlink transmission.
  • the above-mentioned judging whether IAB MT priority or IAB DU priority according to the preset method may include at least one of the following:
  • IAB DU has priority over IAB MT to use resources; conversely, IAB and MT have priority over IAB DU Use resources.
  • IAB DU will use resources first, otherwise, IAB MT will use resources first.
  • IAB DU will use resources first, otherwise, IAB MT will use resources first.
  • the CU may be configured to use or not use one or more of the above methods 1) to 3).
  • the IAB node may receive third configuration information from the donor IAB node, and the third configuration information is used to instruct the IAB node to use or not use a preset method to determine whether IAB MT priority or IAB DU priority.
  • the IAB node may request the CU to configure one or more of the above methods 1) to 3). Specifically, the IAB node sends a request message to the donor IAB node, and the request message is used to request the donor IAB node to configure a preset method, and the preset method is used to determine whether IAB MT priority or IAB DU priority.
  • the parent IAB node may schedule MT resource transmission according to the content reported by the IAB node and/or the capability of the IAB node.
  • the capability of the IAB node includes but not limited to: multiplexing capability, timing mode, power control mode, interference level and so on.
  • the IAB node can report the time domain resource configuration to the parent IAB node/CU.
  • the IAB node may send report content to the parent IAB node, and the report content is used by the parent IAB node to schedule resource transmission of the MT.
  • the parent IAB node can accurately schedule the resource transmission of the MT.
  • the reported content of the IAB node may include at least one of the following:
  • Part or all of the second resources are transformed into DL resources
  • Part or all of the second resources are transformed into UL resources
  • the IAB DU performs DL transmission/transmission on some or all of the second resources
  • the IAB DU performs UL reception/transmission on some or all of the second resources
  • Time-domain resource configuration/TDD configuration preferred by IAB DU
  • IAB MT preferred time domain resource configuration/TDD configuration IAB MT preferred time domain resource configuration/TDD configuration.
  • the IAB node can send the report content to the parent IAB node through at least one of the following: cell-specific reference signaling, uplink control information (Uplink Control Information, UCI), uplink slot format indication (Uplink Slot Format Indicator, UL -SFI), PUCCH, PUSCH, etc.
  • UL-SFI can be a new control information format, using the SFI table (table) for UL reporting; or, the time domain and/or frequency domain range in which UL-SFI takes effect is that the CU is configured as a flexible symbol for the DU within the time domain and/or frequency domain resources.
  • the reporting trigger of the IAB node satisfies at least one of the following:
  • the transmission direction of the second resource sends a transition trigger; for example, taking the second resource as a symbol, when the direction of the symbol changes, a report may be triggered.
  • the reporting time of the IAB node can meet at least one of the following:
  • Periodic positions include but are not limited to: report start position, report end position, report time, etc.
  • the reporting time of the IAB node when the reporting time of the IAB node is periodic, there may be a preset relationship between the reported content and the indication information of the reported content.
  • the preset relationship may be determined according to preconfigured/configured/indicated parameters. For example, a code point/message indicates that the time domain resource allocation has not changed.
  • it when reporting periodically, it can also be triggered corresponding to the change of resource direction. For example: if the direction of the symbol changes, wait until the position of the periodic reporting opportunity occasion and then report. If there is no symbol direction change, a preset value information is reported periodically at the position.
  • N is an integer greater than or equal to 0.
  • the time unit includes, but is not limited to: symbol, time slot, frame, microsecond, millisecond, second, etc.
  • N may be at least one of the following: a predefined parameter, a preconfigured parameter, a parameter configured by a high layer, and a parameter indicated by a parent IAB node.
  • N time units may be a preparation time for reporting content, and if triggered by PUSCH reporting, may be a preparation time for PUSCH.
  • the reporting time is at least one of the following: predefined parameters, pre-configured parameters, parameters configured by high-level layers, and parameters indicated by the parent IAB node.
  • high-level configurations/instructions use event-triggered reporting for a certain period of time, and periodic reporting for a certain period of time.
  • the parent IAB node can schedule MT resource transmission according to the content reported by the IAB node.
  • the scheduling signaling received by the IAB node may satisfy at least one of the following:
  • the reception of the IAB MT is not scheduled on the fifth resource; that is, the parent IAB node does not schedule the reception of the IAB MT on the fifth resource;
  • the transmission of the IAB MT is scheduled on the fifth resource; that is, the parent IAB node can schedule the transmission of the IAB MT on the fifth resource.
  • the fifth resource is a resource in the first resource that corresponds to a resource converted into a DL resource in the second resource.
  • This correspondence can be understood as the same time-domain resource, and the frequency-domain resource is not limited and can be the same It can also be different.
  • the scheduling signaling received by the IAB node may satisfy at least one of the following:
  • the reception of the IAB MT is scheduled on the sixth resource; that is, the parent IAB node can schedule the reception of the IAB MT on the sixth resource;
  • the transmission of the IAB MT is not scheduled on the sixth resource; that is, the parent IAB node does not schedule the transmission of the IAB MT on the sixth resource.
  • the sixth resource is a resource in the first resource that corresponds to a resource converted into a UL resource in the second resource, and this correspondence can be understood as the same time domain resource, but the frequency domain resource is not limited.
  • FIG. 4 is a flowchart of a resource processing method provided in an embodiment of the present application. The method is executed by the parent IAB node. As shown in FIG. 4, the method includes the following steps:
  • Step 41 The parent IAB node sends a scheduling signaling to the IAB node.
  • the scheduling signaling is used for the IAB node to determine whether its MT has scheduling on the first resource.
  • the first resource is a resource configured by the IAB MT and/or indicated as a UL resource (such as the above scheme 4), a DL resource (such as the above scheme 3) or a flexible resource (such as the above scheme 5).
  • the first resource corresponds to the second resource, and the second resource is a configuration of the IAB DU and/or a resource indicated as a flexible resource.
  • the correspondence between the first resource and the second resource may be understood as: the first resource and the second resource are the same time-domain resources such as symbols.
  • the resource processing method of the embodiment of the present application by sending scheduling signaling to the IAB node from the parent IAB node, it is possible to specify the MT and/or DU when the corresponding resources of the MT and/or DU of the IAB node are configured as flexible resources. Scheduling transmission, so that the understanding of MT and DU is consistent, and the efficiency of system transmission is guaranteed. Furthermore, simultaneous transmission of IAB MT and IAB DU on flexible resources can also be achieved, thereby improving resource utilization.
  • the scheduling signaling is determined by the parent IAB node according to the content reported by the IAB node and/or the capability of the IAB node.
  • the reported content includes at least one of the following:
  • Part or all of the second resources are transformed into DL resources
  • Part or all of the second resources are transformed into UL resources
  • the IAB DU performs DL transmission on some or all of the resources in the second resource
  • the IAB DU performs UL reception on some or all of the resources in the second resource
  • IAB MT preferred time-domain resource allocation.
  • the reported content is received through at least one of the following:
  • the triggering of the reported content satisfies at least one of the following:
  • the transmission direction of the second resource sends the transition trigger.
  • the reporting time of the reported content satisfies at least one of the following:
  • the reporting time is at least one of the following: predefined parameters, pre-configured parameters, parameters configured by higher layers, and parameters indicated by the parent IAB node.
  • the scheduling signaling satisfies at least one of the following:
  • the reception of the IAB MT is not scheduled on the fifth resource;
  • the first resource configuration and/or indication is a UL resource, or the first resource configuration and/or indication is a flexible resource and the default first resource is a UL resource, scheduling the transmission of the IAB MT on the fifth resource;
  • the fifth resource is a resource in the first resource and corresponding to a resource converted into a DL resource in the second resource.
  • the scheduling signaling satisfies at least one of:
  • the first resource configuration and/or indication is a DL resource, or the first resource configuration and/or indication is a flexible resource and the default first resource is a DL resource, scheduling the reception of the IAB MT on the sixth resource;
  • the sixth resource does not schedule the transmission of the IAB MT;
  • the sixth resource is a resource in the first resource and corresponding to a resource converted into a UL resource in the second resource.
  • the scheduling signaling includes: IAB MT scheduling signaling; the IAB MT scheduling signaling meets at least one of the following:
  • the scheduling signaling of the MT is effective signaling;
  • the M is an integer greater than or equal to 0;
  • IAB DU takes the latest received effective IAB MT scheduling as the effective scheduling
  • the effective duration, the maximum effective duration, or the minimum effective duration of IAB MT scheduling is at least one of the following: predefined parameters, pre-configured parameters, high-level configured parameters, and parameters indicated by the parent IAB node;
  • the effective time of IAB MT scheduling corresponds to the application time of the multiplexing mode of IAB MT and IAB DU.
  • the resource processing method provided in the embodiment of the present application may be executed by a resource processing device, or a control module in the resource processing device for executing the resource processing method.
  • the resource processing device provided in the embodiment of the present application is described by taking the resource processing device executing the resource processing method as an example.
  • FIG. 5 is a schematic structural diagram of a resource processing device provided by an embodiment of the present application, and the device is applied to an IAB node.
  • the resource processing device 50 includes:
  • the first receiving module 51 is used to receive the scheduling signaling of the IAB node from the parent IAB node;
  • a determining module 52 configured to determine whether the MT of the IAB node is scheduled on the first resource according to the scheduling signaling
  • the first resource is the configuration of the MT and/or a resource indicated as UL resource, DL resource or flexible resource; the first resource corresponds to the second resource, and the second resource is the IAB node A DU is configured and/or indicated as a resource for flexible resources.
  • the resource processing device 50 also includes:
  • an execution module configured to execute the first operation on the third resource
  • the third resource is a resource corresponding to a fourth resource among the first resources
  • the fourth resource is a resource transformed into a UL resource or a DL resource among the second resources
  • the first operation includes at least the following One item: send, receive, not send, not receive.
  • the execution module is specifically used for:
  • the first condition includes at least one of the following:
  • the third resource configuration and/or indication is a DL resource, or the third resource configuration and/or indication is a flexible resource and the third resource is a DL resource by default, and the fourth resource is a DL resource, And configure and/or instruct the IAB MT to perform DL reception on the third resource;
  • the third resource configuration and/or indication is a DL resource, or the third resource configuration and/or indication is a flexible resource and the third resource is a DL resource by default, and the fourth resource is a UL resource, And configure and/or instruct the IAB MT to perform DL reception on the third resource.
  • the execution module is specifically used for:
  • the second condition includes any of the following:
  • the third resource configuration and/or indication is a UL resource, or the third resource configuration and/or indication is a flexible resource and the third resource is a UL resource by default, and the fourth resource is a DL resource, And configure and/or instruct the IAB MT to perform UL transmission on the third resource;
  • the third resource configuration and/or indication is a UL resource, or the third resource configuration and/or indication is a flexible resource and the third resource is a UL resource by default, and the fourth resource is a UL resource, And configure and/or instruct the IAB MT to perform UL transmission on the third resource.
  • the execution module is also used for:
  • the reception is performed on the third resource.
  • the execution module is also used for:
  • the sending is performed on the third resource.
  • the first resource configuration and/or indication is a DL resource
  • the first resource configuration and/or indication is a flexible resource and the default first resource is a DL resource
  • the scheduling of IAB DU meets at least one of the following:
  • the IAB DU is not sent or received on the second resource
  • Scheduling of IAB DU is performed under the condition that DL scheduling exists in the default IAB MT;
  • the IAB MT is scheduled.
  • the first resource configuration and/or indication is a DL resource
  • the first resource configuration and/or indication is a flexible resource and the default first resource is a DL resource
  • the scheduling of IAB DU meets at least one of the following:
  • the IAB DU is UL transmission on the second resource
  • the IAB DU is transmitted as DL on the second resource
  • the scheduling of IAB MT meets at least one of the following:
  • the reception of IAB MT is not scheduled on the first resource
  • the IAB MT is scheduled.
  • the first resource configuration and/or indication is a UL resource
  • the first resource configuration and/or indication is a flexible resource and the first resource is a UL resource by default
  • the scheduling of IAB DU meets at least one of the following:
  • the IAB DU is not sent or received on the second resource
  • IAB DU scheduling is performed under the condition that the default IAB MT has UL scheduling
  • the IAB MT is scheduled with no transmission of the default IAB DU on the second resource.
  • the first resource configuration and/or indication is a UL resource
  • the first resource configuration and/or indication is a flexible resource and the first resource is a UL resource by default
  • the scheduling of IAB DU meets at least one of the following:
  • the IAB DU is UL transmission on the second resource
  • the IAB DU is transmitted as DL on the second resource
  • the IAB DU is transmitted on the second resource
  • the scheduling of IAB MT meets at least one of the following:
  • the transmission of IAB MT is not scheduled on the first resource
  • the IAB MT is scheduled.
  • the scheduling of the IAB MT and the scheduling of the IAB DU are related to whether the IAB MT is prioritized or the IAB DU is prioritized in the transmission of the IAB node.
  • the resource processing device 50 also includes:
  • the second receiving module which is located in the IAB MT, is used to receive the preferred time domain resource configuration from the parent IAB node and/or the donor IAB node;
  • the third receiving module is located in the IAB DU, and is used to receive the preferred time-domain resource configuration from the parent IAB node and/or the donor IAB node.
  • the second receiving module is specifically configured to receive the preferred time-domain resource configuration from the parent IAB node and/or the donor IAB node through at least one of the following: signaling in F1-AP, BAP PDU, RRC information, DCI .
  • the third receiving module is specifically configured to receive preferred time-domain resource configuration from the parent IAB node and/or the donor IAB node through at least one of the following: signaling in F1-AP, BAP PDU, RRC information, DCI .
  • the scheduling signaling includes: IAB MT scheduling signaling; the IAB MT scheduling signaling meets at least one of the following:
  • the scheduling signaling of the IAB MT is effective signaling;
  • the M is an integer greater than or equal to 0;
  • IAB DU takes the latest received effective IAB MT scheduling as the effective scheduling
  • the effective duration, the maximum effective duration, or the minimum effective duration of IAB MT scheduling is at least one of the following: predefined parameters, pre-configured parameters, high-level configured parameters, and parameters indicated by the parent IAB node;
  • the effective time of the scheduling of IAB MT corresponds to the application time of the multiplexing mode of IAB MT and IAB DU.
  • the determining module 52 is also configured to perform at least one of the following:
  • the instructions of the parent IAB node and/or the donor IAB node determine whether the multiplexing mode of the IAB MT and IAB DU is applied or not applied to the configuration of the IAB DU and/or resources indicated as flexible resources.
  • the transmission behavior of the IAB node determined according to the multiplexing mode satisfies at least one of the following:
  • the transmission of the IAB node Behaviors include MT reception and DU transmission;
  • the transmission of the IAB node Behaviors include MT reception and DU reception;
  • the transmission of the IAB node Behaviors include MT sending and DU sending;
  • the transmission of the IAB node Behaviors include MT sending and DU receiving.
  • the first receiving module 51 is also configured to perform at least one of the following:
  • the first configuration information indicates that the multiplexing mode of the IAB MT and the IAB DU is applied to or not applied to the IAB node;
  • Receive indication information from the parent IAB node and the indication information indicates that the multiplexing mode of the IAB MT and the IAB DU is applied or not applied to the IAB node.
  • the first receiving module 51 is also used for:
  • the second configuration information is received from the donor IAB node; wherein, the second configuration information is used to instruct the IAB node to determine whether the IAB MT priority or the IAB DU priority is determined according to a preset method.
  • the judging whether IAB MT priority or IAB DU priority according to a preset method includes at least one of the following:
  • the IAB MT priority or the IAB DU priority is given priority.
  • the first receiving module 51 is also used for:
  • the third configuration information is received from the donor IAB node, and the third configuration information is used to instruct the IAB node to use or not use a preset method to determine whether IAB MT priority or IAB DU priority.
  • the resource processing device 50 also includes:
  • the first sending module is used to send request information to the donor IAB node, wherein the request information is used to request the donor IAB node to configure a preset method, and the preset method is used to determine whether IAB MT priority or IAB DU priority.
  • the resource processing device 50 also includes:
  • the second sending module is configured to send the reported content to the parent IAB node; wherein, the reported content is used by the parent IAB node to schedule resource transmission of the IAB MT.
  • the reported content includes at least one of the following:
  • Part or all of the second resources are transformed into DL resources
  • Part or all of the second resources are transformed into UL resources
  • the IAB DU performs DL transmission on some or all of the resources in the second resource
  • the IAB DU performs UL reception on some or all of the resources in the second resource
  • Time-domain resource allocation favored by IAB MT is favored by IAB MT.
  • the second sending module is specifically used for:
  • Uplink control information UCI uplink control information
  • uplink time slot format indication UL-SFI uplink control channel PUCCH
  • physical uplink shared channel PUSCH physical uplink shared channel
  • the triggering of the reported content satisfies at least one of the following:
  • Periodic trigger the transmission direction of the second resource sends a transition trigger.
  • the reporting time of the reported content satisfies at least one of the following:
  • Periodic related to the reporting trigger time; the reporting time is at least one of the following: predefined parameters, pre-configured parameters, parameters configured by high-level layers, and parameters indicated by the parent IAB node.
  • reporting time when the reporting time is periodic, there is a preset relationship between the reporting content and the indication information of the reporting content.
  • N time units are separated between the reporting time and the reporting triggering time; the N is an integer greater than or equal to 0.
  • the scheduling signaling satisfies at least one of the following:
  • the reception of the IAB MT is not scheduled on the fifth resource;
  • the first resource configuration and/or indication is a UL resource, or the first resource configuration and/or indication is a flexible resource and the default first resource is a UL resource, scheduling the transmission of the IAB MT on the fifth resource;
  • the fifth resource is a resource in the first resource and corresponding to a resource converted into a DL resource in the second resource.
  • the scheduling signaling satisfies at least one of:
  • the first resource configuration and/or indication is a DL resource, or the first resource configuration and/or indication is a flexible resource and the default first resource is a DL resource, scheduling the reception of the IAB MT on the sixth resource;
  • the sixth resource does not schedule the transmission of the IAB MT;
  • the sixth resource is a resource in the first resource and corresponding to a resource converted into a UL resource in the second resource.
  • the resource processing device 50 provided by the embodiment of the present application can realize each process realized by the method embodiment shown in FIG. 3 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • FIG. 6 is a schematic structural diagram of a resource processing device provided by an embodiment of the present application, and the device is applied to a parent IAB node.
  • the resource processing device 60 includes:
  • the third sending module 61 is configured to send scheduling signaling to the IAB node
  • the scheduling signaling is used by the IAB node to determine whether the MT of the IAB node is scheduled on the first resource;
  • the first resource is the configuration of the MT and/or indicates UL resources, DL resources Or a resource of a flexible resource;
  • the first resource corresponds to a second resource, and the second resource is a configuration of a DU of the IAB node and/or a resource indicated as a flexible resource.
  • the scheduling signaling is determined by the parent IAB node according to the content reported by the IAB node and/or the capability of the IAB node.
  • the reported content includes at least one of the following:
  • Part or all of the second resources are transformed into DL resources
  • Part or all of the second resources are transformed into UL resources
  • the IAB DU performs DL transmission on some or all of the resources in the second resource
  • the IAB DU performs UL reception on some or all of the resources in the second resource
  • IAB MT preferred time-domain resource allocation.
  • the reported content is received through at least one of the following:
  • the triggering of the reported content satisfies at least one of the following:
  • the transmission direction of the second resource sends the transition trigger.
  • the reporting time of the reported content satisfies at least one of the following:
  • the reporting time is at least one of the following: predefined parameters, pre-configured parameters, parameters configured by higher layers, and parameters indicated by the parent IAB node.
  • the scheduling signaling satisfies at least one of the following:
  • the reception of the IAB MT is not scheduled on the fifth resource;
  • the first resource configuration and/or indication is a UL resource, or the first resource configuration and/or indication is a flexible resource and the default first resource is a UL resource, scheduling the transmission of the IAB MT on the fifth resource;
  • the fifth resource is a resource in the first resource and corresponding to a resource converted into a DL resource in the second resource.
  • the scheduling signaling satisfies at least one of:
  • the first resource configuration and/or indication is a DL resource, or the first resource configuration and/or indication is a flexible resource and the default first resource is a DL resource, scheduling the reception of the IAB MT on the sixth resource;
  • the sixth resource does not schedule the transmission of the IAB MT;
  • the sixth resource is a resource in the first resource and corresponding to a resource converted into a UL resource in the second resource.
  • the scheduling signaling includes: IAB MT scheduling signaling; the IAB MT scheduling signaling meets at least one of the following:
  • the scheduling signaling of the MT is effective signaling;
  • the M is an integer greater than or equal to 0;
  • IAB DU takes the latest received effective IAB MT scheduling as the effective scheduling
  • the effective duration, the maximum effective duration, or the minimum effective duration of IAB MT scheduling is at least one of the following: predefined parameters, pre-configured parameters, high-level configured parameters, and parameters indicated by the parent IAB node;
  • the effective time of IAB MT scheduling corresponds to the application time of the multiplexing mode of IAB MT and IAB DU.
  • the resource processing device 60 provided in the embodiment of the present application can implement various processes implemented in the method embodiment shown in FIG. 4 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the resource processing device in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, a super mobile Personal computer (Ultra-Mobile Personal Computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle equipment (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE ), etc.
  • the non-mobile terminal can be a network attached storage (Network Attached Storage, NAS), a personal computer (Personal Computer, PC), a television (Television, TV), a teller machine or a self-service machine, etc., which are not specifically limited in this embodiment of the present application.
  • the embodiment of the present application further provides a communication device 70, including a processor 71, a memory 72, and programs or instructions stored in the memory 72 and operable on the processor 71,
  • a communication device 70 including a processor 71, a memory 72, and programs or instructions stored in the memory 72 and operable on the processor 71
  • the communication device 70 is an IAB node
  • the program or instruction is executed by the processor 71
  • various processes of the method embodiment shown in FIG. 3 can be implemented, and the same technical effect can be achieved.
  • the communication device 70 is a parent IAB node
  • the program or instruction is executed by the processor 71
  • the various processes of the above-mentioned method embodiment shown in FIG. 4 can be realized, and the same technical effect can be achieved. In order to avoid repetition, details are not repeated here. .
  • the embodiment of the present application also provides a communication device, including a processor and a communication interface, wherein, when the communication device is an IAB node, the communication interface is used to receive scheduling signaling from the parent IAB node, and the processor is used to determine according to the scheduling signaling Whether the IAB MT has scheduling on the first resource; or, when the communication device is a parent IAB node, the communication interface is used to send scheduling signaling to the IAB node; the scheduling signaling is used by the IAB node to determine that the IAB MT is on the first resource Whether there is scheduling on the network; the first resource is the configuration of the MT and/or the resources indicated as UL resources, DL resources or flexible resources; the first resource corresponds to the second resource, and the second resource is the configuration of the DU of the IAB node and/or Indicates a resource that is a flexible resource.
  • the communication device can implement each process of the resource processing method embodiment above, and can achieve the same technical effect, and to avoid repetition, details are not repeated here
  • FIG. 8 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 800 includes but is not limited to: a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809, and a processor 810, etc. at least some of the components.
  • the terminal 800 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 810 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • the terminal structure shown in FIG. 8 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 804 may include a graphics processor (Graphics Processing Unit, GPU) 8041 and a microphone 8042, and the graphics processor 8041 is used for the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 806 may include a display panel 8061, and the display panel 8061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 807 includes a touch panel 8071 and other input devices 8072 . Touch panel 8071, also known as touch screen.
  • the touch panel 8071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 8072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 801 receives the downlink data from the network side device, and processes it to the processor 810; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 801 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 809 can be used to store software programs or instructions as well as various data.
  • the memory 809 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 809 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
  • the processor 810 may include one or more processing units; optionally, the processor 810 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 810 .
  • the terminal 800 when the terminal 800 is an IAB node, when the programs or instructions stored in the memory 809 are executed by the processor 810, the various processes of the above-mentioned method embodiment shown in FIG. 3 can be implemented, and the same technical effect can be achieved; the terminal 800 is When the parent IAB node is used, when the program or instruction stored in the memory 809 is executed by the processor 810, the various processes of the above-mentioned method embodiment shown in FIG. 4 can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a readable storage medium, the readable storage medium stores a program or an instruction, and when the program or instruction is executed by a processor, each process of the above resource processing method embodiment is realized, and can achieve the same To avoid repetition, the technical effects will not be repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above resource processing method embodiment Each process can achieve the same technical effect, so in order to avoid repetition, it will not be repeated here.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • An embodiment of the present application further provides a computer program product, wherein the computer program product is stored in a non-transitory readable storage medium, and the computer program product is executed by at least one process to implement the resource processing method above.
  • the computer program product is stored in a non-transitory readable storage medium, and the computer program product is executed by at least one process to implement the resource processing method above.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the method and apparatus in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to make a communication device (which may be a mobile phone, a computer, a server, an air conditioner, or a network-side device, etc.) execute the methods described in various embodiments of the present application.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande concerne un procédé et un appareil de traitement de ressources, ainsi qu'un dispositif de communication et un support de stockage lisible, qui appartiennent au domaine technique des communications. Selon les modes de réalisation de la présente demande, le procédé de traitement de ressources comprend les étapes suivantes : un nœud IAB reçoit une signalisation de planification d'un nœud IAB parent, puis détermine, en fonction de la signalisation de planification, si un MT du nœud IAB effectue une planification sur une première ressource, la première ressource étant une ressource du MT qui est configurée et/ou indiquée en tant que ressource UL, ressource DL ou ressource flexible, la première ressource correspondant à une seconde ressource, et la seconde ressource étant une ressource d'une DU du nœud IAB qui est configurée et/ou indiquée en tant que ressource flexible.
PCT/CN2022/092712 2021-05-14 2022-05-13 Procédé et appareil de traitement de ressources, dispositif de communication et support de stockage lisible WO2022237895A1 (fr)

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