Transmission processing methods, apparatus, and communication equipment

Abstract

The present application discloses a transmission processing method, an apparatus and a communication device, the method being executed by a first node and including receiving first instruction information sent by a second node or sending first instruction information to a second node, the first instruction information being used to indicate a target multiplexing scheme of the first node, wherein the second node is a donor node or a parent node of the first node.

Description

Technical Field

[0001] (Cross-reference to Related Applications) This application claims the priority of Chinese Patent Application No. 202011323544.3 filed in China on November 23, 2020, and all the content of the application is incorporated herein by reference.

[0002] This application belongs to the technical field of communications, and specifically relates to a transmission processing method, apparatus, and communication device.

Background Art

[0003] In a communication system, an Integrated Access Backhaul (IAB) node can perform multiplexing capability reporting, and a donor node semi-statically allocates resources to the Distributed Unit (DU) of the IAB node based on the reported capabilities. The multiplexing capability of the IAB node is often not static and unchanged. There may be dynamic capability changes based on factors such as interference situations, beam selection characteristics, and power levels. The dynamic capability changes may be caused by changes in the wireless environment of the network and may also be due to data coordination of the IAB node for the upper and lower hops. Therefore, the conventional semi-static resource allocation situation cannot well adapt to the dynamic capability changes of the IAB node, reducing the reliability of IAB node multiplexing transmission.

Summary of the Invention

Problems to be Solved by the Invention

[0004] Embodiments of this application provide a transmission processing method, apparatus, and communication device, which can solve the problem of low reliability of IAB node multiplexing transmission due to dynamic capability changes of the IAB node.

Means for Solving the Problems

[0005] According to a first embodiment, a transmission processing method is provided which is performed by a first node, This includes receiving first instruction information transmitted by a second node or transmitting first instruction information to a second node, wherein the first instruction information is used to instruct the target multiplexing scheme of the first node. Here, the second node is either a donor node or the parent node of the first node.

[0006] According to a second aspect, a transmission processing method is provided which is performed by a second node, This includes receiving first instruction information transmitted by a first node or transmitting first instruction information to a first node, wherein the first instruction information is used to instruct the target multiplexing scheme of the first node. Here, the second node is either a donor node or the parent node of the first node.

[0007] According to a third aspect, a transmission processing device is provided, and this transmission processing device is It includes a first transmit / receive module for receiving first instruction information transmitted by a second node or for transmitting first instruction information to a second node, wherein the first instruction information is used to instruct the target multiplexing scheme of the first node. Here, the second node is either a donor node or the parent node of the first node.

[0008] According to the fourth aspect, a transmission processing device is provided, which transmission processing device is The system includes a second transmit / receive module for receiving first instruction information transmitted by a first node or for transmitting first instruction information to a first node, wherein the first instruction information is used to instruct the target multiplexing scheme of the first node.

[0009] According to the fifth aspect, a communication device is provided, the communication device including a processor, a memory, and a program or instruction stored in the memory and operable on the processor, wherein when the program or instruction is executed by the processor, a step of the method according to the first aspect is realized, or a step of the method according to the second aspect is realized.

[0010] According to the sixth aspect, a readable storage medium is provided on which a program or instruction is stored, and when the program or instruction is executed by a processor, a step of the method according to the first aspect is realized, or a step of the method according to the second aspect is realized.

[0011] According to the seventh aspect, an embodiment of the present application provides a chip comprising a processor and a communication interface, the communication interface being coupled with the processor, the processor being used to run programs or instructions for network equipment to implement a step of the method according to the first aspect or the method according to the second aspect.

[0012] According to the eighth aspect, a computer program product is provided, the computer program product being stored in a non-volatile storage medium, and the computer program product being executed by at least one processor to realize the method according to the first aspect or the method according to the second aspect. [Effects of the Invention]

[0013] In the embodiments of this application, the first instruction information is used to instruct the target multiplexing scheme of the first node by receiving the first instruction information transmitted by the second node or by transmitting the first instruction information to the second node, where the second node is a donor node or the parent node of the first node. In this way, the first node or the second node can determine the target multiplexing scheme of the first node and instruct the target multiplexing scheme of the first node by the first instruction information, thereby dynamically adjusting the multiplexing scheme of the first node by the first instruction information, improving the reliability of multiplexed transmission, improving the efficiency of system transmission, and reducing transmission delay. [Brief explanation of the drawing]

[0014] [Figure 1] This is a structural diagram of a network system to which the embodiments of this application can be applied. [Figure 2] This is a CU-DU structure diagram of the IAB system. [Figure 3] This is a structural diagram of another network system to which the embodiments of this application can be applied. [Figure 4] This is a flowchart of the transmission processing method according to the embodiment of this application. [Figure 5] This is a flowchart of another transmission processing method according to an embodiment of this application. [Figure 6] This is a flowchart of a transmission processing device according to an embodiment of this application. [Figure 7] This is a flowchart of a transmission processing device according to an embodiment of this application. [Figure 8] This is a structural diagram of a communication device according to an embodiment of this application. [Figure 9] This is a structural diagram of another communication device according to an embodiment of this application. [Modes for carrying out the invention]

[0015] The following clearly describes the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art shall fall within the protection scope of the present application.

[0016] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects and are not for describing a specific order or sequence. It should be understood that the data used in this way can be interchangeable when appropriate, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first" and "second" are generally of the same type, without limiting the number of objects. For example, the first object may be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally represents that the related objects before and after are in an "or" relationship.

[0017] It should be noted that the technologies described in the embodiments of this application are not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, but are also applicable to other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in the embodiments of this application are always used interchangeably, and the technologies described may be applied to the systems and radio technologies mentioned above, or to other systems and radio technologies. However, while the following description uses New Radio (NR) systems for illustrative purposes and largely employs NR terminology, these technologies may also be applied to applications other than NR systems, such as 6th Generation (6G) communication systems.

[0018] FIG. 1 shows a block diagram of an applicable wireless communication system according to an embodiment of the present application. The wireless communication system includes a terminal 11 and a network device 12, and the network device may be understood as an IAB node (IAB node). The IAB node includes a DU function part and a Mobile Termination (MT) function part. Through the MT, an access point (i.e., an IAB node) can find an upstream access point (parent IAB node), and establish a wireless connection with the DU of the upstream access point. This wireless connection is called a backhaul link. After an IAB node establishes a complete backhaul link, this IAB node opens its DU function, and the DU can provide cell services, that is, the DU can provide access services to the terminal (User Equipment, UE) 11. It can also provide services to the MT of the next-hop IAB node. A self-backhaul circuit includes a donor IAB node (which may also be called an IAB Donor), and the donor IAB node has a directly connected wired transmission network. It should be understood that the above access point may also be called a node, and the above upstream access point may also be called a parent node.

[0019] Here, terminal 11 may also be called terminal equipment or UE, and terminal 11 may be terminal-side equipment such as a mobile phone, tablet personal computer, laptop computer (or notebook computer), personal digital assistant (PDA), palmtop computer, netbook, ultra-mobile personal computer (UMPC), mobile internet device (MID), wearable device, or in-vehicle equipment (VUE), or pedestrian terminal (PUE), and wearable devices include bracelets, earphones, glasses, etc. It should be noted that this does not limit the specific type of terminal 11 in the embodiments of this application. The network equipment 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a B node, an evolved B node (eNB), a home B node, a home evolved B node, a WLAN access point, a WiFi node, a transmitting receiving point (TRP), or any other appropriate term in the art, as long as the same technical effect is achieved. The base station is not limited to any particular technical term, and for the purposes of this explanation, only a base station in an NR system is given as an example in the embodiments of this application, but this does not limit the specific type of base station.

[0020] Referring to Figure 2, which is a diagram of the Central Unit (CU)-DU structure of the IAB system. In a single self-backhaul loop, all IAB node DUs are connected to a single CU node, which deploys the DUs using the F1-AP protocol. The DUs deploy the MTs using the Radio Resource Control (RRC) protocol. Donor IAB nodes do not have the MT functional part.

[0021] For the sake of understanding, some aspects of the embodiments of this application will be explained below.

[0022] 1. A dual (duplexing) system using DU and MT.

[0023] The duplexing scheme between the DU and MT of an IAB node is divided into half-duplex and full-duplex schemes. In the case of full-duplex, the DU / MT can transmit and receive simultaneously; that is, one functional module can receive information while another functional module transmits information at the same time. Therefore, it is a frequency division multiplexing (FDM) or space division multiplexing (SDM) scheme, and the transmission and reception operation methods of the DU and MT have several variations as follows.

[0024] DU transmission (DU-TX) and MT-TX. That is, DU is located on the downlink (DL), MT is located on the uplink (UL), or actual DL transmission exists on DU and actual UL transmission exists on MT. DU reception (DU-RX) and MT-RX. That is, DU is located at UL, MT is located at DL, or DU has an actual UL reception and MT has an actual DL reception. DU-TX and MT-RX. That is, DU is located in DL, MT is located in DL, or DU has actual DL transmission and MT has actual DL reception. DU-RX and MT-TX. That is, DU is located at UL, MT is located at UL, or DU has actual UL reception and MT has actual UL transmission.

[0025] 2. Multiplexing method.

[0026] The three multiplexing methods—SDM, FDM, and Multiple Panel Transmission Reception (MPTR)—all relate to coordinated scheduling between cross-hops.

[0027] Here, SDM refers to a situation where a single IAB node simultaneously receives a Physical Downlink Shared Channel (PDSCH) from its IAB parent node and a Physical Uplink Shared Channel (PUSCH) from its sub-IAB node or UE on the same time-frequency resource, or where a single IAB node simultaneously transmits a PUSCH to its IAB parent node and a PDSCH to its sub-IAB node or UE on the same time-frequency resource.

[0028] FDM refers to a single IAB node simultaneously receiving a PDSCH from its IAB parent node and a PUSCH from its sub-IAB node or UE on different frequency resources, or a single IAB node simultaneously transmitting a PUSCH to its IAB parent node and a PDSCH to its sub-IAB node or UE on different frequency resources.

[0029] Full Duplex refers to a situation where one IAB node simultaneously receives a PDSCH from its IAB parent node and transmits a PDSCH to its sub-IAB nodes or UEs, or where one IAB node simultaneously transmits a PUSCH to its IAB parent node and receives a PUSCH from its sub-IAB nodes or UEs on the same time-frequency resource. MPTR is a technique where IAB nodes use different antenna modules (panels) to transmit and receive simultaneously. For example, one IAB node may be equipped with two antenna modules, and when one module receives, the other transmits. The transmitting and receiving antenna modules of an MPTR may have a high degree of isolation, which can reduce interference from transmission to reception to some extent.

[0030] As shown in Figure 3, the SDM / FDM / MPTR-based scheduling relationship for cross-hops in an IAB network is illustrated. Here, the hop between the first node IABN (IAB node) and the third node UE or sub-IAB node (Child IAB node, C-IABN) is called Hop1 and is scheduled by the first node, while the hop between the third IAB node and the second node is Hop2 and is scheduled by the second node. This second node is the IAB parent node (Parent IAB node, P-IABN) of the first node, and in this case, the following multiplexing scheme is in place between the DU and MT at the first node.

[0031] Multiplexing method 1 (SDM TX): MT TX, DU TX, Multiplexing method 2 (SDM RX): MT RX, DU RX, Multiplexing method 3 (FDM TX): MT TX, DU TX, Multiplexing method 4 (FDM RX): MT RX, DU RX, Multiplexing method 5 (MPTR UL): MT TX, DU RX, Multiplexing method 6 (MPTR DL): MT RX, DU TX, 3. Resource allocation for DU.

[0032] The Donor node CU configures the DU's resources through gNB-DU resource configuration signaling. Here, the direction of symbol transmission in each slot is configured, and the symbol direction includes at least one of DL symbols, UL symbols, and flexible uplink and downlink symbols. The availability status of each type of symbol in the DU is configured, including hard, soft, and not available configurations, where the availability status is based on the symbol type as the configuration unit, and specifically includes the following situations:

[0033] If the first object is placed hard, the IAB DU may autonomously perform the corresponding first operation on this symbol, which may include one of DL, UL, or flexible symbol. For example, if the first object is a DL symbol, the first operation is transmit; if the first object is a UL symbol, the first operation is receive; and if the first object is a flexible symbol, the first operation is transmit or receive.

[0034] If a DL / UL / flexible symbol is softly placed, the IAB DU may perform the first operation on this symbol if the first operation of the IAB DU does not affect the transmission or reception of the MT; otherwise, it will not perform the first operation on this symbol. Furthermore, the IAB parent node may indicate the availability status of the IAB DU's soft symbol slots by Downlink Control Information (DCI) format 2-5. If a DL / UL / flexible symbol is placed in the "not available" location, the IAB DU will neither send nor receive on this symbol.

[0035] 4. Resource allocation for MT.

[0036] MT resources are allocated by CU / parent nodes and configured using Time Division Duplex (TDD) configuration in RRC signaling, DCI signaling, etc. MT resource types are DL / UL / Flexible symbols.

[0037] In the following sections, the transmission processing method, apparatus, and communication equipment according to the embodiments of this application will be described in detail with reference to specific examples and their application scenarios, while also referring to the drawings.

[0038] Referring to Figure 4, Figure 4 is a flowchart of a transmission processing method according to an embodiment of the present application, which is performed by a first node and includes the following steps as shown in Figure 4.

[0039] In step 401, receive or transmit first instruction information transmitted by the second node, the first instruction information being used to instruct the target multiplexing scheme of the first node. Here, the second node is either a donor node or the parent node of the first node.

[0040] In the embodiments of this application, the first node may be understood as an IAB node. This target multiplexing scheme may also be understood as the multiplexed state ultimately transmitted and presented by the DU and MT at the first node, and specifically, this target multiplexing scheme may include any one of the multiplexing schemes 1 to 6 described above.

[0041] In some embodiments, the multiplexing scheme of the first node may be determined by a second node, in which case the action of the first node is to receive first instruction information transmitted by the second node. For example, the second node may first determine the target multiplexing scheme of the first node in multiple multiplexing schemes, and then transmit first instruction information to the first node based on the selected target multiplexing scheme.

[0042] In some embodiments, the first node may determine the current multiplexing scheme itself, in which case the action of the first node is to send first instruction information to the second node. For example, the first node first determines the target multiplexing scheme of the first node in the case of multiple multiplexing schemes, and then notifies the second node of the currently selected target multiplexing scheme by sending first instruction information to the second node based on the selected target multiplexing scheme.

[0043] The multiplexing scheme in the embodiments of this application may be understood as a scheduling plan, that is, the target multiplexing scheme may be understood as a target scheduling plan, for example, in some embodiments the first instruction information may be used to further instruct at least one of the DU scheduling and the MT scheduling. In other words, in embodiments of this application the first instruction information may determine the multiplexing scheme of the first node based on the DU scheduling and / or MT scheduling by instructing the DU scheduling and / or MT scheduling.

[0044] In the embodiments of this application, the first instruction information is used to instruct the target multiplexing scheme of the first node by receiving the first instruction information transmitted by the second node or by transmitting the first instruction information to the second node, where the second node is a donor node or the parent node of the first node. In this way, the first node or the second node can determine the target multiplexing scheme of the first node and instruct the target multiplexing scheme of the first node by the first instruction information, thereby dynamically adjusting the multiplexing scheme of the first node by the first instruction information, improving the reliability of multiplexed transmission, improving the efficiency of system transmission, and reducing transmission delay.

[0045] Selectively, in several embodiments, the method is This further includes transmitting or scheduling data according to the target multiplexing scheme.

[0046] Selectively, the first node performs transmission or scheduling according to the target multiplexing scheme. The DU at the first node may perform transmission or scheduling according to the target multiplexing scheme, for example, the DU at the first node may call a target resource according to the target multiplexing scheme, and this target resource is used for data transmission between the sub-IAB node or UE of the first node and the first node. The MT at the first node may be understood to include at least one of the following: that it may perform transmission according to the target multiplexing scheme. For example, the MT may perform data transmission with the parent node of the first node according to this target multiplexing scheme.

[0047] It should be explained that the first instruction information mentioned above may be a resource allocation for the DU or a resource allocation for the MT. If it is a resource allocation for the DU, the DU will transmit based on the first instruction information; if it is a resource allocation for the MT, the DU will transmit without affecting the MT transmission.

[0048] It should be understood that, in the embodiments of this application, transmission may be understood as either sending or receiving.

[0049] It should be explained that in the embodiments of this application, the transmission or scheduling may be periodic or aperiodic, for example, in some embodiments, scheduling or transmission may be performed according to the target multiplexing scheme described above. Performing periodic transmission or scheduling according to the aforementioned target multiplexing scheme, This includes at least one of the following: transmitting or scheduling data according to the target multiplexing scheme within a predetermined time period.

[0050] In the embodiments of this application, periodic transmission or scheduling may be performed within a predetermined time period, or only a single transmission or scheduling may be performed; no further limitations are imposed.

[0051] In some embodiments, the activation time window for the target multiplexing scheme may be indicated by carrying relevant parameters to the first instruction information described above. For example, if the activation times are arranged periodically, multiplexing scheme 1 may be enabled in period 1, and multiplexing scheme 2 may be enabled in period 2. Alternatively, the multiplexing scheme itself may carry a period value and change the period of the multiplexing scheme, that is, it may indicate the activation time window for the multiplexing scheme corresponding to the next multiplexed transmission.

[0052] Selectively, in some embodiments, after the step of receiving the first instruction information transmitted by the second node, the method proceeds as follows: If the first instruction information has not been received, the system further includes transmitting or scheduling according to the default multiplexing scheme.

[0053] It should be understood that, in the embodiments of this application, receiving instruction information transmitted by the second node is a receiving action of the first node. Specifically, the first node may have the action of receiving, but in reality, it may not be able to receive the information. For example, the second node may abandon transmitting the first instruction information due to network conditions, and in this case, transmission or scheduling may be performed based on the default multiplexing scheme.

[0054] Selectively, the absence of reception may be understood as either the first instruction information not being received, or, even if the first instruction information was received, the target multiplexing scheme not being able to demodulate and acquire it properly.

[0055] Here, the default multiplexing method may be determined by at least one of the following: pre-arrangement by the protocol, pre-configuration, and configuration. For example, one multiplexing method may be directly arranged, pre-configured, and configured by the protocol as the default multiplexing method, or multiple multiplexing methods may be arranged by the protocol, and then one of them may be pre-configured or configured as the default multiplexing method. Of course, other methods may be adopted in other embodiments, and these will not be explained further here.

[0056] Selectively, when the first node receives the first instruction information, the first instruction information is delivered to the Physical downlink control channel (PDCCH), downlink control information (DCI), Medium Access Control Control Element (MAC CE), Radio Resource control (RRC), UE assistance information, or backhaul access protocol (BAP) control protocol data unit (PDU).

[0057] Selectively, in some embodiments, the first instruction information includes target parameters related to the target multiplexing scheme, the target parameters including a code point of the PDCCH, a sequence of the Physical Uplink Control Channel (PUCCH), a cyclic offset of the PUCCH, a sequence of the Demodulation Reference Signal (DMRS), a cyclic offset of the PUCCH Demodulation Reference Signal (DMRS), and frequency hopping of the PUCCH Demodulation Reference Signal (DMRS).

[0058] In embodiments of this application, the mapping relationship between target parameters and multiplexing schemes may be arranged according to at least one of the following methods: pre-definition by protocol, pre-arrangement, and arrangement, and the target parameters can be carried to the first instruction information, thereby determining the target multiplexing scheme indicated by the first instruction information based on the mapping relationship between target parameters and multiplexing schemes. Here, pre-arrangement and arrangement may be performed by the CU of the donor node or by the IAB parent node, and no further limitations are imposed.

[0059] The code point of the above PDCCH may be understood as a bit value indicating an instruction on the PDCCH being carried, or it may be represented by, for example, N bits, and this code point is related to the multiplexing scheme, for example, code point 1 is related to multiplexing scheme 1, and code point 2 is related to multiplexing scheme 2. In other words, the code point of this PDCCH may be understood as an identifier of the multiplexing scheme, for example, code point 1 is adopted to represent multiplexing scheme 1, and code point 2 is represented to represent multiplexing scheme 2.

[0060] It should be understood that the above protocol pre-defines, pre-configures, or can configure the resource allocation of a target multiplexing scheme, and in some embodiments, the resource allocation of the target multiplexing scheme includes at least one of the following: time-domain position, period indication, time-domain resource indication, frequency-domain resource indication, spatial-domain resource indication, transmission stream number indication, beam indication, transmission arrangement indication, power indication, interference indication, and modulation and coding scheme (MCS) indication.

[0061] With respect to the above time-domain position, an offset value is included, for example, when a multiplexing scheme is carried to the PDCCH, and the time interval between the PDCCH and the multiplexing scheme is defined in advance as a. When an IAB node receives a scheduling plan carried to the PDCCH in slot n, the IAB node adopts the multiplexing scheme in slot (n+a) and performs scheduling or transmission. It should be understood that the specific time granularity of resource placement may be slots, symbols, subframes, or milliseconds, and the above explanation uses only one slot as an example. Here, a is a value of 0 or greater and may be a decimal. Selectively, the value of a is related to the subcarrier interval.

[0062] The above spatial domain resource instruction may also be a beam index.

[0063] The above power indication may be used specifically to indicate the magnitude of the power or the power utilization rate.

[0064] The above MCS instruction may be used to specify the MCS value or MCS range.

[0065] The above interference instructions may be understood as instructions to permit or deny interference. For example, if the interference conditions are not met, transmission or scheduling may be performed according to the target multiplexing scheme.

[0066] It should be explained that the method for activating the resource allocation described above may be periodic activation or event-triggered activation.

[0067] For example, in some embodiments, if the trigger is periodic, the target multiplexing scheme is enabled on the corresponding time-domain resource based on the period in which it is placed. Selectively, if the period is 0, it is enabled once.

[0068] If it is an event trigger, and the predefined / pre-configured / configured activation conditions are met, the corresponding multiplexing method will be enabled. If the activation conditions for the predefined / pre-configured / configured multiplexing method are not met, the current multiplexing method will not be changed, or the default multiplexing method will be adopted.

[0069] Selectively, in some embodiments, after the step of receiving the first instruction information transmitted by the second node, the method: If the first node does not support the target multiplexing scheme, the method further includes transmitting a second instruction to the second node, the second instruction being used to instruct the second node to terminate the target multiplexing scheme.

[0070] Of course, in other embodiments, the target multiplexing method is further performed by the IAB parent node. The formulaThe process may be terminated, for example, in some embodiments, when a multiplexing scheme for the first node has already been established, but changes in the wireless environment of the upper and lower hops (i.e., the first node and sub-IAB nodes or UE or IAB parent node) make the conventional multiplexing scheme unsuitable, the following actions are specifically taken:

[0071] The first node may send an instruction to its IAB parent node to terminate the up-and-down hop multiplexing scheduling, and after the IAB parent node receives the termination instruction, it will not use the hard resources of the sub-IAB-DU. An IAB parent node may send an instruction to its sub-IAB node to terminate up-and-down hop multiplexing scheduling, and when the sub-IAB node receives the termination instruction and its DU schedules a sub-IAB-MT or UE, it does not affect the transmit / receive behavior of that MT.

[0072] Selectively, both the first instruction information and the second instruction information include at least one of the following: a period instruction, a time offset, a time-domain resource instruction, a frequency-domain resource instruction, a resource placement type instruction, a transmission stream number instruction, a beam instruction, a power instruction, an interference instruction, and a modulation and coding scheme MCS instruction.

[0073] In the embodiments of this application, the contents contained in the first instruction information and the second instruction information may be the same or different, and are not further limited thereto. The type of resource arrangement described above is specifically: A first type which may be understood to include at least one of UL, DL, and Flexbile, A second type may include at least one of the following: a second type which may be understood to include at least one of Hard, Soft, and Not Available.

[0074] Selectively, in several embodiments, the method is The process further includes transmitting a third instruction to the second node, the third instruction being used to specify a recommended multiplexing scheme, and the recommended multiplexing scheme being used to determine the target multiplexing scheme.

[0075] In the embodiments of this application, the third instruction information may be carried in PUCCH, Uplink Control Information (UCI), or MAC CE. By reporting the recommended multiplexing scheme from the first node to the second node, it is possible to ensure that the target multiplexing scheme can be well applied to the first node, and further improve the reliability of the multiplexed transmission.

[0076] Selectively, the third instruction information includes at least one of the following: a sequence of the physical uplink control channel PUCCH, a cyclic offset of PUCCH, a sequence of the PUCCH demodulation reference signal DMRS, a cyclic offset of the PUCCH demodulation reference signal DMRS, frequency hopping of the PUCCH demodulation reference signal DMRS, and a code point of PUCCH.

[0077] It should be understood that if the second node mentioned above does not support the recommended multiplexing scheme, the target multiplexing scheme is the default multiplexing scheme.

[0078] In the embodiments of this application, the first node determines a recommended multiplexing scheme based on the conditions of the up-and-down hop network, but the second node may need to service multiple IAB subnodes, and if a conflict exists, or if the parent node of the second parent node schedules the transmission of the second node's MT, a conflict will occur with the scheduling of the second node's DU, in which case the second node cannot support the target multiplexing scheme of the first node, and the second node may instruct the first node to use a default multiplexing scheme, thereby ensuring the reliability of the multiplexed transmission.

[0079] It should be understood that the first node may report third instruction information periodically or by conditional triggers, that is, in some embodiments, the transmission of third instruction information to the second node as described above is: The first is to periodically receive third instruction information transmitted by the second node according to a predetermined period, This includes at least one of the following: sending a third instruction information to the second node when a pre-set reporting condition is met, Here, the reporting conditions are predefined, pre-configured, or pre-configured trigger conditions.

[0080] The first pre-set period described above may be determined by being predefined, pre-configured, or configured by the protocol, and no further limitations are imposed.

[0081] It should be explained that the instruction granularity related to the target multiplexing scheme includes at least one of M time units and N frequency domain units. Here, M and N are both positive integers, the time unit is a subframe, slot, symbol or period, and the frequency domain unit It includes a Physical Resource Block (PRB), a subband, a Precoding Resource Block Group (PRG), and a subcarrier or resource unit (Resource element, RE).

[0082] In addition, the instruction granularity related to the above recommended multiplexing scheme may include at least one of M1 time units and N1 frequency domain units. Here, M1 and N1 are both positive integers, and the aforementioned time unitThis is a subframe, slot, symbol, or period, and the frequency domain unit includes a physical resource block PRB, a subband, a pre-coding resource block group PRG, and a subcarrier or resource unit RE.

[0083] Selectively, in some embodiments, receiving the first instruction information transmitted by the second node includes receiving the first instruction information transmitted by the second node according to a second preset period.

[0084] In some embodiments, selectively, transmitting the first instruction information to the second node includes transmitting the first instruction information to the second node according to a third predetermined period.

[0085] In the embodiments of this application, the multiplexing scheme can be dynamically adjusted by periodically transmitting or receiving first instruction information, thereby improving the reliability of MT and DU multiplexing at the first node.

[0086] It should be explained that in some embodiments, the terminal may also report the IAB node's DU scheduling information to the IAB node that it is accessing, and this DU scheduling information is used to instruct the IAB node on scheduling. The IAB node may then perform transmission or scheduling based on the DU scheduling information reported by the terminal, that is, the DU in the IAB node may perform resource scheduling based on this DU scheduling information to enable transmission with the UE.

[0087] Furthermore, in the embodiments of this application, when the first node transmits first instruction information to the second node to notify the second node of the multiplexing scheme of the first node, the first instruction information may include any one of the following sequences of physical uplink control channel PUCCH, the cyclic offset of PUCCH, the sequence of PUCCH demodulation reference signal DMRS, the cyclic offset of PUCCH demodulation reference signal DMRS, the frequency hopping of PUCCH demodulation reference signal DMRS, and the code point of PUCCH.

[0088] For the above PUCCH sequence, sequence 1 may be adopted to represent multiplexing scheme 1, and sequence 2 may represent multiplexing scheme 2. For example, the first node can find the corresponding PUCCH sequence based on the multiplexing schemes it can support, and reports the PUCCH of the corresponding sequence to the IAB parent node. The IAB parent node then determines the target multiplexing scheme based on the received PUCCH sequence and the correspondence between the sequence and the multiplexing scheme.

[0089] It may be understood that for the code point of the above PUCCH, N bits of information are carried to the PUCCH to instruct the multiplexing scheme. The mapping relationship between each multiplexing scheme and a code point is predefined / pre-configured / configured by the protocol, and a sub-IAB node can determine the target multiplexing scheme to be instructed by the first node based on the code point of the received PUCCH. Here, the pre-configuration / configuration may be that of a donor node CU or an IAB parent node. For example, the first node finds the corresponding code point based on the acceptable multiplexing schemes and mapping relationships, sends the corresponding code point to the IAB parent node, and the IAB parent node obtains the corresponding multiplexing scheme based on the received code point and the mapping relationship between the code point and the multiplexing scheme.

[0090] The above UCI may be transmitted by PUCCH or multiplexed by PUSCH, and no further limitations are imposed here.

[0091] To better understand the realization of this application, the realization process will be described in detail below with reference to several embodiments.

[0092] Example 1 specifically includes the following flow.

[0093] 1. Define in advance the mapping relationship between the multiplexing method and the code points of the information carried to PUCCH. 2. The IAB node periodically reports a list of acceptable multiplexing schemes based on a predefined / (pre-)configured scheme, and based on an event trigger, and this list of multiplexing schemes includes one or more multiplexing schemes. Here, the IAB node carries the list of multiplexing schemes to MAC CE / PUCCH, or reports the list of multiplexing schemes via UE assistance information.

[0094] 3. The IAB node sends the PUCCH to the IAB parent node / donor node based on the list of supported multiplexing schemes and the mapping relationship between the multiplexing schemes and the code points of the information carried in the PUCCH.

[0095] 4. The IAB parent node / donor node obtains a list of corresponding multiplexing schemes based on the information received from the PUCCH and the mapping relationship between the multiplexing scheme and the code points of the information carried to the PUCCH. The IAB parent node determines the multiplexing scheme, and the multiplexing scheme instruction is carried to the PDCCH.

[0096] 5. The IAB node receives the PDCCH signaling in slot n and obtains the multiplexing scheme information and the activation time window for the multiplexing scheme. The IAB then uses the multiplexing scheme in slot n+a to transmit the resources.

[0097] Example 2 specifically includes the following flow.

[0098] 1. The IAB parent node / donor node shall be configured to periodically report scheduling plans and to specify the transmission period for scheduling plans.

[0099] 2. For resources in the reporting cycle where the IAB node is deployed, the MAC CE reports the scheduling plan list to the IAB parent node.

[0100] 3. The IAB parent node determines the scheduling plan, and the scheduling plan is delivered to the PDCCH. The scheduling plan includes the time window in which it will be activated.

[0101] 4. The IAB node performs scheduling based on the scheduling plan specified in the PDCCH, and in the scheduling plan activation window, it performs scheduling based on the specified scheduling plan.

[0102] It should be understood that in this embodiment, the IAB node periodically reports the scheduling plan, and the IAB node dynamically instructs the scheduling plan.

[0103] Referring to Figure 5, Figure 5 is a flowchart of another transmission processing method according to an embodiment of the present application, which is used for second node execution and includes the following steps as shown in Figure 5.

[0104] In step 501, receive or transmit first instruction information transmitted by the first node, and the first instruction information is used to instruct the target multiplexing scheme of the first node. Here, the second node is either a donor node or the parent node of the first node.

[0105] Selectively, the first instruction information is further used to instruct at least one of the following: scheduling of a distributed unit DU and scheduling of a mobile terminal MT.

[0106] When the first node selectively receives the first instruction information, the first instruction information is carried in the PDCCH, downlink control information DCI, media access control unit MAC CE, radio resource control RRC, or backhaul access protocol control protocol data unit.

[0107] Selectively, the first instruction information includes target parameters related to the target multiplexing scheme, the target parameters including one of the following: a code point of PDCCH, a sequence of the physical uplink control channel PUCCH, a cyclic offset of PUCCH, a sequence of the PUCCH demodulation reference signal DMRS, a cyclic offset of the PUCCH demodulation reference signal DMRS, and frequency hopping of the PUCCH demodulation reference signal DMRS.

[0108] Selectively, the resource allocation of the target multiplexing scheme includes at least one of the following: time-domain position, period indication, time-domain resource indication, frequency-domain resource indication, spatial-domain resource indication, transmission stream number indication, beam indication, transmission allocation indication, power indication, interference indication, and modulation and coding scheme MCS indication.

[0109] Selectively, after the step of receiving first instruction information transmitted by the first node, the method: The process further includes sending a fourth instruction to the first node if the second node does not support the target multiplexing scheme, the fourth instruction being used to indicate the termination of the target multiplexing scheme, where the second node is a donor node or the parent node of the first node.

[0110] Selectively, the first instruction information and the fourth instruction information each include at least one of the following: a period instruction, a time offset, a time-domain resource instruction, a frequency-domain resource instruction, a resource allocation type instruction, a transmission stream number instruction, a beam instruction, a power instruction, an interference instruction, and a modulation and coding scheme MCS instruction.

[0111] Selectively, the above method, The process includes receiving third instruction information transmitted by the first node, the third instruction information being used to specify a recommended multiplexing scheme, and the recommended multiplexing scheme being used to determine the target multiplexing scheme.

[0112] Selectively, the third instruction information includes at least one of the following: a sequence of the physical uplink control channel PUCCH, a cyclic offset of PUCCH, a sequence of the PUCCH demodulation reference signal DMRS, a cyclic offset of the PUCCH demodulation reference signal DMRS, frequency hopping of the PUCCH demodulation reference signal DMRS, and a code point of PUCCH.

[0113] Selectively, if the second node does not support the recommended multiplexing scheme, the target multiplexing scheme is the default multiplexing scheme, where the second node is a donor node or the parent node of the first node.

[0114] Selectively receiving third instruction information transmitted by the first node is: Receiving third instruction information transmitted by the first node according to a first predetermined period, This includes at least one of the following: receiving third instruction information transmitted by the first node when a pre-set reporting condition is met, Here, the reporting conditions are predefined, pre-configured, or pre-configured trigger conditions.

[0115] Selectively, the instruction granularity associated with the target multiplexing scheme includes at least one of M time units and N frequency domain units. Here, M and N are both positive integers, the time unit is a subframe, slot, symbol or period, and the frequency domain unitThis includes a physical resource block PRB, a subband, a pre-coded resource block group PRG, and a subcarrier or resource unit RE.

[0116] It should be explained that this embodiment is a second node embodiment corresponding to the embodiment shown in Figure 4, and its specific embodiment can be described by referring to the related description of the embodiment shown in Figure 4, and the same beneficial effects can be achieved. Therefore, in order to avoid repetition of the explanation, no further explanation will be given here.

[0117] It should be explained that the transmission processing method according to the embodiment of this application may be a transmission processing device as the execution body, or it may be a control module for executing the transmission processing method in this transmission processing device. In the embodiment of this application, the transmission processing device according to the embodiment of this application will be described as an example in which the transmission processing device executes the transmission processing method.

[0118] Referring to Figure 6, Figure 6 is a structural diagram of a transmission processing device according to an embodiment of this application, and as shown in Figure 6, the transmission processing device 600 is The system includes a first transmit / receive module 601 for receiving first instruction information transmitted by a second node or for transmitting first instruction information to a second node, wherein the first instruction information is used to instruct the target multiplexing scheme of the first node. Here, the second node is either a donor node or the parent node of the first node.

[0119] Selectively, the first instruction information is further used to instruct at least one of the following: scheduling of a distributed unit DU and scheduling of a mobile terminal MT.

[0120] Selectively, the first transmission module 601 is further used to perform transmission or scheduling according to the target multiplexing scheme.

[0121] Selectively, the first transmission module 601 specifically, Performing periodic transmission or scheduling according to the aforementioned target multiplexing scheme, This includes at least one of the following: transmitting or scheduling data according to the target multiplexing scheme within a predetermined time period.

[0122] Selectively, the first transmission module 601 is used to transmit or schedule according to a default multiplexing scheme when it does not receive the first instruction information.

[0123] When the first node selectively receives the first instruction information, the first instruction information is carried in the PDCCH, downlink control information DCI, media access control unit MAC CE, radio resource control RRC, or backhaul access protocol control protocol data unit.

[0124] Selectively, the first instruction information includes target parameters related to the target multiplexing scheme, the target parameters including one of the following: a code point of PDCCH, a sequence of the physical uplink control channel PUCCH, a cyclic offset of PUCCH, a sequence of the PUCCH demodulation reference signal DMRS, a cyclic offset of the PUCCH demodulation reference signal DMRS, and frequency hopping of the PUCCH demodulation reference signal DMRS.

[0125] Selectively, the resource allocation of the target multiplexing scheme includes at least one of the following: time-domain position, period indication, time-domain resource indication, frequency-domain resource indication, spatial-domain resource indication, transmission stream number indication, beam indication, transmission allocation indication, power indication, interference indication, and modulation and coding scheme MCS indication.

[0126] Selectively, the method for activating the resource allocation is either periodic activation or event-triggered activation.

[0127] After selectively receiving the first instruction information transmitted by the second node, the method: If the first node does not support the target multiplexing scheme, the method further includes transmitting a second instruction to the second node, the second instruction being used to instruct the second node to terminate the target multiplexing scheme.

[0128] Selectively, both the first instruction information and the second instruction information include at least one of the following: a period instruction, a time offset, a time-domain resource instruction, a frequency-domain resource instruction, a resource placement type instruction, a transmission stream number instruction, a beam instruction, a power instruction, an interference instruction, and a modulation and coding scheme MCS instruction.

[0129] Selectively, the first transmission module 601 is further used to transmit third instruction information to the second node, the third instruction information is used to instruct a recommended multiplexing scheme, and the recommended multiplexing scheme is used to determine the target multiplexing scheme.

[0130] Selectively, the third instruction information includes at least one of the following: a sequence of the physical uplink control channel PUCCH, a cyclic offset of PUCCH, a sequence of the PUCCH demodulation reference signal DMRS, a cyclic offset of the PUCCH demodulation reference signal DMRS, frequency hopping of the PUCCH demodulation reference signal DMRS, and a code point of PUCCH.

[0131] Selectively, if the second node does not support the recommended multiplexing scheme, the target multiplexing scheme is the default multiplexing scheme.

[0132] Selectively, the first transmission module 601 specifically, The first is to periodically receive third instruction information transmitted by the second node according to a predetermined period, This includes at least one of the following: sending a third instruction information to the second node when a pre-set reporting condition is met, Here, the reporting conditions are predefined, pre-configured, or pre-configured trigger conditions.

[0133] Selectively, the instruction granularity associated with the target multiplexing scheme includes at least one of M time units and N frequency domain units. Here, M and N are both positive integers, the time unit is a subframe, slot, symbol or period, and the frequency domain unit This includes a physical resource block PRB, a subband, a pre-coded resource block group PRG, and a subcarrier or resource unit RE.

[0134] Selectively, the first transmission module 601 is used to receive the first instruction information transmitted by the second node according to a second preset period.

[0135] Selectively, the first transmission module 601 is used to transmit the first instruction information to the second node according to a third preset period.

[0136] The transmission processing apparatus according to the embodiment of this application can implement each process in the embodiment of the method shown in Figure 4, and will not be described further here in order to avoid repetition.

[0137] Referring to Figure 7, Figure 7 is a structural diagram of a transmission processing apparatus according to an embodiment of the present application, and as shown in Figure 7, the transmission processing apparatus 700 is The system includes a second transmit / receive module 701 for receiving first instruction information transmitted by a first node or for transmitting first instruction information to a first node, wherein the first instruction information is used to specify the target multiplexing scheme of the first node.

[0138] Selectively, the first instruction information is further used to instruct at least one of the following: scheduling of a distributed unit DU and scheduling of a mobile terminal MT.

[0139] When the first node selectively receives the first instruction information, the first instruction information is carried in the PDCCH, downlink control information DCI, media access control unit MAC CE, radio resource control RRC, or backhaul access protocol control protocol data unit.

[0140] Selectively, the first instruction information includes target parameters related to the target multiplexing scheme, the target parameters including one of the following: a code point of PDCCH, a sequence of the physical uplink control channel PUCCH, a cyclic offset of PUCCH, a sequence of the PUCCH demodulation reference signal DMRS, a cyclic offset of the PUCCH demodulation reference signal DMRS, and frequency hopping of the PUCCH demodulation reference signal DMRS.

[0141] Selectively, the resource allocation of the target multiplexing scheme includes at least one of the following: time-domain position, period indication, time-domain resource indication, frequency-domain resource indication, spatial-domain resource indication, transmission stream number indication, beam indication, transmission allocation indication, power indication, interference indication, and modulation and coding scheme MCS indication.

[0142] Selectively, the second transmit / receive module 701 may further be used to transmit a fourth instruction to the first node if the second node does not support the target multiplexing scheme, the fourth instruction being used to indicate the termination of the target multiplexing scheme, where the second node is a donor node or the parent node of the first node.

[0143] Selectively, the first instruction information and the fourth instruction information each include at least one of the following: a period instruction, a time offset, a time-domain resource instruction, a frequency-domain resource instruction, a resource allocation type instruction, a transmission stream number instruction, a beam instruction, a power instruction, an interference instruction, and a modulation and coding scheme MCS instruction.

[0144] Selectively, the second transmit / receive module 701 is further used to receive third instruction information transmitted by the first node, the third instruction information is used to specify a recommended multiplexing scheme, and the recommended multiplexing scheme is used to determine the target multiplexing scheme.

[0145] Selectively, the third instruction information includes at least one of the following: a sequence of the physical uplink control channel PUCCH, a cyclic offset of PUCCH, a sequence of the PUCCH demodulation reference signal DMRS, a cyclic offset of the PUCCH demodulation reference signal DMRS, frequency hopping of the PUCCH demodulation reference signal DMRS, and a code point of PUCCH.

[0146] Selectively, if the second node does not support the recommended multiplexing scheme, the target multiplexing scheme is the default multiplexing scheme, where the second node is a donor node or the parent node of the first node.

[0147] Selectively, the second transmit / receive module 701 specifically, Receiving third instruction information transmitted by the first node according to a first predetermined period, This includes at least one of the following: receiving third instruction information transmitted by the first node when a pre-set reporting condition is met, Here, the reporting conditions are predefined, pre-configured, or pre-configured trigger conditions.

[0148] Selectively, the instruction granularity associated with the target multiplexing scheme includes at least one of M time units and N frequency domain units. Here, M and N are both positive integers, and the aforementioned time unit This is a subframe, slot, symbol, or period, and the frequency domain unit includes a physical resource block PRB, a subband, a pre-coding resource block group PRG, and a subcarrier or resource unit RE.

[0149] The transmission processing apparatus according to the embodiment of this application can implement each process in the embodiment of the method shown in Figure 5, and will not be described further here in order to avoid repetition.

[0150] The transmission processing device in the embodiments of this application may be a device, a component in a terminal, an integrated circuit, or a chip. This device may be a mobile terminal or a non-mobile terminal. Exemplary examples include, but are not limited to, the types of terminals 11 listed above. Non-mobile terminals may include servers, network-attached storage (NAS), personal computers (PCs), televisions (TVs), teller machines or self-service machines, and the embodiments of this application are not specifically limited.

[0151] The transmission processing device in the embodiments of this application may be a device having an operating system. This operating system may be the Android® operating system, the iOS operating system, or any other possible operating system, and the embodiments of this application are not specifically limited.

[0152] The transmission processing apparatus according to the embodiment of this application can implement each process realized by the embodiment of the method shown in Figures 4 to 5 and achieve the same technical effects, and to avoid repetition of the explanation, it will not be explained further here.

[0153] Selectively, as shown in Figure 8, embodiments of the present application further provide a communication device 800 comprising a processor 801, a memory 802, and a program or instruction stored in the memory 802 and operable on the processor 801, wherein when this program or instruction is executed by the processor 801, each process of the above-described transmission processing method embodiment can be realized and the same technical effects can be achieved. To avoid repetition, no further explanation is provided here.

[0154] Specifically, embodiments of this application further provide a communication device. As shown in Figure 9, this network device 900 includes an antenna 901, a radio frequency device 902, and a baseband device 903. The antenna 901 and the radio frequency device 902 are connected. In the uplink direction, the radio frequency device 902 receives information via the antenna 901 and transmits the received information to the baseband device 903 for processing. In the downlink direction, the baseband device 903 processes information to be transmitted and transmits it to the radio frequency device 902, which processes the received information and then transmits it via the antenna 901.

[0155] The above-mentioned frequency band processing device may be located in the baseband device 903, and the method performed by the communication equipment in the above embodiment may be implemented in the baseband device 903, which includes a processor 904 and a memory 905.

[0156] The baseband device 903 may include, for example, at least one baseband board on which multiple chips are installed, and as shown in Figure 9, one of the chips is, for example, a processor 904, which is connected to memory 905 and calls a program in memory 905 to perform the network equipment operations shown in the embodiment of the above method.

[0157] The baseband device 903 may further include a network interface 906 used for exchanging information with the radio frequency device 902, which is, for example, a common public radio interface (CPRI).

[0158] Specifically, the communication device of the embodiment of this application further includes instructions or programs stored in memory 905 and operable on processor 904, the processor 904 can call instructions or programs in memory 905 and perform the same technical effects as those performed by the modules shown in Figure 6 or 7, and will not be described further here to avoid repetition.

[0159] Embodiments of this application further provide a readable storage medium in which a program or instruction is stored, and when this program or instruction is executed by a processor, each process of the embodiment of the transmission processing method described above can be realized and the same technical effects can be achieved. To avoid repetition, no further explanation is provided here.

[0160] Here, the processor is the processor in the communication device in the above embodiment. The readable storage medium includes computer-readable storage media such as computer read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0161] Embodiments of this application further provide a chip comprising a processor and a communication interface, the communication interface being coupled with the processor, the processor being used to run programs or instructions for network equipment and to implement each process of the embodiment of the transmission processing method described above, and achieving the same technical effects. To avoid repetition, no further explanation is provided here.

[0162] It should be understood that the chips referred to in the embodiments of this application may also be called system-level chips, system chips, chip systems, or system-on-a-chip, etc.

[0163] It should be noted that, in this specification, the terms “include,” “incorporate,” or any other variation thereof are intended to cover the non-exclusive “include,” thereby including not only those elements but also other elements not explicitly listed, or elements specific to such process, method, article, or apparatus. Unless otherwise specified, an element limited by the phrase “includes one of…” is not excluded from the existence of other identical elements in a process, method, article, or apparatus containing that element. It should also be noted that the scope of methods and apparatus in embodiments of this application is not limited to performing functions in the order illustrated or discussed, but may include performing functions in a manner that is essentially simultaneous or in reverse order based on the functions involved, and methods described in a different procedure than those described, for example, may be performed, and various steps may be added, omitted, or combined. Furthermore, features described by reference to some examples may be combined with other examples.

[0164] As will be clearly apparent to those skilled in the art from the above description of the embodiments, the methods of the above embodiments can be implemented in the form of software and a necessary general-purpose hardware platform. Of course, they may also be implemented in hardware, but in many cases the former is a more preferred embodiment. With this understanding in mind, the technical proposal of this application may be embodied in the form of a software product, either substantially or in part with respect to the prior art. This computer software product is stored on a storage medium (e.g., ROM / RAM, magnetic disk, optical disk) and contains some instructions for causing a terminal (which may be a mobile phone, computer, server, air conditioner, or base station, etc.) to perform the methods of each embodiment of this application.

[0165] As will be apparent to those skilled in the art, the units and algorithmic steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or in a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the proposed technology. Those skilled in the art may implement the described functions using different methods for each specific application, but such implementations should not be considered beyond the scope of this disclosure.

[0166] As will be readily apparent to those skilled in the art, for the convenience and brevity of description, the specific operating processes of the systems, apparatus, and units described above can be found by referring to the corresponding processes in the embodiments of the aforementioned methods, and will not be described further here.

[0167] It should be understood that, in the embodiments of this application, the presented apparatus and methods may be implemented in other ways. For example, the embodiments of the apparatus described above are illustrative only, and the divisions of the units are merely logical functional divisions, and in actual implementation, there may be other division methods, for example, multiple units or assemblies may be combined or integrated with another system, or some features may be ignored or not performed. Also, the combinations or direct combinations or communication connections between those shown or discussed may be indirect combinations or communication connections by some interfaces, devices or units, and may be electrical, mechanical or in other forms.

[0168] The units described as separation members may or may not be physically separated, and the members indicated as units may or may not be physical units, may be located in one place, or may be distributed among multiple network units. Some or all of these units can be selected as needed to achieve the objectives of this embodiment.

[0169] Furthermore, each functional unit in each embodiment of this disclosure may be integrated into a single processing unit, each unit may exist physically independently, or two or more units may be integrated into a single unit.

[0170] The aforementioned functions may be implemented in the form of a software function unit and, if sold or used as an independent product, may be stored on a single computer-readable storage medium. With this understanding, the proposed techniques of the present disclosure may be embodied in the form of a software product, which may be substantially or substantially contribute to the prior art or which may be a part of the proposed techniques. This computer software product may be stored on a single storage medium and may include some instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform all or some of the steps of the methods described in each embodiment of the present disclosure. The storage medium may include various programs, such as U disks, removable hard disks, ROMs, RAMs, magnetic disks, or optical disks, that can store program code.

[0171] As those skilled in the art will understand, the implementation of all or part of the flow in the above embodiments may be completed by controlling the relevant hardware with a computer program. The program may be stored in a computer-readable storage medium and, when executed, may include flows such as those in the embodiments of each of the above embodiments. Here, the storage medium may be a magnetic disk, an optical disk, ROM, or RAM, etc.

[0172] The above describes embodiments of this application, accompanied by drawings; however, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can, by the suggestion of this application, make many forms, as long as they do not deviate from the spirit and scope protected by the claims of this application, and all of these fall within the scope of protection of this application.

Claims

1. A transmission processing method performed by a first node, wherein the method is This includes transmitting or scheduling according to a default multiplexing scheme if a first instruction information transmitted from a second node has not been received, wherein the first instruction information is used to specify the target multiplexing scheme of the first node. Here, the second node is a donor node or the parent node of the first node. The aforementioned first node is an IAB node, The aforementioned transmission is Data transmission between the DU in the first node and the sub-IAB node or UE of the first node, or This includes data transmission between the MT at the first node and the parent node of the first node. The aforementioned scheduling is Scheduling for resources for data transmission between the DU in the first node and the sub-IAB node or UE of the first node, or This includes scheduling for resources for data transmission between the MT in the first node and the parent node of the first node, The aforementioned method, The method further includes, upon receiving the first instruction information, transmitting or scheduling it in accordance with the target multiplexing scheme, Performing scheduling or transmission according to the aforementioned target multiplexing scheme is: This includes performing periodic transmission or scheduling according to the aforementioned target multiplexing scheme, The instruction granularity related to the target multiplexing scheme includes N frequency domain units, Here, N is a positive integer, and the frequency domain unit includes a physical resource block PRB, a subband, a precoding resource block group PRG, and a subcarrier or resource unit RE. Transmission processing method.

2. The method according to claim 1, wherein the first instruction information is further used to instruct at least one of the scheduling of a distributed unit DU and the scheduling of a mobile terminal MT.

3. Performing scheduling or transmission according to the aforementioned target multiplexing scheme is: The method according to claim 1, further comprising transmitting or scheduling in accordance with the target multiplexing scheme within a predetermined time period.

4. The method according to claim 1, wherein the first instruction information is carried in a physical downlink control channel PDCCH, downlink control information DCI, media access control unit MAC CE, radio resource control RRC, or backhaul access protocol control protocol data unit.

5. After receiving the first instruction information, the method The method according to claim 1, further comprising transmitting a second instruction to a second node if the first node does not support the target multiplexing scheme, the second instruction being used to instruct the second node to terminate the target multiplexing scheme.

6. The aforementioned method, The method according to claim 1, further comprising transmitting a third instruction information to the second node, the third instruction information being used to instruct a recommended multiplexing scheme, and the recommended multiplexing scheme being used to determine the target multiplexing scheme.

7. The method according to claim 6, wherein the third instruction information includes at least one of the following: a sequence of the physical uplink control channel PUCCH, a cyclic offset of PUCCH, a sequence of the PUCCH demodulation reference signal DMRS, a cyclic offset of the PUCCH demodulation reference signal DMRS, frequency hopping of the PUCCH demodulation reference signal DMRS, and a code point of PUCCH.

8. The instruction granularity related to the target multiplexing scheme further includes M time units, The method according to claim 1, wherein M is a positive integer and the time unit is a subframe, slot, symbol, or period.

9. The method according to claim 1, wherein receiving the first instruction information includes receiving the first instruction information in accordance with a second preset period.

10. A communication device comprising memory, a processor, and a program stored in the memory and operable on the processor, wherein when the program is executed by the processor, the steps of the transmission processing method described in any one of claims 1 to 9 are realized.

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