Information transmission method, information transmission device, electronic equipment and readable storage medium

Abstract

The application provides an information transmission method, an information transmission device, an electronic equipment and a readable storage medium, and belongs to the technical field of communication. The information transmission method comprises the following steps: a first centralized unit determines resource configuration coordination information; and the first centralized unit sends a first message carrying the resource configuration coordination information to a second centralized unit. Through the embodiment of the application, the second centralized unit can configure resources for a second service node added by a wireless node according to the resource configuration coordination information, thereby reducing or avoiding the scheduling conflict between the first service node and the second service node for the wireless node after the second service node becomes the SN of the wireless node, and ensuring that the wireless node cannot ensure that the scheduling of the first service node and the second service node is all executed, thereby improving the scheduling efficiency of the wireless node.

Description

Technical Field

[0001] This application belongs to the field of communication technology, and specifically relates to an information transmission method, an information transmission device, an electronic device, and a readable storage medium. Background Technology

[0002] The IAB (Integrated Access Backhaul) system is a technology that was first developed into a standard by NR Rel-16. The introduction of the IAB system was to address the situation where wired transmission networks are not deployed adequately when access points are densely deployed. In other words, when there is no wired transmission network, access points can rely on wireless backhaul.

[0003] Figure 1 This is a schematic diagram of an IAB system. An IAB node includes a DU (Distributed Unit) and an MT (Mobile Termination). After establishing a complete backhaul link, an IAB node activates its DU function, which provides cell services, meaning the DU can provide access services to the UE (User Equipment). An access point (IAB node) can find an upstream access point (parent IAB node) through its MT and establish a radio connection with the upstream access point's DU; this radio connection is called a backhaul link. A self-backhaul loop includes a donor IAB node (or IAB donor), which has a directly connected wired transmission network.

[0004] Figure 2 This is a schematic diagram of the CU-DU (Centralized Unit-Distributed Unit) structure of an IAB system. In a self-backhaul loop, all the DUs of the IAB nodes are connected to a CU node. The CU node configures the DUs through the F1-AP (F1 Application Protocol) and the MTs through the RRC (Radio Resource Control) protocol.

[0005] The network architecture of NR-DC (New Radio Dual Connectivity) for UE (User Equipment) is as follows: Figure 3 and Figure 4 As shown, the network structure of the NR-DC of the IAB node is as follows: Figure 5 and Figure 6As shown. In this case, the MT of the UE or IAB node establishes connections with two serving DUs (DU1 and DU2), respectively. There are two different upstream network structures. One scenario is that the MN (Master gNodeB) and SN (Secondary gNodeB) are controlled by the same CU. Figure 3 and Figure 5 Another scenario is that MN and SN are controlled by different CUs. Figure 4 and Figure 6 ), MN is the donor of MgNB or MCG, and SN is the donor of SgNB or SCG.

[0006] In the application of NR-DC networks to UE or IAB nodes, the inventors discovered at least the following problems in the prior art:

[0007] The MT of the UE or IAB node has limitations in multiplexing scheduling. When the MN and SN are controlled by different CUs, if resource allocation is not coordinated, resource allocation conflicts may occur between the MCG link and the SCG link, resulting in scheduling conflicts from the MN and SN, leading to transmission errors or unusable resources.

[0008] Application content

[0009] The purpose of this application is to provide an information transmission method, information transmission device, electronic device, and readable storage medium, which can solve the problem in the related art where resource allocation conflicts cause transmission errors or resource unavailability when MN and SN are controlled by different CUs.

[0010] To solve the above-mentioned technical problems, this application is implemented as follows:

[0011] In a first aspect, embodiments of this application provide an information transmission method, the method comprising:

[0012] The first centralized unit determines resource allocation and coordination information;

[0013] The first centralized unit sends a first message carrying resource allocation coordination information to the second centralized unit.

[0014] Secondly, embodiments of this application provide an information transmission method, the method comprising:

[0015] The second centralized unit receives the first message sent by the first centralized unit;

[0016] The second centralized unit obtains the resource allocation coordination information carried in the first message;

[0017] The second centralized unit configures resources for the second service node of the wireless node based on the resource allocation coordination information.

[0018] Thirdly, embodiments of this application provide an information transmission method, the method comprising:

[0019] The wireless node obtains resource conflict information between the first service node and the second service node;

[0020] The wireless node sends a third message carrying resource conflict information to the first centralized unit, or a fourth message carrying resource conflict information to the second centralized unit, or a fifth message carrying resource conflict information to the first serving node, or a sixth message carrying resource conflict information to the second serving node.

[0021] Fourthly, embodiments of this application provide an information transmission method, the method comprising:

[0022] The first service node receives the fifth message sent by the wireless node;

[0023] The first service node obtains the resource conflict information with the second service node carried in the fifth message;

[0024] The first service node adjusts the scheduling of wireless nodes based on resource conflict information.

[0025] Fifthly, embodiments of this application provide an information transmission method, the method comprising:

[0026] The second service node receives the sixth message sent by the wireless node;

[0027] The second service node obtains the resource conflict information with the first service node carried in the sixth message;

[0028] The second service node adjusts the scheduling of wireless nodes based on resource conflict information.

[0029] Sixthly, embodiments of this application provide an information transmission device, the device comprising:

[0030] The resource allocation coordination information determination module is used to determine resource allocation coordination information;

[0031] The first sending module is used to send a first message carrying resource configuration coordination information to the second centralized unit.

[0032] Seventhly, embodiments of this application provide an information transmission device, the device comprising:

[0033] The second receiving module is used to receive the first message sent by the first centralized unit;

[0034] The second information determination module is used to obtain the resource configuration coordination information carried in the first message;

[0035] The second processing module is used to configure resources for the second service node of the wireless node based on the resource configuration coordination information.

[0036] Eighthly, embodiments of this application provide an information transmission device, the device comprising:

[0037] The third information determination module is used to obtain resource conflict information between the first service node and the second service node;

[0038] The third sending module is used to send a third message carrying resource conflict information to the first centralized unit, or a fourth message carrying resource conflict information to the second centralized unit, or a fifth message carrying resource conflict information to the first service node, or a sixth message carrying resource conflict information to the second service node.

[0039] Ninthly, embodiments of this application provide an information transmission device, the device comprising:

[0040] The fourth receiving module is used to receive the fifth message sent by the wireless node;

[0041] The fourth information determination module is used to obtain the resource conflict information with the second service node carried in the fifth message;

[0042] The fourth processing module is used to adjust the scheduling of wireless nodes based on resource conflict information.

[0043] In a tenth aspect, embodiments of this application provide an information transmission apparatus, the apparatus comprising:

[0044] The fifth receiving module is used to receive the sixth message sent by the wireless node;

[0045] The fifth information determination module is used to obtain the resource conflict information with the first service node carried in the sixth message;

[0046] The fifth processing module is used to adjust the scheduling of wireless nodes based on resource conflict information.

[0047] Eleventhly, embodiments of this application provide an electronic device, which includes a processor, a memory, and a program or instructions stored in the memory and executable on the processor. When the program or instructions are executed by the processor, they implement the steps of the information transmission method as described in the first to fifth aspects.

[0048] In a twelfth aspect, embodiments of this application provide a readable storage medium on which a program or instructions are stored, and when the program or instructions are executed by a processor, the steps of the information transmission method as described in the first to fifth aspects are implemented.

[0049] In a thirteenth aspect, embodiments of this application provide a chip, which includes a processor and a communication interface. The communication interface and the processor are coupled, and the processor is used to run programs or instructions to implement the information transmission methods as described in the first to fifth aspects.

[0050] In this embodiment, the first centralized unit determines resource configuration coordination information for the first service node DU and the second service node DU of the wireless node. Further, it sends the resource configuration coordination information to the second centralized unit so that the second centralized unit can configure resources for the second service node added to the wireless node according to the resource configuration coordination information. This reduces or avoids scheduling conflicts between the first and second service nodes for the wireless node after the second service node becomes the SN of the wireless node, which would prevent the wireless node from ensuring that the scheduling of the first and second service nodes is executed accordingly, thereby improving the scheduling efficiency of the wireless node. Attached Figure Description

[0051] Figure 1 This is a schematic diagram of the structure of the IAB system in related technologies;

[0052] Figure 2 This is a schematic diagram of the CU-DU structure of the IAB system in related technologies;

[0053] Figure 3 This is one of the structural diagrams of NR-DC for UE in related technologies;

[0054] Figure 4 This is the second schematic diagram of the NR-DC structure of the UE in related technologies;

[0055] Figure 5 This is one of the structural diagrams of the NR-DC of the IAB node in related technologies;

[0056] Figure 6 This is the second schematic diagram of the NR-DC structure of the IAB node in the related technology;

[0057] Figure 7 A schematic diagram of the self-return dual-connection system according to an embodiment of this application is shown;

[0058] Figure 8 A flowchart illustrating resource allocation coordination between the first centralized unit and the second centralized unit in an embodiment of this application is shown;

[0059] Figure 9 One of the flowcharts of the information transmission method according to an embodiment of this application is shown;

[0060] Figure 10 A schematic diagram of time-division allocation of resource configuration according to an embodiment of this application is shown;

[0061] Figure 11 A schematic diagram of frequency division allocation for resource configuration according to an embodiment of this application is shown;

[0062] Figure 12 A second flowchart of an information transmission method according to an embodiment of this application is shown;

[0063] Figure 13 A flowchart of the information transmission method according to an embodiment of this application is shown as third;

[0064] Figure 14 A flowchart of the information transmission method according to an embodiment of this application is shown in part four;

[0065] Figure 15 The fifth flowchart of the information transmission method according to an embodiment of this application is shown;

[0066] Figure 16 A flowchart of the information transmission method according to an embodiment of this application is shown in section six;

[0067] Figure 17 The seventh flowchart of the information transmission method according to an embodiment of this application is shown;

[0068] Figure 18 One of the structural schematic diagrams of the information transmission device according to an embodiment of this application is shown;

[0069] Figure 19 A second schematic diagram of the structure of the information transmission device according to an embodiment of this application is shown;

[0070] Figure 20 The third schematic diagram of the structure of the information transmission device according to an embodiment of this application is shown;

[0071] Figure 21 The fourth schematic diagram of the structure of the information transmission device according to an embodiment of this application is shown;

[0072] Figure 22 The fifth schematic diagram of the structure of the information transmission device according to an embodiment of this application is shown;

[0073] Figure 23 A schematic diagram of the structure of an electronic device according to an embodiment of this application is shown. Detailed Implementation

[0074] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0075] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0076] The information transmission method, information transmission device, electronic device, and readable storage medium provided in this application will be described in detail below with reference to the accompanying drawings and through specific embodiments and application scenarios.

[0077] Figure 7 A schematic diagram of a self-return dual-connection system according to an embodiment of this application is shown, wherein the self-return dual-connection system includes:

[0078] The system comprises a first centralized unit 702, a second centralized unit 704, a wireless node 706, a first service node 708, and a second service node 710. The wireless node 706 establishes connections with two service DUs (i.e., the first service node 708 and the second service node 710). For the upstream network structure, the service nodes are controlled by different CUs. Specifically, the first service node 708 is controlled by the first centralized unit 702, and the second service node 710 is controlled by the second centralized unit 704.

[0079] It should be noted that the downstream networks of the first centralized unit 702 and the second centralized unit 704 can each connect to multiple service nodes, and the downstream of the wireless node 706 can also connect to multiple sub-nodes.

[0080] Radio node 706 can be a UE (User Equipment). Correspondingly, the first serving node 708 is a MgNB (Master gNodeB), and the second serving node 710 is a SgNB (Secondary gNodeB). Radio node 706 can also be an IAB node, which includes DU and MT. Correspondingly, the first serving node 708 is an MCG donor (Master Cell Group), and the second serving node 710 is an SCG donor (Secondary Cell Group). The connection between radio node 706 and the first serving node 708 is called an MCG link, and the connection between radio node 706 and the second serving node 710 is called an SCG link.

[0081] From the perspective of air interface carrier allocation, the MCG link and SCG link of the self-backhaul dual-connectivity system in this application embodiment have the following situations:

[0082] Scenario 1: The MCG link and SCG link use different carriers in different frequency bands;

[0083] Scenario 2: The MCG link and SCG link use different carriers in the same frequency band;

[0084] Scenario 3: MCG link and SCG link use the same carrier in the same frequency band.

[0085] 3GPP (3rd Generation Partnership Project) supports NR-DC using different carriers for MCG link and SCG link. Under this premise, for scenario 1, radio node 706 can support multiplexing scheduling between MCG link and SCG link without restriction. However, for scenario 2, there are some restrictions on multiplexing scheduling between MCG link and SCG link in some cases. For example, when the carrier frequencies of MCG link and SCG link are close and cannot provide sufficient frequency isolation, radio node 706 cannot perform transmit / receive operations on MCG link while simultaneously performing transmit / receive operations on SCG link. This restriction does not apply when the carrier frequencies of MCG link and SCG link can provide sufficient frequency isolation. The frequency isolation here can be defined by the magnitude of the frequency difference between the carriers. For scenario 3, the restrictions on multiplexing scheduling between MCG link and SCG link are the greatest; radio node 706 cannot perform transmit / receive operations on MCG link while simultaneously performing transmit / receive operations on SCG link.

[0086] As mentioned above, the wireless node 706 has limitations in multiplexing scheduling. When MN and SN are controlled by different centralized units, resource allocation conflicts may occur between the MCG link and the SCG link if resource allocation is not coordinated. Specifically, this includes:

[0087] (1) Uplink and downlink configuration conflict: When MCG link and SCG link use different carriers in the same frequency band or MCG link and SCG link use the same carrier in the same frequency band, the first centralized unit 702 configures one time slot of the first service node 708 as uplink available, but the second centralized unit 704 configures the same time slot of the second service node 710 as downlink available. When SN and MN simultaneously schedule the transmission of radio node 706 in this time slot, the radio node 706 will behave unpredictably because it cannot support simultaneous transmission and reception, resulting in signaling or data not being transmitted in time.

[0088] (2) Conflicts in simultaneous scheduling / transmission: When the MCG link and SCG link use the same carrier in the same frequency band, the radio node 706 can only transmit one PUCCH (Physical Uplink Control Channel), PUSCH (Physical Uplink Control Channel), or PDSCH (Physical Downlink Shared Channel) in the same time slot on a carrier. If the MN and SN are configured with PUCCH in the same time slot or schedule PUSCH and PDSCH simultaneously, the radio node 706 will behave unpredictably because it cannot support simultaneous transmission and reception, resulting in the inability to transmit signaling or data in a timely manner.

[0089] To address the problem of transmission errors or resource unavailability caused by resource allocation conflicts when MN (MgNB or MCG donor) and SN (SgNB or SCG donor) are controlled by different CUs, this application proposes a resource allocation coordination method for a self-return dual-connection system. The process for resource allocation coordination between the first centralized unit and the second centralized unit is as follows: Figure 8 As shown, after receiving a measurement report from a wireless node regarding its surrounding wireless nodes, the first centralized unit determines to add a second serving node to that wireless node. The second serving node is controlled by the second centralized unit. The measurement report may include the signal quality from the second serving node to the wireless node.

[0090] When the first centralized unit sends a request to the second centralized unit to add a second service node, it also sends resource configuration coordination request information regarding the first service node (DU) and the second service node (DU). Based on this coordination request information, the second centralized unit determines the DU resource configuration available to the radio node by the second service node and sends the resource configuration to the second service node through context configuration information transmission. This reduces or avoids scheduling conflicts between the first and second service nodes for the radio node after the second service node becomes the SN of the radio node, where the radio node MT cannot guarantee that the scheduling of both the first and second service nodes will be executed accordingly.

[0091] Optionally, the second centralized unit sends the resource configuration information of the second service node DU that can be used for MT scheduling of the radio node to the first centralized unit through RRC signaling by adding feedback information. The first centralized unit reconfigures the resource configuration information of the first service node DU that can be used for MT scheduling of the radio node according to this information, so as to reduce or avoid the scheduling conflict between the first service node and the second service node for the radio node.

[0092] Furthermore, the first centralized unit sends the addition feedback of the second service node DU to the first service node, the first service node then sends the addition feedback of the second service node DU to the wireless node, and finally, after the wireless node executes the configuration message carried in the addition feedback of the second service node DU, it sends the reconfiguration completion information back to the second centralized unit.

[0093] After resource configuration coordination between the first and second centralized units, the first and second centralized units can use DU resource allocation signaling to configure the first serving node (DU) and the second serving node (DU) respectively for scheduling the radio node. For example, in an IAB network, the resources of each hop's DU can be semi-statically allocated by the CU, and the DU schedules the sub-IAB-MT based on the allocated resources. The resource configuration is jointly determined by TDD (Time Division Duplexing) configuration and resource type indication.

[0094] TDD configuration indicates fixed uplink time slots and OFDM (Orthogonal Frequency Division Multiplexing) symbols, flexible uplink and downlink time slots and OFDM symbols, and fixed downlink time slots and OFDM symbols;

[0095] Resource type indicates the availability attributes of a resource, which include: hard (hard available), NA (NotAvailable), and soft (soft available).

[0096] Here, "hard" refers to a DU resource designated as "hard," which can be used freely according to the link direction configured in the TDD configuration; "soft" refers to a DU resource designated as "soft," which can be used freely according to the link direction configured in the TDD configuration, provided that its parent IAB-DU is not used.

[0097] Furthermore, resources can be dynamically shared between the previous and next hops of an IAB node. For the soft resources of an IAB-DU, the IAB node can determine whether to allow its IAB-DU to schedule the soft resources for next-hop transmission without affecting its IAB-MT reception. According to the current 3GPP protocol, the parent IAB-DU can use PDCCH to indicate to the child IAB node whether the soft resources of the child node's IAB-DU are available. An IAB node itself can also determine whether scheduling soft resources will affect the reception of IAB-MT and schedule soft resources for data transmission and reception in the next hop.

[0098] It should be noted that resource configuration may also include the frequency domain resource allocation of DU; here, we will only take TDD configuration as an example.

[0099] Optionally, if resource coordination between the first centralized unit and the second centralized unit is insufficient or nonexistent, and the wireless node MT detects a conflict between the transmission resources scheduled by the first service node DU and the second service node DU, the conflict information can be reported to the first centralized unit, the second centralized unit, the first service node, or the second service node. The first centralized unit, the second centralized unit, the first service node, or the second service node then decides how to avoid the conflict.

[0100] Figure 9 One of the flowcharts illustrating an embodiment of the information transmission method of this application is shown. The information transmission method may include:

[0101] Step 902: The first centralized unit determines the resource allocation coordination information;

[0102] Step 904: The first centralized unit sends a first message carrying resource configuration coordination information to the second centralized unit.

[0103] In this embodiment, the first centralized unit determines resource configuration coordination information regarding the first service node DU and the second service node DU of the wireless node. Further, it sends this resource configuration coordination information to the second centralized unit, so that the second centralized unit can configure resources for the second service node added to the wireless node based on the resource configuration coordination information. This reduces or avoids scheduling conflicts between the first and second service nodes for the wireless node after the second service node becomes the SN of the wireless node, preventing the wireless node from ensuring that the scheduling of both the first and second service nodes is executed accordingly, thus improving the scheduling efficiency of the wireless node.

[0104] In some embodiments of this application, the wireless node includes an IAB node or a UE, wherein the IAB node includes an MT and a DU. That is, the method of this application embodiment can be applied to the situation of co-frequency DC or co-band inter-frequency DC in an IAB network, where two parent IAB-DUs belong to different CUs, coordinating resource allocation between the two parent IAB-DUs. Furthermore, this method is also applicable to dual connectivity of NR / LTE UEs under the same conditions. This application embodiment can reduce or avoid resource allocation conflicts and scheduling conflicts between the MCG link and SCG link of the UE or MT.

[0105] In some embodiments of this application, the resource configuration coordination information includes at least one of the following: time-frequency resources of the distributed unit of the wireless node; time-frequency resources of the first service node for wireless node scheduling; minimum required time-frequency resources of the first service node for wireless node scheduling; time-frequency resource pool of the second service node for wireless node scheduling; multiplexing scheduling mode between the connection links of the first and second service nodes for wireless node scheduling; duplex mode between the connection links of the first and second service nodes for wireless node scheduling; link direction corresponding to the time-frequency resources; and type indication of the time-frequency resources, wherein the type information of the time-frequency resources includes hard availability, soft availability, and unavailability.

[0106] In this embodiment, the resource configuration coordination information sent by the first centralized unit to the first service node DU and the second service node DU of the second centralized unit may include one or more of the following:

[0107] (1) Time-domain and frequency-domain resources of the DU of the IAB node;

[0108] (2) The first service node uses the time domain and frequency domain resources of the DU for MT or UE scheduling of the IAB node;

[0109] (3) The minimum time-domain and frequency-domain resources required by the first service node for MT or UE scheduling of the IAB node;

[0110] (4) It can be used by the second centralized unit to allocate time-domain resource pools and frequency-domain resource pools that can be used for MT or UE scheduling of IAB nodes to the second service node DU;

[0111] (5) Multiplexing scheduling methods or duplex modes between MN link and SN link that can be used for MT or UE scheduling of IAB nodes, wherein the multiplexing scheduling methods include time division multiplexing, frequency division multiplexing, etc., and the duplex modes support half duplex, full duplex, etc.

[0112] (6) The link direction corresponding to the time domain resources and frequency domain resources. The link direction of the time domain resources and frequency domain resources can be indicated by time slot or OFDM symbol.

[0113] (7) Time and frequency resource type indication, wherein the time and frequency resource type information includes hard availability, soft availability and unavailability.

[0114] For example, when the first centralized unit sends the time-frequency resources of the DU of the IAB node to the second centralized unit, the second centralized unit can determine the resource allocation to avoid conflict with the DU resources of the IAB node; when the first centralized unit sends the time-frequency resources of the DU used by the first serving node for scheduling the MT or UE of the IAB node to the second centralized unit, the second centralized unit can determine the DU resource allocation of the second serving node to avoid conflict with the DU of the first serving node; when the first centralized unit sends the time-frequency resource pool that can be used by the second centralized unit to allocate the DU of the second serving node for scheduling the MT or UE of the IAB node to the second centralized unit, the second centralized unit can determine the range of DU resources that can be allocated to the second serving node for scheduling the MT or UE of the IAB node.

[0115] By sending the above information to the second centralized unit, the second centralized unit can configure resources for the second service node based on the information, so as to reduce or avoid scheduling conflicts between the first service node and the second service node on the MT or UE of the IAB node.

[0116] Figure 10 The illustration shows a time-division allocation diagram of resource configuration according to an embodiment of this application. In this diagram, after adding a second service node, a portion of the time-domain resources that were previously allocated to the first service node for scheduling wireless nodes are allocated to the second service node. This makes the time-domain resources used by the first service node and the second service node for scheduling wireless nodes different, thereby reducing or avoiding time-domain resource conflicts when scheduling wireless nodes.

[0117] Figure 11The diagram illustrates the frequency division allocation of resource configuration according to an embodiment of this application. After adding a second service node, the frequency domain resources that were previously allocated to the first service node for scheduling wireless nodes are allocated to the second service node. This ensures that the frequency domain resources used by the first and second service nodes for scheduling wireless nodes are different, thereby reducing or avoiding frequency domain resource conflicts when scheduling wireless nodes.

[0118] Figure 10 and Figure 11 In the diagram, resources marked with "↑" are fixed uplink resources, those marked with "↓" are fixed downlink resources, and those marked with "↓↑" are time slot resources that have switched from downlink to uplink.

[0119] In some embodiments of this application, the first centralizing unit sends a first message carrying resource configuration coordination information to the second centralizing unit, including: when a second service node that needs to add a wireless node, the first centralizing unit sends a first message carrying resource configuration coordination information to the second centralizing unit.

[0120] In this embodiment, after receiving a measurement report from a wireless node regarding its surrounding wireless nodes (the measurement report may include the signal quality from the second serving node to the wireless node), the first centralized unit determines to add a second serving node to the wireless node. When sending an add request to the second centralized unit, it sends resource configuration coordination information. That is, the first message can be an add request sent by the first centralized unit to the second centralized unit, informing the second centralized unit to add the second serving node. Through this embodiment, the second centralized unit can perform resource coordination configuration for the second serving node when adding it, reducing or avoiding resource conflicts between the second and first serving nodes when scheduling wireless nodes.

[0121] In some embodiments of this application, after step 904, the information transmission method further includes: a first central unit receiving a second message sent by a second central unit; the first central unit obtaining resource configuration information of the second service node of the wireless node carried in the second message; and the first central unit adjusting the resource configuration information of the first service node of the wireless node according to the resource configuration information of the second service node.

[0122] In this embodiment, after the second centralizing unit configures resources for the second service node of the added wireless node according to the resource configuration coordination information, it feeds back the resource configuration information of the second service node to the first centralizing unit. The first centralizing unit can further adjust the resource configuration information of the first service node according to the resource configuration information of the second service node, thereby ensuring that the scheduling resources of the first service node for the wireless node and the scheduling resources of the second service node for the wireless node do not conflict, thus improving the success rate of scheduling the wireless node.

[0123] In some embodiments of this application, before step 902 or after step 904, the information transmission method further includes: a first central unit receiving a third message sent by a wireless node; the first central unit obtaining resource conflict information carried in the third message; and the first central unit adjusting the scheduling of the wireless node or determining resource configuration coordination information based on the resource conflict information.

[0124] In this embodiment, a wireless node can assist in coordinating the scheduling resources of wireless nodes between the first and second service nodes. Specifically, if a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the first central unit, which then decides how to avoid the conflict.

[0125] It should be noted that the process of coordinating the scheduling resources of wireless nodes between the first service node and the second service node through wireless node assistance can be carried out before or after the first centralized unit sends resource configuration coordination information to the second centralized unit. In other words, if the resources between the first centralized unit and the second centralized unit are not coordinated or are not well coordinated, the scheduling resources of wireless nodes between the first service node and the second service node can be coordinated through wireless node assistance.

[0126] Specifically, if the first centralized unit obtains resource conflict information before step 902, it determines resource configuration coordination information based on the resource conflict information; if the first centralized unit obtains resource conflict information after step 904, it adjusts the scheduling of wireless nodes or re-determines resource configuration coordination information based on the resource conflict information. This method reduces the probability of scheduling conflicts for wireless nodes.

[0127] In some embodiments of this application, resource conflict information includes at least one of system frame number, time slot, or symbol number, and resource conflict type information. The resource conflict type information includes at least one of the following:

[0128] (1) The time domain overlap or frequency domain overlap of PDSCH (Physical Downlink Shared Channel), PDCCH (Physical Downlink Control Channel), or CSI-RS (Channel State Information-Reference Signal) transmission between the first service node link (i.e., MCG link) and the second service node link (i.e. SCG link).

[0129] (2) Time-domain overlap or frequency-domain overlap of PUSCH (Physical Uplink Control Channel), SRS (Sounding Reference Signal), PUCCH (Physical Uplink Control Channel) or PRACH (Physical Random Access Channel) transmissions between the first service node link and the second service node link.

[0130] (3) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the first service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the second service node link.

[0131] (4) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the second service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the first service node link.

[0132] (5) The time domain overlap or frequency domain overlap of the DCI (Downlink Control Information) search space between the first service node link and the second service node link.

[0133] In this embodiment, when the above-mentioned conflict behavior is detected, it indicates that the scheduling of the wireless node by the first service node and the second service node has conflicted. The wireless node can report one or more of the system frame number, time slot, and symbol number of the conflict outbreak, as well as the conflict type information, to the first centralized unit. The first centralized unit will then decide how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for the wireless node.

[0134] In some embodiments of this application, Figure 12A second flowchart of an information transmission method according to an embodiment of this application is shown. The information transmission method includes:

[0135] Step 1202: The first centralized unit receives the third message sent by the wireless node;

[0136] Step 1204: The first centralized unit obtains the resource conflict information carried in the third message;

[0137] Step 1206: The first centralized unit adjusts the scheduling of wireless nodes or determines resource configuration coordination information based on resource conflict information.

[0138] The resource conflict information includes at least one of the system frame number, time slot or symbol number, as well as resource conflict type information, which is described above and will not be repeated here.

[0139] In this embodiment, the technical solution of adjusting the scheduling of wireless nodes or determining resource configuration coordination information based on resource conflict information sent by the wireless nodes can be implemented independently without relying on the technical solution of the first central unit determining resource configuration coordination information and sending it to the second central unit. That is, the wireless nodes coordinate the scheduling resources of wireless nodes between the first and second service nodes. If a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the first central unit, which then decides how to avoid the conflict.

[0140] Specifically, the first centralized unit adjusts the scheduling of wireless nodes or determines resource allocation coordination information based on resource conflict information. In this way, the probability of scheduling conflicts for wireless nodes can be reduced.

[0141] Figure 13 A flowchart of the information transmission method according to an embodiment of this application is shown as third, which may include:

[0142] Step 1302: The second centralized unit receives the first message sent by the first centralized unit;

[0143] Step 1304: The second centralized unit obtains the resource configuration coordination information carried in the first message;

[0144] Step 1306: The second centralized unit configures resources for the second service node of the wireless node according to the resource configuration coordination information.

[0145] In this embodiment, the second central unit receives resource configuration coordination information sent by the first central unit. Further, according to the resource configuration coordination information, it configures resources for the second service node added to the wireless node, thereby reducing or avoiding scheduling conflicts between the first service node and the second service node for the wireless node after the second service node becomes the SN of the wireless node, which would prevent the wireless node from ensuring that the scheduling of the first service node and the second service node is executed accordingly, thus improving the scheduling efficiency of the wireless node.

[0146] In some embodiments of this application, the wireless node includes an IAB node or a UE, wherein the IAB node includes an MT and a DU. That is, the method of this application embodiment can be applied to the situation of co-frequency DC or co-band inter-frequency DC in an IAB network, where two parent IAB-DUs belong to different CUs, coordinating resource allocation between the two parent IAB-DUs. Furthermore, this method is also applicable to dual connectivity of NR / LTE UEs under the same conditions. This application embodiment can reduce or avoid resource allocation conflicts and scheduling conflicts between the MCG link and SCG link of the UE or MT.

[0147] In some embodiments of this application, the resource configuration coordination information includes at least one of the following: time-frequency resources of the distributed unit of the wireless node; time-frequency resources of the first service node for wireless node scheduling; minimum required time-frequency resources of the first service node for wireless node scheduling; time-frequency resource pool of the second service node for wireless node scheduling; multiplexing scheduling mode between the connection links of the first and second service nodes for wireless node scheduling; duplex mode between the connection links of the first and second service nodes for wireless node scheduling; link direction corresponding to the time-frequency resources; and type indication of the time-frequency resources, wherein the type information of the time-frequency resources includes hard availability, soft availability, and unavailability.

[0148] In this embodiment, the resource configuration coordination information sent by the first centralized unit to the first service node DU and the second service node DU of the second centralized unit may include one or more of the following:

[0149] (1) Time-domain and frequency-domain resources of the DU of the IAB node;

[0150] (2) The first service node uses the time domain and frequency domain resources of the DU for MT or UE scheduling of the IAB node;

[0151] (3) The minimum time-domain and frequency-domain resources required by the first service node for MT or UE scheduling of the IAB node;

[0152] (4) It can be used by the second centralized unit to allocate time-domain resource pools and frequency-domain resource pools that can be used for MT or UE scheduling of IAB nodes to the second service node DU;

[0153] (5) Multiplexing scheduling methods or duplex modes between MN link and SN link that can be used for MT or UE scheduling of IAB nodes, wherein the multiplexing scheduling methods include time division multiplexing, frequency division multiplexing, etc., and the duplex modes support half duplex, full duplex, etc.

[0154] (6) The link direction corresponding to the time domain resources and frequency domain resources. The link direction of the time domain resources and frequency domain resources can be indicated by time slot or OFDM symbol.

[0155] (7) Time and frequency resource type indication, wherein the time and frequency resource type information includes hard availability, soft availability and unavailability.

[0156] For example, when the first centralized unit sends the time-frequency resources of the DU of the IAB node to the second centralized unit, the second centralized unit can determine the resource allocation to avoid conflict with the DU resources of the IAB node; when the first centralized unit sends the time-frequency resources of the DU used by the first serving node for scheduling the MT or UE of the IAB node to the second centralized unit, the second centralized unit can determine the DU resource allocation of the second serving node to avoid conflict with the DU of the first serving node; when the first centralized unit sends the time-frequency resource pool that can be used by the second centralized unit to allocate the DU of the second serving node for scheduling the MT or UE of the IAB node to the second centralized unit, the second centralized unit can determine the range of DU resources that can be allocated to the second serving node for scheduling the MT or UE of the IAB node.

[0157] By using the above information, the second centralized unit can configure resources for the second service node according to the information, so as to reduce or avoid scheduling conflicts between the first service node and the second service node on the MT or UE of the IAB node.

[0158] In some embodiments of this application, after receiving a measurement report from a wireless node regarding its surrounding wireless nodes (the measurement report may include the signal quality from the second serving node to the wireless node), the first centralizing unit determines to add a second serving node to the wireless node. When sending an add request to the second centralizing unit, it sends resource configuration coordination information. That is, the first message can be an add request sent by the first centralizing unit to the second centralizing unit, informing the second centralizing unit to add the second serving node. Through these embodiments, the second centralizing unit can perform resource coordination configuration for the second serving node when adding it, reducing or avoiding resource conflicts between the second and first serving nodes when scheduling wireless nodes.

[0159] In some embodiments of this application, after step 1306, the information transmission method further includes: the second centralized unit sending a second message carrying resource configuration information of the second service node to the first centralized unit.

[0160] In this embodiment, after the second central unit configures resources for the second service node of the added wireless node according to the resource configuration coordination information, it will feed back the resource configuration information of the second service node to the first central unit. This allows the first central unit to further adjust the resource configuration information of the first service node according to the resource configuration information of the second service node, thereby ensuring that the scheduling resources of the first service node for the wireless node and the scheduling resources of the second service node for the wireless node will not conflict, thus improving the success rate of scheduling the wireless node.

[0161] In some embodiments of this application, before step 1302 or after step 1304, the information transmission method further includes: the second central unit receiving a fourth message sent by a wireless node; the second central unit obtaining resource conflict information carried in the fourth message; and the second central unit adjusting the scheduling of the wireless node or configuring resources for the second service node based on the resource conflict information.

[0162] In this embodiment, a wireless node can assist in coordinating the scheduling resources of wireless nodes between the first and second service nodes. Specifically, if a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the second central unit, which then decides how to avoid the conflict.

[0163] It should be noted that the process of coordinating the scheduling resources of wireless nodes between the first service node and the second service node through wireless node assistance can be carried out before or after the second centralized unit receives the resource configuration coordination information sent by the first centralized unit. In other words, if the resources between the first centralized unit and the second centralized unit are not coordinated or are not well coordinated, the scheduling resources of wireless nodes between the first service node and the second service node can be coordinated through wireless node assistance.

[0164] Specifically, if the second centralizing unit obtains resource conflict information before step 1302, it adjusts the scheduling of the wireless nodes or configures resources for the second serving node based on the resource conflict information. Further, after receiving resource configuration coordination information from the first centralizing unit, it adjusts the scheduling of the wireless nodes or reconfigures resources for the second serving node based on the resource configuration coordination information. If the second centralizing unit obtains resource conflict information after step 1304, it adjusts the scheduling of the wireless nodes or reconfigures resources for the second serving node based on the resource conflict information. Through this method, the probability of scheduling conflicts for wireless nodes can be reduced.

[0165] In some embodiments of this application, resource conflict information includes at least one of system frame number, time slot, or symbol number, and resource conflict type information. The resource conflict type information includes at least one of the following:

[0166] (1) Time-domain overlap or frequency-domain overlap of PDSCH (Physical Downlink Shared Channel), PDCCH (Physical Downlink Control Channel), or CSI-RS (Channel State Information-Reference Signal) transmission between the first service node link and the second service node link.

[0167] (2) Time-domain overlap or frequency-domain overlap of PUSCH (Physical Uplink Control Channel), SRS (Sounding Reference Signal), PUCCH (Physical Uplink Control Channel) or PRACH (Physical Random Access Channel) transmissions between the first service node link and the second service node link.

[0168] (3) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the first service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the second service node link.

[0169] (4) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the second service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the first service node link.

[0170] (5) The time domain overlap or frequency domain overlap of the DCI (Downlink Control Information) search space between the first service node link and the second service node link.

[0171] In this embodiment, when the aforementioned conflict behavior is detected, it indicates that a conflict has occurred in the scheduling of the wireless node between the first and second service nodes. The wireless node can then report one or more of the system frame number, time slot, and symbol number involved in the conflict, along with the conflict type information, to the second centralizing unit. The second centralizing unit then decides how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for the wireless node.

[0172] In some embodiments of this application, Figure 14 A flowchart of the information transmission method according to an embodiment of this application is shown as fourth, the information transmission method including:

[0173] Step 1402: The second centralized unit receives the fourth message sent by the wireless node;

[0174] Step 1404: The second centralized unit obtains the resource conflict information carried in the fourth message;

[0175] Step 1406: The second centralized unit adjusts the scheduling of wireless nodes or configures resources for the second service node based on the resource conflict information.

[0176] The resource conflict information includes at least one of the system frame number, time slot or symbol number, as well as resource conflict type information, which is described above and will not be repeated here.

[0177] In this embodiment, the technical solution of the second centralizing unit adjusting the scheduling of wireless nodes or configuring resources for the second serving node based on resource conflict information sent by the wireless nodes can be implemented independently without relying on the technical solution of the second centralizing unit configuring resources for the second serving node based on resource configuration coordination information sent by the first centralizing unit. In other words, the wireless nodes coordinate the scheduling resources of wireless nodes between the first and second serving nodes. If a wireless node discovers a conflict in the transmission resources scheduled by the first and second serving nodes, it can report the resource conflict information to the second centralizing unit, which then decides how to avoid the conflict.

[0178] Specifically, the second centralized unit adjusts the scheduling of wireless nodes or configures resources for the second service node based on resource conflict information. In this way, the probability of scheduling conflicts for wireless nodes can be reduced.

[0179] Figure 15 A flowchart of the information transmission method according to an embodiment of this application is shown as fifth, which may include:

[0180] Step 1502: The wireless node obtains resource conflict information between the first service node and the second service node;

[0181] Step 1504: The wireless node sends a third message carrying resource conflict information to the first centralized unit, or a fourth message carrying resource conflict information to the second centralized unit, or a fifth message carrying resource conflict information to the first serving node, or a sixth message carrying resource conflict information to the second serving node.

[0182] In this embodiment, a wireless node can assist in coordinating the scheduling resources of wireless nodes between the first and second service nodes. Specifically, if a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the first service node, the second service node, the first central unit, or the second central unit, which will then decide how to avoid the conflict.

[0183] In one embodiment, after receiving resource conflict information, the first centralized unit can control the first service node to adjust the scheduling of wireless nodes or re-determine resource configuration coordination information. After receiving resource conflict information, the first service node can adjust the scheduling of wireless nodes, thereby reducing the probability of subsequent scheduling conflicts of wireless nodes.

[0184] After receiving resource conflict information, the second centralized unit can control the second service node to adjust the scheduling of wireless nodes or configure resources for the second service node. After receiving resource conflict information, the second service node can adjust the scheduling of wireless nodes, thereby reducing the probability of subsequent scheduling conflicts for wireless nodes.

[0185] In some embodiments of this application, the wireless node includes an IAB node or a UE, wherein the IAB node includes an MT and a DU. That is, the method of this application embodiment can be applied to the situation of co-frequency DC or co-band inter-frequency DC in an IAB network, where two parent IAB-DUs belong to different CUs, coordinating resource allocation between the two parent IAB-DUs. Furthermore, this method is also applicable to dual connectivity of NR / LTE UEs under the same conditions. This application embodiment can reduce or avoid resource allocation conflicts and scheduling conflicts between the MCG link and SCG link of the UE or MT.

[0186] In some embodiments of this application, resource conflict information includes at least one of system frame number, time slot, or symbol number, and resource conflict type information. The resource conflict type information includes at least one of the following:

[0187] (1) Time-domain overlap or frequency-domain overlap of PDSCH (Physical Downlink Shared Channel), PDCCH (Physical Downlink Control Channel), or CSI-RS (Channel State Information-Reference Signal) transmission between the first service node link and the second service node link.

[0188] (2) Time-domain overlap or frequency-domain overlap of PUSCH (Physical Uplink Control Channel), SRS (Sounding Reference Signal), PUCCH (Physical Uplink Control Channel) or PRACH (Physical Random Access Channel) transmissions between the first service node link and the second service node link.

[0189] (3) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the first service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the second service node link.

[0190] (4) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the second service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the first service node link.

[0191] (5) The time domain overlap or frequency domain overlap of the DCI (Downlink Control Information) search space between the first service node link and the second service node link.

[0192] In this embodiment, when the above-mentioned conflict behavior is detected, it indicates that the scheduling of the wireless node by the first service node and the second service node has conflicted. The wireless node can report one or more of the system frame number, time slot, and symbol number of the conflict outbreak, as well as the conflict type information, to the first service node, the second service node, the first centralized unit, or the second centralized unit. The first service node, the second service node, the first centralized unit, or the second centralized unit will decide how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for the wireless node.

[0193] Figure 16 A flowchart of an information transmission method according to an embodiment of this application is shown as sixth, which may include:

[0194] Step 1602: The first service node receives the fifth message sent by the wireless node;

[0195] Step 1604: The first service node obtains the resource conflict information with the second service node carried in the fifth message;

[0196] Step 1606: The first service node adjusts the scheduling of wireless nodes based on the resource conflict information.

[0197] In this embodiment, a wireless node can assist in coordinating the scheduling resources of wireless nodes between the first and second service nodes. Specifically, if a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the first service node, which then decides how to avoid the conflict upon receiving the information.

[0198] In one embodiment, after receiving resource conflict information, the first service node can adjust the scheduling of wireless nodes, thereby reducing the probability of subsequent scheduling conflicts for wireless nodes.

[0199] In some embodiments of this application, the wireless node includes an IAB node or a UE, wherein the IAB node includes an MT and a DU. That is, the method of this application embodiment can be applied to the situation of co-frequency DC or co-band inter-frequency DC in an IAB network, where two parent IAB-DUs belong to different CUs, coordinating resource allocation between the two parent IAB-DUs. Furthermore, this method is also applicable to dual connectivity of NR / LTE UEs under the same conditions. This application embodiment can reduce or avoid resource allocation conflicts and scheduling conflicts between the MCG link and SCG link of the UE or MT.

[0200] In some embodiments of this application, resource conflict information includes at least one of system frame number, time slot, or symbol number, and resource conflict type information. The resource conflict type information includes at least one of the following:

[0201] (1) Time-domain overlap or frequency-domain overlap of PDSCH (Physical Downlink Shared Channel), PDCCH (Physical Downlink Control Channel), or CSI-RS (Channel State Information-Reference Signal) transmission between the first service node link and the second service node link.

[0202] (2) Time-domain overlap or frequency-domain overlap of PUSCH (Physical Uplink Control Channel), SRS (Sounding Reference Signal), PUCCH (Physical Uplink Control Channel) or PRACH (Physical Random Access Channel) transmissions between the first service node link and the second service node link.

[0203] (3) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the first service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the second service node link.

[0204] (4) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the second service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the first service node link.

[0205] (5) The time domain overlap or frequency domain overlap of the DCI (Downlink Control Information) search space between the first service node link and the second service node link.

[0206] In this embodiment, when the above-mentioned conflict behavior is detected, it indicates that there is a conflict in the scheduling of wireless nodes between the first service node and the second service node. The wireless node can report one or more of the system frame number, time slot, and symbol number of the conflict outbreak, as well as the conflict type information, to the first service node. The first service node then decides how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for wireless nodes.

[0207] Figure 17A flowchart of the information transmission method according to an embodiment of this application is shown as seventh, which may include:

[0208] Step 1702: The second service node receives the sixth message sent by the wireless node;

[0209] Step 1704: The second service node obtains the resource conflict information with the first service node carried in the sixth message;

[0210] Step 1706: The second service node adjusts the scheduling of wireless nodes based on resource conflict information.

[0211] In this embodiment, a wireless node can assist in coordinating the scheduling resources of wireless nodes between the first and second service nodes. Specifically, if a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the second service node, which will then decide how to avoid the conflict upon receiving the information.

[0212] In one embodiment, after receiving resource conflict information, the second service node can adjust the scheduling of wireless nodes, thereby reducing the probability of subsequent scheduling conflicts for wireless nodes.

[0213] In some embodiments of this application, the wireless node includes an IAB node or a UE, wherein the IAB node includes an MT and a DU. That is, the method of this application embodiment can be applied to the situation of co-frequency DC or co-band inter-frequency DC in an IAB network, where two parent IAB-DUs belong to different CUs, coordinating resource allocation between the two parent IAB-DUs. Furthermore, this method is also applicable to dual connectivity of NR / LTE UEs under the same conditions. This application embodiment can reduce or avoid resource allocation conflicts and scheduling conflicts between the MCG link and SCG link of the UE or MT.

[0214] In some embodiments of this application, resource conflict information includes at least one of system frame number, time slot, or symbol number, and resource conflict type information. The resource conflict type information includes at least one of the following:

[0215] (1) Time-domain overlap or frequency-domain overlap of PDSCH (Physical Downlink Shared Channel), PDCCH (Physical Downlink Control Channel), or CSI-RS (Channel State Information-Reference Signal) transmission between the first service node link and the second service node link.

[0216] (2) Time-domain overlap or frequency-domain overlap of PUSCH (Physical Uplink Control Channel), SRS (Sounding Reference Signal), PUCCH (Physical Uplink Control Channel) or PRACH (Physical Random Access Channel) transmissions between the first service node link and the second service node link.

[0217] (3) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the first service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the second service node link.

[0218] (4) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the second service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the first service node link.

[0219] (5) The time domain overlap or frequency domain overlap of the DCI (Downlink Control Information) search space between the first service node link and the second service node link.

[0220] In this embodiment, when the above-mentioned conflict behavior is detected, it indicates that there is a conflict between the first service node and the second service node in scheduling the wireless node. The wireless node can report one or more of the system frame number, time slot, and symbol number of the conflict outbreak, as well as the conflict type information, to the second service node, which will then decide how to avoid the conflict and reduce the probability of subsequent scheduling conflicts for the wireless node.

[0221] It should be noted that the information transmission method provided in this application embodiment can be executed by an information transmission device or a control module within that information transmission device for executing the loading information transmission method. This application embodiment uses the execution of the loading information transmission method by an information transmission device as an example to illustrate the information transmission device provided in this application embodiment.

[0222] Figure 18 A possible structural schematic diagram of an information transmission device for a first centralized unit according to an embodiment of this application is shown. For example... Figure 18 As shown, the information transmission device 1800 includes:

[0223] The first information determination module 1802 is used to determine resource allocation coordination information;

[0224] The first sending module 1804 is used to send a first message carrying resource configuration coordination information to the second centralized unit.

[0225] In this embodiment, the first centralized unit determines resource configuration coordination information regarding the first service node DU and the second service node DU of the wireless node. Further, it sends this resource configuration coordination information to the second centralized unit, so that the second centralized unit can configure resources for the second service node added to the wireless node based on the resource configuration coordination information. This reduces or avoids scheduling conflicts between the first and second service nodes for the wireless node after the second service node becomes the SN of the wireless node, preventing the wireless node from ensuring that the scheduling of both the first and second service nodes is executed accordingly, thus improving the scheduling efficiency of the wireless node.

[0226] In some embodiments of this application, the wireless node includes an IAB node or a UE, wherein the IAB node includes an MT and a DU. That is, the method of this application embodiment can be applied to the situation of co-frequency DC or co-band inter-frequency DC in an IAB network, where two parent IAB-DUs belong to different CUs, coordinating resource allocation between the two parent IAB-DUs. Furthermore, this method is also applicable to dual connectivity of NR / LTE UEs under the same conditions. This application embodiment can reduce or avoid resource allocation conflicts and scheduling conflicts between the MCG link and SCG link of the UE or MT.

[0227] In some embodiments of this application, the resource configuration coordination information includes at least one of the following: time-frequency resources of the distributed unit of the wireless node; time-frequency resources of the first service node for wireless node scheduling; minimum required time-frequency resources of the first service node for wireless node scheduling; time-frequency resource pool of the second service node for wireless node scheduling; multiplexing scheduling mode between the connection links of the first and second service nodes for wireless node scheduling; duplex mode between the connection links of the first and second service nodes for wireless node scheduling; link direction corresponding to the time-frequency resources; and type indication of the time-frequency resources, wherein the type information of the time-frequency resources includes hard availability, soft availability, and unavailability.

[0228] By sending the above information to the second centralized unit, the second centralized unit can configure resources for the second service node based on the information, so as to reduce or avoid scheduling conflicts between the first service node and the second service node on the MT or UE of the IAB node.

[0229] In some embodiments of this application, the first sending module 1804 is specifically used to: send a first message carrying resource configuration coordination information to the second central unit when a second service node that needs to add a wireless node is required.

[0230] In this embodiment, after receiving a measurement report from a wireless node regarding its surrounding wireless nodes (the measurement report may include the signal quality from the second serving node to the wireless node), the first centralized unit determines to add a second serving node to the wireless node. When sending an add request to the second centralized unit, it sends resource configuration coordination information. That is, the first message can be an add request sent by the first centralized unit to the second centralized unit, informing the second centralized unit to add the second serving node. Through this embodiment, the second centralized unit can perform resource coordination configuration for the second serving node when adding it, reducing or avoiding resource conflicts between the second and first serving nodes when scheduling wireless nodes.

[0231] In some embodiments of this application, such as Figure 18 As shown, the information transmission device 1800 also includes:

[0232] The first receiving module 1806 is used to receive the second message sent by the second central unit and obtain the resource configuration information of the second service node of the wireless node carried in the second message.

[0233] The first processing module 1808 is used to adjust the resource configuration information of the first service node of the wireless node according to the resource configuration information of the second service node.

[0234] In this embodiment, after the second centralizing unit configures resources for the second service node of the added wireless node according to the resource configuration coordination information, it feeds back the resource configuration information of the second service node to the first centralizing unit. The first centralizing unit can further adjust the resource configuration information of the first service node according to the resource configuration information of the second service node, thereby ensuring that the scheduling resources of the first service node for the wireless node and the scheduling resources of the second service node for the wireless node do not conflict, thus improving the success rate of scheduling the wireless node.

[0235] In some embodiments of this application, the first receiving module 1806 is further configured to receive a third message sent by a wireless node and obtain resource conflict information carried in the third message; the first processing module 1808 is further configured to adjust the scheduling of the wireless node or determine resource configuration coordination information based on the resource conflict information.

[0236] In this embodiment, a wireless node can assist in coordinating the scheduling resources of wireless nodes between the first and second service nodes. Specifically, if a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the first central unit. The first central unit then controls the first service node to adjust the scheduling of wireless nodes or re-determine the resource configuration coordination information, thereby reducing the probability of subsequent scheduling conflicts for wireless nodes.

[0237] In some embodiments of this application, resource conflict information includes at least one of system frame number, time slot, or symbol number, and resource conflict type information. The resource conflict type information includes at least one of the following:

[0238] (1) Time-domain overlap or frequency-domain overlap of PDSCH (Physical Downlink Shared Channel), PDCCH (Physical Downlink Control Channel), or CSI-RS (Channel State Information-Reference Signal) transmission between the first service node link and the second service node link.

[0239] (2) Time-domain overlap or frequency-domain overlap of PUSCH (Physical Uplink Control Channel), SRS (Sounding Reference Signal), PUCCH (Physical Uplink Control Channel) or PRACH (Physical Random Access Channel) transmissions between the first service node link and the second service node link.

[0240] (3) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the first service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the second service node link.

[0241] (4) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the second service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the first service node link.

[0242] (5) The time domain overlap or frequency domain overlap of the DCI (Downlink Control Information) search space between the first service node link and the second service node link.

[0243] In this embodiment, when the above-mentioned conflict behavior is detected, it indicates that the scheduling of the wireless node by the first service node and the second service node has conflicted. The wireless node can report one or more of the system frame number, time slot, and symbol number of the conflict outbreak, as well as the conflict type information, to the first centralized unit. The first centralized unit will then decide how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for the wireless node.

[0244] Figure 19 A possible structural schematic diagram of an information transmission device for a second centralized unit according to an embodiment of this application is shown. For example... Figure 19 As shown, the information transmission device 1900 includes:

[0245] The second receiving module 1902 is used to receive the first message sent by the first centralized unit;

[0246] The second information determination module 1904 is used to obtain the resource configuration coordination information carried in the first message;

[0247] The second processing module 1906 is used to configure resources for the second service node of the wireless node according to the resource configuration coordination information.

[0248] In this embodiment, the second central unit receives resource configuration coordination information sent by the first central unit. Further, according to the resource configuration coordination information, it configures resources for the second service node added to the wireless node, thereby reducing or avoiding scheduling conflicts between the first service node and the second service node for the wireless node after the second service node becomes the SN of the wireless node, which would prevent the wireless node from ensuring that the scheduling of the first service node and the second service node is executed accordingly, thus improving the scheduling efficiency of the wireless node.

[0249] In some embodiments of this application, the wireless node includes an IAB node or a UE, wherein the IAB node includes an MT and a DU. That is, the method of this application embodiment can be applied to the situation of co-frequency DC or co-band inter-frequency DC in an IAB network, where two parent IAB-DUs belong to different CUs, coordinating resource allocation between the two parent IAB-DUs. Furthermore, this method is also applicable to dual connectivity of NR / LTE UEs under the same conditions. This application embodiment can reduce or avoid resource allocation conflicts and scheduling conflicts between the MCG link and SCG link of the UE or MT.

[0250] In some embodiments of this application, the resource configuration coordination information includes at least one of the following: time-frequency resources of the distributed unit of the wireless node; time-frequency resources of the first service node for wireless node scheduling; minimum required time-frequency resources of the first service node for wireless node scheduling; time-frequency resource pool of the second service node for wireless node scheduling; multiplexing scheduling mode between the connection links of the first and second service nodes for wireless node scheduling; duplex mode between the connection links of the first and second service nodes for wireless node scheduling; link direction corresponding to the time-frequency resources; and type indication of the time-frequency resources, wherein the type information of the time-frequency resources includes hard availability, soft availability, and unavailability.

[0251] By sending the above information to the second centralized unit, the second centralized unit can configure resources for the second service node based on the information, so as to reduce or avoid scheduling conflicts between the first service node and the second service node on the MT or UE of the IAB node.

[0252] In some embodiments of this application, such as Figure 19 As shown, the information transmission device 1900 further includes:

[0253] The second sending module 1908 is used to send a second message carrying resource configuration information of the second service node to the first centralized unit.

[0254] In this embodiment, after the second central unit configures resources for the second service node of the added wireless node according to the resource configuration coordination information, it will feed back the resource configuration information of the second service node to the first central unit. This allows the first central unit to further adjust the resource configuration information of the first service node according to the resource configuration information of the second service node, thereby ensuring that the scheduling resources of the first service node for the wireless node and the scheduling resources of the second service node for the wireless node will not conflict, thus improving the success rate of scheduling the wireless node.

[0255] In some embodiments of this application, the second receiving module 1902 is further configured to receive a fourth message sent by a wireless node and obtain resource conflict information carried in the fourth message; the second processing module 1906 is further configured to adjust the scheduling of the wireless node or configure resources for the second service node according to the resource conflict information.

[0256] In this embodiment, a wireless node can assist in coordinating the scheduling resources of wireless nodes between the first and second service nodes. Specifically, if a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the second central unit. The second central unit then controls the second service node to adjust its scheduling of wireless nodes or allocate resources to the second service node, thereby reducing the probability of subsequent scheduling conflicts for wireless nodes.

[0257] In some embodiments of this application, resource conflict information includes at least one of system frame number, time slot, or symbol number, and resource conflict type information. The resource conflict type information includes at least one of the following:

[0258] (1) Time-domain overlap or frequency-domain overlap of PDSCH (Physical Downlink Shared Channel), PDCCH (Physical Downlink Control Channel), or CSI-RS (Channel State Information-Reference Signal) transmission between the first service node link and the second service node link.

[0259] (2) Time-domain overlap or frequency-domain overlap of PUSCH (Physical Uplink Control Channel), SRS (Sounding Reference Signal), PUCCH (Physical Uplink Control Channel) or PRACH (Physical Random Access Channel) transmissions between the first service node link and the second service node link.

[0260] (3) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the first service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the second service node link.

[0261] (4) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the second service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the first service node link.

[0262] (5) The time domain overlap or frequency domain overlap of the DCI (Downlink Control Information) search space between the first service node link and the second service node link.

[0263] In this embodiment, when the above-mentioned conflict behavior is detected, it indicates that there is a conflict in the scheduling of wireless nodes by the first service node and the second service node. The wireless node can report one or more of the system frame number, time slot, and symbol number of the conflict outbreak, as well as the conflict type information, to the second centralized unit. The second centralized unit will then decide how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for wireless nodes.

[0264] Figure 20 A schematic diagram of a possible structure of an information transmission device for a wireless node according to an embodiment of this application is shown. Figure 20 As shown, the information transmission device 2000 includes:

[0265] The third information determination module 2002 is used to obtain resource conflict information between the first service node and the second service node;

[0266] The third sending module 2004 is used to send a third message carrying resource conflict information to the first centralized unit, or a fourth message carrying resource conflict information to the second centralized unit, or a fifth message carrying resource conflict information to the first service node, or a sixth message carrying resource conflict information to the second service node.

[0267] In this embodiment, a wireless node can assist in coordinating the scheduling resources of wireless nodes between the first and second service nodes. Specifically, if a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the first service node, the second service node, the first central unit, or the second central unit. The first service node, the second service node, the first central unit, or the second central unit then decides how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for the wireless nodes.

[0268] In some embodiments of this application, the wireless node includes an IAB node or a UE, wherein the IAB node includes an MT and a DU. That is, the method of this application can be applied to the situation of co-frequency DC or co-band inter-frequency DC in an IAB network, where two parent IAB-DUs belong to different CUs, coordinating resource allocation between the two parent IAB-DUs. Furthermore, this method is also applicable to dual connectivity of NR UEs or LTE (Long Term Evolution) UEs under the same conditions. This application embodiment can reduce or avoid resource allocation conflicts and scheduling conflicts between the MCG link and SCG link of the UE or MT.

[0269] In some embodiments of this application, resource conflict information includes at least one of system frame number, time slot, or symbol number, and resource conflict type information. The resource conflict type information includes at least one of the following:

[0270] (1) Time-domain overlap or frequency-domain overlap of PDSCH (Physical Downlink Shared Channel), PDCCH (Physical Downlink Control Channel), or CSI-RS (Channel State Information-Reference Signal) transmission between the first service node link and the second service node link.

[0271] (2) Time-domain overlap or frequency-domain overlap of PUSCH (Physical Uplink Control Channel), SRS (Sounding Reference Signal), PUCCH (Physical Uplink Control Channel) or PRACH (Physical Random Access Channel) transmissions between the first service node link and the second service node link.

[0272] (3) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the first service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the second service node link.

[0273] (4) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the second service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the first service node link.

[0274] (5) The time domain overlap or frequency domain overlap of the DCI (Downlink Control Information) search space between the first service node link and the second service node link.

[0275] In this embodiment, when the above-mentioned conflict behavior is detected, it indicates that the scheduling of the wireless node by the first service node and the second service node has conflicted. The wireless node can report one or more of the system frame number, time slot, and symbol number of the conflict outbreak, as well as the conflict type information, to the first service node, the second service node, the first centralized unit, or the second centralized unit. The first service node, the second service node, the first centralized unit, or the second centralized unit will decide how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for the wireless node.

[0276] Figure 21 This illustration shows a possible structural diagram of an information transmission device for a first service node according to an embodiment of this application. For example... Figure 21 As shown, the information transmission device 2100 includes:

[0277] The fourth receiving module 2102 is used to receive the fifth message sent by the wireless node;

[0278] The fourth information determination module 2104 is used to obtain the resource conflict information with the second service node carried in the fifth message;

[0279] The fourth processing module 2106 is used to adjust the scheduling of wireless nodes based on resource conflict information.

[0280] In this embodiment, a wireless node can assist in coordinating the scheduling resources of wireless nodes between the first and second service nodes. Specifically, if a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the first service node. Upon receiving the resource conflict information, the first service node decides how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for wireless nodes.

[0281] In some embodiments of this application, the wireless node includes an IAB node or a UE, wherein the IAB node includes an MT and a DU. That is, the method of this application embodiment can be applied to the situation of co-frequency DC or co-band inter-frequency DC in an IAB network, where two parent IAB-DUs belong to different CUs, coordinating resource allocation between the two parent IAB-DUs. Furthermore, this method is also applicable to dual connectivity of NR / LTE UEs under the same conditions. This application embodiment can reduce or avoid resource allocation conflicts and scheduling conflicts between the MCG link and SCG link of the UE or MT.

[0282] In some embodiments of this application, resource conflict information includes at least one of system frame number, time slot, or symbol number, and resource conflict type information. The resource conflict type information includes at least one of the following:

[0283] (1) Time-domain overlap or frequency-domain overlap of PDSCH (Physical Downlink Shared Channel), PDCCH (Physical Downlink Control Channel), or CSI-RS (Channel State Information-Reference Signal) transmission between the first service node link and the second service node link.

[0284] (2) Time-domain overlap or frequency-domain overlap of PUSCH (Physical Uplink Control Channel), SRS (Sounding Reference Signal), PUCCH (Physical Uplink Control Channel) or PRACH (Physical Random Access Channel) transmissions between the first service node link and the second service node link.

[0285] (3) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the first service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the second service node link.

[0286] (4) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the second service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the first service node link.

[0287] (5) The time domain overlap or frequency domain overlap of the DCI (Downlink Control Information) search space between the first service node link and the second service node link.

[0288] In this embodiment, when the above-mentioned conflict behavior is detected, it indicates that there is a conflict in the scheduling of wireless nodes between the first service node and the second service node. The wireless node can report one or more of the system frame number, time slot, and symbol sequence number of the conflict outbreak, as well as the conflict type information, to the first service node. The first service node then decides how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for wireless nodes.

[0289] Figure 22This illustration shows a possible structural diagram of an information transmission device for a second service node according to an embodiment of this application. Figure 22 As shown, the information transmission device 2200 includes:

[0290] The fifth receiving module 2202 is used to receive the sixth message sent by the wireless node;

[0291] The fifth information determination module 2204 is used to obtain the resource conflict information with the first service node carried in the sixth message;

[0292] The fifth processing module 2206 is used to adjust the scheduling of wireless nodes based on resource conflict information.

[0293] In this embodiment, a wireless node can assist in coordinating the scheduling resources of wireless nodes between the first and second service nodes. Specifically, if a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the second service node. Upon receiving the resource conflict information, the second service node decides how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for wireless nodes.

[0294] In some embodiments of this application, the wireless node includes an IAB node or a UE, wherein the IAB node includes an MT and a DU. That is, the method of this application embodiment can be applied to the situation of co-frequency DC or co-band inter-frequency DC in an IAB network, where two parent IAB-DUs belong to different CUs, coordinating resource allocation between the two parent IAB-DUs. Furthermore, this method is also applicable to dual connectivity of NR / LTE UEs under the same conditions. This application embodiment can reduce or avoid resource allocation conflicts and scheduling conflicts between the MCG link and SCG link of the UE or MT.

[0295] In some embodiments of this application, resource conflict information includes at least one of system frame number, time slot, or symbol number, and resource conflict type information. The resource conflict type information includes at least one of the following:

[0296] (1) Time-domain overlap or frequency-domain overlap of PDSCH (Physical Downlink Shared Channel), PDCCH (Physical Downlink Control Channel), or CSI-RS (Channel State Information-Reference Signal) transmission between the first service node link and the second service node link.

[0297] (2) Time-domain overlap or frequency-domain overlap of PUSCH (Physical Uplink Control Channel), SRS (Sounding Reference Signal), PUCCH (Physical Uplink Control Channel) or PRACH (Physical Random Access Channel) transmissions between the first service node link and the second service node link.

[0298] (3) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the first service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the second service node link.

[0299] (4) At least one of the PUSCH, SRS, PUCCH and PRACH transmissions of the second service node link overlaps in the time domain or frequency domain with at least one of the PDSCH, PDCCH and CSI-RS transmissions of the first service node link.

[0300] (5) The time domain overlap or frequency domain overlap of the DCI (Downlink Control Information) search space between the first service node link and the second service node link.

[0301] In this embodiment, when the above-mentioned conflict behavior is detected, it indicates that there is a conflict between the first service node and the second service node in scheduling the wireless node. The wireless node can report one or more of the system frame number, time slot, and symbol number of the conflict outbreak, as well as the conflict type information, to the second service node, which will then decide how to avoid the conflict and reduce the probability of subsequent scheduling conflicts for the wireless node.

[0302] The information transmission device in this application embodiment can be a device, or a component, integrated circuit, or chip in a terminal. The device can be a mobile electronic device or a non-mobile electronic device. For example, mobile electronic devices can be mobile phones, tablets, laptops, PDAs, in-vehicle electronic devices, wearable devices, ultra-mobile personal computers (UMPCs), netbooks, or personal digital assistants (PDAs), etc., while non-mobile electronic devices can be servers, network-attached storage (NAS), personal computers (PCs), televisions (TVs), ATMs, or self-service machines, etc. This application embodiment does not impose specific limitations.

[0303] The information transmission device in this application embodiment can be a device with an operating system. This operating system can be Android, iOS, or other possible operating systems; this application embodiment does not specifically limit the specific operating system used.

[0304] The information transmission device provided in this application embodiment can achieve... Figures 7 to 17 The various processes implemented by the information transmission method in the embodiments can achieve the same technical effect, and will not be described again here to avoid repetition.

[0305] Optionally, this application embodiment also provides an electronic device 2300, including a processor 2320, a memory 2318, and a program or instructions stored in the memory 2318 and executable on the processor 2320. When the program or instructions are executed by the processor 2320, they implement the various processes of the above-described information transmission method embodiment and achieve the same technical effect. To avoid repetition, they will not be described again here.

[0306] It should be noted that the electronic devices in the embodiments of this application include the mobile electronic devices and non-mobile electronic devices described above.

[0307] Figure 23 A schematic diagram of the hardware structure of an electronic device 2300 to implement an embodiment of this application.

[0308] The electronic device 2300 includes, but is not limited to, components such as: radio frequency unit 2302, network module 2304, audio output unit 2306, input unit 2308, sensor 2310, display unit 2312, user input unit 2314, interface unit 2316, memory 2318, and processor 2320.

[0309] Those skilled in the art will understand that the electronic device 2300 may also include a power supply (such as a battery) for supplying power to various components. The power supply may be logically connected to the processor 2320 through a power management system, thereby enabling functions such as managing charging, discharging, and power consumption through the power management system. Figure 23 The electronic device structure shown does not constitute a limitation on the electronic device. The electronic device may include more or fewer components than shown, or combine certain components, or have different component arrangements, which will not be elaborated here.

[0310] In a first aspect of this embodiment, processor 2320 is configured to determine resource configuration coordination information; radio frequency unit 2302 is configured to send a first message carrying resource configuration coordination information to a second centralized unit.

[0311] In this embodiment, the first centralized unit determines resource configuration coordination information regarding the first service node DU and the second service node DU of the wireless node. Further, it sends this resource configuration coordination information to the second centralized unit, so that the second centralized unit can configure resources for the second service node added to the wireless node based on the resource configuration coordination information. This reduces or avoids scheduling conflicts between the first and second service nodes for the wireless node after the second service node becomes the SN of the wireless node, preventing the wireless node from ensuring that the scheduling of both the first and second service nodes is executed accordingly, thus improving the scheduling efficiency of the wireless node.

[0312] Furthermore, the radio frequency unit 2302 is specifically used to send a first message carrying resource configuration coordination information to the second centralized unit when a second service node that requires the addition of a wireless node is needed.

[0313] Furthermore, the radio frequency unit 2302 is also used to receive the second message sent by the second central unit and obtain the resource configuration information of the second service node of the wireless node carried in the second message; the processor 2320 is also used to adjust the resource configuration information of the first service node of the wireless node according to the resource configuration information of the second service node.

[0314] Furthermore, the radio frequency unit 2302 is also used to receive a third message sent by a wireless node; the processor 2320 is also used to obtain resource conflict information carried in the third message, and adjust the scheduling of the wireless node or determine resource configuration coordination information based on the resource conflict information.

[0315] In a second aspect of this embodiment, the radio frequency unit 2302 is configured to receive a first message sent by the first central unit; the processor 2320 is configured to acquire resource configuration coordination information carried in the first message, and configure resources for the second service node of the wireless node according to the resource configuration coordination information.

[0316] In this embodiment, the second central unit receives resource configuration coordination information sent by the first central unit, and further configures resources for the second service node of the added wireless node according to the resource configuration coordination information, thereby reducing or avoiding scheduling conflicts between the first service node and the second service node for the wireless node after the second service node becomes the SN of the wireless node, which would prevent the wireless node from ensuring that the scheduling of the first service node and the second service node is executed accordingly, thus improving the scheduling efficiency of the wireless node.

[0317] Furthermore, the radio frequency unit 2302 is also used to send a second message carrying resource configuration information of the second service node to the first centralized unit.

[0318] Furthermore, the radio frequency unit 2302 is also used to receive the fourth message sent by the wireless node; the processor 2320 is also used to obtain the resource conflict information carried in the fourth message, and adjust the scheduling of the wireless node or configure resources for the second service node according to the resource conflict information.

[0319] In a third aspect of this embodiment, the processor 2320 is configured to acquire resource conflict information between the first service node and the second service node; the radio frequency unit 2302 is configured to send a third message carrying resource conflict information to the first central unit, or a fourth message carrying resource conflict information to the second central unit, or a fifth message carrying resource conflict information to the first service node, or a sixth message carrying resource conflict information to the second service node.

[0320] In this embodiment, a wireless node can assist in coordinating the scheduling resources of wireless nodes between the first and second service nodes. Specifically, if a wireless node discovers a conflict between the transmission resources scheduled by the first and second service nodes, it can report the resource conflict information to the first service node, the second service node, the first central unit, or the second central unit. The first service node, the second service node, the first central unit, or the second central unit then decides how to avoid the conflict, thereby reducing the probability of subsequent scheduling conflicts for the wireless nodes.

[0321] In a fourth aspect of this embodiment, the radio frequency unit 2302 is used to receive a fifth message sent by a wireless node; the processor 2320 is used to obtain resource conflict information with the second service node carried in the fifth message, and to adjust the scheduling of the wireless node according to the resource conflict information.

[0322] In a fifth aspect of this embodiment, the radio frequency unit 2302 is used to receive a sixth message sent by a wireless node; the processor 2320 is used to obtain resource conflict information with the first service node carried in the sixth message, and to adjust the scheduling of the wireless node according to the resource conflict information.

[0323] It should be understood that, in this embodiment, the radio frequency unit 2302 can be used to send and receive information or signals during a call, specifically, to receive downlink data from the base station or to send uplink data to the base station. The radio frequency unit 2302 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low-noise amplifier, a duplexer, etc.

[0324] Network module 2304 provides users with wireless broadband internet access, such as helping users send and receive emails, browse web pages, and access streaming media.

[0325] The audio output unit 2306 can convert audio data received by the radio frequency unit 2302 or the network module 2304 or stored in the memory 2318 into audio signals and output them as sound. Furthermore, the audio output unit 2306 can also provide audio output related to specific functions performed by the electronic device 2300 (e.g., call signal reception sound, message reception sound, etc.). The audio output unit 2306 includes a speaker, a buzzer, and a receiver, etc.

[0326] Input unit 2308 is used to receive audio or video signals. Input unit 2308 may include a graphics processing unit (GPU) 23082 and a microphone 23084. The GPU 23082 processes image data of still images or videos acquired by an image capture device (such as a camera) in video capture mode or image capture mode. The processed image frames may be displayed on display unit 2312, stored in memory 2318 (or other storage medium), or transmitted via radio frequency unit 2302 or network module 2304. Microphone 23084 can receive sound and process the sound into audio data. The processed audio data can be converted into a format that can be transmitted to a mobile communication base station via radio frequency unit 2302 in telephone call mode.

[0327] Electronic device 2300 also includes at least one sensor 2310, such as a fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared sensor, light sensor, motion sensor, and other sensors.

[0328] The display unit 2312 is used to display information input by the user or information provided to the user. The display unit 2312 may include a display panel 23122, which may be configured in the form of a liquid crystal display, an organic light-emitting diode, or the like.

[0329] User input unit 2314 can be used to receive input numeric or character information, and generate key signal inputs related to user settings and function control of electronic devices. Specifically, user input unit 2314 includes touch panel 23142 and other input devices 23144. Touch panel 23142, also known as touch screen, can collect touch operations by the user on or near it. Touch panel 23142 may include two parts: a touch detection device and a touch controller. The touch detection device detects the user's touch position and the signal generated by the touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, and sends it to processor 2320, and receives and executes commands from processor 2320. Other input devices 23144 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, power buttons, etc.), trackballs, mice, and joysticks, which will not be described in detail here.

[0330] Furthermore, the touch panel 23142 can cover the display panel 23122. When the touch panel 23142 detects a touch operation on or near it, it transmits the information to the processor 2320 to determine the type of touch event. Subsequently, the processor 2320 provides corresponding visual output on the display panel 23122 according to the type of touch event. The touch panel 23142 and the display panel 23122 can be two independent components or integrated into one component.

[0331] Interface unit 2316 serves as an interface for connecting external devices to electronic device 2300. For example, external devices may include a wired or wireless headphone port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, an audio input / output (I / O) port, a video I / O port, a headphone port, and so on. Interface unit 2316 can be used to receive input from external devices (e.g., data, power, etc.) and transmit the received input to one or more components within electronic device 2300, or it can be used to transmit data between electronic device 2300 and external devices.

[0332] The memory 2318 can be used to store software programs and various data. The memory 2318 may primarily include a program storage area and a data storage area. The program storage area may store the operating system, application programs required for at least one function (such as sound playback, image playback, etc.), etc.; the data storage area may store data created based on the use of the mobile terminal (such as audio data, phonebook, etc.). Furthermore, the memory 2318 may include high-speed random access memory, and may also include non-volatile memory, such as at least one disk storage device, flash memory device, or other volatile solid-state storage device.

[0333] The processor 2320 performs various functions and processes data of the electronic device 2300 by running or executing software programs and / or modules stored in the memory 2318 and calling data stored in the memory 2318, thereby providing overall monitoring of the electronic device 2300. The processor 2320 may include one or more processing units; the processor 2320 may integrate an application processor and a modem processor, wherein the application processor mainly handles the operating system, user interface, and application programs, and the modem processor mainly handles wireless communication.

[0334] This application also provides a readable storage medium storing a program or instructions. When the program or instructions are executed by a processor, they implement the various processes of the above-described information transmission method embodiments and achieve the same technical effects. To avoid repetition, they will not be described again here.

[0335] The processor is the processor in the electronic device described in the above embodiments. The readable storage medium includes computer-readable storage media, such as computer read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk.

[0336] This application also provides a chip, which includes a processor and a communication interface. The communication interface and the processor are coupled. The processor is used to run programs or instructions to implement the various processes of the above-described information transmission method embodiments and achieve the same technical effects. To avoid repetition, it will not be described again here. It should be understood that the chip mentioned in this application embodiment can also be called a system-on-a-chip, system chip, chip system, or system-on-a-chip, etc.

[0337] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0338] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes several instructions to cause a terminal (which may be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in the various embodiments of this application.

[0339] The embodiments of this application have been described above with reference to the accompanying 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 make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. An information transmission method, characterized in that, include: The first centralized unit determines resource allocation and coordination information; The first centralized unit sends a first message carrying the resource configuration coordination information to the second centralized unit; Wherein, the first centralized unit controls the first service node, the second centralized unit controls the second service node, and the first service node and the second service node schedule the same wireless node; the resource configuration coordination information is used by the second centralized unit to configure resources for the second service node of the wireless node; The resource allocation coordination information includes at least one of the following: The first service node schedules the time-frequency resources of the wireless node; The multiplexing scheduling method between the first service node scheduling the connection link of the wireless node and the second service node scheduling the connection link of the wireless node; The first service node schedules the connection link of the wireless node and the second service node schedules the wireless node in a full-duplex mode; The link direction corresponding to the time-frequency resource.

2. The information transmission method according to claim 1, characterized in that, Also includes: The first centralized unit receives the second message sent by the second centralized unit; The first centralized unit obtains the resource configuration information of the second service node of the wireless node carried in the second message; The first centralized unit adjusts the resource configuration information of the first service node of the wireless node according to the resource configuration information of the second service node.

3. The information transmission method according to claim 2, characterized in that, The first centralized unit sends a first message carrying the resource configuration coordination information to the second centralized unit, including: In the case where the second service node of the wireless node needs to be added, the first central unit sends a first message carrying the resource configuration coordination information to the second central unit.

4. The information transmission method according to claim 2 or 3, characterized in that, Also includes: The first centralized unit receives the third message sent by the wireless node; The first centralized unit obtains the resource conflict information carried in the third message; The first centralized unit adjusts the scheduling of the wireless nodes or determines the resource configuration coordination information based on the resource conflict information.

5. The information transmission method according to claim 4, characterized in that, The resource conflict information includes at least one of the system frame number, time slot or symbol number, and resource conflict type information.

6. The information transmission method according to claim 5, characterized in that, The resource conflict type information includes at least one of the following: The time-domain or frequency-domain overlap of the transmission of the physical downlink shared channel, physical downlink control channel or channel state information reference signal between the first service node link and the second service node link. The physical uplink shared channel, channel sounding reference signal, physical uplink control channel or physical layer random access channel transmissions between the first service node link and the second service node link overlap in the time domain or frequency domain. At least one of the transmissions of the physical uplink shared channel, channel sounding reference signal, physical uplink control channel, and physical layer random access channel of the first serving node link overlaps in the time domain or frequency domain with at least one of the transmissions of the physical downlink shared channel, physical downlink control channel, and channel state information reference signal of the second serving node link. At least one of the physical uplink shared channel, channel sounding reference signal, physical uplink control channel and physical layer random access channel transmission of the second service node link overlaps in the time domain or frequency domain with at least one of the physical downlink shared channel, physical downlink control channel and channel state information reference signal transmission of the first service node link. The downlink information between the first service node link and the second service node link controls the time-domain or frequency-domain overlap of the search space.

7. The information transmission method according to claim 2 or 3, characterized in that, The wireless node includes a self-backhaul node or a user terminal.

8. An information transmission method, characterized in that, include: The second centralized unit receives the first message sent by the first centralized unit. The first centralized unit controls the first service node, and the second centralized unit controls the second service node. The first service node and the second service node schedule the same wireless node. The second centralized unit obtains the resource configuration coordination information carried in the first message; The second centralized unit configures resources for the second service node of the wireless node according to the resource configuration coordination information; The resource allocation coordination information includes at least one of the following: The first service node schedules the time-frequency resources of the wireless node; The multiplexing scheduling method between the first service node scheduling the connection link of the wireless node and the second service node scheduling the connection link of the wireless node; The first service node schedules the connection link of the wireless node and the second service node schedules the wireless node in a full-duplex mode; The link direction corresponding to the time-frequency resource.

9. The information transmission method according to claim 8, characterized in that, Also includes: The second centralized unit sends a second message to the first centralized unit, carrying the resource configuration information of the second service node.

10. The information transmission method according to claim 8 or 9, characterized in that, Also includes: The second centralized unit receives the fourth message sent by the wireless node; The second centralized unit obtains the resource conflict information carried in the fourth message; The second centralized unit adjusts the scheduling of the wireless node or configures resources for the second service node based on the resource conflict information.

11. The information transmission method according to claim 10, characterized in that, The resource conflict information includes at least one of the system frame number, time slot or symbol number, and resource conflict type information.

12. The information transmission method according to claim 11, characterized in that, The resource conflict type information includes at least one of the following: The time-domain or frequency-domain overlap of the physical downlink shared channel, physical downlink control channel, or channel state information reference signal transmission between the first service node link and the second service node link of the wireless node. The physical uplink shared channel, channel sounding reference signal, physical uplink control channel or physical layer random access channel transmissions between the first service node link and the second service node link overlap in the time domain or frequency domain. At least one of the transmissions of the physical uplink shared channel, channel sounding reference signal, physical uplink control channel, and physical layer random access channel of the first serving node link overlaps in the time domain or frequency domain with at least one of the transmissions of the physical downlink shared channel, physical downlink control channel, and channel state information reference signal of the second serving node link. At least one of the physical uplink shared channel, channel sounding reference signal, physical uplink control channel and physical layer random access channel transmission of the second service node link overlaps in the time domain or frequency domain with at least one of the physical downlink shared channel, physical downlink control channel and channel state information reference signal transmission of the first service node link. The downlink information between the first service node link and the second service node link controls the time-domain or frequency-domain overlap of the search space.

13. The information transmission method according to claim 8 or 9, characterized in that, The wireless node includes a self-backhaul node or a user terminal.

14. An information transmission device, characterized in that, Applied to the first centralized unit, including: The first information determination module is used to determine resource allocation coordination information; The first sending module is used to send a first message carrying the resource configuration coordination information to the second centralized unit; Wherein, the first centralized unit controls the first service node, the second centralized unit controls the second service node, and the first service node and the second service node schedule the same wireless node; the resource configuration coordination information is used by the second centralized unit to configure resources for the second service node of the wireless node; The resource allocation coordination information includes at least one of the following: The first service node schedules the time-frequency resources of the wireless node; The multiplexing scheduling method between the first service node scheduling the connection link of the wireless node and the second service node scheduling the connection link of the wireless node; The first service node schedules the connection link of the wireless node and the second service node schedules the wireless node in a full-duplex mode; The link direction corresponding to the time-frequency resource.

15. An information transmission device, characterized in that, Applied to the second centralized unit, including: The second receiving module is used to receive the first message sent by the first central unit. The first central unit controls the first service node, and the second central unit controls the second service node. The first service node and the second service node schedule the same wireless node. The second information determination module is used to obtain the resource configuration coordination information carried in the first message; The second processing module is used to configure resources for the second service node of the wireless node according to the resource configuration coordination information; The resource allocation coordination information includes at least one of the following: The first service node schedules the time-frequency resources of the wireless node; The multiplexing scheduling method between the first service node scheduling the connection link of the wireless node and the second service node scheduling the connection link of the wireless node; The first service node schedules the connection link of the wireless node and the second service node schedules the wireless node in a full-duplex mode; The link direction corresponding to the time-frequency resource.

16. An electronic device, characterized in that, Includes a processor, memory, and a program or instructions stored in the memory and executable on the processor, wherein the program or instructions are implemented when executed by the processor: The steps of the information transmission method as described in any one of claims 1 to 7; or The steps of the information transmission method as described in any one of claims 8 to 13.

17. A readable storage medium, characterized in that, The readable storage medium stores a program or instructions that are implemented when executed by a processor: The steps of the information transmission method as described in any one of claims 1 to 7; or The steps of the information transmission method as described in any one of claims 8 to 13.

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