Resource management method and related apparatus

Abstract

The present application provides a resource management method and a related apparatus. In the resource management method provided by the present application, when the change in an activation state of an SCG is triggered, historical information related to SCG resource activation / deactivation is recorded in user equipment historical information (UHI), and a network device configures and releases the SCG for a UE on the basis of the historical information recorded in the UHI and related to the SCG resource activation / deactivation, improving the utilization rate of SCG resources.

Description

Resource management method and related device

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on April 3, 2024, with application number 202410408226.9 and application name “Resource Management Method and Related Devices”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of communications, and in particular to a resource management method and related devices. Background Art

[0003] In a dual connectivity (DC) scenario, multiple base stations are supported to provide data transmission services to a terminal equipment (UE) at the same time, where the serving cell group provided by the secondary base station to the UE is called a secondary cell group (SCG).

[0004] In order to save UE power consumption, an SCG activation / deactivation mechanism is introduced, that is, when the terminal device's service on the secondary base station side is in a low-activity state or has a low requirement for data transmission speed, the terminal device temporarily deactivates the SCG, and when the terminal device's service on the secondary base station side is in an active state or has a high requirement for data transmission speed, the terminal device keeps the SCG in an activated state.

[0005] Currently, to optimize terminal device mobility, terminal devices or network devices record their historical mobility information. However, during a UE handover, upon receiving the historical mobility information from the source network device or the terminal device, the target network device cannot determine whether to configure an SCG for the UE, or whether to deactivate or release the SCG after configuring it. This prevents efficient allocation and utilization of SCG resources. Summary of the Invention

[0006] This application provides a resource management method and related devices, aiming to optimize the use and allocation of SCG resources and improve the utilization rate of SCG resources.

[0007] In a first aspect, the present application provides a resource management method applied to the network side, such as a network device or a communication module in a network device, or a circuit or chip responsible for a communication function in a network device (such as a modem chip, also known as a baseband chip, or a system on chip (SoC) chip or system in package (SIP) chip containing a modem core). Taking the method applied to a network device as an example, the method includes:

[0008] Determine whether the first secondary cell group SCG is activated or deactivated; record the user equipment historical information UHI, UHI including the historical activation information or historical deactivation information of the first SCG, the historical activation information or historical deactivation information of the first SCG is any one of the following information levels: primary and secondary cell level, secondary network equipment level, or primary cell level.

[0009] The first SCG may switch (change) between activation / deactivation states. Accordingly, the content in the UHI includes the historical activation information and / or historical deactivation information of the first SCG. The network equipment side can optimize the use and allocation of SCG resources for the UE based on the UHI, thereby improving the utilization rate of SCG resources.

[0010] In some implementations, the historical activation information of the first SCG includes at least one of the following information: whether the first SCG has been activated, the number of activations of the first SCG, the activation time information of the first SCG, the identifiers of the cells included in the first SCG, and the number of cells included in the first SCG.

[0011] The historical deactivation information of the first SCG includes at least one of the following information: whether the first SCG has been deactivated, the number of deactivations of the first SCG, the deactivation time information of the first SCG, the identifiers of the cells included in the first SCG, and the number of cells included in the first SCG.

[0012] In some implementations, the activation time information of the first SCG includes at least one of the following information: the duration of each activation in at least one activation when the first SCG is in the activated state, the total duration of the first SCG in the activated state, the start time and / or end time of each activation in at least one activation when the first SCG is in the activated state, at least one first duration ratio, and a second duration ratio, wherein each first duration ratio in the at least one first duration ratio is the ratio of the duration of each activation in at least one activation when the first SCG is in the activated state to the target residence time, and the second duration ratio is the ratio of the total duration of the first SCG in the activated state to the target residence time, and the target residence time is correlated with the information level of the historical activation information and / or historical deactivation information of the first SCG.

[0013] The activation time information of the first SCG can provide a reference for the UE's activation / deactivation requirements for SCG resources. The network equipment can better manage the use and allocation of SCG resources for the UE and improve the utilization rate of SCG resources.

[0014] In some implementations, recording user equipment history information UHI includes:

[0015] When the first duration ratio or the second duration ratio in at least one first duration ratio is not greater than the first threshold, the historical activation information of the first SCG is recorded in the UHI, or the identification and / or number of cells included in the first SCG is included in the historical activation information of the first SCG; or, when the duration of a single activation exists in at least one activation when the first SCG is in an activated state or the total duration of the first SCG in an activated state is not greater than the second threshold, the historical activation information of the first SCG is recorded in the UHI, or the identification and / or number of cells included in the first SCG is included in the historical activation information of the first SCG.

[0016] When the proportion of the first duration is not higher than the first threshold or the duration of a single activation is not higher than the second threshold, only the activation information of the single first SCG when the conditions are met can be recorded, or multiple single activations can meet the conditions, that is, the corresponding first SCG activation information is recorded when multiple single activations meet the conditions.

[0017] The above first threshold and second threshold are preset threshold values. When the threshold values ​​are met, the historical activation information of the first SCG is recorded, or when the threshold values ​​are met, the identification and / or number of cells included in the first SCG are recorded in the historical activation information of the first SCG. This can streamline the historical activation / deactivation information of the first SCG contained in the UHI, thereby saving storage space in the UHI.

[0018] In some implementations, the deactivation time information of the first SCG includes at least one of the following information: the duration of each deactivation in at least one deactivation when the first SCG is in the deactivated state, the total duration of the first SCG in the deactivated state, the start time and / or end time of each deactivation in at least one deactivation when the first SCG is in the deactivated state, at least one third duration ratio, and a fourth duration ratio, wherein each third duration ratio in the at least one third duration ratio is the ratio of the duration of each deactivation in at least one deactivation when the first SCG is in the deactivated state to the target residence time, and the fourth duration ratio is the ratio of the total duration of the first SCG in the deactivated state to the target residence time, and the target residence time is correlated with the information level of the historical activation information and / or historical deactivation information of the first SCG.

[0019] In some implementations, recording user equipment history information UHI includes:

[0020] When the third duration ratio exists in at least one third duration ratio or the fourth duration ratio is not lower than the third threshold, the historical deactivation information of the first SCG is recorded in the UHI, or the identification and / or number of cells included in the first SCG is included in the historical deactivation information of the first SCG; or, when the duration of a single deactivation exists in at least one deactivation when the first SCG is in the deactivated state or the total duration of the first SCG in the deactivated state is not lower than the fourth threshold, the historical deactivation information of the first SCG is recorded in the UHI, or the identification and / or number of cells included in the first SCG is included in the historical deactivation information of the first SCG.

[0021] When the proportion of the third duration is not less than the third threshold, or the duration of a single deactivation is not less than the fourth threshold, only the single first SCG deactivation information that meets the conditions can be recorded, or multiple single deactivations that meet the conditions can be recorded, that is, the corresponding first SCG deactivation information when multiple single deactivations meet the conditions is recorded.

[0022] In some implementations, the historical activation information and / or historical deactivation information of the first SCG is information at the primary and secondary cell level, and the first SCG is the SCG corresponding to each primary and secondary cell accessed by the terminal device.

[0023] The target dwell time is associated with the information level of the historical activation information and / or historical deactivation information of the first SCG, including:

[0024] When the historical activation information and / or historical deactivation information of the first SCG is information at the primary and secondary cell levels, the target residence time is the residence time of the terminal device in each primary and secondary cell visited.

[0025] In some implementations, the historical activation information and / or historical deactivation information of the first SCG is information at the auxiliary network device level. The first SCG is the SCG corresponding to one or more primary and secondary cells accessed by the terminal device, and the auxiliary network device manages the one or more primary and secondary cells accessed by the terminal device.

[0026] The target dwell time is associated with the information level of the historical activation information and / or historical deactivation information of the first SCG, including:

[0027] When the historical activation information and / or historical deactivation information of the first SCG is information at the secondary network device level, the target residence time is the sum of the residence times of the terminal device in one or more primary and secondary cells visited.

[0028] Compared with the information at the primary and secondary cell levels, when the historical activation information and / or historical deactivation information of the first SCG is information at the secondary network device level, the corresponding granularity of the historical activation information and / or historical deactivation information of the first SCG is coarser, which reduces the amount of information contained therein and can save storage space in the UHI.

[0029] In some implementations, the historical activation information and / or historical deactivation information of the first SCG also includes identification information of the secondary network device.

[0030] In some implementations, the historical activation information and / or historical deactivation information of the first SCG is primary cell-level information, and the first SCG is the SCG corresponding to one or more primary and secondary cells to which the terminal device is connected when accessing the primary cell.

[0031] The target dwell time is associated with the information level of the historical activation information and / or historical deactivation information of the first SCG, including:

[0032] When the historical activation information and / or historical deactivation information of the first SCG is primary cell-level information, the target residence time is the residence time of the terminal device in the visited primary cell or the sum of the residence times of the terminal device in one or more primary and secondary cells connected to the visited primary cell.

[0033] When the historical activation information and / or historical deactivation information of the first SCG is the main cell-level information, the granularity corresponding to the historical activation information and / or historical deactivation information of the first SCG is coarser than the above auxiliary network device-level information, further reducing the amount of information contained therein, thereby saving more storage space for UHI.

[0034] In a second aspect, the present application provides a resource management device, comprising modules or units for implementing the method in the first aspect and any possible implementation of the first aspect, and each module or unit can implement the corresponding function by executing a computer program.

[0035] Illustratively, the resource management apparatus in the second aspect is a network device, or a component configured in the network device, such as a chip, a chip system, a processor, and the like.

[0036] In a third aspect, the present application provides a resource management device, comprising a processor, configured to execute the resource management method in any possible implementation manner in the first aspect.

[0037] Optionally, the device may further include a memory for storing instructions and data. The memory is coupled to the processor, and when the processor executes the instructions stored in the memory, the methods described in the above aspects may be implemented.

[0038] Optionally, the device may further include a communication interface, which is used for the device to communicate with other communication devices. Exemplarily, the communication interface may be a transceiver, circuit, bus, module, pin or other types of communication interfaces.

[0039] Illustratively, the resource management device provided in the third aspect is a chip or a chip system.

[0040] In a fourth aspect, the present application provides a resource management device comprising a processor and a communication interface, wherein the communication interface is configured to receive signals from a communication device other than the resource management device and transmit the signals to the processor, or to transmit signals from the processor to a communication device other than the resource management device, and wherein the processor implements the resource management method of the first aspect and any possible implementation of the first aspect through logic circuits or by executing code instructions. Exemplarily, the communication interface may be a transceiver, circuit, bus, module, pin, or other type of communication interface.

[0041] Optionally, the device further includes a memory for storing instructions and data. The memory is coupled to the processor, and when the processor executes the instructions stored in the memory, the resource management method in the first aspect and any possible implementation of the first aspect can be implemented.

[0042] In a fifth aspect, the present application provides a resource management device, including a processor and a memory, the memory being used to store instructions and data. When the processor executes the instructions stored in the memory, it can implement the resource management method in the first aspect and any possible implementation of the first aspect.

[0043] Optionally, the device further includes a communication interface, which is used for the device to communicate with other communication devices. Exemplarily, the communication interface may be a transceiver, circuit, bus, module, pin or other type of communication interface.

[0044] Illustratively, the resource management device in the fourth aspect and the fifth aspect is a network device.

[0045] In a sixth aspect, the present application provides a chip system comprising at least one processor configured to support the implementation of the functions involved in the first aspect and any possible implementation of the first aspect, such as receiving or processing the data and / or information involved in the above method.

[0046] In one possible design, the chip system also includes a memory, which is used to store program instructions and data. The memory is located inside or outside the processor.

[0047] The chip system can be composed of chips, or can include chips and other discrete devices.

[0048] In a seventh aspect, the present application provides a computer-readable storage medium comprising a computer program, which, when executed on a computer, enables the computer to implement the method in the first aspect and any possible implementation of the first aspect.

[0049] In an eighth aspect, the present application provides a computer program product, which includes: a computer program (also referred to as code, or instructions), which, when run, enables a computer to execute the method in the first aspect and any possible implementation of the first aspect.

[0050] The second to eighth aspects of this application correspond to the technical solutions of the first aspect of this application. The beneficial effects achieved by each aspect and the corresponding feasible implementation methods are similar and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0052] FIG1 is a schematic diagram of the architecture of a communication system used in an embodiment of the present application;

[0053] FIG2 is a schematic diagram of an access network device used in an embodiment of the present application;

[0054] FIG3 is a schematic diagram of a dual connectivity architecture in a wireless communication system;

[0055] FIG4 is a schematic diagram of a resource management method provided by an embodiment of the present application;

[0056] FIG5 is a schematic diagram of the process of MN triggering SCG activation or deactivation;

[0057] FIG6 is a schematic diagram of the process of SN triggering SCG activation or deactivation;

[0058] FIG7 is a schematic block diagram of a resource management device provided by an embodiment of the present application;

[0059] FIG8 is a schematic diagram of the structure of a resource management device provided in yet another embodiment of the present application.

[0060] The above drawings illustrate specific embodiments of the present application, which will be described in more detail below. These drawings and the textual description are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0061] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

[0062] It should be understood that in this application, "at least one" means one or more, and "more" means two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone, where A and B can be singular or plural. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship, but it does not exclude the situation where it indicates that the previous and next associated objects are in an "and" relationship. The specific meaning can be understood in conjunction with the context. "At least one of the following items" or similar expressions refers to any combination of these items, including any combination of single items or plural items. For example, at least one of a, b, or c can mean: a, b, c; a and b; a and c; b and c; or a and b and c. Where a, b, c can be single or multiple.

[0063] Figure 1 is a schematic diagram of the architecture of a communication system used in an embodiment of the present application. Figure 1 shows a schematic diagram of a possible, non-limiting system architecture. As shown in Figure 1, communication system 1000 includes a radio access network (RAN) 100 and a core network (CN) 200. RAN 100 includes at least one RAN node (such as 110a and 110b in Figure 1, collectively referred to as 110) and at least one terminal device (such as 120a-120j in Figure 1, collectively referred to as 120). RAN 100 may also include other RAN nodes, such as wireless relay devices and / or wireless backhaul devices (not shown in Figure 1). Terminal device 120 is wirelessly connected to RAN node 110. RAN node 110 is wirelessly or wiredly connected to core network 200. The core network devices in core network 200 and RAN node 110 in RAN 100 can be different physical devices, or they can be the same physical device that integrates core network logical functions and radio access network logical functions.

[0064] The RAN 100 may be a cellular system related to the Third Generation Partnership Project (3GPP), such as a 4G or 5G mobile communication system, or a future-oriented evolutionary system (such as a 6G mobile communication system). The RAN 100 may also be an open access network (O-RAN or ORAN), a cloud radio access network (CRAN), or a wireless fidelity (Wi-Fi) system. The RAN 100 may also be a communication system that integrates two or more of the above systems.

[0065] RAN node 110, sometimes also referred to as access network equipment, RAN entity, or access node, is part of a communication system that facilitates wireless access for terminal devices. Multiple RAN nodes 110 in communication system 1000 can be of the same type or different types. In some scenarios, the roles of RAN node 110 and terminal device 120 are relative. For example, network element 120i in Figure 1 can be a helicopter or drone, which can be configured as a mobile base station. For terminal device 120j accessing RAN 100 via network element 120i, network element 120i is a base station; however, for base station 110a, network element 120i is a terminal device. RAN node 110 and terminal device 120 are sometimes referred to as communication devices. For example, network elements 110a and 110b in Figure 1 can be understood as communication devices with base station functionality, and network elements 120a-120j can be understood as communication devices with terminal functionality.

[0066] In one possible scenario, a RAN node may be a base station, an evolved NodeB (eNodeB), an access point (AP), a transmission reception point (TRP), a next-generation NodeB (gNB), a next-generation base station in a 6G mobile communication system, a base station in a future mobile communication system, or an access node in a Wi-Fi system. A RAN node may be a macro base station (such as 110a in Figure 1 ), a micro base station or an indoor station (such as 110b in Figure 1 ), a relay node or a donor node, or a wireless controller in a CRAN scenario. Alternatively, a RAN node may be a server, a wearable device, a vehicle, or an onboard device. For example, the access network device in vehicle-to-everything (V2X) technology may be a roadside unit (RSU).

[0067] In another possible scenario, multiple RAN nodes collaborate to assist the terminal in achieving wireless access, and different RAN nodes respectively implement part of the functions of the base station. For example, the RAN node can be a centralized unit (CU), a distributed unit (DU), a CU-control plane (CU-CP), a CU-user plane (CU-UP), or a radio unit (RU). The CU and DU can be set separately, or they can be included in the same network element, such as a baseband unit (BBU). The RU can be included in a radio frequency device or a radio frequency unit, such as a remote radio unit (RRU), an active antenna unit (AAU), or a remote radio head (RRH).

[0068] In different systems, CU (or CU-CP and CU-UP), DU or RU may also have different names, but those skilled in the art can understand their meanings. For example, in the ORAN system, CU may also be called open CU (open-CU, O-CU), DU may also be called open DU (open-DU, O-DU), CU-CP may also be called open CU-CP (open-CU-CP, O-CU-CP), CU-UP may also be called open CU-UP (open-CU-UP, O-CU-UP), and RU may also be called open RU (open-RU, O-RU). For convenience of description, this application uses CU, CU-CP, CU-UP, DU and RU as examples for description. Any unit of CU (or CU-CP, CU-UP), DU and RU in this application can be implemented by a software module, a hardware module, or a combination of a software module and a hardware module.

[0069] Terminal devices can also be referred to as terminals, user equipment (UE), mobile stations, or mobile terminals. They can be widely used in various scenarios, such as device-to-device (D2D), vehicle-to-everything (V2X) communication, machine-type communication (MTC), the Internet of Things (IoT), virtual reality, augmented reality, industrial control, autonomous driving, telemedicine, smart grids, smart furniture, smart offices, smart wearables, smart transportation, and smart cities. Terminals can be mobile phones, tablets, computers with wireless transceiver capabilities, wearable devices, vehicles, drones, helicopters, airplanes, ships, robots, robotic arms, and smart home appliances.

[0070] In an embodiment of the present application, the network device may be, for example, the RAN node 110 shown in Figure 1, and the terminal device may be, for example, the terminal device 120 shown in Figure 1. Multiple network devices may simultaneously transmit data or control signaling for a single terminal device. This application does not specifically limit the types of network devices and terminal devices.

[0071] In addition, terminal devices and network devices can be hardware devices, or software functions running on dedicated hardware, software functions running on general-purpose hardware, such as virtualization functions instantiated on a platform (for example, a cloud platform), or entities including dedicated or general-purpose hardware devices and software functions. This application does not limit the specific form of terminal devices and network devices.

[0072] Figure 2 is a schematic diagram of an access network device used in an embodiment of the present application. As shown in Figure 2, the access network device includes one or more CUs, one or more DUs, and one or more RUs. For clarity, Figure 2 shows only one CU, DU, and RU. The CU is used to connect to the core network and one or more DUs. Optionally, the CU can have some of the core network's functions. The CU can include a CU-CP and a CU-UP.

[0073] The CU and DU can be configured according to the protocol layer functions of the wireless network they implement: for example, the CU is configured to implement the functions of the packet data convergence protocol (PDCP) layer and the protocol layers above it (such as the radio resource control protocol (RRC) layer and / or the service data adaptation protocol (SDAP) layer, etc.); the DU is configured to implement the functions of the protocol layers below the PDCP layer (such as the radio link control (RLC) layer, the medium access control (MAC) layer, and / or the physical (PHY) layer, etc.). For another example, the CU is configured to implement the functions of the protocol layers above the PDCP layer (such as the RRC layer and / or the SDAP layer), and the DU is configured to implement the functions of the PDCP layer and the protocol layers below it (such as the RLC layer, the MAC layer, and / or the PHY layer, etc.).

[0074] When a CU includes a CU-CP and a CU-UP, the CU-CP is used to implement the control plane functions of the CU, and the CU-UP is used to implement the user plane functions of the CU. For example, when the CU is configured to implement the functions of the PDCP layer, RRC layer, and SDAP layer, the CU-CP is used to implement the RRC layer functions and the control plane functions of the PDCP layer, and the CU-UP is used to implement the SDAP layer functions and the user plane functions of the PDCP layer.

[0075] The CU-CP can interact with network elements in the core network that implement control plane functions. These elements can be access and mobility function elements, such as the access and mobility management function (AMF) element in the 5G system. The AMF element is responsible for mobility management in mobile networks, such as location updates for terminal devices, network registration for terminal devices, and handovers for terminal devices.

[0076] The CU-UP can interact with network elements in the core network that implement user plane functions. Network elements in the core network that implement user plane functions, such as the user plane function (UPF) network element in the 5G system, are responsible for forwarding and receiving data in terminal devices.

[0077] The above configuration of CU and DU is only an example, and the functions of CU and DU can also be configured as needed. For example, the CU or DU can be configured to have the functions of more protocol layers, or the CU or DU can be configured to have partial processing functions of the protocol layer. For example, some functions of the RLC layer and the functions of the protocol layers above the RLC layer are set in the CU, and the remaining functions of the RLC layer and the functions of the protocol layers below the RLC layer are set in the DU. For another example, the functions of the CU or DU can be divided according to the service type or other system requirements, such as by delay, and the functions whose processing time needs to meet the smaller delay requirement are set in the DU, and the functions that do not need to meet the delay requirement are set in the CU.

[0078] The DU and RU can work together to implement the functions of the PHY layer. A DU can be connected to one or more RUs. The functions of the DU and RU can be configured in various ways according to the design. For example, the DU is configured to implement the baseband function, and the RU is configured to implement the mid-RF function. For another example, the DU is configured to implement the high-layer functions in the PHY layer, and the RU is configured to implement the low-layer functions in the PHY layer or to implement the low-layer functions and the RF functions. The high-layer functions in the physical layer may include a part of the functions of the physical layer, which is closer to the MAC layer, and the low-layer functions in the physical layer may include another part of the functions of the physical layer, which is closer to the mid-RF side.

[0079] To improve system spectrum efficiency and user throughput, a dual connectivity (DC) architecture has been introduced in wireless communication systems. In a DC architecture, a terminal device maintains simultaneous connections with two network devices: one of which is called a primary network device or master node (MN) and the other is called a secondary network device or secondary node (SN). For ease of description, the following description uses a UE as an example terminal device.

[0080] FIG3 is a schematic diagram of a dual-connectivity architecture in a wireless communication system. As shown in FIG3 , the system includes a UE 301, a MN 302, and a SN 303. UE 301 can connect to MN 302 and SN 303 via a network interface (e.g., a Uu interface as specified in the 3rd Generation Partnership Project (3GPP) standard).

[0081] MN 302 and SN 303 may be connected to each other via a network interface (e.g., an Xn interface as specified in 3GPP standard documents). MN 302 may be connected to a core network via a network interface (e.g., an NG interface as specified in 3GPP standard documents). UE 301 may be configured to utilize resources provided by MN 302 and SN 303 to perform data transmission.

[0082] DC architectures include but are not limited to the following four:

[0083] The first is EN-DC, where E stands for evolved universal terrestrial radio access (E-UTRA) and N stands for new radio (NR). In the EN-DC architecture, a long-term evolution (LTE) base station (e.g., eNB) serves as the mobile network (MN), also known as an anchor, and a new radio (NR) base station (e.g., gNB) serves as the network node (SN) for dual connectivity. Both the mobile and network nodes are connected to the 4G core network (evolved packet core, EPC), providing air interface transmission resources for data between the user equipment (UE) and the EPC.

[0084] The second type is NE-DC (NR-E-UTRA DC), that is, the NR base station (such as gNB) serves as the MN, the LTE base station (such as ng-eNB) serves as the SN, and both the MN and the SN are connected to the 5G core network (5G core, 5GC) to provide air interface transmission resources for data between the UE and the 5GC.

[0085] The third type is NGEN-DC (NG-RAN E-UTRA-NR DC), that is, the LTE base station (such as ng-eNB) serves as the MN, the NR base station (such as gNB), the MN and the SN are all connected to the 5GC, providing air interface transmission resources for data between the UE and the 5GC.

[0086] The fourth type is NR-DC, that is, both MN and SN are NR base stations, and both MN and SN are connected to 5GC.

[0087] In the DC architecture, the serving cells provided by the mobile node (MN) to the UE form a master cell group (MCG), which includes a primary cell (PCell) and optionally one or more secondary cells (SCells). The serving cells provided by the mobile node (SN) to the UE form a secondary cell group (SCG), which includes a primary secondary cell (PSCell) and optionally one or more SCells.

[0088] It should be noted that the PCell in the MCG and the PSCell in the SCG can also be called (special cell, SpCell), and the cells other than the SpCell in the MCG and SCG can be called SCell.

[0089] Under the DC architecture, SpCell and SCell can be carrier aggregated (CA), that is, multiple cells (carriers) can be configured for a single UE to jointly transmit data. At this time, the UE can use multiple cells (carriers) for uplink and downlink communications at the same time to achieve high-speed data transmission.

[0090] In the EN-DC or NR-DC architecture, in order to ensure reasonable UE power consumption when configuring CA, the SCG activation / deactivation mechanism is supported. The specific mechanism is as follows: when the UE's business on the SN side is inactive or the data transmission speed requirement is low, the UE receives a deactivation / suspension command from the network device, and the UE temporarily deactivates / suspends the SCG, including the UE not monitoring the physical downlink control channel (PDCCH) of the PSCell and SCell in the SCG, the UE not receiving data on the physical downlink shared channel (PDSCH) of the PSCell and SCell in the SCG, and the UE not sending data through the physical uplink shared channel (PUSCH) of the PSCell and SCell of the SCG. When the UE's business on the SN side is active or the data transmission speed requirement is high, the UE receives an activation / resumption command from the network device, resumes monitoring the PDCCH of the PSCell and SCell of the SCG, receives data on the PDSCH of the PSCell and SCell of the SCG, and sends data through the PUSCH of the PSCell and SCell of the SCG.

[0091] The MN can instruct the UE to configure the SCG as activated or deactivated, such as when a PSCell is added, a PSCell is changed, an RRC is restored, an RRC is reconfigured, or a handover occurs. If the SCG is configured to be deactivated, the UE will not perform random access to the PSCell in the SCG. When the SCG is in the deactivated state, the network device can trigger an SCG RRC reconfiguration (e.g., a PSCell change, a configuration update).

[0092] Any of the three parties, the mobile node (MN), the mobile node (SN), and the user equipment (UE), can request SCG activation. Either the MN or the mobile node (SN) can request SCG deactivation. When the SCG is deactivated, upon arrival of uplink data carried by the SCG, the UE indicates to the MN that its uplink data needs to be transmitted on the SCG bearer. During a handover, the target mobile node indicates the SCG status in an RRC reconfiguration message sent to the UE via the source mobile node. The network can also configure whether the UE is allowed to indicate to the MN its preference to deactivate the SCG.

[0093] The UHI contains the UE's mobility history information in the PCell and PSCell. The mobility history information includes relevant information about a series of cells previously visited by the UE, such as the cell identification information and the UE's residence time in the cell. The cell identification information can include at least one of the following: the cell global identifier (CGI) corresponding to the cell, the physical cell identifier (PCI), and the frequency information. It can be understood that the PSCell is a cell in the SCG provided by the SN, that is, the UHI is equivalent to containing the mobility history information of the SCG.

[0094] Taking into account the information contained in UHI, in some possible application scenarios, the user equipment history information UHI may also be called UE historical mobile path information or UE historical path information. This application does not limit the specific name.

[0095] It should be noted that UHI can be recorded on the UE side and the network device side respectively.

[0096] When the UHI is recorded on the UE side, the UHI recorded on the UE side includes information about cells previously visited by the UE. When the UE accesses a cell of a network device, the network device is informed that the UHI is recorded in the UE.

[0097] As an example, the UE may carry an indication message in an RRC connection setup complete (RRC ConnectionSetupcComplete) message or an RRC connection setup resuming complete (RRC ConnectionResumeComplete) message, and use the indication message to indicate to the network device that the UHI is saved in the UE.

[0098] When a network device requires a UHI, the network device may request the UE to report the UHI. For example, a UE Information Request message sent by the network device to the UE may carry a UHI request message. Accordingly, after receiving the UHI request message, the UE may report the recorded UHI to the network device. For example, the UE may carry the UHI in a UE Information Response message and report the UHI via the UE Information Response message.

[0099] When the UHI is recorded on the network device side, when the UE accesses the cell of the network device, the network device collects and stores the UHI. It can be understood that when the network device accessed by the UE is switched, the currently accessed network device is the source network device and the network device to be accessed is the target network device.

[0100] When a handover occurs, the source network device provides the target network device with UHI through the handover preparation process on the NG interface and the Xn interface (for example, sending a handover request message). At the same time as the handover, the target network device is triggered to start collecting and storing UHI, thereby transferring the UHI recorded in the source network device to the target network device, and propagating the UHI on the network device side.

[0101] When the current network device side records UHI, it takes into account the recording of previously visited cell-related information of PCell and PSCell under basic switching, conditional switching, and basic primary and secondary cell changes. It can be understood that since UHI contains the UE's mobility history information in PCell and PSCell, according to the cell corresponding to the mobility history information, UHI can be divided into SCG UHI and MCG UHI. SCG UHI is used to record PSCell-related mobility history information, and MCG UHI is used to record PCell-related mobility history information.

[0102] When the UE is in a DC system, the SN on the network device side records the SCG UHI and provides it to the SN. The MN records the MCG UHI, associates the MCG UHI and SCG UHI, and sends the association result of the MCG UHI and SCG UHI to the target network device through the handover request message. Among them, the MCG UHI recorded by the MN, in addition to the cell identification information and the UE's residence time in the cell, can also include the cell type (for example, the cell size, which is divided into four types: very small, small, medium, and large) and the handover reason value.

[0103] However, current network equipment is unable to achieve efficient allocation and utilization of SCG resources based on UHI, that is, it is unable to determine the reasonable configuration of SCG or release of SCG for UE based on UHI. Since UHI does not contain activation information or deactivation information of SCG, network equipment cannot optimize the use and allocation of SCG resources based on UHI. When the UE suspends the SCG, if the SCG in the deactivated state is not released for a long time, it is equivalent to wasting the SCG resources in the deactivated state, resulting in low utilization of SCG resources.

[0104] In order to solve the above technical problems, the present application provides a resource management method and related devices, aiming to optimize the use and allocation of SCG resources and improve the utilization rate of SCG resources.

[0105] The technical concept of this application is: when the network device triggers the activation status change of SCG, the historical information related to the activation / deactivation of SCG resources is recorded in the user equipment history information (UE history information, UHI), and the network device reasonably and efficiently configures and releases SCG for the UE based on the historical information related to the activation / deactivation of SCG resources recorded in the UHI.

[0106] FIG4 is a schematic diagram of a resource management method provided by an embodiment of the present application. As shown in FIG4 , the method is applied in a DC architecture and specifically includes the following steps:

[0107] S401: Determine whether to activate or deactivate the first secondary cell group SCG.

[0108] According to the above-mentioned SCG activation / deactivation mechanism, under the DC architecture, the process of configuring SCG activation or deactivation for the UE can be triggered by the MN or SN on the network device side.

[0109] Figure 5 is a schematic diagram of the process of SCG activation or deactivation triggered by MN. As shown in Figure 5, the process of SCG activation or deactivation can be expressed as follows:

[0110] S501: MN sends a first request message to SN. Correspondingly, SN receives the first request message from MN.

[0111] In this step, the MN triggers the change of the status of the configured SCG resources, so the MN sends a first request message to the SN. The first request message can be an addition request (SN Addition Request) message or a change request (SN Modification Request) message. According to the first request message, the SN can configure the corresponding SCG resources from the activation state to the deactivation state, or configure the corresponding SCG resources from the deactivation state to the activation state. The activation / deactivation state of the SCG can be switched (changed) through the first request message.

[0112] S502: The SN sends a first request response message to the MN. Correspondingly, the MN receives the first request response message from the SN.

[0113] After SN switches (changes) the activation / deactivation status of SCG according to the first request message, it needs to indicate the status of SCG after switching (changing) to MN. Therefore, SN wants to send a first request response message to MN. Corresponding to the first request message, the first request response message can be an addition request response (SN Addition Confirm) message or a change request response (SN Modification Confirm) message.

[0114] S503: The MN sends first indication information to the UE. Correspondingly, the UE receives the first indication information from the MN.

[0115] In this step, the MN indicates the activation / deactivation status of the SCG to the UE via first indication information during PSCell addition, PSCell change, RRC recovery, RRC reconfiguration, or RRC handover. This is equivalent to the MN configuring the activation / deactivation status of the SCG for the UE. Accordingly, the UE can transmit or stop data transmission in the PSCells and SCells included in the SCG based on the activation / deactivation status of the SCG.

[0116] It is understandable that the process of SCG activation or deactivation triggered by the SN is similar to the process triggered by the MN. Figure 6 is a schematic diagram of the process of SCG activation or deactivation triggered by the SN.

[0117] As shown in step S601 in Figure 6 , the SN sends a second request message to the MN. Accordingly, the MN receives the second request message from the SN. The second request message in S601 is identical to the first request message in S501 shown in Figure 5 , except that in Figure 6 , the SN triggers a change in the state of the configured SCG resources. Therefore, the SN sends the second request message to the MN, and the MN switches (changes) the activation / deactivation state of the SCG based on the second request message.

[0118] As shown in step S602 of Figure 6 , the MN sends a second request response message to the SN. Accordingly, the SN receives the second request response message from the MN. The second request response message in S602 is consistent with the first request response message in S502 of Figure 5 . In Figure 6 , the MN indicates to the SN the state of the SCG after the handover (change).

[0119] Step S603 in FIG6 is consistent with step S503 shown in FIG5 . The MN sends a second indication message to the UE. The UE can transmit or stop data in the PSCell and SCell in the SCG according to the activation / deactivation status of the SCG indicated by the second indication message.

[0120] According to the above Figures 5 and 6, no matter whether the SCG activation or deactivation is triggered by the MN or the SN, both the MN and the SN can determine the activation / deactivation status of the SCG. In the case of MN triggering, the MN determines the activation / deactivation status of the SCG when sending the first request message or receiving the first request response message or sending the first indication information. Accordingly, the SN determines the activation / deactivation status of the SCG when receiving the first request message or sending the first request response message. In the case of SN triggering, the MN determines the activation / deactivation status of the SCG when receiving the second request message or sending the second request response message or sending the second indication information. Accordingly, the SN determines the activation / deactivation status of the SCG when sending the second request message or receiving the second request response message. The MN indicates the activation / deactivation status of the SCG to the UE through the first indication information, and the UE determines the activation / deactivation status of the SCG accordingly. Therefore, in step S401, the network device side and the UE side can determine to configure the first SCG to be activated or deactivated.

[0121] S402, record user equipment historical information UHI, UHI includes historical activation information or historical deactivation information of the first SCG, the historical activation information or historical deactivation information of the first SCG is any one of the following information levels: primary and secondary cell level, secondary network equipment level, or primary cell level.

[0122] Since UHI can be recorded on the UE side and the network device side respectively, after determining in step S401 that the first SCG is configured to be activated or deactivated, the UE side and the network device side can record the activation information or deactivation information of the first SCG in UHI.

[0123] It can be understood that the UHI includes the UE's mobility history information in the PCell and PSCell, that is, the UHI contains previous historical information and is continuously updated. Each time the activation / deactivation status of the first SCG switches (changes), both the network device side and the UE side in step S401 can determine whether the first SCG is activated or deactivated. Accordingly, the network device side and the UE side record each switch (change) in the UHI. After the UHI is continuously updated, the UHI contains the historical activation information and / or historical deactivation information of the first SCG.

[0124] Among them, the historical activation information and / or historical deactivation information of the first SCG can correspond to any one of the following information levels: primary and secondary cell level, secondary network device level, or primary cell level.

[0125] In some implementations, the historical activation information and / or historical deactivation information of the first SCG is information at the primary and secondary cell levels. As an example, the first SCG is the SCG corresponding to each PSCell accessed by the UE, that is, the first SCG is a PSCell-level SCG, and therefore the historical activation information and / or historical deactivation information of the first SCG is information at the PSCell-level.

[0126] As a possible implementation method, when the historical activation information and / or historical deactivation information of the first SCG is information at the primary and secondary cell level, the historical activation information of the first SCG includes at least one of the following information: whether the first SCG has been activated, the number of activations of the first SCG, the activation time information of the first SCG, the identifiers of the cells included in the first SCG, and the number of cells included in the first SCG.

[0127] Among them, when the first SCG has been configured to be in an activated state, the first SCG will be recorded as activated in the historical activation information of the first SCG, otherwise the first SCG will be recorded as unactivated. When the first SCG switches (changes) from an activated state to a deactivated state, it is equivalent to the end of the activation state of the first SCG, which is recorded as one activation of the first SCG. It can be understood that the network device can trigger multiple activations of the first SCG. Therefore, when the first SCG is recorded as activated in the historical activation information of the first SCG, the number of activations of the first SCG can be one or more.

[0128] Exemplarily, the activation time information of the first SCG may include at least one of the following information: the duration of each activation in at least one activation when the first SCG is in the activated state, the total duration of the first SCG in the activated state, the start time and / or end time of each activation in at least one activation when the first SCG is in the activated state, at least one first duration ratio, and a second duration ratio, wherein each first duration ratio in the at least one first duration ratio is the ratio of the duration of each activation in at least one activation when the first SCG is in the activated state to the target residence time, and the second duration ratio is the ratio of the total duration of the first SCG in the activated state to the target residence time, and the target residence time is correlated with the information level of the historical activation information and / or historical deactivation information of the first SCG.

[0129] On the premise that the first SCG has been activated, the network device can trigger one or more activations of the first SCG, and each activation in the above one or more activations corresponds to the duration of its single activation. Accordingly, the activation time information of the first SCG may include the duration of each activation in at least one activation when the first SCG is in the activated state. It can be understood that by accumulating the duration corresponding to each activation in the above multiple activations, the total duration of the multiple activations can be obtained, that is, the total duration of the first SCG in the activated state.

[0130] For example, the first SCG is the SCG corresponding to a PSCell accessed by the UE. The number of activations of the first SCG is 3, and the duration of the first activation is T. dur_1 , the duration of the second activation is T dur_2 , the duration of the third activation is T dur_3 , the total duration of the above three activations is T dur_sum =T dur_1 +T dur_2 +T dur_3 , that is, the total duration of the first SCG being in the active state is T dur_sum .

[0131] When the network device triggers one or more activations of the first SCG, the moment when the first SCG enters the activation state each time is the start time of each activation, and the moment when the first SCG ends the activation state each time is the end time of each activation. The moment here can be recorded in the form of a specific timestamp, so the activation time information of the first SCG can include the start time and / or end time of each activation in at least one activation when the first SCG is in the activation state.

[0132] For example, the first SCG is the SCG corresponding to a PSCell accessed by the UE. The number of activations of the first SCG is 3, and the start time of the first activation is Tact_start_1 , the end time of the first activation is T act_end_1 , the start time of the second activation is T act_start_2 , the end time of the second activation is T act_end_2 , the start time of the third activation is T act_start_3 , the end time of the third activation is T act_end_3 .

[0133] The first duration ratio is the ratio of the single duration of the first SCG when it is in the activated state to the target residence time. Since the first SCG may be activated once or multiple times, the activation time information of the first SCG contains at least one first duration ratio, where each first duration ratio is the ratio of the duration of each activation in at least one activation when the first SCG is in the activated state to the target residence time.

[0134] Among them, the target residence time is correlated with the information level of the historical activation information and / or historical deactivation information of the first SCG. When the historical activation information and / or historical deactivation information of the first SCG is PSCell-level information, the target residence time is the residence time of the UE in each PSCell visited, that is, each first residence time ratio in at least one first residence time ratio is the duration of each activation in at least one activation when the first SCG is in an activated state and the residence time of the UE in the visited PSCell.

[0135] For example, the first SCG is the SCG corresponding to the first PSCell accessed by the UE, and the UE's residence time in the first PSCell is T PSCell , the first SCG is activated 3 times, and the duration of the first activation is T dur_1 , the duration of the second activation is T dur_2 , the duration of the third activation is T dur_3 Therefore, the activation time information of the first SCG contains three first duration proportions, and the first duration proportion corresponding to the first activation is P 1_1 =T dur_1 / T PSCell , the first duration corresponding to the second activation accounts for P 1_2 =T dur_2 / T PSCell , the first duration corresponding to the third activation accounts for P 1_3 =T dur_3 / T PSCell Accordingly, the total duration of the first SCG being in the active state is T dur_sum =T dur_1 +T dur_2 +T dur_3 , so the second duration is P2 = T dur_sum / T PSCell .

[0136] It should be noted that when the historical activation information of the first SCG includes the identifier and / or number of cells included in the first SCG, one or more activations may occur in the first SCG. The identifier and / or number of cells here may be the identifier and / or number of cells in the SCG activated each time in the first SCG, or may be the identifier and / or number of cells in the SCG activated earliest / latest / any of the times in the first SCG. The identifier and / or number of cells included in the first SCG may be the identifier and / or number of PSCell and SCell cells included in the SCG, or may be the identifier and / or number of only SCell cells.

[0137] In a possible implementation, when the first duration ratio or the second duration ratio in at least one of the above first duration ratios is not higher than the first threshold, the UE records the historical activation information of the first SCG in the UHI, or the historical activation information of the first SCG recorded by the UE may include the identification and / or number of cells included in the first SCG.

[0138] The first threshold here is a preset threshold value. When the first duration ratio or the second duration ratio is not higher than the first threshold, it is equivalent to meeting the threshold requirement. At this time, the UE records the historical activation information of the first SCG in the UHI, or the historical activation information of the first SCG recorded by the UE at this time may include the identification and / or number of cells included in the first SCG.

[0139] In another possible implementation, when the duration of a single activation exists in at least one activation when the first SCG is in an activated state or the total duration of the first SCG in an activated state is not higher than a second threshold, the UE records the historical activation information of the first SCG in the UHI, or the historical activation information of the first SCG recorded by the UE may include the identification and / or number of cells included in the first SCG.

[0140] It can be understood that the second threshold is also a preset threshold value. The above-mentioned first threshold is for the ratio of the activation duration of the first SCG to the target residence time, and the second threshold of this implementation method is for the activation duration of the first SCG. When there is a single activation duration of the first SCG or the total duration of the first SCG in the activation state is not higher than the second threshold, it is equivalent to meeting the threshold requirement. At this time, the UE records the historical activation information of the first SCG in the UHI, or the historical activation information of the first SCG recorded by the UE at this time may include the identification and / or number of cells included in the first SCG.

[0141] When the proportion of the first duration is not higher than the first threshold, or the duration of a single activation is not higher than the second threshold, only the single first SCG activation information that meets the conditions can be recorded, or multiple single activations can meet the conditions, that is, the corresponding first SCG activation information when multiple single activations meet the conditions is recorded.

[0142] Since the first SCG switches (changes) between an activated state and a deactivated state, the deactivation time information of the first SCG is equivalent to the opposite of the activation time information of the first SCG. Therefore, the historical deactivation information of the first SCG includes at least one of the following information: whether the first SCG has been deactivated, the number of deactivations of the first SCG, the deactivation time information of the first SCG, the identifiers of the cells included in the first SCG, and the number of cells included in the first SCG.

[0143] As an example, based on the content of the activation time information of the first SCG above, it can be known that the deactivation time information of the first SCG may include at least one of the following information:

[0144] The duration of each deactivation in at least one deactivation when the first SCG is in the deactivated state, the total duration of the first SCG in the deactivated state, the start time and / or end time of each deactivation in at least one deactivation when the first SCG is in the deactivated state, at least one third duration ratio, and a fourth duration ratio, wherein each third duration ratio in the at least one third duration ratio is the ratio of the duration of each deactivation in at least one deactivation when the first SCG is in the deactivated state to the target residence time, and the fourth duration ratio is the ratio of the total duration of the first SCG in the deactivated state to the target residence time, and the target residence time is correlated with the information level of the historical activation information and / or historical deactivation information of the first SCG.

[0145] According to the activation time information of the first SCG, the network device can trigger one or more activations of the first SCG, so the network device can also trigger one or more deactivations of the first SCG, and each deactivation in the above one or more deactivations corresponds to the duration of its single deactivation. Accordingly, the deactivation time information of the first SCG may include the duration of each deactivation in at least one deactivation when the first SCG is in the deactivated state. By adding up the duration corresponding to each deactivation in the above multiple deactivations, the total duration of the multiple deactivations can be obtained, that is, the total duration of the first SCG in the deactivated state.

[0146] For example, the first SCG is the SCG corresponding to a PSCell accessed by the UE. The number of deactivations of the first SCG is 3, and the duration of the first deactivation is T. res_1, the duration of the second deactivation is T res_2 , the duration of the third deactivation is T res_3 The total duration of the above three deactivations is T res_sum =T res_1 +T res_2 +T res_3 , that is, the total duration of the first SCG being in the deactivated state is T res_sum .

[0147] When the network device triggers one or more deactivations of the first SCG, the moment when the first SCG enters the deactivation state each time is the moment when each deactivation starts, and the moment when the first SCG ends the deactivation state each time is the moment when each deactivation ends. It should be noted that since the first SCG can switch (change) between the activation state / deactivation state, in some implementations, the moment when the first SCG enters the deactivation state each time is equivalent to the moment when the first SCG ends the activation state, and the moment when the first SCG ends the deactivation state each time is equivalent to the moment when the first SCG enters the activation state.

[0148] For example, the first SCG is the SCG corresponding to a PSCell accessed by the UE. The number of deactivations of the first SCG is 3, and the start time of the first deactivation is T deact_start_1 The end time of the first deactivation is T deact_end_1 The start time of the second deactivation is T deact_start_2 The end time of the second deactivation is T deact_end_2 The start time of the third deactivation is T deact_start_3 The end time of the third deactivation is T deact_end_3 .

[0149] In some implementations, the first SCG is activated three times, with the first activation ending at T act_end_1 , the start time of the second activation is T act_start_2 When the first SCG switches (changes) between the activated state and the deactivated state, the start time of the first deactivation is T deact_start_1 The end time of the first activation is T act_end_1 At the same time, T deact_start_1 =T act_end_1 , the end time of the first deactivation T deact_end_1 The start time of the second activation is T act_start_2 At the same time, T deact_end_1 =T act_start_2 .

[0150] The third duration ratio is the ratio of the single duration when the first SCG is in a deactivated state to the target residence time. Since the first SCG may be deactivated once or multiple times, the deactivation time information of the first SCG contains at least one third duration ratio. Each third duration ratio is the ratio of the duration of each deactivation in at least one deactivation when the first SCG is in a deactivated state to the target residence time.

[0151] In this example, the historical activation information and / or historical deactivation information of the first SCG is PSCell-level information, so the target residence time is the residence time of the UE in each PSCell visited, that is, each third duration ratio in at least one third duration ratio is the duration of each deactivation in at least one deactivation when the first SCG is in a deactivated state and the residence time of the UE in the visited PSCell.

[0152] For example, the first SCG is the SCG corresponding to the first PSCell accessed by the UE, and the UE's residence time in the first PSCell is T PSCell The first SCG is deactivated 3 times, and the duration of the first deactivation is T res_1 , the duration of the second deactivation is T res_2 , the duration of the third deactivation is T res_3 Therefore, the deactivation time information of the first SCG contains three third duration proportions, and the third duration proportion P corresponding to the first deactivation 3_1 =T res_1 / T PSCell , the third duration corresponding to the second deactivation accounts for P 3_2 =T res_2 / T PSCell , the first duration corresponding to the third deactivation accounts for P 3_3 =T res_3 / T PSCell Accordingly, the total duration T of the first SCG being in the deactivated state is res_sum =T res_1 +T res_2 +T res_3 , so the fourth duration is P4=T res_sum / T PSCell .

[0153] Taking into account that one or more deactivations may occur in the first SCG, the identifiers and / or number of cells included in the first SCG in the historical deactivation information of the first SCG may also be the identifiers and / or number of cells in the SCG deactivated each time in the first SCG, or may also be the identifiers and / or number of cells in the SCG deactivated earliest / latest / any of the times in the first SCG. The identifiers and / or number of cells included in the first SCG may be the identifiers and / or number of PSCell and SCell cells included in the SCG, or may be the identifiers and / or number of only SCell cells.

[0154] In some implementations, when the third duration ratio or the fourth duration ratio in at least one of the above third duration ratios is not lower than the third threshold, the UE records the historical deactivation information of the first SCG in the UHI, or the historical deactivation information of the first SCG recorded by the UE may include the identification and / or number of cells included in the first SCG.

[0155] The third threshold here is a preset threshold value. Since the third duration accounts for the deactivation duration of the first SCG, and the fourth duration accounts for the total duration of the first SCG in the deactivation state, when the fourth duration accounts for or the third duration accounts for no less than the third threshold, it is equivalent to meeting the threshold requirement. At this time, the historical deactivation information of the first SCG and the identification and / or number of cells contained in the first SCG are worth recording.

[0156] In some implementations, when the duration of a single deactivation exists in at least one deactivation when the first SCG is in an activated state or the total duration of the first SCG in a deactivated state is not less than a fourth threshold, the UE records the historical deactivation information of the first SCG in the UHI, or the historical deactivation information of the first SCG recorded by the UE may include the identification and / or number of cells included in the first SCG.

[0157] Similarly, when the total duration of the first SCG being in the deactivated state or the duration of a single deactivation of the first SCG is not less than the fourth threshold, the preset threshold requirement is met. At this time, the UE records the historical deactivation information of the first SCG in the UHI, or the historical deactivation information of the first SCG recorded by the UE may include the identification and / or number of cells included in the first SCG.

[0158] When the proportion of the third duration is not less than the third threshold, or the duration of a single deactivation is not less than the fourth threshold, only the single first SCG deactivation information that meets the conditions can be recorded, or multiple single deactivations that meet the conditions can be recorded, that is, the corresponding first SCG deactivation information when multiple single deactivations meet the conditions is recorded.

[0159] It should be noted that, in the above embodiment, the historical activation information and / or historical deactivation information of the first SCG is used as the primary and secondary cell level information for description. The following introduces the situation where the historical activation information and / or historical deactivation information of the first SCG corresponds to other information levels.

[0160] In some implementations, the historical activation information and / or historical deactivation information of the first SCG is information at the secondary network device level. Exemplarily, the first SCG is the SCG corresponding to one or more PSCells accessed by the UE, and the secondary network device (SN) manages the one or more PSCells accessed by the UE.

[0161] It should be understood that under the EN-DC or NR-DC architecture, SN is the NR base station gNB, so the information at the auxiliary network device level can also be called gNB-level information. This application does not limit the specific name.

[0162] When the historical activation information and / or historical deactivation information of the first SCG is information at the auxiliary network device level, accordingly, the historical activation information of the first SCG includes at least one of the following information: whether the first SCG has been activated, the number of activations of the first SCG, the activation time information of the first SCG, the identifier of the cells included in the first SCG, and the number of cells included in the first SCG.

[0163] In some implementations, when the historical activation information and / or historical deactivation information of the first SCG is at the gNB level, the UHI may also include identification information of the secondary network device SN that manages one or more PSCells accessed by the above UE.

[0164] Among them, the activation time information of the first SCG includes at least one of the following information: the duration of each activation in at least one activation when the first SCG is in the activated state, the total duration of the first SCG in the activated state, at least one first duration ratio, and a second duration ratio, wherein each first duration ratio in the at least one first duration ratio is the ratio of the duration of each activation in at least one activation when the first SCG is in the activated state to the target residence time, and the second duration ratio is the ratio of the total duration of the first SCG in the activated state to the target residence time.

[0165] The content included in the above activation time information of the first SCG is similar to the historical activation information and / or historical deactivation information of the first SCG at the PSCell level. For detailed introduction, please refer to the above embodiment and will not be repeated here.

[0166] It should be noted that when the historical activation information and / or historical deactivation information of the first SCG is gNB-level information, the target residence time is the total residence time of the UE in one or more PSCells visited.

[0167] For example, the first SCG is the SCG corresponding to one or more PSCells accessed by the UE, and the UE's residence time in each of the above multiple PSCells is accumulated as the total residence time T PSCell_sum , the first SCG is activated 3 times, and the duration of the first activation is T dur_1 , the duration of the second activation is T dur_2 , the duration of the third activation is T dur_3 Therefore, the activation time information of the first SCG contains three first duration proportions, and the first duration proportion corresponding to the first activation is P 1_1 =T dur_1 / T PSCell_sum , the first duration corresponding to the second activation accounts for P 1_2 =T dur_2 / T PSCell_sum , the first duration corresponding to the third activation accounts for P 1_3 =T dur_3 / T PSCell_sum Accordingly, the total duration of the first SCG being in the active state is T dur_sum =T dur_1 +T dur_2 +T dur_3 , so the second duration is P2 = T dur_sum / T PSCell_sum .

[0168] Similarly, it can be inferred that the historical deactivation information of the first SCG includes at least one of the following information: whether the first SCG has been deactivated, the number of deactivations of the first SCG, the deactivation time information of the first SCG, the identification of the cells included in the first SCG, and the number of cells included in the first SCG.

[0169] Among them, the deactivation time information of the first SCG may include at least one of the following information: the duration of each deactivation in at least one deactivation when the first SCG is in the deactivated state, the total duration of the first SCG in the deactivated state, at least one third duration ratio, and a fourth duration ratio, wherein each third duration ratio in the at least one third duration ratio is the ratio of the duration of each deactivation in at least one deactivation when the first SCG is in the deactivated state to the target residence time, and the fourth duration ratio is the ratio of the total duration of the first SCG in the deactivated state to the target residence time. The target residence time in the above information is the total residence time of the UE in one or more PSCells visited.

[0170] Compared with the PSCell-level information, when the historical activation information and / or historical deactivation information of the first SCG is gNB-level information, the granularity corresponding to the historical activation information and / or historical deactivation information of the first SCG is coarser, which reduces the amount of information contained therein and can save storage space in the UHI.

[0171] In some implementations, the historical activation information and / or historical deactivation information of the first SCG is primary cell-level information. Exemplarily, the first SCG is the SCG corresponding to one or more PSCells to which the UE is connected when accessing the PCell.

[0172] When the historical activation information and / or historical deactivation information of the first SCG is PCell-level information, accordingly, the historical activation information of the first SCG includes at least one of the following information: whether the first SCG has been activated, the number of activations of the first SCG, the activation time information of the first SCG, the identifier of the cells included in the first SCG, and the number of cells included in the first SCG.

[0173] Among them, the activation time information of the first SCG includes at least one of the following information: the duration of each activation in at least one activation when the first SCG is in the activated state, the total duration of the first SCG in the activated state, at least one first duration ratio, and a second duration ratio, wherein each first duration ratio in the at least one first duration ratio is the ratio of the duration of each activation in at least one activation when the first SCG is in the activated state to the target residence time, and the second duration ratio is the ratio of the total duration of the first SCG in the activated state to the target residence time.

[0174] The content contained in the above activation time information of the first SCG is similar to the historical activation information and / or historical deactivation information of the first SCG, which is PSCell level or gNB level information. For specific introduction, please refer to the above embodiment and will not be repeated here.

[0175] It should be noted that when the historical activation information and / or historical deactivation information of the first SCG is PCell-level information, the target residence time is the residence time of the UE in the visited PCell or the total residence time in one or more PSCells to which the UE is connected when visiting the PCell.

[0176] For example, the first SCG is the SCG corresponding to one or more PSCells connected to the first PCell accessed by the UE, and the UE's residence time in the first PCell is T PCell The total residence time in one or more PSCells connected to the first PCell is T PSCell_sum, the first SCG is activated 3 times, and the duration of the first activation is T dur_1 , the duration of the second activation is T dur_2 , the duration of the third activation is T dur_3 , the first duration corresponding to the first activation accounts for P 1_1 =T dur_1 / T PCell or T dur_1 / T PSCell_sum , the first duration corresponding to the second activation accounts for P 1_2 =T dur_2 / T PCell or T dur_2 / T PSCell_sum , the first duration corresponding to the third activation accounts for P 1_3 =T dur_2 / T PCell or T dur_2 / T PSCell_sum Accordingly, the total duration of the first SCG being in the active state is T dur_sum =T dur_1 +T dur_2 +T dur_3 , so the second duration is P2 = T dur_sum / T PCell or T dur_sum / T PSCell_sum .

[0177] Similarly, it can be inferred that the historical deactivation information of the first SCG includes at least one of the following information: whether the first SCG has been deactivated, the number of deactivations of the first SCG, the deactivation time information of the first SCG, the identification of the cells included in the first SCG, and the number of cells included in the first SCG.

[0178] Among them, the deactivation time information of the first SCG may include at least one of the following information: the duration of each deactivation in at least one deactivation when the first SCG is in the deactivated state, the total duration of the first SCG in the deactivated state, at least one third duration ratio, and a fourth duration ratio, wherein each third duration ratio in the at least one third duration ratio is the ratio of the duration of each deactivation in at least one deactivation when the first SCG is in the deactivated state to the target residence time, and the fourth duration ratio is the ratio of the total duration of the first SCG in the deactivated state to the target residence time. The target residence time in the above information is the residence time of the UE in the visited PCell or the total residence time in one or more PSCells to which the UE is connected when visiting the PCell.

[0179] When the historical activation information and / or historical deactivation information of the first SCG is PCell-level information, the granularity corresponding to the historical activation information and / or historical deactivation information of the first SCG is coarser than the above gNB-level information, further reducing the amount of information contained therein, thereby saving more storage space for UHI.

[0180] In the above embodiments, the historical activation information and / or historical deactivation information of the first SCG contained in the UHI can provide a reference for the UE's demand for activation / deactivation of SCG resources, so that the network equipment side can optimize the use and allocation of SCG resources for the UE and improve the utilization rate of SCG resources.

[0181] Figures 7 and 8 are schematic diagrams of the structures of possible resource management devices provided in embodiments of the present application. These resource management devices can be used to implement the functions of the network devices in the above-mentioned method embodiments, and thus can also achieve the beneficial effects possessed by the above-mentioned method embodiments. In the embodiments of the present application, the resource management device can be the master network device MN or the auxiliary network device SN in the method embodiments shown in Figures 4 to 6, or it can be a component configured in the network device (such as a chip, a chip system, a processor, etc.), or it can be a logic module or software that can implement some or all of the functions of the network device.

[0182] FIG7 is a schematic block diagram of a resource management device 700 according to an embodiment of the present application. As shown in FIG7 , the resource management device 700 includes a processing module 710 and a transceiver module 720 .

[0183] The transceiver module 720 can implement corresponding communication functions and can also be referred to as an input / output interface or a communication unit. The processing module 710 can be used to perform processing operations. It should be understood that if the apparatus 700 is a component configured in a network device, such as a chip, the transceiver module 720 can be an input / output interface.

[0184] Optionally, the transceiver module 720 may include a sending module and a receiving module. The sending module is used to perform the sending operation of the master network device MN or the slave network device SN in Figure 5 or Figure 6, and the receiving module is used to perform the receiving operation of the master network device MN or the slave network device SN in Figure 5 or Figure 6.

[0185] It should be understood that when the device 700 is a component configured in a network device, such as a chip, the sending module can be an output interface, and the sending operation involved in the embodiment of the present application can be performed by the output interface; the receiving module can be an input interface, and the receiving operation involved in the embodiment of the present application can be performed by the input interface.

[0186] Optionally, the device 700 may further include a storage module, which may be used to store instructions and / or data. The processing module 710 may read the instructions and / or data in the storage module so that the device implements the method embodiment shown in FIG. 4 .

[0187] In one possible design, the above-mentioned device 700 can be used to implement the functions of the network device in the method embodiment shown in Figure 4 above, or the above-mentioned device 700 may include a unit for implementing any function or operation of the network device in the method embodiment shown in Figure 4 above, and the unit can be implemented in whole or in part by software, hardware, firmware or any combination thereof.

[0188] When the device 700 is used to implement the function of the main network device MN in the above embodiment, the transceiver module 720 (specifically, it can be a sending module) can be used to execute step S501 in Figure 5 to send a first request message to the SN. The transceiver module 720 can also be used to execute step S503 in Figure 5 to send a first indication message to the UE; the processing module 710 can be used to execute steps S401 and S402 in Figure 4 to determine whether the first SCG is activated or deactivated, and record the user equipment historical information UHI, UHI including the historical activation information or historical deactivation information of the first SCG, the historical activation information or historical deactivation information of the first SCG is any one of the following information levels: primary and secondary cell level, secondary network device level, or primary cell level; the transceiver module 720 (specifically, it can be a receiving module) can also be used to execute step S502 in Figure 5 to receive the first request response message from the SN.

[0189] When the device 800 is used to implement the functions of the network device SN in the above embodiment, the transceiver module 720 (specifically, it can be a sending module) can be used to execute step S601 in Figure 6 to send a first request signal to the MN; the transceiver module 720 (specifically, it can be a receiving module) can be used to execute step S602 in Figure 6 to receive a first request response signal from the MN.

[0190] A more detailed description of the processing module 710 and the transceiver module 720 can be directly obtained by referring to the relevant descriptions in the method embodiments shown in Figures 4 to 6, and will not be repeated here.

[0191] It should be noted that the transceiver module may also be referred to as a transceiver unit, transceiver, transceiver, or transceiver device. The processing module may also be referred to as a processor, processing board, processing unit, or processing device. Optionally, the transceiver module is used to perform the sending and receiving operations on the network device side in the above method. The device in the communication module that implements the receiving function can be considered a receiving module, and the device in the communication module that implements the sending function can be considered a sending module. That is, the transceiver module includes a receiving module and a sending module.

[0192] In addition, in one possible design, the aforementioned transceiver module and / or processing module may be implemented as a virtual module. For example, the processing module may be implemented as a software function module or a virtual device, and the transceiver module may be implemented as a software function module or a virtual device. In another possible design, the processing module or the transceiver module may also be implemented as a physical device. For example, if the device is implemented using a chip / chip circuit, the transceiver module may be an input / output circuit and / or a communication interface that performs input operations (corresponding to the aforementioned receiving operations) and output operations (corresponding to the aforementioned sending operations); the processing module is an integrated processor, microprocessor, or integrated circuit.

[0193] It should be understood that the division of modules in the embodiments of the present application is illustrative and is merely a logical functional division. In actual implementation, other division methods may be used. Furthermore, the functional modules in the various embodiments of the present application may be integrated into a single processor, or may exist physically as separate modules, or two or more modules may be integrated into a single module. The aforementioned integrated modules may be implemented in the form of hardware or software functional modules.

[0194] Figure 8 is a schematic diagram of the structure of a resource management device provided by another embodiment of the present application. The device 800 shown in Figure 8 can be used to execute any of the aforementioned methods executed by the resource management device.

[0195] As shown in Figure 8 , the apparatus 800 of this embodiment includes a memory 801, a processor 802, a communication interface 803, and a bus 804. The memory 801, the processor 802, and the communication interface 803 are connected to each other via the bus 804.

[0196] The memory 801 may be a read-only memory (ROM), a static storage device, a dynamic storage device, or a random access memory (RAM). The memory 801 may store a program. When the program stored in the memory 801 is executed by the processor 802, the processor 802 is configured to execute any of the aforementioned methods.

[0197] The processor 802 may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit, or one or more integrated circuits for executing related programs.

[0198] The processor 802 may also be an integrated circuit chip with signal processing capabilities. In the implementation process, the various related steps in the embodiment of the present application may be completed by hardware integrated logic circuits in the processor 802 or software instructions.

[0199] The processor 802 may also be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. The processor 802 may implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of the present application. The general-purpose processor may be a microprocessor or any conventional processor.

[0200] The steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented as being executed by a hardware decoding processor, or can be implemented by a combination of hardware and software modules in the decoding processor. The software module can be located in a storage medium mature in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, etc. The storage medium is located in memory 801, and processor 802 reads the information in memory 801 and, in combination with its hardware, completes the functions required to be performed by the units included in the device of the present application.

[0201] The communication interface 803 may use, but is not limited to, a transceiver or other transceiver device to implement communication between the apparatus 800 and other devices or apparatuses.

[0202] The bus 804 may include a path for transmitting information between various components of the device 800 (eg, the memory 801 , the processor 802 , and the communication interface 803 ).

[0203] An embodiment of the present application further provides a computer-readable storage medium, in which computer instructions are stored. When a processor executes the computer instructions, each step of the method in the above embodiment is implemented.

[0204] An embodiment of the present application further provides a computer program product, including computer instructions, which, when executed by a processor, implement the various steps of the method in the above embodiment.

[0205] It should be noted that the modules or components shown in the above embodiments may be one or more integrated circuits configured to implement the above methods, such as one or more application-specific integrated circuits, or one or more microprocessors, or one or more field programmable gate arrays. For another example, when a module is implemented by a processing element calling program code, the processing element may be a general-purpose processor, such as a central processing unit or other processor that can call program code, such as a controller. For another example, these modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).

[0206] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware, software modules or any combination thereof. When software is used for implementation, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function according to the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from a website, computer, server or data center to another website, computer, server or data center via a wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) method. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integrations. The available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid-state drive (SSD)).

[0207] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the contents disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The description and examples are to be considered as exemplary only, and the true scope and spirit of the present application are indicated by the following claims.

[0208] It should be understood that the present application is not limited to the exact structure described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A resource management method, characterized in that: Applied to a network device, the method includes: Determine activation or deactivation of the first secondary cell group SCG; Record user equipment historical information UHI, the UHI including historical activation information or historical deactivation information of the first SCG, the historical activation information or historical deactivation information of the first SCG is any one of the following information levels: primary and secondary cell level, secondary network equipment level, or primary cell level.

2. The method according to claim 1, characterized in that The historical activation information of the first SCG includes at least one of the following information: whether the first SCG has been activated, the number of activations of the first SCG, activation time information of the first SCG, identifiers of cells included in the first SCG, and the number of cells included in the first SCG; or The historical deactivation information of the first SCG includes at least one of the following information: whether the first SCG has been deactivated, the number of deactivations of the first SCG, the deactivation time information of the first SCG, the identifiers of the cells included in the first SCG, and the number of cells included in the first SCG.

3. The method according to claim 2, characterized in that The activation time information of the first SCG includes at least one of the following information: The duration of each activation in at least one activation when the first SCG is in the activated state, the total duration of the first SCG in the activated state, the start time and / or end time of each activation in at least one activation when the first SCG is in the activated state, at least one first duration ratio, and a second duration ratio, wherein each first duration ratio in the at least one first duration ratio is the ratio of the duration of each activation in at least one activation when the first SCG is in the activated state to the target residence time, and the second duration ratio is the ratio of the total duration of the first SCG in the activated state to the target residence time, and the target residence time is correlated with the information level of the historical activation information and / or historical deactivation information of the first SCG.

4. The method according to claim 3, characterized in that The recording of user equipment historical information UHI includes: When the first duration proportion exists in the at least one first duration proportion or the second duration proportion is not higher than the first threshold, the historical activation information of the first SCG is recorded in the UHI, or the historical activation information of the first SCG includes the identifier and / or number of cells included in the first SCG; or, When the duration of a single activation exists in at least one activation when the first SCG is in an activated state or the total duration of the first SCG in an activated state is not higher than a second threshold, the historical activation information of the first SCG is recorded in the UHI, or the historical activation information of the first SCG includes the identification and / or number of cells included in the first SCG.

5. The method according to any one of claims 2 to 4, characterized in that The deactivation time information of the first SCG includes at least one of the following information: The duration of each deactivation in at least one deactivation when the first SCG is in the deactivated state, the total duration of the first SCG in the deactivated state, the start time and / or end time of each deactivation in at least one deactivation when the first SCG is in the deactivated state, at least one third duration ratio, and a fourth duration ratio, wherein each third duration ratio in the at least one third duration ratio is the ratio of the duration of each deactivation in at least one deactivation when the first SCG is in the deactivated state to the target residence time, and the fourth duration ratio is the ratio of the total duration of the first SCG in the deactivated state to the target residence time, and the target residence time is correlated with the information level of the historical activation information and / or historical deactivation information of the first SCG.

6. The method according to claim 5, characterized in that The recording of user equipment historical information UHI includes: When the third duration proportion exists in the at least one third duration proportion or the fourth duration proportion is not less than a third threshold, historical deactivation information of the first SCG is recorded in the UHI, or the historical deactivation information of the first SCG includes an identifier and / or number of cells included in the first SCG; or, When the duration of a single deactivation exists in at least one deactivation when the first SCG is in the deactivated state or the total duration of the first SCG in the deactivated state is not less than a fourth threshold, the historical deactivation information of the first SCG is recorded in the UHI, or the historical deactivation information of the first SCG includes the identification and / or number of cells included in the first SCG.

7. The method according to any one of claims 3 to 6, characterized in that The historical activation information and / or historical deactivation information of the first SCG is information at the primary and secondary cell level, and the first SCG is the SCG corresponding to each primary and secondary cell accessed by the terminal device; The target residence time is associated with the information level of the historical activation information and / or historical deactivation information of the first SCG, including: When the historical activation information and / or historical deactivation information of the first SCG is information at the primary and secondary cell levels, the target residence time is the residence time of the terminal device in each primary and secondary cell visited.

8. The method according to any one of claims 3 to 6, characterized in that The historical activation information and / or historical deactivation information of the first SCG is information at the secondary network device level, the first SCG is the SCG corresponding to one or more primary and secondary cells accessed by the terminal device, and the secondary network device manages the one or more primary and secondary cells accessed by the terminal device; The target residence time is associated with the information level of the historical activation information and / or historical deactivation information of the first SCG, including: When the historical activation information and / or historical deactivation information of the first SCG is information at the secondary network device level, the target residence time is the sum of the residence times of the terminal device in one or more primary and secondary cells visited.

9. The method according to claim 8, characterized in that The historical activation information and / or historical deactivation information of the first SCG also includes identification information of the auxiliary network device.

10. The method according to any one of claims 3 to 6, characterized in that The historical activation information and / or historical deactivation information of the first SCG is information at the primary cell level, and the first SCG is the SCG corresponding to one or more primary and secondary cells connected when the terminal device accesses the primary cell; The target residence time is associated with the information level of the historical activation information and / or historical deactivation information of the first SCG, including: When the historical activation information and / or historical deactivation information of the first SCG is primary cell-level information, the target residence time is the residence time of the terminal device in the visited primary cell or the sum of the residence times of the terminal device in one or more primary and secondary cells connected to the visited primary cell.

11. A resource management device, characterized in that: The resource management device includes a functional module for implementing the resource management method according to any one of claims 1 to 10.

12. A resource management device, characterized in that: include: processor and memory; The memory stores computer-executable instructions; The processor executes the computer-executable instructions stored in the memory, so that the resource management device performs the resource management method according to any one of claims 1 to 10.

13. A computer-readable storage medium, characterized in that The computer-readable storage medium stores computer-executable instructions, which are used to implement the resource management method according to any one of claims 1 to 10 when executed by a processor.

14. A computer program product, characterized in that The method comprises a computer program, which implements the resource management method according to any one of claims 1 to 10 when the computer program is executed by a processor.

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