Information element configuration method applied to cell switching

Abstract

The invention provides an information element configuration method applied to cell switching. The method is applied to communication technology. The layer 1 measurement resource sent by the CU is configured in a first IE or at least one second IE, the first IE supports and carries all candidate cell layer 1 measurement resources, and the second IE supports and carries one candidate cell layer 1 measurement resource; for the first IE, the DU configures a third IE to indicate layer 1 execution conditions of all candidate cells, the DU sends the third IE and the IE carrying layer 3 execution conditions to the UE, and the IE overhead for cell switching between the UE and the DU is saved; for at least one second IE, the DU configures a fourth IE for each second IE, and layer 1 execution conditions of different candidate cells are configured in different fourth IEs, so that the UE can selectively analyze a part of fourth IEs to perform cell switching based on the layer 1 execution conditions of a part of candidate cells, thereby saving time consumed in the cell switching process.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to an information element configuration method applied to cell switching. Background Art

[0002] Cell switching refers to the process of switching a terminal device (UE) from the currently connected cell to another cell. The UE performs signaling interaction with the network device to implement the cell switching process. The network device is deployed in a two-level access network architecture of a centralized unit (CU)-distributed unit (Distributed Unit) to better meet the needs of various scenarios and applications.

[0003] In the existing cell switching process, the network device configures L1 execution conditions for layer 1 (L1) measurement resources and L3 execution conditions for layer 3 (L3) measurement resources for the UE, so that the UE performs cell switching based on the L1 execution conditions and the L3 execution conditions. In the above cell switching process, the L1 measurement resources, the L1 execution conditions and the L3 execution conditions need to be transmitted between the UE, the CU of the network device and the DU of the network device.

[0004] However, the prior art does not involve a method for transmitting L1 measurement resources, L1 execution conditions, and L3 execution conditions. Summary of the invention

[0005] The present application provides an information element configuration method for cell switching. In the cell switching process, information elements are configured for the transmission of layer 1 measurement resources, layer 1 execution conditions, and layer 3 execution conditions, so as to transmit layer 1 measurement resources, layer 1 execution conditions, and layer 3 execution conditions through information elements. Among them, the layer 1 measurement resources can be transmitted using a first IE or at least one second IE. The DU configures a third IE for the first UE or configures at least one fourth IE for at least one second IE, and carries the layer 1 execution condition through the third IE or at least one fourth IE. In this way, the IE overhead of the cell switching process can be saved or the time consumption of the cell switching process can be saved.

[0006] In a first aspect, the present application provides an information element configuration method for cell switching, including: a distribution unit DU receives a first information element IE or at least one second IE sent by a centralized unit CU; wherein the first IE carries first information, the first information indicates the first layer 1 measurement resources corresponding to all candidate cells, and the second IE carries second information, the second information indicates the second layer 1 measurement resources corresponding to a candidate cell; if the DU receives the first IE, the DU generates a third IE and sends the third IE to the CU; wherein the third IE carries third information; the third information indicates a first layer 1 execution condition set, the first layer 1 execution condition set includes the first layer 1 execution conditions corresponding to each candidate cell, and the first layer 1 execution condition set is configured for the first layer 1 resources of all candidate cells indicated by the first information; if the DU receives the at least one second IE, the DU generates at least one fourth IE and sends the at least one fourth IE to the CU; wherein all candidate cells , all second IEs and all fourth IEs correspond one-to-one; for each fourth IE, the fourth IE carries fourth information, and the fourth information indicates a second layer 1 execution condition; the second layer 1 execution condition is for the second layer 1 measurement resource configuration of the candidate cell indicated by the target second information; the target second information is the second information carried in the second IE corresponding to the fourth IE; the DU receives the switching related message sent by the CU, and sends the switching related message to the UE served by the DU, so that the UE performs cell switching based on the switching related message; wherein the switching related message includes the third IE and at least one fifth IE, or the switching related message includes the at least one fourth IE and the at least one fifth IE; all fifth IEs correspond one-to-one to all candidate cells; the fifth IE carries fifth information, and the fifth information indicates the layer 3 execution condition of the layer 3 measurement resource configuration of the target candidate cell by the CU; wherein the target candidate cell is the candidate cell corresponding to the fifth IE carrying the fifth information.

[0007] In some embodiments, if the first layer 1 execution condition set includes at least one first switching trigger event customized by the DU; the third information is the at least one first switching trigger event; if the first layer 1 execution condition set includes at least one second switching trigger event, the third information is at least one first bias condition; wherein, the at least one second switching trigger event is determined by the DU based on at least one layer 1 measurement reporting event of the mobility management LTM triggered for layer 1 / layer 2 and the first bias conditions corresponding to the at least one layer 1 measurement reporting event.

[0008] In some embodiments, the first information is at least one first layer 1 measurement resource index, the at least one first layer 1 measurement resource index indicates at least one first layer 1 measurement resource, and one candidate cell corresponds to one or more first layer 1 measurement resources; the first handover triggering event includes multiple first condition parameters, wherein each first condition parameter includes at least one first parameter value; for each first condition parameter, at least one first parameter value of the first condition parameter corresponds to the at least one first layer 1 measurement resource one by one; for each first layer 1 measurement resource under each first handover triggering event, all first parameter values ​​corresponding to the first layer 1 measurement resource under the first handover triggering event indicate the first handover Under the switching trigger event, the first sub-trigger event corresponding to the first layer 1 measurement resource; for each candidate cell, the first layer 1 execution condition corresponding to the candidate cell includes: the first sub-trigger conditions corresponding to all the first layer 1 measurement resources of the candidate cell under each first switching trigger event; or, each first condition parameter includes a second parameter value; for each first layer 1 measurement resource under each first switching trigger event, all second parameter values ​​under the first switching trigger event indicate the second sub-trigger event corresponding to each first layer 1 measurement resource; for each candidate cell, the first layer 1 execution condition corresponding to the candidate cell includes: all second sub-trigger events corresponding to each first switching trigger event.

[0009] In some embodiments, the first information is at least one first layer 1 measurement resource index, and the at least one first layer 1 measurement resource index indicates at least one first layer 1 measurement resource; the at least one layer 1 measurement reporting event corresponds one-to-one to the at least one first bias condition; the layer 1 measurement reporting event includes multiple second condition parameters; the first bias condition corresponding to the layer 1 measurement reporting event includes multiple third condition parameters; wherein each second condition parameter includes at least one third parameter value; each third condition parameter includes at least one fourth parameter value; multiple second condition parameters and multiple third condition parameters correspond one-to-one; for each second condition parameter and the corresponding third condition parameter, at least one third parameter value of the second condition parameter, at least one fourth parameter value of the third condition parameter and at least one first layer 1 measurement resource correspond one-to-one; for each first layer 1 measurement resource under the second switching trigger event corresponding to each layer 1 measurement reporting event, the first layer 1 measurement resource is All the third parameter values ​​and all the fourth parameter values ​​corresponding to the second switching trigger event indicate the third sub-trigger event of the first layer 1 measurement resource under the second switching trigger event; for each candidate cell, the second layer 1 execution condition corresponding to the candidate cell includes: the third sub-trigger condition corresponding to all the first layer 1 measurement resources of the candidate cell under each second switching trigger event; or, each third condition parameter includes a fifth parameter value; for each first layer 1 measurement resource under the second switching trigger event corresponding to each layer 1 measurement reporting event, all the fifth parameter values ​​under the second switching trigger event and all the third parameter values ​​corresponding to the first layer 1 measurement resource indicate the fourth sub-trigger event of the first layer 1 measurement resource under the second switching trigger event; for each candidate cell, the first layer 1 execution condition corresponding to the candidate cell includes: the fourth sub-trigger event corresponding to all the first layer 1 measurement resources of the candidate cell under each second switching trigger event.

[0010] In some embodiments, the third IE is configured in the channel state information report configuration LTM-CSI-ReportConfig IE for layer 1 / layer 2 triggered mobility management; wherein the LTM-CSI-ReportConfig IE includes an eighth IE; the eighth IE is an IE carrying the at least one layer 1 measurement reporting event; when the first layer 1 execution condition set includes at least one first switching trigger event customized by the DU, the eighth IE does not include the third IE, and when the first layer 1 execution condition set includes at least one second switching trigger event, the eighth IE includes the third IE; the fourth IE is configured in the channel state information measurement configuration CSI-MeasConfig IE.

[0011] In some embodiments, the second layer 1 execution condition includes at least one third switching triggering event customized by the DU; and the fourth information includes the at least one third switching triggering event.

[0012] In a second aspect, the present application provides an information element configuration method for cell switching, including: a centralized unit CU sends a first information element IE or at least one second IE to a distributed unit DU; wherein the first IE carries first information, the first information indicates the first layer 1 measurement resources corresponding to all candidate cells, the second IE carries second information, and the second information indicates the second layer 1 measurement resources corresponding to one candidate cell; the first IE is used for the DU to generate a third IE, and the at least one second IE is used for the DU to generate at least one fourth IE; wherein the third IE carries third information; the third information indicates a first layer 1 execution condition set, the first layer 1 execution condition set includes the first layer 1 execution conditions corresponding to each candidate cell, and the first layer 1 execution condition set is configured for the first layer 1 resources of all candidate cells indicated by the first information; the all candidate cells, all the second IEs and all the fourth IEs correspond one to one; for each fourth IE, the fourth IE carries With fourth information, the fourth information indicates a second layer 1 execution condition; the second layer 1 execution condition is for the second layer 1 measurement resource configuration of the candidate cell indicated by the target second information; the target second information is the second information carried in the second IE corresponding to the fourth IE; the CU receives the third IE or the at least one fourth IE sent by the DU; the CU sends a switching-related message to the UE served by the DU through the DU, so that the UE performs cell switching based on the switching-related message; wherein the switching-related message includes the third IE and at least one fifth IE, or the switching-related message includes the at least one fourth IE and the at least one fifth IE; all fifth IEs correspond one-to-one to all the candidate cells; the fifth IE carries the fifth information, and the fifth information indicates the layer 3 execution condition configured by the CU for the layer 3 measurement resource of the target candidate cell; wherein the target candidate cell is the candidate cell corresponding to the fifth IE carrying the fifth information.

[0013] In some embodiments, for each candidate cell and the fifth IE corresponding to the candidate cell, if the layer 3 execution condition of the candidate cell is at least one fourth switching trigger event customized by the CU, the fifth information carried by the fifth IE is the at least one fourth switching trigger event; if the layer 3 execution condition of the candidate cell includes at least one fifth switching trigger event, the fifth information includes at least one second bias condition; wherein, the at least one fifth switching trigger event is determined by the CU based on at least one layer 3 measurement reporting event of the candidate cell and the second bias condition corresponding to the at least one layer 3 measurement reporting event.

[0014] In some embodiments, for each fifth IE, the candidate cell corresponding to the fifth IE and the fifth information corresponding to the fifth IE, if the fifth information includes at least one fourth switching trigger event; the fifth IE is configured outside the sixth IE; wherein the sixth IE is an IE carrying at least one layer 3 measurement reporting event of the candidate cell; if the fifth information is the second bias condition; the fifth IE is configured within the sixth IE.

[0015] In some embodiments, for each fifth IE and the sixth IE corresponding to the fifth IE, when the fifth IE is configured outside the sixth IE, the CU sends first association information to the UE through the DU when sending the fifth IE; wherein the first association information is the association information between the fifth IE and the layer 3 measurement resources of the candidate cell corresponding to the fifth IE, so that the UE determines the layer 3 measurement resources required for the layer 3 execution conditions in the fifth IE based on the first association information; when the fifth IE is configured within the sixth IE, when sending the fifth IE, the CU sends second association information to the UE through the DU, wherein the second association information is the association information between the sixth IE and the layer 3 measurement resources of the candidate cell of the sixth IE, so that the UE determines the layer 3 measurement resources required for the layer 3 execution conditions in the fifth IE based on the second association information.

[0016] In a third aspect, the present application provides an IE configuration device, including: a module for executing the IE configuration method described in the first aspect and any embodiment of this aspect.

[0017] In a fourth aspect, the present application provides an IE configuration device, including: a module for executing the IE configuration method described in the above-mentioned second aspect and any embodiment of this aspect.

[0018] In a fifth aspect, the present application provides a communication device, comprising a memory and a processor, wherein the memory stores a computer program that can be run on the processor, and is characterized in that when the processor executes the program, it implements the IE configuration method described in the first aspect and any embodiment of this aspect.

[0019] In a sixth aspect, the present application provides a communication device, comprising a memory and a processor, wherein the memory stores a computer program that can be run on the processor, and is characterized in that when the processor executes the program, it implements the IE configuration method described in the second aspect and any embodiment of this aspect.

[0020] In the seventh aspect, the present application provides a computer-readable storage medium having a computer-executable program or instruction stored thereon. When the computer-executable program or instruction is executed by a processor on a network device, it can implement the method described in any embodiment of the first aspect and the method described in any embodiment of the second aspect.

[0021] In an eighth aspect, the present application provides a chip, comprising: an interface circuit and a logic circuit, the interface circuit being used to receive signals from other chips outside the chip and transmit them to the logic circuit, or to send signals from the logic circuit to other chips outside the chip, and the logic circuit being used to implement the method in any one of the embodiments of any one of the first aspect and the second aspect.

[0022] In a ninth aspect, the present application provides a computer program product comprising instructions, which, when executed on a computer, enables the computer to execute the method described in any embodiment of the first aspect and the method described in any embodiment of the second aspect.

[0023] The present application provides an IE configuration method for cell switching. Among them, the layer 1 measurement resources sent by the CU can be configured in the first IE or at least one second IE, the first IE supports carrying the layer 1 measurement resources of all candidate cells, and the second IE supports carrying the layer 1 measurement resources of one candidate cell; for the first IE, the DU configures a third IE to indicate the layer 1 execution conditions of all candidate cells, and sends the third IE and the fifth IE carrying the layer 3 execution conditions to the UE, saving the IE overhead of the UE and DU for cell switching based on the layer 1 and layer 3 execution conditions; for at least one second IE, the DU configures a fourth IE for each second IE, and the layer 1 execution conditions of different candidate cells are configured in different fourth IEs, so that the UE can selectively parse part of the fourth IE to perform cell switching based on the layer 1 execution conditions of some candidate cells, so that the time consumed in the cell switching process can be saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the structure of a communication system provided in an embodiment of the present application;

[0025] Figure 2 A signaling interaction diagram of the IE configuration method provided in an embodiment of the present application;

[0026] Figure 3 A schematic diagram of the structure of the IE configuration device provided in an embodiment of the present application;

[0027] Figure 4 A schematic diagram of the structure of the IE configuration device provided in an embodiment of the present application;

[0028] Figure 5 A schematic diagram of the structure of a network device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0029] In this application, "at least one" means one or more, and "plurality" 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 represent: 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 associated objects before and after are in an "or" relationship. "At least one of the following" 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 alone can represent: a, b, c, a and b, a and c, or a, b, and c, where a, b, and c can be single or multiple. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0030] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "up", "down", "left", "right", "front", and "back" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present application and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0031] The terms "connected" and "connected" should be understood in a broad sense. For example, the "connected" or "connected" of a circuit structure can refer to not only physical connection, but also electrical connection or signal connection. For example, it can be directly connected, that is, physically connected, or indirectly connected through at least one intermediate element, as long as the circuit is connected, or it can be the internal connection of two elements; signal connection can refer to signal connection through a circuit or through a media medium, such as radio waves. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] In the relevant cell switching process, the network device configures the L1 execution condition for the L1 measurement resource and the L3 execution condition for the L3 measurement resource for the UE, so that the UE performs the cell switching based on the L1 execution condition and the L3 execution condition.

[0033] Specifically, the CU in the network device configures L1 measurement resources for the UE, the CU sends the L1 measurement resources to the DU in the network device, the DU configures L1 execution conditions for the L1 measurement resources, and sends the L1 execution conditions to the CU; the CU generates L3 execution conditions for the L3 measurement resources, and sends the L3 execution conditions and the L1 execution conditions to the UE served by the network device through the DU, so that the UE performs cell switching based on the L1 execution conditions and / or the L3 execution conditions.

[0034] However, the existing solutions do not involve a method for transmitting L1 measurement resources, L1 execution conditions, and L3 execution conditions.

[0035] Based on this, the present application provides an IE configuration method applied to cell switching, and the "IE configuration method applied to cell switching" is referred to as the "IE configuration method" hereinafter. In the cell switching process, information elements are configured for the transmission of layer 1 measurement resources, layer 1 execution conditions and layer 3 execution conditions, so as to transmit layer 1 measurement resources, layer 1 execution conditions and layer 3 execution conditions through information elements. Among them, the layer 1 measurement resources can be transmitted using the first IE or at least one second IE. The DU configures a third IE for the first UE or configures at least one fourth IE for at least one second IE, and carries the layer 1 execution condition through the third IE or at least one fourth IE. In this way, the IE overhead of the cell switching process can be saved or the time consumption of the cell switching process can be saved.

[0036] First pass Figure 1 The application scenarios of the IE configuration method provided in the embodiments of the present application are introduced.

[0037] Figure 1 The following is a schematic diagram of the architecture of a communication system provided in an embodiment of the present application. Figure 1 As shown, the communication system 1 of the present application may include a network device 10 and a UE 20 .

[0038] The network device 10 is the network device currently accessed by the UE 20 , and the network device 10 provides network services for the UE 20 .

[0039] The network device includes a CU 11 and a plurality of DUs. Exemplarily, the plurality of DUs are DU 12, DU 13 and DU 14 respectively.

[0040] Among them, CU 11 is mainly used to process non-real-time protocols and services, and realize the wireless protocol functions of the packet data convergence protocol (PDCP) layer and above. As a central processing unit, CU 11 can be connected to multiple DUs separately to realize unified and centralized management of multiple DUs.

[0041] A DU manages one or more cells, and a UE 20 can access any cell. The cell accessed by the UE is called a serving cell, and the DU that manages the serving cell is called a serving DU. Figure 1 DU 12 in.

[0042] The IE configuration method provided in the present application can be applicable to various communication systems, and the communication system can be the fourth generation mobile communication system (the 4th generation mobile communication system, 4G), the fifth generation mobile communication technology (5th-Generation wireless communication technology, 5G) new radio (New Radio, NR) system or future communication system, and can also be various other wireless communication systems, such as: Narrow Band-Internet of Things (Narrow Band-Internet of Things, NB-IoT) system, Global System of Mobile communication (Global System of Mobile communication, GSM), Enhanced Data rate for GSM Evolution (Enhanced Data rate for GSM Evolution, EDGE) system, Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA) system, Code Division Multiple Access 2000 (Code Division Multiple Access, CDMA2000) system, Time Division-Synchronization Code Division Multiple Access (Time Division-Synchronization Code Division Multiple Access, TD-SCDMA) system, General Packet Radio Service (General Packet Radio Service, GPRS) system, Long Term Evolution (Long Term Evolution, LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD) system and Universal Mobile Telecommunication System (UMTS), etc.

[0043] The network device in the present application may be a base station, or an access point, or an access network device. For example, the network device may be a backpack base station, a satellite, a drone, a base station (base transceiverstation, BTS) in global system of mobile communication (GSM) or code division multiple access (CDMA), a base station (NodeB, NB) in wideband code division multiple access (WCDMA), an evolutionary base station (eNB or eNodeB) in long term evolution (LTE), or a terminal or relay station or access point that performs the base station function in V2X (vehicular to everything), device-to-device (D2D), and machine-to-machine (M2M) communications, or a base station in a 5G mobile communication system, such as gNB, etc., or a base station in a 6G mobile communication system, without limitation.

[0044] UE in this application may refer to user equipment, access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, wireless communication device, user agent or user device. UE may also be a satellite phone, a cellular phone, a smart phone, a wireless data card, a wireless modem, a machine type communication device, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device or a wearable device, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical, a wireless terminal in a smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, a terminal device in a 5G mobile communication system, a terminal device in a 6G mobile communication system, or a terminal device in a future mobile communication system, etc. In addition, UE may also be a terminal device in an Internet of Things (IoT) system.

[0045] The IE configuration method provided in the embodiment of the present application is described in detail below with reference to the accompanying drawings.

[0046] See also Figure 2 , Figure 2 A signaling interaction diagram of an IE configuration method provided in an embodiment of the present application. Figure 2 In the example, UE is Figure 1 The UE 20 shown, DU is Figure 1 DU 12, CU shown is Figure 1 CU 11 shown.

[0047] like Figure 2 As shown, the IE configuration method includes:

[0048] S201. CU sends a first IE or at least one second IE to DU.

[0049] Accordingly, the DU receives the first IE or at least one second IE sent by the CU.

[0050] The first IE carries first information, and the first information indicates first L1 measurement resources of all candidate cells.

[0051] Specifically, the first information includes at least one first L1 measurement resource index, and the at least one first L1 measurement resource is different from each other. One first L1 measurement resource index indicates one first L1 measurement resource; and one candidate cell corresponds to one or more first L1 measurement resource indexes.

[0052] The first IE is an IE that supports carrying all first L1 measurement resource indexes of all candidate cells.

[0053] After accessing the serving cell, the UE sends the L3 measurement report of the neighboring cells to the CU through the DU. Based on the L3 measurement report of the neighboring cells, the CU determines the candidate cells that the UE is allowed to access from the neighboring cells.

[0054] The number of candidate cells is greater than or equal to 1. The number of first L1 measurement resources is greater than or equal to 1.

[0055] In some embodiments, the first IE may be a channel state information resource configuration LTM-CSI-ResourceConfig IE for layer 1 / layer 2 triggered mobility management specified by the protocol. The first L1 measurement resource is an L1 measurement resource configured by the CU for at least one L1 measurement reporting event for layer 1 / layer 2 triggered mobility (L1 / L2-Triggered mobility, LTM) measurement.

[0056] One candidate cell corresponds to one or more first L1 measurement resources.

[0057] Each first L1 measurement resource may be an SSB resource or a CSI resource, and an index of the first L1 measurement resource may be a synchronization signal and physical broadcast channel block (SSB) index or a channel state information (CSI) index.

[0058] The second IE carries second information, where the second information indicates a second L1 measurement resource of a candidate cell.

[0059] Specifically, the second information includes at least one second L1 measurement resource index, and the at least one second L1 measurement resource index is different from each other. One second L1 measurement resource index indicates one second L1 measurement resource; and one candidate cell corresponds to one or more second L1 measurement resource indexes.

[0060] The second IE is an IE that supports carrying all second L1 measurement resource indexes of a candidate cell. One second L1 measurement resource corresponds to one second L1 measurement resource index, and at least one second IE corresponds one-to-one to all candidate cells.

[0061] In some embodiments, the second IE is a DU customized IE, and the second IE can be named: CLTM-CSI-ResourceConfig IE.

[0062] In some embodiments, the second IE also carries an identifier of the second IE.

[0063] One candidate cell corresponds to one or more second L1 measurement resources.

[0064] Each second L1 measurement resource may be an SSB resource or a CSI resource, and the index of the second L1 measurement resource may be an SSB index or a CSI index.

[0065] In some embodiments, for each candidate cell, the first L1 measurement resource corresponding to the candidate cell is the same as the second L1 measurement resource corresponding to the candidate cell. For each first L1 measurement resource and the second L1 measurement resource that is the same as the first L1 measurement resource, the index of the first L1 measurement resource corresponding to the candidate cell and the index of the second L1 measurement resource corresponding to the candidate cell may be the same or different.

[0066] The first IE or at least one second IE may be carried in a UE CONTEXT SETUP REQUEST message.

[0067] S202, DU determines whether the received IE is the first IE or at least one second IE; if it is the first IE, execute S203 to S204; if it is the second IE, execute S205 to S206.

[0068] The DU may parse a UE CONTEXT SETUP REQUEST message to determine whether the UE CONTEXT SETUP REQUEST message carries the first IE or at least one second IE.

[0069] If the UE CONTEXT SETUP REQUEST message carries the first IE, the DU executes S203 to S204. If the UE CONTEXT SETUP REQUEST message carries at least one second IE, the DU executes S205 to S206.

[0070] The first IE is used for DU to generate a third IE, and at least one second IE is used for DU to generate at least one fourth IE.

[0071] It can be seen that the types of IEs used to carry the L1 measurement resource index are different, and the IEs used by the DU to send the L1 execution conditions are different.

[0072] S203: DU generates a third IE.

[0073] The third IE carries third information; the third information indicates a first L1 execution condition set, the first L1 execution condition set includes a first L1 execution condition corresponding to each candidate cell, and the first L1 execution condition set is determined based on the first L1 resources of all candidate cells indicated by the first information.

[0074] Among them, the first L1 execution condition set indicated by the third IE includes at least one first switching trigger event customized by the DU; or, the first L1 execution condition set includes at least one second switching trigger event, and the second switching trigger event is determined by the DU based on at least one L1 measurement reporting event for the LTM and the first bias conditions corresponding to at least one L1 measurement reporting event.

[0075] When the first L1 execution condition set indicated by the third IE includes at least one first switching trigger event customized by the DU, the third information carried by the third IE is at least one first switching trigger event, and the third IE can be named: CLTM-TriggerEventConfig, and the third IE is configured in the channel state information report configuration LTM-CSI-ReportConfig IE for layer 1 / layer 2 triggered mobility management specified in the protocol. Among them, the LTM-CSI-ReportConfig IE includes the eighth IE, and the eighth IE is an IE carrying at least one layer 1 measurement reporting event.

[0076] When the first L1 execution condition set includes at least one second switching triggering event, the third information carried by the third IE includes at least one first offset condition. The third IE is configured in the channel state information report configuration LTM-CSI-ReportConfig IE for layer 1 / layer 2 triggered mobility management specified in the protocol, and the third IE can be named: CLTM-Offset.

[0077] When the first layer 1 execution condition set includes at least one first handover triggering event customized by the DU, the eighth IE does not include the third IE. When the first layer 1 execution condition set includes at least one second handover triggering event, the eighth IE includes the third IE.

[0078] S204. The DU sends a third IE to the CU.

[0079] Accordingly, the CU receives the third IE.

[0080] The third IE is carried in a downlink radio resource control reconfiguration (RRC Reconfiguration) message.

[0081] S205. The DU generates at least one fourth IE.

[0082] Among them, all candidate cells, all second IEs, all fourth IEs, all fourth information carried by the fourth IEs, and all second L1 execution conditions indicated by the fourth information correspond one to one.

[0083] For each fourth IE, the fourth IE carries fourth information, and the fourth information indicates a second L1 execution condition; the second L1 execution condition is a second L1 measurement resource configuration for the candidate cell indicated by the target second information; the target second information is the second information carried in the second IE corresponding to the fourth IE. That is, the fourth IE indicates the second L1 execution condition corresponding to the candidate cell.

[0084] The second L1 execution condition indicated by the fourth IE includes at least one third switching triggering event customized by the DU.

[0085] The fourth IE can be named: CLTM-CSI-Config. The fourth IE includes the customized CLTM-CSI-ResourceConfigId-r19 IE, CLTM-CSI-ConfigId-r19 IE and CLTM-TriggerEventConfig IE. Among them, the CLTM-CSI-ConfigId-r19 IE carries the identifier of the fourth IE, the CLTM-CSI-ResourceConfigId-r19IE carries the identifier of the second IE corresponding to the fourth IE, and the CLTM-TriggerEventConfig IE carries the fourth information.

[0086] The identifier of the second IE is used by the UE to determine the L1 measurement resources required for using the second L1 execution condition corresponding to the fourth IE.

[0087] The fourth IE is configured in the csi-MeasConfig IE specified in the protocol.

[0088] S206. The DU sends at least one fourth IE to the CU.

[0089] Accordingly, the CU receives at least one fourth IE.

[0090] At least one fourth IE is carried in a downlink RRC message.

[0091] S207. The CU adds the third IE and at least one fifth IE to the switching-related message, or the CU adds at least one fourth IE and at least one fifth IE to the switching-related message.

[0092] Among them, all fifth IEs correspond one-to-one to all candidate cells.

[0093] The fifth IE carries fifth information, and the fifth information indicates the L3 execution condition configured by the CU for the L3 measurement resource corresponding to the candidate cell.

[0094] In some embodiments, the fifth IE may be generated after receiving the third IE or at least one fourth IE, or may be pre-generated before receiving the third IE or at least one fourth IE.

[0095] Among them, the L3 execution condition includes at least one fourth switching trigger event customized by the CU, or the L3 execution condition includes at least one fifth switching trigger event, and the at least one fifth switching trigger event is determined by the CU based on at least one L3 measurement reporting event of the candidate cell and the second bias condition corresponding to at least one L3 measurement reporting event.

[0096] For each candidate cell and the fifth IE corresponding to the candidate cell, if the L3 execution condition of the candidate cell is at least one fourth switching triggering event customized by the CU, the fifth information carried by the fifth IE includes at least one fourth switching triggering event.

[0097] The fifth IE may be named as: condLTMTriggerConfig-r19 IE. The fifth IE is configured in the measurement report configuration ReportConfigNR IE specified in the protocol.

[0098] If the L3 execution condition of the candidate cell is at least one fifth switching triggering event, the fifth information carried by the fifth IE includes at least one second bias condition but does not include an L3 measurement reporting event, and the fifth IE is configured in the sixth IE. The sixth IE is an IE carrying at least one L3 measurement reporting event of the candidate cell.

[0099] The fifth IE may be named: CLTM-Offset. The sixth IE is configured in the measurement report configuration ReportConfigNR IE associated with the candidate cell.

[0100] S208. The CU sends a switching related message to the DU.

[0101] Accordingly, the DU receives a handover related message.

[0102] For each fifth IE and the sixth IE corresponding to the fifth IE, when the fifth IE is configured outside the sixth IE, the CU determines whether the fifth IE is associated with the L3 measurement resources of the corresponding candidate cell when sending a switching-related message. If so, when sending the fifth IE, the first association information of the two is sent to the UE.

[0103] If not associated, the DU associates the fifth IE with the L3 measurement resources of the corresponding candidate cell and then sends the first association information to the UE, so that the UE determines the L3 measurement resources required for using the L3 execution conditions in the fifth IE based on the first association information.

[0104] The CU associates the fifth IE with the L3 measurement resource of the candidate cell corresponding to the fifth IE, which means that a measurement identifier MeasId is configured for the measurement report configuration ReportConfigNR IE to which the fifth IE belongs and the measurement object MeasObjectId IE corresponding to the candidate cell corresponding to the fifth IE. The measurement identifier represents the first association information.

[0105] Among them, the MeasObjectId IE corresponding to the candidate cell indicates the L3 measurement resource of the candidate cell.

[0106] When the fifth IE is configured in the sixth IE, when the CU sends a switching-related message, it does not associate the fifth IE with the L3 measurement resources of the candidate cell corresponding to the fifth IE. The UE can determine the L3 measurement resources required to use the L3 execution conditions in the fifth IE based on the second association information; wherein the second association information is the association information between the sixth IE and the L3 measurement resources of the candidate cell of the sixth IE.

[0107] Among them, the measurement report configuration ReportConfigNR IE to which the sixth IE belongs and the measurement object MeasObjectId corresponding to the candidate cell corresponding to the sixth IE, and the measurement identifier MeasId corresponding to the two represent the second associated information.

[0108] The handover related message may be a radio resource control reconfiguration (RRCReconfiguration) message specified in the protocol, and the RRC Reconfiguration message is carried in a downlink radio resource control message transmission (DLRRC MESSAGE TRANSFER) message.

[0109] S209. The DU forwards the handover related message to the UE.

[0110] Accordingly, the UE receives a handover related message.

[0111] The UE parses the third IE in the switching-related message, and / or parses all or part of the fifth IE, and performs cell switching based on the first L1 execution conditions corresponding to all or part of the candidate cells obtained by the analysis, and / or the L3 execution conditions corresponding to all or part of the candidate cells obtained by the analysis; or, the switching-related message is used to instruct the UE to parse all or part of the fourth IE, and / or parse all or part of the fifth IE, and perform cell switching based on the second L1 execution conditions corresponding to all or part of the candidate cells obtained by the analysis, and / or the L3 execution conditions corresponding to all or part of the candidate cells obtained by the analysis.

[0112] Specifically, the UE performs measurement based on the first L1 measurement resource for each candidate cell to obtain a first L1 measurement result, and determines whether the first L1 measurement result satisfies the first L1 execution condition. Alternatively, the UE performs measurement based on the second L1 resource for each candidate cell to obtain a second L1 measurement result, and determines whether the second L1 measurement result satisfies the second L1 execution condition.

[0113] The first L1 measurement result satisfies the first L1 execution condition, which means that the first L1 measurement result satisfies any first switching triggering event, or the first L1 measurement result satisfies any second switching triggering event.

[0114] The second measurement result satisfies the second L1 execution condition, which means that the second L1 measurement result satisfies any third switching triggering event.

[0115] The UE performs measurement on each candidate cell based on the L3 measurement resources to obtain an L3 measurement result, and determines whether the L3 measurement result meets the L3 execution condition.

[0116] The L3 measurement result satisfies the L3 execution condition, which means that the L3 measurement result satisfies any fourth switching triggering event, or the L3 measurement result satisfies any fifth switching triggering event.

[0117] For any candidate cell, if the first condition is met and / or the L3 measurement result meets the L3 execution condition, the UE initiates an access request to the candidate cell and requests to switch to the candidate cell; wherein the first condition is: the first L1 measurement result of the candidate cell meets the first L1 execution condition, or the second L1 measurement result of the candidate cell meets the second L1 execution condition.

[0118] The present application provides an information element configuration method for cell switching, wherein the L1 measurement resource sent by the CU can be configured in a first IE or at least one second IE, wherein the first IE supports carrying the L1 measurement resources of all candidate cells, and the second IE supports carrying the L1 measurement resource of one candidate cell; for the first IE, the DU configures a third IE to indicate the L1 execution conditions of all candidate cells, and sends the third IE and the fifth IE carrying the L3 execution conditions to the UE, saving the IE overhead of the UE and the DU performing cell switching based on the L1 and / or L3 execution conditions; for at least one second IE, the DU configures a fourth IE for each second IE, and the L1 execution conditions of different candidate cells are configured in different fourth IEs, and sent to the UE together with the fifth IE carrying the L3 execution conditions. This allows the UE to selectively parse part of the fourth IE to perform cell switching based on the L1 execution conditions of some candidate cells, thereby saving time in the cell switching process.

[0119] Based on the above exemplary description, the first L1 execution condition set has 2 cases, the second L1 execution condition has one case, and the L3 execution condition has 3 cases. Below, the third IE corresponding to different first L1 execution condition sets, the fourth IE corresponding to different second L1 execution conditions, and the fifth IE corresponding to different L3 execution conditions are described in detail.

[0120] The first L1 execution condition set is introduced below.

[0121] The two cases of the first L1 execution condition set and the corresponding third IE are:

[0122] Case A: the first L1 execution condition set includes at least one first switching triggering event customized by the DU, and the third IE carries the at least one first switching triggering event.

[0123] Case B: the first L1 execution condition set includes at least one second switching triggering event, and the at least one second switching triggering event is determined by at least one L1 measurement reporting event and at least one first bias condition; the third IE carries at least one first bias condition.

[0124] Specifically, case A includes two sub-cases, namely, case A.1: the first condition parameter of the first switching trigger event includes at least one first parameter value corresponding to each first L1 measurement resource; case A.2: the first condition parameter of the first switching trigger event includes a second parameter value corresponding to all first L1 measurement resources. Next, the third IE corresponding to different sub-cases is introduced. In different sub-cases, the content of the third information carried by the third IE is different.

[0125] If the first L1 execution condition set corresponds to situation A.1, for each first switching trigger event, the first switching trigger event includes a plurality of first condition parameters; wherein each first condition parameter includes at least one first parameter value. For each first condition parameter, at least one first parameter value of the first condition parameter corresponds one-to-one to at least one first L1 measurement resource.

[0126] For each first L1 measurement resource under each first switching triggering event, all first parameter values ​​corresponding to the first L1 measurement resource under the first switching triggering event indicate a first sub-triggering event corresponding to the first L1 measurement resource under the first switching triggering event.

[0127] For each candidate cell, the first L1 execution condition corresponding to the candidate cell includes: first sub-trigger conditions corresponding to all first L1 measurement resources of the candidate cell under each first handover triggering event.

[0128] The following takes at least one first switching triggering event as an A3 event and an A5 event as an example to illustrate the relevant code of the third IE under situation A.1. The code is as follows (the content after " / / " is: an explanation of the one or more lines of code before " / / "):

[0129] LTM-CSI-ReportConfig-r19 IE: {LTM-CSI-ReportConfigId-r19;

[0130] LTM-CSI-ResourceConfigId-r19; / / IE specified by the protocol

[0131] CLTM-TriggerEventConfig{ / / Third IE

[0132] condEventId CHOICE{ / / Select A3 event or A5 event

[0133] condLTMEventA3 SEQUENCE{ / / A3 event

[0134] a3-Offset{MeasTriggerQuantityOffset,MeasTriggerQuantityOffset,…,MeasTriggerQuantityOffset}, / / The first condition parameter and at least one first parameter value of the A3 event

[0135] hysteresis{Hysteresis,Hysteresis,…,Hysteresis}, / / The first condition parameter and at least one first parameter value of the A3 event

[0136] timeToTriggersequence{TimeToTrigger,TimeToTrigger,..,TimeToTrigger} / / The first condition parameter and at least one first parameter value of the A3 event

[0137] Rstype{ssb-rs,csi-rs,…,ssb-rs} / / reference signal type

[0138] },

[0139] condLTMEventA5 SEQUENCE{ / / A5 event

[0140] a5-Threshold1{MeasTriggerQuantity,MeasTriggerQuantity,…,MeasTriggerQuantity},

[0141] / / The first condition parameter and at least one first parameter value of the A5 event

[0142] a5-Threshold2{MeasTriggerQuantity,MeasTriggerQuantity,..,MeasTriggerQuantity},

[0143] / / The first condition parameter and at least one first parameter value of the A5 event

[0144] hysteresis{Hysteresis,Hysteresis,…,Hysteresis}, / / The first condition parameter and at least one first parameter value of the A5 event

[0145] timeToTrigger sequence{TimeToTrigger,TimeToTrigger,…TimeToTrigger}, / / The first condition parameter and at least one first parameter value of the A5 event

[0146] Rstype{ssb-rs,csi-rs,…,ssb-rs}}, / / reference signal type

[0147] MeasTriggerQuantityOffset::=CHOICE{ / / Select the reference signal power range corresponding to event A3

[0148] rsrp INTEGER(-30..30),

[0149] rsrq INTEGER(-30..30),

[0150] sinr INTEGER(-30..30)}

[0151] MeasTriggerQuantity::=CHOICE{ / / Select the reference signal power range corresponding to the A5 event

[0152] rsrp RSRP-Range,

[0153] rsrq RSRQ-Range,

[0154] sinr SINR-Range}

[0155] }}

[0156] As described in the code, the A3 event includes three first condition parameters, namely, the offset parameter a3-Offset of the A3 event, the hysteresis parameter hysteresis of the A3 event, and the trigger time parameter TimeToTriggersequence of the A3 event.

[0157] The offset parameters of the A3 event include at least one offset quantity MeasTriggerQuantityOffset, the hysteresis parameters of the A3 event include at least one hysteresis quantity Hysteresis, and the trigger time parameters of the A3 event include at least one trigger time TimeToTrigger.

[0158] Among them, at least one offset, at least one hysteresis, at least one first trigger time, and at least one first reference signal type value of the A3 event correspond one-to-one with at least one first L1 measurement resource. Among them, the at least one first L1 measurement resource is the first L1 measurement resource corresponding to all candidate cells.

[0159] For each first L1 measurement resource, the offset corresponding to the first L1 measurement resource, the hysteresis corresponding to the first L1 measurement resource and the first triggering time corresponding to the first L1 measurement resource indicate a first sub-triggering event corresponding to the first L1 measurement resource under the A3 event.

[0160] One candidate cell corresponds to one or more first L1 measurement resources, which may also be referred to as at least one first L1 measurement resource. That is, for each candidate cell, the number of first L1 measurement resources configured by the CU for the candidate cell is one or more.

[0161] The A5 event includes four first condition parameters, namely, a first threshold parameter a5-Threshold1 of the A5 event, a second threshold parameter a5-Threshold2 of the A5 event, a hysteresis parameter of the A5 event, and a trigger time parameter of the A5 event.

[0162] The first threshold parameter of the A5 event includes at least one MeasTriggerQuantity in the first threshold value a5-Threshold1, the second threshold parameter of the A5 event includes at least one MeasTriggerQuantity in the second threshold value a5-Threshold2, the hysteresis parameter of the A5 event includes at least one hysteresis quantity, and the trigger time parameter of the A5 event includes at least one trigger time.

[0163] Among them, at least one first threshold value, at least one second threshold value, at least one hysteresis value, and at least one second trigger time of the A5 event correspond one-to-one to at least one first L1 measurement resource.

[0164] For each first L1 measurement resource, the first threshold value corresponding to the first L1 measurement resource, the second threshold value corresponding to the first L1 measurement resource, the hysteresis amount corresponding to the first L1 measurement resource and the second trigger time corresponding to the first L1 measurement resource indicate the first sub-trigger event corresponding to the first L1 measurement resource under the A5 event.

[0165] For each candidate cell, the first L1 execution condition corresponding to the candidate cell includes: the first sub-trigger events corresponding to all first L1 measurement resources of the candidate cell under the A3 event, and the first sub-trigger events corresponding to all first L1 measurement resources of the candidate cell under the A5 event.

[0166] If the first L1 execution condition set corresponds to situation A.2, the first condition parameter of the first switching triggering event includes a second parameter value.

[0167] The following takes at least one first switching triggering event as an A3 event and an A5 event as an example to illustrate the relevant code of the third IE under situation A.2. The code is as follows: (the content after " / / " is: an explanation of the one or more lines of code before " / / ")

[0168] LTM-CSI-ReportConfig-r19 IE:

[0169] {LTM-CSI-ReportConfigId-r19; LTM-CSI-ResourceConfigId-r19;

[0170] CLTM-TriggerEventConfig{

[0171] condEventId CHOICE{

[0172] condLTMEventA3 SEQUENCE{ / / A3 event

[0173] a3-Offset MeasTriggerQuantityOffset,hysteresis Hysteresis,timeToTrigger TimeToTrigger,

[0174] / / Each first condition parameter includes a second parameter value

[0175] Rstype::=choice{ssb-rs,csi-rs,},

[0176] MeasTriggerQuantityOffset::=CHOICE{rsrp INTEGER(-30..30),rsrqINTEGER(-30..30)

[0177] ,sinr INTEGER(-30..30)},

[0178] SSB-CSI-index::={1,2,…128}, / / The first L1 measurement resource index applicable to each second parameter value of A3 event

[0179] },

[0180] condLTMEventA5 SEQUENCE{ / / A5 event

[0181] a5-Threshold1 MeasTriggerQuantity,a5-Threshold2 MeasTriggerQuantity,hysteresis Hysteresis,timeToTrigger TimeToTrigger / / Each first condition parameter includes a second parameter value

[0182] Rstype::=choice{ssb-rs,csi-rs,}

[0183] MeasTriggerQuantity::=CHOICE{rsrp RSRP-Range,rsrq RSRQ-Range,sinrSINR-Range}

[0184] SSB-CSI-index::={1,2,…128}}, / / The first L1 measurement resource index applicable to each second parameter value of A5 event

[0185] }}}

[0186] The code in case A.2 is partially the same as that in case A.1. For explanations of the same parts, please refer to the relevant instructions in case A.1.

[0187] Different from the A.1 case, each first condition parameter of the A3 event includes a second parameter value. The third IE carries the SSB-CSI-index IE, which is used to indicate the L1 measurement resource index to which the second parameter value of the A3 event applies, and the L1 measurement resource index to which the second parameter value of the A3 event applies includes the first L1 measurement resource index.

[0188] Specifically, the offset parameter of the A3 event includes an offset, the hysteresis parameter of the A3 event includes a hysteresis, and the trigger time parameter of the A3 event includes a trigger time.

[0189] The A5 event includes four first condition parameters, namely, a first threshold parameter of the A5 event, a second threshold parameter of the A5 event, a hysteresis parameter of the A5 event, and a trigger time parameter of the A5 event.

[0190] The first threshold parameter of the A5 event includes a first threshold value, the second threshold parameter of the A5 event includes a second threshold value, the hysteresis parameter of the A5 event includes a hysteresis amount, and the trigger time parameter of the A5 event includes a trigger time.

[0191] Each first L1 measurement resource corresponds to a first threshold value, a second threshold value, and a hysteresis value of the A5 event.

[0192] For each first L1 measurement resource, a first threshold value, a second threshold value, a hysteresis value, and a second trigger time are used to indicate a first sub-trigger event corresponding to the A5 event first L1 measurement resource.

[0193] For each candidate cell, the first L1 execution condition corresponding to the candidate cell includes: the first sub-trigger events corresponding to all first L1 measurement resources of the candidate cell under the A3 event, and the first sub-trigger events corresponding to all first L1 measurement resources of the candidate cell under the A5 event.

[0194] If the first L1 execution condition set corresponds to situation B.1, the L1 measurement reporting event includes multiple second condition parameters; the first bias condition corresponding to the L1 measurement reporting event includes multiple third condition parameters.

[0195] Each second condition parameter includes at least one third parameter value; each third condition parameter includes at least one fourth parameter value.

[0196] Multiple second condition parameters and multiple third condition parameters correspond one-to-one; for each second condition parameter and the corresponding third condition parameter, at least one third parameter value of the second condition parameter, at least one fourth parameter value of the third condition parameter and at least one first L1 measurement resource correspond one-to-one.

[0197] For each first L1 measurement resource under the second switching trigger event corresponding to each L1 measurement reporting event, all third parameter values ​​and all fourth parameter values ​​corresponding to the first L1 measurement resource under the second switching trigger event indicate the third sub-trigger event of the first L1 measurement resource under the second switching trigger event.

[0198] For each candidate cell, the second L1 execution condition corresponding to the candidate cell includes: under each second handover triggering event, third sub-trigger conditions respectively corresponding to all first L1 measurement resources of the candidate cell.

[0199] For each second condition parameter of each L1 measurement reporting event, the second condition parameter has the same meaning as the third condition parameter. The second condition parameter and the third condition parameter can be described as target condition parameters.

[0200] When each third condition parameter includes at least one fourth parameter value, the third parameter value included in the second condition parameter is different from the fourth parameter value included in the third condition parameter.

[0201] For each second switching trigger event, the second switching trigger event includes multiple target condition parameters; for each target condition parameter, the target condition parameter includes at least one sixth parameter value. The at least one sixth parameter value, the at least one third parameter value, and the at least one fourth parameter value correspond one to one.

[0202] When each third conditional parameter includes at least one fourth parameter value, for each sixth parameter value, the sixth parameter value is determined based on the corresponding third parameter value and the corresponding fourth parameter value.

[0203] When each third condition parameter includes a fifth parameter value, for each sixth parameter value, the sixth parameter value is determined based on the third parameter value and the fifth parameter value corresponding to the sixth parameter.

[0204] Then, for each first L1 measurement resource under the second switching trigger event corresponding to each L1 measurement reporting event, all the third parameter values ​​and all the fourth parameter values ​​corresponding to the first L1 measurement resource under the second switching trigger event indicate the third sub-trigger event of the first L1 measurement resource under the second switching trigger event, which can also be described as: for each first L1 measurement resource under the second switching trigger event corresponding to each L1 measurement reporting event, all the sixth parameter values ​​corresponding to the first L1 measurement resource under the second switching trigger event indicate the third sub-trigger event of the first L1 measurement resource under the second switching trigger event.

[0205] The following takes at least one L1 measurement reporting event as an A3 event and an A5 event as an example to illustrate the relevant codes of the third IE under situation B.1. The codes are as follows (the content after " / / " is: an explanation of the one or more lines of code before " / / "):

[0206] LTM-CSI-ReportConfig-r19 IE: {LTM-CSI-ReportConfigID-r19;

[0207] LTM-CSI-ResourceConfig-r18; / / IE specified by the protocol

[0208] LTM-Event-Trigger-Config{ / / IE specified by the protocol

[0209] EventId CHOICE{

[0210] LTMEventA3 SEQUENCE{ / / The first sub-IE corresponding to the eighth IE of A3 event

[0211] a3-Offset{MeasTriggerQuantityOffset,…,MeasTriggerQuantityOffset},hysteresis

[0212] {Hysteresis,…,Hysteresis},timeToTrigger{TimeToTrigger,…,TimeToTrigger} / / Each second condition parameter includes at least one third parameter value

[0213] Rstype::={ssb-rs,…,csi-rs,}

[0214] CLTM-Offset{ / / The third sub-IE corresponding to the third IE

[0215] a3-Offset{MeasTriggerQuantityOffset,…,MeasTriggerQuantityOffset},hysteresis

[0216] {Hysteresis,…,Hysteresis},timeToTrigger{TimeToTrigger,…,TimeToTrigger}} / / Each third condition parameter includes at least one fourth parameter value

[0217] CLTM-SSB-CSIRS-index-indication{SSB index::={1,2,…128}} / / Layer 1 measurement resource index to which the first bias condition applies

[0218] MeasTriggerQuantityOffset::=CHOICE{rsrp INTEGER(-30..30),rsrqINTEGER(-30..30)

[0219] ,sinr INTEGER(-30..30)},

[0220] },

[0221] LTMEventA5 SEQUENCE{ / / The second sub-IE corresponding to the eighth IE of A5 event

[0222] a5-Threshold1{MeasTriggerQuantity,…,MeasTriggerQuantity},a5-Threshold2

[0223] {MeasTriggerQuantity,…,MeasTriggerQuantity},hysteresis

[0224] {Hysteresis,…,Hysteresis},timeToTrigger{TimeToTrigger,…,TimeToTrigger} / / Each second condition parameter includes at least one third parameter value

[0225] Rstype::={ssb-rs,…,csi-rs,}

[0226] CLTM-Offset{ / / The fourth sub-IE corresponding to the third IE

[0227] a5-Threshold1{MeasTriggerQuantity,…,MeasTriggerQuantity},a5-Threshold2

[0228] {MeasTriggerQuantity,…,MeasTriggerQuantity},hysteresis{Hysteresis,…,Hysteresis},

[0229] timeToTrigger{TimeToTrigger,…,TimeToTrigger}} / / Each third condition parameter includes at least one fourth parameter value

[0230] CLTM-SSB-CSIRS-index-indication{SSB index::={1,2,…128}} / / Layer 1 measurement resource index to which the first bias condition applies

[0231] MeasTriggerQuantity::=CHOICE{

[0232] rsrp RSRP-Range,

[0233] rsrq RSRQ-Range,

[0234] sinr SINR-Range}

[0235] MeasTriggerQuantityOffset::=CHOICE{

[0236] rsrp INTEGER (-30..30),

[0237] rsrq INTEGER(-30..30),

[0238] sinr INTEGER(-30..30)}

[0239] }}}

[0240] The code in case A is partially the same as that in case B. For explanations of the same parts, please refer to the relevant instructions in case A.

[0241] In case B.1, the eighth IE carrying the L1 measurement reporting event is the first sub-IE and the second sub-IE, and the first sub-IE and the second sub-IE are respectively the A3 event LTMEventA3 IE in the mobility switching triggered by layer 1 / layer 2 and the A5 event LTMEventA5 IE in the mobility switching triggered by layer 1 / layer 2; the third IE is the third sub-IE and the fourth sub-IE, both named CLTM-Offset IE, and the two CLTM-Offset IEs correspond to the A3 event and the A5 event respectively; the two CLTM-Offset IEs are respectively configured in the LTMEventA3 IE and the LTMEventA5 IE.

[0242] Among them, LTM-Event-Trigger-ConfigIE also includes two customized

[0243] CLTM-SSB-CSIRS-index-indication IE, where one CLTM-SSB-CSIRS-index-indication carries the layer 1 measurement resource index to which the first bias condition corresponding to the A3 event applies, and the other

[0244] The CLTM-SSB-CSIRS-index-indication IE carries the layer 1 measurement resource index to which the first bias condition corresponding to the A5 event applies; both layer 1 measurement resource indexes include the first layer 1 measurement resource index.

[0245] If the first L1 execution condition set corresponds to situation B.2, the first bias condition corresponding to the L1 measurement reporting event includes a fourth condition parameter.

[0246] Each third condition parameter includes a fifth parameter value.

[0247] For each first L1 measurement resource under the second switching trigger event corresponding to each L1 measurement reporting event, all fifth parameter values ​​under the second switching trigger event and all third parameter values ​​corresponding to the first L1 measurement resource indicate the fourth sub-trigger event of the first L1 measurement resource under the second switching trigger event.

[0248] For each candidate cell, the first L1 execution condition corresponding to the candidate cell includes: fourth sub-trigger events corresponding to all first L1 measurement resources of the candidate cell under each second handover trigger event.

[0249] The third IE is described below by taking at least one L1 measurement reporting event as an A3 event and an A5 event as an example.

[0250] The relevant code of the third IE is as follows:

[0251] LTM-CSI-ReportConfig-r19 IE:

[0252] {LTM-CSI-ReportConfigId-r19; LTM-CSI-ResourceConfigId-r18; / / IE specified in the protocol

[0253] LTM-Event-Trigger-Config{ / / IE specified by the protocol

[0254] EventId CHOICE{

[0255] LTMEventA3 SEQUENCE{ / / A3 event

[0256] a3-Offset{MeasTriggerQuantityOffset,…,MeasTriggerQuantityOffset},hysteresis

[0257] {Hysteresis,…,Hysteresis},timeToTrigger{TimeToTrigger,…,TimeToTrigger}} / / Each second condition parameter includes at least one third parameter value

[0258] CLTM-Offset

[0259] a3-Offset MeasTriggerQuantityOffset,hysteresis Hysteresis,timeToTrigger TimeToTrigger} / / Multiple third condition parameters of the first bias condition, each third condition parameter includes a fifth parameter value

[0260] Rstype::=choice{ssb-rs,csi-rs,}

[0261] CLTM-SSB-CSIRS index-indication{SSB index::={1,2,…128}}

[0262] MeasTriggerQuantityOffset::=CHOICE{rsrp INTEGER(-30..30),rsrqINTEGER(-30..30)

[0263] ,sinr INTEGER(-30..30)},

[0264] },

[0265] LTMEventA5 SEQUENCE{ / / A5 event

[0266] a5-Threshold1{MeasTriggerQuantity,…,MeasTriggerQuantity},a5-Threshold2

[0267] {MeasTriggerQuantity,…,MeasTriggerQuantity},hysteresis{Hysteresis,…,Hysteresis},

[0268] timeToTrigger{TimeToTrigger,…,TimeToTrigger}} / / Each second condition parameter includes at least one third parameter value

[0269] Rstype::=choice{ssb-rs,csi-rs,}

[0270] CLTM-Offset

[0271] a5-Threshold1 MeasTriggerQuantity, a5-Threshold2 MeasTriggerQuantity, hysteresis Hysteresis, timeToTrigger TimeToTrigger} / / Multiple third condition parameters of the first bias condition, each third condition parameter includes a fifth parameter value

[0272] CLTM-ssb-index{SSB index::={1,2,…128}}

[0273] MeasTriggerQuantity::=CHOICE{rsrp RSRP-Range,rsrq RSRQ-Range,sinrSINR-Range}

[0274] },

[0275] }

[0276] }

[0277] The code in case B.2 is partially the same as that in case B.1. For explanations of the same parts, please refer to the relevant instructions in case B.1.

[0278] In case B.2, the eighth IE carrying the L1 measurement reporting event is the first sub-IE and the second sub-IE, and the first sub-IE and the second sub-IE are respectively the A3 event LTMEventA3 IE in the mobility switching triggered by layer 1 / layer 2 and the A5 event LTMEventA5 IE in the mobility switching triggered by layer 1 / layer 2; the third IE is the third sub-IE and the fourth sub-IE, both named CLTM-OffsetIE, and the two CLTM-Offset IEs correspond to the A3 event and the A5 event respectively; the two CLTM-Offset IEs are respectively configured in the LTMEventA3 IE and the LTMEventA5 IE.

[0279] Among them, LTM-Event-Trigger-ConfigIE also includes two customized

[0280] CLTM-SSB-CSIRS-index-indication IE, where one CLTM-SSB-CSIRS-index-indication carries the layer 1 measurement resource index to which the first bias condition corresponding to the A3 event applies, and the other

[0281] The CLTM-SSB-CSIRS-index-indication IE carries the layer 1 measurement resource index to which the first bias condition corresponding to the A5 event applies; both layer 1 measurement resource indexes include the first layer 1 measurement resource index.

[0282] In some embodiments, in the LTM-Event-Trigger-Config IE, a custom CLTM-SSB-CSIRS index-indication IE is also configured to characterize the L1 measurement resource index to which the first bias condition corresponding to the A3 event is applicable. In the LTM-Event-Trigger-Config IE, a custom CLTM-SSB-CSIRS index-indication IE is also configured to characterize the L1 measurement resource index to which the first bias condition corresponding to the A5 event is applicable; both L1 measurement resource indexes include the first L1 measurement resource index.

[0283] Next, the fourth IE corresponding to the second L1 execution condition is introduced.

[0284] Taking the second L1 execution condition as A3 event and A5 event as an example, the fourth IE corresponding to each candidate cell and the related code of the fourth IE are explained. Among them, the fourth IE includes: a customized CLTM-CSI-ResourceConfigId-r19 IE, a customized CLTM-CSI-ConfigId-r192 IE and a customized CLTM-TriggerEventConfig IE. Among them, the CLTM-CSI-ResourceConfigId-r19 IE carries the identifier of the second IE corresponding to the fourth IE, the CLTM-CSI-ConfigId-r192 IE carries the identifier of the fourth IE, and the CLTM-TriggerEventConfig is used to carry the fourth information to indicate the second L1 execution condition.

[0285] CLTM-TriggerEventConfig{ / / IE carrying the fourth information in the fourth IE

[0286] condEventId CHOICE{ / / Select A3 or A5 event

[0287] condLTMEventA3 SEQUENCE{ / / A3 event

[0288] a3-Offset{MeasTriggerQuantityOffset,MeasTriggerQuantityOffset,…,MeasTriggerQuantityOffset},

[0289] hysteresis{Hysteresis,Hysteresis,…,Hysteresis},

[0290] timeToTriggersequence{TimeToTrigger,TimeToTrigger,..,TimeToTrigger}

[0291] Rstype{ssb-rs,csi-rs,…,ssb-rs}

[0292] },

[0293] condLTMEventA5 SEQUENCE{ / / A5 event

[0294] a5-Threshold1{MeasTriggerQuantity1,MeasTriggerQuantity1,…,MeasTriggerQuantity1},

[0295] a5-Threshold2{MeasTriggerQuantity2,MeasTriggerQuantity2,..,MeasTriggerQuantity2},

[0296] hysteresis{Hysteresis,Hysteresis,…,Hysteresis},

[0297] timeToTrigger sequence{TimeToTrigger,TimeToTrigger,…TimeToTrigger},

[0298] Rstype{ssb-rs,csi-rs,…,ssb-rs}},

[0299] MeasTriggerQuantityOffset::=CHOICE{

[0300] rsrp INTEGER(-30..30),

[0301] rsrq INTEGER(-30..30),

[0302] sinr INTEGER(-30..30)}

[0303] MeasTriggerQuantity::=CHOICE{

[0304] rsrp RSRP-Range,

[0305] rsrq RSRQ-Range,

[0306] sinr SINR-Range}

[0307] }}

[0308] The above code is partially identical to the code of the first L1 execution condition in case A. For explanations of the same parts, please refer to the relevant description of case A.

[0309] Among them, the fourth IE can be named: CLTM-CSI-Config IE.

[0310] Next, the fifth IE corresponding to the L3 execution condition in three situations is introduced.

[0311] For each candidate cell, the three cases of L3 execution conditions and the corresponding fifth IE are:

[0312] Case C: The L3 execution condition is at least one fourth handover triggering event customized by the CU, and the fifth information carried by the fifth IE is the at least one fourth handover triggering event. The fifth IE is not associated with the L3 measurement resources of the candidate cell.

[0313] Case D: The L3 execution condition is at least one fourth handover triggering event customized by the CU, and the fifth information carried by the fifth IE is the at least one fourth handover triggering event. The fifth IE has been associated with the L3 measurement resources of the candidate cell.

[0314] Case E: The L3 execution condition includes at least one fifth switching trigger event, and the fifth information carried by the fifth IE includes at least one second bias condition; wherein the at least one fifth switching trigger event is determined by the CU based on at least one L3 measurement reporting event of the candidate cell and the second bias condition corresponding to at least one L3 measurement reporting event. The fifth IE is configured in the sixth IE.

[0315] In case C, the relevant codes of the fifth IE are described by taking the fourth switching triggering event including the A3 event and the A5 event as an example. The relevant codes of the fifth IE are as follows:

[0316] MeasConfig::=SEQUENCE{ / / Measurement configuration

[0317] measIdToAddModList MeasIdToAddModList / / Measurement identification configuration

[0318] measObjectToAddModList MeasObjectToAddModList / / Measurement object configuration

[0319] reportConfigToAddModList ReportConfigToAddMofList} / / Measurement report configuration

[0320] MeasIdToAddModList::=MeasIdToAddMod;

[0321] MeasIdToAddMod::=SEQUENCE{ / / Specific content of measurement configuration

[0322] measId MeasId,

[0323] measObjectId MeasObjectId,

[0324] reportConfigId ReportConfigId

[0325] }

[0326] ReportConfigToAddMofList:: = {ReportConfigToAddMod}

[0327] ReportConfigToAddMod:: = SEQUENCE{reportConfigId,ReportConfigNR}

[0328] ReportConfigNR:: = SEQUENCE{

[0329] condLTMTriggerConfig-r19 CondLTMTriggerConfig-r19,} / / Fifth IE

[0330] CondLTMTriggerConfig-r19:: = SEQUENCE{

[0331] condLTMEventId CHOICE{

[0332] condLTMEventA3 SEQUENCE{ / / A3 event

[0333] a3-Offset MeasTriggerQuantityOffset,

[0334] hysteresis Hysteresis,

[0335] timeToTrigger TimeToTrigger

[0336] },

[0337] condLTMEventA5 SEQUENCE{ / / A5 event

[0338] a5-Threshold1 MeasTriggerQuantity,

[0339] a5-Threshold2 MeasTriggerQuantity,

[0340] hysteresis Hysteresis,

[0341] timeToTrigger TimeToTrigger

[0342] },

[0343] ...,

[0344] },

[0345] rsType-r19 CHOICE{ssb,csi-rs},

[0346] }

[0347] MeasTriggerQuantity::=CHOICE{

[0348] rsrp RSRP-Range,

[0349] rsrq RSRQ-Range,

[0350] sinr SINR-Range

[0351] }

[0352] MeasTriggerQuantityOffset::=CHOICE{

[0353] rsrp INTEGER(-30..30),

[0354] rsrq INTEGER(-30..30),

[0355] sinr INTEGER(-30..30)

[0356] }

[0357] The code in case C is partially the same as that in case A. For explanations of the same parts, please refer to the relevant instructions in case A.

[0358] In case C, for each relevant parameter of the fourth switching triggering event, the number of parameter values ​​of the relevant parameter is 1.

[0359] The first condition parameter of the first switching trigger event and the target condition parameter of the second switching trigger event have the same meaning. The third switching trigger event, the fourth switching trigger event and the fifth switching trigger event all have related parameters with the same meaning as the first condition parameter of the first switching trigger event.

[0360] Among them, the measurement configuration includes measurement identification configuration, measurement object configuration and measurement report configuration. Among them, the measurement object configuration refers to configuring L3 measurement resources for the candidate cell, the measurement report configuration refers to configuring L3 execution conditions for the candidate cell, and the measurement identification configuration associates the L3 measurement resources of the candidate cell with the corresponding L3 execution conditions. Specifically, in the above code, the CU allocates a measurement identifier measId to the measurement report ReportConfigNR of the fifth IE indicating the L3 execution condition and the measurement object measObject indicating the L3 measurement resources of the candidate cell, so as to associate the L3 measurement resources of the candidate cell with the corresponding L3 execution conditions.

[0361] In case C, the fifth IE can be named condLTMTriggerConfig-r19. The fifth IE is configured in the ReportConfigNR IE associated with the current candidate cell. The measurement report ReportConfigNR IE corresponding to the current candidate cell is configured in the measurement configuration MeasConfig IE.

[0362] The sixth IE includes an IE carrying an A3 event and an IE carrying an A5 event. The above code does not include the sixth IE.

[0363] In case D, the fifth IE has been associated with the L3 measurement resource of the candidate cell. Taking the fourth handover triggering event including the A3 event and the A5 event as an example, the relevant code of the fifth IE is described. The relevant code of the fifth IE is as follows:

[0364] ReportConfigToAddMod::=SEQUENCE{reportConfigId,ReportConfigNR}

[0365] ReportConfigNR::=SEQUENCE{Measurement report configuration IE associated with the current candidate cell

[0366] condLTMTriggerConfig-r19 CondLTMTriggerConfig-r19,}

[0367] CondLTMTriggerConfig-r19::=SEQUENCE{ / / Fifth IE

[0368] condLTMEventId CHOICE{

[0369] condLTMEventA3 SEQUENCE{ / / A3 event

[0370] a3-Offset MeasTriggerQuantityOffset,

[0371] hysteresis Hysteresis,

[0372] timeToTrigger TimeToTrigger

[0373] },

[0374] condLTMEventA5 SEQUENCE{ / / A5 event

[0375] a5-Threshold1 MeasTriggerQuantity,

[0376] a5-Threshold2 MeasTriggerQuantity,

[0377] hysteresis Hysteresis,

[0378] timeToTrigger TimeToTrigger

[0379] },

[0380] ...,

[0381] },

[0382] rsType-r19 CHOICE{ssb,csi-rs},

[0383] }

[0384] MeasTriggerQuantity::=CHOICE{

[0385] rsrp RSRP-Range,

[0386] rsrq RSRQ-Range,

[0387] sinr SINR-Range

[0388] }

[0389] MeasTriggerQuantityOffset::=CHOICE{

[0390] rsrp INTEGER(-30..30),

[0391] rsrq INTEGER(-30..30),

[0392] sinr INTEGER(-30..30)

[0393] The code in case D is partially the same as that in case A. For explanations of the same parts, please refer to the relevant instructions in case A.

[0394] In case D, for each relevant parameter of the fourth switching triggering event, the number of parameter values ​​of the relevant parameter is 1.

[0395] The difference between case D and case C is that case D has associated the fifth IE with the L3 measurement resources of the candidate cell. Therefore, compared with case C, case D deletes the relevant codes of the measurement configuration.

[0396] In case E, the L3 measurement reporting event including the A3 event and the A5 event is taken as an example to illustrate the relevant codes of the fifth IE. The relevant codes of the fifth IE are as follows:

[0397] ReportConfigToAddMofList::={ReportConfigToAddMod} / / IE specified by the protocol

[0398] ReportConfigToAddMod::=SEQUENCE{reportConfigId,ReportConfigNR}

[0399] ReportConfigNR::=SEQUENCE{ / / IE specified by the protocol

[0400] condTriggerConfig-r19 CondLTMTriggerConfig-r19,}

[0401] CondTriggerConfig-r19::=SEQUENCE{

[0402] condEventId CHOICE{

[0403] condEventA3 SEQUENCE{ / / The fifth sub-IE corresponding to the sixth IE of event A3

[0404] a3-Offset MeasTriggerQuantityOffset,

[0405] Hysteresis Hysteresis,

[0406] timeToTrigger TimeToTrigger

[0407] CLTM-Offset{a3-Offset MeasTriggerQuantityOffset,hysteresisHysteresis,timeToTrigger TimeToTrigger} / / The seventh sub-IE corresponding to the fifth IE

[0408] },

[0409] condLTMEventA5 SEQUENCE{ / / The sixth sub-IE corresponding to the sixth IE of A5 event

[0410] a5-Threshold1 MeasTriggerQuantity,

[0411] a5-Threshold2 MeasTriggerQuantity,

[0412] Hysteresis Hysteresis,

[0413] timeToTrigger TimeToTrigger

[0414] CLTM-Offset{a5-Threshold1 MeasTriggerQuantity,a5-Threshold2MeasTriggerQuantity,

[0415] hysteresis Hysteresis, timeToTrigger TimeToTrigger} / / The eighth sub-IE corresponding to the fifth IE

[0416] },

[0417] ...,

[0418] },

[0419] rsType-r19 CHOICE{ssb,csi-rs},

[0420] }

[0421] MeasTriggerQuantity::=CHOICE{

[0422] rsrp RSRP-Range,

[0423] rsrq RSRQ-Range,

[0424] sinr SINR-Range

[0425] }

[0426] MeasTriggerQuantityOffset::=CHOICE{

[0427] rsrp INTEGER(-30..30),

[0428] rsrq INTEGER(-30..30),

[0429] sinr INTEGER(-30..30)

[0430] }

[0431] The code in case E is partially the same as that in case B. For explanations of the same parts, please refer to the relevant instructions in case B.

[0432] In case E, the ReportConfigNR IE where the sixth IE is located has been associated with the L3 measurement resources of the candidate cell. The sixth IE is the fifth sub-IE and the sixth sub-IE, which are respectively: condition A3 event condEventA3 IE and condition A5 event condEvent A5 IE; wherein, condEventA3 IE corresponds to the A3 event, condEventA5 IE corresponds to the A5 event, and the fifth IE is the seventh sub-IE and the eighth sub-IE, which are the sub-IE corresponding to the A3 event and the sub-IE corresponding to the A5 event, respectively. The sub-IE corresponding to the A3 event is configured in the condEventA3 IE, and the sub-IE corresponding to the A5 event is configured in the condEventA5 IE.

[0433] For each relevant parameter of the second bias condition, the number of parameter values ​​in the relevant parameter may be 1.

[0434] In some embodiments, when sending a switching-related message, the CU may generate a new seventh IE based on the target IE and at least one fifth IE, and add the seventh IE to the switching-related message for sending. Specifically, the target IE may be added to the custom L1-executioncondition-Config IE, and at least one fifth IE may be added to the custom L3-executioncondition-Config IE. The CU adds the L1-executioncondition-Config IE and the L3-executioncondition-Config IE to the custom LTMExcutionConditionConfig IE, and then adds the LTMExcutionConditionConfig IE to the switching-related information for sending.

[0435] The relevant codes for CU to perform the above configuration are as follows:

[0436] LTMExcutionConditionConfig::=SEQUENCE{

[0437] L1-executioncondition-Config; / / IE containing the target IE

[0438] L3-executioncondition-Config;} / / IE containing at least one fifth IE

[0439] L3-executioncondition-Config::=SEQUENCE{ / / Specific content of customized L3-executioncondition-ConfigIE

[0440] MeasIdToAddModList,MeasObjectToAddModList,ReportConfigToAddMofList}

[0441] L1-executioncondition-Config::=SEQUENCE{ / / Specific content of customized L1-executioncondition-ConfigIE.

[0442] CLTM-CSI-ResourceConfig IE,

[0443] CLTM-CSI-ConfigToAddModList-r19 IE}

[0444] For the relevant content of the above code, please refer to the relevant instructions for situations C, D, and E.

[0445] The measurement identifier list MeasIdToAddModList includes all measurement identifiers of the candidate cells, the measurement exclusive list MeasObjectToAddModList indicates the L3 measurement resources of the candidate cells, and the measurement report list ReportConfigToAddMofList indicates the L3 execution conditions of the candidate cells.

[0446] Based on the foregoing embodiments, an embodiment of the present application provides an IE configuration device, which includes the modules included and the units included in the modules, which can be implemented by a processor; of course, it can also be implemented by a specific logic circuit; in the implementation process, the processor can be a central processing unit (CPU), a microprocessor (MPU), a digital signal processor (DSP) or a field programmable gate array (FPGA), etc.

[0447] Figure 3 This is a schematic diagram of the structure of the IE configuration device of the embodiment of the present application, such as Figure 3 As shown, the IE configuration device 30 includes a first receiving module 31, a generating module 32 and a first sending module 33, wherein:

[0448] The first receiving module 31 is used to receive a first information element IE or at least one second IE sent by a centralized unit CU; wherein the first IE carries first information, the first information indicates the first layer 1 measurement resources corresponding to all candidate cells, and the second IE carries second information, the second information indicates the second layer 1 measurement resources corresponding to a candidate cell.

[0449] A generation module 32 is used to generate a third IE; a first sending module 33 is used to send the third IE to the CU; wherein the third IE carries third information; the third information indicates a first layer 1 execution condition set, the first layer 1 execution condition set includes the first layer 1 execution conditions corresponding to each candidate cell, and the first layer 1 execution condition set is for the first layer 1 resource configuration of all candidate cells indicated by the first information.

[0450] The generation module 32 is also used to generate at least one fourth IE if the at least one second IE is received; the first sending module 33 is used to send at least one fourth IE to the CU; wherein all the candidate cells, all the second IEs and all the fourth IEs correspond to each other one by one; for each fourth IE, the fourth IE carries fourth information, and the fourth information indicates a second layer 1 execution condition; the second layer 1 execution condition is a second layer 1 measurement resource configuration for the candidate cell indicated by the target second information; the target second information is the second information carried in the second IE corresponding to the fourth IE.

[0451] The first receiving module 31 is used to receive the switching-related message sent by the CU; the first sending module 33 is used to send the switching-related message to the terminal device UE served by the DU, so that the UE performs cell switching based on the switching-related message; wherein the switching-related message includes the third IE and at least one fifth IE, or the switching-related message includes the at least one fourth IE and the at least one fifth IE; all fifth IEs correspond one-to-one to all candidate cells; the fifth IE carries fifth information, and the fifth information indicates the layer 3 execution condition of the layer 3 measurement resource configuration of the CU for the target candidate cell; wherein the target candidate cell is the candidate cell corresponding to the fifth IE carrying the fifth information.

[0452] In some embodiments, if the first layer 1 execution condition set includes at least one first switching trigger event customized by the DU; the third information is the at least one first switching trigger event; if the first layer 1 execution condition set includes at least one second switching trigger event, the third information is at least one first bias condition; wherein, the at least one second switching trigger event is determined by the DU based on at least one layer 1 measurement reporting event of the mobility management LTM triggered for layer 1 / layer 2 and the first bias conditions corresponding to the at least one layer 1 measurement reporting event.

[0453] In some embodiments, the first information is at least one first layer 1 measurement resource index, the at least one first layer 1 measurement resource index indicates at least one first layer 1 measurement resource, and one candidate cell corresponds to one or more first layer 1 measurement resources; the first handover triggering event includes multiple first condition parameters, wherein each first condition parameter includes at least one first parameter value; for each first condition parameter, at least one first parameter value of the first condition parameter corresponds to the at least one first layer 1 measurement resource one by one; for each first layer 1 measurement resource under each first handover triggering event, all first parameter values ​​corresponding to the first layer 1 measurement resource under the first handover triggering event indicate the first handover Under the switching trigger event, the first sub-trigger event corresponding to the first layer 1 measurement resource; for each candidate cell, the first layer 1 execution condition corresponding to the candidate cell includes: the first sub-trigger conditions corresponding to all the first layer 1 measurement resources of the candidate cell under each first switching trigger event; or, each first condition parameter includes a second parameter value; for each first layer 1 measurement resource under each first switching trigger event, all second parameter values ​​under the first switching trigger event indicate the second sub-trigger event corresponding to each first layer 1 measurement resource; for each candidate cell, the first layer 1 execution condition corresponding to the candidate cell includes: all second sub-trigger events corresponding to each first switching trigger event.

[0454] In some embodiments, the first information is at least one first layer 1 measurement resource index, and the at least one first layer 1 measurement resource index indicates at least one first layer 1 measurement resource; the at least one layer 1 measurement reporting event corresponds one-to-one to the at least one first bias condition; the layer 1 measurement reporting event includes multiple second condition parameters; the first bias condition corresponding to the layer 1 measurement reporting event includes multiple third condition parameters; wherein each second condition parameter includes at least one third parameter value; each third condition parameter includes at least one fourth parameter value; multiple second condition parameters and multiple third condition parameters correspond one-to-one; for each second condition parameter and the corresponding third condition parameter, at least one third parameter value of the second condition parameter, at least one fourth parameter value of the third condition parameter and at least one first layer 1 measurement resource correspond one-to-one; for each first layer 1 measurement resource under the second switching trigger event corresponding to each layer 1 measurement reporting event, the first layer 1 measurement resource is All the third parameter values ​​and all the fourth parameter values ​​corresponding to the second switching trigger event indicate the third sub-trigger event of the first layer 1 measurement resource under the second switching trigger event; for each candidate cell, the second layer 1 execution condition corresponding to the candidate cell includes: the third sub-trigger condition corresponding to all the first layer 1 measurement resources of the candidate cell under each second switching trigger event; or, each third condition parameter includes a fifth parameter value; for each first layer 1 measurement resource under the second switching trigger event corresponding to each layer 1 measurement reporting event, all the fifth parameter values ​​under the second switching trigger event and all the third parameter values ​​corresponding to the first layer 1 measurement resource indicate the fourth sub-trigger event of the first layer 1 measurement resource under the second switching trigger event; for each candidate cell, the first layer 1 execution condition corresponding to the candidate cell includes: the fourth sub-trigger event corresponding to all the first layer 1 measurement resources of the candidate cell under each second switching trigger event.

[0455] In some embodiments, the third IE is configured in the channel state information report configuration LTM-CSI-ReportConfig IE for layer 1 / layer 2 triggered mobility management; wherein the LTM-CSI-ReportConfig IE includes an eighth IE; the eighth IE carries the at least one layer 1 measurement reporting event; when the first layer 1 execution condition includes at least one first switching trigger event customized by the DU, the eighth IE does not include the third IE, and when the first layer 1 execution condition includes at least one second switching trigger event, the eighth IE includes the third IE.

[0456] In some embodiments, the second layer 1 execution condition includes at least one third switching trigger event customized by the DU; the fourth information carried by the fourth IE includes the at least one third switching trigger event; and the fourth IE is configured in the channel state information measurement configuration CSI-MeasConfig IE.

[0457] Figure 4 This is a schematic diagram of the structure of the IE configuration device of the embodiment of the present application, such as Figure 4 As shown, the IE configuration device 40 includes a second sending module 41 and a second receiving module 42, wherein:

[0458] The second sending module 41 is used to send a first information element IE or at least one second IE to a distribution unit DU; wherein the first IE carries first information, the first information indicates the first layer 1 measurement resources corresponding to all candidate cells, the second IE carries second information, the second information indicates the second layer 1 measurement resources corresponding to one candidate cell; the first IE is used by the DU to generate a third IE, and the at least one second IE is used by the DU to generate at least one fourth IE; wherein the third IE carries third information; the third information indicates a first layer 1 execution condition set, the first layer 1 execution condition set includes the first layer 1 execution condition corresponding to each candidate cell, and the first layer 1 execution condition set is configured for the first layer 1 resources of all candidate cells indicated by the first information; the all candidate cells, all the second IEs and all the fourth IEs correspond to each other one by one; for each fourth IE, the fourth IE carries fourth information, the fourth information indicates a second layer 1 execution condition; the second layer 1 execution condition is configured for the second layer 1 measurement resources of the candidate cell indicated by the target second information; the target second information is the second information carried in the second IE corresponding to the fourth IE.

[0459] The second receiving module 42 is configured to receive the third IE or the at least one fourth IE sent by the DU.

[0460] The second sending module 41 is used to send a switching-related message to the UE served by the DU through the DU, so that the UE performs cell switching based on the switching-related message; wherein the switching-related message includes the third IE and at least one fifth IE, or the switching-related message includes the at least one fourth IE and the at least one fifth IE; all fifth IEs correspond one-to-one to all candidate cells; the fifth IE carries fifth information, and the fifth information indicates the layer 3 execution condition of the layer 3 measurement resource configuration of the CU for the target candidate cell; wherein the target candidate cell is the candidate cell corresponding to the fifth IE carrying the fifth information.

[0461] In some embodiments, for each candidate cell and the fifth IE corresponding to the candidate cell, if the layer 3 execution condition of the candidate cell is at least one fourth switching trigger event customized by the CU, the fifth information carried by the fifth IE is the at least one fourth switching trigger event; if the layer 3 execution condition of the candidate cell includes at least one fifth switching trigger event, the fifth information includes at least one second bias condition; wherein, the at least one fifth switching trigger event is determined by the CU based on at least one layer 3 measurement reporting event of the candidate cell and the second bias condition corresponding to the at least one layer 3 measurement reporting event.

[0462] In some embodiments, for each fifth IE, the candidate cell corresponding to the fifth IE and the fifth information corresponding to the fifth IE, if the fifth information includes at least one fourth switching trigger event; the fifth IE is configured outside the sixth IE; wherein the sixth IE is an IE carrying at least one layer 3 measurement reporting event of the candidate cell; if the fifth information is the second bias condition; the fifth IE is configured within the sixth IE.

[0463] In some embodiments, for each fifth IE and the sixth IE corresponding to the fifth IE, when the fifth IE is configured outside the sixth IE, the CU sends first association information to the UE through the DU when sending the fifth IE; wherein the first association information is the association information between the fifth IE and the layer 3 measurement resources of the candidate cell corresponding to the fifth IE, so that the UE determines the layer 3 measurement resources required for the layer 3 execution conditions in the fifth IE based on the first association information; when the fifth IE is configured within the sixth IE, when sending the fifth IE, the CU sends second association information to the UE through the DU, wherein the second association information is the association information between the sixth IE and the layer 3 measurement resources of the candidate cell of the sixth IE, so that the UE determines the layer 3 measurement resources required for the layer 3 execution conditions in the fifth IE based on the second association information.

[0464] The description of the above device embodiment is similar to the description of the above method embodiment, and has similar beneficial effects as the method embodiment. For technical details not disclosed in the device embodiment of the present application, please refer to the description of the method embodiment of the present application for understanding.

[0465] It should be noted that in the embodiments of this application Figure 3 and Figure 4The division of modules in the IE configuration device shown is schematic and is only a logical function division. There may be other division methods in actual implementation. In addition, each functional unit in each embodiment of the present application may be integrated into a processing unit, or may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units. It may also be implemented in the form of a combination of software and hardware.

[0466] It should be noted that in the embodiment of the present application, if the above-mentioned IE configuration method is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the embodiment of the present application can be essentially or partly reflected in the form of a software product, which is stored in a storage medium and includes several instructions for enabling an electronic device to execute all or part of the methods described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program codes, such as a U disk, a mobile hard disk, a read-only memory (ROM), a magnetic disk or an optical disk. In this way, the embodiment of the present application is not limited to any specific combination of hardware and software.

[0467] An embodiment of the present application provides a network device, which may be a CU or DU in the present application. Figure 5 A schematic diagram of the hardware entity of the network device of the embodiment of the present application is shown as follows: Figure 5 As shown, the network device 50 includes a memory 51 and a processor 52. The memory 51 stores a computer program that can be run on the processor 52. When the processor 52 executes the program, the steps in the method provided in the above embodiment are implemented.

[0468] It should be noted that the memory 51 is configured to store instructions and applications executable by the processor 52, and can also cache data to be processed or processed by the processor 52 and various modules in the network device 50 (for example, image data, audio data, voice communication data, and video communication data), which can be implemented through flash memory (FLASH) or random access memory (Random Access Memory, RAM).

[0469] An embodiment of the present application provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the steps in the IE configuration method provided in the above embodiment are implemented.

[0470] An embodiment of the present application provides a computer program product including instructions, which, when executed on a computer, enables the computer to execute the steps of the IE configuration method provided in the above method embodiment.

[0471] The present application provides a computer-readable storage medium on which a computer-executable program or instruction is stored. The computer-executable program or instruction is implemented by a processor so that a network device implements an IE configuration method when executed.

[0472] The present application provides a chip, including: an interface circuit and a logic circuit, the interface circuit is used to receive signals from other chips outside the chip and transmit them to the logic circuit, or send signals from the logic circuit to other chips outside the chip, and the logic circuit is used to implement an IE configuration method.

[0473] The present application provides a computer program product comprising instructions, which, when executed on a computer, enables the computer to execute the steps in the IE configuration method.

[0474] It should be noted here that the description of the above storage medium and device embodiments is similar to the description of the above method embodiments, and has similar beneficial effects as the method embodiments. For technical details not disclosed in the storage medium, storage medium and device embodiments of this application, please refer to the description of the method embodiments of this application for understanding.

[0475] The above is only an implementation method of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A method for configuring information elements for cell switching, characterized in that: The method comprises: The distribution unit DU receives a first information element IE or at least one second IE sent by the centralized unit CU; wherein the first IE carries first information, the first information indicates first layer 1 measurement resources corresponding to all candidate cells, and the second IE carries second information, the second information indicates a second layer 1 measurement resource corresponding to one candidate cell; If the DU receives the first IE, the DU generates a third IE and sends the third IE to the CU; wherein the third IE carries third information; the third information indicates a first layer 1 execution condition set, the first layer 1 execution condition set includes a first layer 1 execution condition corresponding to each candidate cell, and the first layer 1 execution condition set is a first layer 1 resource configuration for all candidate cells indicated by the first information; If the DU receives the at least one second IE, the DU generates at least one fourth IE and sends the at least one fourth IE to the CU; wherein all the candidate cells, all the second IEs and all the fourth IEs correspond to each other one by one; for each fourth IE, the fourth IE carries fourth information, and the fourth information indicates a second layer 1 execution condition; the second layer 1 execution condition is a second layer 1 measurement resource configuration for the candidate cell indicated by the target second information; the target second information is the second information carried in the second IE corresponding to the fourth IE; The DU receives a switching-related message sent by the CU, and sends the switching-related message to a terminal device UE served by the DU, so that the UE performs a cell switching based on the switching-related message; wherein the switching-related message includes the third IE and at least one fifth IE, or the switching-related message includes the at least one fourth IE and the at least one fifth IE; all fifth IEs correspond one-to-one to all candidate cells; the fifth IE carries fifth information, and the fifth information indicates the layer 3 execution condition of the layer 3 measurement resource configuration of the CU for the target candidate cell; wherein the target candidate cell is the candidate cell corresponding to the fifth IE carrying the fifth information.

2. The method according to claim 1, characterized in that: If the first layer 1 execution condition set includes at least one first handover triggering event customized by the DU; the third information is the at least one first handover triggering event; If the first layer 1 execution condition set includes at least one second switching trigger event, the third information is at least one first bias condition; wherein, the at least one second switching trigger event is determined by the DU based on at least one layer 1 measurement reporting event of the mobility management LTM triggered for layer 1 / layer 2 and the first bias conditions corresponding to the at least one layer 1 measurement reporting event.

3. The method according to claim 2, characterized in that The first information is at least one first layer 1 measurement resource index, the at least one first layer 1 measurement resource index indicates at least one first layer 1 measurement resource, and one candidate cell corresponds to one or more first layer 1 measurement resources; The first switching triggering event includes a plurality of first condition parameters, wherein: Each first condition parameter includes at least one first parameter value; For each first condition parameter, at least one first parameter value of the first condition parameter corresponds one-to-one to the at least one first layer 1 measurement resource; For each first layer 1 measurement resource under each first handover triggering event, all first parameter values ​​corresponding to the first layer 1 measurement resource under the first handover triggering event indicate a first sub-triggering event corresponding to the first layer 1 measurement resource under the first handover triggering event; For each candidate cell, the first layer 1 execution condition corresponding to the candidate cell includes: first sub-trigger conditions respectively corresponding to all first layer 1 measurement resources of the candidate cell under each first handover trigger event; or, Each first condition parameter includes a second parameter value; For each first layer 1 measurement resource under each first handover triggering event, all second parameter values ​​under the first handover triggering event indicate a second sub-triggering event corresponding to the first layer 1 measurement resource; For each candidate cell, the first layer 1 execution condition corresponding to the candidate cell includes: all second sub-trigger events corresponding to each first switching trigger event.

4. The method according to claim 2, characterized in that: The first information is at least one first layer 1 measurement resource index, and the at least one first layer 1 measurement resource index indicates at least one first layer 1 measurement resource; one candidate cell corresponds to one or more first layer 1 measurement resources; The at least one layer 1 measurement reporting event corresponds one-to-one to the at least one first bias condition; The layer 1 measurement reporting event includes a plurality of second condition parameters; the first bias condition corresponding to the layer 1 measurement reporting event includes a plurality of third condition parameters; wherein, Each second condition parameter includes at least one third parameter value; each third condition parameter includes at least one fourth parameter value; The plurality of second condition parameters correspond one-to-one to the plurality of third condition parameters; for each second condition parameter and the corresponding third condition parameter, at least one third parameter value of the second condition parameter, at least one fourth parameter value of the third condition parameter and the at least one first layer 1 measurement resource correspond one-to-one; for each first layer 1 measurement resource under the second handover triggering event corresponding to each layer 1 measurement reporting event, all third parameter values ​​and all fourth parameter values ​​corresponding to the first layer 1 measurement resource under the second handover triggering event indicate a third sub-triggering event of the first layer 1 measurement resource under the second handover triggering event; For each candidate cell, the second layer 1 execution condition corresponding to the candidate cell includes: under each second handover triggering event, the third sub-triggering conditions respectively corresponding to all the first layer 1 measurement resources of the candidate cell; or, Each third condition parameter includes a fifth parameter value; For each first layer 1 measurement resource under the second handover triggering event corresponding to each layer 1 measurement reporting event, all fifth parameter values ​​under the second handover triggering event and all third parameter values ​​corresponding to the first layer 1 measurement resource indicate a fourth sub-triggering event of the first layer 1 measurement resource under the second handover triggering event; For each candidate cell, the first layer 1 execution condition corresponding to the candidate cell includes: fourth sub-trigger events corresponding to all first layer 1 measurement resources of the candidate cell under each second handover trigger event.

5. The method according to any one of claims 2 to 4, characterized in that: The third IE is configured in the channel state information report configuration LTM-CSI-ReportConfig IE for layer 1 / layer 2 triggered mobility management; wherein the LTM-CSI-ReportConfig IE includes an eighth IE; the eighth IE is an IE carrying the at least one layer 1 measurement reporting event; When the first layer 1 execution condition set includes at least one first switching trigger event customized by the DU, the eighth IE does not include the third IE; when the first layer 1 execution condition set includes at least one second switching trigger event, the eighth IE includes the third IE.

6. The method according to claim 1, characterized in that The second layer 1 execution condition includes at least one third switching trigger event customized by the DU; the fourth information carried by the fourth IE includes the at least one third switching trigger event; the fourth IE is configured in the channel state information measurement configuration CSI-MeasConfig IE.

7. A method for configuring information elements for cell switching, characterized in that: The method further comprises: The centralized unit CU sends a first information element IE or at least one second IE to the distributed unit DU; wherein the first IE carries first information, the first information indicates the first layer 1 measurement resources corresponding to all candidate cells, the second IE carries second information, and the second information indicates the second layer 1 measurement resources corresponding to one candidate cell; the first IE is used by the DU to generate a third IE, and the at least one second IE is used by the DU to generate at least one fourth IE; wherein the third IE carries third information; the third information indicates a first layer 1 execution condition set, the first layer 1 execution condition set includes the first layer 1 execution condition corresponding to each candidate cell, and the first layer 1 execution condition set is configured for the first layer 1 resources of all candidate cells indicated by the first information; the all candidate cells, all the second IEs and all the fourth IEs correspond one to one; for each fourth IE, the fourth IE carries fourth information, the fourth information indicates a second layer 1 execution condition; the second layer 1 execution condition is configured for the second layer 1 measurement resource of the candidate cell indicated by the target second information; the target second information is the second information carried in the second IE corresponding to the fourth IE; The CU receives the third IE or the at least one fourth IE sent by the DU; The CU sends a switching-related message to the terminal device UE served by the DU through the DU, so that the UE performs cell switching based on the switching-related message; wherein the switching-related message includes the third IE and at least one fifth IE, or the switching-related message includes the at least one fourth IE and the at least one fifth IE; all fifth IEs correspond one-to-one to all candidate cells; the fifth IE carries fifth information, and the fifth information indicates the layer 3 execution condition of the layer 3 measurement resource configuration of the target candidate cell by the CU; wherein the target candidate cell is the candidate cell corresponding to the fifth IE carrying the fifth information.

8. The method according to claim 7, characterized in that For each candidate cell and the fifth IE corresponding to the candidate cell, if the layer 3 execution condition of the candidate cell is at least one fourth switching triggering event customized by the CU, the fifth information carried by the fifth IE is the at least one fourth switching triggering event; If the layer 3 execution conditions of the candidate cell include at least one fifth switching trigger event, the fifth information includes at least one second bias condition; wherein, the at least one fifth switching trigger event is determined by the CU based on at least one layer 3 measurement reporting event of the candidate cell and the second bias condition corresponding to the at least one layer 3 measurement reporting event.

9. The method according to claim 8, characterized in that For each fifth IE, the candidate cell corresponding to the fifth IE, and the fifth information corresponding to the fifth IE, if the fifth information includes at least one fourth switching triggering event; the fifth IE is configured outside the sixth IE; wherein the sixth IE is an IE carrying at least one layer 3 measurement reporting event of the candidate cell; If the fifth information is the second bias condition; the fifth IE is configured within the sixth IE.

10. The method according to claim 9, characterized in that For each fifth IE and a sixth IE corresponding to the fifth IE, when the fifth IE is configured outside the sixth IE, the CU sends the first association information to the UE through the DU when sending the fifth IE; wherein the first association information is association information between the fifth IE and the layer 3 measurement resources of the candidate cell corresponding to the fifth IE, so that the UE determines the layer 3 measurement resources required to use the layer 3 execution condition in the fifth IE based on the first association information; When the fifth IE is configured within the sixth IE, the CU sends the second association information to the UE through the DU when sending the fifth IE; wherein the second association information is the association information between the sixth IE and the layer 3 measurement resources of the candidate cell of the sixth IE, so that the UE determines the layer 3 measurement resources required to use the layer 3 execution conditions in the fifth IE based on the second association information.

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