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WO2025166594A1 - 信息发送、接收方法和装置、通信系统和存储介质 - Google Patents

信息发送、接收方法和装置、通信系统和存储介质

Info

Publication number
WO2025166594A1
WO2025166594A1 PCT/CN2024/076477 CN2024076477W WO2025166594A1 WO 2025166594 A1 WO2025166594 A1 WO 2025166594A1 CN 2024076477 W CN2024076477 W CN 2024076477W WO 2025166594 A1 WO2025166594 A1 WO 2025166594A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
node
terminal
cell
ltm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/076477
Other languages
English (en)
French (fr)
Inventor
刘晓菲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to PCT/CN2024/076477 priority Critical patent/WO2025166594A1/zh
Priority to CN202480000412.7A priority patent/CN118176773B/zh
Publication of WO2025166594A1 publication Critical patent/WO2025166594A1/zh
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point

Definitions

  • a terminal When a terminal communicates within a cell of a wireless network, it can perform handover (HO) between cells if certain conditions are met, which helps ensure good communication quality of the terminal within the cell.
  • HO handover
  • the embodiments of the present disclosure provide information sending and receiving methods and devices, a communication system, and a storage medium to solve the problem of resource waste caused by unnecessary switching in related technologies.
  • an information sending device which includes: a processing module configured to switch from a first node to a second node; a sending module configured to send first information to the second node according to first configuration information, wherein the first information is used by the second node to determine whether an unnecessary switching has occurred to the terminal.
  • an information receiving device comprising: a receiving module configured to receive first information sent according to first measurement configuration information after the terminal switches from a first node to a second node, wherein the first information is used by the second node to determine whether an unnecessary switching has occurred to the terminal.
  • a terminal comprising: one or more processors; wherein the terminal is used to execute the information sending method described in the first aspect.
  • a node comprising: one or more processors; wherein the node is used to execute the information receiving method described in the second aspect.
  • a storage medium which stores instructions.
  • the communication device executes the information sending method described in the first aspect and/or the information receiving method described in the second aspect.
  • a program product is provided, wherein the program product is executed by a communication device.
  • the above-mentioned communication device executes the information sending method described in the first aspect and/or the information receiving method described in the second aspect.
  • FIG3 is a schematic flowchart showing a method for sending information according to an embodiment of the present disclosure.
  • FIG4 is a schematic flow chart showing a method for receiving information according to an embodiment of the present disclosure.
  • FIG5 is a schematic block diagram of an information sending device according to an embodiment of the present disclosure.
  • FIG6 is a schematic block diagram of an information receiving device according to an embodiment of the present disclosure.
  • the first configuration information is pre-stored by the terminal; or the first configuration information is sent to the terminal by the first node; or the first configuration information is sent to the terminal by the second node.
  • the first configuration information is sent by the first node to the second node, and then sent by the second node to the terminal.
  • the first configuration information includes at least one of the following: first measurement configuration information; first range information; first time information; and first threshold information.
  • the relationship between the first information and the second threshold information satisfies a predefined relationship, and the first information is used by the second node to determine that unnecessary handover has occurred to the terminal.
  • the terminal switches to the first cell within a first duration threshold, and the first information is not used by the second node to determine that unnecessary switching of the terminal occurs.
  • the method further includes: sending capability information to the second node, wherein the capability information is used to indicate whether the terminal supports sending the first information to the second node according to the first configuration information.
  • an embodiment of the present disclosure proposes an information receiving method, which is executed by a second node.
  • the method includes: receiving first information sent according to first measurement configuration information after the terminal switches from the first node to the second node, wherein the first information is used by the second node to determine whether an unnecessary switch has occurred to the terminal.
  • the first configuration information is pre-stored by the terminal; or, the first configuration information is sent to the terminal by the first node; or, the first configuration information is sent to the terminal by the second node.
  • the first configuration information is sent by the first node to the second node, and then sent by the second node to the terminal.
  • the first configuration information includes at least one of the following: first measurement configuration information; first range information; first time information; and first threshold information.
  • the relationship between the first information and the second threshold information satisfies a predefined relationship, and the first information is used by the second node to determine that unnecessary handover has occurred to the terminal.
  • the terminal switches to the first cell within a first duration threshold, and the first information is not used by the second node to determine that unnecessary switching of the terminal occurs.
  • the terminal switches to a first cell
  • the first cell is an LTM candidate cell in an LTM configuration
  • the first information is used by the second node to determine that an unnecessary handover occurs to the terminal.
  • the method further includes: in response to the first information being used by the second node to determine that an unnecessary handover has occurred to the terminal, sending a report to the first node, wherein the report is used to indicate that an unnecessary handover has occurred to the terminal.
  • the report includes at least one of the following: a target cell identifier for non-essential handover; a source cell identifier for non-essential handover; handover indication information indicating that the terminal will handover to the first cell within a first time period; a handover type for non-essential handover; a non-essential handover problem indication: an identifier of at least one cell, wherein the relationship between the first information corresponding to the at least one cell and the second threshold information satisfies a predefined relationship.
  • an embodiment of the present disclosure proposes an information sending device, which includes: a processing module, configured to switch from a first node to a second node; a sending module, configured to send first information to the second node according to first configuration information, wherein the first information is used by the second node to determine whether an unnecessary switch has occurred to the terminal.
  • an embodiment of the present disclosure proposes a terminal, comprising: one or more processors; wherein the terminal is used to execute the information sending method described in any one of the first aspect and the optional embodiments of the first aspect.
  • an embodiment of the present disclosure proposes a node, comprising: one or more processors; wherein the node is used to execute the information receiving method described in any one of the second aspect and the optional embodiments of the second aspect.
  • an embodiment of the present disclosure proposes a communication system, including a terminal and a second node, wherein the terminal is configured to implement the information sending method described in any one of the first aspect and the optional embodiments of the first aspect, and the second node is configured to implement the information receiving method described in any one of the second aspect and the optional embodiments of the second aspect.
  • an embodiment of the present disclosure proposes a storage medium, which stores instructions.
  • the communication device executes the information sending method described in any one of the first aspect and the optional embodiments of the first aspect, and/or the information receiving method described in any one of the second aspect and the optional embodiments of the second aspect.
  • an embodiment of the present disclosure proposes a program product.
  • the communication device executes the information sending method described in any one of the first aspect and the optional embodiments of the first aspect, and/or the information receiving method described in any one of the second aspect and the optional embodiments of the second aspect.
  • an embodiment of the present disclosure proposes a computer program, which, when running on a computer, enables the computer to execute the information sending method described in any one of the first aspect and the optional embodiments of the first aspect, and/or the information receiving method described in any one of the second aspect and the optional embodiments of the second aspect.
  • the present disclosure provides information sending and receiving methods and devices, a communication system, and a storage medium.
  • the terms “information sending and receiving methods” and “information processing methods” and “communication methods” are interchangeable; the terms “information sending and receiving devices” and “information processing devices” and “communication devices” are interchangeable; and the terms “information processing systems” and “communication systems” are interchangeable.
  • each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined.
  • a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged.
  • the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined. For example, some or all steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
  • plurality refers to two or more.
  • the terms "at least one of”, “one or more”, “a plurality of”, “multiple”, etc. can be used interchangeably.
  • descriptions such as “at least one of A and B,” “A and/or B,” “A in one case, B in another case,” or “in response to one case A, in response to another case B” may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); and in some embodiments, A and B (both A and B are executed). The above is also applicable when there are more branches such as A, B, and C.
  • a or B and other descriptions may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The above is also applicable when there are more branches such as A, B, C, etc.
  • prefixes such as “first” and “second” in the embodiments of the present disclosure are only used to distinguish different description objects and do not constitute any restrictions on the position, order, priority, quantity or content of the description objects.
  • description objects please refer to the description in the context of the claims or embodiments, and no unnecessary restrictions should be constituted due to the use of prefixes.
  • the description object is "field,” the ordinal number preceding “field” in “first field” and “second field” does not restrict the position or order of the "fields.” "First” and “second” do not restrict whether the modified "fields” are in the same message, nor do they restrict the order of the "first field” and “second field.”
  • the description object is "level,” the ordinal number preceding "level” in “first level” and “second level” does not restrict the priority of the "levels.”
  • the number of description objects is not restricted by the ordinal number and can be one or more. For example, in the case of "first device,” the number of "devices" can be one or more.
  • the objects modified by different prefixes can be the same or different.
  • the description object is "device,” “first device” and “second device” can be the same or different devices, and their types can be the same or different.
  • the description object is "information,” “first information” and “second information” can be the same or different information, and their content can be the same or different.
  • “including A,” “comprising A,” “used to indicate A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
  • terms such as “in response to", “in response to determining", “in the case of", “at the time of", “when!, “if", “if", etc. can be used interchangeably.
  • the terms “greater than”, “greater than or equal to”, “not less than”, “more than”, “more than or equal to”, “not less than”, “higher than”, “higher than or equal to”, “not less than”, “above” and the like can be used interchangeably with “less than”, “less than or equal to”, “not greater than”, “less than”, “less than or equal to”.
  • the terms “not more than”, “less than”, “less than or equal to”, “not higher than”, “below” and the like are interchangeable.
  • devices, etc. can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments.
  • Terms such as “device”, “equipment”, “device”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, and “subject” can be used interchangeably.
  • network can be interpreted as devices included in the network (eg, access network equipment, core network equipment, etc.).
  • the terms “access network device (AN device)”, “radio access network device (RAN device)”, “base station (BS)”, “radio base station”, “fixed station”, “node”, “access point”, “transmission point (TP)”, “reception point (RP)”, “transmission/reception point (TRP)”, “panel”, “antenna panel”, “antenna array”, “cell”, “macro cell”, “small cell”, “femto cell”, “pico cell”, “sector”, “cell group”, “serving cell”, “carrier”, “component carrier”, “bandwidth part (BWP)” and the like may be used interchangeably.
  • terminal In some embodiments, the terms "terminal”, “terminal device”, “user equipment (UE)”, “user terminal” “mobile station (MS)”, “mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, etc. can be used interchangeably.
  • the access network device, the core network device, or the network device can be replaced by a terminal.
  • the various embodiments of the present disclosure can also be applied to a structure in which the communication between the access network device, the core network device, or the network device and the terminal is replaced by communication between multiple terminals (for example, device-to-device (D2D), vehicle-to-everything (V2X), etc.).
  • D2D device-to-device
  • V2X vehicle-to-everything
  • terms such as "uplink” and “downlink” can also be replaced by terms corresponding to communication between terminals (for example, "side”).
  • uplink channels, downlink channels, etc. can be replaced by side channels
  • uplinks, downlinks, etc. can be replaced by side links.
  • the terminal may be replaced by an access network device, a core network device, or a network device.
  • the access network device, the core network device, or the network device may have a structure that has all or part of the functions of the terminal.
  • obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.
  • data, information, etc. may be obtained with the user's consent.
  • each element, each row, or each column in the table of the embodiment of the present disclosure can be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns can also be implemented as an independent embodiment.
  • FIG1 is a schematic diagram showing the architecture of a communication system according to an embodiment of the present disclosure.
  • the communication system 100 includes a terminal 101, a second node 102 and a third node 103, wherein the first node and the second node may include, for example, network equipment, cells, relay equipment, satellites in non-terrestrial networks, etc., and the network equipment includes at least one of the following: access network equipment, core network equipment (core network device).
  • the first node and the second node may include, for example, network equipment, cells, relay equipment, satellites in non-terrestrial networks, etc.
  • the network equipment includes at least one of the following: access network equipment, core network equipment (core network device).
  • the terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and at least one of a wireless terminal device in a smart home, but is not limited thereto.
  • a mobile phone a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery
  • the access network device is, for example, a node or device that accesses a terminal to a wireless network.
  • the access network device may include an evolved Node B (eNB), a next generation evolved Node B (ng-eNB), a next generation Node B (gNB), a node B (NB), a home node B (HNB), a home evolved node B (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a Wi-Fi system, but is not limited thereto.
  • eNB evolved Node B
  • ng-eNB next generation evolved Node B
  • gNB next generation Node B
  • NB node
  • a core network device may be a single device including one or more network elements, or may be multiple devices or device groups, each including all or part of the one or more network elements.
  • a network element may be virtual or physical.
  • the core network may include, for example, at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), or a Next Generation Core (NGC).
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • the technical solution of the present disclosure may be applicable to the Open RAN architecture.
  • the interfaces between or within the access network devices involved in the embodiments of the present disclosure may become internal interfaces of Open RAN, and the processes and information interactions between these internal interfaces may be implemented through software or programs.
  • the access network device may be composed of a centralized unit (CU) and a distributed unit (DU), where the CU may also be called a control unit.
  • the CU-DU structure may be used to split the protocol layers of the access network device, with some functions of the protocol layers centrally controlled by the CU, and the remaining functions of some or all of the protocol layers distributed in the DU, which is centrally controlled by the CU, but is not limited to this.
  • the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure.
  • Ordinary technicians in this field can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.
  • the following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or a portion thereof, but are not limited thereto.
  • the entities shown in FIG1 are illustrative only.
  • the communication system may include all or part of the entities shown in FIG1 , or may include other entities outside of FIG1 .
  • the number and form of the entities are arbitrary, and the entities may be physical or virtual.
  • the connection relationships between the entities are illustrative only.
  • the entities may be connected or disconnected, and the connection may be in any manner, including direct or indirect, wired or wireless.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-A LTE-Beyond
  • LTE-B SUPER 3G
  • IMT-Advanced 4th generation mobile communication system
  • 4G 5th generation mobile communication system
  • 5G 5th generation mobile communication system
  • 5G new radio NR
  • Future Radio Access FX
  • RAT New Radio
  • NR New Radio
  • NX New radio access
  • FX Future generation radio access
  • GSM registered trademark
  • CDMA2000 Code Division Multiple Access
  • UMB Ultra Mobile Broadband
  • IEEE 802.11 Wi-Fi (registered trademark)
  • IEEE 802.16 WiMAX (registered trademark)
  • IEEE 802.20 Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Communications (PLMC)
  • PLMN cellular wireless network
  • D2D device-to-device
  • M2M machine-to-machine
  • Internet Internet
  • a terminal when a terminal communicates within a cell of a wireless network, it may perform a handover operation between cells, thereby switching from a source cell to a target cell.
  • the source cell and the target cell are cells of different nodes, handover of the terminal from the source cell to the target cell also constitutes an inter-node handover.
  • the operation of a terminal switching a cell may be instructed by a network device.
  • the network device may compare a measurement result obtained by the terminal on a cell with a switching threshold and determine whether to instruct the terminal to switch cells based on the comparison result. For example, if it is determined that the terminal needs to be instructed to switch cells, the terminal may be instructed to switch to a target cell or a target node through signaling, where the signaling may include, for example, Radio Resource Control (RRC) signaling or other signaling. Then, based on the signaling sent by the network device, the terminal may perform a switching operation, such as switching to the target cell or target node indicated by the signaling.
  • RRC Radio Resource Control
  • the terminal may switch from the source cell to the target cell and then switch back to the source cell. In this case, the handover operation performed by the terminal is unnecessary, which will waste network resources.
  • FIG2A is an interactive schematic diagram illustrating a method for sending information according to an embodiment of the present disclosure.
  • the information sending method may include the following steps:
  • the first node may refer to a network device (eg, a base station) or a cell.
  • the second node may refer to a network device (eg, a base station) or a cell.
  • the terminal may send the first information to the second node according to the first configuration information.
  • the first configuration information may indicate resources for sending the first information.
  • the terminal sending the first information to the second node according to the first configuration information may mean that the terminal sends the first information to the second node on the resources indicated by the first configuration information.
  • the first configuration information may include measurement configuration information of a cell measured by the terminal, such as indicating the cell to be measured, resources where the measurement operation is performed, etc.
  • the terminal sending the first information to the second node according to the first configuration information may mean that the terminal measures the cell according to the first configuration information and sends a measurement result obtained by the measurement, that is, the first information, to the second node.
  • the first information is used by the second node to determine whether an unnecessary handover of the terminal occurs.
  • the second node can determine whether the operation of the terminal switching from the first node to the second node is an unnecessary handover based on the first information. How the first information is used by the second node to determine whether an unnecessary handover has occurred to the terminal is not expanded here and will be described in subsequent embodiments.
  • the terminal sends the first information to the second node based on the first configuration information.
  • the second node can determine whether the terminal has undergone unnecessary switching based on the first information, so that the second node or other network devices can make appropriate adjustments when the terminal has undergone unnecessary switching, which is conducive to avoiding unnecessary switching from occurring again in the future and causing waste of resources.
  • the first configuration information includes at least one of the following:
  • the first measurement configuration may indicate resources (eg, time domain resources, frequency domain resources) on which the terminal performs the measurement operation, and the terminal may perform the measurement operation on the resources indicated by the first measurement configuration.
  • resources eg, time domain resources, frequency domain resources
  • the first configuration information is related to the LTM.
  • the first range information may indicate a range within which the terminal performs a measurement operation, such as indicating cells that the terminal needs to measure, where the cells that the terminal needs to measure may include one or more LTM (Layer 1 or Layer 2 Triggered Mobility, L1/L2-Triggered Mobility) candidate cells.
  • the first range information includes LTM-related coverage information, where the LTM-related coverage information includes one or more LTM candidate cells.
  • the first time information may indicate a time range (e.g., represented by a period) within which the terminal performs a measurement operation.
  • the terminal may evaluate the first information obtained within the time range and send the first information that meets the evaluation condition to the second node.
  • the first time information includes an LTM-related measurement period, which is used to evaluate the cell signal quality within a certain period of time.
  • the first threshold information may include at least one of the following: a recording threshold and an evaluation threshold. After obtaining the first information, the terminal may compare the first information with the recording threshold. If the first information satisfies a predefined relationship with the recording threshold (for example, the first information is greater than the evaluation threshold, or the first information is less than the evaluation threshold, or the first information is equal to the evaluation threshold), the terminal may record the first information.
  • a predefined relationship with the recording threshold for example, the first information is greater than the evaluation threshold, or the first information is less than the evaluation threshold, or the first information is equal to the evaluation threshold
  • the terminal can compare the first information with the evaluation threshold. If the first information satisfies a predefined relationship with the evaluation threshold (for example, the first information is greater than the evaluation threshold, or the first information is less than the evaluation threshold, or the first information is equal to the evaluation threshold), the terminal determines that the first information satisfies the evaluation threshold, and then sends the first information to the second node.
  • a predefined relationship with the evaluation threshold for example, the first information is greater than the evaluation threshold, or the first information is less than the evaluation threshold, or the first information is equal to the evaluation threshold
  • the first threshold information may include at least one of the following: RSRP (Reference Signal Receiving Power) threshold, RSRQ (Reference Signal Receiving Quality) threshold, SINR (Signal to Interference plus Noise Ratio) threshold.
  • RSRP Reference Signal Receiving Power
  • RSRQ Reference Signal Receiving Quality
  • SINR Signal to Interference plus Noise Ratio
  • the first configuration information can also be used by the second node to perform evaluation operations.
  • the second node can determine whether an unnecessary switching has occurred in the terminal based on the first range information, first time information, first threshold information and other information in the first configuration information. This will be explained in detail in subsequent embodiments.
  • the first configuration information is pre-stored by the terminal; for example, the first configuration information is sent by the first node to the terminal; for example, the first configuration information is sent by the second node to the terminal; for example, the first configuration information is sent by the first node to the second node and then sent by the second node to the terminal.
  • the information is not limited to being sent from the first node to the second node, but may also be sent from other devices to the second node. For details, please refer to the embodiments below.
  • the terminal may, while in a cell of the first node (e.g., cell #0), perform a measurement operation according to the first configuration information, such as measuring the signal strengths of cells #1 to #n (n cells in total), and send the measurement results to the first node.
  • the first node may instruct the terminal to perform a handover operation based on the measurement results. For example, the first node determines, based on a handover threshold, that the terminal needs to switch to cell #1 of the n cells, and cell #1 is a cell of the second node, thereby instructing the terminal to switch to the second node (e.g., switch to cell #1 of the second node).
  • the terminal since the terminal may switch from the first node to the second node unnecessarily, after switching to the second node, the terminal can still perform measurement operations on the above-mentioned n cells according to the first configuration information, and send the measured first information to the second node.
  • the second node can determine whether the terminal has undergone unnecessary switching based on the first information (for example, including the measurement results of each of the n cells), for example, whether the terminal's switching from the first node to the second node is unnecessary.
  • the first configuration information based on which the terminal determines the first information at the second node may be pre-stored by the terminal, for example, determined by the terminal based on a protocol agreement;
  • the first configuration information may be sent by the first node to the terminal when the terminal is at the first node, and the terminal does not delete the first configuration after switching to the second node;
  • the first configuration information is sent to the terminal by the second node after the terminal switches to the second node.
  • the first configuration information can be sent to the second node by other network devices, such as the core network, OAM (Operation Administration and Maintenance), and the first node.
  • OAM Operaation Administration and Maintenance
  • the other devices may also send indication information (eg, including the terminal identifier) to the second node, where the indication information is used to indicate the terminal so that the second node can send the first configuration information to the terminal.
  • indication information eg, including the terminal identifier
  • the measurement results may include at least one of the following: Radio Resource Management (RRM) measurement results, L1 measurement results, and measurement results obtained based on LTM measurement configuration.
  • RRM Radio Resource Management
  • the measurement results may be, for example, cell-level or beam-level, such as results obtained for one or more beam measurements.
  • the measured beams may be autonomously selected by the terminal, indicated by a network device, or determined based on a protocol.
  • the second node determines, based on the first information, that an unnecessary handover has occurred to the terminal, and may send a report to the first node, where the report is used to indicate that an unnecessary handover has occurred to the terminal.
  • the first node can determine, based on the report from the second node, that an unnecessary switch has occurred in the terminal, for example, determining that the terminal's switching from the first node to the second node is an unnecessary operation, and thus appropriately adjust the relevant parameters that trigger the first node to instruct the terminal to perform the switching operation, so as to avoid subsequent triggering of the first node to instruct the terminal to perform unnecessary switching and cause waste of resources.
  • the second node determines that an unnecessary switch has occurred in the terminal, it can send a report indicating that an unnecessary switch has occurred in the terminal to the first node as shown in the previous embodiment, or it can send the report to other network devices, such as to the core network, OAM or other nodes (nodes other than the first node and the second node).
  • the relevant parameters that trigger the first node to instruct the terminal to perform a handover operation may include at least one of the following: a handover threshold, measurement resources (eg, time domain resources, frequency domain resources), and a measurement object (eg, a cell).
  • a handover threshold e.g, time domain resources, frequency domain resources
  • a measurement object e.g, a cell
  • a configuration message measures n cells and sends the obtained measurement results to the first node.
  • the first node compares the measurement results with the switching threshold. When there is a measurement result greater than the switching threshold, it can instruct the terminal to switch to the cell corresponding to the measurement result greater than the switching threshold (for example, the cell of the second node).
  • the first node When the first node determines, based on the report from the second node, that the terminal has undergone unnecessary handover, it may appropriately adjust the handover threshold, for example, to a larger value or a smaller value.
  • the specific adjustment method depends on the implementation of the first node. This allows the terminal in the first node to be instructed to perform a handover operation based on the adjusted handover threshold in a subsequent manner, thereby minimizing the risk of instructing the terminal to perform an unnecessary handover operation.
  • the second node may determine whether the relationship between the first information and the second threshold information satisfies a predefined relationship.
  • the second threshold information may indicate a second threshold.
  • the predefined relationship includes at least one of the following: the first information is greater than the second threshold, the first information is less than the second threshold, or the first information is equal to the second threshold.
  • the second threshold information may indicate a second threshold, for example, the second threshold includes an LTM-related signal quality threshold, for example, may specifically include at least one of an RSRP threshold, an RSRQ threshold, and an SINR threshold.
  • the second threshold includes an LTM-related signal quality threshold, for example, may specifically include at least one of an RSRP threshold, an RSRQ threshold, and an SINR threshold.
  • the second node determines whether an unnecessary switching occurs in the terminal based on the first information, which may include determining whether the first information and the second threshold information (for example, the second threshold indicated by the second threshold information) satisfy a predefined relationship.
  • the second node can determine that an unnecessary switching occurs in the terminal, and thus send a report to the first node.
  • the report can indicate to the first node that an unnecessary switching occurs in the terminal.
  • whether the relationship between the first information and the second threshold information satisfies the predefined relationship may include at least one of the following: the relationship between the first information and the second threshold information satisfies the predefined relationship once, or the relationship between the first information and the second threshold information satisfies the predefined relationship multiple times (the number of times can be determined based on the protocol agreement or indicated by the network device), or the relationship between the first information and the second threshold information always satisfies the predefined relationship.
  • the terminal may measure n (n is a value equal to or greater than 1) cells according to the first configuration information, thereby obtaining n measurement results.
  • n is a value equal to or greater than 1 cells according to the first configuration information, thereby obtaining n measurement results.
  • one measurement result may be referred to as one first information.
  • the second node can compare each of the first information with the second threshold. If at least one first information satisfies a predefined relationship with the second threshold, for example, at least one first information is greater than the second threshold, it can be determined that the first information satisfies the predefined relationship with the second threshold.
  • the second node can compare each of the first information with the second threshold. If there is a predefined relationship between each first information and the second threshold, for example, each first information is greater than the second threshold, it can be determined that the first information and the second threshold meet the predefined relationship.
  • the first information sent by the terminal to the second node may include n first information, where the multiple information corresponds to measurement results obtained by the terminal measuring n cells according to the first configuration information, and each first information corresponds to the measurement result of the terminal measuring one cell.
  • the second node may compare each piece of first information with the second threshold information to determine whether the relationship between the first information and the second threshold information satisfies a predefined relationship. If the relationship between the first information and the second threshold information satisfies the predefined relationship, the second node may determine that an unnecessary handover has occurred in the terminal, and thus send a report to the first node.
  • the second node can determine that there are still cells in the cell of the first node that can provide the terminal with services that meet the requirements, so the terminal does not need to switch to the second node, and therefore it can be determined that the terminal's switching from the first node to the second node is unnecessary switching.
  • the first configuration information includes first range information.
  • the cell indicated by the first range information may include an LTM candidate cell.
  • the terminal measures one or more cells indicated by the first range information and sends the measurement results (for example, included in the first information) to the second node.
  • the second node can receive the first configuration information from the first node. Based on the first time information and/or the first threshold information in the first configuration information, the second node can determine the cell that satisfies the predefined relationship within the time range indicated by the first time information. When the cell with the predefined relationship is determined, the second node can determine that an unnecessary handover has occurred to the terminal.
  • the first configuration information includes first time information, for example, the first time information is used to indicate a period for the terminal to perform a measurement operation.
  • the terminal measures one or more neighboring cells within the period indicated by the first time information and sends the obtained measurement results (for example, contained in the first information) to the second node.
  • the second node can receive the first configuration information from the first node, and the second node determines, based on the first range information and/or the first threshold information, a cell that satisfies a predefined relationship within the period indicated by the first time information. When a cell with a predefined relationship is determined, the second node can determine that an unnecessary handover has occurred to the terminal.
  • the report includes at least one of the following:
  • Handover indication information used to indicate that the terminal will be handed over to the first cell within a first duration
  • An identifier of at least one cell wherein a relationship between the first information corresponding to the at least one cell and the second threshold information satisfies a predefined relationship.
  • the report when the report is used to report the target cell identity of the unnecessary handover, the report may indicate whether the target cell of the unnecessary handover is an LTM candidate cell.
  • the target cell of the unnecessary handover may include the cell where the terminal is located after handing over to the second node.
  • the report when reporting the source cell identity for reporting unnecessary handover, may indicate whether the source cell of the unnecessary handover is an LTM candidate cell.
  • the source cell of the unnecessary handover may include the cell where the terminal is located when it is under the first node.
  • the second node may predict that the terminal will switch to the first cell within a first duration, and indicate to the first node through switching indication information that the terminal will switch to the first cell within the first duration.
  • the report may indicate to the first node the handover type of unnecessary handover (Unnecessary HandOver), and the handover type may include at least one of the following: normal handover, conditional handover (CHO), dual active protocol stack (DAPS) handover, and LTM handover.
  • the handover type may include at least one of the following: normal handover, conditional handover (CHO), dual active protocol stack (DAPS) handover, and LTM handover.
  • the report may indicate to the first node an unnecessary handover problem.
  • the unnecessary handover problem may include information about the terminal where the unnecessary handover occurs, such as whether the terminal where the unnecessary handover occurs is configured with an LTM configuration.
  • the unnecessary handover problem is not limited to information about the terminal where the unnecessary handover occurs, and may also include Other information, such as the reason for the unnecessary switch and the time when the unnecessary switch occurred.
  • the first information sent by the terminal to the second node may include n first information, where the multiple information corresponds to measurement results obtained by the terminal measuring n cells according to the first configuration information, and each first information corresponds to the measurement result of the terminal measuring one cell.
  • the second node can compare each first information with the second threshold information respectively to determine whether the relationship between the first information and the second threshold information satisfies a predefined relationship, and then determine at least one cell corresponding to the first information whose relationship with the second threshold information satisfies the predefined relationship, and carry the identifier of the at least one cell in the report and send it to the first node.
  • the second node may not send a report to the first node indicating that an unnecessary handover has occurred to the terminal. For example, if the terminal switches to the first cell within the first duration threshold, the first information is not used by the second node to determine that an unnecessary handover has occurred to the terminal.
  • the second node may identify whether the first cell belongs to the first cell set. If the first cell belongs to the first cell set, the second node may not send a report indicating that an unnecessary handover of the terminal has occurred to the first node; if the first cell does not belong to the first cell set, the second node may send a report indicating that an unnecessary handover of the terminal has occurred to the first node.
  • the first cell set may be agreed upon by a protocol or indicated by other network devices such as the core network and OAM, and the present disclosure does not limit this.
  • the following takes the first cell set as a cell set consisting of cells of the first node as an example to exemplify the technical solution of the present disclosure.
  • the second node can determine that the terminal switches back to the first node in a shorter time and the situation of unnecessary switching is not serious, then it can be determined based on the first information that the terminal has undergone unnecessary switching, and thus a report indicating that the terminal has undergone unnecessary switching is not sent to the first node.
  • the second node can also not send a report indicating that the terminal has undergone unnecessary switching to the first node.
  • the second node can still determine that the terminal has undergone unnecessary switching based on the first information, and send a report indicating that the terminal has undergone unnecessary switching to the first node.
  • the second node may determine, based on the first information, that unnecessary handover has occurred to the terminal, and send a report indicating that unnecessary handover has occurred to the terminal to the first node.
  • the terminal may perform a handover operation again, for example, switching to the first cell.
  • the second node may identify whether the first cell belongs to the second cell set. If the first cell belongs to the second cell set, the second node may send a report to the first node indicating that an unnecessary handover has occurred for the terminal. If the first cell does not belong to the second cell set, the second node may not send a report to the first node indicating that an unnecessary handover has occurred for the terminal.
  • the first cell set may be agreed upon by a protocol or indicated by other network devices such as the core network and OAM, and the present disclosure does not limit this.
  • the following uses the second cell set as a cell set consisting of LTM candidate cells in an LTM configuration as an example to exemplify the technical solution of the present disclosure.
  • the second node determines that the first cell to which the terminal switches is the LTM candidate cell in the LTM configuration. Then it can be determined that the terminal first switches from the first node to the second node through a switching method other than LTM switching, and then switches to the LTM candidate cell in the LTM configuration. However, in this case, the terminal can switch directly from the first node to the second node.
  • the node is switched to the LTM candidate cell (for example, the terminal is configured with LTM configuration), so the operation of switching the terminal from the first node to the second node can be determined as unnecessary switching.
  • other switching may include at least one of the following: normal switching, conditional switching, and dual-active protocol stack switching.
  • the first node may store multiple switching thresholds, such as an LTM switching threshold for triggering an LTM switching and other switching thresholds for triggering other switching.
  • the LTM switching threshold is relatively high and the other switching thresholds are relatively low.
  • the first node determines that there is a measurement result that is larger than other switching thresholds, but the measurement result is less than the LTM switching threshold, which causes the first node to instruct the terminal to perform other switching operations, such as switching to the second node.
  • the terminal After the terminal switches to the second node, it switches to the LTM candidate cell in the LTM configuration.
  • the second node can determine that the terminal's switching from the first node to the second node is unnecessary based on the first information reported by the terminal, and sends a report to the first node to indicate that the terminal has undergone unnecessary switching.
  • the first node When the first node receives the report from the second node, it can determine that an unnecessary handover has occurred to the terminal, and can choose to adjust the LTM handover threshold and/or other handover thresholds, such as lowering the LTM handover threshold and/or raising other handover thresholds, so as to prevent the terminal under the first node from switching to the second node through other handover methods when it is able to switch to the LTM candidate cell.
  • the LTM handover threshold and/or other handover thresholds such as lowering the LTM handover threshold and/or raising other handover thresholds
  • the network device can configure LTM configuration information for the terminal.
  • the LTM configuration information includes LTM candidate cells (which can be one cell or a cell group consisting of multiple cells) and can also include relevant information used for communication in the candidate cells.
  • the terminal can perform LTM cell switching.
  • the network device can instruct the terminal to change cells through layer 1 (for example, through downlink control information (DCI)) or layer 2 (for example, through the media access control layer control element (MAC CE)), for example, instruct the terminal to change the cell from candidate cell #1 to candidate cell #2.
  • DCI downlink control information
  • MAC CE media access control layer control element
  • the network device Since the relevant information used for communication in the candidate cell is pre-configured to the terminal by the network device through LTM configuration, after the terminal switches to candidate cell #2, the network device does not need to configure the relevant information used for communication in candidate cell #2 for the terminal, which is conducive to the terminal completing cell switching and communication as soon as possible.
  • the terminal may send capability information to the second node.
  • the capability information is used to indicate whether the terminal supports sending the first information to the second node according to the first configuration information.
  • the second node may configure resources for the terminal for sending the first message, and may also reserve inter-node resources for sending reports to the first node.
  • the second node may not configure resources for the terminal for sending the first message, nor does it need to reserve inter-node resources for sending reports to the first node, so as to avoid wasting resources.
  • FIG2B is an interactive diagram illustrating another information sending method according to an embodiment of the present disclosure.
  • the terminal is under the first node, for example, there is a communication connection between the terminal and the first node, and/or resides in the cell of the first node.
  • the terminal can perform a measurement operation according to the first configuration information and send the measurement result to the first node.
  • the first node can instruct the terminal to switch from the first node to the second node according to the measurement result.
  • the first node can compare the measurement result obtained by the terminal for measuring the cell with the switching threshold, and determine whether to instruct the terminal to switch the cell based on the comparison result.
  • the conditions for triggering the terminal to switch the cell operation may include at least one of the following: the signal strength of the target cell is higher than the switching threshold, the signal strength of the target node's cell is high
  • the first node instructs the terminal to switch cells when it determines that the trigger condition is met.
  • the terminal may be instructed to switch to a target cell or a target node (for example, the target node may include the second node) through signaling, wherein the signaling may include RRC signaling or other signaling.
  • the terminal may perform a switching operation according to the signaling sent by the network device, such as switching to the target cell (for example, the cell of the second node) or the target node (for example, the second node) indicated by the signaling.
  • the first node Before the terminal switches from the first node to the second node, or after switching from the first node to the second node, in step S202B, the first node can send the first configuration information to the second node.
  • the first node can also indicate the identifier of the terminal to the second node so that the second node can determine that the first configuration information needs to be sent to the terminal.
  • the first node in response to a terminal switching from a first node to a second node, the first node sends first configuration information to the second node, for the second node to configure the terminal to perform relevant measurement records.
  • the first configuration information includes at least one of the following: first measurement configuration information; first range information; first time information; first threshold information.
  • the first configuration information may be related to LTM, including at least one of the following: LTM-related coverage information, the LTM-related coverage information includes one or more LTM candidate cells; LTM-related measurement period, the LTM-related measurement period is used to evaluate the cell signal quality within a certain period of time; LTM-related signal quality threshold, including at least one of RSRP, RSRQ, and SINR, the LTM-related signal quality threshold is used to evaluate whether the cell meets the service conditions.
  • LTM-related coverage information includes one or more LTM candidate cells
  • LTM-related measurement period the LTM-related measurement period is used to evaluate the cell signal quality within a certain period of time
  • LTM-related signal quality threshold including at least one of RSRP, RSRQ, and SINR, the LTM-related signal quality threshold is used to evaluate whether the cell meets the service conditions.
  • the second node may adjust the first configuration information (for example, adjust at least one of the first range information, the first time information, and the first threshold information), or may not adjust the first configuration information.
  • step S203B the terminal switches from the first node to the second node.
  • the second configuration information is used to instruct the terminal to perform corresponding measurements and report the measurement results to the second node.
  • the second configuration information includes one or more of the first configuration information.
  • LTM-related coverage information the LTM-related coverage information includes one or more LTM candidate cells; LTM-related measurement period; LTM-related signal quality threshold, including at least one of RSRP, RSRQ, SINR, etc.
  • the terminal measures one or more cells in the LTM-related coverage information and reports the measurement results.
  • the terminal performs measurements on one or more cells within the LTM-related measurement period and reports the measurement results to the network.
  • the LTM-related signal quality threshold is used to evaluate whether a cell meets the service conditions.
  • the terminal reports the cell measurement results that are higher/lower than the LTM-related signal quality threshold to the network.
  • the terminal may perform measurement according to the second configuration information, and in step S205B, send first information obtained by the measurement (eg, measurement result) to the second node.
  • first information obtained by the measurement eg, measurement result
  • the second node may determine whether an unnecessary handover has occurred to the terminal based on the first information, for example, determining whether the handover of the terminal from the first node to the second node is an unnecessary handover. If it is determined that an unnecessary handover has occurred to the terminal, a report may be sent to the first node in step S207B, the report being used to indicate that an unnecessary handover has occurred to the terminal.
  • the terminal switches from the first node to the second node, and the terminal can send a
  • the first information is sent to the second node, and the second node can determine whether an unnecessary handover has occurred to the terminal based on the first information.
  • the second node determines that an unnecessary handover has occurred to the terminal based on the first information and sends a first report to the first node.
  • the second node determines that an unnecessary handover has not occurred to the terminal based on the first information and does not need to send the first report to the first node. That is, the second node can determine whether to send the first report to the first node based on the first information.
  • the second node determines whether to send a first report to the first node based on the measurement result reported by the terminal, including: in response to the first cell being above/below a certain threshold within a certain period, sending first report information to the first node, the first report information indicating that an LTM-related non-essential handover has occurred.
  • the cell may belong to the LTM measurement range, and the threshold/period may be configured by the first node or agreed upon by a protocol.
  • the first node may send the first configuration information to the second node, and the second node may determine the second configuration information based on the first configuration information and send the second configuration information to the terminal.
  • the second configuration information may be the same as the first configuration information.
  • the first configuration information includes information about specific configurations, such as at least one of the following: first measurement configuration information; first range information; first time information; and first threshold information.
  • the second configuration information may also include information about these specific configurations.
  • the second configuration information may be different from the first configuration information.
  • the first configuration information includes information related to specific configurations, such as at least one of the following: first measurement configuration information; first range information; first time information; and first threshold information.
  • the first configuration information may further include terminal information, indicating to which terminals the second node should send the second configuration information.
  • the second configuration information only includes information related to the specific configurations in the first configuration information.
  • the second configuration information includes at least one of first range information, first time information, and first threshold information, wherein the first range information includes LTM-related coverage information, and the first time information includes an LTM-related measurement period.
  • the second configuration information includes LTM-related coverage information
  • the terminal measures one or more cells in the LTM-related configuration information, and sends the measurement report to the second node, and the second node determines the cells whose signal quality is higher/lower than the LTM-related signal quality threshold within the LTM measurement period based on the LTM-related measurement period and/or LTM-related signal quality threshold sent by the first node.
  • the LTM-related signal quality threshold may also be referred to as a second threshold.
  • the second configuration information includes at least one of first range information, first time information, and first threshold information, wherein the first range information includes LTM-related coverage information, and the first time information includes an LTM-related measurement period.
  • the second configuration information includes an LTM-related measurement period, and the terminal measures one or more neighboring cells within the LTM-related measurement period and sends the measurement report to the second node.
  • the second node determines, based on the LTM-related coverage information and/or the LTM-related signal quality threshold sent by the first node, the cell information belonging to the LTM-related coverage information that is higher/lower than the LTM-related signal quality threshold within the measurement period.
  • the LTM-related signal quality threshold may also be referred to as a second threshold.
  • the second node determines that the relationship between the first information and the second threshold information satisfies a predefined relationship, and the second node determines that a non-essential handover has occurred to the terminal.
  • the content in the first configuration information e.g., the first time information
  • the terminal is still switched from the first node to the second node, which is regarded as a non-essential handover.
  • the first report information may include at least one of the following: a non-essential handover target cell identifier, further indicating whether the target cell is an LTM candidate cell; a non-essential handover source cell identifier, further indicating whether the target cell is an LTM candidate cell; one or more first cell identifiers above/below the threshold; an indication of Within the certain period, the terminal is switched back to the first cell.
  • the first report may include an indication of a non-essential switching type (such as normal HO, CHO, DAPS, LTM).
  • the first report may include an indication of an LTM-related switching problem (such as non-essential switching of a terminal configured with LTM).
  • the terminal switches to the first cell within a first duration threshold, and the first information is not used by the second node to determine that an unnecessary handover of the terminal occurs.
  • the first duration includes a certain period. If the terminal is re-switched to the first cell within the certain period, the second node does not need to send the first report information to the first node.
  • the first cell may be a protocol agreement or a network configuration.
  • the first cell belongs to the LTM measurement range, for example, the first cell belongs to the cell of the first node.
  • the communication method involved in the embodiments of the present disclosure may include at least one of steps S201 and S202.
  • step S201 may be implemented as an independent embodiment
  • step S202 may be implemented as an independent embodiment
  • steps S201+S202 may be implemented as independent embodiments, but are not limited thereto.
  • steps S201 and S202 may be performed in an interchangeable order or simultaneously.
  • step S201 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S202 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • FIG. 3 is a schematic flow chart illustrating a method for sending information according to an embodiment of the present disclosure.
  • the method for sending information illustrated in this embodiment can be executed by a terminal.
  • the information sending method may include the following steps:
  • step S301 switching from the first node to the second node
  • step S302 first information is sent to the second node according to the first configuration information, wherein the first information is used by the second node to determine whether unnecessary handover occurs to the terminal.
  • FIG. 3 can be implemented independently or in combination with at least one other embodiment in the present disclosure.
  • the specific selection can be made as needed and the present disclosure does not limit it.
  • the first configuration information is pre-stored by the terminal; or, the first configuration information is sent to the terminal by the first node; or, the first configuration information is sent to the terminal by the second node.
  • the first configuration information is sent by the first node to the second node, and then sent by the second node to the terminal.
  • the first configuration information includes at least one of the following: first measurement configuration information; first range information; first time information; and first threshold information.
  • the relationship between the first information and the second threshold information satisfies a predefined relationship, and the first information is used by the second node to determine that unnecessary handover has occurred to the terminal.
  • the terminal switches to the first cell within a first duration threshold, and the first information is not used by the second node to determine that an unnecessary handover of the terminal occurs.
  • the method further includes: sending capability information to the second node, wherein the capability information is used to indicate whether the terminal supports sending the first information to the second node according to the first configuration information.
  • FIG. 4 is a schematic flow chart illustrating an information receiving method according to an embodiment of the present disclosure.
  • the information receiving method illustrated in this embodiment may be executed by a second node.
  • the information receiving method may include the following steps:
  • step S401 first information sent according to first measurement configuration information after the terminal switches from the first node to the second node is received, wherein the first information is used by the second node to determine whether unnecessary switching occurs to the terminal.
  • the first configuration information is pre-stored by the terminal; or, the first configuration information is sent to the terminal by the first node; or, the first configuration information is sent to the terminal by the second node.
  • the first configuration information is sent by the first node to the second node, and then sent by the second node to the terminal.
  • the relationship between the first information and the second threshold information satisfies a predefined relationship, and the first information is used by the second node to determine that unnecessary handover has occurred to the terminal.
  • the terminal switches to the first cell within a first duration threshold, and the first information is not used by the second node to determine that an unnecessary handover of the terminal occurs.
  • the terminal switches to a first cell
  • the first cell is an LTM candidate cell in an LTM configuration
  • the first information is used by the second node to determine that an unnecessary handover occurs to the terminal.
  • the method further includes: in response to the first information being used by the second node to determine that an unnecessary handover has occurred to the terminal, sending a report to the first node, wherein the report is used to indicate that an unnecessary handover has occurred to the terminal.
  • the report includes at least one of the following: a target cell identifier for non-essential switching; a source cell identifier for non-essential switching; switching indication information for indicating that the terminal will switch to the first cell within a first time period; a switching type for non-essential switching; an indication of a non-essential switching problem: an identifier of at least one cell, wherein the relationship between the first information corresponding to the at least one cell and the second threshold information satisfies a predefined relationship.
  • the method further includes: sending capability information to the second node, wherein the capability information is used to indicate whether the terminal supports sending the first information to the second node according to the first configuration information.
  • the first node in response to a terminal switching from a first node to a second node, the first node sends a first configuration related to LTM to the second node, so that the second node configures the terminal to perform related measurement logging.
  • the first configuration includes but is not limited to: an LTM measurement range, where the LTM measurement range includes one or more LTM candidate cells; an LTM measurement period; and an LTM measurement threshold.
  • the terminal in response to switching to the second node, receives second configuration information sent by the second node and performs measurement logging based on the second configuration, where the second configuration information includes at least one of the following:
  • An LTM measurement range where the LTM measurement range includes one or more LTM candidate cells, and the terminal performs measurements on the cells within the LTM measurement range and reports the measurement results to the second node;
  • An LTM measurement period in which the terminal performs measurement on the LTM measurement range and sends a measurement report to the second node;
  • LTM measurement threshold in response to a cell being above or below the LTM measurement threshold, reporting the cell related information to the second node.
  • the second node sends a first report information to the first node based on the measurement results reported by the terminal in response to the first cell being above or below a certain threshold within a certain period, where the first report information indicates that an LTM-related unnecessary handover has occurred.
  • the first report information includes at least one of the following: a non-essential switching target cell identifier, further indicating whether the target cell is an LTM candidate cell; a non-essential switching source cell identifier, further indicating whether the target cell is an LTM candidate cell; an indication that the terminal is switched back to the first cell within the certain period; one or more first cell identifiers that are higher or lower than the threshold.
  • the cell may belong to the LTM measurement range, and the threshold/period may be configured by the first node or agreed upon by a protocol.
  • the first cell may be a protocol agreement or a network configuration, for example, the cell belongs to the LTM measurement range.
  • the one or more LTM candidate cells mentioned above may include an LTM handover source cell or a cell for which the terminal receives LTM configuration for triggering LTM handover.
  • the above cell measurement results can be RRM measurement L1 measurement results, or L1 measurement results obtained based on LTM measurement configuration. They can be cell-level measurement results or measurement results for one or more beams. The one or more beams can be determined based on network configuration or UE autonomous selection, and the implementation method is not limited.
  • first cell identifiers that are higher or lower than the threshold may be satisfied once, or N times, or always, and the implementation method is not limited.
  • the second node in response to a terminal switching from a first node to a second node, receives the first LTM-related configuration information sent by the first node, and configures the second node according to the first LTM-related configuration information.
  • the terminal performs measurement reporting and determines whether to send a first report to the first node based on the measurement result reported by the terminal, wherein the first report indicates that an LTM-related unnecessary handover has occurred.
  • the first report may also be sent to the OAM or other nodes.
  • the first LTM-related configuration information includes at least one of the following:
  • LTM-related coverage information includes one or more LTM candidate cells
  • LTM-related measurement period which is used to evaluate cell signal quality within a certain period of time
  • LTM-related signal quality threshold including at least one of RSRP, RSRQ, and SINR.
  • the LTM-related signal quality threshold is used to evaluate whether the cell meets the service conditions.
  • configuring the terminal to perform measurement reporting includes the second node sending second configuration information to the terminal, for the terminal to perform corresponding measurements and report the measurement results to the second node, where the second configuration information includes, for example, one or more of the following in the first configuration information:
  • LTM-related coverage information includes one or more LTM candidate cells.
  • the terminal measures the one or more cells in the LTM-related coverage information and reports the measurement results.
  • the terminal performs measurements on one or more cells within the LTM-related measurement period and reports the measurement results to the network;
  • an LTM-related signal quality threshold comprising at least one of RSRP, RSRQ, and SINR, the LTM-related signal quality threshold being used to assess whether a cell meets service conditions.
  • the terminal reports cell measurement results above or below the LTM-related signal quality threshold to the network.
  • the second node determining whether to send a first report to the first node based on the measurement results reported by the terminal includes sending a first report to the first node in response to a first cell having a value above/below a certain threshold within a certain period, the first report indicating that an LTM-related unnecessary handover has occurred.
  • the cell may belong to the LTM measurement range, and the threshold/period may be configured by the first node or agreed upon by a protocol.
  • the second configuration information includes LTM-related coverage information
  • the terminal measures one or more cells in the LTM-related configuration information, and sends the measurement report to the second node, and the second node determines the cells that are higher/lower than the LTM-related signal quality threshold within the LTM measurement period based on the LTM-related measurement period and/or LTM-related signal quality threshold sent by the first node.
  • the second configuration information includes an LTM-related measurement period
  • the terminal measures one or more neighboring cells within the LTM-related measurement period, and sends the measurement report to the second node
  • the second node determines the cell information belonging to the LTM-related coverage information that is higher/lower than the LTM-related signal quality threshold within the measurement period based on the LTM-related coverage information and/or the LTM-related signal quality threshold sent by the first node.
  • the content in the first configuration information is used by the terminal/second node to perform measurement and evaluation based on the configuration information to determine whether there is a cell in the first node that can provide sufficient service conditions based on the configuration information of the first node. In the case of the existence of such a cell, the terminal is still switched from the first node to the second node, which is regarded as a non-essential switch.
  • the first report information includes at least one of the following:
  • non-essential handover target cell identifier further indicating whether the target cell is an LTM candidate cell
  • a non-essential handover source cell identifier further indicating whether the target cell is an LTM candidate cell
  • the first report includes an indication of a non-essential handover type (e.g., normal HO, CHO, DAPS, LTM).
  • a non-essential handover type e.g., normal HO, CHO, DAPS, LTM.
  • the first report includes an indication of an LTM-related handover problem (e.g., unnecessary handover of a terminal configured with LTM).
  • an LTM-related handover problem e.g., unnecessary handover of a terminal configured with LTM.
  • the second node if the terminal is handed over to the first cell again within the certain period, the second node does not need to send the first report information to the first node.
  • the first cell may be a protocol agreement or a network configuration, for example, the cell belongs to the LTM measurement range.
  • the first node, the second node, and the terminal are nodes or terminals that support the LTM-related non-essential switching, and optionally send a capability indication to indicate whether they have the capability.
  • unnecessary switching may refer to: the terminal switches from a first radio access technology (Radio Access Technology, RAT) to a second RAT, and within a period of time thereafter, the UE detects that the signal quality of the first RAT can still meet the requirements of the service received by the current user, then the UE's switching from the first RAT to the second RAT is considered to be an unnecessary switching (premature inter-system HO without connection failure).
  • RAT Radio Access Technology
  • this may be caused by setting the serving cell threshold for triggering handover in the source system too high. If the serving cell threshold (e.g., NR cell) is set too high, and a cell with good signal strength is available in another system (e.g., EPS (Evolved Packet System)), handover to the other system may be triggered unnecessarily, resulting in inefficient network usage. Using a lower threshold allows the UE to continue operating in the source system (e.g., 5GS (5G system)).
  • the serving cell threshold e.g., NR cell
  • EPS Evolved Packet System
  • the gNB node may optionally include additional coverage and quality condition information during the handover preparation process when an inter-system HO occurs from a gNB to another system.
  • the RAN node in the other system may instruct the UE to continue measuring cells in the source system for a period of time while connected to the other system and send measurement reports to the node in the other system.
  • the RAN node in the other system may evaluate the received measurement reports based on the coverage/quality conditions received during the inter-system HO process and decide whether to send unnecessary inter-system HO reports to the gNB in the source system.
  • the target RAT sends a HO report to the source RAT only if any cell in the source system exceeds a radio coverage and/or quality threshold (radio thresholds RSRP, RSRQ, and/or SINR, and the measurement period are specified in the additional coverage and quality information in the handover preparation procedure) in all UE measurement reports collected during the measurement period. If an inter-system handover from EPS to 5GS is performed within the specified measurement period, the measurement period expires. In this case, the eNB in the EPS may send a HO report. If no NR cell can be included, or if the specified time period is interrupted by an inter-system handover to a system other than 5GS, the HO report shall not be sent.
  • a radio coverage and/or quality threshold radio thresholds RSRP, RSRQ, and/or SINR
  • the RAN node in the source system can decide whether/how to adjust its parameters (e.g., adjust the threshold for triggering inter-system HO).
  • non-essential handovers can also occur between two intra-RAT base stations.
  • the inter-RAT scenario is more interesting for at least one of the following reasons:
  • the switching cost between different RATs is higher: Cross-RAT switching (for example, switching from LTE to NR or vice versa)
  • Handovers within the same RAT e.g., LTE to LTE
  • Handovers within the same RAT are generally more complex than handovers within the same RAT (e.g., LTE to LTE), requiring more signaling and potentially resulting in longer service interruptions.
  • Inter-RAT coordination issues Networks between different RATs may be managed by different network operators, or even by the same operator, their deployment and optimization strategies may differ. This may lead to inconsistent network performance at the edge and increase the risk of ping-pong effects.
  • Inter-RAT handover may have a greater negative impact on user experience because it may involve different network performance characteristics (e.g., speed, latency, etc.) and changes in quality of service (QoS).
  • network performance characteristics e.g., speed, latency, etc.
  • QoS quality of service
  • a handover operation requires explicit RRC signaling triggering.
  • the signaling procedure consists of at least the following basic components, which may include the following steps:
  • the source gNB initiates the handover and sends a handover request via the Xn interface;
  • the target gNB performs admission control and provides the new RRC configuration as part of the handover request confirmation
  • the source gNB provides the RRC configuration to the UE by forwarding the RRCReconfiguration message received in the Handover Request Answer.
  • the RRCReconfiguration message includes at least the cell ID and all information required to access the target cell so that the UE can access the target cell without reading system information. In some cases, information required for contention-based and non-contention-based random access may be included in the RRCReconfiguration message.
  • the access information of the target cell may include beam-specific information.
  • the UE moves the RRC connection to the target gNB and responds with RRCReconfigurationComplete.
  • conditional handover refers to a handover performed by the UE when one or more handover execution conditions are met.
  • the UE starts evaluating the execution conditions after receiving the CHO configuration and stops evaluating the execution conditions after performing a handover (including legacy handover and CHO).
  • CHO may apply the following criteria:
  • CHO configuration includes CHO candidate cell configuration and execution conditions
  • An execution condition may contain one or two trigger conditions (CHO events A3/A5):
  • CondEvent A3 Conditional reconfiguration candidate becomes amount of offset better than PCell/PSCell;
  • the legacy HO procedure is performed regardless of any CHO configuration received previously.
  • the UE When performing CHO, that is, from the time the UE starts synchronizing with the target cell, the UE does not monitor the source cell.
  • the network side may provide the terminal with multiple "candidate cells (or cell groups)".
  • the network side may subsequently provide the terminal with multiple candidate cells (or cell groups) through L1 (e.g., DCI (Downlink Control Information, Downlink control information) or L2 (MAC CE (Control Element)) signaling controls the terminal to change multiple "candidate cells (or cell groups)" (for example, changing the working cell (or cell group) from “candidate cell (or cell group)-1" to "candidate cell (or cell group)-2").
  • L1 e.g., DCI (Downlink Control Information, Downlink control information) or L2 (MAC CE (Control Element)
  • L1 e.g., DCI (Downlink Control Information, Downlink control information) or L2 (MAC CE (Control Element)
  • L1 e.g., DCI (Downlink Control Information, Downlink control information) or L2 (MAC CE (Control Element)
  • L1 e.g., DCI (Down
  • DU is supported to activate candidate cells (or cell groups) through MAC CE.
  • the names of information, etc. are not limited to the names described in the embodiments, and terms such as “information”, “message”, “signal”, “signaling”, “report”, “configuration”, “indication”, “instruction”, “command”, “channel”, “parameter”, “domain”, “field”, “symbol”, “symbol”, “codeword”, “codebook”, “codeword”, “codepoint”, “bit”, “data”, “program”, and “chip” can be used interchangeably.
  • terms such as “moment”, “time point”, “time”, and “time position” can be replaced with each other, and terms such as “duration”, “period”, “time window”, “window”, and “time” can be replaced with each other.
  • "obtain”, “get”, “get”, “receive”, “transmit”, “bidirectional transmission”, “send and/or receive” can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from higher layers, obtaining by self-processing, autonomous implementation, etc.
  • the present disclosure also provides embodiments of an information sending device and an information receiving device.
  • FIG5 is a schematic block diagram of an information sending device according to an embodiment of the present disclosure.
  • the information sending module may be provided in a terminal.
  • the information sending device includes: a processing module 501 and a sending module 502.
  • the processing module is configured to switch from a first node to a second node; the sending module is configured to send first information to the second node according to first configuration information, wherein the first information is used by the second node to determine whether unnecessary switching has occurred at the terminal.
  • the first configuration information is pre-stored by the terminal; or, the first configuration information is sent to the terminal by the first node; or, the first configuration information is sent to the terminal by the second node.
  • the first configuration information is sent by the first node to the second node, and then sent by the second node to the terminal.
  • the first configuration information includes at least one of the following: first measurement configuration information; first range information; first time information; and first threshold information.
  • the relationship between the first information and the second threshold information satisfies a predefined relationship, and the first information is used by the second node to determine that unnecessary handover has occurred to the terminal.
  • the terminal switches to the first cell within a first duration threshold, and the first information is not used by the second node to determine that an unnecessary handover of the terminal occurs.
  • the terminal switches to a first cell, the first cell belonging to a LTM configuration.
  • LTM candidate cell the first information is used by the second node to determine that unnecessary handover occurs to the terminal.
  • the sending module is further configured to send capability information to the second node, wherein the capability information is used to indicate whether the terminal supports sending the first information to the second node according to the first configuration information.
  • FIG6 is a schematic block diagram of an information receiving device according to an embodiment of the present disclosure.
  • the information receiving device may be provided at the second node.
  • the information receiving device includes: a receiving module 601.
  • the receiving module is configured to receive first information sent by the terminal according to first measurement configuration information after the terminal switches from the first node to the second node, wherein the first information is used by the second node to determine whether unnecessary switching occurs to the terminal.
  • the first configuration information is pre-stored by the terminal; or, the first configuration information is sent to the terminal by the first node; or, the first configuration information is sent to the terminal by the second node.
  • the first configuration information is sent by the first node to the second node, and then sent by the second node to the terminal.
  • the first configuration information includes at least one of the following: first measurement configuration information; first range information; first time information; and first threshold information.
  • the relationship between the first information and the second threshold information satisfies a predefined relationship, and the first information is used by the second node to determine that unnecessary handover has occurred to the terminal.
  • the terminal switches to the first cell within a first duration threshold, and the first information is not used by the second node to determine that an unnecessary handover of the terminal occurs.
  • the terminal switches to a first cell
  • the first cell is an LTM candidate cell in an LTM configuration
  • the first information is used by the second node to determine that an unnecessary handover occurs to the terminal.
  • the apparatus further comprises: a sending module configured to send a report to the first node in response to the first information being used by the second node to determine that an unnecessary handover has occurred to the terminal, wherein the report is used to indicate that an unnecessary handover has occurred to the terminal.
  • a sending module configured to send a report to the first node in response to the first information being used by the second node to determine that an unnecessary handover has occurred to the terminal, wherein the report is used to indicate that an unnecessary handover has occurred to the terminal.
  • the report includes at least one of the following:
  • Handover indication information used to indicate that the terminal will be handed over to the first cell within a first duration
  • the identifier of at least one cell wherein the relationship between the first information and the second threshold information corresponding to the at least one cell satisfies a predefined relationship.
  • the receiving module is further configured to send capability information to the second node, wherein the capability information is used to indicate whether the terminal supports sending the first information to the second node according to the first configuration information.
  • the relevant parts can be referred to the partial description of the method embodiment.
  • the device embodiment described above is only illustrative, wherein the device embodiment described as a separation
  • the modules described in the component descriptions may or may not be physically separate, and the components displayed as modules may or may not be physical modules, that is, they may be located in one place or distributed across multiple network modules. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Those skilled in the art can understand and implement the present embodiment without inventive effort.
  • the embodiments of the present disclosure further provide an apparatus for implementing any of the above methods.
  • an apparatus comprising units or modules for implementing each step performed by a terminal in any of the above methods.
  • another apparatus comprising units or modules for implementing each step performed by a network device (e.g., an access network device, a core network function node, a core network device, etc.) in any of the above methods.
  • a network device e.g., an access network device, a core network function node, a core network device, etc.
  • the division of the various units or modules in the above device is only a division of logical functions. In actual implementation, they can be fully or partially integrated into one physical entity, or they can be physically separated.
  • the units or modules in the device can be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and instructions are stored in the memory.
  • the processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the various units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory within the device or a memory outside the device.
  • CPU central processing unit
  • microprocessor a microprocessor
  • the units or modules in the device may be implemented in the form of hardware circuits, and the functions of some or all of the units or modules may be implemented by designing the hardware circuits.
  • the above-mentioned hardware circuits may be understood as one or more processors.
  • the above-mentioned hardware circuit is an application-specific integrated circuit (ASIC), and the functions of some or all of the above-mentioned units or modules may be implemented by designing the logical relationship between the components in the circuit.
  • ASIC application-specific integrated circuit
  • the above-mentioned hardware circuit may be implemented by a programmable logic device (PLD).
  • PLD programmable logic device
  • FPGA field programmable gate array
  • it may include a large number of logic gate circuits, and the connection relationship between the logic gate circuits may be configured through a configuration file, thereby implementing the functions of some or all of the above-mentioned units or modules. All units or modules of the above-mentioned devices may be implemented entirely by the processor calling software, or entirely by hardware circuits, or partially by the processor calling software, and the remaining part by hardware circuits.
  • the processor is a circuit with signal processing capabilities.
  • the processor can be a circuit with instruction reading and execution capabilities, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP).
  • the processor can implement certain functions through the logical relationship of a hardware circuit. The logical relationship of the above-mentioned hardware circuit is fixed or reconfigurable.
  • the processor is a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading a configuration document to implement the hardware circuit configuration can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
  • it can also be a hardware circuit designed for artificial intelligence, which can be understood as ASIC, such as the Neural Network Processing Unit (NPU), the Tensor Processing Unit (TPU), the Deep Learning Processing Unit (DPU), etc.
  • FIG. 7A is a schematic diagram of the structure of a communication device 7100 proposed in an embodiment of the present disclosure.
  • Communication device 7100 can be a network device (e.g., an access network device, a core network device, etc.), a terminal (e.g., a user equipment, etc.), a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods.
  • Communication device 7100 can be used to implement the methods described in the above method embodiments. For details, please refer to the description of the above method embodiments.
  • the communication device 7100 includes one or more processors 7101.
  • the processor 7101 may be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit.
  • the baseband processor may be The central processing unit (CPU) is used to process communication protocols and communication data.
  • the CPU can be used to control a communication device (e.g., a base station, a baseband chip, a terminal device, a terminal device chip, a DU or CU, etc.), execute programs, and process program data.
  • the communication device 7100 is used to perform any of the above methods.
  • one or more processors 7101 are used to call instructions to cause the communication device 7100 to perform any of the above methods.
  • the communication device 7100 further includes one or more transceivers 7102.
  • the transceiver 7102 performs at least one of the communication steps such as sending and/or receiving in the above method (for example, steps S201 and S202, but not limited thereto), and the processor 7101 performs at least one of the other steps (for example, steps S201 and S202, but not limited thereto).
  • the transceiver may include a receiver and/or a transmitter, and the receiver and transmitter may be separate or integrated.
  • transceiver transceiver unit, transceiver, transceiver circuit, interface circuit, and interface
  • transmitter, transmitting unit, transmitter, and transmitting circuit may be interchangeable
  • receiver, receiving unit, receiver, and receiving circuit may be interchangeable.
  • the communication device 7100 further includes one or more memories 7103 for storing data. Alternatively, all or part of the memories 7103 may be located outside the communication device 7100.
  • the communication device 7100 may include one or more interface circuits 7104.
  • the interface circuits 7104 are connected to the memory 7102 and may be configured to receive data from the memory 7102 or other devices, or to send data to the memory 7102 or other devices. For example, the interface circuits 7104 may read data stored in the memory 7102 and send the data to the processor 7101.
  • the communication device 7100 described in the above embodiment may be a network device or a terminal, but the scope of the communication device 7100 described in the present disclosure is not limited thereto, and the structure of the communication device 7100 may not be limited by FIG. 7A.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data or programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, an in-vehicle device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.
  • FIG. 7B is a schematic diagram of the structure of a chip 7200 proposed in an embodiment of the present disclosure. If the communication device 7100 can be a chip or a chip system, please refer to the schematic diagram of the structure of the chip 7200 shown in FIG7B , but the present disclosure is not limited thereto.
  • the chip 7200 includes one or more processors 7201.
  • the chip 7200 is configured to execute any of the above methods.
  • chip 7200 further includes one or more interface circuits 7202. Alternatively, terms such as interface circuit, interface, and transceiver pins may be used interchangeably.
  • chip 7200 further includes one or more memories 7203 for storing data. Alternatively, all or part of memory 7203 may be located external to chip 7200.
  • interface circuit 7202 is connected to memory 7203 and may be used to receive data from memory 7203 or other devices, or may be used to send data to memory 7203 or other devices. For example, interface circuit 7202 may read data stored in memory 7203 and send the data to processor 7201.
  • the interface circuit 7202 performs at least one of the communication steps (e.g., steps S201 and S202, but not limited thereto) of the aforementioned method.
  • the interface circuit 7202 performing the communication steps (e.g., steps S201 and S202) of the aforementioned method means that the interface circuit 7202 performs data exchange between the processor 7201, chip 7200, memory 7203, or a transceiver device.
  • the processor 7201 performs at least one of the other steps (e.g., steps S201 and S202, but not limited thereto).
  • modules and/or devices described in the embodiments such as virtual devices, physical devices, chips, etc. can be combined or separated as needed.
  • some or all steps can also be performed by multiple modules and/or devices in collaboration. No limitation is made.
  • the present disclosure also proposes a storage medium having instructions stored thereon.
  • the storage medium is an electronic storage medium.
  • the storage medium is a computer-readable storage medium, but is not limited thereto and may also be a storage medium readable by other devices.
  • the storage medium may be a non-transitory storage medium, but is not limited thereto and may also be a temporary storage medium.
  • the present disclosure also provides a program product, which, when executed by the communication device 7100, enables the communication device 7100 to perform any of the above methods.
  • the program product is a computer program product.
  • the present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to perform any one of the above methods.

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Abstract

本公开涉及通信技术领域，具体涉及信息发送、接收方法和装置、通信系统和存储介质方法、装置、通信装置和存储介质，其中，所述信息发送方法包括：从第一节点切换到第二节点；根据第一配置信息发送第一信息至所述第二节点，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。根据本公开，终端根据第一配置信息向第二节点发送第一信息，第二节点根据第一信息可以确定终端是否发生了非必要切换，以便第二节点或其他网络设备能够在终端发生了非必要切换的情况下实行适当的调整，有利于避免后续再次发生非必要切换而造成资源浪费。

Description

信息发送、接收方法和装置、通信系统和存储介质 技术领域
本公开涉及通信技术领域，具体而言，涉及信息发送方法、信息接收方法、信息发送装置、信息接收装置、终端、节点、通信设备和存储介质。
背景技术
终端无线网络的小区中通信时，在满足一定条件的情况下，可以在小区之间进行切换(HandOver，HO)，有利于保证终端在小区中良好的通信效果。但是在小区切换过程中，仍然存着一些技术问题亟待解决。
发明内容
本公开的实施例提出了信息发送、接收方法和装置、通信系统和存储介质，以解决相关技术中非必要切换而导致的资源浪费问题。
根据本公开实施例的第一方面，提出一种信息发送方法，由终端执行，所述方法包括：从第一节点切换到第二节点；根据第一配置信息发送第一信息至所述第二节点，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
根据本公开实施例的第二方面，提出一种信息接收方法，由第二节点执行，所述方法包括：接收所述终端从第一节点切换到第二节点后，根据第一测量配置信息发送的第一信息，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
根据本公开实施例的第三方面，提出一种信息发送装置，所述装置包括：处理模块，被配置为从第一节点切换到第二节点；发送模块，被配置为根据第一配置信息发送第一信息至所述第二节点，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
根据本公开实施例的第四方面，提出一种信息接收装置，所述装置包括：接收模块，被配置为接收所述终端从第一节点切换到第二节点后，根据第一测量配置信息发送的第一信息，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
根据本公开实施例的第五方面，提出一种终端，包括：一个或多个处理器；其中，所述终端用于执行第一方面所述的信息发送方法。
根据本公开实施例的第六方面，提出一种节点，包括：一个或多个处理器；其中，所述节点用于执行第二方面所述的信息接收方法。
根据本公开实施例的第七方面，提出一种通信系统，包括终端、第二节点，其中，所述终端被配置为实现第一方面所述的信息发送方法，所述第二节点被配置为实现第二方面所述的信息接收方法。
根据本公开实施例的第八方面，提出一种存储介质，所述存储介质存储有指令，当所述指令在通信设备上运行时，使得所述通信设备执行第一方面所述的信息发送方法，和/或，第二方面所述的信息接收方法。
根据本公开实施例的第九方面，提出一种程序产品，上述程序产品被通信设备执 行时，使得上述通信设备执行第一方面所述的信息发送方法，和/或，第二方面所述的信息接收方法。
根据本公开的实施例，终端根据第一配置信息向第二节点发送第一信息，第二节点根据第一信息可以确定终端是否发生了非必要切换，以便第二节点或其他网络设备能够在终端发生了非必要切换的情况下实行适当的调整，有利于避免后续再次发生非必要切换而造成资源浪费。
附图说明
为了更清楚地说明本公开实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1是根据本公开实施例示出的通信系统的架构示意图。
图2A是根据本公开的实施例示出的一种信息发送方法的交互示意图。
图2B是根据本公开的实施例示出的另一种信息发送方法的交互示意图。
图3是根据本公开的实施例示出的一种信息发送方法的示意流程图。
图4是根据本公开的实施例示出的一种信息接收方法的示意流程图。
图5是根据本公开的实施例示出的一种信息发送装置的示意框图。
图6是根据本公开的实施例示出的一种信息接收装置的示意框图。
图7A是本公开实施例提出的通信设备的结构示意图。
图7B是本公开实施例提出的芯片的结构示意图。
具体实施方式
本公开的实施例提出信息发送、接收方法和装置、通信系统和存储介质。
第一方面，本公开的实施例提出了一种信息发送方法，由终端执行，所述方法包括：从第一节点切换到第二节点；根据第一配置信息发送第一信息至所述第二节点，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
在上述实施例中，终端根据第一配置信息向第二节点发送第一信息，第二节点根据第一信息可以确定终端是否发生了非必要切换，以便第二节点或其他网络设备能够在终端发生了非必要切换的情况下实行适当的调整，有利于避免后续再次发生非必要切换而造成资源浪费。
结合第一方面的一些实施例。在一些实施例中，所述第一配置信息为所述终端预先存储的；或者，所述第一配置信息由所述第一节点发送至所述终端；或者，所述第一配置信息由所述第二节点发送至所述终端。
结合第一方面的一些实施例。在一些实施例中，所述第一配置信息由所述第一节点发送至所述第二节点后，由所述第二节点发送至所述终端。
结合第一方面的一些实施例。在一些实施例中，所述第一配置信息包括以下至少之一：第一测量配置信息；第一范围信息；第一时间信息；第一阈值信息。
结合第一方面的一些实施例。在一些实施例中，所述第一信息与第二阈值信息之间的关系满足预定义关系，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
结合第一方面的一些实施例。在一些实施例中，在第一时长阈值内所述终端切换至第一小区，所述第一信息不用于所述第二节点确定所述终端发生了非必要切换。
结合第一方面的一些实施例。在一些实施例中，所述终端切换至第一小区，所述第一小区属于LTM配置中的LTM候选小区，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
结合第一方面的一些实施例。在一些实施例中，所述方法还包括：向所述第二节点发送能力信息，其中，所述能力信息用于指示所述终端是否支持根据所述第一配置信息将所述第一信息发送至所述第二节点。
第二方面，本公开的实施例提出了一种信息接收方法，由第二节点执行，所述方法包括：接收所述终端从第一节点切换到第二节点后，根据第一测量配置信息发送的第一信息，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
结合第二方面的一些实施例。在一些实施例中，所述第一配置信息为所述终端预先存储的；或者，所述第一配置信息由所述第一节点发送至所述终端；或者，所述第一配置信息由所述第二节点发送至所述终端。
结合第二方面的一些实施例。在一些实施例中，所述第一配置信息由所述第一节点发送至所述第二节点后，由所述第二节点发送至所述终端。
结合第二方面的一些实施例。在一些实施例中，所述第一配置信息包括以下至少之一：第一测量配置信息；第一范围信息；第一时间信息；第一阈值信息。
结合第二方面的一些实施例。在一些实施例中，所述第一信息与第二阈值信息之间的关系满足预定义关系，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
结合第二方面的一些实施例。在一些实施例中，在第一时长阈值内所述终端切换至第一小区，所述第一信息不用于所述第二节点确定所述终端发生了非必要切换。
结合第二方面的一些实施例。在一些实施例中，所述终端切换至第一小区，所述第一小区属于LTM配置中的LTM候选小区，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
结合第二方面的一些实施例。在一些实施例中，所述方法还包括：响应于所述第一信息用于所述第二节点确定所述终端发生了非必要切换，向所述第一节点发送报告，其中，所述报告用于指示所述终端发生了非必要切换。
结合第二方面的一些实施例。在一些实施例中，所述报告包括以下至少之一：非必要切换的目标小区标识；非必要切换的源小区标识；切换指示信息，用于指示所述终端将在第一时长内切换至第一小区；非必要切换的切换类型；非必要切换问题指示：至少一个小区的标识，其中，所述至少一个小区对应的所述第一信息与第二阈值信息之间的关系满足预定义关系。
结合第二方面的一些实施例。在一些实施例中，所述方法还包括：向所述第二节点发送能力信息，其中，所述能力信息用于指示所述终端是否支持根据所述第一配置信息将所述第一信息发送至所述第二节点。
第三方面，本公开的实施例提出了一种信息发送装置，所述装置包括：处理模块，被配置为从第一节点切换到第二节点；发送模块，被配置为根据第一配置信息发送第一信息至所述第二节点，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
第四方面，本公开的实施例提出了一种信息接收装置，所述装置包括：接收模块，被配置为接收所述终端从第一节点切换到第二节点后，根据第一测量配置信息发送的第一信息，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
第五方面，本公开的实施例提出了一种终端，包括：一个或多个处理器；其中，所述终端用于执行第一方面、第一方面的可选实施例中任一项所述的信息发送方法。
第六方面，本公开的实施例提出了一种节点，包括：一个或多个处理器；其中，所述节点用于执行第二方面、第二方面的可选实施例中任一项所述的信息接收方法。
第七方面，本公开的实施例提出了一种通信系统，包括终端、第二节点，其中，所述终端被配置为实现第一方面、第一方面的可选实施例中任一项所述的信息发送方法，所述第二节点被配置为实现第二方面、第二方面的可选实施例中任一项所述的信息接收方法。
第八方面，本公开的实施例提出了一种存储介质，所述存储介质存储有指令，当所述指令在通信设备上运行时，使得所述通信设备执行第一方面、第一方面的可选实施例中任一项所述的信息发送方法，和/或，第二方面、第二方面的可选实施例中任一项所述的信息接收方法。
第九方面，本公开实施例提出了程序产品，上述程序产品被通信设备执行时，使得上述通信设备执行第一方面、第一方面的可选实施例中任一项所述的信息发送方法，和/或，第二方面、第二方面的可选实施例中任一项所述的信息接收方法。
第十方面，本公开实施例提出了计算机程序，当其在计算机上运行时，使得计算机执行第一方面、第一方面的可选实施例中任一项所述的信息发送方法，和/或，第二方面、第二方面的可选实施例中任一项所述的信息接收方法。
可以理解地，上述信息发送、接收装置、通信设备、通信系统、存储介质、程序产品、计算机程序均用于执行本公开实施例所提出的方法。因此，其所能达到的有益效果可以参考对应方法中的有益效果，此处不再赘述。
本公开实施例提出了信息发送、接收方法和装置、通信系统和存储介质。在一些实施例中，信息发送、接收方法与信息处理方法、通信方法等术语可以相互替换，信息发送、接收装置与信息处理装置、通信装置等术语可以相互替换，信息处理系统、通信系统等术语可以相互替换。
本公开实施例并非穷举，仅为部分实施例的示意，不作为对本公开保护范围的具体限制。在不矛盾的情况下，某一实施例中的每个步骤均可以作为独立实施例来实施，且各步骤之间可以任意组合，例如，在某一实施例中去除部分步骤后的方案也可以作为独立实施例来实施，且在某一实施例中各步骤的顺序可以任意交换，另外，某一实施例中的可选实现方式可以任意组合；此外，各实施例之间可以任意组合，例如，不同实施例的部分或全部步骤可以任意组合，某一实施例可以与其他实施例的可选实现方式任意组合。
在各本公开实施例中，如果没有特殊说明以及逻辑冲突，各实施例之间的术语和/或描述具有一致性，且可以互相引用，不同实施例中的技术特征根据其内在的逻辑关系 可以组合形成新的实施例。
本公开实施例中所使用的术语只是为了描述特定实施例的目的，而并非作为对本公开的限制。
在本公开实施例中，除非另有说明，以单数形式表示的元素，如“一个”、“一种”、“该”、“上述”、“所述”、“前述”、“这一”等，可以表示“一个且只有一个”，也可以表示“一个或多个”、“至少一个”等。
例如，在翻译中使用如英语中的“a”、“an”、“the”等冠词(article)的情况下，冠词之后的名词可以理解为单数表达形式，也可以理解为复数表达形式。
在本公开实施例中，“多个”是指两个或两个以上。
在一些实施例中，“至少一者(至少一项、至少一个)(at least one of)”、“一个或多个(one or more)”、“多个(a plurality of)”、“多个(multiple)等术语可以相互替换。
在一些实施例中，“A、B中的至少一者”、“A和/或B”、“在一情况下A，在另一情况下B”、“响应于一情况A，响应于另一情况B”等记载方式，根据情况可以包括以下技术方案：在一些实施例中A(与B无关地执行A)；在一些实施例中B(与A无关地执行B)；在一些实施例中从A和B中选择执行(A和B被选择性执行)；在一些实施例中A和B(A和B都被执行)。当有A、B、C等更多分支时也类似上述。
在一些实施例中，“A或B”等记载方式，根据情况可以包括以下技术方案：在一些实施例中A(与B无关地执行A)；在一些实施例中B(与A无关地执行B)；在一些实施例中从A和B中选择执行(A和B被选择性执行)。当有A、B、C等更多分支时也类似上述。
本公开实施例中的“第一”、“第二”等前缀词，仅仅为了区分不同的描述对象，不对描述对象的位置、顺序、优先级、数量或内容等构成限制，对描述对象的陈述参见权利要求或实施例中上下文的描述，不应因为使用前缀词而构成多余的限制。
例如，描述对象为“字段”，则“第一字段”和“第二字段”中“字段”之前的序数词并不限制“字段”之间的位置或顺序，“第一”和“第二”并不限制其修饰的“字段”是否在同一个消息中，也不限制“第一字段”和“第二字段”的先后顺序。再如，描述对象为“等级”，则“第一等级”和“第二等级”中“等级”之前的序数词并不限制“等级”之间的优先级。再如，描述对象的数量并不受序数词的限制，可以是一个或者多个，以“第一装置”为例，其中“装置”的数量可以是一个或者多个。此外，不同前缀词修饰的对象可以相同或不同，例如，描述对象为“装置”，则“第一装置”和“第二装置”可以是相同的装置或者不同的装置，其类型可以相同或不同；再如，描述对象为“信息”，则“第一信息”和“第二信息”可以是相同的信息或者不同的信息，其内容可以相同或不同。
在一些实施例中，“包括A”、“包含A”、“用于指示A”、“携带A”，可以解释为直接携带A，也可以解释为间接指示A。
在一些实施例中，“响应于……”、“响应于确定……”、“在……的情况下”、“在……时”、“当……时”、“若……”、“如果……”等术语可以相互替换。
在一些实施例中，“大于”、“大于或等于”、“不小于”、“多于”、“多于或等于”、“不少于”、“高于”、“高于或等于”、“不低于”、“以上”等术语可以相互替换，“小于”、“小于或等于”、“不大于”、“少于”、“少于或等于”、 “不多于”、“低于”、“低于或等于”、“不高于”、“以下”等术语可以相互替换。
在一些实施例中，装置等可以解释为实体的、也可以解释为虚拟的，其名称不限定于实施例中所记载的名称，“装置”、“设备(equipment)”、“设备(device)”、“电路”、“网元”、“节点”、“功能”、“单元”、“部件(section)”、“系统”、“网络”、“芯片”、“芯片系统”、“实体”、“主体”等术语可以相互替换。
在一些实施例中，“网络”可以解释为网络中包含的装置(例如，接入网设备、核心网设备等)。
在一些实施例中，“接入网设备(access network device，AN device)”、“无线接入网设备(radio access network device，RAN device)”、“基站(base station，BS)”、“无线基站(radio base station)”、“固定台(fixed station)”、“节点(node)”、“接入点(access point)”、“发送点(transmission point，TP)”、“接收点(reception point，RP)”、“发送接收点(transmission/reception point，TRP)”、“面板(panel)”、“天线面板(antenna panel)”、“天线阵列(antenna array)”、“小区(cell)”、“宏小区(macro cell)”、“小型小区(small cell)”、“毫微微小区(femto cell)”、“微微小区(pico cell)”、“扇区(sector)”、“小区组(cell group)”、“服务小区”、“载波(carrier)”、“分量载波(component carrier)”、“带宽部分(bandwidth part，BWP)”等术语可以相互替换。
在一些实施例中，“终端(terminal)”、“终端设备(terminal device)”、“用户设备(user equipment，UE)”、“用户终端(user terminal)”、“移动台(mobile station，MS)”、“移动终端(mobile terminal，MT)”、订户站(subscriber station)、移动单元(mobile unit)、订户单元(subscriber unit)、无线单元(wireless unit)、远程单元(remote unit)、移动设备(mobile device)、无线设备(wireless device)、无线通信设备(wireless communication device)、远程设备(remote device)、移动订户站(mobile subscriber station)、接入终端(access terminal)、移动终端(mobile terminal)、无线终端(wireless terminal)、远程终端(remote terminal)、手持设备(handset)、用户代理(user agent)、移动客户端(mobile client)、客户端(client)等术语可以相互替换。
在一些实施例中，接入网设备、核心网设备、或网络设备可以被替换为终端。例如，针对将接入网设备、核心网设备、或网络设备以及终端间的通信置换为多个终端间的通信(例如，设备对设备(device-to-device，D2D)、车联网(vehicle-to-everything，V2X)等)的结构，也可以应用本公开的各实施例。在该情况下，也可以设为终端具有接入网设备所具有的全部或部分功能的结构。此外，“上行”、“下行”等术语也可以被替换为与终端间通信对应的术语(例如，“侧行(side)”)。例如，上行信道、下行信道等可以被替换为侧行信道，上行链路、下行链路等可以被替换为侧行链路。
在一些实施例中，终端可以被替换为接入网设备、核心网设备、或网络设备。在该情况下，也可以设为接入网设备、核心网设备、或网络设备具有终端所具有的全部或部分功能的结构。
在一些实施例中，获取数据、信息等可以遵照所在地国家的法律法规。
在一些实施例中，可以在得到用户同意后获取数据、信息等。
此外，本公开实施例的表格中的每一元素、每一行、或每一列均可以作为独立实施例来实施，任意元素、任意行、任意列的组合也可以作为独立实施例来实施。
图1是根据本公开实施例示出的通信系统的架构示意图。
如图1所示，通信系统100包括终端(terminal)101、第二节点102和第三节点103，其中，第一节点、第二节点例如可以包括网络设备、小区、中继设备、非地面网络中的卫星等，网络设备包括以下至少之一：接入网设备、核心网设备(core network device)。
在一些实施例中，终端101例如包括手机(mobile phone)、可穿戴设备、物联网设备、具备通信功能的汽车、智能汽车、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、工业控制(industrial control)中的无线终端设备、无人驾驶(self-driving)中的无线终端设备、远程手术(remote medical surgery)中的无线终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备、智慧家庭(smart home)中的无线终端设备中的至少一者，但不限于此。
在一些实施例中，接入网设备例如是将终端接入到无线网络的节点或设备，接入网设备可以包括5G通信系统中的演进节点B(evolved NodeB，eNB)、下一代演进节点B(next generation eNB，ng-eNB)、下一代节点B(next generation NodeB，gNB)、节点B(node B，NB)、家庭节点B(home node B，HNB)、家庭演进节点B(home evolved nodeB，HeNB)、无线回传设备、无线网络控制器(radio network controller，RNC)、基站控制器(base station controller，BSC)、基站收发台(base transceiver station，BTS)、基带单元(base band unit，BBU)、移动交换中心、6G通信系统中的基站、开放型基站(Open RAN)、云基站(Cloud RAN)、其他通信系统中的基站、Wi-Fi系统中的接入节点中的至少一者，但不限于此。
在一些实施例中，核心网设备可以是一个设备，包括一个或多个网元，也可以是多个设备或设备群，分别包括上述一个或多个网元中的全部或部分。网元可以是虚拟的，也可以是实体的。核心网例如包括演进分组核心(Evolved Packet Core，EPC)、5G核心网络(5G Core Network，5GCN)、下一代核心(Next Generation Core，NGC)中的至少一者。
在一些实施例中，本公开的技术方案可适用于Open RAN架构，此时，本公开实施例所涉及的接入网设备间或者接入网设备内的接口可变为Open RAN的内部接口，这些内部接口之间的流程和信息交互可以通过软件或者程序实现。
在一些实施例中，接入网设备可以由集中单元(central unit，CU)与分布式单元(distributed unit，DU)组成的，其中，CU也可以称为控制单元(control unit)，采用CU-DU的结构可以将接入网设备的协议层拆分开，部分协议层的功能放在CU集中控制，剩下部分或全部协议层的功能分布在DU中，由CU集中控制DU，但不限于此。
可以理解的是，本公开实施例描述的通信系统是为了更加清楚的说明本公开实施例的技术方案，并不构成对于本公开实施例提出的技术方案的限定，本领域普通技术人员可知，随着系统架构的演变和新业务场景的出现，本公开实施例提出的技术方案对于类似的技术问题同样适用。
下述本公开实施例可以应用于图1所示的通信系统100、或部分主体，但不限于此。图1所示的各主体是例示，通信系统可以包括图1中的全部或部分主体，也可以包括图1以外的其他主体，各主体数量和形态为任意，各主体可以是实体的也可以是虚拟的，各主体之间的连接关系是例示，各主体之间可以不连接也可以连接，其连接可以是任意方式，可以是直接连接也可以是间接连接，可以是有线连接也可以是无线连接。
本公开各实施例可以应用于长期演进(Long Term Evolution，LTE)、LTE-Advanced (LTE-A)、LTE-Beyond(LTE-B)、SUPER 3G、IMT-Advanced、第四代移动通信系统(4th generation mobile communication system，4G)、)、第五代移动通信系统(5th generation mobile communication system，5G)、5G新空口(new radio，NR)、未来无线接入(Future Radio Access，FRA)、新无线接入技术(New-Radio Access Technology，RAT)、新无线(New Radio，NR)、新无线接入(New radio access，NX)、未来一代无线接入(Future generation radio access，FX)、Global System for Mobile communications(GSM(注册商标))、CDMA2000、超移动宽带(Ultra Mobile Broadband，UMB)、IEEE 802.11(Wi-Fi(注册商标))、IEEE 802.16(WiMAX(注册商标))、IEEE 802.20、超宽带(Ultra-WideBand，UWB)、蓝牙(Bluetooth(注册商标))、陆上公用移动通信网(Public Land Mobile Network，PLMN)网络、设备到设备(Device-to-Device，D2D)系统、机器到机器(Machine to Machine，M2M)系统、物联网(Internet of Things，IoT)系统、车联网(Vehicle-to-Everything，V2X)、利用其他通信方法的系统、基于它们而扩展的下一代系统等。此外，也可以将多个系统组合(例如，LTE或者LTE-A与5G的组合等)应用。
在一些实施例中，终端在无线网络的小区中通信时，可以在小区之间执行切换操作，从而从源(source)小区切换至目标(target)小区。其中，当源小区和目标小区为不同节点的小区时，终端从源小区切换至目标小区也属于节点间切换。
在一些实施例中，终端切换小区的操作可以由网络设备来指示，例如，网络设备可以将终端对小区测量得到的测量结果与切换阈值进行比较，并根据比较结果确定是否指示终端切换小区。例如在确定需要指示终端切换小区的情况下，可以通过信令指示终端切换到目标小区，或者切换到目标节点，其中，信令例如可以包括无线资源控制(Radio Resource Control，RRC)信令，也可以包括其他信令。进而终端根据网络设备发送的信令，可以执行切换操作，例如切换到信令所指示的目标小区或目标节点。
而在一些情况下，出于某些原因，例如切换阈值设置的不合理，会导致终端从源小区切换到目标小区后，又切换回源小区，那么终端执行的切换操作就是非必要的，这会对网络资源造成浪费。
图2A是根据本公开的实施例示出的一种信息发送方法的交互示意图。
如图2A所示，信息发送方法可以包括以下步骤：
在步骤S201中，终端从第一节点切换到第二节点。
在一些实施例中，第一节点可以指代网络设备(例如基站)或小区。
在一些实施例中，第二节点可以指代网络设备(例如基站)或小区。
在一些实施例中，终端可以根据第一配置信息发送第一信息至第二节点。
例如，第一配置信息可以指示用于发送第一信息的资源。终端根据第一配置信息发送第一信息至第二节点，可以是指终端在第一配置信息所指示的资源上将第一信息发送至第二节点。
例如，第一配置信息可以包括终端测量小区的测量配置信息，例如用于指示需要测量的小区、测量操作所在的资源等。终端根据第一配置信息发送第一信息至第二节点，可以是指终端根据第一配置信息对小区进行测量，并将测量得到的测量结果，即第一信息，发送至第二节点。
在一些实施例中，第一信息用于第二节点确定终端是否发生了非必要切换。例如第二节点根据第一信息，可以确定终端从第一节点切换到第二节点的操作是否非必要切 换。关于第一信息如何用于第二节点确定终端是否发生了非必要切换，此处暂不展开，在后续实施例进行说明。
根据本公开的实施例，终端根据第一配置信息向第二节点发送第一信息，第二节点根据第一信息可以确定终端是否发生了非必要切换，以便第二节点或其他网络设备能够在终端发生了非必要切换的情况下实行适当的调整，有利于避免后续再次发生非必要切换而造成资源浪费。
在一些实施例中，第一配置信息包括以下至少之一：
第一测量配置信息；
第一范围信息；
第一时间信息；
第一阈值信息。
例如，第一测量配置可以指示终端执行测量操作的资源(例如时域资源、频域资源)，终端可以在第一测量配置所指示的资源上执行测量操作。
例如，第一配置信息与LTM相关。
例如，第一范围信息可以指示终端执行测量操作的范围，例如指示终端所需测量的小区，其中，终端所需测量的小区可以包括一个或多个LTM(层1或层2触发的移动性，L1/L2-Triggered Mobility)候选小区。例如，第一范围信息包括LTM相关覆盖信息，所述LTM相关覆盖信息包括一个或多个LTM候选小区。
例如，第一时间信息可以指示终端执行测量操作的时间范围(例如可以通过周期表征)，终端可以对该时间范围内得到的第一信息进行评估，并将满足评估条件的第一信息发送至第二节点。例如，第一时间信息包括LTM相关测量周期，所述LTM相关测量周期用于评估一定时间内的小区信号质量。
例如，第一阈值信息可以包括以下至少之一：记录阈值、评估阈值，终端在得到第一信息后，可以将第一信息与记录阈值进行比较，若与记录阈值满足预定义关系(例如第一信息大于评估阈值、或第一信息小于评估阈值、或第一信息等于评估阈值)，终端可以记录第一信息。
进一步地，终端可以将第一信息与评估阈值进行比较，若与评估阈值满足预定义关系(例如第一信息大于评估阈值、或第一信息小于评估阈值、或第一信息等于评估阈值)，终端确定第一信息满足评估阈值，进而将第一信息发送至第二节点。
其中，第一阈值信息可以包括以下至少之一：RSRP(Reference Signal Receiving Power，参考信号接收功率)阈值、RSRQ(Reference Signal Receiving Quality，参考信号接收质量)阈值、SINR(Signal to Interference plus Noise Ratio，信号与干扰噪声比阈值)阈值。
需要说明的是，第一配置信息除了可以供终端执行评估操作，还可以供第二节点进行执行评估操作，例如第二节点可以根据第一配置信息中的第一范围信息、第一时间信息、第一阈值信息等信息，确定终端是否发生了非必要切换，具体在后续实施例中说明。
在一些实施例中，关于第一配置信息，例如，第一配置信息为终端预先存储的；例如，第一配置信息由第一节点发送至终端；例如，第一配置信息由第二节点发送至终端；例如，第一配置信息由第一节点发送至第二节点后，由第二节点发送至终端，当然， 并不限于由第一节点发送至第二节点，也可以由其他设备发送至第二节点，具体请参考后文实施例。
在一些实施例中，终端在从第一节点切换到第二节点之前，在第一节点的小区(例如小区#0)中时，可以根据第一配置信息执行测量操作，例如测量小区#1至小区#n(共n个小区)的信号强度，并将测量结果发送至第一节点。第一节点基于测量结果可以指示终端执行切换操作，例如第一节点基于切换阈值，确定终端需要切换至上述n个小区中的小区#1，而小区#1位第二节点的小区，从而指示终端切换第二节点(例如切换至第二节点的小区#1)。
但是，由于终端从第一节点切换到第二节点，可能是非必要切换，因此，终端在切换到第二节点后，仍然可以根据第一配置信息对上述n个小区执行测量操作，并将测量得到的第一信息发送至第二节点，第二节点可以根据第一信息(例如包括对n个小区中每个小区测量的测量结果)，确定终端是否发生了非必要切换，例如确定终端从第一节点切换到第二节点是否为非必要切换。
而终端在第二节点确定第一信息所基于的第一配置信息，可以是终端预先存储的，例如终端基于协议约定确定的；
或者，第一配置信息可以是终端在第一节点时，由第一节点发送至终端，并且终端在切换至第二节点后并未删除第一配置；
或者，第一配置信息在终端切换至第二节点后，由第二节点发送至终端，例如，第一配置信息可以由其他网络设备，例如核心网、OAM(Operation Administration and Maintenance，操作维护管理)、第一节点发送至第二节点。
其中，在第一配置信息由其他网络设备发送至第二节点时，其他设备还可以向第二节点发送指示信息(例如包括终端的标识)，指示信息用于指示终端，以便第二节点可以将第一配置信息发送至终端。
需要说明的是，测量结果可以包括以下至少之一：无线资源管理(Radio Resource Management，RRM)测量结果，L1测量结果、基于LTM测量配置得到的测量结果。测量结果的例如可以是小区级(cell-level)的，也可以是波束(beam)级别的，例如针对一个或多个波束测量得到的结果，所测量的波束可以是终端自主选择的，或者是网络设备指示的，或者为基于协议确定的。
在一些实施例中，第二节点根据第一信息确定终端发生了非必要切换，可以向第一节点发送报告，报告用于指示终端发生了非必要切换。
据此，第一节点根据第二节点的报告，可以确定终端发生了非必要切换，例如确定终端从第一节点切换到第二节点为非必要操作，从而适当调整触发第一节点指示终端执行切换操作的相关参数，以便避免后续再次触发第一节点指示终端发生非必要切换而造成资源浪费。
需要说明的是，第二节点在确定终端发生了非必要切换的情况下，可以如前文实施例所示，将用于指示终端发生了非必要且切换的报告发送至第一节点，也可以将报告发送至其他网络设备，例如发送至核心网、OAM或其他节点(第一节点、第二节点以外的节点)。
在一些实施例中，触发第一节点指示终端执行切换操作的相关参数可以包括以下至少之一：切换阈值、测量资源(例如时域资源、频域资源)、测量对象(例如小区)。
以第一节点基于切换阈值指示终端从第一节点切换到第二节点为例。终端根据第 一配置信息对n个小区进行测量，并将得到的测量结果发送至第一节点，第一节点将测量结果与切换阈值比较，当存在大于切换阈值的测量结果，可以指示终端切换到大于切换阈值的测量结果对应的小区(例如第二节点的小区)。
当第一节点根据第二节点的报告确定终端发生了非必要切换，可以对切换阈值进行适当调整，例如调整为更大，或者调整为更小，具体如何调整，取决于第一节点实现。以便后续基于调整后的切换阈值触第一节点中的终端执行切换操作时，可以尽量避免指示终端执行切换操作为非必要切换。
在一些实施例中，第二节点接收到第一信息后，可以确定第一信息与第二阈值信息之间的关系是否满足预定义关系，例如，第二阈值信息可以指示第二阈值。其中，预定义关系包括以下至少之一：第一信息大于第二阈值、第一信息小于第二阈值、第一信息等于第二阈值。
例如，第二阈值信息可以指示第二阈值，例如第二阈值包括LTM相关信号质量阈值，例如具体可以包括RSRP阈值、RSRQ阈值、SINR阈值中至少一项。
例如，第二节点根据第一信息确定终端是否发生非必要切换，可以包括确定第一信息与第二阈值信息(例如第二阈值信息指示的第二阈值)是否满足预定义关系，当第一信息与第二阈值信息满足预定义关系，第二节点可以确定终端发生了非必要切换，从而向第一节点发送报告，报告可以向第一节点指示终端发生了非必要切换。
需要说明的是，第一信息与第二阈值信息之间的关系是否满足预定义关系，可以包括以下至少之一：第一信息与第二阈值信息之间的关系一次满足预定义关系，或者，第一信息与第二阈值信息之间的关系多次(次数可以基于协议约定确定，或由网络设备指示)满足预定义关系，或者，第一信息与第二阈值信息之间的关系始终满足预定义关系。
例如，终端根据第一配置信息可以对n(n为对于或等于1的值)个小区进行测量，从而得到n个测量结果，例如一个测量结果可以称作一个第一信息。
例如，第二节点接收到n个第一信息后，可以将其中的每个第一信息分别与第二阈值进行比较，若至少一个第一信息与第二阈值之间满足预定义关系，例如至少一个第一信息大于第二阈值，可以确定第一信息与第二阈值满足预定义关系。
例如，第二节点接收到n个第一信息后，可以将其中的每个第一信息分别与第二阈值进行比较，若n个第一信息中m个第一信息与第二阈值之间满足预定义关系，例如m个第一信息都大于第二阈值，可以确定第一信息与第二阈值满足预定义关系。其中，m为为大于或等于上述示例中次数的值。
例如，第二节点接收到n个第一信息后，可以将其中的每个第一信息分别与第二阈值进行比较，若每个第一信息与第二阈值之间满足预定义关系，例如每个第一信息都大于第二阈值，可以确定第一信息与第二阈值满足预定义关系。
例如，终端发送至第二节点的第一信息，可以为包括n个第一信息，多个信息对应终端根据第一配置信息对n个小区测量得到测量结果，每个第一信息对应终端对一个小区测量的测量结果。
第二节点接收到n个第一信息后，可以将每个第一信息分别与第二阈值信息进行比较，从而确定第一信息与第二阈值信息之间的关系是否满足预定义关系。在第一信息与第二阈值信息之间的关系满足预定义关系的情况下，第二节点可以确定终端发生了非必要切换，从而向第一节点发送报告。
以预定义关系包括第一信息大于第二阈值为例，当存在大于第二阈值的第一信息，且大于第二阈值的第一信息为终端对第一节点的小区测量得到第一信息，那么第二节点可以确定第一节点的小区中仍然存在能够为终端提供满足要求的服务的小区，所以终端并非必要切换到第二节点，因此可以确定终端从第一节点切换到第二节点为非必要切换。
在一些实施例中，第一配置信息包括第一范围信息，例如第一范围信息所指示的小区可以包括LTM候选小区，终端对第一范围信息所指示的一个或多个小区进行测量，并将测量结果(例如包含于第一信息)发送至给第二节点。第二节点可以从第一节点接收第一配置信息，第二节点基于第一配置信息中的第一时间信息和/或第一阈值信息，可以确定在第一时间信息所指示的时间范围内满足预定义关系的小区。当确定到预定义关系的小区，第二节点可以确定终端发生了非必要切换。
在一些实施例中，第一配置信息包括第一时间信息，例如第一时间信息用于指示终端执行测量操作的周期，终端在第一时间信息指示的周期内对一个或多个邻小区进行测量，并将得到测量结果(例如包含于第一信息)发送给第二节点。第二节点可以从第一节点接收第一配置信息，第二节点基于第一范围信息和/或第一阈值信息，确定在第一时间信息指示的周期内满足预定义关系的小区。当确定到预定义关系的小区，第二节点可以确定终端发生了非必要切换。
在一些实施例中，报告包括以下至少之一：
非必要切换的目标小区标识；
非必要切换的源小区标识；
切换指示信息，用于指示终端将在第一时长内切换至第一小区；
非必要切换的切换类型；
非必要切换问题指示：
至少一个小区的标识，其中，至少一个小区对应的第一信息与第二阈值信息之间的关系满足预定义关系。
在一些实施例中，在报告用于报告非必要切换的目标小区标识的情况下，报告可以指示非必要切换的目标小区是否为LTM候选小区，例如非必要切换的目标小区可以包括终端切换到第二节点后所在的小区。
在一些实施例中，在报告用于报告非必要切换的源小区标识的情况下，报告可以指示非必要切换的源小区是否为LTM候选小区，例如非必要切换的源小区可以包括终端在第一节点下时所在的小区。
在一些实施例中，第二节点可以预测终端将要在第一时长内切换至第一小区，并通过切换指示信息向第一节点指示，终端将要在第一时长内切换至第一小区。
在一些实施例中，报告可以向第一节点指示非必要切换(Unnecessary HandOver)的切换类型，切换类型可以包括以下至少之一：普通切换、条件切换(Conditional HandOver，CHO)、双活动协议栈(Dual Active Protocol Stack，DAPS)切换、LTM切换。
在一些实施例中，报告可以向第一节点指示非必要切换问题。例如，非必要切换问题可以包括发生非必要切换的终端的信息，例如发生非必要切换的终端是否有配置有LTM配置。当然，非必要切换问题并不限于发生非必要切换的终端的信息，还可以包括 其他信息，例如发生非必要切换的原因、发生非必要切换的时间等。
在一些实施例中，终端发送至第二节点的第一信息，可以为包括n个第一信息，多个信息对应终端根据第一配置信息对n个小区测量得到测量结果，每个第一信息对应终端对一个小区测量的测量结果。
第二节点可以将每个第一信息分别与第二阈值信息进行比较，从而确定第一信息与第二阈值信息之间的关系是否满足预定义关系，进而可以确定与第二阈值信息之间的关系满足预定义关系的第一信息对应的至少一个小区，并将至少一个小区的标识携带在报告中发送至第一节点。
在一些实施例中，当终端从第一节点切换到第二节点后，切换至第一小区，例如终端在较短的时间范围内(例如从切换到第二节点开始的第一时长阈值内)切换至第一小区，第二节点可以不向第一节点发送用于指示终端发生了非必要切换的报告。例如，在第一时长阈值内终端切换至第一小区，第一信息不用于第二节点确定终端发生了非必要切换。
例如，第二节点可以识别第一小区是否属于第一小区集合。若第一小区属于第一小区集合，第二节点可以不向第一节点发送用于指示终端发生了非必要切换的报告；若第一小区不属于第一小区集合，第二节点可以向第一节点发送用于指示终端发生了非必要切换的报告。
需要说明的是，第一小区集合可以为协议约定的，或者由核心网、OAM等其他网络设备指示，本公开对此并不限制。以下以第一小区集合为第一节点的小区构成的小区集合为例，对本公开的技术方案进行示例性说明。
若第一小区为第一节点的小区，第二节点可以确定终端在较短的时间内切换回第一节点，非必要切换的情况并不严重，那么可以不根据第一信息确定终端发生了非必要切换，从而不向第一节点发送用于指示终端发生了非必要切换的报告，或者，即使第二节点已经根据第一信息确定了终端发生非必要切换，也可以不向第一节点发送用于指示终端发生了非必要切换的报告。
需要说明的是，在一些实施例中，若第一小区为第一节点的小区，第二节点仍然可以根据第一信息确定终端发生了非必要切换，并将用于指示终端发生了非必要切换的报告发送至第一节点。
若第一小区为第一节点以外的小区，第二节点可以根据第一信息确定终端发生了非必要切换，并将用于指示终端发生了非必要切换的报告发送至第一节点。
在一些实施例中，终端在从第一节点切换到第二节点后，可以再次执行切换操作，例如切换至第一小区，第二节点可以识别第一小区是否属于第二小区集合。若第一小区属于第二小区集合，第二节点可以向第一节点发送用于指示终端发生了非必要切换的报告；若第一小区不属于第二小区集合，第二节点可以不向第一节点发送用于指示终端发生了非必要切换的报告。
需要说明的是，第一小区集合可以为协议约定的，或者由核心网、OAM等其他网络设备指示，本公开对此并不限制。以下以第二小区集合为LTM配置中的LTM候选小区构成的小区集合为例，对本公开的技术方案进行示例性说明。
例如，第二节点确定终端切换到的第一小区为LTM配置中的LTM候选小区，那么可以确定终端先从第一节点中通过LTM切换以外的其他切换方式切换到第二节点，进而才切换到了LTM配置中的LTM候选小区，但是在这种情况下，终端可以直接从第一 节点切换到LTM候选小区(例如终端配置有LTM配置)，所以可以将终端从第一节点切换到第二节点的操作确定为非必要切换。
例如，其他切换可以包括以下至少之一：普通切换、条件切换、双活动协议栈切换。
在一些实施例中，第一节点中可以存储多个切换阈值，例如用于触发LTM切换的LTM切换阈值，用于触发其他切换的其他切换阈值。
例如LTM切换阈值相对较高，其他切换阈值相对较低，终端在根据第一配置信息执行测量操作并向第一节点上报测量结果后，第一节点确定存在比其他切换阈值大的测量结果，但是该测量结果小于LTM切换阈值，从而导致第一节点指示终端执行其他切换操作，例如切换到第二节点。
而在终端切换到第二节点后，又切换到LTM配置中的LTM候选小区，在这种情况下，第二节点根据终端上报的第一信息，可以确定终端从第一节点切换到第二节点为非必要切换，并向第一节点发送报告，以指示终端发生了非必要切换。
第一节点接收到第二节点的报告，可以确定终端发生了非必要切换，可以选择调整LTM切换阈值和/或其他切换阈值，例如降低LTM切换阈值，和/或，提高其他切换阈值，以免后续第一节点下的终端又在能够切换到LTM候选小区情况下，通过其他切换方式切换到了第二节点。
关于LTM切换，在LTM场景中，网络设备可以为终端配置LTM配置信息，LTM配置信息中包含LTM候选小区(可以为一个小区，也可以为多个小区构成的小区组)，还可以包含在候选小区中用于通信的相关信息。
终端可以进行LTM小区切换，例如网络设备可以通过层1(例如通过下行控制信息(Downlink Control Information，DCI))或层2(例如通过媒体接入控制层控制单元(Media Access Control Element，MAC CE))指示终端变更小区，例如指示终端将所在小区从候选小区#1变更为候选小区#2。
由于在候选小区中用于通信的相关信息是网络设备通过LTM配置预先配置给终端的，终端在切换到候选小区#2后，网络设备不必再为终端配置在候选小区#2中用于通信的相关信息，有利于终端可以尽快完成小区切换及通信。
在一些实施例中，终端可以向第二节点发送能力信息，例如，能力信息用于指示终端是否支持根据第一配置信息将第一信息发送至第二节点。
例如，第二节点在确定终端支持根据第一配置信息将第一发送至第二节点，第二节点可以为终端配置用于发送第一信息的资源，还可以预留用于向第一节点发送报告的节点间资源。但是，若第二节点在确定终端不支持根据第一配置信息将第一发送至第二节点，第二节点可以不为终端配置用于发送第一信息的资源，也不必预留用于向第一节点发送报告的节点间资源，以免造成资源浪费。
图2B是根据本公开的实施例示出的另一种信息发送方法的交互示意图。
如图2B所示，终端在第一节点下，例如与第一节点之间存在通信连接，和/或驻留在第一节点的小区中，终端可以根据第一配置信息执行测量操作，并将测量结果发送至第一节点。在步骤S201B中，第一节点可以根据测量结果指示终端从第一节点切换到第二节点。例如，第一节点可以将终端对小区测量得到的测量结果与切换阈值进行比较，并根据比较结果确定是否指示终端切换小区，例如，触发终端切换小区操作的条件可以包括以下至少之一：目标小区的信号强度高于切换阈值，目标节点的小区的信号强度高 于切换阈值。第一节点在确定满足触发条件的情况下，指示终端切换小区，例如可以通过信令指示终端切换到目标小区，或者切换到目标节点(例如目标节点可以包括第二节点)，其中，信令例如可以包括RRC信令，也可以包括其他信令。进而终端根据网络设备发送的信令，可以执行切换操作，例如切换到信令所指示的目标小区(例如第二节点的小区)或目标节点(例如第二节点)。
终端在从第一节点切换到第二节点之前，或者在从第一节点切换到第二节点之后，在步骤S202B中，第一节点可以将第一配置信息发送至第二节点，例如第一节点还可以向第二节点指示终端的标识，以便第二节点可以确定需要将第一配置信息发送至终端。
例如，响应于终端从第一节点切换到第二节点，第一节点将第一配置信息发送给第二节点，用于所述第二节点配置终端执行相关测量记录。第一配置信息包括以下至少之一：第一测量配置信息；第一范围信息；第一时间信息；第一阈值信息。在一些示例中，第一配置信息可以与LTM相关，包括以下至少一项：LTM相关覆盖信息，所述LTM相关覆盖信息包括一个或多个LTM候选小区；LTM相关测量周期，所述LTM相关测量周期用于评估一定时间内的小区信号质量；LTM相关信号质量阈值，包括RSRP、RSRQ、SINR中至少一项，所述LTM相关信号质量阈值用于评估小区是否满足服务条件。
其中，第二节点可以对第一配置信息进行调整(例如调整第一范围信息、第一时间信息、第一阈值信息中至少之一)，也可以不对第一配置信息进行调整。
进一步地，在步骤S203B中，终端从第一节点切换到第二节点。
终端在切换到第二节点之后，在步骤S204B中，第二节点可以将第二配置信息发送至终端(例如终端在切换到第一节点时，已删除在第一节点中执行测量操作的第一配置信息)，其中，第二节点发送至终端的第二配置信息，在一些实施例中，第二配置信息的内容可以与第一配置信息的内容相同，也可以不同，例如第二配置信息可以包含有关具体配置的信息、例如第一范围信息、第一时间信息、第一阈值信息等，第一配置信息除了可以包括这些有关具体配置的信息，还可以包括终端标识，终端标识可以用于指示第二节点需要将第二配置信息发送到的终端。
其中，第二配置信息用于指示终端执行对应测量并将测量结果上报给第二节点。所述第二配置信息包括所述第一配置信息中的一个或多个。例如：LTM相关覆盖信息，所述LTM相关覆盖信息包括一个或多个LTM候选小区；LTM相关测量周期；LTM相关信号质量阈值，包括RSRP、RSRQ、SINR中至少一项，等。其中，响应于接收到所述LTM相关覆盖信息，终端对LTM相关覆盖信息中的一个或多个小区进行测量，并上报测量结果。响应于接收到所述LTM相关测量周期，终端在所述LTM相关测量周期内对一个或多个小区执行测量，并将测量结果上报给网络。所述LTM相关信号质量阈值用于评估小区是否满足服务条件，响应于接收到LTM相关信号质量阈值，终端将高于/低于所述LTM相关信号质量阈值的小区测量结果上报给网络。
终端可以根据第二配置信息进行测量，并在步骤S205B中，将测量得到第一信息(例如，测量结果)发送至第二节点。
在步骤S206B中，第二节点根据第一信息可以确定终端是否发生了非必要切换，例如确定终端从第一节点切换到第二节点是否为非必要切换。在确定终端发生了非必要切换的情况下，在步骤S207B中，可以向第一节点发送报告，报告用于指示终端发生了非必要切换。
在一些示例中，终端从第一节点切换第二节点，终端可以根据第一配置信息发送 第一信息至所述第二节点，第二节点可以根据第一信息确定终端是否发生了非必要切换。其中，例如第二节点根据第一信息确定终端发生了非必要切换，向第一节点发送第一报告，例如第二节点根据第一信息确定终端未发生非必要切换，则不必向第一节点发送第一报告，也即，第二节点可以根据第一信息确定是否向第一节点发送第一报告。
例如，以第一信息包括终端根据第一配置信息进行测量(例如对小区的信号强度)得到测量结果为例，所述第二节点根据终端上报的测量结果确定是否发送第一报告给第一节点，包括：响应于存在第一小区在一定周期内高于/低于一定阈值，发送第一报告信息给第一节点，所述第一报告信息指示发生了LTM相关的非必要切换。其中，所述小区可以属于所述LTM测量范围，所述阈值/周期可以由第一节点配置或者协议约定。
在一些实施例中，第一节点可以将第一配置信息发送至第二节点，第二节点可以根据第一配置信息确定第二配置信息，并将第二配置信息发送至终端。
例如，第二配置信息可以与第一配置信息相同，例如第一配置信息包含有关具体配置的信息，例如以下至少之一：第一测量配置信息；第一范围信息；第一时间信息；第一阈值信息。第二配置也可以包括这些具体配置的信息。
例如，第二配置信息可以与第一配置信息不同，例如第一配置信息包含有关具体配置的信息，例如以下至少之一：第一测量配置信息；第一范围信息；第一时间信息；第一阈值信息。在此基础上，第一配置信息还可以包括终端的信息，用于指示第二节点需要将第二配置信息发送至哪些终端，其中，第二配置信息只包含第一配置信息中有关具体配置的信息。
例如，第二配置信息包含第一范围信息、第一时间信息和第一阈值信息中至少之一，其中，第一范围信息包括LTM相关覆盖信息，第一时间信息包括LTM相关测量周期。例如，所述第二配置信息包括LTM相关覆盖信息，终端对所述LTM相关配置信息中的一个或多个小区进行测量，并将所述测量报告发送给第二节点，所述第二节点基于第一节点发送的LTM相关测量周期和/或LTM相关信号质量阈值，确定在所述LTM测量周期内高于/低于LTM相关信号质量阈值的小区。其中，LTM相关信号质量阈值在本公开的实施例中，也可以称作第二阈值。
例如，第二配置信息包含第一范围信息、第一时间信息和第一阈值信息中至少之一，其中，第一范围信息包括LTM相关覆盖信息，第一时间信息包括LTM相关测量周期。所述第二配置信息包括LTM相关测量周期，终端在所述LTM相关测量周期内对一个或多个邻小区进行测量，并将所述测量报告发送给第二节点，所述第二节点基于第一节点发送的LTM相关覆盖信息和/或LTM相关信号质量阈值，确定在测量周期内高于/低于所述LTM相关信号质量阈值的属于LTM相关覆盖信息中的小区信息。其中，LTM相关信号质量阈值在本公开的实施例中，也可以称作第二阈值。
在一些实施例中，第二节点确定第一信息与第二阈值信息之间的关系满足预定义关系，第二节点确定所述终端发生了非必要切换。所述第一配置信息中的内容(例如第一时间信息)可以用于终端/第二节点基于配置信息进行测量评估，以基于第一节点的配置信息，确定第一节点中是否存在小区能够提供足够的服务条件(例如对小区测量得到的第一信息与第二阈值信息之间的关系满足预定义关系)，在存在这样的小区的情况下，终端仍然从第一节点被切换到第二节点，即视为一次非必要切换。
所述第一报告信息可以包括以下至少之一：非必要切换目标小区标识，进一步的指示所述目标小区是否为LTM候选小区；非必要切换源小区标识，进一步的指示所述目标小区是否为LTM候选小区；高于/低于所述阈值的一个或多个第一小区标识；指示在 所述一定周期内，终端被切换回第一小区，例如所述第一报告中可以包含非必要切换类型指示(如正常HO,CHO,DAPS,LTM)，又例如所述第一报告中包含LTM相关切换问题指示(如配置有LTM配置的终端的非必要切换)。
在一些实施例中，在第一时长阈值内所述终端切换至第一小区，所述第一信息不用于所述第二节点确定所述终端发生了非必要切换。
例如第一时长包括一定周期，如果在所述一定周期内，终端重新被切换到第一小区，第二节点不需要发送第一报告信息给第一节点。所述第一小区可以为协议约定或者网络配置，例如所述第一小区属于LTM测量范围，例如第一小区属于第一节点的小区。
本公开实施例所涉及的通信方法可以包括步骤S201～步骤S202中的至少一者。例如，步骤S201可以作为独立实施例来实施，步骤S202可以作为独立实施例来实施，步骤S201+S202可以作为独立实施例来实施，但不限于此。
在一些实施例中，步骤S201和S202可以交换顺序或同时执行。
在一些实施例中，步骤S201是可选的，在不同实施例中可以对这些步骤中的一个或多个步骤进行省略或替代。
在一些实施例中，步骤S202是可选的，在不同实施例中可以对这些步骤中的一个或多个步骤进行省略或替代。
在一些实施例中，可参见图2A、图2B所对应的说明书之前或之后记载的其他可选实现方式。
第一方面，本公开的实施例提出了信息发送方法。图3是根据本公开的实施例示出的一种信息发送方法的示意流程图。本实施例所示的信息发送方法可以由终端执行。
如图3所示，所述信息发送方法可以包括以下步骤：
在步骤S301中，从第一节点切换到第二节点；
在步骤S302中，根据第一配置信息发送第一信息至所述第二节点，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
需要说明的是，图3所示实施例可以独立实施，也可以与本公开中至少一个其他实施例结合实施，具体可以根据需要选择，本公开并不限制。
在一些实施例中，所述第一配置信息为所述终端预先存储的；或者，所述第一配置信息由所述第一节点发送至所述终端；或者，所述第一配置信息由所述第二节点发送至所述终端。
在一些实施例中，所述第一配置信息由所述第一节点发送至所述第二节点后，由所述第二节点发送至所述终端。
在一些实施例中，所述第一配置信息包括以下至少之一：第一测量配置信息；第一范围信息；第一时间信息；第一阈值信息。
在一些实施例中，所述第一信息与第二阈值信息之间的关系满足预定义关系，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，在第一时长阈值内所述终端切换至第一小区，所述第一信息不用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，所述终端切换至第一小区，所述第一小区属于LTM配置中的 LTM候选小区，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，所述方法还包括：向所述第二节点发送能力信息，其中，所述能力信息用于指示所述终端是否支持根据所述第一配置信息将所述第一信息发送至所述第二节点。
第一方面、第一方面的可选实施例的可选实现方式可以参见图2A、图2B所示实施例中的可选实现方式、及图2A、图2B所涉及的实施例中其他关联部分，此处不再赘述。
第二方面，本公开的实施例提出了信息接收方法。图4是根据本公开的实施例示出的一种信息接收方法的示意流程图。本实施例所示的信息接收方法可以由第二节点执行。
如图4所示，所述信息接收方法可以包括以下步骤：
在步骤S401中，接收所述终端从第一节点切换到第二节点后，根据第一测量配置信息发送的第一信息，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
需要说明的是，图4所示实施例可以独立实施，也可以与本公开中至少一个其他实施例结合实施，具体可以根据需要选择，本公开并不限制。
在一些实施例中，所述第一配置信息为所述终端预先存储的；或者，所述第一配置信息由所述第一节点发送至所述终端；或者，所述第一配置信息由所述第二节点发送至所述终端。
在一些实施例中，所述第一配置信息由所述第一节点发送至所述第二节点后，由所述第二节点发送至所述终端。
在一些实施例中，所述第一配置信息包括以下至少之一：第一测量配置信息；第一范围信息；第一时间信息；第一阈值信息。
在一些实施例中，所述第一信息与第二阈值信息之间的关系满足预定义关系，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，在第一时长阈值内所述终端切换至第一小区，所述第一信息不用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，所述终端切换至第一小区，所述第一小区属于LTM配置中的LTM候选小区，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，所述方法还包括：响应于所述第一信息用于所述第二节点确定所述终端发生了非必要切换，向所述第一节点发送报告，其中，所述报告用于指示所述终端发生了非必要切换。
在一些实施例中，所述报告包括以下至少之一：非必要切换的目标小区标识；非必要切换的源小区标识；切换指示信息，用于指示所述终端将在第一时长内切换至第一小区；非必要切换的切换类型；非必要切换问题指示：至少一个小区的标识，其中，所述至少一个小区对应的所述第一信息与第二阈值信息之间的关系满足预定义关系。
在一些实施例中，所述方法还包括：向所述第二节点发送能力信息，其中，所述能力信息用于指示所述终端是否支持根据所述第一配置信息将所述第一信息发送至所述第二节点。
第二方面、第二方面的可选实施例的可选实现方式可以参见图2A、图2B所示实施例中的可选实现方式、及图2A、图2B所涉及的实施例中其他关联部分，此处不再赘述。
在一些实施例中，响应于终端从第一节点切换到第二节点，第一节点将LTM相关的第一配置发送给第二节点，用于所述第二节点配置终端执行相关测量记录。
其中，所述第一配置包括但不限于：LTM测量范围，所述LTM测量范围包括一个或多个LTM候选小区；LTM测量周期；LTM测量阈值。
在一些实施例中，响应于切换到第二节点，终端接收第二节点发送的第二配置信息并基于所述第二配置执行测量记录，所述第二配置信息包括以下至少之一：
LTM测量范围，所述LTM测量范围包括一个或多个LTM候选小区，终端对所述LTM测量范围内的小区执行测量并将测量结果上报给所述第二节点；
LTM测量周期，终端在所述LTM测量周期内对所述LTM测量范围执行测量，并将测量报告发送给第二节点；
LTM测量阈值，响应于有小区高于或低于所述LTM测量阈值，将所述小区相关信息上报给所述第二节点。
在一些实施例中，第二节点基于终端上报的测量结果，响应于存在第一小区在一定周期内高于或低于一定阈值，发送第一报告信息给第一节点，所述第一报告信息指示发生了LTM相关的非必要切换。
所述第一报告信息包括以下至少之一：非必要切换目标小区标识，进一步的指示所述目标小区是否为LTM候选小区；非必要切换源小区标识，进一步的指示所述目标小区是否为LTM候选小区；指示在所述一定周期内，终端被切换回第一小区；高于或低于所述阈值的一个或多个第一小区标识。
其中，所述小区可以属于所述LTM测量范围，所述阈值/周期可以由第一节点配置或者协议约定。
另外，如果在所述一定周期内，终端重新被切换到第一小区，第二节点也不需要发送第一报告信息给第一节点。所述第一小区可以为协议约定或者网络配置，例如所述小区属于LTM测量范围。
需要说明的是：
以上所述一个或多个LTM候选小区可以包括LTM切换源小区或者终端接收LTM配置用于触发LTM切换的小区。
以上的小区测量结果可以是RRM测量L1测量结果，也可以是基于LTM测量配置得到的L1测量结果。可以是针对cell-level的测量结果，也可以是针对一个或多个Beam的测量结果，所述一个或多个Beam可以是基于网络配置或者UE自主选择确定，不限定实现方式。
以上“高于或低于所述阈值的一个或多个第一小区标识”可以是一次满足，或者N次满足，或者一直满足，不限定实现方式。
下面描述的是一些可能的实现方式：
1、在本公开的一些实施例中，响应于终端从第一节点切换到第二节点，第二节点接收第一节点发送的LTM相关第一配置信息，根据所述LTM相关第一配置信息配置 终端执行测量上报，并根据终端上报的测量结果确定是否发送第一报告给第一节点，所述第一报告指示发生了LTM相关非必要切换。也可以发给OAM或其他节点。
2、结合上述实施例，在一些实施例中，所述LTM相关第一配置信息包括以下至少一项：
a)LTM相关覆盖信息，所述LTM相关覆盖信息包括一个或多个LTM候选小区；
b)LTM相关测量周期，所述LTM相关测量周期用于评估一定时间内的小区信号质量；
c)LTM相关信号质量阈值，包括RSRP、RSRQ、SINR中至少一项，所述LTM相关信号质量阈值用于评估小区是否满足服务条件。
3、结合上述实施例，在一些实施例中，所述配置终端执行测量上报包括第二节点发送第二配置信息给终端，用于终端执行对应测量并将测量结果上报给第二节点，所述第二配置信息包括所述第一配置信息中的例如以下一个或多个：
a)LTM相关覆盖信息，所述LTM相关覆盖信息包括一个或多个LTM候选小区，响应于接收到所述LTM相关覆盖信息，终端对LTM相关覆盖信息中的一个或多个小区进行测量，并上报测量结果；
b)LTM相关测量周期，响应于接收到所述LTM相关测量周期，终端在所述LTM相关测量周期内对一个或多个小区执行测量，并将测量结果上报给网络；
c)LTM相关信号质量阈值，包括RSRP、RSRQ、SINR中至少一项，所述LTM相关信号质量阈值用于评估小区是否满足服务条件。响应于接收到LTM相关信号质量阈值，终端将高于或低于所述LTM相关信号质量阈值的小区测量结果上报给网络。
4、结合上述实施例，在一些实施例中，所述第二节点根据终端上报的测量结果确定是否发送第一报告给第一节点包括响应于存在第一小区在一定周期内高于/低于一定阈值，发送第一报告信息给第一节点，所述第一报告信息指示发生了LTM相关的非必要切换。其中，所述小区可以属于所述LTM测量范围，所述阈值/周期可以由第一节点配置或者协议约定。
例如，实施例1：所述第二配置信息包括LTM相关覆盖信息，终端对所述LTM相关配置信息中的一个或多个小区进行测量，并将所述测量报告发送给第二节点，所述第二节点基于第一节点发送的LTM相关测量周期和/或LTM相关信号质量阈值，确定在所述LTM测量周期内高于/低于LTM相关信号质量阈值的小区。
例如，实施例2：所述第二配置信息包括LTM相关测量周期，终端在所述LTM相关测量周期内对一个或多个邻小区进行测量，并将所述测量报告发送给第二节点，所述第二节点基于第一节点发送的LTM相关覆盖信息和/或LTM相关信号质量阈值，确定在测量周期内高于/低于所述LTM相关信号质量阈值的属于LTM相关覆盖信息中的小区信息。
存在其他可能的实现方式，此处不再赘述，所述第一配置信息中的内容用于终端/第二节点基于配置信息进行测量评估，以基于第一节点的配置信息，确定第一节点中是否存在小区能够提供足够的服务条件，在存在这样的小区的情况下，终端仍然从第一节点被切换到第二节点，即视为一次非必要切换。
5、结合上述实施例，在一些实施例中，所述第一报告信息包括以下至少之一：
a)非必要切换目标小区标识，进一步的指示所述目标小区是否为LTM候选小区；
b)非必要切换源小区标识，进一步的指示所述目标小区是否为LTM候选小区；
c)指示在所述一定周期内，终端被切换回第一小区。
例如，实施例1：所述第一报告中包含非必要切换类型指示(e.g.normal HO,CHO,DAPS,LTM)。
例如，实施例2：所述第一报告中包含LTM相关切换问题指示(e.g.配置有LTM配置的终端的非必要切换)。
d)高于或低于所述阈值的一个或多个第一小区标识。
6、结合上述实施例，在一些实施例中，如果在所述一定周期内，终端重新被切换到第一小区，第二节点不需要发送第一报告信息给第一节点。所述第一小区可以为协议约定或者网络配置，例如所述小区属于LTM测量范围。
7、结合上述实施例，在一些实施例中，所述第一节点、第二节点、终端为支持所述LTM相关非必要切换的节点或终端，可选的发送能力指示以指示其是否具备所述能力。
在一些实施例中，非必要切换可以是指：终端从第一无线接入技术(Radio Access Technology，RAT)切换到第二RAT，而此后一段时间内，UE检测到第一RAT的信号质量还能够满足当前用户所接收服务的要求，那么这次UE从第一RAT到第二RAT的切换就被认为是一次没有必要的切换(过早的系统间HO而没有连接失败)。
在一些实施例中，这可能是由于源系统触发切换的服务小区门限设置得过高导致的。如果服务小区(如NR小区)阈值设置过高，而另一个系统(如EPS(Evolved Packet System，演进的分组系统))中有信号强度好的小区可用，可能会不必要地触发向另一个系统的切换，导致网络使用效率低下。使用较低的阈值，UE可以在源系统(如5GS(5G system，5G系统))中继续运行。
在一些实施例中，为了能够检测到另一个系统的不必要的HO，当从gNB到另一个系统的系统间HO发生时，gNB节点可以选择在切换准备过程中添加额外的覆盖范围和质量条件信息。另一系统中的RAN节点在接收到这些额外的覆盖和质量信息后，可以指示UE在连接到另一系统的一段时间内继续测量源系统中的小区，并向另一系统中的节点发送测量报告。当源系统节点指定的时间到期时，另一系统的RAN节点可以根据系统间HO过程中接收到的覆盖/质量状况对接收到的测量报告进行评估，并决定是否将系统间不必要的HO报告发送给源系统的gNB。
在一些实施例中，仅当在测量期间收集的所有UE测量报告中，源系统中的任何小区超过无线电覆盖和/或质量阈值(无线电阈值RSRP，RSRQ或/和SINR以及测量周期在切换准备程序中的附加覆盖和质量信息中指明)，目标RAT会向源RAT发送HO报告。如果在指定的测量周期内从EPS执行向5GS的系统间切换，测量周期到期。在这种情况下，EPS中的eNB可能会发送HO报告。如果没有NR小区可以包含，或者如果指定的时间周期因系统间切换到不同于5GS的系统而中断，则不应发送HO报告。
在一些实施例中，源系统(5GS)中的RAN节点在收到报告后，可以决定是否/如何调整其参数(例如，调整触发系统间HO的阈值)。
在一些实施例中，非必要切换也可以发生在两个intra-RAT基站之间。然而，跨RAT场景更受关注，原因包括以下至少之一：
1.不同RAT间的切换成本更高：跨RAT切换(例如，从LTE切换到NR或反 之)通常比同一RAT内的切换(例如，LTE到LTE)更复杂，需要更多的信令和可能导致更长的服务中断。
2.不同RAT间的协同问题：不同RAT之间的网络可能由不同的网络运营商管理，或者即使是同一运营商，它们的部署和优化策略也可能不同。这可能导致在边缘区域的网络性能不一致，增加了ping-pong效应的风险。
3.用户体验影响：跨RAT切换可能会对用户体验产生更大的负面影响，因为它可能涉及到不同的网络性能特征(例如，速度、延迟等)和服务质量(QoS)的变化。
4.资源利用效率：频繁的跨RAT切换可能导致无线资源的低效利用，因为每次切换都需要分配新的无线资源，并且可能在切换过程中浪费已经分配的资源。
因此，为了优化网络性能和用户体验，运营商和设备制造商会特别关注跨RAT场景下的非必要切换效应，并采取措施来监测和减少这种情况的发生。这可能包括改进切换算法、调整网络覆盖和容量规划、以及使用更智能的用户设备切换决策逻辑。
在一些实施例中，关于切换操作，需要明确的RRC信号触发，对于gNB间切换，信令程序至少由以下基本组成部分组成，可以包括以下步骤：
源gNB发起切换并通过Xn接口发出切换请求；
目标gNB执行许可控制，并提供新的RRC配置作为切换请求确认的一部分；
源gNB通过转发在切换请求应答中接收到的RRCReconfiguration消息向UE提供RRC配置；RRCReconfiguration消息至少包括小区ID和访问目标小区所需的所有信息，以便UE可以在不读取系统信息的情况下访问目标小区；在某些情况下，基于竞争和非竞争随机访问所需的信息可以包含在RRCReconfiguration消息中；目标小区的访问信息可以包括特定于波束的信息；
UE将RRC连接移动到目标gNB并用RRCReconfigurationComplete应答。
在一些实施例中，关于条件切换CHO，条件切换(CHO)是指：当满足一个或多个切换执行条件时，UE执行的切换。UE在接收到CHO配置后开始评估执行条件，并在执行切换(包括legacy handover(传统切换)和CHO)后停止评估执行条件。CHO可以适用于以下准则：
CHO配置包括CHO候选小区配置和执行条件；
一个执行条件可能包含一个或两个触发条件(CHO事件A3/A5)：
a)CondEvent A3：Conditional reconfiguration candidate becomes amount of offset better than PCell/PSCell(条件重配置候选变得比PCell/PCell更好的偏移量)；
b)CondEvent A5：PCell/PSCell becomes worse than absolute threshold1 AND Conditional reconfiguration candidate becomes better than another absolute threshold2(PCell/PCell变得比绝对阈值1差并且条件重新配置候选变得比另一个绝对阈值2好)；
在满足任何CHO执行条件之前，UE收到HO(不含CHO配置)命令，则执行legacy HO过程，而不管之前收到的任何CHO配置；
在执行CHO时，即从UE开始与目标小区同步时起，UE并不监视源小区。
在一些实施例，关于LTM切换，在5G系统中，网络侧可以给终端提供多个“候选小区(或小区组)”。网络侧后续可以通过L1(如，DCI(Downlink Control Information, 下行控制信息))或L2(MAC CE(Control Element，控制单元))信令控制终端在多个“候选小区(或小区组)”进行变更(如，将工作的小区(或小区组)从“候选小区(或小区组)-1”变更为“候选小区(或小区组)-2”)。其中，1个服务小区(或小区组)可以对应1个或多个“候选小区(或小区组)”。
例如，支持DU通过MAC CE激活候选小区(或小区组)。
在一些实施例中，信息等的名称不限定于实施例中所记载的名称，“信息(information)”、“消息(message)”、“信号(signal)”、“信令(signaling)”、“报告(report)”、“配置(configuration)”、“指示(indication)”、“指令(instruction)”、“命令(command)”、“信道”、“参数(parameter)”、“域”、“字段”、“符号(symbol)”、“码元(symbol)”、“码本(codebook)”、“码字(codeword)”、“码点(codepoint)”、“比特(bit)”、“数据(data)”、“程序(program)”、“码片(chip)”等术语可以相互替换。
在一些实施例中，“时刻”、“时间点”、“时间”、“时间位置”等术语可以相互替换，“时长”、“时段”、“时间窗口”、“窗口”、“时间”等术语可以相互替换。
在一些实施例中，“获取”、“获得”、“得到”、“接收”、“传输”、“双向传输”、“发送和/或接收”可以相互替换，其可以解释为从其他主体接收，从协议中获取，从高层获取，自身处理得到、自主实现等多种含义。
在一些实施例中，“发送”、“发射”、“上报”、“下发”、“传输”、“双向传输”、“发送和/或接收”等术语可以相互替换。
与前述的信息发送方法、信息接收方法的实施例相对应地，本公开还提供了信息发送装置、信息接收装置的实施例。
图5是根据本公开的实施例示出的一种信息发送装置的示意框图。例如信息发送模块可以设置于终端。如图5所示，所述信息发送装置包括：处理模块501、发送模块502。
在一些实施例中，处理模块，被配置为从第一节点切换到第二节点；发送模块，被配置为根据第一配置信息发送第一信息至所述第二节点，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
在一些实施例中，所述第一配置信息为所述终端预先存储的；或者，所述第一配置信息由所述第一节点发送至所述终端；或者，所述第一配置信息由所述第二节点发送至所述终端。
在一些实施例中，所述第一配置信息由所述第一节点发送至所述第二节点后，由所述第二节点发送至所述终端。
在一些实施例中，所述第一配置信息包括以下至少之一：第一测量配置信息；第一范围信息；第一时间信息；第一阈值信息。
在一些实施例中，所述第一信息与第二阈值信息之间的关系满足预定义关系，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，在第一时长阈值内所述终端切换至第一小区，所述第一信息不用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，所述终端切换至第一小区，所述第一小区属于LTM配置中的 LTM候选小区，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，所述发送模块，还被配置为向所述第二节点发送能力信息，其中，所述能力信息用于指示所述终端是否支持根据所述第一配置信息将所述第一信息发送至所述第二节点。
图6是根据本公开的实施例示出的一种信息接收装置的示意框图。例如，信息接收装置可以设置于第二节点。如图6所示，所述信息接收装置包括：接收模块601。
在一些实施例中，接收模块，被配置为接收所述终端从第一节点切换到第二节点后，根据第一测量配置信息发送的第一信息，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
在一些实施例中，所述第一配置信息为所述终端预先存储的；或者，所述第一配置信息由所述第一节点发送至所述终端；或者，所述第一配置信息由所述第二节点发送至所述终端。
在一些实施例中，所述第一配置信息由所述第一节点发送至所述第二节点后，由所述第二节点发送至所述终端。
在一些实施例中，所述第一配置信息包括以下至少之一：第一测量配置信息；第一范围信息；第一时间信息；第一阈值信息。
在一些实施例中，所述第一信息与第二阈值信息之间的关系满足预定义关系，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，在第一时长阈值内所述终端切换至第一小区，所述第一信息不用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，所述终端切换至第一小区，所述第一小区属于LTM配置中的LTM候选小区，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
在一些实施例中，所述装置还包括：发送模块，被配置为响应于所述第一信息用于所述第二节点确定所述终端发生了非必要切换，向所述第一节点发送报告，其中，所述报告用于指示所述终端发生了非必要切换。
在一些实施例中，所述报告包括以下至少之一：
非必要切换的目标小区标识；
非必要切换的源小区标识；
切换指示信息，用于指示所述终端将在第一时长内切换至第一小区；
非必要切换的切换类型；
非必要切换问题指示：
至少一个小区的标识，其中，所述至少一个小区对应的所述第一信息与第而阈值信息之间的关系满足预定义关系。
在一些实施例中，所述接收模块，还被配置为向所述第二节点发送能力信息，其中，所述能力信息用于指示所述终端是否支持根据所述第一配置信息将所述第一信息发送至所述第二节点。
对于装置实施例而言，由于其基本对应于方法实施例，所以相关之处参见方法实施例的部分说明即可。以上所描述的装置实施例仅仅是示意性的，其中，所述作为分离 部件说明的模块可以是或者也可以不是物理上分开的，作为模块显示的部件可以是或者也可以不是物理模块，即可以位于一个地方，或者也可以分布到多个网络模块上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
本公开实施例还提出用于实现以上任一方法的装置，例如，提出一装置，上述装置包括用以实现以上任一方法中终端所执行的各步骤的单元或模块。再如，还提出另一装置，包括用以实现以上任一方法中网络设备(例如接入网设备、核心网功能节点、核心网设备等)所执行的各步骤的单元或模块。
应理解以上装置中各单元或模块的划分仅是一种逻辑功能的划分，在实际实现时可以全部或部分集成到一个物理实体上，也可以物理上分开。此外，装置中的单元或模块可以以处理器调用软件的形式实现：例如装置包括处理器，处理器与存储器连接，存储器中存储有指令，处理器调用存储器中存储的指令，以实现以上任一方法或实现上述装置各单元或模块的功能，其中处理器例如为通用处理器，例如中央处理单元(Central Processing Unit，CPU)或微处理器，存储器为装置内的存储器或装置外的存储器。或者，装置中的单元或模块可以以硬件电路的形式实现，可以通过对硬件电路的设计实现部分或全部单元或模块的功能，上述硬件电路可以理解为一个或多个处理器；例如，在一种实现中，上述硬件电路为专用集成电路(application-specific integrated circuit，ASIC)，通过对电路内元件逻辑关系的设计，实现以上部分或全部单元或模块的功能；再如，在另一种实现中，上述硬件电路为可以通过可编程逻辑器件(programmable logic device，PLD)实现，以现场可编程门阵列(Field Programmable Gate Array，FPGA)为例，其可以包括大量逻辑门电路，通过配置文件来配置逻辑门电路之间的连接关系，从而实现以上部分或全部单元或模块的功能。以上装置的所有单元或模块可以全部通过处理器调用软件的形式实现，或全部通过硬件电路的形式实现，或部分通过处理器调用软件的形式实现，剩余部分通过硬件电路的形式实现。
在本公开实施例中，处理器是具有信号处理能力的电路，在一种实现中，处理器可以是具有指令读取与运行能力的电路，例如中央处理单元(Central Processing Unit，CPU)、微处理器、图形处理器(graphics processing unit，GPU)(可以理解为微处理器)、或数字信号处理器(digital signal processor，DSP)等；在另一种实现中，处理器可以通过硬件电路的逻辑关系实现一定功能，上述硬件电路的逻辑关系是固定的或可以重构的，例如处理器为专用集成电路(application-specific integrated circuit，ASIC)或可编程逻辑器件(programmable logic device，PLD)实现的硬件电路,例如FPGA。在可重构的硬件电路中，处理器加载配置文档，实现硬件电路配置的过程，可以理解为处理器加载指令，以实现以上部分或全部单元或模块的功能的过程。此外，还可以是针对人工智能设计的硬件电路，其可以理解为ASIC，例如神经网络处理单元(Neural Network Processing Unit，NPU)、张量处理单元(Tensor Processing Unit，TPU)、深度学习处理单元(Deep learning Processing Unit，DPU)等。
图7A是本公开实施例提出的通信设备7100的结构示意图。通信设备7100可以是网络设备(例如接入网设备、核心网设备等)，也可以是终端(例如用户设备等)，也可以是支持网络设备实现以上任一方法的芯片、芯片系统、或处理器等，还可以是支持终端实现以上任一方法的芯片、芯片系统、或处理器等。通信设备7100可用于实现上述方法实施例中描述的方法，具体可以参见上述方法实施例中的说明。
如图7A所示，通信设备7100包括一个或多个处理器7101。处理器7101可以是通用处理器或者专用处理器等，例如可以是基带处理器或中央处理器。基带处理器可以 用于对通信协议以及通信数据进行处理，中央处理器可以用于对通信装置(如，基站、基带芯片，终端设备、终端设备芯片，DU或CU等)进行控制，执行程序，处理程序的数据。可选地，通信设备7100用于执行以上任一方法。可选地，一个或多个处理器7101用于调用指令以使得通信设备7100执行以上任一方法。
在一些实施例中，通信设备7100还包括一个或多个收发器7102。在通信设备7100包括一个或多个收发器7102时，收发器7102执行上述方法中的发送和/或接收等通信步骤(例如步骤S201、S202，但不限于此)中的至少一者，处理器7101执行其他步骤(例如步骤S201、S202，但不限于此)中的至少一者。在可选的实施例中，收发器可以包括接收器和/或发送器，接收器和发送器可以是分离的，也可以集成在一起。可选地，收发器、收发单元、收发机、收发电路、接口电路、接口等术语可以相互替换，发送器、发送单元、发送机、发送电路等术语可以相互替换，接收器、接收单元、接收机、接收电路等术语可以相互替换。
在一些实施例中，通信设备7100还包括用于存储数据的一个或多个存储器7103。可选地，全部或部分存储器7103也可以处于通信设备7100之外。在可选的实施例中，通信设备7100可以包括一个或多个接口电路7104。可选地，接口电路7104与存储器7102连接，接口电路7104可用于从存储器7102或其他装置接收数据，可用于向存储器7102或其他装置发送数据。例如，接口电路7104可读取存储器7102中存储的数据，并将该数据发送给处理器7101。
以上实施例描述中的通信设备7100可以是网络设备或者终端，但本公开中描述的通信设备7100的范围并不限于此，通信设备7100的结构可以不受图7A的限制。通信设备可以是独立的设备或者可以是较大设备的一部分。例如所述通信设备可以是：1)独立的集成电路IC，或芯片，或，芯片系统或子系统；(2)具有一个或多个IC的集合，可选地，上述IC集合也可以包括用于存储数据，程序的存储部件；(3)ASIC，例如调制解调器(Modem)；(4)可嵌入在其他设备内的模块；(5)接收机、终端设备、智能终端设备、蜂窝电话、无线设备、手持机、移动单元、车载设备、网络设备、云设备、人工智能设备等等；(6)其他等等。
图7B是本公开实施例提出的芯片7200的结构示意图。对于通信设备7100可以是芯片或芯片系统的情况，可以参见图7B所示的芯片7200的结构示意图，但不限于此。
芯片7200包括一个或多个处理器7201。芯片7200用于执行以上任一方法。
在一些实施例中，芯片7200还包括一个或多个接口电路7202。可选地，接口电路、接口、收发管脚等术语可以相互替换。在一些实施例中，芯片7200还包括用于存储数据的一个或多个存储器7203。可选地，全部或部分存储器7203可以处于芯片7200之外。可选地，接口电路7202与存储器7203连接，接口电路7202可以用于从存储器7203或其他装置接收数据，接口电路7202可用于向存储器7203或其他装置发送数据。例如，接口电路7202可读取存储器7203中存储的数据，并将该数据发送给处理器7201。
在一些实施例中，接口电路7202执行上述方法中的发送和/或接收等通信步骤(例如步骤S201、S202，但不限于此)中的至少一者。接口电路7202执行上述方法中的发送和/或接收等通信步骤例如是指：接口电路7202执行处理器7201、芯片7200、存储器7203或收发器件之间的数据交互。在一些实施例中，处理器7201执行其他步骤(例如步骤S201、S202，但不限于此)中的至少一者。
虚拟装置、实体装置、芯片等各实施例中所描述的各模块和/或器件可以根据情况任意组合或者分离。可选地，部分或全部步骤也可以由多个模块和/或器件协作执行，此 处不做限定。
本公开还提出存储介质，上述存储介质上存储有指令，当上述指令在通信设备7100上运行时，使得通信设备7100执行以上任一方法。可选地，上述存储介质是电子存储介质。可选地，上述存储介质是计算机可读存储介质，但不限于此，其也可以是其他装置可读的存储介质。可选地，上述存储介质可以是非暂时性(non-transitory)存储介质，但不限于此，其也可以是暂时性存储介质。
本公开还提出程序产品，上述程序产品被通信设备7100执行时，使得通信设备7100执行以上任一方法。可选地，上述程序产品是计算机程序产品。
本公开还提出计算机程序，当其在计算机上运行时，使得计算机执行以上任一方法。

Claims (25)

  1. 一种信息发送方法，其特征在于，由终端执行，所述方法包括：
    从第一节点切换到第二节点；
    根据第一配置信息发送第一信息至所述第二节点，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
  2. 根据权利要求1所述的方法，其特征在于，所述第一配置信息为所述终端预先存储的；或者，
    所述第一配置信息由所述第一节点发送至所述终端；或者，
    所述第一配置信息由所述第二节点发送至所述终端。
  3. 根据权利要求2所述的方法，其特征在于，所述第一配置信息由所述第一节点发送至所述第二节点后，由所述第二节点发送至所述终端。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，所述第一配置信息包括以下至少之一：
    第一测量配置信息；
    第一范围信息；
    第一时间信息；
    第一阈值信息。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，所述第一信息与第二阈值信息之间的关系满足预定义关系，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，在第一时长阈值内所述终端切换至第一小区，所述第一信息不用于所述第二节点确定所述终端发生了非必要切换。
  7. 根据权利要求1至5中任一项所述的方法，其特征在于，所述终端切换至第一小区，所述第一小区属于LTM配置中的LTM候选小区，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，所述方法还包括：
    向所述第二节点发送能力信息，其中，所述能力信息用于指示所述终端是否支持根据所述第一配置信息将所述第一信息发送至所述第二节点。
  9. 一种信息接收方法，其特征在于，由第二节点执行，所述方法包括：
    接收终端从第一节点切换到第二节点后，根据第一测量配置信息发送的第一信息，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
  10. 根据权利要求9所述的方法，其特征在于，所述第一配置信息为所述终端预先存储的；或者，
    所述第一配置信息由所述第一节点发送至所述终端；或者，
    所述第一配置信息由所述第二节点发送至所述终端。
  11. 根据权利要求10所述的方法，其特征在于，所述第一配置信息由所述第一节点发送至所述第二节点后，由所述第二节点发送至所述终端。
  12. 根据权利要求9至11中任一项所述的方法，其特征在于，所述第一配置信息包括以下至少之一：
    第一测量配置信息；
    第一范围信息；
    第一时间信息；
    第一阈值信息。
  13. 根据权利要求9至12中任一项所述的方法，其特征在于，所述第一信息与第二 阈值信息之间的关系满足预定义关系，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
  14. 根据权利要求9至13中任一项所述的方法，其特征在于，在第一时长阈值内所述终端切换至第一小区，所述第一信息不用于所述第二节点确定所述终端发生了非必要切换。
  15. 根据权利要求9至13中任一项所述的方法，其特征在于，所述终端切换至第一小区，所述第一小区属于LTM配置中的LTM候选小区，所述第一信息用于所述第二节点确定所述终端发生了非必要切换。
  16. 根据权利要求9至15中任一项所述的方法，其特征在于，所述方法还包括：
    响应于所述第一信息用于所述第二节点确定所述终端发生了非必要切换，向所述第一节点发送报告，其中，所述报告用于指示所述终端发生了非必要切换。
  17. 根据权利要求16所述的方法，其特征在于，所述报告包括以下至少之一：
    非必要切换的目标小区标识；
    非必要切换的源小区标识；
    切换指示信息，用于指示所述终端将在第一时长内切换至第一小区；
    非必要切换的切换类型；
    非必要切换问题指示：
    至少一个小区的标识，其中，所述至少一个小区对应的所述第一信息与第二阈值信息之间的关系满足预定义关系。
  18. 根据权利要求9至17中任一项所述的方法，其特征在于，所述方法还包括：
    向所述第二节点发送能力信息，其中，所述能力信息用于指示所述终端是否支持根据所述第一配置信息将所述第一信息发送至所述第二节点。
  19. 一种信息发送装置，其特征在于，所述装置包括：
    处理模块，被配置为从第一节点切换到第二节点；
    发送模块，被配置为根据第一配置信息发送第一信息至所述第二节点，其中，所述第一信息用于所述第二节点确定终端是否发生了非必要切换。
  20. 一种信息接收装置，其特征在于，所述装置包括：
    接收模块，被配置为接收终端从第一节点切换到第二节点后，根据第一测量配置信息发送的第一信息，其中，所述第一信息用于所述第二节点确定所述终端是否发生了非必要切换。
  21. 一种终端，其特征在于，包括：
    一个或多个处理器；
    其中，所述终端用于执行权利要求1至8中任一项所述的信息发送方法。
  22. 一种节点，其特征在于，包括：
    一个或多个处理器；
    其中，所述节点用于执行权利要求9至18中任一项所述的信息接收方法。
  23. 一种通信系统，其特征在于，包括终端、第二节点，其中，所述终端被配置为实现权利要求1至8中任一项所述的信息发送方法，所述第二节点被配置为实现权利要求9至18中任一项所述的信息接收方法。
  24. 一种存储介质，所述存储介质存储有指令，其特征在于，当所述指令在通信设备上运行时，使得所述通信设备执行权利要求1至8中任一项所述的信息发送方法，和/或，权利要求9至18中任一项所述的信息接收方法。
  25. 一种程序产品，其特征在于，上述程序产品被通信设备执行时，使得上述通信设备执行权利要求1至8中任一项所述的信息发送方法，和/或，权利要求9至18中任一项所述的信息接收方法。
PCT/CN2024/076477 2024-02-06 2024-02-06 信息发送、接收方法和装置、通信系统和存储介质 Pending WO2025166594A1 (zh)

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