Handover method and apparatus, and storage medium
By using the network equipment of the serving cell to receive and process the information of the cell to be switched, including the uplink channel quality prediction value and measurement results, the problem of terminal switching failure is solved and higher communication reliability is achieved.
Patent Information
- Application Number
- PCT/CN2024/086888
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-10-16
AI Technical Summary
The terminal is prone to handover failure during the handover process, affecting communication reliability.
The network equipment of the serving cell determines whether to switch to the cell to be switched based on the information sent by the cell to be switched, and ensures the accuracy of the switching by receiving and processing the uplink channel quality prediction value and measurement result of the terminal.
The accuracy of the switching process is improved, and the stability and reliability of communication are guaranteed.
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Figure CN2024086888_16102025_PF_FP_ABST
Abstract
Description
Handover method, apparatus, and storage medium TECHNICAL FIELD
[0001] The present disclosure relates to the technical field of communication, and particularly relates to a handover method, apparatus, and storage medium. BACKGROUND
[0002] With the rapid development of mobile communication technology, a terminal can be handed over to another cell based on measurement results, so as to ensure that the terminal can communicate in a cell with high channel quality and ensure stable communication of the terminal.
[0003] SUMMARY
[0004] The scheme provided by the present disclosure solves the problem of handover failure caused by terminal triggered handover. In the embodiment of the present disclosure, the network device of a serving cell can determine whether to hand over to a cell to be handed over based on information sent by the cell to be handed over, so as to ensure the accuracy of handover to the cell to be handed over based on the indication of the cell to be handed over, and further ensure the communication reliability.
[0005] The present disclosure provides a handover method, apparatus, and storage medium.
[0006] According to a first aspect of the present disclosure, a handover method is provided, the method is executed by a first network device, and a terminal is located in a serving cell of the first network device; the method comprises:
[0007] receiving first information sent by a second network device;
[0008] determining whether to hand over to a cell of the second network device based on the first information.
[0009] According to a second aspect of the present disclosure, a handover method is provided, the method is executed by a second network device, and the method comprises:
[0010] sending first information to a first network device, the first information being used to determine whether to hand over to a cell of the second network device.
[0011] According to a third aspect of the present disclosure, a handover method is provided, the method comprises:
[0012] a second network device sends first information to a first network device, the first information being used to determine whether to hand over to a cell of the second network device;
[0013] the first network device receives the first information sent by the second network device;
[0014] the first network device determines whether to hand over to the cell of the second network device based on the first information.
[0015] According to a fourth aspect of the embodiments of the present disclosure, a switching apparatus is provided, comprising:
[0016] a transceiver configured to receive first information sent by a second network device;
[0017] a processing module configured to determine whether to switch to a cell of the second network device based on the first information.
[0018] According to a fifth aspect of the embodiments of the present disclosure, a switching apparatus is provided, comprising:
[0019] a transceiver configured to send first information to a first network device, the first information being used to determine whether to switch to a cell of the second network device.
[0020] According to a sixth aspect of the embodiments of the present disclosure, a terminal is provided, comprising:
[0021] one or more processors;
[0022] The terminal is configured to perform the method of any of the first aspect.
[0023] According to a seventh aspect of the embodiments of the present disclosure, a network device is provided, comprising:
[0024] one or more processors;
[0025] The network device is configured to perform the method of any of the second aspect.
[0026] According to an eighth aspect of the embodiments of the present disclosure, a communication system is provided, comprising:
[0027] a terminal and an access network device, wherein the terminal is configured to implement the switching method of the first aspect, and the access network device is configured to implement the switching method of the second aspect.
[0028] According to a ninth aspect of the embodiments of the present disclosure, a storage medium is provided, which stores instructions, when the instructions run on a communication device, cause the communication device to perform the method of any of the first aspect or the second aspect. BRIEF DESCRIPTION OF DRAWINGS
[0029] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present disclosure and constitute a part of the present disclosure, illustrate the preferred embodiments of the present disclosure and specifically explain the principles of the present disclosure, and do not limit the present disclosure in any way. In the drawings:
[0030] FIG. 1 is a schematic diagram of an architecture of a communication system according to an embodiment of the present disclosure;
[0031] FIG. 2 is an interaction diagram of a switching method according to an embodiment of the present disclosure;
[0032] FIG. 3A is a flow diagram of a switching method according to an embodiment of the present disclosure;
[0033] FIG. 3B is a flow diagram of a switching method according to an embodiment of the present disclosure;
[0034] FIG. 4A is a flow diagram of a switching method according to an embodiment of the present disclosure;
[0035] FIG. 4B is a flow diagram of a switching method according to an embodiment of the present disclosure;
[0036] FIG. 5 is a flow diagram of a switching method according to an embodiment of the present disclosure;
[0037] FIG. 6 is a flow diagram of a switching method according to an embodiment of the present disclosure;
[0038] FIG. 7A is a structural diagram of a switching apparatus according to an embodiment of the present disclosure;
[0039] FIG. 7B is a structural diagram of a switching apparatus according to an embodiment of the present disclosure;
[0040] FIG. 8A is a structural diagram of a communication device according to an embodiment of the present disclosure;
[0041] FIG. 8B is a structural diagram of a chip according to an embodiment of the present disclosure. DETAILED DESCRIPTION
[0042] The present disclosure provides a switching method, apparatus, and storage medium.
[0043] According to a first aspect of an embodiment of the present disclosure, a switching method is provided, which is performed by a first network device, and a terminal is located in a serving cell of the first network device; the method comprises:
[0044] receiving first information sent by a second network device;
[0045] determining whether to switch to a cell of the second network device based on the first information.
[0046] In the above embodiment, the problem that a terminal triggers switching and causes switching failure is solved. In the embodiment of the present disclosure, the network device of the serving cell can determine whether to switch to a cell to be switched based on information sent by the cell to be switched, so as to ensure the accuracy of switching to the cell to be switched based on the indication of the cell to be switched, and further ensure the communication reliability.
[0047] In combination with some embodiments of the first aspect, in some embodiments, the first information comprises at least one of the following:
[0048] an identity of the terminal;
[0049] whether the terminal is predicted to successfully switch to a cell of the second network device at a second time point after the first time point;
[0050] a predicted value of uplink channel quality of the terminal at a second time point after the first time point predicted by the second network device;
[0051] the second time point corresponding to the predicted value of the predicted uplink channel quality;
[0052] uplink channel quality of the terminal at the first time point.
[0053] In the above embodiment, the type of the content included in the information sent by the second network device is expanded, the comprehensiveness of the information sent by the second network device is ensured, and the accuracy of the indicated information is ensured.
[0054] With reference to some embodiments of the first aspect, in some embodiments, the method further includes:
[0055] predicting whether the terminal successfully switches to a cell of the second network device at a second time point after the first time point according to the predicted value of uplink channel quality of the terminal at the second time point after the first time point acquired by the second network device.
[0056] In the above embodiment, the first network device can determine whether the terminal can successfully switch to the second network device in the future based on the uplink channel quality at a time point after the current time point included in the information sent by the second network device, and the accuracy of the determination of the first network device on whether to switch is ensured.
[0057] With reference to some embodiments of the first aspect, in some embodiments, the predicting whether the terminal successfully switches to a cell of the second network device at a second time point after the first time point according to the predicted value of uplink channel quality of the terminal at the second time point after the first time point acquired by the second network device includes:
[0058] if the predicted value of uplink channel quality of the terminal at the second time point after the first time point acquired by the second network device is less than a first preset channel quality, it is determined that the terminal fails to switch to the cell of the second network device at the second time point after the first time point; or
[0059] if the predicted value of uplink channel quality of the terminal at the second time point after the first time point predicted by the second network device is greater than a second preset channel quality, it is determined that the terminal successfully switches to the cell of the second network device at the second time point after the first time point; or
[0060] determine, based on the predicted value of the uplink channel quality of the terminal at the second time after the first time predicted by the second network device and a first artificial intelligence (AI) model, whether the terminal successfully switches to a cell of the second network device at the second time after the first time.
[0061] In the above embodiment, the first network device can determine whether the terminal can successfully switch to the second network device in the future based on the relationship between the uplink channel quality of the terminal at the time after the current time included in the information sent by the second network device and the quality threshold, thereby ensuring the accuracy of the determination of the first network device on whether the terminal can switch.
[0062] In combination with some embodiments of the first aspect, in some embodiments, the method further includes:
[0063] predicting, according to the uplink channel quality of the terminal at the first time measured by the second network device, whether the terminal successfully switches to a cell of the second network device at a second time after the first time.
[0064] In the above embodiment, the first network device can determine whether the terminal can successfully switch to the second network device at the time after the current time based on the uplink channel quality of the terminal at the current time included in the information sent by the second network device, thereby ensuring the accuracy of the determination of the first network device on whether the terminal can switch.
[0065] In combination with some embodiments of the first aspect, in some embodiments, the predicting, according to the uplink channel quality of the terminal at the first time measured by the second network device, whether the terminal successfully switches to a cell of the second network device at a second time after the first time includes:
[0066] determining, based on the uplink channel quality of the terminal at the first time measured by the second network device and a first AI model, whether the terminal successfully switches to a cell of the second network device at a second time after the first time.
[0067] In combination with some embodiments of the first aspect, in some embodiments, the method further includes:
[0068] sending, to the second network device, second information, the second information being used to indicate a resource for the terminal to send information to the second network device.
[0069] In the above embodiment, the first network device indicates the terminal or the resource for the terminal to send information to the second network device, thereby ensuring the accuracy of the indicated resource for sending information.
[0070] In some embodiments of the first aspect, in some embodiments, the second information comprises at least one of:
[0071] a terminal identifier, the terminal identifier being used to indicate the terminal;
[0072] a resource position at which the terminal transmits uplink information.
[0073] In some embodiments of the first aspect, in some embodiments, the cell of the second network device comprises at least one of:
[0074] a cell triggering measurement reporting;
[0075] a cell indicating measurement reporting;
[0076] a cell with a measurement result greater than a first channel quality.
[0077] In a second aspect, the embodiments of the present disclosure provide a handover method, the method being performed by a network device, and the method comprising:
[0078] sending first information to a first network device, the first information being used to determine whether to handover to a cell of a second network device.
[0079] In some embodiments of the second aspect, in some embodiments, the first information comprises at least one of:
[0080] an identifier of a terminal;
[0081] a predicted success of handover of the terminal to the cell of the second network device at a second time after a first time;
[0082] a predicted value of uplink channel quality of the terminal at the second time after the first time predicted by the second network device;
[0083] a second time corresponding to the predicted value of the predicted uplink channel quality;
[0084] uplink channel quality of the terminal at the first time.
[0085] In some embodiments of the second aspect, in some embodiments, the method further comprises:
[0086] receiving second information sent by the first network device, the second information being used to indicate a resource at which the terminal transmits information to the second network device.
[0087] In some embodiments of the second aspect, in some embodiments, the method further comprises:
[0088] predict, according to the measurement result of the measured uplink information of the terminal, whether the terminal successfully switches to a cell of the second network device at a second time point after the first time point; or
[0089] predict, according to the measurement result of the measured uplink information of the terminal, a predicted value of uplink channel quality of the terminal at a second time point after the first time point; or
[0090] determine, according to the measurement result of the measured uplink information of the terminal, uplink channel quality of the terminal at the first time point.
[0091] In a third aspect, an embodiment of the present disclosure provides a switching method, and the method comprises the following steps:
[0092] The terminal obtains at least one of a first state of the terminal or a second state of a first cell, the first state being a state of the terminal at a time point after a current time point, and the second state being a state of the first cell at a time point after the current time point.
[0093] The terminal sends first information to a network device, the first information being used to indicate at least one of the following:
[0094] the first state;
[0095] the second state;
[0096] whether the terminal successfully switches to the first cell based on the first state and / or the second state.
[0097] The network device receives the first information sent by the terminal.
[0098] The network device determines whether to switch to the first cell based on the first information.
[0099] In a fourth aspect, an embodiment of the present disclosure provides a switching device, and the switching device comprises at least one of a transceiver module and a processing module; wherein the terminal is used to execute the optional implementation manner of the first aspect.
[0100] In a fifth aspect, an embodiment of the present disclosure provides a switching device, and the switching device comprises at least one of a transceiver module and a processing module; wherein the terminal is used to execute the optional implementation manner of the second aspect.
[0101] In a sixth aspect, an embodiment of the present disclosure provides a switching device, and the switching device comprises:
[0102] one or more processors;
[0103] The switching device is used to execute the method in any one of the first aspect.
[0104] In a seventh aspect, an embodiment of the present disclosure provides a switching device, comprising:
[0105] one or more processors;
[0106] The switching device is configured to perform the method of any one of the second aspect.
[0107] In an eighth aspect, an embodiment of the present disclosure provides a storage medium, which stores first information, when the first information is run on a communication device, causes the communication device to perform the method of any one of the first aspect or the second aspect.
[0108] In a ninth aspect, an embodiment of the present disclosure provides a program product, when the program product is executed by a communication device, causes the communication device to perform the method of any one of the first aspect or the second aspect.
[0109] In a tenth aspect, an embodiment of the present disclosure provides a computer program, when the computer program is run on a communication device, causes the communication device to perform the method of any one of the first aspect or the second aspect.
[0110] In an eleventh aspect, an embodiment of the present disclosure provides a chip or a chip system. The chip or the chip system comprises processing circuitry configured to perform the method of any one of the first aspect or the second aspect.
[0111] It can be understood that the terminal, the storage medium, the program product, the computer program, the chip or the chip system are all used to perform the method provided by the embodiments of the present disclosure. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects in the corresponding method, which will not be described here.
[0112] Embodiments of the present disclosure provide a switching method, a switching device, and a storage medium. In some embodiments, the switching method and the switching method, the switching method, and the like can be replaced with each other, the switching device and the information switching device, the switching device, and the like can be replaced with each other, and the information processing system, the communication system, and the like can be replaced with each other.
[0113] Embodiments of the present disclosure are not exhaustive, but only illustrate some embodiments, and are not specific limitations on the protection scope of the present disclosure. In the case of no contradiction, each step in an embodiment can be implemented as an independent embodiment, and the steps can be combined arbitrarily, for example, the scheme after removing some steps in an embodiment can also be implemented as an independent embodiment, and the order of the steps in an embodiment can be exchanged arbitrarily, in addition, the optional implementation manners in an embodiment can be combined arbitrarily; in addition, the embodiments can be combined arbitrarily, for example, the steps of different embodiments or part of the steps of different embodiments can be combined arbitrarily, an embodiment can be combined with the optional implementation manners of other embodiments.
[0114] In each embodiment of the present disclosure, unless otherwise specified or provided for by logic, the terms and / or descriptions between the embodiments are consistent and can be referenced by each other. The technical features in different embodiments can be combined to form a new embodiment based on their inherent logical relationships.
[0115] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure.
[0116] In the embodiments of the present disclosure, unless otherwise specified, elements expressed in the singular, such as "a", "an", "the", "above", "said", "the", "the", etc., may mean "one and only one", or "one or more", "at least one", etc. For example, when using articles such as "a", "an", "the" in English in translation, the noun following the article may be understood as a singular expression or a plural expression.
[0117] In the embodiments of the present disclosure, “plurality” refers to two or more.
[0118] In some embodiments, the terms "at least one," "one or more," "a plurality of," "multiple," etc. may be used interchangeably.
[0119] In some embodiments, 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.
[0120] In some embodiments, "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.
[0121] The prefix words "first", "second", etc. in the embodiments of the present disclosure are merely used to distinguish different description objects, and do not constitute limitation on the position, sequence, priority, quantity or content of the description objects. The description of the description objects should refer to the description in the context of the claims or embodiments, and should not constitute redundant limitation because of the use of the prefix words. For example, the description objects are "fields", and the ordinal words before "fields" in "first field" and "second field" do not limit the position or sequence between "fields". "First" and "second" do not limit whether the "fields" modified thereby are in the same message, nor do they limit the sequence of "first field" and "second field". For another example, the description objects are "levels", and the ordinal words before "levels" in "first level" and "second level" do not limit the priority between "levels". For another example, the quantity of the description objects is not limited by the ordinal words, and can be one or more. For example, "first device", wherein the quantity of "devices" can be one or more. In addition, the objects modified by different prefix words can be the same or different. For example, the description objects are "devices", and "first device" and "second device" can be the same device or different devices, and their types can be the same or different. For another example, the description objects are "information", and "first information" and "second information" can be the same information or different information, and their contents can be the same or different.
[0122] In some embodiments, "including A", "containing A", "for indicating A", "carrying A" can be interpreted as directly carrying A, or indirectly indicating A.
[0123] In some embodiments, the terms "time / frequency", "time / frequency domain", etc. refer to the time domain and / or the frequency domain.
[0124] In some embodiments, the terms "in response to", "in response to determining", "in the case of", "when", "when", "if", etc. can be replaced with each other.
[0125] In some embodiments, 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 lower than", "above", etc. can be replaced with each other, and the terms "less than", "less than or equal to", "not greater than", "less than", "less than or equal to", "not more than", "lower than", "lower than or equal to", "not higher than", "below", etc. can be replaced with each other.
[0126] In some embodiments, the apparatuses and devices can be interpreted as entities, and also as virtual, whose names are not limited to the names described in the embodiments, and in some cases can also be understood as "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", "subject", and the like.
[0127] In some embodiments, "network" can be interpreted as an apparatus contained in the network, for example, an access network device, a core network device, and the like.
[0128] In some embodiments, "access network device (AN device)" can also be referred to as "radio access network device (RAN device)", "base station (BS)", "radio base station", "fixed station", and in some embodiments can also be understood as "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.
[0129] In some embodiments, "terminal" or "terminal device" may be referred to as "user equipment (terminal)", "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.
[0130] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.
[0131] In some embodiments, data, information, etc. may be obtained with the user's consent.
[0132] In addition, 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.
[0133] FIG1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure. As shown in FIG1 , the method provided in the embodiment of the present disclosure can be applied to a communication system 100, which may include a terminal 101 and a network device 102. It should be noted that the communication system 100 may also include other devices, and the present disclosure does not limit the devices included in the communication system 100.
[0134] In some embodiments, 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.
[0135] In some embodiments, the network device 102 may include at least one of an access network device and a core network device.
[0136] In some embodiments, 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 NodeB (eNB), a next generation evolved NodeB (ng-eNB), a next generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved nodeB (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.
[0137] In some embodiments, the technical solution of the present disclosure can be applied to the Open RAN architecture. In this case, the interfaces between or within the access network devices involved in the embodiments of the present disclosure can be transformed into internal interfaces of the Open RAN, and the processes and information interactions between these internal interfaces can be implemented through software or programs.
[0138] In some embodiments, the access network device can be composed of a centralized unit (CU) and a distributed unit (DU), where the CU can also be called a control unit. The CU-DU structure can be used to split the protocol layer of the access network device, with the functions of some protocol layers centrally controlled by the CU, and the functions of the remaining part or all of the protocol layers distributed in the DU, which is centrally controlled by the CU, but is not limited to this.
[0139] In some embodiments, a core network device may be a 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. The 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), and a Next Generation Core (NGC).
[0140] It can be understood that 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.
[0141] 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.
[0142] Embodiments of the present disclosure can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), Future Radio Access (FRA), New-Radio Access Technology (RAT), New Radio (NR), New radio access (NX), Future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (Bl tooth (registered trademark)), Public Land Mobile Network (PLMN) network, Device-to-Device (D2D) system, Machine to Machine (M2M) system, Internet of Things (IoT) system, Vehicle-to-Everything (V2X), system using other handover methods, next-generation system expanded based thereon, and the like. In addition, a plurality of systems can be combined (for example, combination of LTE or LTE-A and 5G, and the like).
[0143] FIG. 2 is an interaction diagram of a handover method according to an embodiment of the present disclosure. As shown in FIG. 2, the embodiment of the present disclosure relates to a handover method, and the method includes:
[0144] In step S2101, the first network device sends second information to the second network device.
[0145] In some embodiments, the first network device refers to a network device connected with the terminal. In some embodiments, the cell of the first network device is a serving cell.
[0146] In some embodiments, the second network device is a network device to be handed over. In some embodiments, the cell of the second network device is a neighbor cell.
[0147] In some embodiments, the second network device receives the second information sent by the first network device. In some embodiments, the first network device sends the second information. Correspondingly, the second network device receives the second information.
[0148] In some embodiments, the second information is used to indicate a resource for the terminal to send information to the second network device. In some embodiments, the second information is used to indicate the terminal. Optionally, the resource for the terminal to send information to the second network device indicated by the second information includes at least one of a time domain resource or a frequency domain resource.
[0149] In some embodiments, the name of the second information is not limited. For example, it refers to indication information, configuration information, etc.
[0150] In some embodiments, the second information includes at least one of the following:
[0151] (1) An identifier of the terminal.
[0152] In some embodiments, when the second information is used to indicate the terminal, the second information includes the identifier of the terminal, and the terminal is indicated by the identifier.
[0153] (2) A resource position for the terminal to send uplink information.
[0154] In some embodiments, when the second information is used to indicate a resource for the terminal to send information to the second network device, the second information includes the resource position for the terminal to send uplink information.
[0155] Step S2102: The terminal sends uplink information to the second network device.
[0156] In some embodiments, the first network device sends the second information to the terminal, and after the terminal receives the second information, the terminal determines a resource for sending uplink information.
[0157] In some embodiments, the second network device receives the uplink information sent by the terminal. In some embodiments, the terminal sends the uplink information. Correspondingly, the second network device receives the uplink information.
[0158] In some embodiments, the uplink information comprises at least one of a SRS (Sounding Reference Signal), a DM-RS (Demodulation Reference Signal), a PT-RS (Phase Tracking Reference Signal), a PUCCH (Physical Uplink Control Channel), or a PUSCH (Physical Uplink Shared Channel).
[0159] At step S2103, the second network device measures the uplink information to obtain a measurement result.
[0160] In the embodiments of the present disclosure, after receiving the uplink information, the second network device can measure the uplink information to obtain a measurement result.
[0161] In some embodiments, the measurement result measured by the second network device is at least one of an RSRP (Reference Signal Receiving Power), an RSRQ (Reference Signal Receiving Quality), or an SINR (Signal to Interference plus Noise Ratio).
[0162] At step S2104, the second network device sends first information to the first network device.
[0163] In some embodiments, the first network device receives the first information sent by the second network device. In some embodiments, the second network device sends the first information. Correspondingly, the first network device receives the first information.
[0164] In some embodiments, the first information is used by the first network device to determine whether to switch to the cell of the second network device. Alternatively, it can also be understood that the first information is used by the first network device to determine whether to switch to the cell of the second network device at a future time. Alternatively, it can also be understood that the first information is used by the first network device to determine whether to successfully switch to the cell of the second network device at a future time.
[0165] In some embodiments, the first information comprises at least one of the following:
[0166] (1) an identifier of the terminal.
[0167] (2) whether the terminal successfully switches to the cell of the second network device at a second time after the first time is predicted.
[0168] In some embodiments, the first time refers to a current time. Alternatively, the first time can also be understood as a time at which the terminal has sent uplink information for measurement. Alternatively, the first time can also be understood as a time at which the latest measurement result is obtained. In some embodiments, the second time after the first time can also be referred to as a future time. Alternatively, it can also be understood that the second time after the first time refers to a time that has not yet occurred.
[0169] In some embodiments, there are multiple second times, which can also be understood as multiple second times after the first time, or multiple future times after the first time, and whether the terminal successfully switches to the cell of the second network device at each second time is predicted.
[0170] In some embodiments, whether the terminal successfully switches to the cell of the second network device at the second time after the first time includes: the terminal successfully switches to the cell of the second network device at the second time after the first time. Alternatively, the terminal fails to switch to the cell of the second network device at the second time after the first time.
[0171] It should be noted that in the embodiments of the present disclosure, the second network device predicts whether the terminal successfully switches to the cell of the second network device at the second time after the first time based on the obtained uplink channel quality of the terminal at the first time.
[0172] In some embodiments, the second network device predicts whether the terminal successfully switches to the cell of the second network device at the second time after the first time according to the measurement result of the measured uplink information of the terminal.
[0173] Optionally, the second network device inputs the measurement result of the measured uplink information of the terminal into a second AI model, and predicts whether the terminal successfully switches to the cell of the second network device at the second time after the first time based on the second AI model. Optionally, the second AI model inputs the measurement result of the measured uplink information of the terminal, and outputs whether the terminal successfully switches to the cell of the second network device at the second time.
[0174] Optionally, the second network device predicts a measurement result of the terminal at a second time after the first time according to the measured measurement result of the uplink information of the terminal, and determines whether the handover to the cell of the second network device at the second time after the first time is successful based on the predicted measurement result. Optionally, if the predicted measurement result is greater than or equal to a third preset channel quality, it is determined that the handover to the cell of the second network device at the time corresponding to the predicted measurement result is successful. Optionally, if the predicted measurement result is less than a fourth preset channel quality, it is determined that the handover to the cell of the second network device at the time corresponding to the predicted measurement result is successful. Optionally, the second network device predicts a measurement result of the terminal at a second time after the first time according to the measured measurement result of the uplink information of the terminal. It should be noted that the third preset channel quality and the fourth preset channel quality in the embodiments of the present disclosure can be the same, or can be different, and the embodiments of the present disclosure are not limited.
[0175] In some embodiments, the second network device inputs the measured measurement result of the uplink information of the terminal into a third AI model to predict an uplink channel quality of the terminal at a second time after the first time. Optionally, the second AI model inputs the measured measurement result of the uplink information of the terminal, and outputs the uplink channel quality of the terminal at the second time after the first time.
[0176] (3) The predicted value of the uplink channel quality of the terminal at the second time after the first time predicted by the second network device.
[0177] In some embodiments, the predicted value of the uplink channel quality of the terminal at the second time after the first time can also be understood as a predicted value of the uplink channel quality of the terminal at a future time.
[0178] In some embodiments, the second network device predicts a predicted value of the uplink channel quality of the terminal according to the measured measurement result of the uplink information of the terminal.
[0179] Optionally, the second network device inputs the measured measurement result of the uplink information of the terminal into a third AI model to predict a predicted value of the uplink channel quality of the terminal at a second time after the first time. Optionally, the second AI model inputs the measured measurement result of the uplink information of the terminal, and outputs the predicted value of the uplink channel quality of the terminal at the second time after the first time.
[0180] In some embodiments, the first network device predicts whether the handover to the cell of the second network device at the second time after the first time is successful according to the uplink channel quality of the terminal at the second time after the first time predicted by the second network device.
[0181] In some embodiments, if the first network device determines that the predicted value of the uplink channel quality of the terminal at the second time after the first time obtained by the second network device is less than the first preset channel quality, it is determined that the terminal fails to switch to the cell of the second network device at the second time after the first time.
[0182] In some embodiments, if the first network device determines that the predicted value of the uplink channel quality of the terminal at the second time after the first time predicted by the second network device is greater than the second preset channel quality, it is determined that the terminal successfully switches to the cell of the second network device at the second time after the first time.
[0183] In some embodiments, the first network device determines whether the terminal successfully switches to the cell of the second network device at the second time after the first time based on the predicted value of the uplink channel quality of the terminal at the second time after the first time predicted by the second network device and the first AI model. Optionally, the predicted value of the uplink channel quality of the terminal at the second time after the first time obtained by the second network device is input into the first AI model, and whether the terminal successfully switches to the cell of the second network device at the second time after the first time can be determined based on the first AI model.
[0184] (4) The second time corresponding to the predicted value of the predicted uplink channel quality.
[0185] In some embodiments, the predicted value of the uplink channel quality of the terminal includes a plurality of predicted values of the uplink channel quality at a plurality of second times, and each second time corresponds to a predicted value of the uplink channel quality. Subsequently, whether the terminal successfully switches to the cell of the second network device at the second time can be determined based on the predicted value of the uplink channel quality at each second time.
[0186] (5) The uplink channel quality of the terminal at the first time.
[0187] In some embodiments, the first network device predicts whether the terminal successfully switches to the cell of the second network device at the second time after the first time according to the uplink channel quality of the terminal at the first time measured by the second network device.
[0188] Optionally, the first network device predicts whether the terminal successfully switches to the cell of the second network device at the second time after the first time based on the uplink channel quality of the terminal at the first time measured by the second network device and the first AI model. In the embodiments of the present disclosure, the first network device inputs the uplink channel quality of the terminal at the first time measured by the second network device into the first AI model to obtain whether the terminal successfully switches to the cell of the second network device at the second time after the first time.
[0189] Optionally, the first network device inputs, into the first AI model, the uplink channel quality of the terminal at the first time measured by the second network device, predicts a predicted value of the uplink channel quality of the terminal at a second time after the first time, and further determines whether the terminal successfully switches to the cell of the second network device at the second time after the first time based on the predicted value of the uplink channel quality of the terminal at the second time after the first time. Optionally, the determination of whether the terminal successfully switches to the cell of the second network device at the second time after the first time based on the predicted value of the uplink channel quality of the terminal at the second time after the first time is similar to that in the above-mentioned embodiments, and will not be described herein again.
[0190] In step S2105, the first network device determines whether to switch to the cell of the second network device based on the first information.
[0191] In some embodiments, the cell of the second network device includes at least one of the following:
[0192] (1) A cell triggering measurement reporting.
[0193] In some embodiments, triggering measurement reporting refers to triggering reporting when a reporting condition is met. In some embodiments, measurement reporting includes periodic reporting or event-based reporting.
[0194] Optionally, if the measurement reporting is periodic reporting, the terminal triggers reporting each time a set period arrives. Optionally, the terminal is provided with a timer, and the measurement reporting is triggered when the timer expires. Optionally, different reporting configurations are used to indicate different measurement objects.
[0195] Optionally, if the measurement reporting is event-based reporting, the network device configures the terminal with at least one of the following: a signal type triggering reporting, a reporting threshold or a bias value, and a type of measurement result reported. Optionally, the signal type triggering reporting includes at least one of RSRP, RSRQ, or SINR. The type of measurement result reported includes at least one of RSRP, RSRQ, or SINR.
[0196] Optionally, the terminal can determine whether to trigger reporting by comparing the relationship between the measurement result of the serving cell and the cell of the second network device. Optionally, the terminal can determine whether to trigger reporting by comparing the relationship between the cell of the second network device and a threshold.
[0197] (2) A cell indicating measurement reporting.
[0198] In the embodiments of the present disclosure, for a cell configured to require measurement reporting, the cell is determined to be the cell of the second network device regardless of whether the reporting is triggered.
[0199] (3) A cell with a measurement result greater than a first channel quality.
[0200] In the embodiments of the present disclosure, if the second network device determines that the measurement result is greater than the first channel quality, it is determined that the cell of the second network device meets the requirements.
[0201] In some embodiments, after the first network device determines that the first cell can be switched to, it sends a handover request to the second network device, the second network device confirms that the handover can be performed based on the handover request, sends a handover command to the terminal, the handover command including configuration information of the second network device, and optionally, the configuration information including bearer configuration, MAC (Media Access Control) configuration and random access configuration. After the terminal receives the handover command, it synchronizes with the second network device and initiates a random access process to access the second network device.
[0202] The handover method according to the embodiments of the present disclosure can include at least one of steps S2101-S2105. For example, step S2101 can be implemented as an independent embodiment, step S2102 can be implemented as an independent embodiment, step S2103 can be implemented as an independent embodiment, step S2104 can be implemented as an independent embodiment, step S2105 can be implemented as an independent embodiment, step S2101 and step S2102 can be implemented as independent embodiments, step S2101, step S2103 can be implemented as an independent embodiment, step S2101, step S2104 can be implemented as an independent embodiment, step S2102, step S2103 can be implemented as an independent embodiment, step S2102, step S2104 can be implemented as an independent embodiment, step S2103, step S2104 can be implemented as an independent embodiment, but not limited thereto.
[0203] In some embodiments, step S2101 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
[0204] In some embodiments, step S2102 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
[0205] In some embodiments, step S2103 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
[0206] In some embodiments, step S2104 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
[0207] In some embodiments, step S2105 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
[0208] In some embodiments, other optional implementations described before or after the description corresponding to FIG. 2 can be referred to.
[0209] In some embodiments, the names of information and the like are not limited to the names described in the embodiments, and the terms of “information”, “message”, “signal”, “signaling”, “report”, “configuration”, “indication”, “instruction”, “command”, “channel”, “parameter”, “domain”, “field”, “symbol”, “symbol”, “codebook”, “codeword”, “codepoint”, “bit”, “data”, “program”, “chip”, and the like can be replaced with each other.
[0210] In some embodiments, the terms of “uplink”, “uplink”, “physical uplink”, and the like can be replaced with each other, the terms of “downlink”, “downlink”, “physical downlink”, and the like can be replaced with each other, and the terms of “side”, “sidelink”, “sidelink communication”, “sidelink communication”, “direct connection”, “direct connection link”, “direct connection communication”, “direct connection link communication”, and the like can be replaced with each other.
[0211] In some embodiments, “acquire”, “obtain”, “get”, “receive”, “transmit”, “bidirectional transmission”, “send and / or receive”, and the like can be replaced with each other, and can be interpreted as receiving from other subjects, acquiring from protocols, acquiring from higher layers, obtaining by self-processing, and the like.
[0212] In some embodiments, the terms of “send”, “transmit”, “report”, “issue”, “transmit”, “bidirectional transmission”, “send and / or receive”, and the like can be replaced with each other.
[0213] In some embodiments, the terms of “time”, “time point”, “time”, “time position”, and the like can be replaced with each other, and the terms of “time length”, “time period”, “time window”, “window”, “time”, and the like can be replaced with each other.
[0214] In some embodiments, the terms "certain", "preset", "pre-set", "set", "indicated", "any", "first", and the like can be replaced with each other, "certain A", "preset A", "pre-set A", "set A", "indicated A", "any A", "first A" can be interpreted as A predetermined in a protocol and the like, or can be interpreted as A obtained by setting, configuring, or indicating, and the like, or can be interpreted as certain A, any A, or first A, and the like, but are not limited thereto.
[0215] FIG. 3A is a flowchart of a handover method according to an embodiment of the present disclosure, applied to a first network device. As shown in FIG. 3A, the present disclosure relates to a handover method, and the method comprises:
[0216] In step S3101, the first network device sends second information to a second network device.
[0217] The optional implementation of step S3101 can refer to the optional implementation of step S2101 in FIG. 2 and other associated parts in the embodiments related to FIG. 2, which will not be repeated here.
[0218] In step S3102, the first network device determines whether to hand over to a cell of the second network device based on the first information.
[0219] The optional implementation of step S3102 can refer to the optional implementation of step S2105 in FIG. 2 and other associated parts in the embodiments related to FIG. 2, which will not be repeated here.
[0220] The handover method related to the embodiments of the present disclosure can include at least one of steps S3101-S3102. For example, step S3101 can be implemented as an independent embodiment, and step S3102 can be implemented as an independent embodiment.
[0221] FIG. 3B is a flowchart of a handover method according to an embodiment of the present disclosure, applied to a first network device. As shown in FIG. 3B, the present disclosure relates to a handover method, and the method comprises:
[0222] In step S3201, the first network device receives first information sent by a second network device.
[0223] In some embodiments, the first information is used by the first network device to determine whether to hand over to a cell of the second network device.
[0224] The optional implementation of step S3201 can refer to the optional implementation of step S2104 in FIG. 2 and other associated parts in the embodiments related to FIG. 2, which will not be repeated here.
[0225] FIG. 4A is a flowchart of a handover method according to an embodiment of the present disclosure, applied to a second network device, as shown in FIG. 4A, the present embodiment of the present disclosure relates to a handover method, the method comprises:
[0226] In step S4101, the second network device measures the uplink information to obtain a measurement result.
[0227] The optional implementation of step S4101 can be referred to step S2103 of FIG. 2 and other associated parts in the embodiments related to FIG. 2, which will not be repeated here.
[0228] In step S4102, the second network device sends first information to the first network device.
[0229] The optional implementation of step S4102 can be referred to step S2104 of FIG. 2 and other associated parts in the embodiments related to FIG. 2, which will not be repeated here.
[0230] The handover method related to the embodiments of the present disclosure can include at least one of steps S4101-S4102. For example, step S4101 can be implemented as an independent embodiment, and step S4102 can be implemented as an independent embodiment.
[0231] FIG. 4B is a flowchart of a handover method according to an embodiment of the present disclosure, applied to a second network device, as shown in FIG. 4B, the present embodiment of the present disclosure relates to a handover method, the method comprises:
[0232] In step S4201, the second network device sends first information to the first network device.
[0233] The optional implementation of step S4101 can be referred to step S2104 of FIG. 2 and other associated parts in the embodiments related to FIG. 2, which will not be repeated here.
[0234] In some embodiments, the first information includes at least one of the following:
[0235] An identifier of the terminal;
[0236] Whether the terminal is predicted to successfully switch to a cell of the second network device at a second time after the first time;
[0237] A predicted value of uplink channel quality of the terminal at a second time after the first time predicted by the second network device;
[0238] The second time corresponding to the predicted value of the predicted uplink channel quality;
[0239] The uplink channel quality of the terminal at the first time.
[0240] In some embodiments, the method further comprises:
[0241] receiving second information sent by the first network device, the second information being used to indicate a resource for the terminal to send information to the second network device.
[0242] In some embodiments, the method further comprises:
[0243] predicting, according to the measurement result of the measured uplink information of the terminal, whether the terminal successfully switches to a cell of the second network device at a second time point after the first time point; or
[0244] predicting, according to the measurement result of the measured uplink information of the terminal, a predicted value of uplink channel quality of the terminal at a second time point after the first time point; or
[0245] determining, according to the measurement result of the measured uplink information of the terminal, uplink channel quality of the terminal at the first time point.
[0246] FIG. 5 is a flowchart of a handover method according to an embodiment of the present disclosure. As shown in FIG. 5, the embodiment of the present disclosure relates to a handover method, and the above method comprises:
[0247] Step S5101: The second network device sends first information to the first network device.
[0248] The optional implementation of step S5101 can refer to the optional implementation of step S2104 in FIG. 2 and other associated parts in the embodiments related to FIG. 2, which will not be described here.
[0249] Step S5102: The first network device receives the first information sent by the second network device.
[0250] The optional implementation of step S5102 can refer to step S2104 in FIG. 2 and other associated parts in the embodiments related to FIG. 2, which will not be described here.
[0251] In some embodiments, the above method can include the method of the above-mentioned embodiments of the communication system side, the terminal side, the network device side, etc., which will not be described here.
[0252] FIG. 6 is a flowchart of a handover method according to an embodiment of the present disclosure. As shown in FIG. 6, the embodiment of the present disclosure relates to a handover method, and the above method comprises:
[0253] Step S6101: The target cell of the second network device receives second indication sent by the first network device, and measures the uplink transmission signal of the terminal.
[0254] In some embodiments, the following information is determined according to the measured uplink signal measurement result of the terminal:
[0255] 1. Whether the terminal will fail or succeed in future handover to the target cell.
[0256] Optionally, the target cell uses AI to obtain the above information. The input of the AI model is the measurement result of the uplink signal of the terminal measured by the target cell.
[0257] 2. The future uplink channel quality of the terminal in the target cell.
[0258] Optionally, the target cell uses AI to obtain the above information. The input of the AI model is the measurement result of the uplink signal of the terminal measured by the target cell.
[0259] 3. The measured uplink channel quality of the terminal.
[0260] Optionally, the uplink channel quality can be multiple, each channel quality corresponding to a time, indicating the channel quality at the corresponding time. The time can indicate a future time or a past time.
[0261] In some embodiments, a first indication is sent to the first network device, and the first indication indicates at least one of the following:
[0262] - terminal identifier
[0263] - indication of whether the terminal will fail or succeed in future handover to the target cell
[0264] - future uplink channel quality of the terminal in the target cell
[0265] - measured uplink channel quality of the terminal
[0266] - time information corresponding to the uplink channel quality
[0267] Optionally, the uplink channel quality can be multiple, each channel quality corresponding to a time, indicating the channel quality at the corresponding time. The time can indicate a future time or a past time.
[0268] Step S6102: The first network device receives the first indication sent by the target cell, and determines the target cell to be switched according to the first indication.
[0269] In some embodiments, the target cell is any of the following:
[0270] - a neighboring cell carried in the measurement report.
[0271] - a neighboring cell triggering the measurement report.
[0272] - a neighbor cell whose downlink signal measurement result is higher than a certain threshold.
[0273] In some embodiments, the first indication indicates at least one of:
[0274] - a terminal identifier.
[0275] - an indication of whether the terminal will fail or succeed in a future handover to the target cell.
[0276] - an uplink channel quality of the terminal in the future obtained by the target cell.
[0277] - an uplink channel quality of the terminal measured by the target cell.
[0278] Optionally, the uplink channel quality can be RSRP, RSRQ or SINR.
[0279] - time information corresponding to the uplink channel quality
[0280] Optionally, there can be multiple uplink channel qualities, each corresponding to a time, indicating the channel quality at the corresponding time. The time can indicate a future time or a past time.
[0281] In some embodiments, a second indication is sent to the target cell, the second indication indicating at least one of:
[0282] - a terminal identifier
[0283] - an uplink signal transmission resource position of the terminal
[0284] In some embodiments, whether the terminal will succeed or fail in a future handover to the target cell is determined according to an uplink signal quality of the terminal in the future in the target cell.
[0285] Optionally, the first network device determines whether the terminal will succeed or fail in a future handover to the target cell using AI. The input of the AI model is a measurement result of the terminal's uplink signal in the future determined by the target cell.
[0286] Optionally, the first network device determines that the terminal will fail in a future handover to the target cell according to an uplink signal quality of the terminal in the future in the target cell being lower than a certain threshold value.
[0287] Optionally, the first network device determines that the terminal will succeed in a future handover to the target cell according to an uplink signal quality of the terminal in the future in the target cell being higher than a certain threshold value.
[0288] In some embodiments, whether the terminal will succeed or fail in a future handover to the target cell is determined according to an uplink signal quality of the terminal measured by the target cell.
[0289] Optionally, the first network device determines, using AI, whether the terminal will successfully or unsuccessfully perform handover to the target cell in the future. The AI model takes as input a measurement result of an uplink signal of the terminal measured by the target cell.
[0290] In the embodiments of the present disclosure, part or all of the steps, and optional implementation manners thereof, can be combined with part or all of the steps in other embodiments, or combined with optional implementation manners of other embodiments.
[0291] The embodiments of the present disclosure also propose a device for implementing any of the above methods, for example, a device comprising units or modules for implementing the steps performed by the terminal in any of the above methods. For another example, another device is proposed, comprising units or modules for implementing the steps performed by the network device (such as an access network device, a core network function node, a core network device, etc.) in any of the above methods.
[0292] It should be understood that the division of units or modules in the above device is only a logical function division, and all or part of them can be integrated into one physical entity, or physically separated. In addition, the units or modules in the device can be implemented in the form of processor calling software: for example, the device includes a processor, the processor is connected with a memory, the memory stores instructions, and the processor calls the instructions stored in the memory to implement any of the above methods or the functions of the units or modules of the device, wherein the processor is a general processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory in the device or a memory outside the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuit, and the functions of part or all of the units or modules can be implemented by designing the hardware circuit, and the hardware circuit can be understood as one or more processors; for example, in one implementation, the hardware circuit is an application-specific integrated circuit (ASIC), and the functions of part or all of the units or modules are implemented by designing the logical relationship of elements in the circuit; for another example, in another implementation, the hardware circuit is a programmable logic device (PLD), and a field programmable gate array (FPGA) is taken as an example, which can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by a configuration file, so as to implement the functions of part or all of the units or modules. All units or modules of the above device can be implemented in the form of processor calling software, or all units or modules can be implemented in the form of hardware circuit, or part of the units or modules can be implemented in the form of processor calling software, and the remaining part can be implemented in the form of hardware circuit.
[0293] In the embodiments of the present disclosure, the processor is a circuit with signal processing capability. In one implementation, the processor can be a circuit with instruction reading and running capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), a digital signal processor (DSP), or the like. In another implementation, the processor can implement certain functions through a logical relationship of hardware circuits, and the logical relationship of the hardware circuits is fixed or can be reconfigured. For example, the processor is a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In the reconfigurable hardware circuit, the processor loads a configuration document to implement the configuration of the hardware circuit. It can be understood that the processor loads instructions to implement the functions of the above part or all units or modules. In addition, the hardware circuit can also be designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), or the like.
[0294] FIG. 7A is a structural schematic diagram of a switching device according to an embodiment of the present disclosure. As shown in FIG. 7A, the switching device 7100 can include at least one of a transceiver module 7101, a processing module 7102, and the like. In some embodiments, the transceiver module 7101 is configured to receive first information sent by a second network device; and the processing module 7102 is configured to determine whether to switch to a cell of the second network device based on the first information. Optionally, the transceiver module 7101 is configured to perform at least one of the communication steps (for example, step S2101, but not limited thereto) of the receiving and / or sending performed by the terminal in any of the above methods, details of which are not described herein again. Optionally, the processing module is configured to perform at least one of the other steps performed by the terminal in any of the above methods, details of which are not described herein again.
[0295] Optionally, the processing module 7102 is configured to perform at least one of the processing and other communication steps performed by the terminal in any of the above methods, details of which are not described herein again.
[0296] FIG. 7B is a structural schematic diagram of the switching device according to the embodiments of the present disclosure. As shown in FIG. 7B, the switching device 7200 can include at least one of a transceiver module 7201, a processing module 7202, etc. In some embodiments, the transceiver module 7201 is configured to send first information to a first network device, the first information being used to determine whether to switch to a cell of a second network device. Optionally, the transceiver module described above is configured to perform at least one of the communication steps (e.g., sending and / or receiving) performed by the network device in any of the methods described above, which will not be repeated here.
[0297] Optionally, the processing module 7202 is configured to perform at least one of the communication steps (e.g., processing) performed by the network device in any of the methods described above, which will not be repeated here.
[0298] In some embodiments, the transceiver module can include a sending module and / or a receiving module, which can be separate or integrated together. Optionally, the transceiver module can be replaced by a transceiver.
[0299] In some embodiments, the processing module can be a single module or can include multiple sub-modules. Optionally, the multiple sub-modules perform all or part of the steps required to be performed by the processing module. Optionally, the processing module can be replaced by a processor.
[0300] FIG. 8A is a structural schematic diagram of a communication device 8100 according to the embodiments of the present disclosure. The communication device 8100 can be a network device (e.g., an access network device, a core network device, etc.), a terminal, a chip, a chip system, or a processor supporting the network device to implement any of the methods described above, or a chip, a chip system, or a processor supporting the terminal to implement any of the methods described above. The communication device 8100 can be used to implement the methods described in the above method embodiments, which can be referred to the descriptions in the above method embodiments.
[0301] As shown in FIG. 8A, the communication device 8100 includes one or more processors 8101. The processor 8101 can be a general-purpose processor or a special-purpose processor, etc., such as a baseband processor or a central processing unit. The baseband processor can be configured to process communication protocols and communication data, and the central processing unit can be configured to control the switching device (e.g., a base station, a baseband chip, a terminal, a terminal chip, a DU, or a CU, etc.), execute programs, and process data of the programs. The communication device 8100 is configured to execute any of the methods described above.
[0302] In some embodiments, the communication device 8100 further includes one or more memories 8102 configured to store instructions. Optionally, all or part of the memory 8102 can also be outside the communication device 8100.
[0303] In some embodiments, the communication device 8100 further includes one or more transceivers 8103. When the communication device 8100 includes one or more transceivers 8103, the transceiver 8103 performs at least one of the communication steps (for example, steps S2101, S2102, S2103, S2104, but not limited to) in the above-described methods, such as transmission and / or reception.
[0304] In some embodiments, the transceiver can include a receiver and / or a transmitter, which can be separate or integrated together. Optionally, the terms transceiver, transceiving unit, transceiver, transceiving circuit, etc. can be replaced with each other, the terms transmitter, transmitting unit, transmitter, transmitting circuit, etc. can be replaced with each other, and the terms receiver, receiving unit, receiver, receiving circuit, etc. can be replaced with each other.
[0305] In some embodiments, the communication device 8100 can include one or more interface circuits 8104. Optionally, the interface circuit 8104 is connected to the memory 8102, and the interface circuit 8104 can be used to receive signals from the memory 8102 or other devices, and can be used to send signals to the memory 8102 or other devices. For example, the interface circuit 8104 can read instructions stored in the memory 8102 and send the instructions to the processor 8101.
[0306] The communication device 8100 described in the above embodiments can be a network device or a terminal, but the scope of the communication device 8100 described in the present disclosure is not limited thereto, and the structure of the communication device 8100 can not be limited by Figure 8A. The communication device can be a standalone device or can be part of a larger device. For example, the communication device can be: 1) a standalone integrated circuit (IC), or a chip, or a chip system or subsystem; (2) a set of one or more ICs, which can optionally also include storage components for storing data, programs; (3) an ASIC, such as a Modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal, smart terminal, cellular phone, wireless device, handset, mobile unit, car-mounted device, network device, cloud device, artificial intelligence device, etc.; (6) other, etc.
[0307] Figure 8B is a structural schematic diagram of a chip 8200 according to an embodiment of the present disclosure. For the case where the communication device 8100 is a chip or a chip system, the structural schematic diagram of the chip 8200 shown in Figure 8B can be referred to, but is not limited thereto.
[0308] The chip 8200 includes one or more processors 8201, and the chip 8200 is configured to execute any of the above methods.
[0309] In some embodiments, the chip 8200 further includes one or more interface circuits 8202. Optionally, the interface circuits 8202 are connected with the memory 8203, and the interface circuits 8202 can be configured to receive signals from the memory 8203 or other devices, and the interface circuits 8202 can be configured to send signals to the memory 8203 or other devices. For example, the interface circuits 8202 can read instructions stored in the memory 8203 and send the instructions to the processor 8201.
[0310] In some embodiments, the interface circuits 8202 perform at least one of the communication steps of sending and / or receiving in the above-described methods, and the processor 8201 performs at least one of the other steps.
[0311] In some embodiments, the terms interface circuit, interface, transceiver pin, transceiver, etc. can be replaced by each other.
[0312] In some embodiments, the chip 8200 further includes one or more memories 8203 for storing instructions. Optionally, all or part of the memories 8203 can be outside the chip 8200.
[0313] The disclosure also proposes a storage medium, and the storage medium stores instructions, and when the instructions run on the communication device 8100, the communication device 8100 performs any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer readable storage medium, but is not limited to this, and it can also be a storage medium readable by other devices. Optionally, the storage medium can be a non-transitory storage medium, but is not limited to this, and it can also be a transitory storage medium.
[0314] The disclosure also proposes a program product, and when the program product is executed by the communication device 8100, the communication device 8100 performs any of the above methods. Optionally, the program product is a computer program product.
[0315] The disclosure also proposes a computer program, and when the computer program runs on a computer, the computer performs any of the above methods.
Claims
1. A switching method, characterized in that: The method is performed by a first network device, and the terminal is located in a serving cell of the first network device; the method includes: receiving first information sent by a second network device; Determine whether to switch to the cell of the second network device based on the first information.
2. The method according to claim 1, characterized in that The first information includes at least one of the following: an identifier of the terminal; Whether the terminal successfully switches to the cell of the second network device at a second moment after the first moment; a predicted value of the uplink channel quality of the terminal at a second moment after the first moment, predicted by the second network device; a second moment corresponding to a predicted value of the predicted uplink channel quality; The uplink channel quality of the terminal at the first moment.
3. The method according to claim 2, characterized in that The method further comprises: Based on the predicted value of the uplink channel quality of the terminal at a second moment after the first moment acquired by the second network device, it is predicted whether the terminal successfully switches to the cell of the second network device at the second moment after the first moment.
4. The method according to claim 3, characterized in that The predicting, based on the predicted value of the uplink channel quality of the terminal at a second moment after the first moment acquired by the second network device, whether the terminal successfully switches to the cell of the second network device at the second moment after the first moment, includes: The predicted value of the uplink channel quality of the terminal at a second moment after the first moment, obtained by the second network device, is less than a first preset channel quality, and it is determined that the terminal fails to switch to the cell of the second network device at the second moment after the first moment; or The predicted value of the uplink channel quality of the terminal at a second moment after the first moment predicted by the second network device is greater than a second preset channel quality, and it is determined that the terminal is successfully handed over to the cell of the second network device at the second moment after the first moment; or Based on the predicted value of the uplink channel quality of the terminal at a second moment after the first moment predicted by the second network device and the first AI model, determine whether the terminal successfully switches to the cell of the second network device at the second moment after the first moment.
5. The method according to claim 2, characterized in that The method further comprises: Based on the uplink channel quality of the terminal at the first moment measured by the second network device, it is predicted whether the terminal successfully switches to the cell of the second network device at a second moment after the first moment.
6. The method according to claim 5, characterized in that The predicting, based on the uplink channel quality of the terminal at the first moment measured by the second network device, whether the terminal successfully switches to the cell of the second network device at a second moment after the first moment, includes: Based on the uplink channel quality of the terminal at the first moment measured by the second network device and the first AI model, determine whether the terminal successfully switches to the cell of the second network device at a second moment after the first moment.
7. The method according to any one of claims 1 to 6, characterized in that: The method further comprises: Second information is sent to the second network device, where the second information is used to indicate resources for the terminal to send information to the second network device.
8. The method according to claim 7, characterized in that The second information includes at least one of the following: an identifier of the terminal; The resource location where the terminal sends uplink information.
9. The method according to any one of claims 1 to 8, characterized in that: The cell of the second network device includes at least one of the following: The cell that triggers the measurement report; Indicates the cell for measurement reporting; The cell whose measurement result is greater than the first channel quality.
10. A switching method, characterized in that: The method is performed by a second network device, and the method includes: First information is sent to the first network device, where the first information is used to determine whether to switch to the cell of the second network device.
11. The method according to claim 10, characterized in that The first information includes at least one of the following: The terminal's identification; Whether the terminal successfully switches to the cell of the second network device at a second moment after the first moment; a predicted value of the uplink channel quality of the terminal at a second moment after the first moment, predicted by the second network device; a second moment corresponding to a predicted value of the predicted uplink channel quality; The uplink channel quality of the terminal at the first moment.
12. The method according to claim 10 or 11, characterized in that The method further comprises: Second information sent by the first network device is received, where the second information is used to indicate resources for the terminal to send information to the second network device.
13. The method according to claim 11, characterized in that The method further comprises: Predicting whether the terminal successfully switches to the cell of the second network device at a second moment after the first moment based on the measurement result of the uplink information of the terminal; or, Predicting a predicted value of uplink channel quality of the terminal at a second time after the first time according to a measurement result of uplink information of the terminal; or, The uplink channel quality of the terminal at the first moment is determined according to a measurement result of the measured uplink information of the terminal.
14. A switching device, characterized in that: The switching device comprises: a transceiver module, configured to receive first information sent by a second network device; A processing module is used to determine whether to switch to the cell of the second network device based on the first information.
15. A switching device, characterized in that: The switching device comprises: The transceiver module is used to send first information to the first network device, where the first information is used to determine whether to switch to the cell of the second network device.
16. A terminal, characterized in that: The terminal includes: one or more processors; The processor is configured to execute the switching method according to any one of claims 1 to 9.
17. A network device, characterized in that: The network equipment includes: one or more processors; The processor is configured to execute the switching method according to any one of claims 10 to 13.
18. A storage medium storing instructions, characterized in that: When the instruction is executed on a communication device, the communication device is caused to execute the handover method according to any one of claims 1 to 13.
19. A computer program product, characterized in that When the computer program product is run on a communication device, the communication device is enabled to perform the handover method according to any one of claims 1 to 13.
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