CN114501521B - Dual connection management method and device, electronic equipment and storage medium - Google Patents

Dual connection management method and device, electronic equipment and storage medium Download PDF

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Publication number
CN114501521B
CN114501521B CN202011158335.8A CN202011158335A CN114501521B CN 114501521 B CN114501521 B CN 114501521B CN 202011158335 A CN202011158335 A CN 202011158335A CN 114501521 B CN114501521 B CN 114501521B
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Prior art keywords
link
packet loss
uplink packet
loss number
preset value
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CN114501521A (en
Inventor
韩杨
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H04B17/327—Received signal code power [RSCP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/34—Selective release of ongoing connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention provides a double-connection management method, a device, electronic equipment and a storage medium, wherein the double-connection management method comprises the following steps: acquiring the uplink packet loss number of a PDCP protocol layer; and comparing the acquired uplink packet loss number with a first preset value, and determining whether to change the 5G link state according to a comparison result. In 4G+5G dual connection under NSA, the uplink packet loss number of the PDCP protocol layer of the LTE system is combined to intelligently start or close the 5G link capacity, so that the purposes of improving data transmission experience and reducing power consumption are achieved, and the problem that when the uplink packet loss number of the PDCP protocol layer of the LTE system is not high, the 5G link is started to cause overlarge power consumption is avoided.

Description

Dual connection management method and device, electronic equipment and storage medium
Technical Field
The present invention relates to the field of network connection technologies, and in particular, to a dual connection management method, a device, an electronic device, and a storage medium.
Background
In the prior art, there are two modes of 5G, independent networking (SA, stand alone, full 5G mobile phone+5g base station+5g core network networking) and Non-independent networking (Non Stand alone, i.e. 5G network connection is realized by 4G network assistance, specifically, 5G base station is configured by 4G base station), fig. 1 shows an Option 3x mode diagram of NSA, specifically, 5G base station (gNB, gndeb) is configured by 4G base station (eNB, evolved NodeB, forming a 4G access network, providing 4G protocol stack connection control for a terminal) and 5G base station (gNB, gndeb, forming a 5G access network, providing 5G protocol stack connection control for a terminal).
For reasons such as 3GPP (3 rd Generation partnership Project, third generation partnership project, organization responsible for communication standard formulation, and composed of global carriers and vendors and related groups), the former 5G rapidly meets the requirement of large bandwidth and high rate through 4G assistance, however NSA is 4g+5g dual connectivity for transmitting data, always maintains dual connectivity, and opens a 5G link without using 5G, which may result in excessive power consumption.
Based on the foregoing, there is a need in the art to solve the problem of reducing the power consumption of 4g+5g dual connectivity under non-independent networking.
Disclosure of Invention
In order to solve the problem of reducing 4G+5G dual-connection power consumption under the condition of non-independent networking, the invention provides a dual-connection management method, a device, electronic equipment and a storage medium.
In a first aspect, the present invention provides a dual connectivity management method, comprising:
acquiring the uplink packet loss number of a PDCP protocol layer;
and comparing the acquired uplink packet loss number with a first preset value, and determining whether to change the 5G link state according to a comparison result.
According to an embodiment of the present invention, optionally, before the step of obtaining the uplink packet loss number of the PDCP protocol layer, the method further includes:
determining a connection mode of the terminal;
if the connection mode of the terminal is the connection mode with the priority of power consumption, a 4G link is opened, a 5G link is closed, and the step of acquiring the uplink packet loss number of the PDCP protocol layer is executed.
According to an embodiment of the present invention, optionally, the method further comprises:
if the connection mode of the terminal is a 5G priority connection mode, a 4G link and a 5G link are simultaneously opened.
According to an embodiment of the present invention, optionally, comparing the obtained uplink packet loss number with a first preset value, and determining whether to change the 5G link state according to the comparison result includes:
and if the uplink packet loss number is not smaller than a first preset value, starting a 5G link.
According to an embodiment of the present invention, optionally, comparing the obtained uplink packet loss number with a first preset value, and determining whether to change the 5G link state according to a comparison result, further includes:
and if the uplink packet loss number is smaller than a first preset value, closing the 5G link.
According to an embodiment of the present invention, optionally, comparing the obtained uplink packet loss number with a first preset value, and determining whether to change the 5G link state according to the comparison result includes:
and if the uplink packet loss number is not smaller than a first preset value, and the continuous time length of which is not smaller than the first preset value reaches the preset time delay time length, opening a 5G link.
According to an embodiment of the present invention, optionally, before the step of obtaining the uplink packet loss number of the PDCP protocol layer, the method further includes:
acquiring reference signal receiving power of a 4G link;
and if the reference signal receiving power of the 4G link is lower than a second preset value, executing the step of acquiring the uplink packet loss number of the PDCP protocol layer.
According to an embodiment of the present invention, optionally, the obtaining the reference signal received power of the 4G link includes:
acquiring an uplink quality report of a terminal;
and determining the reference signal receiving power of the 4G link according to the uplink quality report.
In a second aspect, the present invention provides a dual connectivity management apparatus comprising:
the acquisition module is used for acquiring the uplink packet loss number of the PDCP protocol layer;
and the determining module is used for comparing the acquired uplink packet loss number with a first preset value and determining whether to change the 5G link state according to a comparison result.
In a third aspect, the present invention provides an electronic device comprising: a memory and a processor, the memory having stored thereon a computer program which, when executed by the processor, implements the dual connectivity management method as described in the first aspect.
In a fourth aspect, the present invention provides a storage medium comprising: the storage medium has stored thereon a computer program which, when executed by one or more processors, implements the dual connectivity management method as described in the first aspect.
Compared with the prior art, the invention has at least the following beneficial effects:
the invention provides a double connection management method, a device, electronic equipment and a storage medium, which are used for determining whether to change a 5G link state by comparing the uplink packet loss number of a PDCP protocol layer acquired in real time with a first preset value. In 4G+5G dual connection under NSA, the uplink packet loss number of the PDCP protocol layer of the LTE system is combined to intelligently start or close the 5G link capacity, so that the purposes of improving data transmission experience and reducing power consumption are achieved, and the problem that when the uplink packet loss number of the PDCP protocol layer of the LTE system is not high, the 5G link is started to cause overlarge power consumption is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an Option 3x mode diagram of NSA;
FIG. 2 is a flow chart of a dual connectivity management method according to a first embodiment of the present invention;
FIG. 3 is a flow chart of another dual connectivity management method according to a first embodiment of the present invention;
fig. 4 is a block diagram of a dual connection management device according to a second embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
In the related art, the following technical terms are provided:
RRC, radio Resource Control, radio resource control, refers to the air interface protocol stack signaling management layer between the handset and the network.
UE, user Equipment, refers to a User handset.
SCG, second Cell Group refers to a (dual connectivity) second cell, e.g. LTE connectivity, simultaneously configuring a 5G second cell, forming a 4G/5G dual connectivity.
DCNR, dual Connection New Radio,5G new air interface.
The PDU, protocol Data Unit, an information element transmitted by a peer of the network, includes control information, address information or data.
PDCP, packet Data Convergence Protocol, PDCP is an abbreviation for packet data convergence protocol, a radio transmission protocol stack in UMTS (Universal Mobile Telecommunications System ), responsible for compressing and decompressing IP headers, transmitting user data, and maintaining sequence numbers of radio bearers set for lossless radio network service subsystems (SRNS).
Example 1
Fig. 2 shows a flow chart of a dual connectivity management method, and as shown in fig. 2, the present embodiment provides a dual connectivity management method, including the following steps:
step S110, the uplink packet loss number of the PDCP protocol layer is obtained.
And step S120, comparing the acquired uplink packet loss number with a first preset value, and determining whether to change the 5G link state according to a comparison result.
In this embodiment, whether to change the 5G link state is determined by comparing the uplink packet loss number of the PDCP protocol layer acquired in real time with a first preset value. In 4G+5G dual connection under NSA, the uplink packet loss number of the PDCP protocol layer of the LTE system is combined to intelligently start or close the 5G link capacity, so that the purposes of improving data transmission experience and reducing power consumption are achieved, and the problem that when the uplink packet loss number of the PDCP protocol layer of the LTE system is not high, the 5G link is started to cause overlarge power consumption is avoided.
In practical application, the user may select a preset connection mode through the terminal, where the preset connection mode may include power consumption priority and 5G priority, and when the user desires less power consumption and more power saving of the terminal, the user may select the connection mode with power consumption priority, that is, determine that the connection mode of the terminal is the connection mode with power consumption priority, at this time, the terminal enters the connection mode with power consumption priority, opens the 4G link and closes the 5G link, and then execute steps S110 to S120 in the connection mode with power consumption priority. If the user selects the connection mode with 5G priority, that is, the connection mode of the terminal is determined to be 5G priority, the 4G link and the 5G link are opened at the same time, and steps S110 to S120 are not required to be executed in the mode, but the 4G link and the 5G link are opened at the same time, so that the 5G link is always kept in an opened state, and the power consumption is high.
Therefore, as shown in fig. 3, before the uplink packet loss number of the PDCP protocol layer is acquired in step S110, the method may further include:
step S210, determining a connection mode of the terminal.
Step S220, if the connection mode of the terminal is the connection mode with priority of power consumption, the 4G link is opened, the 5G link is closed, and step S110 is executed.
After the user sets the connection mode with the priority of power consumption, the capability of the 5G link is closed, only the 4G link is opened by default, then under the connection mode, the 5G link is intelligently judged to be opened or closed according to the uplink packet loss number of the LTE PDCP protocol layer, and the steps S110 to S120 are executed. For example: when a user performs video call through a terminal, the uplink packet loss number of the LTE PDCP protocol layer is too high, the data transmission rate is influenced, and at the moment, a 5G link is started to improve the transmission efficiency. If the connection mode of the terminal is a connection mode with 5G priority, a 4G link and a 5G link are simultaneously opened, and the 5G link is always kept in an opened state.
Further, whether to change the 5G link state can be judged through the size relation between the uplink packet loss number and the first preset value. For example, when a user performs a video call through a mobile phone, the network environment is stable but the network environment is poor, at this time, the mobile phone and the network are in a connection state, and the network needs the mobile phone to perform measurement report in order to acquire the downlink state in real time, but because the network environment is poor, the signal value of the uplink measurement report of the mobile phone, that is, the RSRP value reported by the LTE physical layer is poor, the network side can allocate less uplink resources to the mobile phone, so that the mobile phone can discard a lot of PDU packets (Protocol Data Unit, protocol data units), and at this time, the user data performance can be ensured by opening a 5G link.
Therefore, in a preferred implementation, step S120 compares the obtained uplink packet loss number with a first preset value, and determines whether to change the 5G link state according to the comparison result, which may include:
step S120-1, if the uplink packet loss number is not less than the first preset value, the 5G link is opened.
And step S120-2, if the uplink packet loss number is smaller than a first preset value, closing the 5G link.
The first preset value may be set to 1000, that is, in a connection mode with priority power consumption, the 5G link is opened when the uplink packet loss number is greater than or equal to 1000, and the 5G link is closed when the uplink packet loss number is less than 1000, so that the capability of intelligently opening or closing the 5G link is realized, and the purposes of improving data transmission experience and reducing power consumption capability are achieved.
Taking the video call of the mobile phone as an example, the network environment is unstable, the network environment is poor, the mobile phone is in a connection state with the network, the network needs the mobile phone to carry out measurement report in order to acquire the downlink state in real time, but because the network environment is poor, the signal value of the uplink measurement report of the mobile phone is poor, the network side can allocate little uplink resource to the mobile phone, so that the mobile phone can discard a plurality of PDU packets, but because of the unstable factors of the network environment, the network signal is good and bad, the ping-pong effect can be generated, and the signal value of the measurement report reported by the mobile phone, namely the RSRP value reported by the LTE physical layer, is good, in order to avoid the problem, the 5G link can be prevented from being frequently opened and closed by adding delay processing.
Therefore, as another preferred implementation manner, the step S120 of comparing the acquired uplink packet loss number with the first preset value, and determining whether to change the 5G link state according to the comparison result may include:
and step S120-3, if the uplink packet loss number is not smaller than the first preset value, and the continuous time length of which is not smaller than the first preset value reaches the preset time delay time length, opening the 5G link.
It can be understood that if the uplink packet loss number is smaller than the first preset value, or if the continuous duration of the uplink packet loss number not smaller than the first preset value but not smaller than the first preset value does not reach the preset delay duration, the 5G link is closed.
Taking the preset delay time length as an example, if the time length of the uplink packet loss number of the LTE PDCP protocol layer is more than or equal to 1000 exceeds 30s delay, the 5G link capacity can be opened at the moment to improve the data transmission efficiency, if the uplink packet loss number of the LTE PDCP protocol layer is less than 1000, the 5G link capacity is closed, and if the uplink packet loss number of the LTE PDCP protocol layer is more than or equal to 1000, but the time length of the uplink packet loss number is less than or equal to 30s continuously, the 5G link capacity is considered not opened, so that the increase of the power consumption caused by the frequent opening and closing of the 5G link can be effectively avoided.
In some cases, after determining that the connection mode of the terminal is the connection mode with priority of power consumption, opening the 4G link, closing the 5G link, determining whether to execute step S110 according to the reference signal received power of the 4G link, that is, if the reference signal received power of the 4G link does not meet a certain condition, that is, the signal is too bad, in the connection mode with priority of power consumption, and cannot meet the transmission requirement, executing steps S110 to S120 to obtain the uplink packet loss number, and determining whether to change the 5G link state according to the comparison result of the uplink packet loss number and the first preset value. And when the reference signal receiving power of the 4G link meets the transmission requirement, the steps S110 to S120 are not executed, so that the following judgment is prevented from being executed when the reference signal receiving power of the 4G link meets the transmission requirement, the increase of the operation amount is avoided, and the intelligent control efficiency is prevented from being influenced.
Thus, in a preferred implementation, before the uplink packet loss number of the PDCP protocol layer is obtained in step S110, the method further includes:
step S310, the reference signal receiving power of the 4G link is obtained.
It can be appreciated that the reference signal received power of the 4G link is the RSRP (Reference Signal Receiving Power, reference signal received power) value reported by the LTE physical layer.
The step S310 of obtaining the reference signal received power of the 4G link further includes the following sub-steps:
step S310-1, an uplink quality report of the terminal is acquired.
Specifically, in order to acquire the downlink state in real time, the terminal needs to perform quality measurement, form an uplink quality report, and reflect the reference signal received power of the 4G link through the uplink quality report.
Step S310-2, determining the reference signal received power of the 4G link according to the uplink quality report.
Step S320, if the reference signal received power of the 4G link is lower than the second preset value, step S110 is executed; otherwise, the process returns to step S310.
Taking the second preset value of-90 dBm as an example, if the reference signal receiving power of the 4G link is more than or equal to-90 dBm, step S110 is not executed, the 5G link is not opened no matter whether the uplink packet loss number is more than or equal to 1000, and the reference signal receiving power of the 4G link is continuously obtained in real time; if the reference signal received power of the 4G link is less than-90 dBm, step S110 is executed, and whether to change the 5G link state is determined according to the comparison result of the uplink packet loss number and the first preset value.
In this embodiment, in the 4g+5g dual connection under NSA, the capability of intelligently opening or closing the 5G link in combination with the uplink packet loss number of the PDCP protocol layer of the LTE system is achieved, so as to achieve the purposes of improving the data transmission experience and reducing the power consumption capability, and avoid the excessive power consumption caused by starting the 5G link when the uplink packet loss number of the LTE PDCP protocol layer is not high.
Example two
Fig. 4 shows a block diagram of a dual connection management device, and as shown in fig. 4, the present embodiment provides a dual connection management device, including:
an obtaining module 410, configured to obtain an uplink packet loss number of the PDCP protocol layer.
And the determining module 420 is configured to compare the obtained uplink packet loss number with a first preset value, and determine whether to change the 5G link state according to the comparison result.
It is understood that the acquisition module 410 may be used to perform the step S110 of the first embodiment, and the determination module 420 may be used to perform the step S120 of the first embodiment. The determining module 420 may be further configured to perform steps S210 to S220, and steps S310 to S320 of the first embodiment. For details of each step, please refer to embodiment one.
It will be apparent to those skilled in the art that the modules or steps of the invention described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, or they may alternatively be implemented in program code executable by computing devices, such that they may be stored in a memory device for execution by the computing devices, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module. This invention is not limited to any defined combination of hardware and software.
Example III
The present embodiment provides an electronic device including: a memory and a processor, the memory having stored thereon a computer program which, when executed by the processor, implements the dual connectivity management method of embodiment one.
In this embodiment, the processor may be an application specific integrated circuit (Application Specific Integrated Circuit, abbreviated as ASIC), a digital signal processor (Digital Signal Processor, abbreviated as DSP), a digital signal processing device (Digital Signal Processing Device, abbreviated as DSPD), a programmable logic device (Programmable Logic Device, abbreviated as PLD), a field programmable gate array (Field Programmable Gate Array, abbreviated as FPGA), a controller, a microcontroller, a microprocessor, or other electronic component implementation for performing the method in the above embodiment. The method implemented when the computer program running on the processor is executed may refer to the specific embodiment of the dual connectivity management method provided in the first embodiment of the present invention, and will not be described herein again.
Example IV
The present embodiment provides a storage medium including: the storage medium has stored thereon a computer program which, when executed by one or more processors, implements the dual connectivity management method of the first embodiment.
In this embodiment, the storage medium may be implemented by any type of volatile or nonvolatile Memory device or combination thereof, such as a static random access Memory (Static Random Access Memory, SRAM for short), an electrically erasable programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EPROM for short), a programmable Read-Only Memory (Programmable Read-Only Memory, PROM for short), a Read-Only Memory (ROM for short), a magnetic Memory, a flash Memory, a magnetic disk, or an optical disk.
In the several embodiments provided in the embodiments of the present invention, it should be understood that the disclosed system and method may be implemented in other manners. The system and method embodiments described above are merely illustrative.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although the embodiments of the present invention are described above, the embodiments are only used for facilitating understanding of the present invention, and are not intended to limit the present invention. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is still subject to the scope of the appended claims.

Claims (9)

1. A dual connectivity management method, comprising:
determining a connection mode of the terminal;
if the connection mode of the terminal is the connection mode with the priority of power consumption, a 4G link is opened, and a 5G link is closed;
acquiring reference signal receiving power of a 4G link;
if the reference signal receiving power of the 4G link is lower than a second preset value, acquiring the uplink packet loss number of the PDCP protocol layer;
and comparing the acquired uplink packet loss number with a first preset value, and determining whether to change the 5G link state according to a comparison result.
2. The dual connectivity management method according to claim 1, further comprising:
if the connection mode of the terminal is a 5G priority connection mode, a 4G link and a 5G link are simultaneously opened.
3. The dual connectivity management method according to claim 1, wherein the comparing the obtained uplink packet loss number with a first preset value, and determining whether to change the 5G link state according to the comparison result includes:
and if the uplink packet loss number is not smaller than a first preset value, starting a 5G link.
4. The dual connectivity management method according to claim 3, wherein the comparing the obtained uplink packet loss number with a first preset value, determining whether to change a 5G link state according to a comparison result, further comprises:
and if the uplink packet loss number is smaller than a first preset value, closing the 5G link.
5. The dual connectivity management method according to claim 1, wherein the comparing the obtained uplink packet loss number with a first preset value, and determining whether to change the 5G link state according to the comparison result includes:
and if the uplink packet loss number is not smaller than a first preset value, and the continuous time length of which is not smaller than the first preset value reaches the preset time delay time length, opening a 5G link.
6. The dual connectivity management method according to claim 1, wherein the obtaining the reference signal received power of the 4G link comprises:
acquiring an uplink quality report of a terminal;
and determining the reference signal receiving power of the 4G link according to the uplink quality report.
7. A dual connectivity management device, comprising:
the acquisition module is used for determining the connection mode of the terminal; if the connection mode of the terminal is the connection mode with the priority of power consumption, a 4G link is opened, and a 5G link is closed; acquiring reference signal receiving power of a 4G link; if the reference signal receiving power of the 4G link is lower than a second preset value, acquiring the uplink packet loss number of the PDCP protocol layer;
and the determining module is used for comparing the acquired uplink packet loss number with a first preset value and determining whether to change the 5G link state according to a comparison result.
8. An electronic device, comprising: a memory and a processor, the memory having stored thereon a computer program which, when executed by the processor, implements the dual connectivity management method of any of claims 1 to 6.
9. A storage medium, comprising: the storage medium having stored thereon a computer program which, when executed by one or more processors, implements the dual connectivity management method of any of claims 1 to 6.
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