Disclosure of Invention
The embodiment of the application aims to provide a service processing method, a terminal device and a network side device, which can solve the problem of low call completing rate of network fallback.
In a first aspect, an embodiment of the present application provides a service processing method, where the method includes:
under the condition of returning to a second network for service processing, receiving configuration information of a new air interface NR B1 event sent by network side equipment of the second network;
performing network measurement of the NR B1 event based on the configuration information, and sending a measurement result of the network measurement to the network side equipment under the condition that a preset trigger condition is met;
the preset trigger condition comprises any one or combination of the following conditions:
the timer times out;
after receiving a call request, entering a ringing state;
and entering a conversation state after receiving the call request.
In a second aspect, an embodiment of the present application provides a service processing method, where the method includes:
under the condition that the terminal equipment backs to a second network for service processing, sending configuration information of a new air interface NR B1 event to the terminal equipment;
receiving a measurement result of network measurement sent by the terminal device, wherein the measurement result is sent by the terminal device when a preset trigger condition is met after the terminal device performs network measurement of the NR B1 event based on the configuration information;
the preset trigger condition comprises any one or combination of the following conditions:
the timer times out;
after receiving a call request, entering a ringing state;
and entering a conversation state after receiving the call request.
In a third aspect, an embodiment of the present application provides a terminal device, including: the receiving module is used for receiving configuration information of a new air interface NR B1 event sent by network side equipment of a second network under the condition of returning to the second network for service processing;
the processing module is used for performing network measurement of the NR B1 event based on the configuration information, and sending a measurement result of the network measurement to the network side equipment under the condition that a preset trigger condition is met;
the preset trigger condition comprises any one or combination of the following conditions:
the timer times out;
after receiving a call request, entering a ringing state;
and entering a conversation state after receiving the call request.
In a fourth aspect, an embodiment of the present application provides a network side device, including:
a sending module, configured to send configuration information of a new air interface NR B1 event to a terminal device when the terminal device backs to a second network for service processing;
a processing module, configured to receive a measurement result of network measurement sent by the terminal device, where the measurement result is sent by the terminal device when a preset trigger condition is met after the terminal device performs network measurement on the NR B1 event based on the configuration information;
the preset trigger condition comprises any one or combination of the following conditions:
the timer times out;
after receiving a call request, entering a ringing state;
and entering a conversation state after receiving the call request.
In a fifth aspect, the present application provides an electronic device, which includes a processor, a memory, and a program or instructions stored on the memory and executable on the processor, and when executed by the processor, the program or instructions implement the steps of the method according to the first aspect or the second aspect.
In a sixth aspect, the present application provides a computer-readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the method according to the first or second aspect.
In a seventh aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the steps of the method according to the first aspect or the second aspect.
According to the service processing method, the terminal device and the network side device provided by the embodiment of the application, the terminal device sends the measurement result of the network measurement to the network side device only when the terminal device meets the preset trigger condition, the time for the terminal device to send the measurement result of the network measurement is delayed to a certain extent, and a certain time is provided for the network side device to establish a special load for the terminal device, so that the network fallback success rate is improved.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present application, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
Fig. 1 is a schematic flow chart of a service processing method according to an embodiment of the present application. As shown in fig. 1, the method includes:
step 101: and the terminal equipment receives the configuration information of a new air interface NR B1 event sent by the network side equipment of the second network under the condition of returning to the second network for service processing.
Specifically, when the terminal device performs service processing by returning from the first network to the second network, the terminal device receives configuration information of a new air interface NR B1 event sent by the network side device of the second network.
Optionally, the first network may be a 5G SA network, and the second network may be a 4G network.
Terminal equipment resides in 5G SA (Standard alone, independent networking), registers VoLTE and processes service; when the network side equipment learns that the terminal equipment makes a call or receives the call, the terminal equipment EPS Fallback to 4G, the terminal equipment sends a TAU (Tracking Area Update) request to the network side equipment, and the network side equipment responds to the received TAU request, successfully switches the context of the terminal equipment in 5G SA to the 4G network, namely the terminal equipment EPS Fallback to 4G network carries out service processing; the network side equipment establishes a voice or video special load for the terminal equipment to complete voice or video service, meanwhile, the network side equipment sends configuration information of a new air interface NR B1 event to the terminal equipment, and the terminal equipment receives the configuration information of the new air interface NR B1 event sent by the 4G network side equipment.
Step 102: and the terminal equipment performs network measurement of the NR B1 event based on the configuration information, and sends a measurement result of the network measurement to the network side equipment under the condition that a preset trigger condition is met.
Specifically, the terminal device performs network measurement of the NR B1 event based on the configuration information, and sends a measurement result of the network measurement to the network-side device when a preset trigger condition is satisfied, and the network-side device receives the measurement result, and configures an NR SCG (Secondary Cell group) Secondary Cell for the terminal device in response to the measurement result, so as to enhance the data communication capability of the terminal device, so that the terminal device can enjoy a fast data communication service even if the terminal device falls back to a 4G call.
The preset trigger condition comprises any one or combination of the following conditions:
the timer times out;
after receiving a call request, entering a ringing state;
and entering a conversation state after receiving the call request.
Specifically, if the preset trigger condition is that the timer is overtime, the terminal device performs network measurement of the NR B1 event based on the configuration information, and sends a measurement result of the network measurement to the network-side device when the timer is overtime, and the network-side device receives the measurement result and configures an NR SCG auxiliary cell for the terminal device in response to the measurement result.
If the preset trigger condition is that the terminal device enters a ringing state after receiving a call request, the terminal device performs network measurement of the NR B1 event based on the configuration information, and sends a measurement result of the network measurement to the network side device when the terminal device enters the ringing state after receiving the call request, and the network side device receives the measurement result and configures an NR SCG auxiliary cell for the terminal device in response to the measurement result.
If the preset trigger condition is that the terminal device enters a call state after receiving a call request, the terminal device performs network measurement of the NR B1 event based on the configuration information, and sends a measurement result of the network measurement to the network side device when the terminal device enters the call state after receiving the call request, and the network side device receives the measurement result and configures an NR SCG auxiliary cell for the terminal device in response to the measurement result.
According to the service processing method provided by the embodiment of the application, the terminal equipment sends the measurement result of the network measurement to the network side equipment under the condition that the preset trigger condition is met, the time for the terminal equipment to send the measurement result of the network measurement is delayed to a certain extent, a certain time is provided for the network side equipment to establish the special load for the terminal equipment, the problem that the network side equipment fails to establish the special load for the terminal equipment due to the fact that the terminal equipment sends the measurement result of the network measurement to the network side equipment too fast is avoided, and the network fallback and call completing rate is improved.
Based on any embodiment of the foregoing, when the preset trigger condition is that a timer expires, after receiving configuration information of a new air interface NR B1 event sent by a network side device of the second network, the method further includes:
the terminal equipment configures the trigger time of the timer according to the configuration information;
and updating the trigger time to the preset time threshold value under the condition that the trigger time is not greater than the preset time threshold value.
In particular, a preset time threshold TB1The setting can be performed according To the actual situation, taking a preset time threshold as 5s as an example, after the terminal device receives the configuration information of the new air interface NR B1 event sent by the network side device of the second network, the terminal device configures the Trigger time To Trigger of the timer according To the configuration information; if time To Trigger>5s, then TB1Time To Trigger; if time To Trigger<When it is 5s, then TB1=5s。
After receiving the configuration information of the new air interface NR B1 event sent by the network side equipment of the second network, the terminal equipment performs network measurement of the NR B1 event based on the configuration information, and simultaneously starts TB1After the terminal device completes the network measurement of the NR B1 event, if TB1 is still running, the measurement result of the network measurement is not reported to the network side device; and if TB1 has timed out, sending a measurement result of network measurement to the network side equipment, receiving the measurement result by the network side equipment, and configuring an NR SCG auxiliary cell for the terminal equipment in response to the measurement result.
The service processing method provided by the embodiment of the application achieves the purpose that the 4G cell configures the terminal device with the special voice or video load first and then configures the terminal device with the NR SCG auxiliary cell by controlling the reporting time of the network result of the network measurement of the NR B1 event reported by the terminal device to the network side device, thereby ensuring the success of call establishment and enhancing the data communication capability of the terminal device.
Based on any of the above embodiments, the method further comprises:
and under the condition that the terminal equipment does not meet the preset triggering condition, discarding the measurement result of the network measurement.
Specifically, after the terminal device completes network measurement of the NR B1 event, if the preset trigger condition is not met, discarding the measurement result of the network measurement; and sending a measurement result of network measurement to the network side equipment until a preset condition is met, receiving the measurement result by the network side equipment, and configuring an NR SCG auxiliary cell for the terminal equipment in response to the measurement result.
Fig. 2 is a second schematic flowchart of a service processing method according to an embodiment of the present application. As shown in fig. 2, the method includes:
step 201: and the network side equipment sends the configuration information of a new air interface NR B1 event to the terminal equipment under the condition that the terminal equipment backs to a second network for service processing.
Specifically, the terminal equipment resides in the 5G SA network, and registers VoLTE for service processing; when the network side equipment learns that the terminal equipment makes or receives a call, the terminal equipment EPS Fallback to 4G, the terminal equipment sends a TAU request to the network side equipment, the network side equipment responds to the received TAU request, the context of the terminal equipment in 5G SA is successfully switched to the 4G network, namely the terminal equipment EPS Fallback to 4G network carries out service processing, the network side equipment establishes a voice or video special load for the terminal equipment to complete voice or video service, meanwhile, the network side equipment sends configuration information of a new air interface NR B1 event to the terminal equipment, and the terminal equipment receives configuration information of a new air interface NR B1 event sent by the 4G network side equipment.
Step 202: and the network side equipment receives a measurement result of network measurement sent by the terminal equipment, wherein the measurement result is sent by the terminal equipment under the condition that a preset trigger condition is met after the terminal equipment carries out the network measurement of the NR B1 event based on the configuration information.
Specifically, the terminal device performs network measurement of the NR B1 event based on the configuration information, and sends a measurement result of the network measurement to the network-side device when a preset trigger condition is satisfied, and the network-side device receives the measurement result.
The preset trigger condition comprises any one or combination of the following conditions:
the timer times out;
after receiving a call request, entering a ringing state;
and entering a conversation state after receiving the call request.
Specifically, if the preset trigger condition is that the timer is overtime, the terminal device performs network measurement of the NR B1 event based on the configuration information, and sends a measurement result of the network measurement to the network-side device when the timer is overtime, and the network-side device receives the measurement result.
If the preset trigger condition is that the terminal device enters a ringing state after receiving the call request, the terminal device performs network measurement of the NR B1 event based on the configuration information, and sends a measurement result of the network measurement to the network side device when the terminal device enters the ringing state after receiving the call request, and the network side device receives the measurement result.
If the preset trigger condition is that the terminal device enters a call state after receiving a call request, the terminal device performs network measurement of the NR B1 event based on the configuration information, and sends a measurement result of the network measurement to the network side device when the terminal device enters the call state after receiving the call request, and the network side device receives the measurement result.
According to the service processing method provided by the embodiment of the application, the terminal equipment sends the measurement result of the network measurement to the network side equipment under the condition that the preset trigger condition is met, the time for the terminal equipment to send the measurement result of the network measurement is delayed to a certain extent, a certain time is provided for the network side equipment to establish the special load for the terminal equipment, the problem that the network side equipment fails to establish the special load for the terminal equipment due to the fact that the terminal equipment sends the measurement result of the network measurement to the network side equipment too fast is avoided, and the network fallback and call completing rate is improved.
Based on any of the above embodiments, the method further comprises:
and under the condition that the network side equipment receives the measurement result, configuring an NR SCG auxiliary cell for the terminal equipment.
Specifically, when receiving the measurement result, the network side device configures an NR SCG secondary cell for the terminal device in response to the measurement result to enhance the data communication capability of the terminal device, so that the terminal device can enjoy a fast data communication service even if falling back to a 4G call.
The service processing method provided by the embodiment of the application achieves the purpose that the 4G cell configures the terminal device with the special voice or video load first and then configures the terminal device with the NR SCG auxiliary cell by controlling the reporting time of the network result of the network measurement of the NR B1 event reported by the terminal device to the network side device, thereby ensuring the success of call establishment and enhancing the data communication capability of the terminal device.
A specific example is used to describe the service processing method according to the embodiment of the present application, and fig. 3 is a second schematic flow chart of the service processing method according to the embodiment of the present application, as shown in fig. 3:
step 301: starting a mobile phone, staying in a 5G SA network, registering VoLTE, and making or receiving a call;step 302 is performed.
Step 302: the network side equipment acquires that the UE makes or receives a call, the UE EPS Fallback is switched to 4G, the UE sends a TAU request to the network side equipment, and the network side equipment responds to the received TAU request and successfully switches the context of the UE in the 5G SA to the 4G network;step 303 is performed.
Step 303: the network side equipment sends configuration information of a new air interface NR B1 event to UE, after the UE receives the configuration information, the UE carries out network measurement of the NR B1 event based on the configuration information, and meanwhile, the terminal equipment starts TB1(ii) aStep 304 is performed.
Step 304: after the terminal device completes the network measurement of the NR B1 event, if TB1If the network is still running, the reporting is not performed, the measurement result of the network measurement is discarded, and the step 203 is executed; if T isB1If the time is out, reporting the measurement result of the network measurement to the network side equipmentGo to step 305
Step 305: the network configures the NR SCG auxiliary cell for the UE, and the data communication capability of the UE is enhanced.
It should be noted that, in the service processing method provided in this embodiment of the present application, the execution main body may be a terminal device, or a control module in the terminal device, which is used for executing a loaded service processing method. The embodiment of the present application describes a terminal device provided in the embodiment of the present application by taking a method for the terminal device to execute a loading service as an example.
Fig. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present invention, and as shown in fig. 4, a terminal device according to an embodiment of the present invention includes a receivingmodule 401 and aprocessing module 402, where:
the receivingmodule 401 is configured to receive configuration information of a new air interface NR B1 event sent by a network side device of a second network when the network returns to the second network for service processing; theprocessing module 402 is configured to perform network measurement on the NR B1 event based on the configuration information, and send a measurement result of the network measurement to the network side device when a preset trigger condition is met.
The preset trigger condition comprises any one or combination of the following conditions:
the timer times out;
after receiving a call request, entering a ringing state;
and entering a conversation state after receiving the call request.
Specifically, the terminal device provided in the embodiment of the present application is configured to execute the method in the corresponding embodiment, and the specific steps of executing the method in the corresponding embodiment by the terminal device provided in this embodiment are the same as those in the corresponding embodiment, and are not described again here.
Based on any embodiment of the foregoing, when the preset trigger condition is that the timer is overtime, after the receiving module receives the configuration information of the new air interface NR B1 event sent by the network side device of the second network, the processing module is further configured to:
configuring the trigger time of the timer according to the configuration information;
and updating the trigger time to the preset time threshold value under the condition that the trigger time is not greater than the preset time threshold value.
Based on any embodiment above, the processing module is further configured to:
and under the condition that the preset trigger condition is not met, discarding the measurement result of the network measurement.
According to the terminal device provided by the embodiment of the application, the network measurement result is sent to the network side device only when the preset trigger condition is met, the time for sending the network measurement result by the terminal device is delayed to a certain extent, and a certain time is provided for the network side device to establish a special load for the terminal device, so that the network fallback success rate is improved.
It should be noted that, in the service processing method provided in this embodiment of the present application, the execution main body may be a network side device, or a control module in the network side device, which is used for executing a loaded service processing method. In the embodiment of the present application, a method for a network side device to execute a processing of a loading service is taken as an example to describe the network side device provided in the embodiment of the present application.
Fig. 5 is a schematic structural diagram of a network-side device according to an embodiment of the present invention, and as shown in fig. 5, a network-side device according to an embodiment of the present invention includes a sendingmodule 501 and aprocessing module 502, where:
the sendingmodule 501 is configured to send configuration information of a new air interface NR B1 event to the terminal device when the terminal device returns to the second network for service processing; theprocessing module 502 is configured to receive a measurement result of network measurement sent by the terminal device, where the measurement result is sent by the terminal device when a preset trigger condition is met after the terminal device performs network measurement on the NR B1 event based on the configuration information.
The preset trigger condition comprises any one or combination of the following conditions:
the timer times out;
after receiving a call request, entering a ringing state;
and entering a conversation state after receiving the call request.
Specifically, the network side device provided in this embodiment of the present application is configured to execute the method in the corresponding embodiment, and the specific steps of executing the method in the corresponding embodiment by the network side device provided in this embodiment are the same as those in the corresponding embodiment, and are not described herein again. Based on any embodiment above, the processing module is further configured to:
and under the condition of receiving the measurement result, configuring an NR SCG auxiliary cell for the terminal equipment.
According to the network side equipment provided by the embodiment of the application, the terminal equipment sends the measurement result of the network measurement to the network side equipment under the condition that the preset trigger condition is met, the time for the terminal equipment to send the measurement result of the network measurement is delayed to a certain extent, and a certain time is provided for the network side equipment to establish a special load for the terminal equipment, so that the network fallback success rate is improved.
Optionally, as shown in fig. 6, an electronic device is further provided in this embodiment of the present application, and includes amemory 601, aprocessor 602, and a program or an instruction stored in thememory 601 and executable on theprocessor 602, where the program or the instruction is executed by theprocessor 602 to implement each process of the foregoing service processing method embodiment, and can achieve the same technical effect, and no further description is provided here to avoid repetition.
It should be noted that the electronic devices in the embodiments of the present application include the mobile electronic devices and the non-mobile electronic devices described above.
Fig. 7 is a hardware schematic diagram of an electronic device according to an embodiment of the present application, and as shown in fig. 7, theelectronic device 700 includes, but is not limited to: aradio frequency unit 701, anetwork module 702, anaudio output unit 703, aninput unit 704, asensor 705, adisplay unit 706, auser input unit 707, aninterface unit 708, amemory 709, aprocessor 710, and the like.
Those skilled in the art will appreciate that theelectronic device 700 may also include a power supply (e.g., a battery) for powering the various components, and the power supply may be logically coupled to theprocessor 710 via a power management system, such that the functions of managing charging, discharging, and power consumption may be performed via the power management system. The electronic device structure shown in fig. 7 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than those shown, or combine some components, or arrange different components, and thus, the description is omitted here.
It should be understood that in the embodiment of the present application, theinput Unit 704 may include a Graphics Processing Unit (GPU) 7041 and amicrophone 7042, and the Graphics processor 10041 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. Thedisplay unit 706 may include adisplay panel 7061, and thedisplay panel 7061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. Theuser input unit 707 includes atouch panel 7071 andother input devices 7072. Thetouch panel 7071 is also referred to as a touch screen. Thetouch panel 7071 may include two parts of a touch detection device and a touch controller.Other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
In the embodiment of the present application, theradio frequency unit 701 acquires information and then sends the information to theprocessor 710 for processing. In general,radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
Thememory 709 may be used to store software programs or instructions as well as various data. Thememory 709 may mainly include a storage program or instruction area and a storage data area, wherein the storage program or instruction area may store an operating system, an application program or instruction (such as a sound playing function, an image playing function, etc.) required by at least one function, and the like. In addition, theMemory 709 may include a high-speed random access Memory and a nonvolatile Memory, where the nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
Processor 710 may include one or more processing units; alternatively,processor 710 may integrate an application processor that handles primarily the operating system, user interface, and application programs or instructions, etc. and a modem processor that handles primarily wireless communications, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated intoprocessor 710.
Theradio frequency unit 701 is configured to receive configuration information of a new air interface NR B1 event sent by a network side device of a second network when a fallback to the second network is performed for service processing; performing network measurement of the NR B1 event based on the configuration information, and sending a measurement result of the network measurement to the network side equipment under the condition that a preset trigger condition is met; the preset trigger condition comprises any one or combination of the following conditions: the timer times out; after receiving a call request, entering a ringing state; and entering a conversation state after receiving the call request.
Optionally, theradio frequency unit 701 is further configured to, after receiving configuration information of a new air interface NR B1 event sent by the network side device of the second network, if the preset trigger condition is that the timer is overtime:
configuring the trigger time of the timer according to the configuration information;
and updating the trigger time to the preset time threshold value under the condition that the trigger time is not greater than the preset time threshold value.
Optionally, theradio frequency unit 701 is further configured to discard the measurement result of the network measurement when the preset trigger condition is not met.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the foregoing service processing method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the foregoing service processing method embodiment, and can achieve the same technical effect, and the details are not repeated here to avoid repetition.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.
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 an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.