CN108282834B - Method for accessing terminal to LTE network and terminal - Google Patents
Method for accessing terminal to LTE network and terminal Download PDFInfo
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- CN108282834B CN108282834B CN201810048463.3A CN201810048463A CN108282834B CN 108282834 B CN108282834 B CN 108282834B CN 201810048463 A CN201810048463 A CN 201810048463A CN 108282834 B CN108282834 B CN 108282834B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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Abstract
The embodiment of the invention provides a method for accessing a terminal to an LTE network and the terminal, wherein the method comprises the following steps: when a terminal sends a first preset number of access requests to a first cell and access fails, acquiring at least one second cell except the first cell; sending an access request to at least one second cell so that the terminal can access one of the at least one second cell; the access request comprises an Attach request or a tracking area update TAU request, and the value of the first preset times is a positive integer smaller than the times of an LTE access request protocol. The embodiment improves the probability that the terminal successfully accesses and resides in the LTE network before the timer is started.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method for accessing a terminal to an LTE network and a terminal.
Background
In the process of accessing the network, the terminal needs to initiate an Attach (Attach) process to an LTE (Long Term Evolution) network to register its own information. In addition, when the terminal location information changes, a Tracking Area Update (TAU) process needs to be initiated to the LTE network, so that the LTE network knows the location information of the terminal, and the terminal can be paged by the LTE network.
However, in the existing LTE network, due to the problems of abnormal configuration, abnormal pseudo base station, abnormal coverage and the like, part of base stations cause continuous failure in the Attach or TAU process of the same cell, and at this time, according to the protocol specification, if the failure times reach 5 times, a T3402 timer is started, and the LTE network is prohibited for 12 minutes and then can be restarted.
In summary, in the prior art, when the Attach or TAU procedure of the same cell continuously fails due to the base station configuration abnormality, the pseudo base station, the coverage abnormality, and the like, the LTE cell cannot be successfully accessed before the T3402 timer is started.
Disclosure of Invention
The invention aims to provide a method for accessing a terminal to an LTE (Long term evolution) network and the terminal, which are used for solving the problem that the LTE cell cannot be successfully accessed before a T3402 timer is started when the Attach or TAU process of the same cell continuously fails due to abnormal base station configuration, abnormal pseudo base station, abnormal coverage and the like in the prior art.
In order to solve the above technical problem, the embodiment of the present invention is implemented as follows: in a first aspect, an embodiment of the present invention provides a method for a terminal to access an LTE network, where the method includes:
when a terminal sends a first preset number of access requests to a first cell and access fails, acquiring at least one second cell except the first cell;
sending an access request to the at least one second cell so that the terminal accesses one of the at least one second cell;
the access request comprises an Attach request or a tracking area update TAU request, and the value of the first preset times is a positive integer smaller than the times of an LTE access request protocol.
In a second aspect, an embodiment of the present invention provides a terminal, including:
the terminal comprises an acquisition module, a sending module and a receiving module, wherein the acquisition module is used for acquiring at least one second cell except a first cell when the terminal sends a first preset number of access requests to the first cell and the access fails;
a first sending module, configured to send an access request to the at least one second cell, so that the terminal accesses one of the at least one second cell;
the access request comprises an Attach request or a tracking area update TAU request, and the value of the first preset times is a positive integer smaller than the times of an LTE access request protocol.
In a third aspect, an embodiment of the present invention provides a terminal, including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program, when executed by the processor, implements the steps of the method for accessing the terminal to the LTE network.
In the embodiment of the invention, when the terminal sends the access request with the first preset times which is less than the times of the LTE access request protocol to the first cell and the access fails, the terminal sends the access request to the at least one second cell so as to be capable of accessing one of the at least one second cell, therefore, when the access abnormality exists in the first cell in which the terminal initiates the Attach request or the TAU request, the terminal can initiate the access request to the second cell, and the probability that the terminal can successfully access and reside in the normal cell to acquire the LTE service before the T3402 timer is started is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a flowchart illustrating steps of a method for a terminal to access an LTE network according to an embodiment of the present invention;
fig. 2 shows a block diagram of a terminal in an embodiment of the invention;
fig. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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 invention.
As shown in fig. 1, a flowchart of steps of a method for a terminal to access an LTE network in an embodiment of the present invention is shown, where the method includes the following steps:
In this step, specifically, the access request may be an Attach request or a TAU request. In addition, the value of the first preset times is a positive integer smaller than the times of the LTE access request protocol. For example, when the terminal continuously fails to initiate Attach or TAU to the cell, according to the protocol, if the number of failures reaches 5 times, the T3402 timer is started, that is, the number of LTE access request protocols in which the terminal continuously sends an access request to the cell is 5 times.
Specifically, the first preset number may be limited to 3, that is, when the terminal sends the access request to the first cell 3 times and the access fails, at least one second cell other than the first cell may be acquired. Therefore, the number of times that the terminal tries to access the first cell can be ensured, and the number of times that the terminal tries to access other cells is not too small, so that the probability that the terminal successfully accesses the cells is improved.
When the terminal sends a first preset number of access requests to the first cell and the access fails, the terminal can stop sending the access requests to the first cell and record the identification information of the first cell; the identification information of the first Cell includes a Physical Cell Identifier (PCI) and a frequency point of the first Cell. Therefore, the number of times that the terminal continuously occupies to send the access request to the first cell is avoided, the number of times that the terminal can use the access request on other cells is ensured, and the probability that the terminal successfully accesses other cells is improved.
When the terminal acquires at least one second cell except the first cell, the terminal may perform LTE network search when the terminal sends a first preset number of access requests to the first cell and access fails, and acquire and record identification information of all searched cells; then judging whether other cells except the first cell exist in all the cells according to the identification information of all the cells and the identification information of the first cell; when other cells than the first cell exist in all the cells, the other cells are determined as the second cells. In this way, the second cells in all the cells obtained by the LTE network search are determined according to the identification information of the cells, that is, when other identification information except the identification information of the first cell exists in all the identification information corresponding to all the cells, the second cells are determined to exist in all the cells, so that the accuracy of the obtained at least one second cell is ensured.
It should be noted that after the second cell is acquired, the first cell may be listed as a forbidden list, and each cell in the forbidden list cannot be registered within a forbidden preset time, for example, the preset time may be set to 12 minutes, 4 hours, or kept until the next restart, etc. Of course, the forbidden list can also be used for cell reselection handover and other procedures.
Of course, after determining whether there are other cells except the first cell in all the cells, when there are no other cells except the first cell in all the cells, the access request may be continuously sent to the first cell for a second preset number of times; the maximum value of the second preset times is the difference value between the LTE access request protocol times and the first preset times. In this way, when the second cell except the first cell is not searched in the LTE network search, the remaining number of access requests can be continuously initiated to the first cell to attempt to successfully access the first cell.
In this step, specifically, when acquiring at least one second cell except for the first cell, an access request may be sent to the at least one second cell, so that the terminal accesses one of the at least one second cell. In this way, after the terminal attempts to access the first cell for the first preset number of times and fails to access, the terminal can attempt to access a second cell except the first cell before the T3402 timer is started, so that the probability that the terminal successfully accesses and resides in the LTE network before the T3402 timer is started is improved.
In this embodiment, when the terminal sends the access request to the first cell for the first preset number of times and the access fails, the terminal sends the access request to at least one second cell other than the first cell, so that the terminal can access one of the at least one second cell, and the probability that the terminal successfully accesses and resides in the LTE network before the T3402 timer is started is increased.
Further, before sending the access request to the at least one second cell, it may be determined whether a total number of transmissions that the terminal is capable of sending the access request is limited.
The terminal can configure the function selection switch to configure the total sending times of the two access requests. Firstly, the total sending times of initiating Attach or TAU access requests in the process of accessing an LTE network is limited to the LTE access request protocol times; secondly, the total number of times of sending Attach or TAU access requests can be initiated without limitation in the process of accessing the LTE network once. During configuration, if it is required to ensure that the terminal is registered in the LTE network as much as possible, the configuration may be such that, in the process of accessing the LTE network once, the total number of times of sending the Attach or TAU access request can be unlimited, so that the terminal can traverse all the LTE cells that can be registered to attempt to send the access request to each traversed cell for a specified number of times; certainly, if it is required to preferentially ensure that the service is normal, the total sending times of initiating the Attach or TAU access request can be limited to the LTE access request protocol times in the process of accessing the LTE network once, so as to avoid that the terminal is in an off-line state for a long time to influence receiving of a telephone call, a short message, or using of a data service, etc. This will be specifically explained below.
Firstly, when an access request is sent to at least one second cell, when the total sending times of the access request which can be sent by a terminal is not limited, the access requests of a third preset time are sent to the traversed second cells in sequence according to a preset sequence of traversing the at least one second cell until the terminal accesses the currently traversed second cell or the traversing of the at least one second cell is completed.
Therefore, the access request is sent to each traversed second cell until all the second cells can be successfully accessed or traversed, the probability that the terminal is successfully accessed and resided in one of the second cells is increased, the probability that the terminal resides in the LTE network is increased, and the probability that the LTE network serves is ensured.
Of course, it should be noted that the value of the third preset time may be specified according to requirements, and the value of the third preset time is not limited herein.
Secondly, when sending an access request to at least one second cell, when the total sending times that the terminal can initiate the access request is limited to the times of an LTE access request protocol, sending the access request of a second preset time to N second cells with the quality larger than a preset threshold value in the at least one second cell so as to enable the terminal to be accessed to one of the N second cells;
the maximum value of the second preset times is the difference value between the LTE access request protocol times and the first preset times; and the value of N is less than or equal to the value of the second preset times.
For example, when the number of times of the LTE access request protocol is 5 times and the first preset number of times is 3 times, the maximum value of the second preset number of times is 2 times, and at this time, one or two second cells with quality greater than a preset threshold may be selected from at least one second cell, so as to improve the probability of successful access to one of the second cells. At this time, if the number of the N second cells is one, the access request may be sent to the second cell for 2 times at most, so that all the access requests for the second preset number of times are used in the second cell, which can improve the probability that the terminal successfully accesses to the second cell, and certainly, if the terminal can successfully access to the second cell when sending the first access request, the terminal does not need to continue to send the second access request; if the number of the N second cells is two, the access request may be sent to the two second cells respectively, so that selecting as many second cells as possible can also increase the probability that the terminal accesses the LTE network, and certainly if the terminal can successfully access when sending the access request to one of the second cells, the terminal does not need to send the access request to the other second cell.
Therefore, the total sending times of the access requests which can be sent by the terminal is limited to the times of the LTE access request protocol, the normal service can be preferentially ensured, and the influence on receiving the telephone call, the short message or using the data service and the like when the terminal is in the off-line state for a long time is avoided.
In the embodiment of the invention, when the terminal sends the access request with the first preset times which is less than the times of the LTE access request protocol to the first cell and the access fails, the terminal sends the access request to at least one second cell so as to be capable of accessing one of the at least one second cell, therefore, when the access abnormality problems such as configuration, coverage or a pseudo base station exist in the first cell of the terminal which initiates the Attach request or the TAU request, the terminal can initiate the access request to the second cell, and the probability that the terminal can be successfully accessed and resided in a normal cell to acquire the LTE service before the T3402 timer is started is improved.
As shown in fig. 2, which is a schematic block diagram of a terminal in an embodiment of the present invention, the terminal includes:
an obtaining module 201, configured to obtain at least one second cell except a first cell when a terminal sends an access request to the first cell for a first preset number of times and an access fails;
a first sending module 202, configured to send an access request to the at least one second cell, so that the terminal accesses one of the at least one second cell;
the access request comprises an Attach request or a tracking area update TAU request, and the value of the first preset times is a positive integer smaller than the times of an LTE access request protocol.
In this embodiment, when the terminal sends the access request to the first cell for the first preset number of times and the access fails, the terminal sends the access request to at least one second cell except the first cell, so that the terminal can access one of the at least one second cell, and the probability that the terminal successfully accesses and resides in the LTE network before the T3402 timer is started is increased.
Optionally, the terminal further includes:
a sending stopping module, configured to stop sending the access request to the first cell, and record identifier information of the first cell; the identification information of the first cell comprises a Physical Cell Identification (PCI) and a frequency point of the first cell.
Optionally, the obtaining module includes:
the terminal comprises an acquisition unit, a search unit and a search unit, wherein the acquisition unit is used for searching an LTE network and acquiring and recording identification information of all searched cells when the terminal sends an access request for a first preset number of times to a first cell and the access fails;
a determining unit, configured to determine whether there are cells other than the first cell in all the cells according to the identifier information of all the cells and the identifier information of the first cell;
a determining unit, configured to determine, when there is another cell other than the first cell in all the cells, the another cell as a second cell.
Optionally, the terminal further includes:
a second sending module, configured to continue to send access requests for a second preset number of times to the first cell when no other cell other than the first cell exists in all the cells; the maximum value of the second preset times is the difference value between the LTE access request protocol times and the first preset times.
Optionally, the first sending module is configured to, when the total number of times that the terminal can send the access request is not limited, sequentially send access requests for a third preset number of times to the traversed second cells according to a preset sequence of traversing the at least one second cell until the terminal accesses the currently traversed second cell or until the traversal of the at least one second cell is completed.
Optionally, the first sending module is configured to, when the total number of times that the terminal can send the access request is defined as the LTE access request protocol number, send a second preset number of access requests to N second cells, of which the quality is greater than a preset threshold, of the at least one second cell, so that the terminal accesses one of the N second cells;
the maximum value of the second preset times is the difference value between the LTE access request protocol times and the first preset times;
and the value of N is less than or equal to the value of the second preset times.
In the embodiment of the invention, when the access request with the first preset times smaller than the times of the LTE access request protocol is sent to the first cell and the access is failed, the access request is sent to the at least one second cell so that the terminal can access one of the at least one second cell, and therefore, when the access abnormality problems such as configuration, coverage or a pseudo base station exist in the first cell of the terminal initiating the Attach request or the TAU request, the terminal can initiate the access request to the second cell, and therefore, the probability that the terminal can successfully access and reside in the normal cell to obtain the LTE service before the T3402 timer is started is improved.
Fig. 3 is a schematic diagram of a hardware structure of a terminal implementing various embodiments of the present invention. The terminal 300 includes but is not limited to: radio frequency unit 301, network module 302, audio output unit 303, input unit 304, sensor 305, display unit 306, user input unit 307, interface unit 308, memory 309, processor 310, and power supply 311. Those skilled in the art will appreciate that the terminal structure shown in fig. 3 is not intended to be limiting and that the terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The processor 310 is configured to, when the terminal sends an access request to a first cell for a first preset number of times and an access fails, acquire at least one second cell except the first cell; sending an access request to the at least one second cell so that the terminal accesses one of the at least one second cell; the access request comprises an Attach request or a tracking area update TAU request, and the value of the first preset times is a positive integer smaller than the times of an LTE access request protocol.
The terminal provided in this embodiment sends the access request to the at least one second cell except the first cell when sending the access request less than the first preset number of times of the LTE access request protocol to the first cell and the access fails, so that the terminal can access one of the at least one second cell, and thus when the first cell where the terminal initiates the Attach request or TAU request has an access abnormality problem such as configuration, coverage, or a pseudo base station, the terminal can initiate the access request to the second cell, thereby improving the probability that the terminal can successfully access and camp on a normal cell to obtain the LTE service before the T3402 timer is started.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 301 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 310; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 301 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. In addition, the radio frequency unit 301 can also communicate with a network and other devices through a wireless communication system.
The terminal provides wireless broadband internet access to the user through the network module 302, such as helping the user send and receive e-mails, browse web pages, access streaming media, and the like.
The audio output unit 303 may convert audio data received by the radio frequency unit 301 or the network module 302 or stored in the memory 309 into an audio signal and output as sound. Also, the audio output unit 303 may also provide audio output related to a specific function performed by the terminal 300 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 303 includes a speaker, a buzzer, a receiver, and the like.
The input unit 304 is used to receive audio or video signals. The input Unit 304 may include a Graphics Processing Unit (GPU) 3041 and a microphone 3042, and the Graphics processor 3041 processes image data of a still picture or video obtained by an image capturing apparatus (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 306. The image frames processed by the graphic processor 3041 may be stored in the memory 309 (or other storage medium) or transmitted via the radio frequency unit 301 or the network module 302. The microphone 3042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 301 in case of the phone call mode.
The terminal 300 also includes at least one sensor 305, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 3061 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 3061 and/or a backlight when the terminal 300 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 305 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 306 is used to display information input by the user or information provided to the user. The Display unit 306 may include a Display panel 3061, and the Display panel 3061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 307 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 307 includes a touch panel 3071 and other input devices 3072. The touch panel 3071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 3071 (e.g., operations by a user on or near the touch panel 3071 using a finger, a stylus, or any suitable object or attachment). The touch panel 3071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 310, and receives and executes commands sent by the processor 310. In addition, the touch panel 3071 may be implemented using various types, such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 307 may include other input devices 3072 in addition to the touch panel 3071. Specifically, the other input devices 3072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein.
Further, the touch panel 3071 may be overlaid on the display panel 3061, and when the touch panel 3071 detects a touch operation on or near the touch panel, the touch operation is transmitted to the processor 310 to determine the type of the touch event, and then the processor 310 provides a corresponding visual output on the display panel 3061 according to the type of the touch event. Although the touch panel 3071 and the display panel 3061 are shown as two separate components in fig. 3 to implement the input and output functions of the terminal, in some embodiments, the touch panel 3071 and the display panel 3061 may be integrated to implement the input and output functions of the terminal, which is not limited herein.
The interface unit 308 is an interface through which an external device is connected to the terminal 300. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 308 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal 300 or may be used to transmit data between the terminal 300 and an external device.
The memory 309 may be used to store software programs as well as various data. The memory 309 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 309 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 310 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 309 and calling data stored in the memory 309, thereby performing overall monitoring of the terminal. Processor 310 may include one or more processing units; preferably, the processor 310 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 310.
The terminal 300 may further include a power supply 311 (such as a battery) for supplying power to various components, and preferably, the power supply 311 may be logically connected to the processor 310 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system.
In addition, the terminal 300 includes some functional modules that are not shown, and are not described in detail herein.
Preferably, an embodiment of the present invention further provides a terminal, which includes a processor 310, a memory 309, and a computer program stored in the memory 309 and capable of running on the processor 310, and when the computer program is executed by the processor 310, the processes of the method embodiment for accessing the terminal to the LTE network are implemented, and the same technical effect can be achieved, and details are not described here to avoid repetition.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the embodiment of the method for accessing the terminal to the LTE network, and can achieve the same technical effect, and in order to avoid repetition, the detailed description is omitted here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
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.
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 invention 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 invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (13)
1. A method for a terminal to access an LTE network is characterized by comprising the following steps:
when a terminal sends a first preset number of access requests to a first cell and access fails, acquiring at least one second cell except the first cell;
sending an access request to the at least one second cell so that the terminal accesses one of the at least one second cell;
the access request comprises an Attach request or a tracking area update TAU request, and the value of the first preset times is a positive integer smaller than the times of an LTE access request protocol.
2. The method of claim 1, wherein when the terminal sends the first cell with the access request for the first preset number of times and the access fails, the method further comprises:
stopping sending the access request to the first cell, and recording the identification information of the first cell; the identification information of the first cell comprises a Physical Cell Identification (PCI) and a frequency point of the first cell.
3. The method of claim 2, wherein the step of acquiring at least one second cell except for the first cell when the terminal sends the first preset number of access requests to the first cell and the access fails comprises:
when a terminal sends an access request for a first preset number of times to a first cell and the access fails, searching an LTE network, and acquiring and recording identification information of all searched cells;
judging whether other cells except the first cell exist in all the cells according to the identification information of all the cells and the identification information of the first cell;
determining the other cell as a second cell when the other cell except the first cell exists in all the cells.
4. The method of claim 3, wherein after the step of determining whether there are other cells except the first cell in all the cells, the method further comprises:
when other cells except the first cell do not exist in all the cells, continuing to send access requests of a second preset number of times to the first cell; the maximum value of the second preset times is the difference value between the LTE access request protocol times and the first preset times.
5. The method of claim 1, wherein the step of sending an access request to the at least one second cell comprises:
and when the total sending times of the access requests which can be sent by the terminal is not limited, sequentially sending access requests of a third preset time to the traversed second cells according to a preset sequence of traversing the at least one second cell until the terminal successfully accesses one of the currently traversed second cells or the traversal of the at least one second cell is completed.
6. The method of claim 1, wherein the step of sending an access request to the at least one second cell comprises:
when the total sending times that the terminal can send the access requests is limited to the LTE access request protocol times, sending the access requests of a second preset time to N second cells with the quality larger than a preset threshold value in the at least one second cell so that the terminal can access one of the N second cells;
the maximum value of the second preset times is the difference value between the LTE access request protocol times and the first preset times;
and the value of N is less than or equal to the value of the second preset times.
7. A terminal, comprising:
the terminal comprises an acquisition module, a sending module and a receiving module, wherein the acquisition module is used for acquiring at least one second cell except a first cell when the terminal sends a first preset number of access requests to the first cell and the access fails;
a first sending module, configured to send an access request to the at least one second cell, so that the terminal accesses one of the at least one second cell;
the access request comprises an Attach request or a tracking area update TAU request, and the value of the first preset times is a positive integer smaller than the times of an LTE access request protocol.
8. The terminal of claim 7, further comprising:
a sending stopping module, configured to stop sending the access request to the first cell, and record identifier information of the first cell; the identification information of the first cell comprises a Physical Cell Identification (PCI) and a frequency point of the first cell.
9. The terminal of claim 8, wherein the obtaining module comprises:
the terminal comprises an acquisition unit, a search unit and a search unit, wherein the acquisition unit is used for searching an LTE network and acquiring and recording identification information of all searched cells when the terminal sends an access request for a first preset number of times to a first cell and the access fails;
a determining unit, configured to determine whether there are cells other than the first cell in all the cells according to the identifier information of all the cells and the identifier information of the first cell;
a determining unit, configured to determine, when there is another cell other than the first cell in all the cells, the another cell as a second cell.
10. The terminal of claim 9, wherein the terminal further comprises:
a second sending module, configured to continue to send access requests for a second preset number of times to the first cell when no other cell other than the first cell exists in all the cells; the maximum value of the second preset times is the difference value between the LTE access request protocol times and the first preset times.
11. The terminal of claim 7, wherein the first sending module is configured to, when a total number of sending times that the terminal can send the access requests is not limited, sequentially send access requests for a third preset number of times to the traversed second cells according to a preset order of traversing the at least one second cell until the terminal successfully accesses the currently traversed one of the second cells or until the traversal of the at least one second cell is completed.
12. The terminal according to claim 7, wherein the first sending module is configured to, when the total number of times that the terminal can send access requests is defined as the LTE access request protocol number, send a second preset number of access requests to N second cells of the at least one second cell, where quality of the N second cells is greater than a preset threshold, so that the terminal accesses one of the N second cells;
the maximum value of the second preset times is the difference value between the LTE access request protocol times and the first preset times;
and the value of N is less than or equal to the value of the second preset times.
13. A terminal comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the method of a terminal accessing an LTE network as claimed in any one of claims 1 to 6.
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| WO2021092957A1 (en) * | 2019-11-15 | 2021-05-20 | Oppo广东移动通信有限公司 | Random access problem reporting method, terminal device and storage medium |
| CN112333744B (en) * | 2020-11-25 | 2023-04-07 | Oppo（重庆）智能科技有限公司 | Cell registration method, device, equipment and storage medium |
| CN116321353B (en) * | 2023-02-24 | 2023-11-24 | 荣耀终端有限公司 | Network access method and related equipment |
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