CN107948996B - Method and device for detecting LTE network access result and computer storage medium - Google Patents
Method and device for detecting LTE network access result and computer storage medium Download PDFInfo
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Abstract
The invention discloses a method and a device for detecting an LTE network access result and a computer storage medium, wherein the method comprises the following steps: detecting a Radio Resource Control (RRC) access request sent by a terminal to a first LTE cell, and not responding to the RRC connection request; if the terminal receives the access request aiming at the cell of at least one network within the first time period, not responding to the access request aiming at the cell of at least one network; after the first time length is finished, whether an RRC access request sent by the terminal aiming at an LTE second cell is received or not is detected in a second time length, and whether the terminal is successfully accessed to the LTE network or not is determined based on a detection result.
Description
Technical Field
The present invention relates to network access technologies in the field of mobile communications, and in particular, to a method and an apparatus for detecting a Long Term Evolution (LTE) network access result, and a computer storage medium.
Background
With the increase of data service demand of users, higher requirements are put on the coverage range and quality of an LTE base station, so that co-station deployment of LTE/TDSCDMA/GSM based on the original system becomes a common practice. The deployment scheme can share part of network elements, the coupling degree of the multi-RAT system is high, unpredictable problems are often brought to the shared network elements of other RATs in the system optimization process of each RAT, and the problems can be solved well only by long-time optimization.
In order to solve the problems caused by the incompatible network deployment, various mobile phone manufacturers adopt various optimization means based on different modules to improve user experience, however, the occurrence of various abnormal conditions can probabilistically cause the failure of UE to access the LTE network, and how to effectively detect the LTE network access result in abnormal scenes is particularly necessary.
Disclosure of Invention
The embodiment of the invention provides a method and a device for detecting an LTE network access result and a computer storage medium, which can judge whether an optimization scheme can be accessed to an LTE cell or not when UE enters an OOS state due to neglect of RRC connection initiated by a terminal caused by the blockage of a specified LTE cell, thereby determining the effectiveness and rationality of the optimization scheme adopted by the terminal.
The method for detecting the LTE network access result provided by the embodiment of the invention is applied to the process that the terminal adopts the preset optimization scheme to execute the LTE network access, and comprises the following steps:
detecting a Radio Resource Control (RRC) access request sent by a terminal to a first LTE cell, and not responding to the RRC connection request;
if the terminal receives the access request aiming at the cell of at least one network within the first time period, not responding to the access request aiming at the cell of at least one network;
after the first time length is finished, whether an RRC access request sent by the terminal aiming at an LTE second cell is received or not is detected in a second time length, and whether the terminal is successfully accessed to the LTE network or not is determined based on a detection result.
The embodiment of the invention provides a device for detecting a network access result, which comprises:
the first detection unit is used for detecting a Radio Resource Control (RRC) access request sent by a terminal to a first LTE cell and not responding to the RRC connection request;
a second detecting unit, configured to not respond to the access request for the cell of the at least one network if the access request for the cell of the at least one network is received by the terminal within the first time period;
and a third detecting unit, configured to detect, after the first duration is ended, whether an RRC access request sent by the terminal for an LTE second cell is received within a second duration, and determine, based on a detection result, whether the terminal successfully accesses the LTE network.
The invention provides a device for detecting an LTE network access result, which is characterized in that the device is applied to a process that a terminal adopts a preset optimization scheme to execute the LTE network access, and comprises the following components: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to perform the steps of the above method when running the computer program.
The present invention provides a computer storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the aforementioned method.
According to the method and the device for detecting the LTE network access result and the computer storage medium, in the process that the terminal executes the LTE network access by adopting a preset optimization scheme, the terminal does not respond when receiving the RRC access request sent by the terminal aiming at the LTE first cell, and does not respond when receiving the access requests aiming at the cells of a plurality of networks within the first time period until detecting the RRC access request aiming at the LTE second cell within the second time period, and whether the LTE network is successfully accessed is determined based on the detection result; wherein the LTE second cell and the LTE first cell encode TACs for different tracking areas. By adopting the scheme provided by the embodiment of the invention, when the RRC connection initiated by the terminal is neglected due to the blockage of a certain appointed LTE cell, so that the UE enters an OOS state, whether the optimized scheme can be accessed into the LTE cell is judged, and the effectiveness and the reasonability of the optimized scheme adopted by the terminal are determined.
Drawings
Fig. 1 is a schematic flowchart 1 of a method for detecting an LTE network access result according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a SIB5 displayed via a computer display screen;
FIG. 3 is a schematic diagram of a SIB7 displayed via a computer display screen;
fig. 4 is a flowchart illustrating a method for detecting an LTE network access result according to an embodiment of the present invention, which is shown in fig. 2;
fig. 5 is a first schematic structural diagram of a device for detecting an LTE network access result according to an embodiment of the present invention;
fig. 6 is a schematic structural composition diagram of a detection apparatus for an LTE network access result according to an embodiment of the present invention.
Detailed Description
So that the manner in which the features and aspects of the embodiments of the present invention can be understood in detail, a more particular description of the embodiments of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings.
The embodiment of the invention provides a method for detecting an LTE (long term evolution) network access result, which is applied to a process that a terminal executes LTE network access by adopting a preset optimization scheme, and as shown in figure 1, the method comprises the following steps:
step 101: detecting an RRC access request sent by a terminal to an LTE first cell, and not responding to the RRC connection request;
step 102: if the terminal receives the access request aiming at the cell of at least one network within the first time period, not responding to the access request aiming at the cell of at least one network;
step 103: after the first time length is finished, whether an RRC access request sent by the terminal aiming at an LTE second cell is received or not is detected in a second time length, and whether the terminal is successfully accessed to the LTE network or not is determined based on a detection result.
The present embodiment may be implemented in a device capable of network environment simulation, and the device may simulate at least one network. Therefore, before the step 101 is executed, a simulation network environment needs to be constructed, and the method specifically includes:
establishing a simulation network environment, wherein the simulation network environment at least comprises the following network structures: an LTE network, a TDSCDMA network, a GSM network;
the system message block SIB7 of the LTE first cell and the LTE second cell of the LTE network is configured with adjacent GSM cell information, and the adjacent LTE cell information is configured in the GSM system message SI; and the LTE first cell, the TDSCDMA cell and the GSM cell are configured with the same public land mobile network PLMN and the same TAC; the LTE second cell and the LTE first cell encode TACs for different tracking areas.
Correspondingly, the LTE network interacting with the terminal is the LTE network in the simulated network environment.
Wherein, PLMN means: networks established and operated by governments or operators approved therefor for the purpose of providing land mobile services to the public. In practical applications, the PLMN is generally set by the operator. The PLMN consists of a Mobile country number (MCC) and a Mobile network number (MNC), wherein the MCC uniquely represents the country of the Mobile subscriber, and the MCC in China is 460; the MNC uniquely represents the network in the country, for example, the china mobile GSM network is 00 and the china unicom GSM network is 01.
For example, as described with reference to fig. 2 and 3, the simulation network constructs a network environment including 2 cells, which are TDD-LTE/1 TDSCDMA/1 GSM cell respectively;
GSM neighbor Cell information is configured in SIB7 of LTE Cell0 (i.e., LTE first Cell) and Cell1(LTE second Cell), for example, SIB 7with GSM N-Cell shown in fig. 3 indicates GSM as a neighbor Cell, and LTE neighbor Cell information is configured in GSM SI. LTE Cell0, TDSCDMA, GSM cells are all configured as the same PLMN, the same TAC code. Also, LTE Cell0 and LTE Cell1 are configured with different TAC codes.
The abnormal scene of the application embodiment is as follows: the terminal fails to access in a specific cell EPS, and the network issues abnormal cause values in the process of rejecting the EPS access, so that the UE cannot access the whole LTE network.
In step 101, detecting that the RRC access Request sent by the terminal to the LTE first cell does not respond to the Radio Resource Control (RRC) Connection Request, triggering the terminal to start a registration procedure to the LTE cell0, and ignoring the Request after receiving the RRC Connection Request sent by the terminal to the LTE cell 0.
That is, the UE (i.e., terminal) enters the access procedure when it is powered on. More specifically, the access procedure may include: the terminal sends a random access request message (Msg1) to the base station, wherein a preamble is carried; after receiving the message, the base station sends a random access response message (Msg2) to the terminal; after receiving the message, the terminal sends an RRC connection establishment request message (Msg3) to the base station; after receiving the message, the base station sends an RRC connection establishment message (Msg4) to the terminal; the terminal sends an RRC connection setup complete message (which may be sent through SIB 1) to the base station.
Then, step 102 is executed, and if the access request of the terminal for the cell of the at least one network is received within the first time period, the access request for the cell of the at least one network is not responded.
Specifically, the receiving of the access request of the terminal to the cell of at least one network within the first time period includes one of:
receiving an RRC access request sent by the terminal to an LTE first cell within a first time period;
receiving an access request sent by the terminal to a GSM cell within a first time period;
and receiving an RRC access request sent by the terminal to the TDSCDMA cell in a first time period.
That is, the apparatus provided in this embodiment detects the behavior of the UE: within the first duration (Timer 1), if the UE continues to initiate RRCConnectionRequest to LTE cell0, the request continues to be ignored; within timer1, if the UE initiates an access request ChannelRequest on the GSM cell, the request is also ignored; within timer1, if the UE initiates an access request RRCConnectionRequest on the TDSCDMA cell, the request is also ignored.
The manner of ignoring the request in this embodiment may be not to respond to the received access request.
In step 103, after the first duration ends, it is detected whether an RRC access request sent by the terminal for the LTE second cell is received within a second duration, and it is determined whether the terminal successfully accesses the LTE network based on a detection result. Specifically, the simulation system monitors the behavior of the UE, and detects, after Timer1 and before Timer 2: the UE starts initiating an RRCConnectionRequest access request on the LTE Cell1 Cell (LTE second Cell).
Here, when detecting an access request initiated by the terminal for the LTE second cell within the second duration, it is stated that the optimization scheme is successful, and at this time, the bearer of a default Evolved Packet System (EPS) is established in a coordinated manner, so as to verify that the user plane data transmission is smooth.
Of course, when the second attach request message sent by the terminal is not received within the second duration, it indicates that the optimization scheme fails.
In practical application, the first time length and the second time length can be realized by setting a timer; specifically, a first timer is set, and before the first timer is overtime, whether the terminal initiates an access attempt request to the first LTE cell is detected; and setting a second timer, and detecting whether the terminal receives an attachment request message sent by the terminal before the second timer is overtime when the terminal is detected not to initiate an access request to an LTE second cell before the first timer is overtime. The purpose of setting the timer is to avoid detecting too long.
Wherein, the duration of the timer can be set according to the requirement.
In the method provided by the embodiment of the invention, in the process that the terminal executes the LTE network access by adopting a preset optimization scheme, the terminal does not respond when receiving the RRC access request sent by the terminal aiming at the LTE first cell, and does not respond when receiving the access requests aiming at the cells of a plurality of networks within the first time period until detecting the RRC access request aiming at the LTE second cell within the second time period, and whether the LTE network is successfully accessed is determined based on the detection result; wherein the LTE second cell and the LTE first cell encode TACs for different tracking areas. By adopting the scheme provided by the embodiment of the invention, when the RRC connection initiated by the terminal is neglected due to the blockage of a certain appointed LTE cell, so that the UE enters an OOS state, whether the LTE cell can be accessed by the optimization scheme or not can be determined, and the effectiveness and the reasonability of the optimization scheme adopted by the terminal can be determined.
In addition, the network interacting with the terminal is a network in a simulation network environment, a simulation mode is adopted, workers do not need to go to the site, and other factors influencing detection can be removed, so that the personnel cost can be greatly reduced, and meanwhile, the influence of other factors on the detection result under the scene described by the embodiment of the invention can be eliminated.
As shown in fig. 4, the method for detecting a network access result according to the embodiment of the present application includes the following steps:
step 401: triggering the UE to start a registration process to the LTE cell0 (i.e. the LTE first cell), and after receiving the RRC Connection Request sent by the UE to the LTE cell0, ignoring the Request.
Step 402: detecting the behavior of the UE: within timer1, if the UE continues to initiate RRCConnectionRequest to LTE cell0, continue to ignore the request; within timer1, if the UE initiates an access request ChannelRequest on the GSM cell, the request is also ignored; within timer1, if the UE initiates an access request RRCConnectionRequest on the TDSCDMA cell, the request is also ignored.
Step 403: the behavior of the UE is monitored, and after the Timer1 and before the Timer2, the following steps are detected: the UE starts to initiate an RRCConnectionRequest access request on the LTE Cell1 Cell (i.e. the aforementioned LTE second Cell), and obtains a detection result.
Step 404: if the detection is passed, PASS proves that the optimization scheme is passed. And the simulation system establishes defaultEPSquarer and verifies that the user plane data is smooth.
If the optimization scheme passes, the optimization scheme is successful, otherwise, the optimization scheme fails; if the user interface data is successful, the simulation system establishes defaultEPSBearer in a matching way, and verifies that the user interface data is smooth.
Fig. 5 is a schematic structural composition diagram of a device for detecting a network access result according to an embodiment of the present invention, where the device includes:
a first detecting unit 51, configured to detect a radio resource control RRC access request sent by a terminal to an LTE first cell, and not respond to the RRC connection request;
a second detecting unit 52, configured to, if the access request for the cell of at least one network by the terminal is received within the first time period, not respond to the access request for the cell of at least one network;
a third detecting unit 53, configured to detect, after the first duration is ended, whether an RRC access request sent by the terminal for the LTE second cell is received within a second duration, and determine, based on a detection result, whether the terminal successfully accesses the LTE network.
A second detecting unit 52, configured to receive, within the first time period, an RRC access request sent by the terminal to the LTE first cell.
A second detecting unit 52, configured to receive, within the first time period, an access request sent by the terminal to the GSM cell.
A second detecting unit 52, configured to receive, within the first time period, an RRC access request sent by the terminal to the TDSCDMA cell.
The LTE second cell and the LTE first cell encode TACs for different tracking areas.
The device further comprises:
a simulation unit 54, configured to establish a simulated network environment, where the simulated network environment at least includes the following network structures: an LTE network, a TDSCDMA network, a GSM network;
the system message block SIB7 of the LTE first cell and the LTE second cell of the LTE network is configured with adjacent GSM cell information, and the adjacent LTE cell information is configured in the GSM system message SI; and the LTE first cell, the TDSCDMA cell and the GSM cell are configured with the same public land mobile network PLMN and the same TAC;
correspondingly, the LTE network interacting with the terminal is the LTE network in the simulated network environment.
It should be noted that: the network access result detection apparatus provided in the foregoing embodiment is only illustrated by dividing the program modules when detecting the GSM network access result, and in practical applications, the processing may be distributed to different program modules according to needs, that is, the internal structure of the apparatus is divided into different program modules to complete all or part of the processing described above. In addition, the network access result detection apparatus and the network access result detection method provided in the foregoing embodiments belong to the same concept, and specific implementation processes thereof are described in detail in the method embodiments and are not described herein again.
Based on the hardware implementation of each unit in the detection apparatus for network access result, in order to implement the method provided in the embodiment of the present invention, an embodiment of the present invention further provides a detection apparatus for network access result, as shown in fig. 6, where the apparatus 60 includes: a processor 61 and a memory 62 for storing computer programs capable of running on the processor,
wherein, when the processor 61 is used for running the computer program, the following steps are executed:
receiving an attachment request sent by a terminal to an LTE first cell; sending attachment rejection information to the terminal and releasing RRC connection aiming at the terminal, wherein the attachment rejection information at least indicates that the terminal has no available cell; detecting whether an access request aiming at an LTE second cell sent by the terminal is received within a second time length, and determining whether the terminal is successfully accessed to the LTE network based on a detection result; wherein the LTE second cell and the LTE first cell encode TACs for different tracking areas.
In addition, when the processor 61 is configured to run the computer program, all the steps in the foregoing method may be executed, which is not described herein again.
Of course, in practical applications, the device may also include a communication interface, as shown in fig. 6. The various components in the device 60 are coupled together by a bus system. It will be appreciated that the bus system 63 is used to enable communications among the components. The bus system includes a power bus, a control bus, and a status signal bus in addition to a data bus.
In an exemplary embodiment, an embodiment of the present invention further provides a computer storage medium, which is a computer readable storage medium, for example, a memory including a computer program, where the computer program is executable by a processor of an apparatus for detecting an LTE network access result, so as to complete the steps of the foregoing method. The computer-readable storage medium may be a magnetic random access Memory (FRAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM), among other memories.
The technical schemes described in the embodiments of the present invention can be combined arbitrarily without conflict.
In the embodiments provided in the present invention, it should be understood that the disclosed method and intelligent device may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one second processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (8)
1. A method for detecting an LTE network access result is applied to a process that a terminal executes LTE network access by adopting a preset optimization scheme, and comprises the following steps:
detecting a Radio Resource Control (RRC) access request sent by a terminal to a first LTE cell, and not responding to the RRC access request;
if the terminal receives the access request aiming at the cell of at least one network within the first time period, not responding to the access request aiming at the cell of at least one network;
after the first time length is finished, detecting whether an RRC (radio resource control) access request sent by the terminal aiming at an LTE (long term evolution) second cell is received within a second time length, and determining whether the terminal is successfully accessed to the LTE network based on a detection result;
wherein the receiving of the access request of the terminal to the cell of at least one network within the first time period includes one of:
receiving an access request sent by the terminal to a GSM cell within a first time period;
receiving an RRC access request sent by the terminal to a TDSCDMA cell in a first time period;
wherein the method further comprises:
establishing a simulation network environment, wherein the simulation network environment at least comprises the following network structures: an LTE network, a TDSCDMA network, a GSM network;
the system message block SIB7 of the LTE first cell and the LTE second cell of the LTE network is configured with adjacent GSM cell information, and the GSM system message SI is configured with the adjacent LTE cell information; and the LTE first cell, the TDSCDMA cell and the GSM cell are configured with the same public land mobile network PLMN and the same TAC;
correspondingly, the LTE network interacting with the terminal is the LTE network in the simulated network environment.
2. The method of claim 1, wherein receiving the access request from the terminal for the first time period for the cell of at least one network comprises:
and receiving an RRC access request sent by the terminal to the first LTE cell within a first time period.
3. The method of claim 1, wherein the LTE second cell encodes a TAC for a different tracking area than the LTE first cell.
4. An apparatus for detecting a network access result, the apparatus comprising:
the first detection unit is used for detecting a Radio Resource Control (RRC) access request sent by a terminal to a first LTE cell and not responding to the RRC access request;
a second detecting unit, configured to not respond to the access request for the cell of the at least one network if the access request for the cell of the at least one network is received by the terminal within the first time period;
a third detecting unit, configured to detect, after the first duration is ended, whether an RRC access request sent by the terminal for an LTE second cell is received within a second duration, and determine, based on a detection result, whether the terminal successfully accesses the LTE network;
the second detection unit is used for receiving an access request sent by the terminal to a GSM cell within a first time period;
the second detection unit is used for receiving an RRC access request sent by the terminal to the TDSCDMA cell within a first time period;
wherein the apparatus further comprises:
the simulation unit is used for establishing a simulation network environment, and the simulation network environment at least comprises the following network structures: an LTE network, a TDSCDMA network, a GSM network;
the system message block SIB7 of the LTE first cell and the LTE second cell of the LTE network is configured with adjacent GSM cell information, and the GSM system message SI is configured with the adjacent LTE cell information; and the LTE first cell, the TDSCDMA cell and the GSM cell are configured with the same public land mobile network PLMN and the same TAC;
correspondingly, the LTE network interacting with the terminal is the LTE network in the simulated network environment.
5. The apparatus of claim 4, wherein the second detecting unit is configured to receive, within a first time period, an RRC access request sent by the terminal to an LTE first cell.
6. The apparatus of claim 4, wherein the LTE second cell encodes a TAC for a different tracking area than the LTE first cell.
7. The device for detecting the LTE network access result is applied to the process that the terminal executes the LTE network access by adopting a preset optimization scheme, and comprises the following components: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is adapted to perform the steps of the method of any one of claims 1 to 3 when running the computer program.
8. A computer storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 3.
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| CN106332308A (en) * | 2015-07-10 | 2017-01-11 | 中兴通讯股份有限公司 | RRC (radio resource control) connection denied message transmitting, RRC connection requesting method and device |
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