CN113873594A - Cell residence method, device, terminal and storage medium - Google Patents
Cell residence method, device, terminal and storage medium Download PDFInfo
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- CN113873594A CN113873594A CN202111171973.8A CN202111171973A CN113873594A CN 113873594 A CN113873594 A CN 113873594A CN 202111171973 A CN202111171973 A CN 202111171973A CN 113873594 A CN113873594 A CN 113873594A
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Abstract
The embodiment of the application discloses a cell residence method, a cell residence device, a cell residence terminal and a cell residence storage medium, and belongs to the technical field of communication. The method comprises the following steps: determining an abnormal PA based on signal transmitting power, wherein at least two PAs are arranged in the terminal, and different PAs are used for performing power amplification processing on signals of different frequency bands; determining the frequency band corresponding to the abnormal PA as a forbidden frequency band; and carrying out cell residence based on the forbidden frequency band, wherein the frequency band of the cell where the terminal resides does not belong to the forbidden frequency band. In the embodiment of the application, the terminal determines the abnormal PA based on the signal transmitting power and disables the frequency band corresponding to the abnormal PA, so that the situation that the terminal communication service is unavailable due to the cell residing in the frequency band corresponding to the abnormal PA is avoided, and the availability of the terminal communication service under the abnormal PA condition is improved.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a cell camping method, an apparatus, a terminal, and a storage medium.
Background
A Power Amplifier (PA) is a preceding stage amplification circuit that performs voltage amplification on a small signal by a terminal device.
In the related art, when the PA is abnormal (e.g., aged or damaged), the terminal resides in the frequency band corresponding to the abnormal PA, so that power cannot be output, and thus, situations occur in which the basic functions such as voice call, data service, and the like cannot be used. In the face of the above situation, the user can only go to the after-sale option to replace the motherboard for repair. However, the user repairs the abnormal PA by replacing the main board, not only increasing the maintenance cost, but also shortening the service life of the terminal.
Disclosure of Invention
The embodiment of the application provides a cell residence method, a cell residence device, a terminal and a storage medium, which can avoid the influence on terminal service caused by insufficient terminal signal transmitting power due to abnormal PA, and the technical scheme is as follows:
in one aspect, an embodiment of the present application provides a cell camping method, where the method includes:
determining an abnormal PA based on signal transmitting power, wherein at least two PAs are arranged in the terminal, and different PAs are used for performing power amplification processing on signals of different frequency bands;
determining the frequency band corresponding to the abnormal PA as a forbidden frequency band;
and performing cell residence based on the forbidden frequency band, wherein the frequency band of the cell where the terminal resides does not belong to the forbidden frequency band.
In another aspect, an embodiment of the present application provides a cell camping apparatus, where the apparatus includes:
the first determining module is used for determining an abnormal PA based on signal transmitting power, wherein at least two PAs are arranged in the terminal, and different PAs are used for performing power amplification processing on signals of different frequency bands;
a second determining module, configured to determine a frequency band corresponding to the abnormal PA as a forbidden frequency band;
and the cell residing module is used for carrying out cell residing based on the forbidden frequency band, wherein the frequency band of the cell where the terminal resides does not belong to the forbidden frequency band.
In another aspect, an embodiment of the present application provides a terminal, where the terminal includes a processor and a memory, where the memory stores at least one instruction, and the at least one instruction is loaded and executed by the processor to implement the cell camping method according to the above aspect.
In another aspect, an embodiment of the present application provides a computer-readable storage medium, where at least one program code is stored, and the program code is loaded and executed by a processor to implement the cell camping method according to the above aspect.
In another aspect, embodiments of the present application provide a computer program product or a computer program, which includes computer instructions stored in a computer-readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions to cause the terminal to perform the cell camping method provided in various alternative implementations of the above aspects.
In the embodiment of the application, the terminal determines the abnormal PA through the signal transmitting power, disables the frequency band corresponding to the abnormal PA, and further selects the cell residing outside the disabled frequency band. On one hand, the terminal determines the abnormal PA and disables the frequency band corresponding to the abnormal PA, so that the condition that the signal transmitting power of the terminal is weakened due to the abnormal PA and the network equipment cannot monitor the signal of the terminal for a long time can be avoided; on the other hand, in order to avoid co-channel interference, an operator does not only arrange a single frequency band in the network deployment of a certain area, so that the terminal forbids the frequency band corresponding to the abnormal PA, and selects the cell residing in other frequency bands, so that the terminal can be prevented from being in a non-service state for a long time due to the abnormal PA, and the availability of the terminal communication service under the condition of the abnormal PA is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a system architecture diagram of a communication system provided by an exemplary embodiment of the present application;
fig. 2 is a flowchart illustrating a cell camping method according to an exemplary embodiment of the present application;
fig. 3 is a flowchart illustrating a cell camping method according to another exemplary embodiment of the present application;
FIG. 4 is a diagram illustrating a process for updating the number of PA exceptions shown in an exemplary embodiment of the present application;
FIG. 5 illustrates a flow chart of an exception PA determination and reset process provided by an exemplary embodiment of the present application;
FIG. 6 illustrates a schematic diagram of an abnormal PA determination and reset process provided by an exemplary embodiment of the present application;
FIG. 7 illustrates a flow chart of an abnormal PA determination process provided by another exemplary embodiment of the present application;
FIG. 8 is a diagram illustrating a process for setting a historical exception identification for a PA in accordance with an illustrative embodiment of the present application;
FIG. 9 illustrates a process diagram for deleting historical anomaly identification for a PA in accordance with an exemplary embodiment of the present application;
fig. 10 is a block diagram illustrating a cell camping apparatus according to an embodiment of the present application;
fig. 11 shows a schematic structural diagram of a terminal according to an exemplary embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
The cell camping method shown in the present application is applied to the communication system shown in fig. 1, which includes a first terminal 11, a network device 12, and a second terminal 13.
The first and second terminals 11 and 13 may include various handheld devices having wireless communication functions, vehicle-mounted devices, wearable devices, computing devices, internet of things devices or other processing devices connected to a wireless modem, as well as various forms of user equipment, Mobile Stations (MSs), terminals (terminal devices), and so on. For convenience of description, the above-mentioned devices are collectively referred to as a terminal.
The coverage area of the signal of the network device 12 is called a cell, and the first terminal 11 and the second terminal 13 in the cell can communicate with the network device 12 through a wireless channel. In order to prevent co-channel interference, an operator does not only lay out cells with a single frequency band in a certain area.
In this embodiment, the first terminal 11 and the network device 12, and the second terminal 13 and the network device 13 communicate with each other through some air interface technology, for example, a Uu interface.
In some embodiments, the first terminal 11 and the second terminal 13 communicate with each other via a communication technology. Optionally, the first terminal 11 and the second terminal 13 may communicate with each other through bluetooth or WiFi technology. Alternatively, the first terminal 11 and the second terminal 13 support Device-to-Device (D2D) communication, and the first terminal 11 and the second terminal 13 may communicate via a sidelink (sidelink) interface via a PC-5 interface. The sidelink communication is addressed by a source identifier and a destination identifier of a Media Access Control (MAC) layer, that is, a connection does not need to be established before communication.
The technical scheme of the embodiment of the application can be applied to various communication systems, for example: a Global System for Mobile Communication (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a General Packet Radio Service (GPRS), a Long Term Evolution (Long Term Evolution, LTE) System, a LTE Frequency Division Duplex (FDD) System, a LTE Time Division Duplex (TDD) System, an Advanced Long Term Evolution (LTE-A) System, a New wireless (New Radio, NR) System, an Evolution System of an NR System, an LTE-based Access (LTE-to-non-licensed) System, a UMTS-based Access (UMTS-to-non-licensed) System, a UMTS-based Universal Mobile Communication (UMTS-to-Universal Mobile Access, UMTS) System, WiMAX) communication system, a next generation communication system, or other communication system, etc.
Referring to fig. 2, a flowchart of a cell camping method according to an exemplary embodiment of the present application is shown, where the present embodiment takes the method as an example for a terminal in the communication system shown in fig. 1, and the method includes:
A Power Amplifier (PA) is a pre-amplifier circuit that voltage-amplifies a small signal at a terminal. The terminal comprises different types of PAs according to different supported frequency bands, the PA amplifies the signal power of the terminal and then sends the amplified signal power to the network equipment through the antenna, and therefore communication between the terminal and the network equipment is achieved. The terminal selects a corresponding PA for use according to the frequency band of the resident cell, if the PA of the corresponding frequency band is abnormal, the signal transmitting power of the terminal is weakened, the network equipment cannot monitor the signal power sent by the corresponding frequency band, and therefore the terminal is in an out-of-service state, and whether the PA is normal or not can be determined by monitoring the signal transmitting power.
In one possible implementation, the frequency band is divided into A, B, C frequency bands according to the frequency, and each frequency band corresponds to a corresponding PA. Each frequency band may in turn be divided into a number of sub-bands.
Illustratively, as shown in table one, the frequency band is divided into a low frequency band, a medium frequency band, a high frequency band and a high frequency band according to the frequency. In table one, the terminal is provided with 4 PAs, which are respectively a low frequency PA, two medium and high frequency PAs 1 and a PA2, and a high frequency PA, and each PA corresponds to a corresponding frequency band. The low frequency band, the medium-high frequency band and the high frequency band are divided into a plurality of sub-bands.
| PA type | Corresponding frequency band |
| Low-frequency PA | NR，N28，LTEB5/8… |
| Medium-high frequency PA1 | NR，N1/3/7…，LTE B1/3/4… |
| Medium-high frequency PA2 | NR，N41，LTE B41 |
| High frequency PA | NR，N78 |
In a possible implementation manner, the terminal blacklists the frequency band corresponding to the abnormal PA, that is, determines the frequency band as a forbidden frequency band, and the terminal does not camp in a cell of the forbidden frequency band. In some embodiments, all frequency bands corresponding to the PA are determined as forbidden frequency bands.
For example, in table one, when the low frequency PA is determined to be an abnormal PA, the terminal determines all frequency bands NR, N28 and LTE B5/8 … corresponding to the low frequency PA as forbidden frequency bands, instead of disabling a specific sub-frequency band in the low frequency PA, for example, disabling an NR frequency band.
And step 230, performing cell residence based on the forbidden frequency band, wherein the frequency band of the cell where the terminal resides does not belong to the forbidden frequency band.
In a possible implementation manner, in order to prevent the problems of co-channel interference and the like, the operator does not only lay out a single frequency band cell in the network deployment of a certain cell. Therefore, a certain PA is determined to be abnormal according to the signal transmitting power, and after the frequency band corresponding to the abnormal PA is determined to be the forbidden frequency band, the terminal can be selected to reside in the cells of other frequency bands, so that the terminal is prevented from being in an out-of-service state for a long time, and the normal operation of the user basic service of the terminal is influenced.
To sum up, in the embodiment of the present application, the terminal determines the abnormal PA through the signal transmission power, and disables a frequency band corresponding to the abnormal PA, thereby selecting a cell residing outside the disabled frequency band. On one hand, the terminal determines the abnormal PA and disables the frequency band corresponding to the abnormal PA, so that the condition that the signal transmitting power of the terminal is weakened due to the abnormal PA and the network equipment cannot monitor the signal of the terminal for a long time can be avoided; on the other hand, in order to avoid co-channel interference, an operator does not only arrange a single frequency band in the network deployment of a certain area, so that the terminal forbids the frequency band corresponding to the abnormal PA, and selects the cell residing in other frequency bands, so that the terminal can be prevented from being in a non-service state for a long time due to the abnormal PA, and the availability of the terminal communication service under the condition of the abnormal PA is improved.
In the embodiment of the application, the terminal determines the abnormal PA according to the actual signal transmitting power and the target signal transmitting power. In addition, the terminal is provided with a plurality of PAs, the terminal determines the frequency band of the cell where the current terminal resides through the abnormity of the signal transmitting power, and determines the PA through the current frequency band, thereby updating the abnormity frequency of the PA. Referring to fig. 3, a flowchart of a cell camping method according to another exemplary embodiment of the present application is shown.
In a possible implementation mode, the terminal is in a power-on state, and the actual signal transmission power is periodically obtained from a terminal log. The terminal is in the power-on state and comprises two conditions of a bright screen state and a screen extinguishing state.
In the above possible implementation, the terminal may reduce the actual signal transmission power in the power-on and power-off states, which aims to reduce the power consumption of the terminal and improve the endurance of the terminal, but the reduction of the actual signal transmission power by the terminal may affect the accuracy of the abnormal PA determination. Therefore, in order to improve the accuracy of the abnormal PA determination, in another possible implementation, the terminal is in a power-on and bright-screen state, and the actual signal transmission power of the terminal is periodically obtained from the terminal log. And when the terminal is in a power-on and screen-off state, stopping acquiring the actual signal transmitting power of the terminal from the terminal log.
Optionally, each period time may be 2s, 3s, 4s, and the like, which is not limited in this embodiment of the application.
And 320, determining a current frequency band in response to the fact that the power difference value between the actual signal transmitting power and the target signal transmitting power is larger than the difference threshold value, wherein the current frequency band is the frequency band of the cell in which the terminal currently resides.
In the embodiment of the present application, the target signal transmission power does not need to be measured, and is indicated by the network device according to relevant parameters such as path loss. In each target period, the terminal acquires the actual signal transmitting power from the terminal log, calculates the difference between the actual signal transmitting power and the target signal transmitting power through the processor, and compares the difference with the difference threshold.
In a possible implementation manner, when the power difference between the actual signal transmission power and the target signal transmission power is greater than the difference threshold, indicating that the signal transmission power in the target period is abnormal, the terminal determines and records the frequency band of the currently camped cell according to the signal transmission power.
In another possible implementation manner, when the power difference value between the actual signal transmission power and the target signal transmission power is smaller than the difference threshold value, it indicates that the signal transmission power in the target period is normal, the terminal continues to monitor the actual signal transmission power.
Optionally, the difference threshold is a value preset in advance, and may be 5dB, 10dB, or 15dB, which is not limited in this embodiment.
And step 330, updating the abnormal times of the PA corresponding to the current frequency band.
In a possible implementation manner, a counter is correspondingly arranged in each PA in the terminal, and is used for updating the abnormal times of the corresponding PA. In each target period, when the power difference value between the actual signal transmitting power and the target signal transmitting power is greater than the difference threshold value, the terminal determines and records the frequency band of the current resident cell according to the signal transmitting power, determines the corresponding PA based on the frequency band, and adds 1 to a counter corresponding to the PA in the terminal.
Illustratively, as shown in fig. 4, a counter 405, a counter 406, a counter 407, and a counter 408 are respectively shown for the low-medium frequency PA401, the medium-high frequency PA 1402, the medium-high frequency PA2403, and the high frequency PA 404.
The target period is 2s and the difference threshold is 5 dB. In the first target period, the terminal obtains the actual signal transmitting power from the terminal log, the power difference between the actual signal transmitting power of the terminal and the target signal transmitting power is calculated through the processor, the power difference is compared with the difference threshold, if the power difference is larger than 5dB, the terminal signal transmitting power is judged to be abnormal, and if the power difference is smaller than 5dB, the terminal continues to obtain the actual signal transmitting power from the terminal log in the next target period.
In a first target period, the power difference between the actual signal transmission power of the terminal and the target signal transmission power is greater than 5dB, the terminal judges that the signal transmission power is abnormal, determines that the current frequency band is N28 according to the abnormal signal transmission power, determines that the corresponding PA is the low-frequency PA401 according to the current frequency band, updates the counter 405 corresponding to the low-frequency PA401 to 1, and keeps the counters corresponding to the other PAs to be 0. In the second target period, the terminal determines that the signal transmission power is abnormal, determines that the current frequency band is NR according to the abnormal signal transmission power, determines that the corresponding PAs are low frequency PA401, medium and high frequency PA 1402, medium and high frequency PA2403 and high frequency PA404 according to the current frequency band, and updates the counter 405, the counter 406, the counter 407, and the counter 408 to 2, 1, respectively, corresponding to the PAs. The abnormal times of the current frequency band PA are updated according to the above method, and after a plurality of target periods, the abnormal times corresponding to the low frequency PA401, the medium-high frequency PA 1402, the medium-high frequency PA2403 and the high frequency PA404 are 1800, 1500, 300 and 2000 respectively.
In one possible approach, the PA is determined to be abnormal PA when the number of abnormalities of the PA reaches a certain value within a prescribed time period.
In one possible implementation, the cause of the abnormal PA may be PA hardware damage or a PA transient failure.
And step 350, determining the frequency band corresponding to the abnormal PA as a forbidden frequency band.
Step 350 and step 220 are synchronized, which will not be described in detail in the embodiments of the present application.
In the embodiment of the application, after the current frequency band where the terminal is located is forbidden due to PA abnormality, the terminal selects cells of other frequency bands to camp in order to ensure normal use of basic services of the terminal.
In a possible implementation manner, when the terminal performs cell selection, the terminal firstly filters the cell of the forbidden frequency band at the frequency point, then performs cell measurement on the filtered cell, and if the cell measurement result of the cell meets the S criterion, successfully camps on the cell.
In another possible implementation manner, when the terminal performs cell reselection in the idle state, first, filtering the neighboring cell whose frequency point belongs to the forbidden frequency band, and then performing cell measurement on the filtered neighboring cell and the serving cell. And when the measurement result of the adjacent cell meets the R criterion, the terminal reselects the adjacent cell from the current service cell, thereby finishing cell reselection.
In another possible implementation, when the terminal performs cell handover in the connected state, the neighboring cell whose frequency band belongs to the forbidden frequency band is filtered first, and then the filtered neighboring cell is subjected to cell measurement on the neighboring cell and the serving cell. And when the measurement result meets the cell switching condition, the terminal reports the measurement result to the network equipment, and the network equipment switches the service cell of the terminal based on the measurement result.
In summary, in the embodiment of the present application, the terminal periodically obtains the actual signal transmitting power in the power-on and bright-screen state, and determines the abnormal PA according to the difference between the actual signal transmitting power and the target signal transmitting power, so as to improve the accuracy of determining the abnormal PA; in addition, after the terminal disables all frequency bands corresponding to the abnormal PA, the terminal selects cells of other frequency bands for residence through at least one mode of cell selection, cell reselection or cell switching, and the terminal is prevented from being in an out-of-service state for a long time due to the abnormal PA.
In a possible implementation manner, if the PA abnormal frequency reaches a frequency threshold within a specified time, it is determined that the PA is an abnormal PA, and after the user resets the terminal, the terminal resets the abnormal PA to normal, and the terminal performs unblocking processing on the forbidden frequency band. Referring to fig. 5, a flow chart of an abnormal PA determination and reset process provided by another exemplary embodiment of the present application is shown.
Please refer to step 510 with reference to the implementation manner of step 310, which is not described herein again.
Please refer to the implementation manner of step 320 to step 330 in step 520, which is not described herein again.
In step 530, the PA with the abnormal number reaching the first time threshold in the first duration is determined as an abnormal PA.
In this embodiment of the application, in the first duration, if the abnormal number of times of the PA reaches the first time threshold, the terminal determines the PA as an abnormal PA.
Alternatively, the first time period may be 24 hours, 12 hours, 8 hours, and the like, which is not limited in the embodiment of the present application.
Alternatively, the first time threshold may be 1800, 2000, 2500, which is not limited in this embodiment of the application.
In a possible implementation manner, after the terminal determines the abnormal PA, target prompt information is displayed on a display screen interface for prompting that the abnormal PA exists in the user terminal, so that a user can conveniently and quickly find the abnormal PA when the terminal is maintained in the future, and the maintenance cost of the user is reduced.
Optionally, the target prompt information may be in the form of a reminder box, an icon display, and the like, which is not limited in this embodiment of the application.
And 540, in response to the reset condition being met, resetting the abnormal PA to be a normal PA, and performing unblocking processing on the forbidden frequency band.
In this embodiment of the present application, the reset condition may be at least one of a terminal restart, a terminal power on/off, and a SIM card hot plug, which is not limited in this embodiment of the present application.
Because the abnormal PA may be recovered to normal under some conditions (possibly, the abnormal PA is replaced or the abnormal PA is automatically recovered from the abnormality), when the user performs any one of the above reset conditions on the terminal, the terminal performs the forbidden processing on the forbidden frequency band, sets the abnormal PA as the normal PA, and avoids that the corresponding frequency band is still in the forbidden state when the abnormal PA is recovered to normal.
In one possible implementation, the terminal performs the banning process on the forbidden frequency band, which may be removing the forbidden frequency band from a terminal blacklist. Subsequently, the terminal may be staying in the cell corresponding to the frequency band.
In a possible embodiment, the setting of the abnormal PA as normal may be that the PA is determined as abnormal PA by the terminal due to hardware damage, and after the terminal is reset, the abnormal PA is not recovered to be normal, but the terminal defaults to be normal.
In another possible implementation, the setting of the abnormal PA as normal may be that the PA hardware is not damaged, the terminal determines that the PA is abnormal due to the temporary failure of the PA, and the abnormal PA returns to normal after the terminal is reset.
The above-described abnormal PA determination, i.e., reset, process is illustratively described in conjunction with fig. 6 and the table. A low-frequency PA, a medium-high frequency PA1, a medium-high frequency PA2 and a high-frequency PA are arranged in a certain terminal, and each PA corresponds to a corresponding counter for updating the abnormal times of the PAs. Let the first duration be 24 hours and the first count threshold be 1800. And the terminal acquires the actual signal transmitting power from the terminal log every 2s, calculates the power difference between the actual signal transmitting power of the terminal and the target signal transmitting power through the processor, compares the power difference with a difference threshold value, and updates the abnormal times of the PA corresponding to the current frequency band. When the time reaches 24 hours, the number of abnormalities of the low-frequency PA is 1800, the number of abnormalities of the medium-high frequency PA1 is 1500, the number of abnormalities of the medium-high frequency PA2 is 300, and the number of abnormalities of the high-frequency PA is 1300, as can be seen from the counter corresponding to each PA. Therefore, the abnormal frequency of the low-frequency PA reaches the first frequency threshold 1800, so that the terminal determines the low-frequency PA as an abnormal PA and disables all frequency bands corresponding to the low-frequency PA in table one. And after the terminal is restarted, turned on and off or the SIM card is hot plugged, the terminal sets the low-frequency PA as a normal PA, and forbids all frequency bands corresponding to the low-frequency PA, and the counter corresponding to each PA is cleared.
In summary, in the embodiment of the application, within the specified duration, when the PA abnormal frequency reaches the frequency threshold, the terminal determines the PA as an abnormal PA, and reminds the user of the abnormal PA in the form of the target prompt message, so that the user can conveniently and quickly find the abnormal PA when repairing the terminal in the future, and the maintenance cost of the user is reduced. In addition, when the reset condition is met, the terminal resets the abnormal PA to the normal PA and carries out forbidden processing on the corresponding forbidden frequency band, so that the situation that the corresponding frequency band is still in a forbidden state after the abnormal PA is recovered to be normal, and further the influence on cell residence is avoided.
The terminal determines the PA with the abnormal times reaching the first time threshold value in the first time period as an abnormal PA, and does not mark the abnormal PA, and after the terminal resets, the terminal sets the abnormal PA as a normal PA, but the abnormal state of the PA is not really eliminated, and the terminal needs to perform a judgment again, so that the terminal may be in an out-of-service state. Referring to fig. 7, a flowchart of an abnormal PA determination process provided by another exemplary embodiment of the present application is shown.
Please refer to step 710 with reference to the implementation manner of step 310, which is not described herein again.
Step 720, updating the abnormal times of the PA based on the actual signal transmission power and the target signal transmission power, wherein the target signal transmission power is indicated by the network device.
Please refer to step 720 in the embodiments from step 320 to step 330, which will not be described herein again.
In a possible implementation manner, the terminal detects whether the historical abnormal identifier is set for the PA while determining the abnormal times of the PA, the terminal determines that the historical abnormal identifier is not set for the PA, and within a second time period, if the abnormal times of the PA reaches a second time threshold, the terminal determines that the PA is an abnormal PA and sets the historical abnormal identifier for the PA.
Alternatively, the second time period may be 12 hours, 20 hours, 24 hours, and the like, which is not limited in the embodiment of the present application.
Optionally, the second time threshold may be 1500, 2000, 2500, which is not limited in this embodiment.
In a possible implementation manner, the historical anomaly identifier may be an identification code, or the like provided on the PA, which is not limited by the embodiment of the present application.
Illustratively, as shown in fig. 8, in connection with table one, the low-frequency PA, the medium-high frequency PA1, the medium-high frequency PA2, and the high-frequency PA set in a certain terminal do not set a history abnormality flag. The preset difference threshold is 10dB, the second time threshold is 1500, and the second time threshold is 12 hours. And the terminal acquires the actual signal transmitting power every 2s and calculates the difference between the actual signal transmitting power and the target signal transmitting power. And when the difference value between the actual signal transmitting power and the target signal transmitting power is greater than the difference threshold value by 10dB, judging that the signal transmitting power is abnormal for 1 time. And determining the current frequency band according to the signal transmitting power abnormality, and updating the PA abnormality times corresponding to the current frequency band through the counters corresponding to the PAs. When the time reaches 12 hours, the number of abnormalities of the low-frequency PA is 1800, the number of abnormalities of the medium-high frequency PA1 is 1000, the number of abnormalities of the medium-high frequency PA2 is 300, and the number of abnormalities of the high-frequency PA is 1500, as seen from the counter corresponding to each PA. The abnormal times of the low frequency PA and the high frequency PA reach the second time threshold 1500, and thus the terminal determines the low frequency PA and the high frequency PA as abnormal PAs. The abnormal PA is provided with an identification code, the length of the identification code is 1 bit, and the identification code is used for representing historical abnormal identification of the PA. After the terminal determines the low-frequency PA and the high-frequency PA as abnormal PAs, the identification codes of the low-frequency PA and the high-frequency PA are displayed as 1 to indicate that the low-frequency PA and the high-frequency PA are provided with historical abnormal identifications, and the medium-high frequency PA1 and the medium-high frequency PA2 are not provided with the historical abnormal identifications.
In a possible implementation manner, if the terminal detects that the PA is provided with the historical abnormal identifier, the process of determining the abnormal PA can be simplified by shortening the time length for determining the abnormal times of the PA, and the calculation amount of the terminal is reduced. The third duration is therefore less than the second duration. For example, if the second time period is 12 hours, the third time period may be 10 hours, 8 hours, or 6 hours, etc., which is not limited in the embodiments of the present application.
In a possible implementation manner, the second time threshold and the third time threshold do not have a direct relationship, and may be the same or different, and in addition, the third time length is shortened, and the third time threshold corresponding to the third time length may be reduced or may not be changed.
Illustratively, the terminal detects that the identification codes of the medium-high frequency PA1 and the high-frequency PA are 1, which means that the medium-high frequency PA1 and the high-frequency PA are provided with historical abnormal identifications, so in order to reduce the calculation amount of the terminal, the time length for determining the number of times of PA abnormality is shortened, and therefore the third time threshold is 6 hours compared with the second time threshold. The preset difference threshold is 10dB, and the third threshold is 1000 times. And the terminal acquires the actual signal transmitting power from the terminal log every 2s, calculates the power difference between the actual signal transmitting power of the terminal and the target signal transmitting power through the processor, compares the power difference with a difference threshold value, and updates the abnormal times of the PA corresponding to the current frequency band. When the time reaches 6 hours, the number of abnormalities of the low-frequency PA is 900, the number of abnormalities of the medium-high frequency PA1 is 1000, the number of abnormalities of the medium-high frequency PA2 is 300, and the number of abnormalities of the high-frequency PA is 1200, as can be seen from the counter corresponding to each PA. And the abnormal times of the medium-high frequency PA1 and the high-frequency PA reach a third time threshold value, and the terminal determines the medium-high frequency PA1 and the high-frequency PA as abnormal PAs.
And step 750, in response to the reset condition being met, resetting the abnormal PA to be a normal PA, and performing unblocking processing on the forbidden frequency band.
After the user performs the reset operation on the terminal, the terminal performs unblocking processing on the forbidden frequency band, the abnormal PA is set as the normal PA, and the historical abnormal identification of the PA is still reserved after the reset. When the terminal determines the abnormal PA again, the abnormal PA determination process can be simplified when the terminal detects the PA provided with the history abnormal flag, thereby reducing the calculation amount of the terminal.
For example, as shown in fig. 8, after the terminal is restarted, turned on and off or the SIM card is hot plugged, the terminal sets the low frequency PA and the high frequency PA to be normal PAs and disables all frequency bands corresponding to the low frequency PA and the high frequency PA, but the historical abnormal identifiers of the low frequency PA and the high frequency PA still remain, and the counters corresponding to the PAs are cleared.
And 760, in response to that the historical abnormal identifier is set in the PA, and the abnormal frequency of the PA in the second duration does not reach the fourth time threshold, deleting the historical abnormal identifier of the PA, wherein the fourth time threshold is less than or equal to the second time threshold.
In the embodiment of the present application, the cause of PA anomaly may be: firstly, PA hardware is damaged to cause PA abnormity; the other is PA abnormality due to transient PA failure. No matter which reason causes PA abnormity, the terminal detects that the PA abnormity sets historical abnormity identification for the PA. But PA anomalies due to transient PA failures will automatically recover after a period of time, and the aforementioned method will affect the accuracy of the terminal in determining the anomalous PA. The fourth count threshold is therefore preset in the present embodiment.
In a possible implementation manner, the terminal detects that the PA is provided with a historical abnormal identifier, if the PA abnormal frequency does not reach the fourth numerical threshold within the second time period, it indicates that the PA is recovered to be normal (the PA abnormal frequency may be caused by a temporary failure of the PA, or the abnormal PA is replaced), and at this time, the terminal deletes the historical abnormal identifier of the PA.
For example, if the second time threshold is 1800, the fourth time threshold may be 1800, or may be 500, 400, etc., which is not limited in this embodiment of the application.
Illustratively, as shown in fig. 9, the terminal detects that the low frequency PA and the high frequency PA are provided with identification codes, indicating that the low frequency PA and the high frequency PA are provided with historical abnormal identifications. As can be seen from the foregoing, the second decimal threshold is 1500, the second time threshold is 12 hours, the difference threshold is 10dB, and the fourth decimal threshold is smaller than the second decimal threshold, so the fourth decimal threshold is 800. Within 12 hours, the number of abnormalities of the low-frequency PA was 1500, the number of abnormalities of the medium-high frequency PA1 was 1000, the number of abnormalities of the medium-high frequency PA2 was 800, and the number of abnormalities of the high-frequency PA was 700, as seen from the counter corresponding to each PA. The abnormal times of the high-frequency PA do not reach the fourth time threshold value 800, so that the high-frequency PA is known to be recovered to be normal, and the terminal deletes the historical abnormal identifier of the high-frequency PA.
In summary, in the embodiment of the present application, a historical abnormal identifier is set for a PA having an abnormal history, and when the terminal detects that the PA is provided with the historical abnormal identifier in the process of determining the abnormal PA, the process of determining the abnormal PA by the terminal is simplified, and the calculation amount of the terminal is reduced.
The following are embodiments of the apparatus of the present application that may be used to perform embodiments of the method of the present application. For details which are not disclosed in the embodiments of the apparatus of the present application, reference is made to the embodiments of the method of the present application.
Referring to fig. 10, a block diagram of a cell camping apparatus according to an embodiment of the present application is shown. The device has the function executed by the first terminal in the method embodiment, and the function can be realized by hardware or by hardware executing corresponding software. As shown in fig. 10, the apparatus may include:
a first determining module 1001, configured to determine an abnormal PA based on signal transmission power, where at least two PAs are provided in a terminal, and different PAs are used to perform power amplification processing on signals in different frequency bands;
a second determining module 1002, configured to determine a frequency band corresponding to the abnormal PA as a forbidden frequency band;
a cell residence module 1003, configured to perform cell residence based on the forbidden frequency band, where the frequency band of the cell where the terminal resides does not belong to the forbidden frequency band.
Optionally, the first determining module 1001 includes:
the acquiring unit is used for acquiring the actual signal transmitting power of the terminal;
an updating unit, configured to update the abnormal times of the PA based on the actual signal transmission power and a target signal transmission power, where the target signal transmission power is indicated by the network device;
a determination unit configured to determine the abnormal PA based on the number of abnormalities.
Optionally, the updating unit is configured to:
determining a current frequency band in response to a power difference value between the actual signal transmitting power and the target signal transmitting power being greater than a difference threshold value, wherein the current frequency band is a frequency band of a cell in which the terminal currently resides;
and updating the abnormal times of the PA corresponding to the current frequency band.
Optionally, the determining unit is configured to:
and determining the PA with the abnormal times reaching a first time threshold value in a first time length as the abnormal PA.
Optionally, the apparatus further comprises a first reset module configured to:
in response to a reset condition being met, resetting the abnormal PA to be a normal PA, and carrying out forbidden processing on the forbidden frequency band;
the reset condition comprises at least one of terminal restart, terminal startup and shutdown and SIM card hot plug.
Optionally, the determining unit is configured to:
determining the PA as the abnormal PA in response to that the historical abnormal identifier is not set for the PA and the abnormal times of the PA in a second time reach a second time threshold, wherein the historical abnormal identifier is used for representing that the historical abnormal which is not eliminated exists in the PA; setting the historical exception identifier for the PA;
and determining the PA as the abnormal PA in response to the fact that the historical abnormal identification is set in the PA and the abnormal times of the PA in a third time length reach a third time threshold, wherein the third time length is smaller than the second time length.
Optionally, the apparatus further comprises a second reset module configured to:
in response to a reset condition being met, resetting the abnormal PA to be a normal PA, and carrying out forbidden processing on the forbidden frequency band;
and the historical abnormal mark of the PA is reserved after the reset, and the reset condition comprises at least one of terminal restart, terminal startup and shutdown and SIM card hot plug.
Optionally, the apparatus further comprises a deletion module configured to:
and in response to the fact that the historical abnormal identifier is set in the PA, and the abnormal times of the PA in the second duration do not reach a fourth time threshold, deleting the historical abnormal identifier of the PA, wherein the fourth time threshold is smaller than or equal to the second time threshold.
Optionally, the obtaining unit is configured to:
responding to the terminal in a starting state, and acquiring the actual signal transmitting power according to a target period; or the like, or, alternatively,
and responding to the terminal in a power-on and screen-on state, and acquiring the actual signal transmitting power according to a target period, wherein the signal transmitting power is reduced when the terminal is in a screen-off state.
Optionally, the cell camping module 1003 is configured to:
performing at least one of cell selection, cell reselection, or cell handover based on the forbidden frequency band.
Optionally, after determining the abnormal PA based on the signal transmission power, the apparatus further includes:
and the display module is used for displaying target prompt information, and the target prompt information is used for prompting the abnormal PA with abnormality.
In the embodiment of the application, the terminal determines the abnormal PA through the signal transmitting power, disables the frequency band corresponding to the abnormal PA, and further selects the cell residing outside the disabled frequency band. On one hand, the terminal determines the abnormal PA and disables the frequency band corresponding to the abnormal PA, so that the condition that the signal transmitting power of the terminal is weakened due to the abnormal PA and the network equipment cannot monitor the signal of the terminal for a long time can be avoided; on the other hand, in order to avoid co-channel interference, an operator does not only arrange a single frequency band in the network deployment of a certain area, so that the terminal forbids the frequency band corresponding to the abnormal PA, and selects the cell residing in other frequency bands, so that the terminal can be prevented from being in a non-service state for a long time due to the abnormal PA, and the availability of the terminal communication service under the condition of the abnormal PA is improved.
Fig. 11 shows a schematic structural diagram of a terminal (a first terminal or a second terminal) provided in an exemplary embodiment of the present application, where the terminal includes: a processor 1101, a receiver 1102, a transmitter 1103, a memory 1104, and a bus 1105.
The processor 1101 includes one or more processing cores, and the processor 1101 executes various functional applications and information processing by running software programs and modules.
The receiver 1102 and the transmitter 1103 may be implemented as one communication component, which may be one communication chip.
The memory 1104 is coupled to the processor 1101 by a bus 1105.
The memory 1104 may be used to store at least one instruction that the processor 1101 uses to execute to implement the various steps in the method embodiments described above.
Further, memory 1104 may be implemented by any type or combination of volatile or non-volatile storage devices, including, but not limited to: magnetic or optical disks, Electrically Erasable Programmable Read Only Memories (EEPROMs), Erasable Programmable Read Only Memories (EPROMs), Static Random Access Memories (SRAMs), Read-Only memories (ROMs), magnetic memories, flash memories, Programmable Read Only Memories (PROMs).
The embodiment of the present application further provides a computer-readable storage medium, which stores at least one program code, and the program code is loaded and executed by a processor to implement the cell camping method according to the above embodiments.
According to an aspect of the application, a computer program product or computer program is provided, comprising computer instructions, the computer instructions being stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions to cause the computer device to perform the cell camping method provided in the various alternative implementations of the above aspects.
It should be understood that reference to "a plurality" herein means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. In addition, the step numbers described herein only exemplarily show one possible execution sequence among the steps, and in some other embodiments, the steps may also be executed out of the numbering sequence, for example, two steps with different numbers are executed simultaneously, or two steps with different numbers are executed in a reverse order to the order shown in the figure, which is not limited by the embodiment of the present application.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (15)
1. A method for cell camping, the method comprising:
determining an abnormal PA based on signal transmitting power, wherein at least two PAs are arranged in the terminal, and different PAs are used for performing power amplification processing on signals of different frequency bands;
determining the frequency band corresponding to the abnormal PA as a forbidden frequency band;
and performing cell residence based on the forbidden frequency band, wherein the frequency band of the cell where the terminal resides does not belong to the forbidden frequency band.
2. The method of claim 1, wherein the determining an abnormal PA based on signal transmit power comprises:
acquiring the actual signal transmitting power of the terminal;
updating the abnormal times of the PA based on the actual signal transmitting power and the target signal transmitting power, wherein the target signal transmitting power is indicated by the network equipment;
determining the abnormal PA based on the abnormal times.
3. The method of claim 2, wherein updating the abnormal number of PAs based on the actual signal transmission power and the target signal transmission power comprises:
determining a current frequency band in response to a power difference value between the actual signal transmitting power and the target signal transmitting power being greater than a difference threshold value, wherein the current frequency band is a frequency band of a cell in which the terminal currently resides;
and updating the abnormal times of the PA corresponding to the current frequency band.
4. The method of claim 2, wherein said determining the abnormal PA based on the number of abnormalities comprises:
and determining the PA with the abnormal times reaching a first time threshold value in a first time length as the abnormal PA.
5. The method of claim 4, further comprising:
in response to a reset condition being met, resetting the abnormal PA to be a normal PA, and carrying out forbidden processing on the forbidden frequency band;
the reset condition comprises at least one of terminal restart, terminal startup and shutdown and SIM card hot plug.
6. The method of claim 2, wherein said determining the abnormal PA based on the number of abnormalities comprises:
determining the PA as the abnormal PA in response to that the historical abnormal identifier is not set for the PA and the abnormal times of the PA in a second time reach a second time threshold, wherein the historical abnormal identifier is used for representing that the historical abnormal which is not eliminated exists in the PA; setting the historical exception identifier for the PA;
and determining the PA as the abnormal PA in response to the fact that the historical abnormal identification is set in the PA and the abnormal times of the PA in a third time length reach a third time threshold, wherein the third time length is smaller than the second time length.
7. The method of claim 6, further comprising:
in response to a reset condition being met, resetting the abnormal PA to be a normal PA, and carrying out forbidden processing on the forbidden frequency band;
and the historical abnormal mark of the PA is reserved after the reset, and the reset condition comprises at least one of terminal restart, terminal startup and shutdown and SIM card hot plug.
8. The method of claim 6, further comprising:
and in response to the fact that the historical abnormal identifier is set in the PA, and the abnormal times of the PA in the second duration do not reach a fourth time threshold, deleting the historical abnormal identifier of the PA, wherein the fourth time threshold is smaller than or equal to the second time threshold.
9. The method of claim 2, wherein the obtaining the actual signal transmission power of the terminal comprises:
responding to the terminal in a starting state, and acquiring the actual signal transmitting power according to a target period; or the like, or, alternatively,
and responding to the terminal in a power-on and screen-on state, and acquiring the actual signal transmitting power according to a target period, wherein the signal transmitting power is reduced when the terminal is in a screen-off state.
10. The method according to any of claims 1 to 9, wherein the cell camping based on the forbidden frequency band comprises:
performing at least one of cell selection, cell reselection, or cell handover based on the forbidden frequency band.
11. The method according to any of claims 1 to 9, wherein after determining the abnormal PA based on the signal transmit power, the method further comprises:
and displaying target prompt information, wherein the target prompt information is used for prompting the abnormal PA with abnormality.
12. An apparatus for camping on a cell, the apparatus comprising:
the first determining module is used for determining an abnormal PA based on signal transmitting power, wherein at least two PAs are arranged in the terminal, and different PAs are used for performing power amplification processing on signals of different frequency bands;
a second determining module, configured to determine a frequency band corresponding to the abnormal PA as a forbidden frequency band;
and the cell residing module is used for carrying out cell residing based on the forbidden frequency band, wherein the frequency band of the cell where the terminal resides does not belong to the forbidden frequency band.
13. A terminal, comprising a processor and a memory, wherein the memory has stored therein at least one instruction, which is loaded and executed by the processor to implement the cell camping method according to any of claims 1-11.
14. A computer-readable storage medium having at least one program code stored therein, the program code being loaded and executed by a processor to implement the cell camping method according to any of claims 1-11.
15. A computer program product, characterized in that the computer program product comprises computer instructions which, when executed by a processor, implement the cell camping method according to claims 1-11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111171973.8A CN113873594A (en) | 2021-10-08 | 2021-10-08 | Cell residence method, device, terminal and storage medium |
| PCT/CN2022/117387 WO2023056819A1 (en) | 2021-10-08 | 2022-09-06 | Cell camping method and apparatus, terminal, and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111171973.8A CN113873594A (en) | 2021-10-08 | 2021-10-08 | Cell residence method, device, terminal and storage medium |
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| WO2023056819A1 (en) | 2023-04-13 |
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