CN114710815B - Cell residence method and device, terminal and computer readable storage medium - Google Patents
Cell residence method and device, terminal and computer readable storage medium Download PDFInfo
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- H—ELECTRICITY
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Abstract
The disclosure relates to a cell residence method and device, a terminal and a storage medium, wherein the cell residence method comprises the following steps: determining a residence reference value of a target cell according to the wireless abnormal condition of the target cell; and determining the camping cell according to the camping reference value. According to the method and the device, the residence reference value according to which the terminal determines the residence cell is determined based on the wireless abnormal condition, and the determined residence reference value can also characterize the stability of the cell because the wireless abnormal condition of the cell is related to the stability of the cell, so that when the residence cell is selected from the target cell, the residence cell determined in the target cell according to the residence reference value of the target cell has relatively good stability. And after the terminal is resided in the determined resident cell, the terminal can provide good user experience when the terminal needs to perform or is about to perform service with higher requirements on stability.
Description
Technical Field
The present disclosure relates to the field of network communication technologies, and in particular, to a cell camping method, a cell camping apparatus, a terminal, and a computer readable storage medium.
Background
With the development of mobile communication technology, in most cases, there are a plurality of wireless base stations in the vicinity of an area where an intelligent terminal is located. In the related art, an intelligent terminal obtains a wireless communication service provided by an operator by selecting and registering to a corresponding cellular wireless cell of one of base stations.
But the quality of the radio environment of the cell in which the terminal is registered determines the quality of experience of the user data and voice traffic. When a user performs a specific service in some scenes, for example, performs a long-service data service in a non-mobile scene, for example, plays a game, looks live, and the like, the user is more easily affected by the abnormal wireless environment than other services in the non-mobile scene, and the requirement on the wireless environment quality of a cell is higher.
Disclosure of Invention
In view of this, embodiments of the present disclosure provide a cell camping method, a cell camping apparatus, a terminal, and a computer readable storage medium, for a terminal to select a cell with an optimal wireless environment for camping.
Specifically, the disclosure is realized through the following technical scheme:
According to a first aspect of the present disclosure, a cell camping method is provided, applied to a terminal, including: determining a residence reference value of a target cell according to the wireless abnormal condition of the target cell; the target cell comprises a current service cell of the terminal and a neighbor cell of the service cell, and the resident reference value is inversely related to the abnormal degree of the wireless abnormal condition; and determining a camping cell according to the camping reference value.
According to a second aspect of the present disclosure, there is provided a cell camping apparatus, applied to a terminal, comprising: the information determining module is configured to determine a residence reference value of a target cell according to the wireless abnormal condition of the target cell; the target cell comprises a current service cell of the terminal and a neighbor cell of the service cell, and the resident reference value is inversely related to the abnormal degree of the wireless abnormal condition; a cell determination module configured to determine a camping cell based on the camping reference value.
According to a third aspect of the present disclosure, there is provided an electronic device comprising: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to implement the method as described in the embodiments of the first aspect described above by executing the executable instructions.
According to a fourth aspect of embodiments of the present disclosure, there is provided a computer readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the steps of the method as described in the embodiments of the first aspect above.
According to the technical scheme provided by the disclosure, the residence reference value according to which the terminal determines the residence cell is determined based on the wireless abnormal condition, and the determined residence reference value can also characterize the stability of the cell because the wireless abnormal condition of the cell is related to the stability of the cell, so that when the residence cell is selected from the target cell, the residence cell determined in the target cell according to the residence reference value of the target cell has relatively good stability. And after the terminal is resided in the determined resident cell, the terminal can provide good user experience when the terminal needs to perform or is about to perform service with higher requirements on stability.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic flow chart diagram illustrating a method of cell camping according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram illustrating yet another cell-camping method according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram illustrating yet another cell-camping method according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram illustrating yet another cell-camping method according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram illustrating yet another cell-camping method according to an embodiment of the present disclosure;
fig. 6 is a schematic block diagram of a cell-camping apparatus, shown in accordance with an embodiment of the present disclosure;
Fig. 7 is a schematic block diagram of a terminal shown in accordance with an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination" depending on the context.
Fig. 1 is a schematic flow chart diagram illustrating a cell camping method according to an exemplary embodiment of the present disclosure. As shown in fig. 1, the method can be applied to a terminal, where the terminal includes, but is not limited to, mobile phones, tablet computers, wearable devices, sensors, internet of things devices, and other electronic devices. The terminal may communicate as a user equipment with base stations including, but not limited to, 4G base stations, 5G base stations, 6G base stations.
As shown in fig. 1, the cell camping method may include the steps of:
In step S1: determining a residence reference value of a target cell according to the wireless abnormal condition of the target cell; the target cell comprises a current service cell of the terminal and a neighbor cell of the service cell, and the resident reference value is inversely related to the abnormal degree of the wireless abnormal condition.
In step S2: and determining a camping cell according to the camping reference value.
The residence reference value is related to the abnormal degree of the wireless abnormal condition of the cell, and is used for reflecting the wireless environment quality of the cell so as to be used for reference when the terminal selects the cell to be resided. In this embodiment, for convenience of description, a current serving cell of a terminal and a neighboring cell of the serving cell are referred to as a target cell, that is, the target cell includes the current serving cell of the terminal and the neighboring cell of the serving cell. It will be appreciated by those skilled in the art that the higher the degree of radio anomaly of the target cell, the lower the quality of the radio environment of the target cell. Accordingly, the higher the degree of abnormality of the radio abnormality, the lower the camping reference value of the cell.
In the related art, the terminal selects a camping cell, which is determined only according to the signal quality of the cell, for example, the reference signal received Power (REFERENCE SIGNAL RECEIVING Power), for example, the cell with the best signal quality may be selected as the camping cell. Although the signal quality is simply considered to meet the requirement of the terminal for partial services, it is difficult for some services to meet the requirement.
For example, in a non-mobile scenario, the services that the terminal needs to (or is about to) perform or is in progress are long-protection data services, such as online games, live broadcast, etc., which have relatively high requirements on network stability, because the network is slightly unstable, which greatly affects the user experience.
Since the signal quality of the cell is best, it does not represent the best stability of the cell, as some radio anomalies may occur in the cell, such as an unresponsiveness to some operation of the terminal, or a rejection of some operation of the terminal, or a radio link failure of the terminal on the cell. These radio anomalies occur in cells with relatively poor signal quality and in cells with relatively good signal quality. When the wireless abnormal condition occurs, the stability of the cell is deteriorated, and the long-term data service in the non-mobile scene of the user is greatly influenced.
According to this embodiment, the camping reference value according to which the terminal determines to camp on the cell is determined based on the radio anomaly condition, and since the radio anomaly condition of the cell is related to the stability of the cell, the determined camping reference value can also characterize the stability of the cell, so that when selecting to camp on the target cell, the stability of the camping cell determined in the target cell according to the camping reference value of the target cell is relatively good. And after the terminal is resided in the determined resident cell, the terminal can provide good user experience when the terminal needs to perform or is about to perform service with higher requirements on stability.
In one embodiment, the degree of abnormality of the wireless abnormality is determined based on at least one of:
the type of the wireless abnormal condition; and the occurrence times of the wireless abnormal condition are counted.
The degree of abnormality of the wireless abnormality may be related to the number of occurrences of the wireless abnormality and/or the type of the wireless abnormality.
Specifically, the degree of abnormality of the radio abnormality may be positively correlated with the occurrence frequency of the radio abnormality, and the greater the occurrence frequency of the radio abnormality in the target cell, the greater the degree of abnormality of the radio abnormality. Aiming at different types of wireless abnormal conditions, the terminal can preset the corresponding relation between the types of the wireless abnormal conditions and the abnormal degree of the wireless abnormal conditions according to the actual conditions of the influence degree of the different types of the wireless abnormal conditions on the voice service and/or the data service of the terminal. Thus, when a wireless abnormality occurs, the terminal can determine the degree of abnormality corresponding to the type of the wireless abnormality occurring according to the correspondence.
Optionally, the type of the wireless abnormal condition includes at least one of:
The preset operation of the terminal is refused, the preset operation of the terminal is not responded, the wireless link fails, and the wireless connection is abnormal.
In one embodiment, when the preset operation of the cell is refused, the terminal may determine that the target cell has a wireless abnormal situation, and determine the degree of abnormality of the wireless abnormal situation according to the type of the preset operation specifically performed.
The type of the wireless abnormal condition may include that the preset operation of the terminal is rejected and/or that the preset operation of the terminal is not responded. The preset operation of the terminal may include a TAU (TRACKING AREA Update) request, and/or an Attach request, and/or a Service request and/or a PDN (Public Data Network ) Connect request of the terminal.
When the base station corresponding to the target cell refuses any one of TAU request, attach request, service request and PDN Connect request of the terminal, the terminal can determine that the wireless abnormal condition occurs in the target cell. Similarly, when the base station corresponding to the target cell does not respond to any one of the TAU request, attach request, service request and PDN Connect request of the terminal, the terminal may also determine that the wireless anomaly condition occurs in the target cell. Of course, it should be understood that the preset operation of the terminal in the present disclosure is not limited to the TAU request and the like already described above, and in fact, the preset operation of the terminal may be set by one skilled in the art as needed, which is not limited by the present disclosure.
The TAU request is a tracking area update request sent by the terminal, the Attach request is a network attachment request sent by the terminal when the terminal registers and registers to the network by using a service provided by the network and a service forward direction, and when the connection between a base station corresponding to a cell and a core network is disconnected or other abnormal conditions exist, the TAU request and the Attach request sent by the terminal cannot be normally sent to the core network through the base station corresponding to the cell, and the terminal cannot normally access the network.
Taking the TAU request as an example, after receiving the TAU request sent by the terminal, the base station corresponding to the cell where the terminal currently resides replies a TAU reject message to the terminal if the connection between the base station and the core network is disconnected. After receiving the TAU reject message, the terminal can determine that the currently resident service cell has a wireless abnormal condition with the type that the preset operation of the terminal is refused.
The Service request is a Service request sent by the terminal to a base station corresponding to the cell, where the Service request may indicate a Service type to be performed by the terminal, and if the base station corresponding to the serving cell where the terminal currently resides cannot process the Service of the type or has other anomalies, a situation that the base station refuses or does not respond to the Service request sent by the terminal may occur, so that the terminal cannot perform the Service to be performed by the executor in the target cell. Therefore, the Service request sent by the terminal can be refused and/or not responded, and the wireless abnormal situation can be set.
The PDN connection request is a public data network connection request sent by the terminal. For terminals compatible with 2G, 3G and 4G communication systems, a PDN connection request is sent to a base station in the startup registration process, so that the network is accessed by using high-quality data transmission services provided by PDNs. In practical application, after receiving the PDN connection request, some base stations may return a PDN reject connection message to the mobile terminal for some anomaly reasons, so that the PDN connection is abnormal, and the terminal cannot access the network. Therefore, the PDN Connect request sent by the terminal may be rejected and/or unresponsive, and set to a wireless anomaly condition.
In one embodiment, the type of radio anomaly may include a radio link failure. Since the normal service of the terminal is affected when the radio link fails, when RLF (Radio Link Failure ) occurs in the currently camping serving cell, it can be determined that a radio anomaly with the type of radio link failure occurs in the currently camping serving cell.
In one embodiment, the type of wireless anomaly of the terminal may include a wireless connection anomaly, wherein the specific form of the wireless connection anomaly may be set by one skilled in the art as required. For example, the terminal may be able to normally send uplink data in the cell where the terminal resides, but may not receive downlink data, set a radio connection abnormality, and when the terminal detects that the situation exists, it may determine that the cell where the terminal resides has a radio abnormality whose type is a radio connection abnormality.
Fig. 2 is a schematic diagram illustrating yet another cell-camping method according to an embodiment of the present disclosure. As shown in fig. 2, the determining the residence reference value of the target cell according to the abnormal wireless situation of the target cell includes:
In step S11, determining an initial camping reference value of a target cell according to signal quality of the target cell;
In step S12, a camping reference value of the target cell is determined according to the initial camping reference value of the target cell and the radio anomaly condition of the target cell.
Since both the signal quality and the radio abnormality of the cell affect the communication effect of the terminal in the cell, in this embodiment, the signal quality and the radio abnormality of the target cell may be comprehensively considered to determine the residence reference value of the target cell. Accordingly, it is advantageous to ensure the accuracy of determining the resident reference value.
Since the signal quality of a cell can be determined according to the RSRP, which can be determined by receiving a reference signal, which is typically broadcast by the cell, the terminal determines the signal quality of the target cell during the reception operation.
The radio anomaly condition needs the terminal to initiate the preset operation in the above embodiment and/or perform the radio connection for the target cell, which is relatively complex compared to the operation that needs the terminal to perform the receiving operation, and the terminal may select the timing of performing the preset operation and/or performing the radio connection according to the need, for example, may or may not perform the operation of receiving the reference signal.
The terminal can firstly perform relatively simple operation to determine the signal quality of the target cell, and then determine the initial residence reference value of the target cell according to the signal quality of the target cell; and then, relatively complex operation is executed, the wireless abnormal condition of the target cell is determined, and then, the residence reference value of the target cell is determined according to the initial residence reference value and the wireless abnormal condition. Accordingly, the terminal is facilitated to determine the resident reference value.
In one embodiment, when the terminal is in the current serving cell and it is not determined to switch to the neighboring cell, if the above-mentioned preset operation or wireless connection is performed on the neighboring cell, it is possible to affect the communication of the terminal in the serving cell, so that the above-mentioned preset operation or wireless connection is not performed on the neighboring cell generally, but the signal quality of the neighboring cell may be determined.
Therefore, in order to determine the camping reference values of the serving cell and the neighbor cells, the terminal may determine the initial camping reference value of the target cell according to the signal quality of the target cell. For neighbor cells in the target cell, only the initial camping reference value may be determined; for a serving cell in the target cell, a radio anomaly may be further determined, and then a camping reference value for the serving cell is determined based on the radio anomaly. And further determining the camping cell according to the initial camping reference value of the neighbor cell and the camping reference value of the serving cell.
Fig. 3 is a schematic diagram illustrating yet another cell-camping method according to an embodiment of the present disclosure. As shown in fig. 3, the initial camping reference value of the current serving cell of the terminal is the initial camping reference value of the serving cell, and the determining the initial camping reference value of the target cell according to the signal quality of the target cell includes:
in step S111, determining resident difference information according to a difference between the signal quality of the serving cell and the signal quality of the neighbor cell;
In step S112, an initial camping reference value of the neighboring cell is determined according to the initial camping reference value of the serving cell and the camping difference information.
When determining the initial residence information of each target cell, the terminal can preset the initial residence reference value of the current serving cell to be used as a standard for calculating the initial residence reference value of the adjacent cell, so that the subsequent calculation is convenient. And then the residence difference information can be determined according to the difference between the signal quality of the current service cell and the signal quality of the neighbor cell of the service cell, and the initial residence reference value of the current service cell of the terminal is adjusted to obtain the initial residence reference value of each neighbor cell.
In one embodiment, the determining the initial camping reference value of the neighbor cell according to the initial camping reference value of the serving cell and the camping difference information comprises:
when the signal quality of the adjacent cell is higher than that of the service cell, adding the initial residence reference value of the service cell according to the residence difference information to serve as the initial residence reference value of the adjacent cell; and/or
And when the signal quality of the neighbor cell is lower than that of the service cell, the initial residence reference value of the service cell is reduced according to the residence difference information to serve as the initial residence reference value of the neighbor cell.
In one embodiment, if the signal instruction of the neighboring cell is higher than the signal quality of the serving cell, it is indicated that the signal quality of the neighboring cell is better, so that the neighboring cell is more likely to reside in the neighboring cell from the viewpoint of signal quality, so that the signal instruction of the neighboring cell and the signal instruction of the serving cell can be divided on the basis of the initial residence reference value of the serving cell according to the difference of the signal quality of the neighboring cell and the signal instruction of the serving cell, so as to obtain the initial residence reference value of the neighboring cell, that is, the initial residence reference value of the neighboring cell is higher than the initial residence reference value of the serving cell;
If the signal instruction of the neighbor cell is lower than the signal quality of the serving cell, the signal quality of the serving cell is better, so that the neighbor cell is more likely to stay resident in the serving cell from the viewpoint of signal quality, and the signal quality difference between the neighbor cell and the serving cell can be reduced on the basis of the initial resident reference value of the serving cell, so that the initial resident reference value of the neighbor cell is obtained, that is, the initial resident reference value of the neighbor cell is lower than the initial resident reference value of the serving cell.
The difference between the signal quality of the serving cell and the signal quality of the neighboring cell may be determined according to the difference between the signal quality of the serving cell and the signal quality of the neighboring cell as in the above embodiment, or may be determined in other manners according to needs, for example, according to the ratio between the signal quality of the serving cell and the signal quality of the neighboring cell, which is not limited in the present disclosure.
For example, when the camping reference value is expressed in the form of a score, the initial camping reference value of the current serving Cell a of the terminal may be set to 100 scores.
According to the difference of the RSRP values of the current serving Cell a and the neighbor Cell B of the terminal, the residence difference information between the neighbor Cell B and the serving Cell a thereof can be determined, and it should be noted that, here, in order to facilitate the data processing of the computer, the residence difference information obtained by calculation can be rounded up.
Taking the initial residence reference value 100 minutes of the serving Cell A as the reference standard of the initial residence reference value of each adjacent Cell, the calculation formula of the initial residence reference value of the adjacent Cell of the serving Cell cell_A is as follows:
s_cell_b=100-Ceil ((RSRP of Cell a-RSRP of neighbor Cell B)/3);
Wherein s_cell_b represents an initial camping reference value of neighbor cell_b; 100 denotes a preset initial reference score of 100 points for the serving Cell cell_a; ceil is an upward rounding function, which represents that the calculation result ((RSRP of cell a-RSRP of neighbor cell B)/3) is rounded upward; 3 represents the attenuation step in dB.
If the current RSRP value of the serving Cell Cell_A of the terminal is-85 dBm, the RSRP value of the neighbor Cell Cell_B of the terminal is-87 dBm, and the RSRP value of the neighbor Cell Cell_C of the terminal is-89 dBm, the initial residence reference value of the neighbor Cell Cell_B is 99 minutes and the initial residence reference value of the neighbor Cell Cell_B is 98 minutes according to the formula.
Fig. 4 is a schematic diagram illustrating yet another cell-camping method according to an embodiment of the present disclosure. As shown in fig. 4, the determining the camping reference value of the target cell according to the initial camping reference value of the target cell and the abnormal wireless situation of the target cell includes:
in step S121, a corresponding score is determined according to the radio anomaly of the target cell;
In step S122, the fractional point is subtracted from the initial camping reference value of the target cell to determine a camping reference value of the target cell.
Since the more serious the radio abnormality of a cell, the more times the radio abnormality occurs, the worse the stability of communication in the cell is explained, and thus the possibility of camping on the cell is inversely related to the radio abnormality from the radio abnormality point of view.
Therefore, after determining the initial residence reference value of each target cell according to the signal quality of the target cell, the terminal needs to make a deduction for the wireless abnormal situation, so that the corresponding deduction score can be determined according to the wireless abnormal situation occurring in the target cell, for example, the greater the degree of abnormality of the wireless abnormal situation is, the greater the deduction score is, the greater the number of times of occurrence of the wireless abnormal situation is, and the greater the deduction score is (for example, the deduction score is accumulated once every time the wireless abnormal situation occurs).
And then the deduction fraction can be subtracted on the basis of the initial residence reference value of the target cell, so as to obtain the residence reference value of the target cell. It should be noted that, in the present disclosure, the residence reference value of the target cell may be set to be deducted according to the occurrence of the wireless abnormal situation of the cell whenever the existence of the wireless abnormal situation of the cell is detected, that is, the residence reference value of the target cell is deducted once according to the deduction score corresponding to the occurrence of the wireless abnormal situation whenever the occurrence of the wireless abnormal situation is detected, so as to update the residence reference value. Therefore, the terminal can respond to the abnormal situation in time, and the cell with the optimal quality of the real-time wireless environment can be selected for residence.
Further, since the resident reference value is related to the degree of abnormality of the wireless abnormality as described above, the degree of abnormality of the wireless abnormality may be determined based on the type of the wireless abnormality and the occurrence number of the wireless abnormality. Therefore, when the terminal updates the initial residence reference value of the target cell according to the wireless abnormal situation, the specific type of the wireless abnormal situation of the target cell can be further considered.
For example, under the condition that the resident reference value is expressed in the form of a score, the terminal can set different deduction degrees for different types of wireless abnormal conditions in advance, so that the determined resident reference value can reflect the service influence degree of the actual wireless abnormal condition on the terminal, and the terminal has better referenceability.
Taking the above example as an example, if the preset condition is that the preset operation of the terminal is refused, the terminal is buckled 5 points, if the preset operation of the terminal is unresponsive, the terminal is buckled 3 points, if the wireless abnormal condition is that the wireless link fails, the terminal is buckled 3 points, and if the wireless abnormal condition is that the wireless connection is abnormal, the terminal is buckled 2 points.
The initial camping reference values in the serving Cell cell_a, the neighbor cell_b and the neighbor cell_c are 100 minutes, 98 minutes and 96 minutes, respectively. Take the example that the terminal currently camps on the serving Cell cell_a.
For example, after the terminal initiates the TAU request, it may be determined that the TAU request initiated by the terminal is rejected after receiving the TAU reject information replied by the network, that is, the serving Cell cell_a has a wireless anomaly condition that a preset operation of the terminal is rejected, and it is required to calculate a residence reference value of the serving Cell cell_a, and deduct 5 minutes on the basis of 100 minutes of the initial residence reference value, so as to obtain that the residence reference value of the serving Cell cell_a is 95 minutes, the residence reference value of the neighbor cell_b is still 95 minutes, and the residence reference value of the neighbor cell_c is still 96 minutes. In this case, the neighbor Cell cell_c camping reference value is highest, and then the neighbor Cell cell_c may be selected as the camping Cell to camp on.
For example, if the terminal fails in radio link in the serving Cell cell_a, it needs to calculate the residence reference value of the serving Cell cell_a, and deduct 3 minutes on the basis of 100 minutes of the initial residence reference value, so as to obtain that the residence reference value of the serving Cell cell_a is 97 minutes, the residence reference value of the neighboring Cell cell_b is still 95 minutes, and the residence reference value of the neighboring Cell cell_c is still 96 minutes. In this case, the serving Cell cell_a camping reference value is highest, and then the neighbor Cell cell_a may be selected as the camping Cell, i.e., still camping on the current serving Cell.
The above embodiment describes an example of the deduction of the occurrence of the one-time wireless abnormal condition, and when the occurrence of the multiple-time wireless abnormal condition occurs, the multiple-time deduction can be performed according to the deduction score corresponding to the wireless abnormal condition. For example, two radio link failures occur, two deductions may be performed, accumulating 2×3=6 points, for example, one radio link failure occurs, determining that one TAU request is rejected, and two deductions are performed, accumulating 3+5=8 points.
If the signal quality of the target cell changes during the process of determining the camping reference value of the target cell, the signal quality of the target cell after the change is different from the signal quality referred to when the initial camping reference value of the target cell is determined, so that the initial camping reference value of the target cell can be adjusted accordingly when the signal quality of the target cell is changed.
For example, in the case of expressing the camping reference value in the form of a score, if the signal quality of the target cell increases, the initial camping reference value of the target cell needs to be added, and if the signal quality of the target cell decays, the initial camping reference value of the target cell needs to be deducted, so that the accuracy of the camping reference value is improved.
Taking the above case of determining the initial camping score of the target cell according to the formula (1) as an example, since the 3dBm is taken as an attenuation step when determining the camping difference information according to the RSRP value of the target cell, when the signal quality of the subsequent target cell changes, the 3dBm should be taken as an attenuation step when correspondingly adjusting the initial camping reference value of the target cell, the initial camping reference value of the target cell is deducted by 1 minute every time the RSRP of any cell decays by 3dBm, otherwise, the initial camping reference value of the target cell is added by 1 minute every time the RSRP of any cell increases by 3 dBm.
In one embodiment, after determining the camping reference value of each target cell, the terminal may select the target cell with the highest camping reference value as the camping cell. And each time the residence reference value of the cell is updated, judging whether the residence cell needs to be reselected or not, if the target cell with the highest residence reference message is the same as the cell in which the terminal currently resides, the terminal does not need to carry out cell switching; if the two types of the information are different, the terminal can select the target cell with the highest residence reference information as the residence cell, and send a wireless access request to the target cell to try to switch to the target cell for residence, so that the terminal is ensured to be always in the cell with the optimal wireless environment quality, and the user is ensured to be always in the optimal data service experience.
Still taking the above example as an example, when a radio anomaly condition occurs in the serving Cell cell_a in which the terminal resides, the type of which is that the preset operation of the terminal is refused, the residence reference values of the serving Cell cell_a, the neighbor cell_b and the neighbor cell_c are updated from 100 minutes, 98 minutes and 96 minutes to 95 minutes, 98 minutes and 96 minutes. The target Cell with the highest camping reference value is changed from the serving Cell cell_a to the neighbor cell_b, and the terminal reselects the neighbor cell_b to be the camping Cell.
Fig. 5 is a schematic diagram illustrating yet another cell-camping method according to an embodiment of the present disclosure. As shown in fig. 5, the determining a camping cell according to the camping reference value includes:
In step S21, sorting the target cells according to the residence reference value of the target cells;
In step S22, according to the sorting result, the target cell with the highest camping reference value is selected as the camping cell.
The terminal may determine the target cell with the highest camping reference value by ordering the camping reference values of the target cells. After each occurrence of wireless abnormal conditions, the terminal sorts the residence reference values of all the target cells, and selects the target cell with the highest residence reference message as the residence cell according to the sorting result.
In this embodiment, since the camping reference values of the target cells are ordered in advance before determining the target cell with the highest camping reference value, when the target cell with the highest camping reference message cannot cause the terminal to camp due to other reasons of non-wireless abnormal conditions, the terminal can directly select the cell with the second highest camping reference value according to the ordering result to camp, thereby improving the convenience of the terminal in selecting the camping cell.
When the residence reference value of the target cell changes, the target cell can be reordered according to the changed residence reference value.
In one embodiment, since the reason that the base station rejects the TAU/Attach request of the terminal is due to the fact that there is an abnormality in the connection between the base station and the core network to a large extent, in the case that the radio abnormality of the target cell is that the TAU/Attach request of the terminal is rejected, after the terminal is handed over to other cell residents capable of making the TAU/Attach request, related information about the radio abnormality that the TAU/Attach request of the terminal is rejected may be sent to the core network through the handed over cell, and the related information may include information of the base station corresponding to the cell rejecting the TAU/Attach request of the terminal. Therefore, the core network can know the base station with abnormal connection in time, so that the connection can be restored in time.
Still taking the above example as an example, since the wireless abnormal situation of the terminal in the serving Cell cell_a is that the terminal receives TAU reject information replied by the network for the TAU request, after the terminal switches from the serving Cell cell_a to the neighboring Cell cell_b, the terminal may send a message indicating that there is an abnormality in the connection between the base station corresponding to the serving Cell cell_a and the core network through the neighboring cell_b to the core network.
In one embodiment, a terminal determines a residence reference value of a target cell according to the abnormal wireless condition of the target cell in response to communication under the condition that a target condition is met; wherein the target condition includes at least one of: in a non-mobile scenario; and performing long-term data service. The long-term data service is a data service such as games, live broadcast and the like, which requires that the terminal and the base station keep data interaction for a long time.
The quality requirement on the wireless environment of the target cell is relatively high when long-term data service is performed in a non-mobile scene, and the quality requirement on the wireless environment of the target cell is relatively low when other services are performed. Therefore, the residence reference value of the target cell can be determined according to the wireless abnormal condition of the target cell only when the data long-term service is carried out in a non-mobile scene, and the residence cell is determined according to the residence reference value, and when other services are carried out, the residence cell can be determined according to the signal quality of the target cell only, thereby being beneficial to reducing unnecessary determination of the wireless abnormal condition and reducing resource consumption.
In one embodiment, the method further comprises:
and clearing the resident reference value in response to the target condition not being met.
And when the target condition is not met, the terminal can clear the residence reference value, wherein the residence reference value can be stored in a table form, for example, the table comprises the identifications of a plurality of cells and residence parameter values (such as scores) corresponding to each cell. Namely, when the terminal is detected to exit the data long-service in the non-mobile scene, the resident reference message can be directly cleared, so that the occupied storage space is avoided.
According to the technical scheme provided by the disclosure, the residence reference value which can be used for the reference of the terminal is generated according to the wireless abnormal condition of the target cell, so that the terminal can select the cell with the optimal wireless environment in real time for residence, and the optimal data service experience is provided for the user.
The present disclosure also provides embodiments of a cell-camping apparatus, corresponding to the embodiments of the cell-camping method described previously.
Fig. 6 is a schematic block diagram of a cell-camping apparatus according to an exemplary embodiment of the present disclosure. As shown in fig. 6, the apparatus may be applied to a terminal, where the terminal includes, but is not limited to, mobile phones, tablet computers, wearable devices, sensors, internet of things devices, and other electronic devices. The terminal may communicate as a user equipment with base stations including, but not limited to, 4G base stations, 5G base stations, 6G base stations.
As shown in fig. 6, the target cell camping apparatus may include:
A residence reference value module 1 configured to determine a residence reference value of a target cell according to a wireless abnormal condition of the target cell; the target cell comprises a current service cell of the terminal and a neighbor cell of the service cell, and the resident reference value is inversely related to the abnormal degree of the wireless abnormal condition;
the cell to camp on determining module 2 is configured to determine a camping cell according to the camping reference value.
Optionally, the degree of abnormality of the wireless abnormality is determined based on at least one of: the type of the wireless abnormal condition; and the occurrence times of the wireless abnormal condition are counted.
Optionally, the type of the wireless abnormal condition includes at least one of the following: the preset operation of the terminal is refused; the preset operation of the terminal is not responded; a radio link failure; the wireless connection is abnormal.
Optionally, the preset operation includes at least one of: a TAU request; an Attach request; service requests; PDN Connect request.
Optionally, the camping reference value module is configured to determine an initial camping reference value of a target cell according to signal quality of the target cell; and determining the residence reference value of the target cell according to the initial residence reference value of the target cell and the wireless abnormal condition of the target cell.
Optionally, the initial camping reference value of the current serving cell of the terminal is an initial camping reference value of the serving cell, and the camping reference value module is configured to determine camping difference information according to a difference between the signal quality of the serving cell and the signal quality of the neighboring cell; and determining the initial camping reference value of the neighbor cell according to the initial camping reference value of the serving cell and the camping difference information.
Optionally, the camping reference value module is configured to divide the initial camping reference value of the serving cell according to the camping difference information when the signal quality of the neighboring cell is higher than the signal quality of the serving cell, so as to serve as the initial camping reference value of the neighboring cell; and/or
And when the signal quality of the neighbor cell is lower than that of the service cell, the initial residence reference value of the service cell is reduced according to the residence difference information to serve as the initial residence reference value of the neighbor cell.
Optionally, the residence reference value module is configured to determine a corresponding deduction score according to the wireless abnormal condition of the target cell; and subtracting the withhold score from the initial camping reference value of the target cell to determine a camping reference value of the target cell.
Optionally, the to-be-camped cell determining module is configured to sort the target cells according to the camping reference values of the target cells; and selecting the target cell with the highest resident reference value as the resident cell according to the sequencing result.
Optionally, the to-be-camped cell determining module is configured to determine a camping reference value of a target cell according to a wireless abnormal condition of the target cell in response to communication under the condition that a target condition is met; wherein the target condition includes at least one of: in a non-mobile scenario; and performing long-term data service.
Optionally, the apparatus further includes:
A clearing module 3 configured to clear the resident reference value in response to the target condition not being met,
The implementation process of the functions and roles of each unit in the above device is specifically shown in the implementation process of the corresponding steps in the above method, and will not be described herein again.
For the device embodiments, reference is made to the description of the method embodiments for the relevant points, since they essentially correspond to the method embodiments. The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the objectives of the disclosed solution. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
The embodiment of the disclosure also provides a terminal, which comprises:
A processor;
A memory for storing processor-executable instructions;
wherein the processor is configured to implement the cell camping method of any of the embodiments described above.
Embodiments of the present disclosure also provide a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the cell-camping method of any of the embodiments described above.
Fig. 7 is a schematic block diagram of a terminal 700 shown in accordance with an embodiment of the present disclosure. For example, the terminal 700 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, exercise device, personal digital assistant, or the like.
Referring to fig. 7, a terminal 700 may include one or more of the following components: a processing component 702, a memory 704, a power component 706, a multimedia component 708, an audio component 710, an input/output (I/O) interface 712, a sensor component 714, and a communication component 716.
The processing component 702 generally controls overall operation of the terminal 700, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 702 may include one or more processors 720 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 702 can include one or more modules that facilitate interaction between the processing component 702 and other components. For example, the processing component 702 may include a multimedia module to facilitate interaction between the multimedia component 708 and the processing component 702.
The memory 704 is configured to store various types of data to support operation at the terminal 700. Examples of such data include instructions for any application or method operating on terminal 700, contact data, phonebook data, messages, pictures, video, and the like. The memory 704 may be implemented by any type of volatile or non-volatile memory device or combination thereof, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk, or optical disk.
The power supply component 706 provides power to the various components of the terminal 700. Power supply components 706 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for terminal 700.
The multimedia component 708 includes a screen between the terminal 700 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 708 includes a front-facing camera and/or a rear-facing camera. The front camera and/or the rear camera may receive external multimedia data when the terminal 700 is in an operation mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.
The audio component 710 is configured to output and/or input audio signals. For example, the audio component 710 includes a Microphone (MIC) configured to receive external audio signals when the terminal 700 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 704 or transmitted via the communication component 716. In some embodiments, the audio component 710 further includes a speaker for outputting audio signals.
The I/O interface 712 provides an interface between the processing component 702 and peripheral interface modules, which may be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.
The sensor assembly 714 includes one or more sensors for providing status assessment of various aspects of the terminal 700. For example, the sensor assembly 714 may detect an on/off state of the terminal 700, a relative positioning of the components, such as a display and keypad of the terminal 700, a change in position of the terminal 700 or a component of the terminal 700, the presence or absence of user contact with the terminal 700, an orientation or acceleration/deceleration of the terminal 700, and a change in temperature of the terminal 700. The sensor assembly 714 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 714 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 714 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 716 is configured to facilitate communication between the terminal 700 and other devices, either wired or wireless. The terminal 700 may access a wireless network based on a communication standard, such as WiFi, 2G, 3G, 4G LTE, 5G NR, or a combination thereof. In one exemplary embodiment, the communication component 716 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 716 further includes a Near Field Communication (NFC) module to facilitate short range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the terminal 700 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.
In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as memory 704, including instructions executable by processor 720 of terminal 700 to perform the above-described method. For example, the non-transitory computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
The foregoing description of the preferred embodiments of the present disclosure is not intended to limit the disclosure, but rather to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present disclosure.
Claims (15)
1. A method of cell camping, applied to a terminal, the method comprising:
Determining a residence reference value of a target cell according to the wireless abnormal condition of the target cell; the target cell comprises a current service cell of the terminal and a neighbor cell of the service cell, and the resident reference value is inversely related to the abnormal degree of the wireless abnormal condition;
determining a camping cell according to the camping reference value;
The terminal is preset with a corresponding relation between the type of the wireless abnormal condition and the abnormal degree of the wireless abnormal condition; the degree of abnormality of the wireless abnormality is determined based on the type of the wireless abnormality; the type of wireless anomaly includes at least one of: the preset operation of the terminal is refused, the preset operation of the terminal is not responded, the wireless link fails, and the wireless connection is abnormal.
2. The method according to claim 1, wherein the determining the camping reference value of the target cell according to the radio anomaly condition of the target cell comprises:
Determining an initial residence reference value of a target cell according to the signal quality of the target cell;
And determining the residence reference value of the target cell according to the initial residence reference value of the target cell and the wireless abnormal condition of the target cell.
3. The method of claim 2, wherein said determining an initial camping reference value for a target cell based on signal quality of the target cell comprises:
Determining resident difference information according to the difference between the signal quality of the serving cell and the signal quality of the neighbor cell;
and determining the initial residence reference value of the neighbor cell according to the initial residence reference value of the serving cell and the residence difference information.
4. The method of claim 3, wherein said determining an initial camping reference value for the neighbor cell based on the initial camping reference value for the serving cell and the camping difference information comprises:
when the signal quality of the adjacent cell is higher than that of the service cell, adding the initial residence reference value of the service cell according to the residence difference information to serve as the initial residence reference value of the adjacent cell; and/or
And when the signal quality of the neighbor cell is lower than that of the service cell, the initial residence reference value of the service cell is reduced according to the residence difference information to serve as the initial residence reference value of the neighbor cell.
5. The method of claim 3, wherein said determining the camping reference value for the target cell based on the initial camping reference value for the target cell and the radio anomaly of the target cell comprises:
Determining corresponding deduction scores according to the wireless abnormal conditions of the target cell;
Subtracting the withhold score from the initial camping reference value of the target cell to determine a camping reference value of the target cell.
6. The method according to any one of claims 1 to 5, wherein said determining a camping cell from said camping reference value comprises:
Sorting the target cells according to the residence reference values of the target cells;
and selecting the target cell with the highest resident reference value as the resident cell according to the sequencing result.
7. The method according to any one of claims 1 to 5, wherein the determining the camping reference value of the target cell according to the radio anomaly condition of the target cell comprises:
Determining a residence reference value of a target cell according to the wireless abnormal condition of the target cell in response to communication under the condition that a target condition is met; wherein the target condition includes at least one of:
In a non-mobile scenario;
And performing long-term data service.
8. The method of claim 7, wherein the method further comprises:
and clearing the resident reference value in response to the target condition not being met.
9. A cell-camping apparatus for use with a terminal, the apparatus comprising:
A residence reference value module configured to determine a residence reference value of a target cell according to a wireless abnormal condition of the target cell; the target cell comprises a current service cell of the terminal and a neighbor cell of the service cell, and the resident reference value is inversely related to the abnormal degree of the wireless abnormal condition;
a cell to be camped determining module configured to determine a camped cell according to the camped reference value;
The terminal is preset with a corresponding relation between the type of the wireless abnormal condition and the abnormal degree of the wireless abnormal condition; the degree of abnormality of the wireless abnormality is determined based on the type of the wireless abnormality; the type of wireless anomaly includes at least one of: the preset operation of the terminal is refused, the preset operation of the terminal is not responded, the wireless link fails, and the wireless connection is abnormal.
10. The apparatus of claim 9, wherein the camping reference value module is configured to determine an initial camping reference value for a target cell based on a signal quality of the target cell; and determining the residence reference value of the target cell according to the initial residence reference value of the target cell and the wireless abnormal condition of the target cell.
11. The apparatus of claim 10, wherein the initial camping reference value of the current serving cell of the terminal is the initial camping reference value of the serving cell,
The residence reference value module is configured to determine residence difference information according to the difference between the signal quality of the serving cell and the signal quality of the neighbor cell; and determining the initial camping reference value of the neighbor cell according to the initial camping reference value of the serving cell and the camping difference information.
12. The apparatus according to claim 11, wherein the camping reference value module is configured to divide an initial camping reference value of the serving cell according to the camping difference information as the initial camping reference value of the neighboring cell when the signal quality of the neighboring cell is higher than the signal quality of the serving cell; and/or
And when the signal quality of the neighbor cell is lower than that of the service cell, the initial residence reference value of the service cell is reduced according to the residence difference information to serve as the initial residence reference value of the neighbor cell.
13. The apparatus of claim 11, wherein the stay reference module is configured to determine a corresponding fractional point according to a radio anomaly of a target cell; and subtracting the withhold score from the initial camping reference value of the target cell to determine a camping reference value of the target cell.
14. A terminal, comprising:
A processor;
A memory for storing processor-executable instructions;
Wherein the processor is configured to implement the method of any of claims 1-8 by executing the executable instructions.
15. A computer readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the steps of the method according to any of claims 1-8.
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