CN112261670B - Method and device for determining frequency deviation - Google Patents
Method and device for determining frequency deviation Download PDFInfo
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- CN112261670B CN112261670B CN202011105731.4A CN202011105731A CN112261670B CN 112261670 B CN112261670 B CN 112261670B CN 202011105731 A CN202011105731 A CN 202011105731A CN 112261670 B CN112261670 B CN 112261670B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the application provides a method and a device for determining frequency deviation, wherein the method comprises the steps of detecting a first frequency deviation of a service cell where each user identity identification card is located in at least one user identity identification card of a terminal; determining a second frequency deviation of a timing clock in the terminal at the current ambient temperature based on the current ambient temperature; and determining the target frequency deviation adopted when the neighbor cell service is processed according to the first frequency deviation and the second frequency deviation, and compared with the prior art that the first frequency deviation of the current serving cell of the user identity identification card is directly used as the frequency deviation for processing the neighbor cell service, the accuracy of the frequency deviation adopted when the terminal processes the neighbor cell service is improved, and the neighbor cell service is prevented from being processed by adopting a service processing algorithm with higher tolerance and complexity, so that the complexity of the neighbor cell service processing is reduced.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for determining a frequency offset.
Background
In the current real network environment, there are multiple network vendors, and each network vendor's base station has its own network mode. Different network manufacturers adopt different network modes to maintain the base station. However, there is often a large frequency deviation of the frequency of the timing clock of some base stations from the frequency of the timing clocks of other base stations that are normally maintained, which may be due to long periods of operation and long periods of non-maintenance.
When the terminal resides in the service cell covered by the base stations which are not normally maintained, the terminal follows the frequency of the service cell and directly takes the frequency deviation of the current service cell as the frequency deviation for processing the adjacent cell service of the current service cell to process the adjacent cell service of the current service cell; such as neighbor detection, background network searching, etc. However, since there may actually be a large frequency deviation difference between the frequency deviation of the current serving cell and the frequency deviation of the neighboring cell of the current serving cell, such a difference may affect the terminal to process the neighboring cell service. Therefore, in order to avoid the influence on the processing of the neighboring cell service, a service processing algorithm with high tolerance and complexity needs to be adopted. However, the service processing algorithm with higher tolerance and complexity may result in higher complexity of neighboring cell service processing.
Therefore, how to increase the frequency offset adopted when the terminal processes the neighboring cell service, thereby reducing the complexity of the neighboring cell service processing, is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The embodiment of the invention provides a method and a device for determining frequency deviation, which improve the frequency deviation adopted by a terminal when the terminal processes the adjacent cell service, thereby reducing the complexity of adjacent cell service processing.
In a first aspect, an embodiment of the present application provides a method for determining a frequency deviation, where the method for determining a frequency deviation may include:
the method comprises the steps of detecting a first frequency deviation of a service cell where each user identity identification card is located currently in at least one user identity identification card of a terminal.
Determining a second frequency offset of a timing clock in the terminal at a current ambient temperature based on the current ambient temperature.
And determining a target frequency deviation corresponding to the user identity identification card according to the first frequency deviation and the second frequency deviation.
And processing the neighbor cell service of the service cell where the user identity identification card is currently located based on the target frequency deviation.
In a possible implementation manner, the determining a target frequency deviation corresponding to the user identification card according to the first frequency deviation and the second frequency deviation includes:
detecting the current motion state of the terminal; wherein the motion state comprises a motion state or a rest state.
And determining a third frequency deviation of the service cell where the user identity identification card is currently located according to the detection result and the first frequency deviation.
And determining a target frequency deviation corresponding to the user identity identification card according to the third frequency deviation and the second frequency deviation.
In a possible implementation manner, the determining, according to the detection result and the first frequency deviation, a third frequency deviation of a serving cell in which the subscriber identity module card is currently located includes:
and if the detection result indicates that the terminal is in a motion state at present, excluding the frequency deviation generated by the motion of the terminal from the first frequency deviation to obtain the third frequency deviation.
And if the detection result indicates that the terminal is in a static state at present, determining the first frequency deviation as the third frequency deviation.
In a possible implementation manner, the determining a target frequency deviation corresponding to the subscriber identity module card according to the third frequency deviation and the second frequency deviation includes:
calculating an absolute value of a difference between the third frequency deviation and the second frequency deviation; and determining the target frequency deviation corresponding to the user identity identification card according to the absolute value of the difference.
In a possible implementation manner, the determining, according to the absolute value of the difference, a target frequency deviation corresponding to the subscriber identity module card includes:
and if the absolute value of the difference is larger than or equal to a preset threshold value, determining a target frequency deviation corresponding to the user identity identification card according to the second frequency deviation.
And if the absolute value of the difference is smaller than a preset threshold value, determining the first frequency deviation as a target frequency deviation corresponding to the user identity identification card.
In a possible implementation manner, the determining a target frequency deviation corresponding to the user identification card according to the second frequency deviation includes:
and if the detection result indicates that the terminal is in a motion state at present, compensating the frequency deviation generated by the motion of the terminal on the second frequency deviation to obtain a target frequency deviation corresponding to the user identity identification card.
And if the detection result indicates that the terminal is in a static state at present, determining the second frequency deviation as a target frequency deviation corresponding to the user identity identification card.
In a possible implementation manner, when the number of the user identification cards is at least two, the determining, according to the absolute value of the difference, the target frequency deviation corresponding to the user identification card includes:
determining a minimum difference absolute value among the at least two difference absolute values; and determining the target frequency deviation corresponding to each user identity identification card according to the minimum difference absolute value.
In a possible implementation manner, the determining, according to the minimum difference absolute value, a target frequency deviation corresponding to each subscriber identity card includes:
and if the absolute value of the minimum difference is greater than or equal to a preset threshold value, determining the target frequency deviation corresponding to each user identity identification card according to the second frequency deviation.
And if the minimum difference absolute value is smaller than a preset threshold value, determining a first frequency deviation of a service cell where the user identity identification card corresponding to the minimum difference absolute value is currently located as a target frequency deviation corresponding to each user identity identification card.
In a possible implementation manner, the determining a target frequency deviation corresponding to each subscriber identity card according to the second frequency deviation includes:
and if the detection result indicates that the terminal is in a motion state at present, compensating the frequency deviation generated by the motion of the terminal on the second frequency deviation to obtain the target frequency deviation corresponding to each user identity identification card.
And if the detection result indicates that the terminal is in a static state at present, determining the second frequency deviation as the target frequency deviation corresponding to each user identity identification card.
In a second aspect, an embodiment of the present application further provides a device for determining a frequency deviation, where the device for determining a frequency deviation may include:
the detecting unit is used for detecting a first frequency deviation of a service cell where each user identity identification card is located currently in at least one user identity identification card of the terminal.
The processing unit is used for determining a second frequency deviation of a timing clock in the terminal at the current environment temperature based on the current environment temperature; and determining a target frequency deviation corresponding to the user identification card according to the first frequency deviation and the second frequency deviation.
The processing unit is further configured to process a neighboring cell service of a serving cell in which the subscriber identity module card is currently located based on the target frequency deviation.
In a possible implementation manner, the processing unit is specifically configured to detect a current motion state of the terminal; wherein the motion state comprises a motion state or a static state; determining a third frequency deviation of a service cell where the user identity identification card is located currently according to the detection result and the first frequency deviation; and determining a target frequency deviation corresponding to the user identity identification card according to the third frequency deviation and the second frequency deviation.
In a possible implementation manner, the processing unit is specifically configured to, if the detection result indicates that the terminal is currently in a motion state, exclude a frequency deviation generated due to motion of the terminal from the first frequency deviation, and obtain the third frequency deviation; and if the detection result indicates that the terminal is in a static state at present, determining the first frequency deviation as the third frequency deviation.
In a possible implementation manner, the processing unit is specifically configured to calculate an absolute value of a difference between the third frequency deviation and the second frequency deviation; and determining the target frequency deviation corresponding to the user identity identification card according to the absolute value of the difference.
In a possible implementation manner, the processing unit is specifically configured to determine, if the absolute value of the difference is greater than or equal to a preset threshold, a target frequency deviation corresponding to the user identity card according to the second frequency deviation; and if the absolute value of the difference is smaller than a preset threshold value, determining the first frequency deviation as a target frequency deviation corresponding to the user identity identification card.
In a possible implementation manner, the processing unit is specifically configured to, if the detection result indicates that the terminal is currently in a motion state, compensate, on the second frequency deviation, a frequency deviation generated due to motion of the terminal, and obtain a target frequency deviation corresponding to the user identity card; and if the detection result indicates that the terminal is in a static state at present, determining the second frequency deviation as a target frequency deviation corresponding to the user identity identification card.
In a possible implementation manner, when the number of the user identification cards is at least two, the processing unit is specifically configured to determine a minimum absolute difference value among the at least two absolute difference values; and determining the target frequency deviation corresponding to each user identification card according to the minimum difference absolute value.
In a possible implementation manner, the processing unit is specifically configured to determine, if the minimum difference absolute value is greater than or equal to a preset threshold, a target frequency deviation corresponding to each subscriber identity module card according to the second frequency deviation; and if the minimum difference absolute value is smaller than a preset threshold value, determining the first frequency deviation of the service cell where the user identity identification card corresponding to the minimum difference absolute value is currently located as the target frequency deviation corresponding to each user identity identification card.
In a possible implementation manner, the processing unit is specifically configured to, if the detection result indicates that the terminal is currently in a motion state, compensate, on the second frequency deviation, a frequency deviation generated due to motion of the terminal, and obtain a target frequency deviation corresponding to each subscriber identity card; and if the detection result indicates that the terminal is in a static state at present, determining the second frequency deviation as the target frequency deviation corresponding to each user identification card.
In a third aspect, an embodiment of the present application further provides an apparatus for determining a frequency deviation, where the apparatus includes a processor and a memory, where the memory stores a computer program, and the processor executes the computer program stored in the memory, so as to enable the apparatus to perform the method for determining a frequency deviation as described in any one of the possible implementations of the first aspect.
In a fourth aspect, the present application further provides a readable storage medium, which stores instructions that, when executed, enable the method for determining a frequency offset to be implemented as described in any one of the possible implementations of the first aspect.
Therefore, according to the method and the device for determining the frequency deviation, when the neighbor cell service of the serving cell where the user identity card is currently located is processed, the second frequency deviation of the timing clock in the terminal at the current ambient temperature is determined based on the current ambient temperature, and the target frequency deviation adopted when the neighbor cell service is processed is determined according to the first frequency deviation of the serving cell where the user identity card is currently located and the second frequency deviation of the timing clock at the current ambient temperature.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic view of an application scenario provided in an embodiment of the present application;
fig. 2 is a schematic flowchart of a method for determining a frequency offset according to an embodiment of the present disclosure;
fig. 3 is a schematic flowchart of another method for determining a frequency offset according to an embodiment of the present disclosure;
fig. 4 is a schematic flowchart of another method for determining a frequency offset according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an apparatus for determining a frequency deviation according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of another apparatus for determining a frequency deviation according to an embodiment of the present application.
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. The drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the disclosed concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
In the embodiments of the present invention, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated object, indicating that there may be three relationships, for example, a and/or B, which may indicate: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. In the description of the present invention, the character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The method for determining the frequency deviation provided by the embodiment of the application can be applied to a scene that the terminal processes the neighbor cell service of the current serving cell. In the prior art, when a terminal processes a neighboring cell service of a serving cell, such as a neighboring cell detection service, a background network search service, and other services, a frequency deviation of a current serving cell is directly used as a frequency deviation for processing the neighboring cell service, so as to process the neighboring cell service of the current serving cell. However, since there may actually be a large frequency deviation difference between the frequency deviation of the current serving cell and the frequency deviation of the neighboring cell of the current serving cell, such a difference may affect the terminal to process the neighboring cell service. Therefore, in order to avoid the influence of the difference on the terminal processing the neighboring cell service, a service processing algorithm with high tolerance and complexity needs to be adopted. However, the service processing algorithm with higher tolerance and complexity may result in higher complexity of neighboring service processing.
The frequency deviation is understood to be the difference between the actual frequency and the nominal frequency.
For example, please refer to fig. 1, where fig. 1 is a schematic view of an application scenario provided in an embodiment of the present application, in the application scenario, a terminal and at least two base stations may be included, and the two base stations are a base station 1 and a base station 2, respectively. The serving cell where the terminal is currently located is a cell covered by the base station 1, and the neighboring cell of the serving cell is a cell covered by the base station 2. If the base station 1 is not maintained for a long time and the base station 2 is maintained on time, a large frequency deviation exists between the frequency of the timing clock of the base station 1 and the frequency of the timing clock of the base station 2. In this case, when the terminal processes the neighboring cell service in the serving cell, the frequency deviation of the serving cell is still directly used as the frequency deviation of the terminal for processing the neighboring cell service, so as to process the neighboring cell service of the current serving cell. However, it is obvious that there is a difference between the frequency deviation of the current serving cell and the frequency deviation of the neighboring cell of the current serving cell, and this difference affects the terminal to process the neighboring cell service. Therefore, in order to avoid the influence on the processing of the neighboring cell service, a service processing algorithm with high tolerance and complexity needs to be adopted. However, the service processing algorithm with higher tolerance and complexity may result in higher complexity of neighboring service processing.
Therefore, when the terminal processes the neighbor cell service, how to improve the accuracy of the frequency deviation adopted when the terminal processes the neighbor cell service is crucial, and the neighbor cell service is processed based on the frequency deviation with higher accuracy, so that the service processing algorithm with higher tolerance and complexity is avoided from being adopted to process the neighbor cell service, and the complexity of the neighbor cell service processing is reduced.
In order to obtain the frequency deviation with higher accuracy, one of the important factors influencing the frequency is the environment temperature of the current environment of the terminal, so that the frequency deviation adopted when the terminal processes the adjacent cell service can be determined by combining the environment temperature, and the accuracy of the frequency deviation adopted when the terminal processes the adjacent cell service is improved. Generally, the radius of a general cell is mostly between 1 km and 2 km, only a few macro base stations can reach 10 km or dozens of km, and even in a macro base station with dozens of km, the environmental temperature in the range is basically consistent.
Based on the above technical concept, an embodiment of the present application provides a method for determining a frequency deviation, as shown in fig. 2, fig. 2 is a schematic flow chart of the method for determining a frequency deviation provided in the embodiment of the present application, and the method for determining a frequency deviation may include:
s201, detecting a first frequency deviation of a service cell in which each user identity identification card is currently located in at least one user identity identification card of a terminal; s202, determining a second frequency deviation of a timing clock in the terminal at the current ambient temperature based on the current ambient temperature; s203, determining a target frequency deviation corresponding to the user identity identification card according to the first frequency deviation and the second frequency deviation; and S204, processing the neighbor cell service of the service cell where the user identity identification card is currently located based on the target frequency deviation.
The number of the at least one user identification card may be one or multiple, and may be specifically set according to actual needs, where the number of the user identification cards is not specifically limited in the embodiments of the present application. When a terminal includes multiple user identification cards, the multiple user identification cards may belong to different operators, and therefore, the serving cells where the multiple user identification cards are currently located may not be the same serving cell; based on different service cells, the first frequency deviation of the corresponding detected user identification cards in the current service cell is different. For example, the terminal includes two user identification cards, where the user identification card 1 belongs to a first operator, the user identification card 2 belongs to a second operator, and the serving cell 1 where the user identification card 1 is currently located and the serving cell 2 where the user identification card 2 is currently located are not the same serving cell, so that the detected first frequency deviation of the serving cell 1 where the user identification card 1 is currently located is different from the detected first frequency deviation of the serving cell 2 where the user identification card 2 is currently located.
For example, the neighboring cell service may be a neighboring cell detection service, or may also be a background search service, and of course, other neighboring cell services may also be used, and here, the embodiment of the present application is described only by taking the neighboring cell service as the neighboring cell detection service, or the background search service as an example, but the embodiment of the present application is not limited thereto.
It should be noted that, in the embodiment of the present application, when the target frequency offset is determined according to the first frequency offset and the second frequency offset of the timing clock in the terminal at the current ambient temperature, since the terminal itself may generate a certain temperature when being in the running state, in order to avoid the influence on the determination of the target frequency offset due to the temperature generated when the terminal is in the running state, in the embodiment of the present application, the second frequency offset of the timing clock at the current ambient temperature when the terminal is in the idle state may be understood as the second frequency offset of the timing clock at the current ambient temperature, and the second frequency offset of the timing clock at the current ambient temperature when the terminal is not in the running state.
It can be seen that, in the embodiment of the present application, when processing the neighboring cell service of the serving cell where the user identity card is currently located, the second frequency deviation of the timing clock in the terminal at the current ambient temperature is determined based on the current ambient temperature, and the target frequency deviation adopted when processing the neighboring cell service is determined according to the first frequency deviation of the serving cell where the user identity card is currently located and the second frequency deviation of the timing clock at the current ambient temperature, and compared with the prior art in which the first frequency deviation of the serving cell where the user identity card is currently located is directly used as the frequency deviation for processing the neighboring cell service, the accuracy of the frequency deviation adopted when the terminal processes the neighboring cell service is improved, and the neighboring cell service is prevented from being processed by using a service processing algorithm with higher tolerance and complexity, thereby reducing the complexity of processing the neighboring cell service.
Among them, 1) a terminal, also called User Equipment (UE), a Mobile Station (MS), a Mobile Terminal (MT), etc., is a device providing voice/data connectivity to a user, for example, a handheld device or a vehicle-mounted device with a wireless connection function. Currently, some examples of terminals are: a mobile phone (mobile phone), a tablet computer, a notebook computer, a palm top computer, a Mobile Internet Device (MID), a wearable device, a Virtual Reality (VR) device, an Augmented Reality (AR) device, a wireless terminal in industrial control (industrial control), a wireless terminal in self driving (self driving), a wireless terminal in remote surgery (remote medical supply), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (smart security), a wireless terminal in city (smart city), a wireless terminal in smart home (smart home), and the like.
The method for determining a frequency offset according to the embodiment of the present application will be described in detail below with the number of the user identification cards included in the terminal being 1 and the number of the user identification cards included in the terminal being plural. It is understood that, in the embodiments of the present application, the following specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Example one
In one scenario, when the number of the user identity cards included in the terminal is 1, the frequency offset adopted when the terminal processes the service of the neighboring cell may be determined according to a first frequency offset of a serving cell where the user identity card is currently located and a second frequency offset of a timing clock in the terminal at the current ambient temperature. For example, please refer to fig. 3, where fig. 3 is a schematic flowchart of another method for determining a frequency deviation according to an embodiment of the present application, where the method for determining a frequency deviation may be executed by a software and/or a hardware device, and the hardware device may be a terminal. The method for determining the frequency deviation may include:
s301, detecting a first frequency deviation of a service cell where a user identity identification card of a terminal is located currently.
And S302, detecting the current motion state of the terminal.
Wherein the motion state comprises a motion state or a static state.
Since a frequency deviation may be generated due to the movement of the terminal when the terminal is in a moving state, and the frequency deviation may be included in the first frequency deviation of the serving cell detected in S301, in this case, the first frequency deviation of the serving cell detected in S301 is not the actual frequency deviation of the serving cell, it is necessary to exclude the frequency deviation generated due to the movement of the terminal from the first frequency deviation of the serving cell detected in S301, and the obtained frequency deviation is the actual frequency deviation of the serving cell; when the terminal is in the stationary state, the first frequency deviation of the serving cell detected in S301 is the actual frequency deviation of the serving cell.
Therefore, in order to accurately obtain the actual frequency deviation of the serving cell, after detecting the first frequency deviation of the serving cell, it is required to detect the current motion state of the terminal, and determine the actual frequency deviation of the serving cell where the subscriber identity module card is currently located according to the detection result and the first frequency deviation, that is, the following S303 is executed:
and S303, determining a third frequency deviation of the service cell where the user identity identification card is located according to the detection result and the first frequency deviation.
The third frequency deviation may be understood as an actual frequency deviation of a serving cell where the subscriber identity module card is currently located. In other words, the third frequency deviation does not include the frequency deviation caused by the movement of the terminal, i.e., does not include the frequency deviation caused by the doppler effect.
For example, when determining the third frequency deviation of the serving cell where the subscriber identity module card is currently located according to the detection result and the first frequency deviation, if the detection result indicates that the terminal is currently in a motion state, it indicates that the first frequency deviation of the serving cell detected in S301 includes the frequency deviation generated due to the motion of the terminal, and in order to accurately obtain the actual frequency deviation of the serving cell, therefore, the frequency deviation generated due to the motion of the terminal needs to be excluded from the first frequency deviation detected in S301 to obtain the actual frequency deviation of the serving cell, that is, the third frequency deviation; conversely, if the detection result indicates that the terminal is currently in a stationary state, it is indicated that the first frequency deviation detected in S301 as the serving cell does not include the frequency deviation caused by the movement of the terminal, and the first frequency deviation detected in S301 is the actual frequency deviation of the serving cell, and the first frequency deviation is determined as the third frequency deviation.
And S304, determining a second frequency deviation of the timing clock in the terminal at the current environment temperature based on the current environment temperature.
For example, when determining the second frequency deviation of the timing clock in the terminal at the current ambient temperature based on the current ambient temperature, the temperature compensation circuit in the terminal may query a mapping relationship between the frequency deviation of the timing clock and the ambient temperature, so as to determine the second frequency deviation of the timing clock in the terminal at the current ambient temperature.
It should be noted that, in the embodiment of the present application, there is no sequence between S301 to S303 and S304, and S301 to S303 may be executed first, and then S304 is executed; or executing S304 first and then executing S301-S303; of course, S301 to S303 and S304 may also be executed simultaneously, and here, the embodiment of the present application is only described by way of example of executing S301 to S303 first and then executing S304, but the embodiment of the present application is not limited thereto.
After the actual frequency deviation of the serving cell and the second frequency deviation of the timing clock in the terminal at the current environmental temperature are respectively determined, the target frequency deviation of the terminal for processing the neighboring cell service can be determined according to the actual frequency deviation of the serving cell and the second frequency deviation of the timing clock in the terminal at the current environmental temperature, that is, the following S305 is executed:
and S305, calculating the absolute value of the difference between the third frequency deviation and the second frequency deviation.
After calculating the absolute value of the difference between the third frequency deviation and the second frequency deviation, the target frequency deviation corresponding to the user identification card may be determined according to the calculated absolute value of the difference, that is, the following steps S306 to S308 are performed:
and S306, judging whether the absolute value of the difference value is larger than a preset threshold value.
And S307, if the absolute value of the difference is larger than or equal to a preset threshold value, determining a target frequency deviation corresponding to the user identity identification card according to the second frequency deviation.
The preset threshold value may be set according to actual needs, and the value of the preset threshold value is not further limited in the embodiments of the present application.
If the absolute value of the difference is greater than or equal to the preset threshold value, which indicates that the frequency of the base station to which the terminal belongs is abnormal, the target frequency deviation corresponding to the user identity identification card needs to be further determined according to the second frequency deviation. For example, when the target frequency deviation corresponding to the user identification card is determined according to the second frequency deviation, if the detection result indicates that the terminal is currently in a motion state, the frequency deviation generated due to the motion of the terminal is compensated on the second frequency deviation, so as to obtain the target frequency deviation corresponding to the user identification card; and if the detection result indicates that the terminal is in a static state at present, determining the second frequency deviation as the target frequency deviation corresponding to the user identity identification card.
And S308, if the absolute value of the difference is smaller than a preset threshold value, determining the first frequency deviation as a target frequency deviation corresponding to the user identity identification card.
If the absolute value of the difference is smaller than the preset threshold value, it indicates that the frequency of the base station to which the terminal belongs is normal, and therefore, the first frequency deviation can be directly determined as the target frequency deviation corresponding to the user identity identification card.
After determining the target frequency deviation corresponding to the user identity card, the terminal may process the neighboring cell service based on the target frequency deviation, that is, execute the following S307:
s309, processing the neighbor cell service of the service cell where the user identity identification card is currently located based on the target frequency deviation.
Therefore, in the embodiment of the application, when the neighbor cell service of the serving cell where the user identity identification card is currently located is processed, the second frequency deviation of the timing clock in the terminal at the current ambient temperature is determined based on the current ambient temperature, the absolute value of the difference between the actual frequency deviation of the serving cell where the user identity identification card is currently located and the second frequency deviation of the timing clock at the current ambient temperature is calculated, the target frequency deviation adopted when the neighbor cell service is processed is determined according to the absolute value of the difference, and compared with the prior art that the first frequency deviation of the serving cell where the user identity identification card is currently located is directly used as the frequency deviation for processing the neighbor cell service, the accuracy of the frequency deviation adopted when the terminal processes the neighbor cell service is improved, the neighbor cell service is prevented from being processed by a service processing algorithm with higher tolerance and complexity, and the complexity of neighbor cell service processing is reduced.
Example two
In one scenario, when the number of the user identification cards included in the terminal is multiple, the frequency offset adopted when the terminal processes the service in the neighboring cell may be determined according to a first frequency offset of a serving cell where each user identification card is currently located in the multiple user identification cards and a second frequency offset of a timing clock in the terminal at the current environment temperature. For example, please refer to fig. 4, fig. 4 is a flowchart illustrating a method for determining a frequency deviation according to an embodiment of the present application, where the method for determining a frequency deviation may also be executed by software and/or a hardware device, and the hardware device may be a terminal. The method for determining the frequency deviation may include:
s401, first frequency deviation of a service cell where each user identification card is located in a plurality of user identification cards of the terminal is detected respectively.
When the terminal includes a plurality of user identification cards, the serving cells in which the plurality of user identification cards are currently located may not be the same serving cell because the plurality of user identification cards may belong to different operators; based on different service cells, the first frequency deviation of the corresponding detected user identification cards in the current service cell is different.
After detection, for each subscriber identity card, a first frequency deviation of a serving cell where the subscriber identity card is currently located can be obtained, so that a plurality of first frequency deviations are obtained.
S402, detecting the current motion state of the terminal.
Wherein the motion state comprises a motion state or a static state.
Because when the terminal is in a moving state, a frequency deviation may be generated due to the movement of the terminal, and the frequency deviation may be included in the first frequency deviation of the serving cell detected in S401, in this case, the first frequency deviation of the serving cell where each subscriber identity card detected in S401 is currently located is not the actual frequency deviation of the serving cell where the subscriber identity card is currently located, the frequency deviation generated due to the movement of the terminal needs to be excluded from the first frequency deviation of the serving cell detected in S401, and the obtained frequency deviation is the actual frequency deviation of the serving cell; when the terminal is in the stationary state, the first frequency deviation of the serving cell detected in S401 is the actual frequency deviation of the serving cell.
Therefore, in order to accurately obtain the actual frequency deviation of the serving cell in which each user identification card is currently located, after detecting the first frequency deviation of the serving cell, it is necessary to detect the current motion state of the terminal, and determine the actual frequency deviation of the serving cell in which the user identification card is currently located according to the detection result and the first frequency deviation, that is, the following S403 is executed:
and S403, respectively determining a third frequency deviation of the service cell in which each user identity identification card is currently located according to the detection result and the first frequency deviation of the service cell in which each user identity identification card is currently located.
The third frequency deviation can also be understood as the actual frequency deviation of the serving cell where the subscriber identity module card is currently located.
For example, when determining the third frequency deviation of the serving cell in which each user identity identification card is currently located according to the detection result and the first frequency deviation of the serving cell in which each user identity identification card is currently located, taking the determination of the third frequency deviation of the serving cell in which a certain user identity identification card is currently located as an example, if the detection result indicates that the terminal is currently in a motion state, it indicates that the frequency deviation generated due to the motion of the terminal is included in the first frequency deviation of the serving cell detected in S401, and in order to accurately obtain the actual frequency deviation of the serving cell, therefore, the frequency deviation generated due to the motion of the terminal needs to be excluded from the first frequency deviation detected in S401, so as to obtain the actual frequency deviation of the serving cell, that is, the third frequency deviation; on the contrary, if the detection result indicates that the terminal is currently in a stationary state, it is indicated that the first frequency deviation detected in S401 in the serving cell does not include the frequency deviation generated due to the movement of the terminal, and the first frequency deviation detected in S401 is the actual frequency deviation of the serving cell, and the first frequency deviation is determined as the third frequency deviation.
And S404, determining a second frequency deviation of the timing clock in the terminal at the current environment temperature based on the current environment temperature.
For example, when determining the second frequency deviation of the timing clock in the terminal at the current ambient temperature based on the current ambient temperature, the temperature compensation circuit in the terminal may query a mapping relationship between the frequency deviation of the timing clock and the ambient temperature, so as to determine the second frequency deviation of the timing clock in the terminal at the current ambient temperature.
It can be understood that, in the embodiment of the present application, although the number of the user identification cards included in the terminal is multiple, and the obtained third frequency deviation of the serving cell where the user identification card is currently located is also multiple, because the multiple user identification cards are user identification cards in the same terminal, for the multiple user identification cards, based on the current ambient temperature, only one second frequency deviation of the timing clock in the terminal at the current ambient temperature is determined.
It should be noted that, in the embodiment of the present application, there is no sequence between S401 to S403 and S404, and S401 to S403 may be executed first, and then S404 may be executed; or executing S404 first and then executing S401-S403; of course, S401 to S403 and S404 may also be executed simultaneously, and here, the embodiment of the present application is only described by taking the example of executing S401 to S403 first and then executing S404, but the embodiment of the present application is not limited thereto.
After the actual frequency deviation of the serving cell in which each subscriber identity card is currently located and the second frequency deviation of the timing clock in the terminal at the current ambient temperature are respectively determined, the target frequency deviation of the terminal for processing the neighboring cell service of the serving cell in which the subscriber identity card is currently located may be determined according to the actual frequency deviation of the serving cell in which each subscriber identity card is currently located and the second frequency deviation, that is, the following S405 is executed:
and S405, respectively calculating absolute values of differences between the third frequency deviations and the second frequency deviations.
After a plurality of third frequency deviations of the service cell are obtained according to the detection result and the first frequency deviation of the service cell in which each user identity identification card is currently located, the difference absolute value between the third frequency deviation and the second frequency deviation is calculated for each third frequency deviation of the service cell, and a plurality of difference absolute values are obtained.
When determining the target frequency deviation corresponding to each user identification card in the plurality of user identification cards according to the plurality of absolute difference values, at least two possible implementation manners may be included.
In a possible implementation manner, the difference absolute value is respectively judged to be greater than or equal to a preset threshold value aiming at each difference absolute value, if the difference absolute value is greater than or equal to the preset threshold value and the detection result indicates that the terminal is currently in a motion state, the frequency deviation generated due to the motion of the terminal is compensated on the second frequency deviation, and the target frequency deviation corresponding to the user identity identification card is obtained; and if the absolute value of the difference is greater than or equal to a preset threshold value and the detection result indicates that the terminal is in a static state currently, determining the second frequency deviation as a target frequency deviation corresponding to the user identity identification card. Conversely, if the absolute value of the difference is smaller than the preset threshold, the first frequency deviation is determined as the target frequency deviation corresponding to the user identity card, and a specific implementation method of the target frequency deviation corresponding to each user identity card is similar to the implementation method of determining the target frequency deviation by using S305 to S308 when the terminal only includes one user identity card in the embodiment shown in fig. 2, which may specifically refer to the related description of determining the target frequency deviation in S305 to S308, and this embodiment is not described again.
In another possible implementation manner, different from the foregoing possible implementation manner, instead of determining whether each difference absolute value is greater than or equal to a preset threshold, a minimum difference absolute value is found from a plurality of difference absolute values, and only whether the minimum difference absolute value is greater than or equal to the preset threshold is determined, so as to determine a target frequency deviation corresponding to each subscriber identity card according to a determination result, where the specific process is as follows in S406 to S409:
and S406, determining a minimum difference absolute value in the plurality of difference absolute values.
S407, judging whether the absolute value of the minimum difference is larger than a preset threshold value.
And S408, if the absolute value of the minimum difference is greater than or equal to a preset threshold value, determining a target frequency deviation corresponding to each user identity identification card according to the second frequency deviation.
If the absolute value of the minimum difference is greater than or equal to the preset threshold value, which indicates that the frequency of the base station to which the terminal belongs is abnormal, the target frequency deviation corresponding to each user identity identification card needs to be further determined according to the second frequency deviation. For example, when the target frequency deviation corresponding to each user identification card is determined according to the second frequency deviation, if the detection result indicates that the terminal is currently in a motion state, the frequency deviation generated due to the motion of the terminal is compensated on the second frequency deviation to obtain a target frequency deviation, where the target frequency deviation is the target frequency deviation corresponding to each user identification card in the plurality of user identification cards; and if the detection result indicates that the terminal is in a static state at present, directly determining the second frequency deviation as a target frequency deviation corresponding to each user identification card in the plurality of user identification cards.
And S409, if the absolute value of the difference is smaller than a preset threshold value, determining the first frequency deviation of the service cell where the user identity identification card corresponding to the minimum absolute value of the difference is located as the target frequency deviation corresponding to each user identity identification card.
If the absolute value of the difference is smaller than the preset threshold value, it indicates that the frequency of the base station to which the terminal belongs is normal, and therefore, the first frequency deviation of the serving cell where the subscriber identity identification card corresponding to the minimum absolute value of the difference is currently located can be directly determined as the target frequency deviation corresponding to each subscriber identity identification card in the plurality of subscriber identity identification cards.
After the target frequency deviations corresponding to the user identification cards are respectively determined, the terminal may process the neighboring cell services of the serving cell where the user identification cards are currently located based on the target frequency deviations corresponding to the user identification cards, that is, execute the following S410:
and S410, processing the adjacent cell service of the service cell in which each user identity identification card is currently positioned based on the target frequency deviation corresponding to each user identity identification card.
Therefore, in the embodiment of the application, when the neighbor cell service of the serving cell in which each subscriber identity identification card is currently located is processed, the second frequency deviation of the timing clock in the terminal at the current ambient temperature is determined based on the current ambient temperature, the absolute value of the difference between the actual frequency deviation of the serving cell in which each subscriber identity identification card is currently located and the second frequency deviation of the timing clock at the current ambient temperature is calculated, the target frequency deviation adopted when the neighbor cell service is processed is determined according to the minimum absolute value of the difference values, and compared with the prior art in which the first frequency deviation of the serving cell in which the subscriber identity identification card is currently located is directly used as the frequency deviation for processing the neighbor cell service, the accuracy of the frequency deviation adopted when the terminal processes the neighbor cell service is improved, the service processing of the neighbor cell service by adopting a service processing algorithm with higher tolerance and complexity is avoided, and the complexity of the neighbor cell service processing is reduced.
Fig. 5 is a schematic structural diagram of a device 50 for determining a frequency deviation according to an embodiment of the present application, for example, please refer to fig. 5, where the device 50 for determining a frequency deviation may include:
the detecting unit 501 is configured to detect a first frequency deviation of a serving cell in which each user identity card is currently located, in at least one user identity card of the terminal.
A processing unit 502, configured to determine, based on the current ambient temperature, a second frequency deviation of the timing clock in the terminal at the current ambient temperature; and determining a target frequency deviation corresponding to the user identification card according to the first frequency deviation and the second frequency deviation.
The processing unit 502 is further configured to process a neighboring cell service of a serving cell in which the subscriber identity module card is currently located, based on the target frequency deviation.
Optionally, the processing unit 502 is specifically configured to detect a current motion state of the terminal; wherein the motion state comprises a motion state or a static state; determining a third frequency deviation of a service cell where the user identity identification card is currently located according to the detection result and the first frequency deviation; and determining a target frequency deviation corresponding to the user identity identification card according to the third frequency deviation and the second frequency deviation.
Optionally, the processing unit 502 is specifically configured to, if the detection result indicates that the terminal is currently in a motion state, exclude a frequency deviation generated due to the motion of the terminal from the first frequency deviation, and obtain a third frequency deviation; and if the detection result indicates that the terminal is in a static state at present, determining the first frequency deviation as a third frequency deviation.
Optionally, the processing unit 502 is specifically configured to calculate an absolute value of a difference between the third frequency deviation and the second frequency deviation; and determining the target frequency deviation corresponding to the user identity identification card according to the absolute value of the difference.
Optionally, the processing unit 502 is specifically configured to determine, if the absolute value of the difference is greater than or equal to a preset threshold, a target frequency deviation corresponding to the user identity card according to the second frequency deviation; and if the absolute value of the difference value is smaller than a preset threshold value, determining the first frequency deviation as a target frequency deviation corresponding to the user identity identification card.
Optionally, the processing unit 502 is specifically configured to, if the detection result indicates that the terminal is currently in a motion state, compensate, on the second frequency deviation, a frequency deviation generated due to the motion of the terminal, and obtain a target frequency deviation corresponding to the user identity card; and if the detection result indicates that the terminal is in a static state at present, determining the second frequency deviation as the target frequency deviation corresponding to the user identity identification card.
Optionally, when the number of the user identification cards is at least two, the processing unit 502 is specifically configured to determine a minimum absolute difference value among the at least two absolute difference values; and determining the target frequency deviation corresponding to each user identification card according to the minimum difference absolute value.
Optionally, the processing unit 502 is specifically configured to determine, if the minimum difference absolute value is greater than or equal to a preset threshold, a target frequency deviation corresponding to each user identity card according to the second frequency deviation; and if the minimum difference absolute value is smaller than a preset threshold value, determining the first frequency deviation of the service cell where the user identity identification card corresponding to the minimum difference absolute value is currently located as the target frequency deviation corresponding to each user identity identification card.
Optionally, the processing unit 502 is specifically configured to, if the detection result indicates that the terminal is currently in a motion state, compensate, on the second frequency deviation, a frequency deviation generated due to the motion of the terminal, to obtain a target frequency deviation corresponding to each user identity card; and if the detection result indicates that the terminal is in a static state at present, determining the second frequency deviation as the target frequency deviation corresponding to each user identity identification card.
The apparatus 50 for determining a frequency deviation according to the embodiment of the present application may execute the method for determining a frequency deviation according to any of the embodiments, and the implementation principle and the beneficial effect of the method for determining a frequency deviation are similar to those of the method for determining a frequency deviation, and reference may be made to the implementation principle and the beneficial effect of the method for determining a frequency deviation, which are not described herein again.
Fig. 6 is a schematic structural diagram of another frequency deviation determining apparatus 60 provided in the embodiment of the present application, for example, please refer to fig. 6, where the frequency deviation determining apparatus 60 may include a processor 601 and a memory 602, a computer program is stored in the memory 602, and the processor 601 executes the computer program stored in the memory 602 to enable the apparatus to execute the frequency deviation determining method in any of the embodiments described above, and the implementation principle and the beneficial effects of the method are similar to those of the frequency deviation determining method, and are not repeated here.
The embodiment of the present application further provides a readable storage medium, which is used for storing instructions, and when the instructions are executed, the method for determining a frequency deviation, which is shown in any one of the above embodiments, is implemented; or, when the instruction is executed, the method for determining the frequency deviation shown in any of the above embodiments is implemented, and the implementation principle and the beneficial effect of the method for determining the frequency deviation are similar to those of the method for determining the frequency deviation, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the illustrated or discussed coupling or direct coupling or communication connection between each other may be through some interfaces, indirect coupling or communication connection between devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts shown as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated module implemented in the form of a software functional module may be stored in a computer-readable storage medium. The software functional module is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present application.
It should be understood that the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor, or in a combination of the hardware and software modules within the processor.
The memory may comprise a high speed RAM memory, and may further comprise a non-volatile storage NVM, such as at least one magnetic disk memory, and may also be a usb disk, a removable hard disk, a read-only memory, a magnetic or optical disk, or the like.
The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, the buses in the figures of the present application are not limited to only one bus or one type of bus.
The computer-readable storage medium may be implemented by any type or combination of volatile or non-volatile memory devices, 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 or optical disk. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (7)
1. A method for determining a frequency offset, comprising:
detecting a first frequency deviation of a service cell in which each user identity identification card is currently located in at least one user identity identification card of a terminal;
determining a second frequency deviation of a timing clock in the terminal at the current ambient temperature based on the current ambient temperature;
detecting the current motion state of the terminal; wherein the motion state comprises a motion state or a static state;
if the detection result indicates that the terminal is in a motion state at present, excluding the frequency deviation generated by the motion of the terminal from the first frequency deviation to obtain a third frequency deviation;
if the detection result indicates that the terminal is in a static state currently, determining the first frequency deviation as the third frequency deviation;
calculating an absolute value of a difference between the third frequency deviation and the second frequency deviation;
if the absolute value of the difference is larger than or equal to a preset threshold value, determining a target frequency deviation corresponding to the user identity identification card according to the second frequency deviation;
if the absolute value of the difference is smaller than a preset threshold value, determining the first frequency deviation as a target frequency deviation corresponding to the user identity identification card;
processing the neighbor cell service of the service cell where the user identity identification card is currently located based on the target frequency deviation;
the determining a target frequency deviation corresponding to the user identification card according to the second frequency deviation includes:
if the detection result indicates that the terminal is in a motion state at present, compensating the frequency deviation generated by the motion of the terminal on the second frequency deviation to obtain a target frequency deviation corresponding to the user identity identification card;
and if the detection result indicates that the terminal is in a static state at present, determining the second frequency deviation as a target frequency deviation corresponding to the user identity identification card.
2. The method according to claim 1, wherein when the number of the user id cards is at least two, the determining the target frequency deviation corresponding to the user id card according to the absolute value of the difference comprises:
determining a minimum difference absolute value among the at least two difference absolute values;
and determining the target frequency deviation corresponding to each user identity identification card according to the minimum difference absolute value.
3. The method of claim 2, wherein determining the target frequency deviation corresponding to each subscriber identity card according to the minimum absolute difference value comprises:
if the absolute value of the minimum difference is larger than or equal to a preset threshold value, determining a target frequency deviation corresponding to each user identity identification card according to the second frequency deviation;
and if the minimum difference absolute value is smaller than a preset threshold value, determining the first frequency deviation of the service cell where the user identity identification card corresponding to the minimum difference absolute value is currently located as the target frequency deviation corresponding to each user identity identification card.
4. The method of claim 3, wherein determining the target frequency deviation corresponding to each subscriber identity card according to the second frequency deviation comprises:
if the detection result indicates that the terminal is in a motion state at present, compensating the frequency deviation generated by the motion of the terminal on the second frequency deviation to obtain a target frequency deviation corresponding to each user identity identification card;
and if the detection result indicates that the terminal is in a static state at present, determining the second frequency deviation as the target frequency deviation corresponding to each user identity identification card.
5. An apparatus for determining a frequency offset, comprising:
the device comprises a detection unit, a first frequency deviation detection unit and a second frequency deviation detection unit, wherein the detection unit is used for detecting the first frequency deviation of a service cell where each user identity identification card is located in at least one user identity identification card of a terminal;
the processing unit is used for determining a second frequency deviation of a timing clock in the terminal at the current environment temperature based on the current environment temperature; determining a target frequency deviation corresponding to the user identity identification card according to the first frequency deviation and the second frequency deviation;
the processing unit is further configured to process a neighboring cell service of a serving cell in which the subscriber identity module card is currently located based on the target frequency deviation;
the processing unit is specifically configured to:
detecting the current motion state of the terminal; wherein the motion state comprises a motion state or a static state; if the detection result indicates that the terminal is in a motion state at present, excluding the frequency deviation generated by the motion of the terminal from the first frequency deviation to obtain a third frequency deviation; if the detection result indicates that the terminal is in a static state currently, determining the first frequency deviation as the third frequency deviation;
calculating an absolute value of a difference between the third frequency deviation and the second frequency deviation; if the absolute value of the difference is larger than or equal to a preset threshold value, determining a target frequency deviation corresponding to the user identity identification card according to the second frequency deviation; if the absolute value of the difference is smaller than a preset threshold value, determining the first frequency deviation as a target frequency deviation corresponding to the user identity identification card;
the processing module, when determining the target frequency deviation corresponding to the user identification card according to the second frequency deviation, includes:
if the detection result indicates that the terminal is in a motion state at present, compensating the frequency deviation generated by the motion of the terminal on the second frequency deviation to obtain a target frequency deviation corresponding to the user identity identification card; and if the detection result indicates that the terminal is in a static state at present, determining the second frequency deviation as a target frequency deviation corresponding to the user identity identification card.
6. An apparatus for determining a frequency deviation, the apparatus comprising a processor and a memory, the memory having a computer program stored therein, the processor executing the computer program stored in the memory to cause the apparatus to perform the method for determining a frequency deviation according to any one of claims 1-4.
7. A readable storage medium storing instructions which, when executed, cause the method of determining a frequency deviation according to any one of claims 1-4 to be implemented.
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