CN112654076B - 5G network frequency point access method - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
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Abstract
The invention discloses a 5G network frequency point access method, which is applied to the network access of a wireless module and comprises the following steps: searching network signals in a designated area, and acquiring an optimal signal group in a plurality of network signals when the network signals exist; acquiring an optimal frequency point in the optimal signal group, and marking the frequency point to obtain an optimal frequency point; and when any wireless module executes network access in the designated area, establishing connection between the wireless module and the optimal frequency point. When a plurality of signals exist, the optimal signals can be automatically obtained, and when any newly-added wireless module is installed in the same area, the optimal signals can be obtained more quickly, so that the network access efficiency is greatly improved. The invention also discloses a 5G network frequency point access method adopting the method.
Description
Technical Field
The invention relates to the technical field of water meter internet of things, in particular to a water meter internet of things water meter.
Background
Along with the progress of science and technology, more and more life electrical apparatus have added the thing networking function, like the water gauge, and the water gauge that has the thing networking function can improve managers' work efficiency greatly.
The water meter with the function of internet of things is generally internally provided with a wireless module, such as an NB-IoT module, when the water meter is connected to a base station, the wireless module can be connected with the network of the community, and the water meter can be remotely controlled by connecting the water meter to the network.
In practical application, a wireless module of the water meter needs to be manually accessed into a network, a plurality of networks exist in the place where the water meter is installed, only one network can be manually selected for connection, and the network is poor in possible signal, so that the experience of remote control is poor.
Disclosure of Invention
The invention aims to provide a 5G network frequency point access method capable of automatically acquiring better signals.
A5G network frequency point access method is applied to network access of a wireless module, and comprises the following steps:
searching network signals in a designated area, and acquiring an optimal signal group in a plurality of network signals when the network signals exist;
acquiring an optimal frequency point in the optimal signal group, and marking the frequency point to obtain an optimal frequency point;
and when any wireless module executes network access in the designated area, establishing connection between the wireless module and the optimal frequency point.
The invention has the beneficial effects that: when a plurality of signals exist, the optimal signals can be automatically obtained, and when any newly-added wireless module is installed in the same area, the optimal signals can be obtained more quickly, so that the network access efficiency is greatly improved.
In addition, the 5G network frequency point access method provided by the invention can also have the following additional technical characteristics:
further, when there are a plurality of network signals, the step of obtaining an optimal set of signals among the plurality of network signals comprises:
acquiring the signal intensity of the network signal, calculating the variance value of all the signal intensities, and judging whether the variance value is smaller than a first preset value or not;
and if so, adding all the network signals as the optimal signal group.
Further, after the step of determining whether the variance value is smaller than the first preset value, the method further includes:
if not, acquiring the strongest signal values every a first preset time, respectively acquiring the maximum value A1 and the minimum value A2 of the strongest signal values, and establishing a signal strength interval [ A2, A1];
signals lying between the signal strength intervals [ A2, A1] are captured and added as the optimal set of signals.
Further, the step of obtaining the optimal frequency point in the optimal signal group includes:
acquiring the frequency point Bn of the strongest signal in the plurality of network signals once every second preset time;
judging whether the B1 and the B2 … … Bn are the same frequency points;
and if so, selecting B1 as the optimal frequency point.
Further, after the step of determining whether B1 and B2 … … Bn are all the same frequency points, the method further includes:
if not, generating a signal list every second preset time, wherein the signal list is arranged according to signal intensity, acquiring the frequency points of the first five signal intensities in the signal list, and generating a frequency point group;
and if the frequency points contained in each frequency point group are the same, selecting any one of the five frequency points as the optimal frequency point.
Further, the method further comprises:
if the frequency points in the 2 frequency point groups are different, judging that the current regional network signal is unstable;
and acquiring the occurrence frequency of each frequency point in all the frequency point groups, and taking the frequency point with the maximum occurrence frequency as an optimal frequency point.
Further, the step of establishing connection between the wireless module and the optimal frequency point includes:
acquiring the mark, and acquiring the optimal frequency point according to the mark;
and establishing connection with the optimal frequency point through the wireless module.
Further, the method further comprises:
and if the signal intensity value of the optimal frequency point is smaller than a second preset value, judging that no available frequency point exists nearby, and sending out maintenance information.
Another objective of the present invention is to provide a 5G network frequency access system using the above method, which is applied to network access of a wireless module, and includes:
the searching module is used for searching network signals in a designated area and acquiring an optimal signal group in a plurality of network signals when the network signals exist;
the marking module is used for acquiring the optimal frequency point in the optimal signal group, and marking the frequency point to obtain the optimal frequency point;
and the automatic connection module is used for establishing connection between the wireless module and the optimal frequency point when any wireless module executes network access in the designated area.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flowchart of a 5G network frequency access method according to a first embodiment of the present invention;
fig. 2 is a block diagram of a 5G network frequency access system according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, a first embodiment of the present invention provides a method for accessing a frequency point of a 5G network, which is applied to network access of a wireless module, and includes the following steps.
S1, searching network signals in a designated area, and acquiring an optimal signal group in a plurality of network signals when the network signals exist.
It should be noted that the 5G network of the present embodiment is an NB-IOT, and in other embodiments, the 5G network may be any wireless network.
It will be appreciated that in a typical water meter installation area, there will be a plurality of cells in the vicinity, each cell will have a base station or other network signal transmitting device, but due to geographical factors or weather, there will be a strong or weak score for each signal received by the water meter to be installed, and therefore, determining a strong and stable signal source is an important task when the water meter is on the network.
Specifically, when there are a plurality of network signals, the step of obtaining an optimal signal group of the plurality of network signals includes:
s11, acquiring the signal intensity of the network signal, calculating the variance value of all the signal intensities, and judging whether the variance value is smaller than a first preset value or not;
and S12, if yes, adding all the network signals into the optimal signal group.
It will be appreciated that there may be differences in the strength of each signal, such as-90 dBm, -92dBm, -95dBm, -70dBm, -60dBm, with larger values indicating stronger signals.
In order to obtain good signals more accurately, the present embodiment calculates the variance value of each signal intensity, and the smaller the variance value is, the smaller the fluctuation of the signal intensity in the vicinity is, and it is more stable to connect any signal. In this embodiment, the first preset value is 0.3, and in other embodiments, the first preset value may be selected according to actual situations.
It should be noted that, since the signal strength of each signal is relatively close, all signals can be understood as stable signals, and an optimal signal group is included.
Further, the step of determining whether the variance value is smaller than the first preset value further comprises:
s13, if not, acquiring the strongest signal values every a first preset time, respectively acquiring the maximum value A1 and the minimum value A2 of the strongest signal values, and establishing a signal strength interval [ A2, A1];
s14, capturing signals located between the signal strength intervals [ A2, A1] and adding the signals as the optimal signal group.
In this embodiment, the first preset time is 10 seconds, and the acquisition is continued for 10 times, but in other embodiments, the first preset time may be selected according to actual situations.
In actual operation, the signal strength generally fluctuates greatly, for example, from-90 dBm to-60 dBm, so that a signal source with certain signal strength needs to be found in a plurality of signals, the signal source is connected to enable the water meter to work normally, and the rest signal sources can be ignored.
In this embodiment, [ A2, A1] is [ -75dbm,60dbm ], and in other embodiments, the interval can be selected according to the actual situation.
And S2, acquiring the optimal frequency point in the optimal signal group, and marking the frequency point to obtain the optimal frequency point.
Specifically, the step of acquiring the optimal frequency point in the optimal signal group includes:
s21, acquiring a frequency point Bn of a strongest signal in the plurality of network signals once every second preset time;
s22, judging whether the B1 and the B2 … … Bn are the same frequency points;
and S23, if yes, selecting B1 as the optimal frequency point.
In this embodiment, the second preset time is 10 seconds, and is continuously acquired 10 times.
It should be noted that, in this step, an optimal frequency point is obtained in the selected frequency point group, and multiple frequency points are continuously obtained, and if B1 and B2 … … Bn are both the same frequency point, it is indicated that the signal intensity of the frequency point is much stronger than that of other frequency points, and the signal is continuously the strongest, which indicates that the signal of the frequency point is very stable, and can be used as the optimal frequency point.
In addition, the step of judging whether the frequency points B1 and B2 … … Bn are the same frequency point further comprises the following steps:
s24, if not, generating a signal list every second preset time, wherein the signal list is arranged according to signal strength, acquiring the frequency points of the first five of the signal strength in the signal list, and generating a frequency point group;
and S25, if the frequency points contained in each frequency point group are the same, selecting any one of the five frequency points as an optimal frequency point.
It can be understood that, in general, the obtained signals are difficult to achieve the effect of step S22, and the frequency point with the strongest signal is subject to continuous variation.
In actual operation, the frequency points with the first five signal intensities can be selected, the frequency points are used as better frequency points, and frequency point groups are added, so that the optimal frequency points can be conveniently screened from a plurality of frequency point groups in the follow-up process.
It should be noted that, if the frequency points included in each frequency point group are the same, each frequency point in the frequency point group is a relatively stable frequency point, and even if the strongest frequency point changes, the fluctuation is not large, and then 5 frequency points can all be used as high-quality frequency points.
Still further, the method further comprises:
s26, if the frequency points in the 2 frequency point groups are different, judging that the current regional network signal is unstable;
and S27, acquiring the frequency of occurrence of each frequency point in all the frequency point groups, and taking the frequency point with the maximum frequency of occurrence as an optimal frequency point.
It should be noted that, in an area where signals are unstable, the signals at the frequency points may fluctuate repeatedly, and at this time, the water still needs to be added to the network, and then the most appropriate frequency point needs to be selected. When a certain frequency point appears repeatedly in the frequency point group, the frequency point can be considered as a better frequency point, and the frequency point is selected more appropriately.
And S3, when any wireless module executes network access in the designated area, establishing connection between the wireless module and the optimal frequency point.
Specifically, the step of establishing connection between the wireless module and the optimal frequency point includes:
s31, acquiring the mark, and acquiring the optimal frequency point according to the mark;
and S32, establishing connection with the optimal frequency point through the wireless module.
In addition, the method further comprises:
and S4, if the signal intensity value of the optimal frequency point is smaller than a second preset value, judging that no available frequency point exists nearby, and sending maintenance information.
It can be understood that the final purpose of this embodiment is to find a frequency point with strong and stable signal, and if the final signal strength is weaker, it indicates that the area is not at a suitable frequency point, and it is recommended that the staff perform maintenance on the nearby base station.
The invention has the advantages that when a plurality of signals exist, the optimal signal can be automatically obtained, and when any newly-added wireless module is installed in the same area, the optimal signal can be obtained more quickly, thereby greatly improving the network access efficiency.
Referring to fig. 2, a second embodiment of the present invention provides a 5G network frequency access system using the above method, which is applied to network access of a wireless module, and includes:
the searching module is used for searching network signals in a designated area and acquiring an optimal signal group in a plurality of network signals when the network signals exist;
the marking module is used for acquiring the optimal frequency point in the optimal signal group and marking the frequency point to obtain the optimal frequency point;
and the automatic connection module is used for establishing connection between the wireless module and the optimal frequency point when any wireless module executes network access in the designated area.
In order to obtain good signals more accurately, the present embodiment calculates the variance value of each signal intensity, and the smaller the variance value is, the smaller the fluctuation of the signal intensity in the vicinity is, and it is more stable to connect any signal. In this embodiment, the first preset value is 0.3, and in other embodiments, the first preset value may be selected according to actual situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A5G network frequency point access method is applied to network access of a wireless module, and is characterized by comprising the following steps:
searching network signals in a designated area, and acquiring an optimal signal group in a plurality of network signals when the network signals exist;
acquiring an optimal frequency point in the optimal signal group, and marking the frequency point to obtain an optimal frequency point;
when any wireless module executes network access in the designated area, establishing connection between the wireless module and the optimal frequency point;
when a plurality of network signals exist, the step of acquiring an optimal signal group in the plurality of network signals comprises the following steps:
acquiring the signal intensity of the network signal, calculating the variance value of all the signal intensities, and judging whether the variance value is smaller than a first preset value or not;
if yes, adding all the network signals into the optimal signal group;
if not, acquiring the strongest signal values every a first preset time, respectively acquiring the maximum value A1 and the minimum value A2 of the strongest signal values, and establishing a signal strength interval [ A2, A1]; signals lying between the signal strength intervals [ A2, A1] are captured and added as the optimal set of signals.
2. The 5G network frequency point access method according to claim 1, wherein the step of obtaining the optimal frequency points in the optimal signal group comprises:
acquiring the frequency point Bn of the strongest signal in the plurality of network signals once every second preset time;
judging whether the B1 and the B2 … … Bn are the same frequency points;
and if so, selecting B1 as the optimal frequency point.
3. The 5G network frequency point access method according to claim 2, wherein the step of judging whether B1 and B2 … … Bn are the same frequency points further comprises:
if not, generating a signal list every second preset time, wherein the signal list is arranged according to signal intensity, acquiring the frequency points of the first five signal intensities in the signal list, and generating a frequency point group;
and if the frequency points contained in each frequency point group are the same, selecting any one of the five frequency points as the optimal frequency point.
4. The 5G network frequency point access method according to claim 3, further comprising:
if the frequency points in the 2 frequency point groups are different, judging that the current regional network signal is unstable;
and acquiring the occurrence frequency of each frequency point in all the frequency point groups, and taking the frequency point with the maximum occurrence frequency as an optimal frequency point.
5. The 5G network frequency point access method according to claim 1, wherein the step of establishing connection between the wireless module and the optimal frequency point comprises:
acquiring the mark, and acquiring the optimal frequency point according to the mark;
and establishing connection with the optimal frequency point through the wireless module.
6. The 5G network frequency point access method according to claim 1 or 5, characterized in that the method further comprises:
and if the signal intensity value of the optimal frequency point is smaller than a second preset value, judging that no available frequency point exists nearby, and sending out maintenance information.
7. A5G network frequency point access system, which is applied to the network access of a wireless module, adopts the method of claim 1, and is characterized by comprising the following steps:
the searching module is used for searching network signals in a designated area and acquiring an optimal signal group in a plurality of network signals when the network signals exist;
the marking module is used for acquiring the optimal frequency point in the optimal signal group, and marking the frequency point to obtain the optimal frequency point;
and the automatic connection module is used for establishing connection between the wireless module and the optimal frequency point when any wireless module executes network access in the designated area.
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