CN105101318B - Wirelessly communicate anti-interference method and wireless communication module - Google Patents
Wirelessly communicate anti-interference method and wireless communication module Download PDFInfo
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- CN105101318B CN105101318B CN201510460690.3A CN201510460690A CN105101318B CN 105101318 B CN105101318 B CN 105101318B CN 201510460690 A CN201510460690 A CN 201510460690A CN 105101318 B CN105101318 B CN 105101318B
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- wireless communication
- frequency band
- interference
- communication module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
- H04W36/0094—Definition of hand-off measurement parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
Abstract
The present invention provides a kind of wireless communication anti-interference method.Described method includes following steps: providing wireless communication module, GSM frequency band network and anti-interference frequency band network；Interference Detection；Network switching；Network recovery.Compared with the relevant technologies, wireless communication anti-interference method provided by the invention can carry out network switching in the presence of signal interference, realize that data are normally sent.In addition, the present invention also provides a kind of wireless communication modules.
Description
Technical field
The present invention relates to wireless communication field more particularly to a kind of wireless communication anti-interference methods and wireless communication module.
Background technique
Global system for mobile communications (Global System for Mobile Communication, GSM) is currently to answer
With most commonly used mobile phone standard, its signaling and voice channel be all it is digital, wireless communication module is in GSM frequency range
It can be realized the interaction of data in network.But wireless communication module is easy to be interfered and influence normal data interaction, such as
There are interference source, it is wrong that the interference signal that interference source is sent can make wireless communication module generate decoding for wireless communication module working region
It accidentally can not normal data interaction.
In the related technology, usually whether there is using wireless communication module interference detection method detection current service cell
Interference, is reported to host computer for interference information when interference is present, makes closing on for wireless communication module access current service cell
Cell.But biggish diffusion can be had by often interfering with, and deposit the adjacent cells of wireless communication module current service cell also can
In certain interference, it still will affect wireless communication module when accessing adjacent cells and send data, there is no fundamentally for this
Solve wireless communication module interference there are the case where normal data send.
It solves the above problems therefore, it is necessary to provide one kind new wireless communication anti-interference method and wireless communication module.
Summary of the invention
It is deposited the technical problem to be solved by the invention is to provide one kind in GSM frequency band network and remains to reality in case of interferers
Existing wireless communication module normally sends the wireless communication anti-interference method and wireless communication module of data.
A kind of wireless communication anti-interference method, includes the following steps:
Interference Detection provides wireless communication module, GSM frequency band network and anti-interference frequency band network, the anti-interference frequency band network
Frequency range be 868MHz~872.1MHz and 915MHz~919.1MHz；The wireless communication module is accessed into the GSM frequency range
Network detects the GSM frequency band network with the presence or absence of interference within the default unit time；
Network switching, if detecting the GSM frequency band network has interference, the wireless communication module closes the GSM frequency
Section network, while switching accesses to the anti-interference frequency band network；
Network recovery, the wireless communication module continue to test the GSM frequency band network within the default unit time,
If the GSM frequency band network interference is eliminated, the wireless communication module closes the anti-interference frequency band network, while switching access
To the GSM frequency band network.
Preferably, the Interference Detection step includes: by the communication module preset standard level value；It detects described wireless
Whether communication module there is decoding error within the default unit time；If there is decoding error, the channel radio is detected
The received real-time level value of each serving cell that letter module is covered in the GSM frequency band network, more each real-time level value
Whether the standard electric level values are greater than；The received real-time level value of at least two serving cell is greater than if it exists
The standard electric level values then judge that the GSM frequency band network of the wireless communication module access has interference.
Preferably, the wireless communication module preset the standard electric level values step include: the GSM frequency band network just
When normal communications status, it is received to detect each serving cell that the wireless communication module is covered in the GSM frequency band network
The average level value, the average level value are preset as the standard electric level values.
Preferably, the wireless communication module selects it according to the signal strength of each frequency point of the anti-interference frequency band network
The maximum frequency handover access of signal strength.
Preferably, the GSM frequency band network includes GSM850, GSM900, PCS1900 and DCS1800 frequency band network.
Preferably, the wireless communication module is gsm module or GPRS module.
A kind of wireless communication module, including band scan unit, channel detection unit, level detection unit, judging unit
And control unit, the band scan unit is for wireless communication module described in real time scan in GSM frequency band network and anti-interference frequency
The available frequency point of section network；The channel detection unit for detect the GSM frequency band network within the default unit time whether
There is decoding error；The level detection unit is used for when decoding error occurs in the wireless communication module, detects the nothing
Line communication module calculates average level value in the received real-time level value of each serving cell that the GSM frequency band network covers；
The judging unit is used to be judged the wireless communication module with the presence or absence of extremely according to the testing result of the level detection unit
Few two received real-time level values of serving cell are greater than the preset standard electric level values of the wireless communication module, and
Judge the GSM frequency band network with the presence or absence of interference；Described control unit is used for when the GSM frequency band network exists and interferes,
The GSM frequency band network is closed, while controlling the wireless communication module and being switched to anti-interference frequency range net from the GSM frequency band network
Network.
Compared with the relevant technologies, wireless communication interference solution of the invention and communication module go out in GSM frequency band network
In the case where now interfering, it is switched to anti-interference frequency band network from GSM frequency band network automatically, wireless communication module is made to realize normal number
According to transmission.
Detailed description of the invention
Fig. 1 is the flow chart of present invention wireless communication interference solution.
Fig. 2 is the structural schematic diagram of wireless communication module of the present invention.
Specific embodiment
Below in conjunction with drawings and embodiments, the invention will be further described.
Join shown in Fig. 1 and Fig. 2, Fig. 1 is the structural schematic diagram of wireless communication module of the present invention；Fig. 2 is channel radio of the present invention
Believe the structural schematic diagram of module.The wireless communication interference solution includes the following steps:
Step S1, Interference Detection.
Wireless communication module 1, GSM frequency band network (not shown) and anti-interference frequency band network (not shown), the anti-interference are provided
The frequency range of frequency band network is 868MHz~872.1MHz and 915MHz~919.1MHz.The GSM frequency band network includes frequency range
GSM850, GSM900, PCS1900 and DCS1800；The wireless communication module 1 is accessed into the GSM frequency band network, default
The detection GSM frequency band network is with the presence or absence of interference in unit time.Specifically, step S1 is accomplished by
Step S11, by the 1 preset standard level value of wireless communication module.
Specifically, band scan unit 11 is within the default unit time after the wireless communication module 1 powers on booting
The available frequency point in the GSM frequency band network and the anti-interference frequency band network is scanned, and frequency point and signal strength can be used by described in
Etc. information be stored in the wireless communication module 1, for being switched to the GSM frequency when anti-interference frequency band network, which exists, to be interfered
Frequency point in section network realizes that data are persistently sent.
Meanwhile the BA column in the GSM frequency band network according to the real-time updates such as signal strength of band scan unit 11
Table, each service that level detection unit 13 detects the wireless communication module 1 BA list described in the GSM frequency band network are small
The received average level value in area, using the average level value as the preset standard electric level values.
S12, detects whether the wireless communication module 1 decoding error occurs within the default unit time, if so, continuing
Step S13.
The wireless communication module 1 during the work time, 12 real-time detection current serving cell channel of channel detection unit
Whether decoding error.
S13 detects the real-time level value of each serving cell, and whether the real-time level value of each serving cell is big
In the standard electric level values of setting；
Specifically, the reception level value of each serving cell can increase at once, and the standard electric when decoding error
Level values will not increase at once.Therefore, when detecting the current service cell decoding error, the level detection unit 13 will
The real-time level value of each serving cell described in the BA list is compared with the flat standard electric level values, and single by judgement
Member 14 judges whether each real-time level value is greater than the standard electric level values.
Step S14 detects the wireless communication module 1 in the range of the GSM frequency band network covers with the presence or absence of extremely
Few more than two received real-time level values of serving cell are greater than the standard electric level values, if so, described in judgement
There is interference in the GSM frequency band network that wireless communication module 1 accesses, continue step S2.
Step S2, network switching, if detecting the GSM frequency band network has interference, the wireless communication module 1 closes institute
GSM frequency band network is stated, while switching accesses to the anti-interference frequency band network.
Specifically, sending triggering command to control when the judging unit 14 judges that the GSM frequency band network has interference
Unit 15 processed, described control unit 15 respond the triggering command and close GSM frequency band network.Meanwhile described control unit 14
According to the information for the GSM frequency band network for being stored in the wireless communication module 1, being switched to the GSM frequency band network has letter
Number strongest frequency point of intensity realizes that 1 duration data of wireless communication module is sent.
Step S3, network recovery, the wireless communication module 1 continue to test the GSM frequency range within the default unit time
Network, if GSM frequency band network interference is eliminated, the wireless communication module 1 is closed the anti-interference frequency band network, is cut simultaneously
It changes and accesses to the GSM frequency band network.
Specifically, the band scan unit 11 continually scans for updating the GSM frequency band network within the default unit time
The BA list, while the level detection unit 13 detects the real-time level of each serving cell in the BA list
Value, and be compared by the judging unit 14 with the standard electric level values.When each real-time level value is greater than the mark
When the serving cell number of quasi- level value is less than two, the judgement of judging unit 14 interference is eliminated, while the control
Unit 15 control the wireless communication module 1 close the anti-interference frequency range and switching access to the GSM frequency band network.
Wireless communication provided by the invention interferes solution, by by each serving cell of the wireless communication module 1
Real-time level value and the standard electric level values of setting compare and analyze, and judge the wireless communication module based on the analysis results
Whether 1 be interfered, and in the presence of interference, job network is switched to the anti-interference frequency range from the GSM frequency band network immediately
Network solves the problems, such as to influence the wireless communication module 1 normally transmission data in the presence of interference.
Solution is interfered based on above-mentioned wireless communication, the present invention also provides a kind of wireless communication modules 1, join Fig. 2, described
Wireless communication module 1 includes:
Band scan unit 11, for wireless communication module 1 described in real time scan in the GSM frequency band network and described anti-
Disturb the available frequency point of frequency band network；
Channel detection unit 12, for detecting whether the GSM frequency band network decoding error occurs within a certain period of time；
Level detection unit 13, for detecting the wireless communication when decoding error occurs in the wireless communication module 1
The real-time level value of each serving cell of module 1, and calculate the average level value；
Judging unit 14, it is two or more for being judged whether there is according to the testing result of the level detection unit 13
The serving cell real-time level value be greater than the wireless communication module 1 serving cell standard electric level values, and judge
The GSM frequency band network is with the presence or absence of interference；
Control unit 15, for closing the GSM frequency band network, simultaneously when institute's GSM frequency band network has interference
Control the wireless communication module 1 from the GSM frequency band network be switched to anti-interference frequency band network continue send data.
It should be noted that the wireless communication module 1 provided by the invention can press above-mentioned channel radio provided by the invention
Letter interference solution works, and details are not described herein.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (6)
1. a kind of wireless communication anti-interference method, includes the following steps:
Interference Detection provides wireless communication module, GSM frequency band network and anti-interference frequency band network, the frequency of the anti-interference frequency band network
Section is 868MHz~872.1MHz and 915MHz~919.1MHz；The wireless communication module is accessed into the GSM frequency band network,
The GSM frequency band network is detected within the default unit time with the presence or absence of interference；
Network switching, if detecting the GSM frequency band network has interference, the wireless communication module closes the GSM frequency range net
Network, while switching accesses to the anti-interference frequency band network；
Network recovery, the wireless communication module continues to test the GSM frequency band network within the default unit time, if institute
It states the interference of GSM frequency band network to eliminate, then the wireless communication module closes the anti-interference frequency band network, while switching accesses to institute
GSM frequency band network is stated, specific step is as follows for network recovery:
The wireless communication module continually scans for updating the GSM frequency band network within the default unit time；
Detect the real-time level value of each serving cell；
The real-time level value that will test is compared with standard electric level values；
When each real-time level value is greater than the serving cell number of the standard electric level values less than two, judge to interfere
It eliminates, while controlling the wireless communication module closing anti-interference frequency range and switching and accessing to the GSM frequency band network.
2. wireless communication anti-interference method according to claim 1, which is characterized in that the Interference Detection step includes:
By the wireless communication module preset standard level value；
Detect whether the wireless communication module decoding error occurs within the default unit time；
If there is decoding error, detects the wireless communication module and connect in each serving cell that the GSM frequency band network covers
Whether the real-time level value received, more each real-time level value are greater than the standard electric level values；It is at least two if it exists
The received real-time level value of serving cell is greater than the standard electric level values, then judges the wireless communication module access
The GSM frequency band network exist interference.
3. wireless communication anti-interference method according to claim 2, which is characterized in that the wireless communication module presets institute
Stating standard electric level values step includes:
In the GSM frequency band network normal communication state, detects the wireless communication module and covered in the GSM frequency band network
Each received average level value of serving cell, the average level value is preset as the standard electric level values.
4. wireless communication anti-interference method according to claim 1, which is characterized in that the wireless communication module is according to institute
The signal strength for stating each frequency point of anti-interference frequency band network selects the maximum frequency handover access of its signal strength.
5. wireless communication anti-interference method according to claim 1, which is characterized in that the GSM frequency band network includes
GSM850, GSM900, PCS1900 and DCS1800 frequency band network.
6. wireless communication anti-interference method according to claim 1, which is characterized in that the wireless communication module is GSM
Module or GPRS module.
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| CN201510460690.3A CN105101318B (en) | 2015-07-31 | 2015-07-31 | Wirelessly communicate anti-interference method and wireless communication module |
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| CN105101318B true CN105101318B (en) | 2019-02-26 |
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| CN112107289A (en) * | 2019-06-19 | 2020-12-22 | 深圳迈瑞生物医疗电子股份有限公司 | Monitoring data transmission method, monitoring system and storage medium |
| CN111162810A (en) * | 2019-12-14 | 2020-05-15 | 河南思凯蓝通信科技有限公司 | Wireless communication method, CSCF (Call Session control function) and PSBC (particle swarm optimization) equipment |
| CN113552568B (en) * | 2020-04-24 | 2024-03-22 | 深圳市万普拉斯科技有限公司 | Ultrasonic proximity sensing method, device, computer equipment and storage medium |
| CN112085939A (en) * | 2020-09-09 | 2020-12-15 | 广州伽年科技有限公司 | Internet data acquisition information transmission device of being convenient for |
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| CN101500279A (en) * | 2008-02-03 | 2009-08-05 | 中兴通讯股份有限公司 | Wireless link recovery method |
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