CN103747461A - Communication interference detection method and communication module - Google Patents
Communication interference detection method and communication module Download PDFInfo
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- CN103747461A CN103747461A CN201310745235.9A CN201310745235A CN103747461A CN 103747461 A CN103747461 A CN 103747461A CN 201310745235 A CN201310745235 A CN 201310745235A CN 103747461 A CN103747461 A CN 103747461A
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Abstract
The invention provides a communication interference detection method. The method comprises the following steps of detecting if a communication module has a decoding error or not; when the communication module has the decoding error, detecting the current receiving power of each service cell of the communication module, and judging if the current receiving powers of two or more than two service cells are respectively higher than the average receiving power of the service cells of the communication module or not; if the current receiving powers of two or more than two service cells are respectively higher than the average receiving power of the service cells of the communication module, judging that the communication module has an interference source, and reporting the interference source to an upper computer. The invention also provides the communicating module capable of executing the communication interference detection method.
Description
Technical field
The present invention relates to wireless communication technology, especially, relate to a kind of Communication Jamming (Jamming) detection method and a kind of communication module that can carry out described Communication Jamming detection method.
Background technology
Communication module is easy in the course of the work the signal interference in the source of being interfered and affects proper communication.Such as, when occurring that personnel adopt signal interference unit to produce interference signal, may the be interfered interference of signal of the normal communications signal of communication module produces decoding error and cannot normally work.On the other hand, when bad signal conditioning appears in communication module, it may cause decoding error equally.Therefore, when there is decoding error, communication module also cannot be determined interference or the bad channel condition of current appearance that it is subject to signal interference unit, communication module cannot report host computer by the accurate reason of decoding error in this case, such as communication module may be used as bad channel condition to be interfered and report host computer.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of Communication Jamming detection method, and the present invention also provides a kind of communication module that can carry out described Communication Jamming detection method.
Communication Jamming detection method provided by the invention, comprises whether detect communication module occurs decoding error; When there is decoding error in described communication module, detect the current received power of each Serving cell of described communication module, and judge whether to exist the current received power of two or more Serving cells to be all greater than the mean receiving power of the Serving cell of described communication module; If exist the current received power of two or more Serving cells to be all greater than the mean receiving power of the Serving cell of described communication module, judge that communication module occurs interference source and reports host computer.
In a kind of preferred embodiment of Communication Jamming detection method provided by the invention, also comprise: described communication module regularly detects the received power of each Serving cell after start, and by described received power testing result is averaged to calculating, detect the mean receiving power of the Serving cell of described communication module.
In a kind of preferred embodiment of Communication Jamming detection method provided by the invention, also comprise: at the information reporting that described communication module is occurred to interference source, to after described host computer, upgrade the mean receiving power of each Serving cell.
In a kind of preferred embodiment of Communication Jamming detection method provided by the invention, whether described detection communication module occurs that decoding error comprises: detect described communication module and whether occur Broadcast Control Channel decoding error, Physical Broadcast Channel decoding error, fundamental service channel decoding error, supplementary service channel-decoding mistake or Common Control Channel decoding error.
In a kind of preferred embodiment of Communication Jamming detection method provided by the invention, the current received power of described each Serving cell adopts the current received signal strength indicator RSSI value of described each Serving cell to represent, and the mean receiving power of described Serving cell adopts the RSSI mean value of described Serving cell to represent.
Communication module provided by the invention, comprising: whether Channel Detection unit, occur decoding error for detection of the channel of described communication module; Power detecting unit, for when decoding error appears in described communication module, detects the current received power of each Serving cell of described communication module; Judging unit, for judging whether to exist the current received power of two or more Serving cells to be all greater than the mean receiving power of the Serving cell of described communication module according to the testing result of described power detection module, and when existing, judge that interference source appears in described communication module; Report unit, for information reporting that interference source is appearred in described communication module to host computer.
In a kind of preferred embodiment of communication module provided by the invention, described power detecting unit also detects the received power of each Serving cell for timing after start, and according to the received power of described each Serving cell, calculates the mean receiving power of the Serving cell of described communication module.
In a kind of preferred embodiment of communication module provided by the invention, described power detecting unit also, for after the information reporting that described communication module is occurred to interference source is given described host computer, is upgraded the mean receiving power of each Serving cell.
In a kind of preferred embodiment of communication module provided by the invention, described channel comprises Broadcast Control Channel, Physical Broadcast Channel, fundamental service channel, supplementary service channel or Common Control Channel.
In a kind of preferred embodiment of communication module provided by the invention, the current received power of described each Serving cell adopts the current received signal strength indicator RSSI value of described each Serving cell to represent, and the mean receiving power of described Serving cell adopts the RSSI mean value of described Serving cell to represent.
Communication Jamming detection method provided by the invention, by the received power of each Serving cell of described communication module and mean receiving power are analyzed, and according to comparative analysis result, can judge described communication module and whether have interference source, therefore utilize described Communication Jamming detection method can effectively detect signal and disturb, thereby avoid the disconnected and mistake of communication module product erroneous judgement to report.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the schematic flow sheet of a kind of embodiment of Communication Jamming detection method provided by the invention;
Fig. 2 is the structural representation of a kind of embodiment of communication module provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, it is the schematic flow sheet of a kind of embodiment of Communication Jamming detection method provided by the invention.Described Communication Jamming detection method goes for communication module, is used for detecting the interference whether described communication module is subject to the interference signal of signal interference source generation.
Wherein, described communication module can be GSM (Global System of Mobile communication, global system for mobile communications)/GPRS (General Packet Radio Service, general packet radio service) module; Or be 3G communication module, such as WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)) module or TD-SCDMA (Time Division Synchronous Code Division Multiple Access, TD SDMA) module; Or be 4G communication module, such as TD-LTE (Time Division Long Term Evolution, time-division Long Term Evolution) module etc.
Described Communication Jamming detection method comprises:
Step S1, the mean receiving power of the Serving cell of detection communication module;
Particularly, described communication module is after start, can regularly detect the received power of each Serving cell, as a rule, communication module has a plurality of Serving cells, therefore described communication module can detect respectively the received power of each Serving cell, and by described received power value of averaging, computing calculates the mean receiving power of described Serving cell.
In the present embodiment, the received power of described each Serving cell can adopt current received signal strength indicator value (the Received Signal Strength Indication of each Serving cell, RSSI) value represents, accordingly, the mean receiving power of described Serving cell can adopt the RSSI mean value of described Serving cell to represent.Therefore, in step S1, first described communication module can detect the RSSI value of each Serving cell, and the current RSSI value testing result of above-mentioned each community is averaged to calculating, thereby obtains the RSSI mean value of described Serving cell.
Step S2, detects described communication module and whether occurs decoding error, if so, goes to step S3;
Described communication module in the course of the work, can detect in real time and whether occur channel-decoding mistake, described channel can comprise Broadcast Control Channel (Broadcast Control Channel, BCCH), Physical Broadcast Channel (Physical Broadcast channel, PBCH), fundamental service channel (Fundamental Channel, FCH), supplementary service channel (Supplemental Channel, SCH) or Common Control Channel (Common Control Channel, CCCH).
Step S3, whether the current received power that detects each Serving cell is greater than described mean receiving power, if so, goes to step S4;
Judging currently while there is decoding error, described communication module is by being analyzed to judge the current received power of each Serving cell and described mean receiving power whether the current received power of each Serving cell is greater than described mean receiving power.
Particularly, first described communication module can obtain out the current RSSI value of each Serving cell, and whether the current RSSI value of described each Serving cell of judgement is greater than described RSSI mean value, if the current RSSI value of some Serving cells is greater than described RSSI mean value, think that the current received power of described Serving cell is greater than described mean receiving power.
In fact, in the situation that occurring that signal disturbs, increasing can appear in described current received power at once, and now mean receiving power value does not raise at once, and therefore described current received power can be detected is greater than described mean receiving power.
Step S4, judges whether to exist the current received power of two or more Serving cells to be all greater than described mean receiving power; If so, go to step S5;
Particularly, in the present embodiment, described communication module can be according to the detection architecture of step S3, further judges whether to exist the RSSI value of two or more Serving cell to be all greater than described RSSI mean value; Still only there is the about described RSSI mean value of RSSI value of an independent Serving cell.
Step S5, judges that communication module occurs interference source and reports host computer;
If described communication module detects the RSSI value of two or more Serving cell and is all greater than described RSSI mean value, mean that existing signal interference source to produce interference signal interferes with described two or more Serving cell simultaneously, thereby cause described two or more Serving cell to occur increasing simultaneously.Now, described communication module can be judged the current interference source that occurs, and the mode of unsolicited result code reports to host computer.If described communication module only detects the RSSI value of an independent Serving cell all in described RSSI mean value, may be that bad channel condition appears in described Serving cell, but not occur interference source.
Step S6, upgrades the mean receiving power of each Serving cell.
After described communication module is given described host computer by the information reporting that occurs interference source, described communication module can further be upgraded the mean receiving power of each Serving cell, once because occur that interference source produces interference signal, the mean receiving power of described each Serving cell can correspondingly increase to a new value, therefore now needs as early as possible described mean receiving power to be upgraded.
Communication Jamming detection method provided by the invention, by the received power of each Serving cell of described communication module and mean receiving power are analyzed, and according to comparative analysis result, can judge described communication module and whether have interference source, therefore utilize described Communication Jamming detection method can effectively detect signal and disturb, thereby avoid the disconnected and mistake of communication module product erroneous judgement to report.
Based on above-mentioned Communication Jamming detection method, the present invention also provides a kind of communication module, and it can carry out above-mentioned Communication Jamming detection method, refers to Fig. 2, and it is the structural representation of a kind of embodiment of communication module provided by the invention.Described communication module 200 comprises:
Whether Channel Detection unit 210, there is decoding error for detection of the channel of described communication module 200;
In specific embodiment, described power detecting unit 220 can also detect the received power of each Serving cell for timing after start, and according to the received power of described each Serving cell, calculates the mean receiving power of the Serving cell of described communication module 200.In addition, described power detecting unit 220 can also, for the information reporting described communication module 200 being occurred to interference source to after described host computer, be upgraded the mean receiving power of each Serving cell.
In specific embodiment, described channel comprises Broadcast Control Channel, Physical Broadcast Channel, fundamental service channel, supplementary service channel or Common Control Channel.
In specific embodiment, the current received power of described each Serving cell adopts the current received signal strength indicator RSSI value of described each Serving cell to represent, and the mean receiving power of described Serving cell adopts the RSSI mean value of described Serving cell to represent.
Be to be understood that, each functional unit 210～240 of communication module shown in Fig. 2 can be software unit or hardware cell, and it is to carry out function division according to the Communication Jamming detection method shown in execution graph 1, and the performed action in practical work process of each functional module can, with reference to the specific descriptions of said method embodiment, below repeat no more.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a Communication Jamming detection method, is characterized in that, comprising:
Detect communication module and whether occur decoding error;
When there is decoding error in described communication module, detect the current received power of each Serving cell of described communication module, and judge whether to exist the current received power of two or more Serving cells to be all greater than the mean receiving power of the Serving cell of described communication module;
If exist the current received power of two or more Serving cells to be all greater than the mean receiving power of the Serving cell of described communication module, judge that described communication module occurs interference source and reports host computer.
2. Communication Jamming detection method as claimed in claim 1, is characterized in that, also comprises:
After start, regularly detect the received power of each Serving cell, and by described received power testing result is averaged to calculating, detect the mean receiving power of the Serving cell of described communication module.
3. Communication Jamming detection method as claimed in claim 2, is characterized in that, also comprises:
At the information reporting that described communication module is occurred to interference source, to after described host computer, upgrade the mean receiving power of the Serving cell of described communication module.
4. Communication Jamming detection method as claimed in claim 1, it is characterized in that, whether described detection communication module occurs that decoding error comprises: detect described communication module and whether occur Broadcast Control Channel decoding error, Physical Broadcast Channel decoding error, fundamental service channel decoding error, supplementary service channel-decoding mistake or Common Control Channel decoding error.
5. the Communication Jamming detection method as described in any one in claim 1 to 4, it is characterized in that, the current received power of described each Serving cell adopts the current received signal strength indicator RSSI value of described each Serving cell to represent, and the mean receiving power of described Serving cell adopts the RSSI mean value of described Serving cell to represent.
6. a communication module, is characterized in that, comprising:
Whether Channel Detection unit, there is decoding error for detection of the channel of described communication module;
Power detecting unit, for when decoding error appears in described communication module, detects the current received power of each Serving cell of described communication module;
Judging unit, for judging whether to exist the current received power of two or more Serving cells to be all greater than the mean receiving power of the Serving cell of described communication module according to the testing result of described power detecting unit, and when existing, judge that interference source appears in described communication module;
Report unit, for information reporting that interference source is appearred in described communication module to host computer.
7. communication module as claimed in claim 6, it is characterized in that, described power detecting unit also detects the received power of each Serving cell for timing after start, and according to the received power of described each Serving cell, calculates the mean receiving power of the Serving cell of described communication module.
8. communication module as claimed in claim 7, is characterized in that, described power detecting unit also, for after the information reporting that described communication module is occurred to interference source is given described host computer, is upgraded the mean receiving power of the Serving cell of described communication module.
9. communication module as claimed in claim 6, is characterized in that, described channel comprises Broadcast Control Channel, Physical Broadcast Channel, fundamental service channel, supplementary service channel or Common Control Channel.
10. the communication module as described in any one in claim 6 to 9, it is characterized in that, the current received power of described each Serving cell adopts the current received signal strength indicator RSSI value of described each Serving cell to represent, and the mean receiving power of described Serving cell adopts the RSSI mean value of described Serving cell to represent.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101318A (en) * | 2015-07-31 | 2015-11-25 | 深圳市广和通无线通信软件有限公司 | Wireless communication anti-interference method and wireless communication module |
| TWI601387B (en) * | 2016-06-22 | 2017-10-01 | 晨星半導體股份有限公司 | Decoding apparatus and decoding method including error correction process |
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2013
- 2013-12-30 CN CN201310745235.9A patent/CN103747461B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101318A (en) * | 2015-07-31 | 2015-11-25 | 深圳市广和通无线通信软件有限公司 | Wireless communication anti-interference method and wireless communication module |
| TWI601387B (en) * | 2016-06-22 | 2017-10-01 | 晨星半導體股份有限公司 | Decoding apparatus and decoding method including error correction process |
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