CN102547731A - Method and system for avoiding coexistence interference - Google Patents
Method and system for avoiding coexistence interference Download PDFInfo
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- CN102547731A CN102547731A CN2010105978510A CN201010597851A CN102547731A CN 102547731 A CN102547731 A CN 102547731A CN 2010105978510 A CN2010105978510 A CN 2010105978510A CN 201010597851 A CN201010597851 A CN 201010597851A CN 102547731 A CN102547731 A CN 102547731A
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Abstract
The invention provides a method and a system for avoiding coexistence interference. In the method, a first access system receives a message from a second access system when the first access system is in a transceiving state, wherein the message carries communication startup indication information of the second access system and information of a frequency resource that the second access system needs to be used; the first access system judges whether the information of a frequency resource necessary for use meets a preset condition; when the information of the frequency resource cannot meet the preset condition, the first access system changes the frequency resource used at present, so as to meet the preset condition. According to the technical scheme provided by the invention, the problem of unsatisfactory effect in avoiding coexistence interference in related techniques is solved; furthermore, the coexistence interference can be avoided effectively.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method and system of avoiding coexisting and disturbing.
Background technology
In recent years, along with the fast development of mobile communication technology, the function of terminal equipment also more and more presents variation and complicated, and particularly along with the development of 3G and 4G technology, grow with each passing day to the demand of intelligent machine (smart device) in market.These terminal equipments of picture intelligent machine; Usually can require in an equipment, to support multiple wireless access technology simultaneously; For example: technological (Industrial, Scientific, Medical the abbreviate ISM as) technology of communicating by letter with industrial science medical wireless electricity broadcast band of Long Term Evolution (Long Term Evolution abbreviates LTE as); Wherein, The ISM technology further comprises WLAN (Wireless Local Area Network abbreviates WLAN as) technology, bluetooth (Bluetooth) technology and global positioning system (Global Position System abbreviates GPS as) technology etc.
Because these access technologies are on identical or near frequency band; In case when working together; The connecting system that is in emission state is because the effect of nonlinear devices such as power amplifier and frequency mixer; Can produce in adjacent channel and leak (weighing with ACLR usually in the communication), if other connecting system of shared device is in accepting state, the serious interference that will receive at this moment.This interference phenomenon is commonly referred to common equipment and disturbs (or coexistence is disturbed).
Tradition solves the scheme of coexistence interference problem, generally includes: increase isolation between antennas, perhaps through installing filter filtering etc. additional.Yet along with the raising of terminal equipment integrated level, the terminal is miniaturization more and more, and isolation between antennas has had basically no the space of lifting, and the harsh filter of index not only design difficulty is big, and cost also is to make the terminal equipment merchant intolerable.What is more important is if frequency range is too close, for example; The Band40 of WLAN and LTE, channel width all is 20MHz, in this case; Above-mentioned method result of use is also undesirable, therefore is necessary to study a kind of new method and solves LTE and the common equipment interference problem of ISM.
Summary of the invention
The unfavorable problem of effect when avoiding in the correlation technique coexisting interference problem the invention provides a kind of method and system of coexisting and disturbing avoided, one of to address the above problem at least.
According to an aspect of the present invention, a kind of method of avoiding coexisting and disturbing is provided.
The method of disturbing of avoiding coexisting according to the present invention comprises: when first connecting system is in reiving/transmitting state; First connecting system receives the message that comes from second connecting system; Wherein, the message communication that carries second connecting system begins the information of the frequency resource that indication information and second connecting system need use; Whether the first connecting system judgement needs the information of the frequency resource of use to satisfy pre-conditioned; Do not satisfy when pre-conditioned in the information of frequency resource, first connecting system is changed the frequency resource of current use, and is pre-conditioned to satisfy.
According to a further aspect in the invention, a kind of system that avoids coexisting and disturb is provided.
The system that disturbs that avoids coexisting according to the present invention comprises: first connecting system and second connecting system; Second connecting system is used for when first connecting system is in reiving/transmitting state sending message, and wherein, the communication that message carries second connecting system begins the information of the frequency resource that indication information and second connecting system need use; First connecting system comprises: receiver module is used to receive the message that comes from second connecting system; Judge module is used to judge whether the information of the frequency resource that needs use satisfies pre-conditioned; Processing module is used for when judge module is output as not, changing the frequency resource of current use, and is pre-conditioned to satisfy.
Through the present invention, through between different connecting systems, establishing a communications link, thereby the information that makes a square tube cross acquisition is changed the frequency resource of own current use and is evaded this equipment altogether and disturb.Solve the unfavorable problem of effect when avoiding in the correlation technique coexisting interference problem, and then can effectively avoid coexistence to disturb.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the method disturbed of avoiding coexisting of the embodiment of the invention;
Fig. 2 avoids coexisting the flow chart of the method disturbed according to the preferred embodiment of the invention;
Fig. 3 is the structured flowchart according to the system that disturbs of avoiding coexisting of the embodiment of the invention.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Fig. 1 is the flow chart according to the method disturbed of avoiding coexisting of the embodiment of the invention.As shown in Figure 1, mainly comprise following processing according to the method for disturbing of avoiding coexisting of the embodiment of the invention:
Step S102: when first connecting system is in reiving/transmitting state; First connecting system receives the message that comes from second connecting system; Wherein, the message communication that carries second connecting system begins the information of the frequency resource that indication information and second connecting system need use;
Step S104: whether the first connecting system judgement needs the information of the frequency resource of use to satisfy pre-conditioned;
Step S106: do not satisfy above-mentionedly when pre-conditioned in the information of frequency resource, first connecting system is changed the frequency resource of current use, and is pre-conditioned to satisfy.
In said method, through between different connecting systems, establishing a communications link, thereby the information that makes a square tube cross acquisition is changed the frequency resource of own current use and is evaded this equipment altogether and disturb.Solve the unfavorable problem of effect when avoiding in the correlation technique coexisting interference problem, and then can effectively avoid coexistence to disturb.
Wherein, above-mentioned second connecting system can be regarded master as, promptly own frequency spectrum resource is used not constraint, and intervenes the connecting system of other connecting system frequency of utilization resource through the frequency resource information of informing own use.Above-mentioned first connecting system can be regarded prosecution as: promptly need receive the frequency resource information of master, and the frequency spectrum resource of oneself receives the connecting system of master constraint.
In the equipment of reality, require to set up signalling path between two kinds of connecting systems (for example, LTE and ISM), and confirm that according to top definition master control is sent out and prosecution.When a side confirmed as master, an other side was exactly a prosecution.
Preferably, the information of said frequencies resource can be the centre frequency f1 of the current use of second connecting system.Certainly, in the practical implementation process, be not limited to a dispatching centre frequency information, second connecting system can also send to first connecting system with the band information of the frequency resource of its current use.
Preferably, when the information of said frequencies resource is the centre frequency f1 of the current use of second connecting system, above-mentioned pre-conditioned can including but not limited to: f2＞f1+B; Wherein, f2 is the centre frequency of the current use of first connecting system, and B is predetermined protection interval.Wherein, above-mentioned B is pre-set to the coexistence between different connecting systems, and its size can obtain through experiment or emulation.In the practical implementation process, above-mentioned pre-conditioned also not only for this, can also be provided with that other are pre-conditioned according to actual conditions.
Preferably, after carrying out above-mentioned steps S104, can also comprise following processing: satisfy when pre-conditioned in the information of said frequencies resource, first connecting system continues to use the frequency resource of current use.
In preferred implementation process, if do not satisfy f2＞f1+B, then first connecting system does not need the centre frequency that more renews, and continues to use original centre frequency f2.
Preferably, when the reception of first connecting system came from the sign off indication information of second connecting system, first connecting system continued to use the frequency resource of current use, promptly continues original communication, does not do any change measure.
In the practical implementation process, master needs to carry out twice signaling with prosecution at least and communicates by letter in a subnormal transmitting-receiving communication process.Tell for the first time prosecution its communication start information and employed center frequency information; Tell for the second time prosecution sign off information.
When prosecution was in normal reiving/transmitting state, master was through the signaling prosecution, and what prosecution at first detected the master transmission is the beginning communication information or the end communication information, had following two kinds of possibilities:
First kind: require to begin communication (promptly receiving communication beginning indication information) if be judged as master, then prosecution reads the frequency resource information that master will be used.Prosecution gets into the jam avoidance strategy according to the center frequency information that master provides, and promptly changes the frequency resource of current use, and is pre-conditioned to satisfy.
Second kind: if be judged as the information that master requires to finish communication.Prosecution continues original communication, does not do any change measure.
Preferably, first connecting system is the LTE connecting system, and second connecting system is the ISM connecting system; Perhaps first connecting system is the ISM connecting system, and second connecting system is the LTE connecting system.Certainly, the present invention is not limited in the coexistence interference problem that solves between LTE connecting system and the ISM connecting system, between other two connecting systems, can effectively solve the coexistence interference problem equally.
Because LTE and ISM connecting system are on same terminal equipment; Space length is very near; If the shared bandwidth of two systems is close, the emission of a system is very serious to the interference meeting of the reception of another system, even can make can't operate as normal by EVAC; In real system, have the interference of two kinds of scenes particularly serious:
First kind: the LTE tdd mode uses the Band40 frequency range; Occupied bandwidth is 2300MHz～2400MHz, and the frequency band that the uplink and downlink of WLAN take usually is 2400MHz～2480MHz, under this scene; LTE can cause interference to ISM, and ISM also can cause interference to LTE simultaneously.
Second kind: the up use of LTE fdd mode Band7 frequency range, occupied bandwidth is 2500MHz～2570MHz, and the frequency band that the uplink and downlink of WLAN take usually is 2400MHz～2480MHz, and under this scene, LTE can cause interference to WLAN.
To above-mentioned scene, technique scheme provided by the invention can effectively be avoided the interference problem that coexists, and is easy to realize.
Below in conjunction with Fig. 2 above-mentioned preferred implementation is described.
Fig. 2 avoids coexisting the flow chart of the method disturbed according to the preferred embodiment of the invention.Below the processing carried out with regard to master and prosecution describe.Mainly comprise following processing:
Step S202: master requires communication and transmits the communication start information to prosecution;
Step S204: prosecution receives this information, and judgement is communication start information or sign off information;
Step S206: prosecution confirms it is the communication start information, receives and read the employed centre frequency f1 of master;
Step S208: prosecution gets into the jam avoidance strategy;
Step S210: prosecution judges whether the center frequency information that receives satisfies pre-conditioned;
Step S212: if do not satisfy, prosecution change frequency, above-mentioned pre-conditioned to satisfy, thus continue operate as normal, until sign off.
For example, above-mentionedly pre-conditionedly be: f2＞f1+B; Wherein, f2 is the centre frequency of the current use of first connecting system, and B is predetermined protection interval.
Wherein, B is pre-set to the coexistence between different connecting systems, and its size can obtain through experiment or emulation.For example, for LTE band 40 and WLAN, the optional 30MHz of B; For LTE band 7 and WLAN, the optional 35MHz of B.
Step S214: if satisfy, prosecution continues to use original centre frequency to carry out proper communication, until sign off.
Step S216: master is also carried out proper communication when prosecution carries out proper communication, wherein, master does not receive the interference of prosecution;
Step S218: when the master sign off, master is sent sign off information to prosecution; At this moment, return execution in step S204, prosecution judges it is communication start information or sign off information, when confirming to be sign off information, and execution in step S214.
Fig. 3 is the structured flowchart according to the system that disturbs of avoiding coexisting of the embodiment of the invention.As shown in Figure 3, this system that disturbs that avoids coexisting comprises: first connecting system 30 and second connecting system 32;
Second connecting system 32 is used for when first connecting system is in reiving/transmitting state sending message, and wherein, the communication that message carries second connecting system begins the information of the frequency resource that indication information and second connecting system need use;
First connecting system 30 comprises:
Receiver module 300 is used to receive the message that comes from second connecting system;
Judge module 302 is used to judge whether the information of the frequency resource that needs use satisfies pre-conditioned;
Processing module 304 is used for when judge module is output as not, changing the frequency resource of current use, and is pre-conditioned to satisfy.
In the above-mentioned system that disturbs that avoids coexisting, between first connecting system and second connecting system, establish a communications link, thereby the frequency resource that makes first connecting system change own current use through the information that obtains is evaded the interference of this equipment altogether.Solve the unfavorable problem of effect when avoiding in the correlation technique coexisting interference problem, and then can effectively avoid coexistence to disturb.
Preferably, the information of said frequencies resource can be the centre frequency f1 of the current use of second connecting system.Certainly, in the practical implementation process, be not limited to a dispatching centre frequency information, second connecting system can also send to first connecting system with the band information of the frequency resource of its current use.
Preferably, when the information of said frequencies resource is the centre frequency f1 of the current use of second connecting system, above-mentioned pre-conditioned can including but not limited to: f2＞f1+B; Wherein, f2 is the centre frequency of the current use of first connecting system, and B is predetermined protection interval.Wherein, above-mentioned B is pre-set to the coexistence between different connecting systems, and its size can obtain through experiment or emulation.In the practical implementation process, above-mentioned pre-conditioned also not only for this, can also be provided with that other are pre-conditioned according to actual conditions.
Preferably, receiver module 300 also is used to receive the sign off indication information that comes from second connecting system; Processing module 304 also is used for when receiver module receives the sign off indication information, continues to use the frequency resource of current use.
Preferably, first connecting system is the LTE connecting system, and second connecting system is the ISM connecting system; Perhaps first connecting system is the ISM connecting system, and second connecting system is the LTE connecting system.Certainly, the present invention is not limited in the coexistence interference problem that solves between LTE connecting system and the ISM connecting system, between other two connecting systems, can effectively solve the coexistence interference problem equally.
It should be noted that the preferred implementation that each module in first connecting system and second connecting system mutually combines specifically can repeat no more referring to the description of Fig. 1 to Fig. 2 in the above-mentioned system that disturbs that avoids coexisting here.
In sum, by the foregoing description provided by the invention, the frequency resource that the information that the square tube in two connecting systems is crossed acquisition is changed own current use is evaded this equipment altogether and is disturbed.Solve the unfavorable problem of effect when avoiding in the correlation technique coexisting interference problem, and then can effectively avoid coexistence to disturb.
Obviously; It is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize that they can concentrate on the single calculation element with the general calculation device; Perhaps be distributed on the network that a plurality of calculation element forms; Alternatively, they can be realized with the executable program code of calculation element, carried out by calculation element thereby can they be stored in the storage device; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a method of avoiding coexisting and disturbing is characterized in that, comprising:
When first connecting system is in reiving/transmitting state; Said first connecting system receives the message that comes from second connecting system; Wherein, the communication that carries said second connecting system of said message begins the information of the frequency resource that indication information and said second connecting system need use;
Said first connecting system judges whether the said information of the frequency resource of use that needs satisfies pre-conditioned;
Do not satisfy saidly when pre-conditioned in the information of said frequency resource, said first connecting system is changed the frequency resource of current use, and is said pre-conditioned to satisfy.
2. method according to claim 1 is characterized in that, the information of said frequency resource comprises: the centre frequency f1 of the current use of said second connecting system.
3. method according to claim 2 is characterized in that, said pre-conditioned comprising:
F2＞f1+B; Wherein, said f2 is the centre frequency of the current use of said first connecting system, and said B is predetermined protection interval.
4. method according to claim 1 is characterized in that, said first connecting system judge the information of said frequency resource whether satisfy pre-conditioned after, also comprise:
Satisfy when pre-conditioned in the information of said frequency resource, said first connecting system continues to use the frequency resource of current use.
5. method according to claim 1 is characterized in that, also comprises: when said first connecting system reception came from the sign off indication information of second connecting system, said first connecting system continued to use the frequency resource of current use.
6. according to each described method in the claim 1 to 5, it is characterized in that,
Said first connecting system is the LTE connecting system, and said second connecting system is the ISM connecting system; Perhaps
Said first connecting system is the ISM connecting system, and said second connecting system is the LTE connecting system.
7. a system that avoids coexisting and disturb is characterized in that, comprising: first connecting system and second connecting system;
Said second connecting system; Be used for when said first connecting system is in reiving/transmitting state, sending message; Wherein, the communication that carries said second connecting system of said message begins the information of the frequency resource that indication information and said second connecting system need use;
Said first connecting system comprises:
Receiver module is used to receive the said message that comes from said second connecting system;
Judge module is used to judge whether the information of the frequency resource that said needs use satisfies pre-conditioned;
Processing module is used for when said judge module is output as not, changing the frequency resource of current use, and is said pre-conditioned to satisfy.
8. system according to claim 7 is characterized in that, the information of said frequency resource comprises: the centre frequency f1 of the current use of said second connecting system.
9. system according to claim 8 is characterized in that, said pre-conditioned comprising:
F2＞f1+B; Wherein, said f2 is the centre frequency of the current use of said first connecting system, and said B is predetermined protection interval.
10. system according to claim 7 is characterized in that,
Said receiver module also is used to receive the sign off indication information that comes from second connecting system;
Said processing module also is used for when said receiver module receives the sign off indication information, continues to use the frequency resource of current use.
11. according to each described system in the claim 7 to 10, it is characterized in that,
Said first connecting system is the LTE connecting system, and said second connecting system is the ISM connecting system; Perhaps
Said first connecting system is the ISM connecting system, and said second connecting system is the LTE connecting system.
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| CN103391260A (en) * | 2013-06-27 | 2013-11-13 | 华为终端有限公司 | Method for reducing wireless interference and wireless terminal |
| WO2013189353A3 (en) * | 2013-05-20 | 2014-04-17 | 中兴通讯股份有限公司 | Method and system for achieving device-to-device communications |
| CN103874216A (en) * | 2012-12-12 | 2014-06-18 | 中国移动通信集团上海有限公司 | Method of signal transmission, device and base station |
| CN103906184A (en) * | 2012-12-28 | 2014-07-02 | 联芯科技有限公司 | Method and system for selecting WIFI channel during LTE terminal hot point coverage |
| CN104010389A (en) * | 2013-02-22 | 2014-08-27 | 鸿富锦精密工业（深圳）有限公司 | System and method for reducing coexistent interferences between WiMAX module and WiFi module |
| CN104753560A (en) * | 2013-12-26 | 2015-07-01 | 联芯科技有限公司 | Narrow-band interference resisting method, eNodeB (evolved Node B)and communication system |
| CN106413072A (en) * | 2016-08-30 | 2017-02-15 | 维沃移动通信有限公司 | Method for controlling transmitting power and mobile terminal |
| CN106797576A (en) * | 2016-12-07 | 2017-05-31 | 深圳前海达闼云端智能科技有限公司 | Modem control method, device, electronic equipment and computer program product |
| CN106953659A (en) * | 2017-02-10 | 2017-07-14 | 维沃移动通信有限公司 | A kind of method and device for suppressing interference |
| CN107277917A (en) * | 2017-05-31 | 2017-10-20 | 广东欧珀移动通信有限公司 | Communication frequency system of selection, device, storage medium and mobile terminal |
| WO2023108341A1 (en) * | 2021-12-13 | 2023-06-22 | Oppo广东移动通信有限公司 | Frequency information processing method, first communication unit, and second communication unit |
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| CN103874216A (en) * | 2012-12-12 | 2014-06-18 | 中国移动通信集团上海有限公司 | Method of signal transmission, device and base station |
| CN103874216B (en) * | 2012-12-12 | 2017-09-05 | 中国移动通信集团上海有限公司 | A kind of method, equipment and base station for carrying out signal transmission |
| CN103906184A (en) * | 2012-12-28 | 2014-07-02 | 联芯科技有限公司 | Method and system for selecting WIFI channel during LTE terminal hot point coverage |
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| CN103391260B (en) * | 2013-06-27 | 2018-03-13 | 华为终端（东莞）有限公司 | Reduce the method and wireless terminal of air interference |
| CN103391260A (en) * | 2013-06-27 | 2013-11-13 | 华为终端有限公司 | Method for reducing wireless interference and wireless terminal |
| CN104753560B (en) * | 2013-12-26 | 2018-01-05 | 联芯科技有限公司 | A kind of anti-arrowband interference method, eNodeB and communication system |
| CN104753560A (en) * | 2013-12-26 | 2015-07-01 | 联芯科技有限公司 | Narrow-band interference resisting method, eNodeB (evolved Node B)and communication system |
| CN106413072A (en) * | 2016-08-30 | 2017-02-15 | 维沃移动通信有限公司 | Method for controlling transmitting power and mobile terminal |
| CN106797576A (en) * | 2016-12-07 | 2017-05-31 | 深圳前海达闼云端智能科技有限公司 | Modem control method, device, electronic equipment and computer program product |
| WO2018102999A1 (en) * | 2016-12-07 | 2018-06-14 | 深圳前海达闼云端智能科技有限公司 | Modem control method and apparatus, electronic device, and computer program product |
| CN106797576B (en) * | 2016-12-07 | 2020-04-07 | 深圳前海达闼云端智能科技有限公司 | Modem control method, device, electronic equipment and computer program product |
| CN106953659A (en) * | 2017-02-10 | 2017-07-14 | 维沃移动通信有限公司 | A kind of method and device for suppressing interference |
| CN106953659B (en) * | 2017-02-10 | 2019-08-20 | 维沃移动通信有限公司 | A kind of method and device inhibiting interference |
| CN107277917A (en) * | 2017-05-31 | 2017-10-20 | 广东欧珀移动通信有限公司 | Communication frequency system of selection, device, storage medium and mobile terminal |
| WO2023108341A1 (en) * | 2021-12-13 | 2023-06-22 | Oppo广东移动通信有限公司 | Frequency information processing method, first communication unit, and second communication unit |
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Application publication date: 20120704 |