CN105338559A - Clock frequency adjusting system, clock frequency adjusting method and mobile terminal - Google Patents
Clock frequency adjusting system, clock frequency adjusting method and mobile terminal Download PDFInfo
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- CN105338559A CN105338559A CN201410374716.8A CN201410374716A CN105338559A CN 105338559 A CN105338559 A CN 105338559A CN 201410374716 A CN201410374716 A CN 201410374716A CN 105338559 A CN105338559 A CN 105338559A
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Abstract
The invention discloses a clock frequency adjusting system, a clock frequency adjusting method and a mobile terminal, belonging to the technical field of mobile communication. The system comprises a frequency monitoring unit, a judging unit and an adjusting unit, wherein the judging unit is connected to the frequency monitoring unit; and the adjusting unit is connected to the judging unit. The method comprises the following steps: S1, monitoring and obtaining a receiving frequency of a frequency point used by a currently received signal of the mobile terminal; S2, judging whether the frequency point used by the received signal of the mobile terminal is a multiplied-frequency point of a clock frequency currently used by a storage of the mobile terminal or not, and returning to the step S1 if the frequency point used by the received signal is not the multiplied-frequency point of the clock frequency currently used; and S3, selecting one preset clock frequency as the current clock frequency of the storage, and then, returning to the step S1. The technical scheme provided by the invention has the benefits that: the performance of a fixed interfered channel of the mobile terminal is improved; the problem that the radio-frequency performance of the mobile terminal is influenced due to wireless sensitivity deterioration can be avoided; furthermore, protocol requirements can be satisfied; and the clock frequency adjusting system, the clock frequency adjusting method and the mobile terminal disclosed by the invention are relatively simple to realize and relatively low in realization cost.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of clock frequency adjustment System and method and mobile terminal.
Background technology
In prior art, the ability power of mobile terminal Received signal strength has inseparable relation with its radio sensitivity.Improve the radio sensitivity of mobile terminal, mobile terminal can be made to have the ability of catching weak signal more strongly.Like this, along with the increase of transmission range, Received signal strength dies down, and highly sensitive wireless product still can receive data, remains stable and connects, significantly improve transmission range.And in prior art, the operating frequency of the memory of mobile terminal, likely can produce interference by radio sensitivity to received signal, thus affect the radio-frequency performance of mobile terminal.
Summary of the invention
According to problems of the prior art, now provide a kind of clock frequency adjustment System and method and mobile terminal, the mode being intended to the clock frequency by adjusting memory avoids causing the radio sensitivity of mobile terminal to worsen, and specifically comprises:
A kind of clock frequency adjustment System, is applicable to mobile terminal; Comprising:
Frequency monitoring unit, for monitoring and obtaining the receive frequency of described mobile terminal Received signal strength frequency used;
Judging unit, connects described frequency monitoring unit, for judging that whether described mobile terminal Received signal strength frequency used is the frequency multiplication frequency of the current clock frequency of the memory of described mobile terminal, and exports corresponding judged result;
Adjustment unit, connect described judging unit, for according to described judged result, at described mobile terminal when frequency multiplication frequency place's Received signal strength of the described current clock frequency of described memory, not current with a described mobile terminal reception frequency is selected to form the described current clock frequency of the clock frequency preset as described memory of frequency multiplication relation.
Preferably, this clock frequency adjustment System, wherein, comprises at least two default described clock frequencies in described mobile terminal, and selects one of them described clock frequency preset as the described current clock frequency of described memory.
Preferably, this clock frequency adjustment System, wherein, the frequency range of described mobile terminal Received signal strength frequency used is 1805MHz-1880MHz.
A kind of clock frequency method of adjustment, is applicable to mobile terminal; Wherein, comprising:
Step S1, monitors and obtains the receive frequency of described mobile terminal current Received Signal frequency used;
Step S2, judges that whether described mobile terminal Received signal strength frequency used is the frequency multiplication frequency of the clock frequency of the current use of memory of described mobile terminal;
If Received signal strength frequency used is not the frequency multiplication frequency of the described clock frequency of current use, then return described step S1;
Step S3, selects not current with a described mobile terminal reception frequency to form the clock frequency preset of frequency multiplication relation as the current clock frequency of described memory, returns described step S1 subsequently.
Preferably, this clock frequency method of adjustment, wherein, comprises at least two default described clock frequencies in described mobile terminal, and the described current clock frequency that the described clock frequency selecting one of them to preset uses as described memory.
Preferably, this clock frequency method of adjustment, wherein, the frequency range of described mobile terminal Received signal strength frequency used is 1805MHz-1880MHz.
Preferably, this clock frequency method of adjustment, wherein, described step S3 specifically comprises:
Step S31, selects the clock frequency that default;
Step S32, judges that whether by the frequency multiplication frequency of described clock frequency selected be the current reception frequency of described mobile terminal;
If be the current reception frequency of described mobile terminal by the frequency multiplication frequency of the described clock frequency selected, then go to step S33;
If be the current reception frequency of described mobile terminal by the frequency multiplication frequency of the described clock frequency selected, then go to step S34;
Step S33, abandons selecting described clock frequency, and returns described step S31;
Step S34, using by the described clock frequency selected as the current clock frequency of described memory, return described step S1 subsequently.
A kind of mobile terminal, wherein, comprises above-mentioned clock frequency adjustment System.
A kind of mobile terminal, wherein, adopts above-mentioned clock frequency method of adjustment.
The beneficial effect of technique scheme is:
1) improve the performance that mobile terminal is fixedly disturbed channel, avoid radio sensitivity to worsen thus affect the radio-frequency performance of mobile terminal, and meeting protocol requirement;
2) realizing comparatively simple, without the need to changing hardware configuration, realizing cost lower.
Accompanying drawing explanation
Fig. 1 is in preferred embodiment of the present invention, a kind of structural representation of clock frequency adjustment System;
Fig. 2-3 is in preferred embodiment of the present invention, a kind of schematic flow sheet of clock frequency method of adjustment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
In prior art, the clock frequency of the internal storage of mobile terminal may cause interference to the radio sensitivity of mobile terminal Received signal strength, particularly, when mobile terminal is when frequency multiplication frequency place's Received signal strength of the current clock frequency of memory, the radio sensitivity of this frequency can be caused to worsen, thus affect the radio-frequency performance of mobile terminal.
According to the problems referred to above, a kind of clock frequency adjustment System and method and mobile terminal are now provided, specifically comprise:
In preferred embodiment of the present invention, a kind of clock frequency adjustment System is provided, is applicable to mobile terminal.In preferred embodiment of the present invention, under mobile terminal can work in gsm communication system, under can working in TD-SCDMA communication system equally, or under WCDMA communication system, or CDMA2000 communication system is inferior.In other words, being suitable for for technical scheme of the present invention, does not limit under mobile terminal works in a certain or certain several specific communication system.
In preferred embodiment of the present invention, as shown in Figure 1, above-mentioned clock frequency adjustment System specifically comprises:
Frequency monitoring unit 1.In preferred embodiment of the present invention, frequency monitoring unit 1 is for monitoring the receive frequency of mobile terminal current Received Signal frequency used.
Judging unit 2, connects said frequencies monitoring means 1.In preferred embodiment of the present invention, judging unit 2 is monitored and the receive frequency exported for obtaining frequency monitoring unit 1, and judge that whether frequency that now mobile terminal Received signal strength is used is the frequency multiplication frequency of the clock frequency of the memory of mobile terminal, namely now whether mobile terminal is operated in the frequency multiplication frequency of the clock frequency of its memory.Judging unit 2 exports corresponding judged result subsequently.
In a preferred embodiment of the present invention, such as, when the clock frequency of memory is 10MHz, and the frequency acceptance band of mobile terminal is GSM1800, i.e. 1805MHz-1880MHz, then wherein, 1810MHz, 1820MHz, 1830MHz, 1840MHz, 1850MHz, 1860MHz, 1870MHz and 1880MHz are the frequency multiplication frequency of the clock frequency of memory, then mobile terminal the frequency enumerated then is judged as the frequency multiplication frequency place Received signal strength of the clock frequency at memory in above-mentioned during Received signal strength, may be disturbed by the clock frequency of current use.
In preferred embodiment of the present invention, above-mentioned clock frequency adjustment System also comprises:
Adjustment unit 3, connects above-mentioned judging unit 2, for obtaining the judged result that above-mentioned judging unit 2 exports.
In preferred embodiment of the present invention, when above-mentioned judged result represents that now mobile terminal at the frequency multiplication frequency place Received signal strength of clock frequency, then illustrates that the radio sensitivity of mobile terminal may worsen.Now the clock frequency (i.e. current clock frequency) of current for the memory of mobile terminal use is adjusted to another clock frequency preset by adjustment unit 3, namely the clock frequency of memory is changed, thus change the frequency multiplication frequency of the clock frequency of memory, avoid therefore having an impact to the radio sensitivity of mobile terminal.
In a preferred embodiment of the present invention, as noted before, such as, if the receive frequency of mobile terminal Received signal strength frequency used is 1810MHz, represent Received signal strength on the frequency multiplication frequency that mobile terminal is in the clock frequency of memory, now the current clock frequency of the memory of mobile terminal is adjusted to a untapped default clock frequency by adjustment unit 3, such as 12MHz, then after change, the receive frequency of mobile terminal Received signal strength frequency used is no longer the frequency multiplication of the clock frequency of memory, overcome the problem that the radio sensitivity that causes due to Received signal strength on the frequency multiplication frequency of clock frequency worsens.
Therefore, in preferred embodiment of the present invention, adjustment unit is used for according to judged result, at mobile terminal when frequency multiplication frequency place's Received signal strength of the current clock frequency of memory, not current with a mobile terminal reception frequency is selected to form the current clock frequency of the clock frequency preset as memory of frequency multiplication relation.
In preferred embodiment of the present invention, can in the multiple clock frequency of mobile terminal internal preset, and select a default clock frequency for subsequent use to use as current clock frequency when switching.
In preferred embodiment of the present invention, owing to only needing to use a clock frequency as current clock frequency at one time, therefore need to preset at least two clock frequencies for subsequent use in mobile terminal, and select when system initialization one of them clock frequency as current clock frequency.When judged result represents that mobile terminal is when frequency multiplication frequency place's Received signal strength of current clock frequency, adjustment unit 3 using another untapped default clock frequency as current clock frequency, and using originally as the clock frequency of current clock frequency as alternative clock frequency, namely between two clock frequencies, carry out switching use, to reach the object frequency multiplication frequency of current clock frequency and mobile terminal Received signal strength frequency used staggered.
In preferred embodiment of the present invention, for two clock frequencies (one of them is as the clock frequency of current use) for subsequent use, its public frequency multiplication frequency is likely included in the frequency acceptance band of mobile terminal work at present, namely, when mobile terminal Received signal strength frequency used is the public frequency multiplication frequency of these two clock frequencies for subsequent use, these two clock frequencies all can not by the current clock frequency as memory.Such as, the frequency acceptance band of the current use of mobile terminal is 1805MHz-1880MHz, and preset 10MHz and 11MHz two clock frequencies, then for frequency corresponding to 1870MHz, these two clock frequencies of 10MHz and 11MHz are all unavailable, therefore need to preset a clock frequency 12MHz in addition, use when 1870MHz frequency place's Received signal strength for mobile terminal.
Therefore, in preferred embodiment of the present invention, need default multiple clock frequency for subsequent use, to ensure the public frequency multiplication frequency of all not corresponding any two clock frequencies for subsequent use of any one frequency in the frequency acceptance band of the current use of mobile terminal, namely ensure all corresponding available clock frequency of any one frequency in the frequency acceptance band of the current use of mobile terminal.
In preferred embodiment of the present invention, concrete default several clock frequency for subsequent use and which clock frequency for subsequent use default, arranged according to the frequency acceptance band of mobile terminal voluntarily by developer.
In preferred embodiment of the present invention, technique scheme goes for mobile terminal equally in frequency ranges such as GSM900/GSM950/GSM1900.
Correspondingly, in preferred embodiment of the present invention, can according to needing for different mobile terminals presets different clock frequencies of producing and manufacture.
In preferred embodiment of the present invention, as shown in Figure 2, a kind of clock frequency method of adjustment based on above-mentioned clock frequency adjustment System, specifically comprises:
Step S1, monitors and obtains the receive frequency of mobile terminal current Received Signal frequency used;
In preferred embodiment of the present invention, receive frequency when uninterrupted monitoring mobile terminal transmits, step S1 is only and once monitors and the process obtained.
Step S2, judges that whether mobile terminal Received signal strength frequency used is the frequency multiplication frequency of the clock frequency of the current use of memory of mobile terminal;
If Received signal strength frequency used is not the frequency multiplication frequency of the clock frequency of current use, then return step S1;
In preferred embodiment of the present invention, as noted before, the clock frequency of the memory of such as mobile terminal is 10MHz, and the frequency acceptance band of mobile terminal is GSM1800 frequency range (1805MHz-1880MHz), then when the receive frequency of mobile terminal Received signal strength frequency used is the frequency multiplication of clock frequency (such as 1850MHz), then represent that this frequency is the frequency multiplication frequency of current clock frequency, now the radio sensitivity of mobile terminal is easily interfered, and therefore processes the current clock frequency of memory;
And in preferred embodiment of the present invention, when the receive frequency of mobile terminal Received signal strength frequency used is not the frequency multiplication of current clock frequency (such as 1845MHz), then represent that this frequency is not the frequency multiplication frequency of current clock frequency, now the radio sensitivity of mobile terminal can not be disturbed by clock frequency, therefore without the need to processing the current clock frequency of memory.Now return step S1, and continue monitoring and obtain mobile terminal Received signal strength time frequency used receive frequency.
Step S3, selects not current with a mobile terminal reception frequency to form the clock frequency preset of frequency multiplication relation as the current clock frequency of memory, returns step S1 subsequently.
In preferred embodiment of the present invention, for the situation at frequency multiplication frequency place being in the current clock frequency of memory during mobile terminal current Received Signal, by changing the current clock frequency of memory to avoid impacting the radio sensitivity of mobile terminal.
Further, in preferred embodiment of the present invention, the current clock frequency of such as memory is 10MHz, and mobile terminal is in frequency multiplication frequency place Received signal strength (such as 1850MHz) of this current clock frequency, then the current clock frequency of memory is adjusted to 11MHz, then now the receive frequency of mobile terminal Received signal strength frequency used no longer equals the frequency multiplication of current clock frequency, can avoid because current clock frequency makes the radio sensitivity of mobile terminal be affected.
In preferred embodiment of the present invention, multiple clock frequency can be preset in the terminal, and one of them clock frequency is set to the current clock frequency of memory.When judging to think the frequency multiplication frequency place Received signal strength of mobile terminal just at current clock frequency, select a default clock frequency for subsequent use and as current clock frequency.
In preferred embodiment of the present invention, for two clock frequencies (one of them is as the clock frequency of current use) for subsequent use, its public frequency multiplication frequency is likely included in the frequency acceptance band of mobile terminal work at present, namely, when mobile terminal Received signal strength frequency used is the public frequency multiplication frequency of these two clock frequencies for subsequent use, these two clock frequencies all can not by the current clock frequency as memory.Such as, the frequency acceptance band of the current use of mobile terminal is 1805MHz-1880MHz, and preset 10MHz and 11MHz two clock frequencies, then for frequency corresponding to 1870MHz, these two clock frequencies of 10MHz and 11MHz are all unavailable, therefore need to preset a clock frequency 12MHz in addition, use when the 1870MHz Received signal strength for mobile terminal.
Therefore, in preferred embodiment of the present invention, need default multiple clock frequency for subsequent use, to ensure the public frequency multiplication frequency of all not corresponding any two clock frequencies for subsequent use of any one frequency in the frequency acceptance band of the current use of mobile terminal, namely ensure all corresponding available clock frequency of any one frequency in the frequency acceptance band of the current use of mobile terminal.
In preferred embodiment of the present invention, concrete default several clock frequency for subsequent use and which clock frequency for subsequent use default, arranged according to the frequency acceptance band of mobile terminal voluntarily by developer.
Therefore, in preferred embodiment of the present invention, in above-mentioned steps S3, one is selected to adjust the clock frequency of the current use becoming memory with the public frequency multiplication frequency of the clock frequency of current use not included in the clock frequency for subsequent use in the frequency acceptance band of mobile terminal.That is: select go forward side by side Row sum-equal matrix preset clock frequency for subsequent use, not current with mobile terminal reception frequency forms frequency multiplication relation.
Therefore, in preferred embodiment of the present invention, for step S3, provide a kind of as shown in Figure 3 further to the method judged by the clock frequency selected:
Step S31, selects the clock frequency that default;
Step S32, judges that whether by the frequency multiplication frequency of clock frequency selected be the current reception frequency of mobile terminal;
If be the current reception frequency of mobile terminal by the frequency multiplication frequency of the clock frequency selected, then go to step S33;
If be the current reception frequency of mobile terminal by the frequency multiplication frequency of the clock frequency selected, then go to step S34;
Step S33, abandons selecting clock frequency, and returns step S31;
Step S34, using by the clock frequency selected as the current clock frequency of memory, return step S1 subsequently.
In preferred embodiment of the present invention, said method is: when selecting a clock frequency for subsequent use, namely judge that whether its frequency multiplication frequency is the current reception frequency of mobile terminal, and select a frequency multiplication frequency for the clock frequency of the current reception frequency of mobile terminal is as the current clock frequency stored by cycle criterion.In sum, the object of the invention is to: the alternative clock frequency presetting multiple memory in mobile terminal, and mobile terminal when frequency multiplication frequency place's Received signal strength of current clock frequency by carrying out selecting between multiple clock frequency and the frequency multiplication frequency of method adjust change current clock frequency, thus the problem avoiding mobile terminal to cause its radio sensitivity because of the interference of current clock frequency worsening.
The foregoing is only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection range is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations specification of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
Claims (9)
1. a clock frequency adjustment System, is applicable to mobile terminal; It is characterized in that comprising:
Frequency monitoring unit, for monitoring and obtaining the receive frequency of described mobile terminal Received signal strength frequency used;
Judging unit, connects described frequency monitoring unit, for judging that whether described mobile terminal Received signal strength frequency used is the frequency multiplication frequency of the current clock frequency of the memory of described mobile terminal, and exports corresponding judged result;
Adjustment unit, connect described judging unit, for according to described judged result, at described mobile terminal when frequency multiplication frequency place's Received signal strength of the described current clock frequency of described memory, not current with a described mobile terminal reception frequency is selected to form the described current clock frequency of the clock frequency preset as described memory of frequency multiplication relation.
2. clock frequency adjustment System as claimed in claim 1, is characterized in that, comprises at least two default described clock frequencies, and select one of them described clock frequency preset as the described current clock frequency of described memory in described mobile terminal.
3. clock frequency adjustment System as claimed in claim 1, it is characterized in that, the frequency range of described mobile terminal Received signal strength frequency used is 1805MHz-1880MHz.
4. a clock frequency method of adjustment, is applicable to mobile terminal; It is characterized in that, comprising:
Step S1, monitors and obtains the receive frequency of described mobile terminal current Received Signal frequency used;
Step S2, judges that whether described mobile terminal Received signal strength frequency used is the frequency multiplication frequency of the clock frequency of the current use of memory of described mobile terminal;
If Received signal strength frequency used is not the frequency multiplication frequency of the described clock frequency of current use, then return described step S1;
Step S3, selects not current with a described mobile terminal reception frequency to form the clock frequency preset of frequency multiplication relation as the current clock frequency of described memory, returns described step S1 subsequently.
5. clock frequency method of adjustment as claimed in claim 4, it is characterized in that, at least two default described clock frequencies are comprised in described mobile terminal, and the described current clock frequency that the described clock frequency selecting one of them to preset uses as described memory.
6. clock frequency method of adjustment as claimed in claim 4, it is characterized in that, the frequency range of described mobile terminal Received signal strength frequency used is 1805MHz-1880MHz.
7. clock frequency method of adjustment as claimed in claim 4, it is characterized in that, described step S3 specifically comprises:
Step S31, selects the clock frequency that default;
Step S32, judges that whether by the frequency multiplication frequency of described clock frequency selected be the current reception frequency of described mobile terminal;
If be the current reception frequency of described mobile terminal by the frequency multiplication frequency of the described clock frequency selected, then go to step S33;
If be the current reception frequency of described mobile terminal by the frequency multiplication frequency of the described clock frequency selected, then go to step S34;
Step S33, abandons selecting described clock frequency, and returns described step S31;
Step S34, using by the described clock frequency selected as the current clock frequency of described memory, return described step S1 subsequently.
8. a mobile terminal, is characterized in that, comprises the clock frequency adjustment System as described in claim 1-3.
9. a mobile terminal, is characterized in that, adopts the clock frequency method of adjustment as described in claim 4-7.
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| CN201410374716.8A CN105338559A (en) | 2014-07-31 | 2014-07-31 | Clock frequency adjusting system, clock frequency adjusting method and mobile terminal |
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| CN201410374716.8A CN105338559A (en) | 2014-07-31 | 2014-07-31 | Clock frequency adjusting system, clock frequency adjusting method and mobile terminal |
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| CN107171740A (en) * | 2017-05-31 | 2017-09-15 | 广东欧珀移动通信有限公司 | Radio frequency interference processing method, device, storage medium and terminal |
| 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 |
| CN108512625A (en) * | 2018-03-28 | 2018-09-07 | 努比亚技术有限公司 | Anti-interference method, mobile terminal and the storage medium of camera |
| CN109743066A (en) * | 2019-02-28 | 2019-05-10 | 重庆蓝岸通讯技术有限公司 | Solution, storage medium and terminal are reduced based on the terminal flexibility that camera master clock is adjusted |
| CN109845342A (en) * | 2016-10-27 | 2019-06-04 | 惠普发展公司， 有限责任合伙企业 | Wireless connection for electronic equipment |
| CN110365842A (en) * | 2019-07-12 | 2019-10-22 | 维沃移动通信有限公司 | A kind of terminal control method and terminal device |
| CN113452460A (en) * | 2021-06-28 | 2021-09-28 | 展讯通信（上海）有限公司 | Clock frequency selection method, system, medium and terminal of high-speed digital interface |
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| CN110365842B (en) * | 2019-07-12 | 2021-04-02 | 维沃移动通信有限公司 | Terminal control method and terminal equipment |
| CN113452460A (en) * | 2021-06-28 | 2021-09-28 | 展讯通信（上海）有限公司 | Clock frequency selection method, system, medium and terminal of high-speed digital interface |
| CN113452460B (en) * | 2021-06-28 | 2022-10-21 | 展讯通信（上海）有限公司 | Clock frequency selection method, system, medium and terminal of high-speed digital interface |
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