CN1324849C - Method for regulating output power of radio network products - Google Patents
Method for regulating output power of radio network products Download PDFInfo
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- CN1324849C CN1324849C CNB2003101019488A CN200310101948A CN1324849C CN 1324849 C CN1324849 C CN 1324849C CN B2003101019488 A CNB2003101019488 A CN B2003101019488A CN 200310101948 A CN200310101948 A CN 200310101948A CN 1324849 C CN1324849 C CN 1324849C
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Abstract
The present invention relates to a method for regulating output power of a radio network product, which makes use of a response relation diagram of trial production product frequency to output power to find out output power turning points and the corresponding frequency. The component values which correspond to the frequencies and are not adjusted are written in a temporary memory and are adjusted so as to lead output power values to fall in a permissible range of a product specification.
Description
Technical field
The present invention relates to the method that a kind of Wi-Fi product is adjusted power output.
Background technology
In recent years, the ripe gradually and fast development of computer network technology made it promptly to permeate and spread to fields of society, and had changed original life style of people and philosophy of life in many aspects.And as the Wireless LAN of computer network technology branch (Wireless Local Area Network is called for short WLAN) technology owing to be that to utilize radio wave to come its major part of data transmission be with radio frequency (RadioFrequency; RF) technology replaces coaxial cable (Coaxial) the formation local-area network at old-fashioned wired networking, and it utilizes simple access structure to allow the user reach the boundary of carry-onization of information, therefore presents rapid growth momentum.
However, the maturation of WLAN technology and the universal process that still needs a continuous break-in, therefore at present the manufacturer that produces wlan product has arranged every test of product, each product all to need to sell by heavy the checking on market of being allowed for access, can optimization to guarantee product.
Please referring to Fig. 1, shown in be general Wi-Fi product, be wireless network an outpost of the tax office Net Bridge products such as (access point AP) at this, in its test, frequency is to the response relation figure of power output; Ideally, the adjusted power output of every bit frequency, its result should be illustrated in figure 1 as a straight line.Yet with the specification of present 802.11b, its frequency bandwidth is that (promptly 2.4～2.4835GHz) for bulk article, if test at the every bit frequency one by one, not only expends the too many time, and the too high efficient that also lacks of its cost for 83.5MHz.
The method of this problem of known solution is that this frequency band is taken out three points, carry out the power output adjustment at each point again, reach preset value up to power output, in the component value write registers (register) with adjusted Wi-Fi product, the Wi-Fi product comprises the number of buffer approximately between 5 to 50 usually at last; Go up with reality test, the method for utilizing this kind to come straight line is done convergence by three points, the deviation of itself and standard output power ideal value is within the permissible range of tested product specification (spec.).
Because 802.11b itself has insurmountable problem in many application, it is slow excessively to add communication speed, non-overlapped channel quantity is very few, therefore wireless device manufacturer studies the various modes that can improve communication speed constantly, also so just has new specification such as 802.11a, 802.11g even 802.11a+g and releases.Wherein the 802.11a tripping channel take crowded 2.4GHz scope, and directly use the scope of the 5GHz of higher frequency, not only have the effect of high transmission speed, reduce the problem that channel disturbs by a larger margin.
Yet, 802.11a frequency bandwidth to be measured be that (5.15～5.825GHz) is more than 8 times of 802.11b frequency bandwidth to 675MHz, therefore in order to satisfy power output within the permissible range of tested product specification (spec.), its frequency certainly will be able to not only be made convergence with 3 to the response relation figure of power output.If but earlier frequency band is divided into 8 zones, again at each zone one by one with 3 convergences, time that it is spent and cost will significantly increase again.
Summary of the invention
In above-mentioned background of invention, conventional wireless networking product is adjusted many shortcomings that method produced of power output, main purpose of the present invention is to provide a kind of response relation figure that utilizes the frequency of test manufacture product to power output, find out power output breakover point frequency pairing with it, with still also being adjusted of these frequency correspondences, output power value is dropped in the permissible range of product specification without crossing the component value write registers of adjusting.Avoid conventional wireless networking product to adjust the required problems such as a large amount of time and cost that expend of method of power output.
Above-mentioned purpose of the present invention is realized by following technical scheme.
A kind of Wi-Fi product is adjusted the method for power output, and this Wi-Fi product has a plurality of buffers, it is characterized in that comprising the following steps:
Input unjustified component value of trial production stage is to these a plurality of buffers;
Find out the pairing frequency of a plurality of power output breakover points, by the response relation figure of a frequency of producing the stage gained as a trial to power output;
Carry out the response test of this Wi-Fi product in the power output of the pairing frequency of these a plurality of power output breakover points;
Judge whether this Wi-Fi product meets a preset range in the output power value of the pairing frequency of these a plurality of power output breakover points;
When this Wi-Fi product when the output power value of a certain frequency meets this preset range, deposit this frequency corresponding elements value in to these a plurality of buffers; And
When this Wi-Fi product when the output power value of a certain frequency does not meet this preset range, adjust the component value in these a plurality of buffers, more whether this Wi-Fi product is met this preset range in the output power value of this frequency and judge corresponding to this frequency.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: these a plurality of buffer numbers are between 5 to 50.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: the pairing frequency of these a plurality of power output breakover points is in the rf frequency scope.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this preset range is a 802.11b standard institute standard.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this preset range is a 802.11a standard institute standard.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this preset range is a 802.11g standard institute standard.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this preset range is a 802.11a+g standard institute standard.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this Wi-Fi product is a wireless network an outpost of the tax office.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this Wi-Fi product is a Net Bridge.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this frequency utilizes a spectrum analyzer and a wattmeter to measure to the response relation figure of power output.
A kind of Wi-Fi product is adjusted the method for power output, utilizes this Wi-Fi product in the response relation figure of a frequency of producing the stage gained as a trial to power output, it is characterized in that comprising the following steps:
Find out the pairing frequency of local extremum of a plurality of power outputs, by the response relation figure of this frequency to power output; The unjustified component value of trial production stage of the pairing frequency correspondence of local extremum of importing these a plurality of power outputs is to a plurality of buffers of this Wi-Fi product;
Carry out the response test of this Wi-Fi product in the power output of the pairing frequency of local extremum of these a plurality of power outputs;
Judge whether this Wi-Fi product meets this preset range in the output power value of the pairing frequency of local extremum of these a plurality of power outputs: and
When this Wi-Fi product meets this preset range in the output power value of a certain frequency, deposit this frequency corresponding elements value in to these a plurality of buffers; And
When this Wi-Fi product when the output power value of a certain frequency does not meet this preset range, adjust the component value in these a plurality of buffers, more whether this Wi-Fi product is met this preset range in the output power value of this frequency and judge corresponding to this frequency.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: these a plurality of buffer numbers are between 5 to 50.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: the pairing frequency of the local extremum of these a plurality of power outputs is to be positioned at the rf frequency scope.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this Wi-Fi product meets the regulation of 802.11b agreement.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this Wi-Fi product meets the regulation of 802.11a agreement.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this Wi-Fi product meets the regulation of 802.11g agreement.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this Wi-Fi product meets the regulation of 802.11a+g agreement.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this Wi-Fi product is a wireless network an outpost of the tax office.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this Wi-Fi product is a Network path connector.
Described Wi-Fi product is adjusted the method for power output, and it is characterized in that: this frequency utilizes a spectrum analyzer and a wattmeter to measure to the response relation figure of power output.
The invention has the advantages that:
The invention provides a kind of method that can in the Wi-Fi product test, adjust the power evenness, it mainly is by in resulting data of trial production stage, and can directly that most output is stable buffer value filter out, and the buffer value that unsettled breakover point place only may occur is write direct in the buffer, again pairing each frequency of each buffer value of this networking product is done test adjustment, therefore its efficient is promoted widely, the spent time, cost descends thereupon, and the bandwidth of tested product specification also with increase as, its application is more extensive.Very and, error is within the permissible range of specification, effect is remarkable.
For further understanding being arranged, enumerate preferred embodiment now and also be described in detail as follows in conjunction with the accompanying drawings method feature of the present invention, effect.Yet except describing in detail, the present invention can also be widely implements at other embodiment, and scope of the present invention do not limited, and is as the criterion with claim.
Description of drawings
The frequency of Fig. 1 display radio networking product is to the ideal response graph of a relation of power output.
Fig. 2 shows the response relation figure of the frequency of trial production stage Wi-Fi product to power output.
Fig. 3 shows the method flow diagram of Wi-Fi product adjustment power output of the present invention.
The buffer of Fig. 4 A display radio networking product is deposited frequency that unjustified component value the measures response relation figure to power output, among the figure and indicate the error permissible range of standard output power.And
The buffer of Fig. 4 B display radio networking product is deposited the frequency that measures through the adjusted component value response relation figure to power output, among the figure and indicate the error allowed band of standard output power.
Embodiment
The Wireless LAN product is before formal batch process, all can carry out small-scale trial production (pilotrun) earlier, and utilize spectrum analyzer (spectrum analyser) and power meter (power meter) the trial production product to be carried out the test analysis of the frequency (f) of certain number of times to response (Output response) relation of power output, till the characteristics of output power of finding out this test products really, what stored in the buffer this moment is still without the component value of crossing the Wi-Fi product of adjusting.Figure 2 shows that the response relation figure of the frequency of trial production product to power output, by finding among the figure that P1～P8 is the breakover point of power output, f1～f8 is the pairing frequency of P1～P8.Since a little frequencies (f1～f8) measured power output is unsettled, so the phenomenon of breakover point just occurs.In addition, aforesaid frequency is to the response of power output, it should be a continuous function, so when we the extreme value of part (breakover point position) when ideal value is approached, its neighbor also can be forced into towards ideal value simultaneously, whole continuous function is fallen in the permissible range, thus the present invention be by: (1) will be still without crossing in the component value write registers of adjusting; (2) under pairing each frequency of aforementioned power output breakover point, adjustment component value to the deviation of its power output and power output ideal value is to drop within the permissible range of tested product specification (spec.); (3) with the component value of adjusted Wi-Fi product again in the write registers; Thereby solve described known problem.
Fig. 3 is for the method flow diagram of Wi-Fi product adjustment power output of the present invention, to clearly demonstrate method of adjustment of the present invention; At first, will be without crossing in the component value write registers of adjusting (step 301); To the response relation figure of power output, find out power output breakover point (step 302) from the frequency of trial production product; Carry out power output frequency response test (step 303); Judge whether its output power value drops on the permissible range interior (step 304) of product specification; If, and finish operation (step 306) then with adjusted component value (step 305) in the write registers again; If not, then, adjust the buffer component value (step 307) of respective frequencies according to exporting it to the pairing frequency of breakover point; Get back to step 303 then and carry out the power output response test, step 304 judges whether its output power value drops in the permissible range of product specification, constantly repeat this circulation till its power output is satisfied the criteria, just with adjusted component value (step 305) in the write registers again, and finish operation (step 306).
When the frequency of trial production product is shown in Fig. 4 A the time to the response relation of power output, we are P1 as can be seen, P3, the power output of P7 is higher than desirable output power value (solid line IL among the figure), P2, P4, P5, P6, the power output of P8 is lower than desirable output power value, but because of P1, the power output of P7 is arranged between power output higher limit (figure dotted line HL) and the ideal value, the power output of P5 is arranged between power output lower limit (figure dotted line LL) and the ideal value, therefore, P1, P5 and P7 can not need adjust but P3 need adjust the component value of respective frequencies, power output is dropped between power output higher limit and the ideal value, same, P2, P4, P6 and P8 also need adjust the component value of respective frequencies, power output is risen between power output lower limit and the ideal value, thus, the output power value of Wi-Fi product can be up to specification, shown in Fig. 4 B.
What this should be specifically noted that be: (1) is owing among the response relation figure of frequency to power output that is done in the trial production stage, the power output that the breakover point place records is unstable, the side can turnover occur at this place, therefore, the main way of the present invention is just taken out the buffer value at breakover point place, and adjusts test in its power output meets the error permissible range of standard output power of tested product specification (802.11b) according to as above method; (2) in this trial production stage: the data of gained are to test gained with optimal sample (golden sample), and its product performance is that the product performance of producing in batches with institute of the present invention desire is identical.Method of adjustment of the present invention and old method are compared as follows shown in the table one:
Old method of adjustment method of adjustment of the present invention
Application specification 802.11b is indefinite
Frequency band width is wide
Step 1, directly at each buffer component value do 1, according to the test manufacture rank data find out output
Adjust; The power breakover point;
2, will adjust back 2, the examination of breakover point place one corresponding frequency is living after the standard up to specification again
The component value write registers.Product stage component value write registers;
3, adjust component value;
4, will after power output standard up to specification
Adjust back component value write registers.
Efficient is low high
Table one
Below table two classify the method for using Wi-Fi product of the present invention to adjust power output as actual test its specification/frequency/permissible variation/reality of adjusting of Wi-Fi product tested the result of deviation, and from table, can learn that error of the present invention is really within the permissible variation scope of specification defined, the frequency response figure that is power output is smooth, so its effect shows.
| Specification | Frequency (MHz) | Permissible variation (dB) | Actual test deviation (dB) |
| 802.11a | 5180 | +/-1.5 | +/-0.9 |
| 5320 | +/-1.5 | +/-0.9 | |
| 5620 | +/-1.5 | +/-0.9 | |
| 5850 | +/-1.5 | +/-0.9 | |
| 802.11g | 2442 | +/-1.5 | +/-0.9 |
| 802.11a+g | 2442 | +/-1.5 | +/-0.9 |
Table two
Main key point of the present invention is only to write power output may go wrong component value under institute's respective frequencies to buffer, surveys the output of this networking product again, if the output of being surveyed does not meet standard, just carries out the action of power output adjustment.And do not need as old method, must do test one by one, adjust at each frequency, just be written into buffer, the more old naturally mode of its efficient is come highly and can be obtained smooth power output frequency response figure equally.The frequency band that method of testing also of the present invention Just because of this can be suitable for is wideer naturally, and the unlikely time cost that costs a lot of money, its applicable specification is also more naturally.
Even the present invention describes by enumerating a preferred embodiment, but the present invention is not limited to the embodiment that enumerated, though the specific embodiment of before enumerating and narrating, but apparently, other does not break away under the disclosed spirit, the equivalence of being finished changes or modifies, and all should comprise in the claim scope of the present invention.In addition, all other do not break away from other similar and approximate changes or modification of being finished under the disclosed spirit, also all be included in the claim scope of the present invention, should explain scope of the present invention with the widest definition simultaneously, use and comprise all modifications and similar structures.
Claims (20)
1, a kind of Wi-Fi product is adjusted the method for power output, and this Wi-Fi product has a plurality of buffers, it is characterized in that comprising the following steps:
Input unjustified component value of trial production stage is to these a plurality of buffers;
Find out the pairing frequency of a plurality of power output breakover points, by the response relation figure of a frequency of producing the stage gained as a trial to power output;
Carry out the response test of this Wi-Fi product in the power output of the pairing frequency of these a plurality of power output breakover points;
Judge whether this Wi-Fi product meets a preset range in the output power value of the pairing frequency of these a plurality of power output breakover points;
When this Wi-Fi product when the output power value of a certain frequency meets this preset range, deposit this frequency corresponding elements value in to these a plurality of buffers; And
When this Wi-Fi product when the output power value of a certain frequency does not meet this preset range, adjust the component value in these a plurality of buffers, more whether this Wi-Fi product is met this preset range in the output power value of this frequency and judge corresponding to this frequency.
2, Wi-Fi product according to claim 1 is adjusted the method for power output, and it is characterized in that: these a plurality of buffer numbers are between 5 to 50.
3, Wi-Fi product according to claim 1 is adjusted the method for power output, and it is characterized in that: the pairing frequency of these a plurality of power output breakover points is in the rf frequency scope.
4, Wi-Fi product according to claim 1 is adjusted the method for power output, and it is characterized in that: this preset range is a 802.11b standard institute standard.
5, Wi-Fi product according to claim 1 is adjusted the method for power output, and it is characterized in that: this preset range is a 802.11a standard institute standard.
6, Wi-Fi product according to claim 1 is adjusted the method for power output, and it is characterized in that: this preset range is a 802.11g standard institute standard.
7, Wi-Fi product according to claim 1 is adjusted the method for power output, and it is characterized in that: this preset range is a 802.11a+g standard institute standard.
8, Wi-Fi product according to claim 1 is adjusted the method for power output, and it is characterized in that: this Wi-Fi product is a wireless network an outpost of the tax office.
9, Wi-Fi product according to claim 1 is adjusted the method for power output, and it is characterized in that: this Wi-Fi product is a Net Bridge.
10, Wi-Fi product according to claim 1 is adjusted the method for power output, and it is characterized in that: this frequency utilizes a spectrum analyzer and a wattmeter to measure to the response relation figure of power output.
11, a kind of Wi-Fi product is adjusted the method for power output, utilizes this Wi-Fi product in the response relation figure of a frequency of producing the stage gained as a trial to power output, it is characterized in that comprising the following steps:
Find out the pairing frequency of local extremum of a plurality of power outputs, by the response relation figure of this frequency to power output;
The unjustified component value of trial production stage of the pairing frequency correspondence of local extremum of importing these a plurality of power outputs is to a plurality of buffers of this Wi-Fi product;
Carry out the response test of this Wi-Fi product in the power output of the pairing frequency of local extremum of these a plurality of power outputs;
Judge whether this Wi-Fi product meets a preset range in the output power value of the pairing frequency of local extremum of these a plurality of power outputs;
When this Wi-Fi product when the output power value of a certain frequency meets this preset range, deposit this frequency corresponding elements value in to these a plurality of buffers; And
When this Wi-Fi product when the output power value of a certain frequency does not meet this preset range, adjust the component value in these a plurality of buffers, more whether this Wi-Fi product is met this preset range in the output power value of this frequency and judge corresponding to this frequency.
12, Wi-Fi product according to claim 11 is adjusted the method for power output, and it is characterized in that: these a plurality of buffer numbers are between 5 to 50.
13, Wi-Fi product according to claim 11 is adjusted the method for power output, and it is characterized in that: the pairing frequency of the local extremum of these a plurality of power outputs is to be positioned at the rf frequency scope.
14, Wi-Fi product according to claim 11 is adjusted the method for power output, and it is characterized in that: this Wi-Fi product meets the regulation of 802.11b agreement.
15, Wi-Fi product according to claim 11 is adjusted the method for power output, and it is characterized in that: this Wi-Fi product meets the regulation of 802.11a agreement.
16, Wi-Fi product according to claim 11 is adjusted the method for power output, and it is characterized in that: this Wi-Fi product meets the regulation of 802.11g agreement.
17, Wi-Fi product according to claim 11 is adjusted the method for power output, and it is characterized in that: this Wi-Fi product meets the regulation of 802.11a+g agreement.
18, Wi-Fi product according to claim 12 is adjusted the method for power output, and it is characterized in that: this Wi-Fi product is a wireless network an outpost of the tax office.
19, Wi-Fi product according to claim 12 is adjusted the method for power output, and it is characterized in that: this Wi-Fi product is a Network path connector.
20, Wi-Fi product according to claim 13 is adjusted the method for power output, and it is characterized in that: this frequency utilizes a spectrum analyzer and a wattmeter to measure to the response relation figure of power output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101019488A CN1324849C (en) | 2003-10-17 | 2003-10-17 | Method for regulating output power of radio network products |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101019488A CN1324849C (en) | 2003-10-17 | 2003-10-17 | Method for regulating output power of radio network products |
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| Publication Number | Publication Date |
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| CN1610313A CN1610313A (en) | 2005-04-27 |
| CN1324849C true CN1324849C (en) | 2007-07-04 |
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| CNB2003101019488A Expired - Fee Related CN1324849C (en) | 2003-10-17 | 2003-10-17 | Method for regulating output power of radio network products |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5230091A (en) * | 1989-09-25 | 1993-07-20 | Nokia Mobile Phones Ltd. | Method and apparatus for tuning and compensating power levels in a radio telephone |
| US5241690A (en) * | 1990-06-21 | 1993-08-31 | Telefonaktiebolaget L M Ericsson | Method for regulating power in a digital mobile telephony system |
| CN1324197A (en) * | 2000-05-11 | 2001-11-28 | 英业达集团（南京）电子技术有限公司 | Power output regulating method and regulator for radio auxiliary terminal |
-
2003
- 2003-10-17 CN CNB2003101019488A patent/CN1324849C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5230091A (en) * | 1989-09-25 | 1993-07-20 | Nokia Mobile Phones Ltd. | Method and apparatus for tuning and compensating power levels in a radio telephone |
| US5241690A (en) * | 1990-06-21 | 1993-08-31 | Telefonaktiebolaget L M Ericsson | Method for regulating power in a digital mobile telephony system |
| CN1324197A (en) * | 2000-05-11 | 2001-11-28 | 英业达集团（南京）电子技术有限公司 | Power output regulating method and regulator for radio auxiliary terminal |
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|---|---|
| CN1610313A (en) | 2005-04-27 |
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