CN103293403B - The adjustment method of a kind of intracellular signaling and antenna - Google Patents
The adjustment method of a kind of intracellular signaling and antenna Download PDFInfo
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- CN103293403B CN103293403B CN201210048346.XA CN201210048346A CN103293403B CN 103293403 B CN103293403 B CN 103293403B CN 201210048346 A CN201210048346 A CN 201210048346A CN 103293403 B CN103293403 B CN 103293403B
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Abstract
The invention provides the adjustment method of a kind of intracellular signaling and antenna, described signal is exported to the signal-testing apparatus be connected with signal processor front end by chip, described antenna order and antenna matching network, impedance line and the antenna adjustment device be connected with signal processor rear end connect, signal processor disconnects by described adjustment method, utilize the signal processor front end of signal-testing apparatus after chip exports to draw signal and carry out conduction debugging, antenna adjustment device carries out antenna adjustment in signal processor rear end.In the adjustment method of intracellular signaling provided by the invention and antenna, the impact of impedance line, to coordinate the debugging of intracellular signaling and antenna, is included, is avoided the impact that impedance line brings intracellular signaling and antenna adjustment by coupling impedance line also being regarded as antenna.
Description
Technical field
The invention belongs to the communications field, particularly relate to the adjustment method of a kind of intracellular signaling and antenna.
Background technology
Along with the development of mobile phone, more and more higher to the requirement of mobile phone omnidirectional radiation performance, formerly do not do the radiances such as BLUETOOTH, WIFI, GPS, the FM required, there has also been now corresponding standard; Current high-end smartphones, owing to doing less and less, doing thinner and thinner, adds the impact of various metalwork, makes antenna environment more and more severe.In addition, due to the restriction of mobile phone template, force and have no alternative but lengthen at the cabling of impedance line in some cases, or impedance line can only the internal layer walking Mobile phone PCB etc., these situation severe exacerbations conductive performance of signal, make BLUETOOTH/WIFI signal effectively can not be transferred to antenna after impedance line, finally cause radiance not meet the demands.Particularly, signal can the reflection of signal between genetic horizon in internal layer cabling, inhibits the transmission of signal, causes the conductive performance being finally degrading signal, and the requirement of intracellular signaling performance to be exactly signal loss in transmitting procedure the smaller the better.
The present inventor finds, in existing radiance test, can there is the difference of non-source test and active test in debug process, finally cause signal or energy not effectively to be sent to " load " from " signal source ".Wherein, described active test refers to that actual signal transmits in the whole path of mobile phone, considers that in mobile phone, other modules are on the lower actual antenna performance of antenna impact; And non-source test refers in the debug process of antenna, the Antenna Operation state simulated, antenna performance described herein refers in mobile phone shutdown situation, utilizes the signal simulated to transmit, the antenna performance under simple consideration debugging mode.In addition, at high frequencies, parasitic elements (electric capacity of the inductance on impedance line, impedance line wiring board interlayer) also can produce obvious, unpredictable impact to antenna adjustment.
Summary of the invention
The object of this invention is to provide the adjustment method of a kind of intracellular signaling and antenna, solve in prior art the technical matters of the impact caused because impedance line cabling is long intracellular signaling and antenna adjustment, still meeting high radiation index under rugged surroundings are limited becomes possibility.
The object of the invention is to be achieved through the following technical solutions:
The adjustment method of a kind of intracellular signaling and antenna, described signal is exported to the signal-testing apparatus be connected with signal processor front end by chip, described antenna order and antenna matching network, impedance line and the antenna adjustment device be connected with signal processor rear end connect, signal processor disconnects by described adjustment method, utilize the signal processor front end of signal-testing apparatus after chip exports to draw signal and carry out conduction debugging, antenna adjustment device carries out antenna adjustment in signal processor rear end.
In the adjustment method of intracellular signaling provided by the invention and antenna, signal processor is disconnected, utilize the signal processor front end of signal-testing apparatus after chip exports to draw signal and carry out conduction debugging, antenna adjustment device carries out antenna adjustment in signal processor rear end, impedance line is also regarded as the coupling of antenna to coordinate the debugging of intracellular signaling and antenna, by impedance line because cabling is long, the signal caused launches decay, loss is excessive, or make impedance line present certain capacitive or perception, antenna resonance point is finally caused to offset, antenna efficiency reduces, signal or energy can not be sent to " load " from " signal source " effectively, the impact of the difference of passive antenna and active antenna in debug process is brought to include, avoid the impact that impedance line brings intracellular signaling and antenna adjustment, still meet high radiation index under rugged surroundings are limited and become possibility.
Accompanying drawing explanation
Fig. 1 is the debugging schematic diagram of intracellular signaling provided by the invention and antenna.
Embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to shown in Fig. 1, the adjustment method of a kind of intracellular signaling and antenna, described signal is exported to the signal-testing apparatus (not indicating in figure) be connected with signal processor 12 front end (port 2) by chip 11, described antenna 13 order and antenna matching network 14, impedance line 15 and the antenna adjustment device (not indicating in figure) be connected with signal processor 12 rear end (port 4) connect, signal processor 12 disconnects by described adjustment method, utilize signal processor 12 front end of signal-testing apparatus after chip 11 exports to draw signal and carry out conduction debugging, antenna adjustment device carries out antenna adjustment in signal processor 12 rear end.
In the adjustment method of intracellular signaling provided by the invention and antenna, signal processor is disconnected, utilize the signal processor front end of signal-testing apparatus after chip exports to draw signal and carry out conduction debugging, antenna adjustment device carries out antenna adjustment in signal processor rear end, impedance line is also regarded as the coupling of antenna to coordinate the debugging of intracellular signaling and antenna, by impedance line because cabling is long, the signal caused launches decay, loss is excessive, or make impedance line present certain capacitive or perception, antenna resonance point is finally caused to offset, antenna efficiency reduces, signal or energy can not be sent to " load " from " signal source " effectively, the impact of the difference of passive antenna and active antenna in debug process is brought to include, avoid the impact that impedance line brings intracellular signaling and antenna adjustment, still meet high radiation index under rugged surroundings are limited and become possibility.
Particularly, the signal in existing mobile phone is exported by chip 11, after described signal processor 12, impedance line 15 and antenna matching network 14, is sent to described antenna 13.Wherein, the object arranging described antenna matching network 14 is: make it in certain scope, be used for finely tuning the tuning-points of antenna, thus control path impedance better; The structure of described antenna matching network 14 can be determined according to the concrete structure of mobile phone, and form can be varied, and its concrete designing and making is well known to those skilled in the art.As a kind of specific embodiment, described antenna matching network 14 comprises the first resistance R1, the first inductance L 1 and the second inductance L 2, and the first end of described first resistance R1 is connected with antenna 13, and the second end is connected with impedance line 15; One end of first inductance L 1 is connected with the first end of the first resistance R1, other end ground connection; One end of second inductance L 2 is connected with second end of the first resistance R1, other end ground connection.
Signal processor 12 of the present invention disconnects and refers to and is removed by signal processor 12, even if its front end be connected with chip 11 and the rear end that is connected with impedance line 15 all disconnect.As concrete embodiment, described intracellular signaling debugging specifically comprises the quality of test signal, emissive power and receiving sensitivity, namely signal is drawn in signal processor 12 front end (port 2) after chip 11 exports, specifically can draw a radio frequency line at port 2 and be connected to signal-testing apparatus, utilize signal-testing apparatus to test reception and emitting performance, comprising the quality of test signal, the watt level transmitted and the sensitivity of Received signal strength, its concrete test process is well known to those skilled in the art, so far complete at signal processor 12 front end debug signal conductive performance.
As concrete embodiment, described chip 11 is specially the integrated chip of the wherein a kind of or at least two or more chip in bluetooth, WIFI, GPS and FM chip, namely described chip can produce the wherein a kind of signal in bluetooth, WIFI, GPS and FM, such as produce bluetooth or gps signal, or produce bluetooth and WIFI signal simultaneously.On the basis of foregoing teachings, when described chip 11 produce be Bluetooth signal time, signal processor 12 front end of Bluetooth signal proving installation after chip 11 exports can be used to draw Bluetooth signal and to carry out conduction debugging, when described chip 11 produce be WIFI signal time, signal processor 12 front end of WIFI signal proving installation after chip 11 exports can be used to draw WIFI signal and to carry out conduction and debug.Particularly, described Bluetooth signal proving installation can select model to be the bluetooth tester of CBT, and described WIFI signal proving installation can select model to be the comprehensive test instrument of IQ2010, and the use of its proving installation is for those skilled in the art know.
As concrete embodiment, described antenna adjustment specifically comprises the signal utilizing the transmitting of antenna adjustment device identical with the frequency that described chip 11 outputs signal, the information fed back after transmitting according to antenna 13 reception, the return loss of the corresponding frequency of debugging antenna 13 and efficiency, namely carry out antenna adjustment at signal processor 12 rear end (port 4).As specific embodiment, described antenna adjustment device is spectrum analyzer, spectrum analyzer is utilized to launch the signal identical with the frequency that chip 11 outputs signal, now antenna 13 can receive the signal that spectrum analyzer sends, the signal received is fed back to spectrum analyzer by antenna 13 after antenna matching network 14 and impedance line 15, spectrum analyzer debugs out the relevant parameter of antenna 13 according to feedback information, the concrete debug process of described spectrum analyzer is the general adjustment method of antenna, concrete adjustment method is well known to those skilled in the art, so far the debugging at signal processor 12 back-end ports 4 pairs of antennas is completed.As specific embodiment, described antenna parameter specifically can comprise return loss and the efficiency of the corresponding frequency of antenna, and its return loss refers to that antenna produces maximum resonance in the working frequency points of signal; Efficiency refers to that aerial radiation goes out the ratio of signal intensity and input signal strength.
As concrete embodiment, described signal processor 12 is specially the wherein more than one or at least two tandem compounds in wave filter, amplifier and diplexer, namely according to actual needs, signal after being exported by chip 11 carries out filtering process by wave filter, make signal more clean, remove unnecessary noise; Or carry out amplification process by amplifier, make weak signal grow be convenient to mobile phone to the identification of signal and process; Or by diplexer by reception and the isolation that transmits, ensure to receive and launch to work simultaneously, thus provide suitable signal for adjustment method provided by the invention; Or first by filtering process, then by amplifying process etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the adjustment method of an intracellular signaling and antenna, it is characterized in that, described signal is exported to the signal-testing apparatus be connected with signal processor front end by chip, described antenna order and antenna matching network, impedance line and the antenna adjustment device be connected with signal processor rear end connect, the front end be connected with chip of signal processor and the rear end that is connected with impedance line all disconnect by described adjustment method, utilize the signal processor front end of signal-testing apparatus after chip exports to draw signal and carry out conduction debugging, antenna adjustment device carries out antenna adjustment in signal processor rear end.
2. the adjustment method of intracellular signaling according to claim 1 and antenna, is characterized in that, described intracellular signaling debugging specifically comprises test signal quality, emissive power and receiving sensitivity.
3. the adjustment method of intracellular signaling according to claim 1 and antenna, is characterized in that, described chip is specially the integrated chip of the wherein a kind of or at least two or more chip in bluetooth, WIFI, GPS and FM chip.
4. the adjustment method of intracellular signaling according to claim 1 and antenna, it is characterized in that, described antenna adjustment specifically comprises the signal utilizing the transmitting of antenna adjustment device identical with the frequency of described chip signal output, the information fed back after transmitting according to antenna reception, the return loss of the corresponding frequency of debugging antenna and efficiency.
5. the adjustment method of intracellular signaling according to claim 4 and antenna, is characterized in that, described antenna adjustment device is spectrum analyzer.
6. the adjustment method of intracellular signaling according to claim 1 and antenna, is characterized in that, described signal processor is specially the wherein more than one or at least two tandem compounds in wave filter, amplifier and diplexer.
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| CN201210048346.XA CN103293403B (en) | 2012-02-29 | 2012-02-29 | The adjustment method of a kind of intracellular signaling and antenna |
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| CN201210048346.XA CN103293403B (en) | 2012-02-29 | 2012-02-29 | The adjustment method of a kind of intracellular signaling and antenna |
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| CN103293403A (en) | 2013-09-11 |
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