CN109510671B - Setting method and system, and testing method and system of wireless communication module - Google Patents
Setting method and system, and testing method and system of wireless communication module Download PDFInfo
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- CN109510671B CN109510671B CN201811638379.3A CN201811638379A CN109510671B CN 109510671 B CN109510671 B CN 109510671B CN 201811638379 A CN201811638379 A CN 201811638379A CN 109510671 B CN109510671 B CN 109510671B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
Abstract
The invention discloses a method and a system for setting an offline state of a wireless communication module and a method and a system for testing a network searching mechanism. The off-line state setting method comprises the following steps: and adjusting the main crystal oscillator matching capacitance parameter value of the wireless communication module so as to enable the oscillation frequency of the main crystal oscillator to deviate, wherein the transmission frequency formed by mixing the wireless communication module according to the deviated oscillation frequency is not matched with the network frequency to be networked. In the invention, the wireless communication module can be in the off-line state by using the method of modifying the radio frequency parameters of the wireless communication module, thereby simplifying the test method and saving the test cost.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a method and a system for setting a wireless communication module, and a method and a system for testing the wireless communication module.
Background
With the rapid development of wireless communication technology, the wireless communication technology is more and more commonly applied to portable devices, and since a battery power supply mode is mostly adopted for a wireless communication module, it is particularly important to reduce power consumption as much as possible to enhance endurance.
When the wireless communication module is in a non-network environment, such as: when the wireless communication module searches for a network, if the wireless communication module is in a network searching state for a long time, the power consumption is high; if the network is in a standby network searching-free state for a long time, the network cannot be found in time. In order to reduce power consumption while searching for a network in time, a wireless communication terminal can design a network searching mechanism under the offline condition. In the stage of product research and development testing, the network searching mechanism needs to be tested.
The test is carried out in a network-free environment, and the off-line environment can be simulated by using the shielding equipment. However, the use of shielding devices has the following disadvantages:
first, the cost of shielding equipment, such as shielding boxes or shielding laboratories, is high;
if the network signal is tested in the shielding box, the shielding performance of the shielding box has different network effects on different systems, some network signals can be better covered, and the shielding box can not fully shield the network signals, so that the testing requirement can not be met; and the wireless communication module needs to carry out switching on a peripheral interface line, a power supply line and the like on the shielding box body, so that the operation is complex.
The test is carried out in a shielding laboratory, multiple tests are generally carried out simultaneously, from the practical working angle, the test of a network searching mechanism usually needs a long time, and the shielding laboratory is difficult to control a long-time interference-free full-frequency network disconnection environment, so that the accuracy and the efficiency of the test are influenced.
Disclosure of Invention
The invention provides a method and a system for setting a wireless communication module, and a method and a system for testing the wireless communication module, in order to overcome the defects of high cost, various steps and low accuracy caused by the problem that a shielding device is used in a network searching test mechanism in the prior art.
The invention solves the technical problems through the following technical scheme:
a method for setting an offline state of a wireless communication module, the method comprising:
and adjusting the main crystal oscillator matching capacitance parameter value of the wireless communication module so as to enable the oscillation frequency of the main crystal oscillator to deviate, wherein the transmission frequency formed by mixing the wireless communication module according to the deviated oscillation frequency is not matched with the network frequency to be networked.
The clock signal of the main crystal oscillator deviates, so that the phase-locked loop circuit cannot output the mixing frequency matched with the operator network, the baseband signal formed by the high-frequency signal after the mixer is distorted, the signal error rate is greatly increased after the baseband regulator uses the deviating clock signal, the network signal cannot be identified, and the wireless communication module enters the off-network state.
Preferably, before the step of adjusting the main crystal matching capacitance parameter value of the wireless communication module, the setting method further includes:
calibrating the radio frequency performance of the wireless communication module;
and establishing connection between the wireless communication module and a radio frequency debugging tool.
Preferably, after the step of adjusting the main crystal matching capacitance parameter value of the wireless communication module, the setting method further includes:
inquiring the network registration state of the wireless communication module through an instruction, judging whether the wireless communication module is in an SIM card off-line state, if not, returning to the step of adjusting the main crystal oscillator matching capacitance parameter value of the wireless communication module until the wireless communication module is in the SIM card off-line state.
Preferably, the step of adjusting the main crystal matching capacitance parameter value of the wireless communication module specifically includes:
and adjusting the compensation parameters of a main crystal oscillator capacitor array built in the wireless communication module.
A method for testing a network searching mechanism of a wireless communication module is characterized by comprising the following steps:
the setting method as described above sets the wireless communication module to the off-line state;
and monitoring the current waveform of the wireless communication module, and testing the network searching mechanism of the wireless communication module through the current waveform.
Preferably, the step of testing the network searching mechanism of the wireless communication module through the current waveform specifically includes:
acquiring a real-time current value of the wireless communication module through the current waveform;
judging whether the real-time current value exceeds a current threshold value;
if the current threshold is not exceeded, determining that the wireless communication module is in a non-network searching state;
and if the current threshold is exceeded, determining that the wireless communication module is in a network searching state.
The current threshold is the maximum value of the current of the wireless communication module when the wireless communication module is in the network searching state.
A system for setting an offline state of a wireless communication module, the system comprising:
and the matching capacitance adjusting module is used for adjusting the main crystal oscillator matching capacitance parameter value of the wireless communication module so as to enable the oscillation frequency of the main crystal oscillator to deviate, and the wireless communication module is not matched with the network frequency to be networked according to the emission frequency formed by mixing the deviated oscillation frequency.
Preferably, the setting system further comprises:
the calibration module is used for calibrating the radio frequency performance of the wireless communication;
the matching capacitance adjusting module is used for adjusting the main crystal oscillator matching capacitance parameter value of the wireless communication module after the wireless communication module is connected with the radio frequency debugging tool.
Preferably, the setting system further comprises:
and the query module is used for querying the network registration state of the wireless communication module, judging whether the wireless communication module is in the state of SIM card and off-line, and if not, calling the matching capacitance adjusting module until the wireless communication module is in the state of SIM card and off-line.
Preferably, the matching capacitor adjusting module is specifically configured to adjust a compensation parameter of a main crystal capacitor array built in the wireless communication module.
A test system for a network searching mechanism of a wireless communication module, the test system comprising:
the setting system as described above, for setting the wireless communication module to the off-line state;
and the monitoring module is used for monitoring the current waveform of the wireless communication module and testing the network searching mechanism of the wireless communication module through the current waveform.
Preferably, the monitoring module comprises:
the acquisition unit is used for acquiring a real-time current value of the wireless communication module;
the judging unit is used for judging whether the real-time current value exceeds a current threshold value;
if the current threshold is not exceeded, determining that the wireless communication module is in a non-network searching state;
and if the current threshold is exceeded, determining that the wireless communication module is in a network searching state.
The current threshold is the maximum value of the current of the wireless communication module when the wireless communication module is in the network searching state.
The positive progress effects of the invention are as follows: the invention can realize the simulation of the off-line state only by modifying the radio frequency parameters of the wireless communication module without using shielding equipment, thereby testing the network searching mechanism of the wireless communication module in the off-line state, saving the cost, being simple and easy and improving the testing accuracy.
Drawings
Fig. 1 is a flowchart of a method for setting a talk-around state of a wireless communication module according to embodiment 1 of the present invention.
Fig. 2 is a flowchart of a method for setting a talk-around state of a wireless communication module according to embodiment 2 of the present invention.
Fig. 3 is a flowchart of a method for testing a network searching mechanism of a wireless communication module according to embodiment 3 of the present invention.
Fig. 4 is a block diagram of a system for setting a talk-around state of a wireless communication module according to embodiment 4 of the present invention.
Fig. 5 is a block diagram of a system for setting a talk-around state of a wireless communication module according to embodiment 5 of the present invention.
Fig. 6 is a block diagram illustrating a testing system of a network searching mechanism of a wireless communication module according to embodiment 6 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
The embodiment provides a method for setting a talk-around state of a wireless communication module, and fig. 1 shows a flowchart of the embodiment. Referring to fig. 1, the setting method of the present embodiment includes:
s3, adjusting the main crystal oscillator matching capacitance parameter value of the wireless communication module to enable the oscillation frequency of the main crystal oscillator to deviate, wherein the transmission frequency formed by mixing the wireless communication module according to the deviated oscillation frequency is not matched with the network frequency to be networked.
Wherein the network frequency to be networked may be a network frequency of an operator.
According to the electrical characteristics of the crystal oscillator, in order to enable the crystal oscillator to generate accurate and stable clock signals, matching capacitors can be connected in parallel at the input end and the output end of the crystal oscillator for fine adjustment. In the wireless communication module, the capacitor array built in the chip can realize the fine adjustment of the oscillation frequency of the main crystal oscillator, thereby ensuring the normal work of network searching of the wireless communication module.
The wireless communication module adjusts the main crystal oscillator matching capacitance parameter value of the wireless communication module, can adjust the main crystal oscillator capacitor array, changes the total capacitance value of the matching capacitor array to achieve fine adjustment, enables the oscillation frequency of the clock signal of the main crystal oscillator to deviate, and enables the transmitting frequency formed by mixing the wireless communication module according to the deviated oscillation frequency to be not matched with the network frequency to be networked, so that the wireless communication module enters the off-network state. Compared with the traditional method for realizing the off-line state by placing the wireless communication module in the shielding equipment, the method is efficient and easy to implement, simplifies the testing method and saves the testing cost.
Example 2
The present embodiment provides a method for setting a talk-around status of a wireless communication module, which is a further improvement of embodiment 1, and fig. 2 shows a flowchart of the present embodiment. Referring to fig. 2, the setting method of the present embodiment includes:
and S1, calibrating the radio frequency performance of the wireless communication module, and ensuring the normal state of the wireless communication module. In step S1, the tool synthesizer may be used to calibrate the rf performance of the wireless communication module.
S2, opening the radio frequency debugging tool of the wireless communication module, and connecting the wireless communication module with the radio frequency debugging tool.
And S3, adjusting the main crystal matching capacitance parameter value of the wireless communication module.
In step S3, the oscillation frequency of the master crystal oscillator is shifted, and the transmission frequency mixed by the wireless communication module according to the shifted oscillation frequency does not match the network frequency to be networked.
S4, inquiring the network registration state of the wireless communication module through an AT instruction, and judging whether the wireless communication module is in the state of SIM card and off-line, if so, successfully setting the off-line state of the wireless communication module; if not, returning to the step of adjusting the main crystal oscillator matching capacitance parameter value of the wireless communication module.
Example 3
The embodiment provides a method for testing a network searching mechanism of a wireless communication module, and fig. 3 shows a flowchart of the embodiment. Referring to fig. 3, the test method of the present embodiment includes:
and S1, calibrating the radio frequency performance of the wireless communication module, and ensuring the normal state of the wireless communication module. In step S1, the tool synthesizer may be used to calibrate the rf performance of the wireless communication module.
S2, opening the radio frequency debugging tool of the wireless communication module, and connecting the wireless communication module with the radio frequency debugging tool.
And S3, adjusting the main crystal matching capacitance parameter value of the wireless communication module.
In step S3, the oscillation frequency of the master crystal oscillator is shifted, and the transmission frequency mixed by the wireless communication module according to the shifted oscillation frequency does not match the network frequency to be networked.
S4, inquiring the network registration state of the wireless communication module through an AT instruction, and judging whether the wireless communication module is in the state of SIM card and off-line, if so, executing the step S5; if not, returning to the step of adjusting the main crystal oscillator matching capacitance parameter value of the wireless communication module.
And S5, monitoring the current waveform of the wireless communication module, and testing the network searching mechanism of the wireless communication module through the current waveform.
Wherein, the step of testing the network searching mechanism of the wireless communication module through the current waveform in S5 specifically includes:
judging whether the real-time current value exceeds a current threshold value;
if the current threshold is not exceeded, determining that the wireless communication module is in a non-network searching state;
and if the current threshold is exceeded, determining that the wireless communication module is in a network searching state.
The current threshold is the maximum value of the current of the wireless communication module when the wireless communication module is in the network searching state.
In this embodiment, the power supply of the wireless communication module may be used as a device for monitoring a current waveform, for example, Agilent66319D, the Agilent power supply is used to provide voltage for the wireless communication module, a GPIB (General-Purpose Interface Bus) card is used to establish a communication connection between the power supply and a computer, and a control tool provided by a power supply factory is invoked, so that the current waveform of the wireless communication module in an off-network state for a long time can be monitored and stored, thereby further obtaining a network searching mechanism of the wireless communication module.
Example 4
The present embodiment provides a system for setting a talk-around status of a wireless communication module, and fig. 4 shows a module diagram of the present embodiment. Referring to fig. 4, the setting system 1 of the present embodiment includes:
and the matching capacitance adjusting module 12 is configured to adjust a value of a matching capacitance parameter of the main crystal oscillator of the wireless communication module, so that the oscillation frequency of the main crystal oscillator is shifted, and the wireless communication module realizes setting of an off-network state according to mismatch between a transmission frequency formed by mixing the shifted oscillation frequency and a network frequency to be networked.
Example 5
The present embodiment provides a system for setting a talk-around status of a wireless communication module, and is a further improvement of embodiment 4, and fig. 5 shows a schematic block diagram of the present embodiment. Referring to fig. 5, the setting system 1 of the present embodiment includes:
a calibration module 11, a matching capacitance adjusting module 12 and a query module 13. The calibration module 11 is configured to calibrate a radio frequency performance of the wireless communication module; the matching capacitance adjusting module 12 is configured to adjust a main crystal matching capacitance parameter value of the wireless communication module after the wireless communication module is connected with the radio frequency debugging tool; the query module 13 is configured to query a network registration state of the wireless communication module, determine whether the wireless communication module is in an SIM card off-line state, and if not, invoke the matching capacitor adjustment module until the wireless communication module is in the SIM card off-line state.
Example 6
The embodiment provides a test system for a network searching mechanism of a wireless communication module, and fig. 6 shows a module schematic diagram of the embodiment. Referring to fig. 6, the test system 2 of the present embodiment includes: the system 1 and the monitoring module 3 are configured as described in embodiment 5, and the monitoring module includes an obtaining unit 31 and a determining unit 32. The obtaining unit 31 is configured to obtain a real-time current value of the wireless communication module, and the determining unit 32 is configured to determine whether the real-time current value exceeds a current threshold. If the current threshold is not exceeded, determining that the wireless communication module is in a non-network searching state; and if the current threshold is exceeded, determining that the wireless communication module is in a network searching state. The current threshold is the maximum value of the current of the wireless communication module when the wireless communication module is in the network searching state.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A method for setting a offline state of a wireless communication module is characterized in that the method for setting the offline state of the wireless communication module comprises the following steps:
adjusting a main crystal oscillator matching capacitance parameter value of the wireless communication module to enable the oscillation frequency of the main crystal oscillator to deviate, wherein the transmission frequency formed by mixing the wireless communication module according to the deviated oscillation frequency is not matched with the network frequency to be networked;
inquiring the network registration state of the wireless communication module through an instruction, judging whether the wireless communication module is in an SIM card off-line state, if not, returning to the step of adjusting the main crystal oscillator matching capacitance parameter value of the wireless communication module until the wireless communication module is in the SIM card off-line state.
2. The method of claim 1, wherein prior to the step of adjusting the value of the master crystal matching capacitance parameter of the wireless communication module, the method further comprises:
calibrating the radio frequency performance of the wireless communication module;
and establishing connection between the wireless communication module and a radio frequency debugging tool.
3. The method for setting the offline state of the wireless communication module according to claim 1, wherein the step of adjusting the value of the main crystal matching capacitance parameter of the wireless communication module specifically comprises:
and adjusting the compensation parameters of a main crystal oscillator capacitor array built in the wireless communication module.
4. A method for testing a network searching mechanism of a wireless communication module is characterized in that the method for testing the network searching mechanism of the wireless communication module comprises the following steps:
setting the wireless communication module to the offline state using the method for setting the offline state of the wireless communication module according to any one of claims 1 to 3;
and monitoring the current waveform of the wireless communication module, and testing the network searching mechanism of the wireless communication module through the current waveform.
5. The method for testing the network searching mechanism of the wireless communication module according to claim 4, wherein the step of testing the network searching mechanism of the wireless communication module through the current waveform specifically includes:
acquiring a real-time current value of the wireless communication module through the current waveform;
judging whether the real-time current value exceeds a current threshold value;
if the current threshold is not exceeded, determining that the wireless communication module is in a non-network searching state;
if the current threshold is exceeded, determining that the wireless communication module is in a network searching state;
the current threshold is the maximum value of the current of the wireless communication module when the wireless communication module is in the network searching state.
6. A system for setting a talk-around state of a wireless communication module, the system comprising:
the matching capacitance adjusting module is used for adjusting the main crystal oscillator matching capacitance parameter value of the wireless communication module so as to enable the oscillation frequency of the main crystal oscillator to be deviated, and the transmitting frequency formed by mixing the wireless communication module according to the deviated oscillation frequency is not matched with the network frequency to be networked;
and the query module is used for querying the network registration state of the wireless communication module, judging whether the wireless communication module is in the state of SIM card and off-line, and if not, calling the matching capacitance adjusting module until the wireless communication module is in the state of SIM card and off-line.
7. The system for setting a talk-around state of a wireless communication module according to claim 6, wherein the system for setting a talk-around state of a wireless communication module further comprises:
the calibration module is used for calibrating the radio frequency performance of the wireless communication;
the matching capacitance adjusting module is used for adjusting the main crystal oscillator matching capacitance parameter value of the wireless communication module after the wireless communication module is connected with the radio frequency debugging tool.
8. The system for setting the off-line status of the wireless communication module according to claim 6, wherein the matching capacitor adjusting module is specifically configured to adjust a compensation parameter of a master crystal capacitor array built in the wireless communication module.
9. A test system for a network searching mechanism of a wireless communication module is characterized in that the test system for the network searching mechanism of the wireless communication module comprises:
the system for setting the offline state of the wireless communication module according to any one of claims 6 to 8, for setting the wireless communication module to the offline state;
and the monitoring module is used for monitoring the current waveform of the wireless communication module and testing the network searching mechanism of the wireless communication module through the current waveform.
10. The system for testing a network searching mechanism of a wireless communication module according to claim 9, wherein the monitoring module comprises:
the acquisition unit is used for acquiring a real-time current value of the wireless communication module;
the judging unit is used for judging whether the real-time current value exceeds a current threshold value;
if the current threshold is not exceeded, determining that the wireless communication module is in a non-network searching state;
if the current threshold is exceeded, determining that the wireless communication module is in a network searching state;
the current threshold is the maximum value of the current of the wireless communication module when the wireless communication module is in the network searching state.
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| CN107911325A (en) * | 2017-11-30 | 2018-04-13 | 中兴通讯股份有限公司 | A kind of frequency offset precompensation method and device, communication equipment |
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| US7428423B2 (en) * | 2001-07-16 | 2008-09-23 | Motorola, Inc. | Communication system with controlled talk around mode |
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| CN101022667A (en) * | 2007-03-13 | 2007-08-22 | 北京天碁科技有限公司 | Mobile terminal network searching method |
| CN105932976A (en) * | 2016-05-25 | 2016-09-07 | 电子科技大学 | Temperature compensation circuit for crystal oscillator |
| CN105959962A (en) * | 2016-07-08 | 2016-09-21 | 锐捷网络股份有限公司 | Communication method and device for wide area internet of things |
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