CN113422656A - Radio frequency technology-based wireless sensitivity testing method and device - Google Patents
Radio frequency technology-based wireless sensitivity testing method and device Download PDFInfo
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- CN113422656A CN113422656A CN202110591116.7A CN202110591116A CN113422656A CN 113422656 A CN113422656 A CN 113422656A CN 202110591116 A CN202110591116 A CN 202110591116A CN 113422656 A CN113422656 A CN 113422656A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
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Abstract
The invention discloses a radio frequency technology-based wireless sensitivity testing method, which comprises the following steps: setting an initial value of radio frequency power of a radio frequency signal source, and analyzing a message sent by the radio frequency signal source; if the error rate of the message is less than or equal to a preset threshold value, reducing the radio frequency transmitting power by 1 dbm/time; when the error rate of the message is greater than a preset threshold value, increasing the current radio frequency transmitting power by 1dbm and then using the current radio frequency transmitting power as the wireless sensitivity; if the error rate of the message is greater than a preset threshold value, increasing the radio frequency transmitting power by 1 dbm/time; and when the error rate of the message is less than or equal to a preset threshold, taking the current radio frequency transmission power as the wireless sensitivity. The problem of inaccurate wireless sensitivity of prior art test radio frequency signal is solved.
Description
Technical Field
The application relates to the field of low-voltage communication, in particular to a wireless sensitivity testing method based on a radio frequency technology, and also relates to a wireless sensitivity testing device based on the radio frequency technology.
Background
Under the large background that a power grid company vigorously promotes electric energy data acquisition, functions of power failure reporting and the like can be realized by means of price advantages in a carrier wave and wireless communication mode, the carrier wave and wireless communication mode is gradually favored by the market, and the application of the carrier wave and wireless communication mode in a centralized meter reading system is more and more extensive. Due to the complexity of the external environment, the radio frequency performance can be influenced, the communication of equipment is further influenced, the module with low wireless sensitivity can have the problem of poor communication effect, the size and the position of a chip component are fixed during the manufacture of the screen plate, and if the device is changed, the process is complex and the batch waste can be caused. Therefore, an accurate wireless sensitivity test method is crucial to the previous research and development work.
At present, no simple and convenient method can be used for testing the wireless sensitivity, the existing testing method is to judge the size of the wireless sensitivity according to the distance in a mode that a hand-held module is far away from receiving equipment in an open field, and a plurality of uncertain factors further influence the accuracy of data to cause the inaccurate value of the wireless sensitivity.
Disclosure of Invention
In order to solve the above problems, the present application provides a method for testing wireless sensitivity based on a radio frequency technology, including:
setting an initial value of radio frequency power of a radio frequency signal source, and analyzing a message sent by the radio frequency signal source;
if the error rate of the message is less than or equal to a preset threshold value, reducing the radio frequency transmitting power by 1 dbm/time; when the error rate of the message is greater than a preset threshold value, increasing the current radio frequency transmitting power by 1dbm and then using the current radio frequency transmitting power as the wireless sensitivity;
if the error rate of the message is greater than a preset threshold value, increasing the radio frequency transmitting power by 1 dbm/time; and when the error rate of the message is less than or equal to a preset threshold, taking the current radio frequency transmission power as the wireless sensitivity.
Preferably, the error rate of the message is determined according to 100% of error code in transmission/total number of transmitted codes.
This application provides a wireless sensitivity testing arrangement based on radio frequency technology simultaneously, includes:
the analysis unit is used for setting an initial value of the radio frequency power of the radio frequency signal source and analyzing a message sent by the radio frequency signal source;
a wireless sensitivity determining unit, which reduces the radio frequency transmitting power by 1 dbm/time if the error rate of the message is less than or equal to a preset threshold; when the error rate of the message is greater than a preset threshold value, increasing the current radio frequency transmitting power by 1dbm and then using the current radio frequency transmitting power as the wireless sensitivity;
a wireless sensitivity determining unit, which increases the radio frequency transmitting power by 1 dbm/time if the error rate of the message is larger than a preset threshold; and when the error rate of the message is less than or equal to a preset threshold, taking the current radio frequency transmission power as the wireless sensitivity.
Preferably, the wireless sensitivity determination unit includes:
and the error rate determining subunit is used for determining the error rate of the radio frequency transmitting power according to the error code in the transmission/the total number of the transmitted codes multiplied by 100 percent.
Drawings
Fig. 1 is a schematic flowchart of a radio sensitivity testing method based on radio frequency technology according to an embodiment of the present application;
FIG. 2 is a block diagram of a wireless sensitivity test system according to an embodiment of the present application;
fig. 3 is a flowchart illustrating implementation steps of a radio sensitivity testing method based on radio frequency technology according to an embodiment of the present application;
fig. 4 is a schematic diagram of a radio sensitivity testing apparatus based on radio frequency technology according to an embodiment of the present application.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of implementation in many different ways than those herein set forth and of similar import by those skilled in the art without departing from the spirit of this application and is therefore not limited to the specific implementations disclosed below.
The present application provides a radio frequency technology-based wireless sensitivity testing method, a flow of which is shown in fig. 1, and the method provided in the embodiment of the present application is described in detail below with reference to fig. 1.
Step S101, setting an initial value of radio frequency power of a radio frequency signal source, and analyzing a message sent by the radio frequency signal source.
Step S102, if the error rate of the message is less than or equal to a preset threshold, reducing the radio frequency emission power by 1 dbm/time; and when the error rate of the message is greater than a preset threshold value, increasing the current radio frequency transmitting power by 1dbm to be used as the wireless sensitivity.
And setting a threshold value of the error rate of the message as a preset threshold value. And determining the error rate of the radio frequency transmitting power according to the error rate of the message in transmission/the total transmitted code number x 100%.
And when the error rate of the message is less than or equal to a preset threshold value, reducing the radio frequency transmission power by 1 dbm/time. And when the error rate of the message is greater than a preset threshold value, increasing the current radio frequency transmitting power by 1dbm to be used as the wireless sensitivity.
Step S103, if the error rate of the message is greater than a preset threshold value, the radio frequency transmitting power is increased by 1 dbm/time; and when the error rate of the message is less than or equal to a preset threshold, taking the current radio frequency transmission power as the wireless sensitivity.
The radio frequency technology-based wireless sensitivity test method can be realized by a wireless sensitivity test system 0, as shown in fig. 2, the test system 0 comprises a radio frequency signal generation system 1, a tested module 2, a memory 3 and a processor 4, and the tested module 2 comprises an antenna 21, a tested circuit 22 and a radio frequency transceiver chip 23 which are connected in sequence. The radio frequency signal sent by the radio frequency signal generating system 1 is received by the antenna 21, the module to be tested 2 comprises the antenna 21, the circuit to be tested 22 and the radio frequency transceiver chip 23 which are connected in sequence, the module to be tested 2 is connected with the memory 3, and the processor 4 processes the program in the memory 3.
Referring to fig. 3, the implementation steps of the radio frequency technology-based wireless sensitivity testing method according to the embodiment of the present application include:
step L1: setting an initial value of radio frequency power;
step L2: setting the error rate threshold value to be 10%, and when the error rate is greater than the threshold value, performing a step L3; when the bit error rate is less than or equal to the threshold value, performing step L4;
step L3: increasing the radio frequency emission power by 1 dbm/time;
step L4: reducing the radio frequency transmission power by 1 dbm/time;
step L5: setting the error rate threshold value to be 10%, when the error rate is less than or equal to the threshold value, performing a step L7, and when the error rate is greater than the threshold value, performing a step L3;
step L6: setting the error rate threshold value to be 10%, when the error rate is less than or equal to the threshold value, performing a step L4, and when the error rate is greater than the threshold value, performing a step L8;
step L7: the output radio frequency power value is the wireless sensitivity;
step L8: adding 1dbm to the output radio frequency power to obtain the wireless sensitivity;
before the step L1, the rf signal source is controlled to operate in a preset bandwidth mode, so as to ensure that the rf transceiver chip 23 operates normally, thereby improving the reliability of the test result.
In the implementation process, external environment and the like can influence the test result, the interference intensity is very small, corresponding processing is not needed, the interference intensity is high, and the interference of external signals can be reduced by adopting modes of increasing a shielding box and the like.
The rf signal source (e.g., N5182B) is configured to transmit a message with a certain signal strength to the rf transceiver chip of the module under test. When there is an interference signal, the rf transceiver chip cannot receive all messages, and therefore, the error rate at the rf transmit power can be determined according to the error code in transmission/100% of the total transmitted codes.
Based on the same inventive concept, the present application provides a wireless sensitivity testing apparatus 400 based on radio frequency technology, as shown in fig. 4, comprising:
an analyzing unit 410, configured to set an initial value of radio frequency power of a radio frequency signal source, and analyze a message sent by the radio frequency signal source;
a wireless sensitivity determining unit 420, configured to reduce the radio frequency transmission power by 1 dbm/time if the error rate of the packet is less than or equal to a preset threshold; when the error rate of the message is greater than a preset threshold value, increasing the current radio frequency transmitting power by 1dbm and then using the current radio frequency transmitting power as the wireless sensitivity;
a wireless sensitivity determining unit 430, configured to increase the radio frequency transmission power by 1 dbm/time if the error rate of the packet is greater than a preset threshold; and when the error rate of the message is less than or equal to a preset threshold, taking the current radio frequency transmission power as the wireless sensitivity.
Preferably, the wireless sensitivity determination unit includes:
and the error rate determining subunit is used for determining the error rate of the radio frequency transmitting power according to the error code in the transmission/the total number of the transmitted codes multiplied by 100 percent.
By the radio frequency technology-based wireless sensitivity testing method and device, outdoor tension testing is not needed, the variable is single, the result is more accurate, a testing environment can be set up indoors, the testing process is simplified, and the testing time is shortened. The problem of inaccurate wireless sensitivity of prior art test radio frequency signal is solved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention.
Claims (4)
1. A wireless sensitivity test method based on radio frequency technology is characterized by comprising the following steps:
setting an initial value of radio frequency power of a radio frequency signal source, and analyzing a message sent by the radio frequency signal source;
if the error rate of the message is less than or equal to a preset threshold value, reducing the radio frequency transmitting power by 1 dbm/time; when the error rate of the message is greater than a preset threshold value, increasing the current radio frequency transmitting power by 1dbm and then using the current radio frequency transmitting power as the wireless sensitivity;
if the error rate of the message is greater than a preset threshold value, increasing the radio frequency transmitting power by 1 dbm/time; and when the error rate of the message is less than or equal to a preset threshold, taking the current radio frequency transmission power as the wireless sensitivity.
2. The method of claim 1, wherein the error rate of the message is determined based on 100% error in transmission/total number of transmitted codes.
3. A radio frequency technology-based wireless sensitivity testing device is characterized by comprising:
the analysis unit is used for setting an initial value of the radio frequency power of the radio frequency signal source and analyzing a message sent by the radio frequency signal source;
a wireless sensitivity determining unit, which reduces the radio frequency transmitting power by 1 dbm/time if the error rate of the message is less than or equal to a preset threshold; when the error rate of the message is greater than a preset threshold value, increasing the current radio frequency transmitting power by 1dbm and then using the current radio frequency transmitting power as the wireless sensitivity;
a wireless sensitivity determining unit, which increases the radio frequency transmitting power by 1 dbm/time if the error rate of the message is larger than a preset threshold; and when the error rate of the message is less than or equal to a preset threshold, taking the current radio frequency transmission power as the wireless sensitivity.
4. The apparatus of claim 3, wherein the wireless sensitivity determination unit comprises:
and the error rate determining subunit is used for determining the error rate of the radio frequency transmitting power according to the error code in the transmission/the total number of the transmitted codes multiplied by 100 percent.
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| CN202110591116.7A CN113422656A (en) | 2021-05-28 | 2021-05-28 | Radio frequency technology-based wireless sensitivity testing method and device |
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| CN202110591116.7A CN113422656A (en) | 2021-05-28 | 2021-05-28 | Radio frequency technology-based wireless sensitivity testing method and device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324987A (en) * | 2011-07-07 | 2012-01-18 | 惠州Tcl移动通信有限公司 | TIS (Total Isotropic Sensitivity) testing method for GSM (Global System for Mobile Communication) mobile terminal |
| CN104022836A (en) * | 2014-05-21 | 2014-09-03 | 北京邮电大学 | Multi-mode mobile terminal TIS testing system and method thereof |
| CN107566053A (en) * | 2017-08-31 | 2018-01-09 | Tcl通力电子（惠州）有限公司 | Method and system for testing radio frequency index and computer readable storage medium |
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- 2021-05-28 CN CN202110591116.7A patent/CN113422656A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324987A (en) * | 2011-07-07 | 2012-01-18 | 惠州Tcl移动通信有限公司 | TIS (Total Isotropic Sensitivity) testing method for GSM (Global System for Mobile Communication) mobile terminal |
| CN104022836A (en) * | 2014-05-21 | 2014-09-03 | 北京邮电大学 | Multi-mode mobile terminal TIS testing system and method thereof |
| CN107566053A (en) * | 2017-08-31 | 2018-01-09 | Tcl通力电子（惠州）有限公司 | Method and system for testing radio frequency index and computer readable storage medium |
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