Acceptance method for introducing RD sky signal into indoor environment

Abstract

The present application relates to the field of communication technology, and in particular to a method for indoor acceptance of the introduction of RD sky signals, the method comprising: the BeiDou-3 short message communication module to be tested transmits the RD sky signal, transmits the sky signal to the 5dB gain antenna through the cable assembly, receives the S frequency signal broadcast by the satellite, and transmits it to the BeiDou-3 short message communication module through the 5dB gain antenna and the radio frequency cable assembly; obtains a plurality of the BeiDou-3 short message communication modules to be tested, and based on the test card, test fixture and test system, performs a short message communication success rate test on each of the BeiDou-3 short message communication modules to be tested through the radio frequency cable communication process and records the highest carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, and the results of the communication success rate and the highest carrier-to-noise ratio are used for indoor acceptance of the introduction of RD sky signals. The difficulty of detecting RD sky signals is reduced, and the detection accuracy and test efficiency are also improved.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to a method for indoor acceptance of RD antenna signals. Background Art

[0002] With the continuous development of technology, the application of Beidou system in various industries is becoming more and more extensive and in-depth. In transportation, electricity, agriculture, fishery and other industries, Beidou's RNSS positioning can provide location positioning, timing and other services. In addition, the short message communication function based on Beidou system RDSS also plays an important role in these fields, such as emergency rescue, location tracking, information interaction and other applications. RDSS is one of the key components in Beidou system to realize data link communication, data transmission and data collection. The stability of its performance and functions is crucial to the normal operation of Beidou system. At present, users cannot intuitively judge whether the current Beidou system RDSS function is available, and it is difficult to detect the RD to sky communication function. Therefore, how to improve the detection accuracy of RD to sky signal and the test efficiency needs to be solved urgently. Summary of the invention

[0003] The main purpose of this application is to provide a method for indoor acceptance of RD sky signals, aiming to improve detection efficiency.

[0004] In order to achieve the above-mentioned invention object, the present application proposes a method for indoor acceptance of RD sky signal introduction, comprising:

[0005] The BeiDou-3 short message communication module to be tested transmits an L-frequency RD sky signal set to 1614.26±4.08 MHz, and transmits the L-frequency RD sky signal to an antenna with a gain of 5 dB through a radio frequency cable assembly, wherein the radio frequency cable assembly includes a radio frequency cable and a converter;

[0006] Receive the S frequency signal broadcast by the satellite, and transmit it to the BeiDou-3 short message communication module to be tested through a 5dB gain antenna and a radio frequency cable assembly connected to the antenna; obtain multiple BeiDou-3 short message communication modules to be tested, and perform a short message communication success rate test on each BeiDou-3 short message communication module to be tested through the radio frequency cable communication process based on the test card, test fixture and test system, and record the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, and obtain the communication success rate of the radio frequency cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested;

[0007] Based on the communication success rate and the maximum carrier-to-noise ratio, the introduction of RD sky signals into the indoor environment is accepted.

[0008] Further, before the step of obtaining a plurality of the BeiDou-3 short message communication modules to be tested, performing a short message communication success rate test on each of the BeiDou-3 short message communication modules to be tested through the radio frequency cable communication process based on the test card, the test fixture and the test system and recording the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, and obtaining the communication success rate of the radio frequency cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, the steps include:

[0009] Based on the test tooling and the spectrum analyzer, a transmission power test is performed on each BeiDou-3 short message communication module to be tested, and an initial transmission power of each BeiDou-3 short message communication module to be tested is obtained;

[0010] Based on the test tooling and the test system, a carrier-to-noise ratio source test is performed on each of the BeiDou-3 short message communication modules to be tested to obtain an initial carrier-to-noise ratio of each of the BeiDou-3 short message communication modules to be tested.

[0011] Further, after the step of performing a carrier-to-noise ratio source test on each of the BeiDou-3 short message communication modules to be tested based on the test fixture and the test system to obtain an initial carrier-to-noise ratio of each of the BeiDou-3 short message communication modules to be tested, the method further comprises:

[0012] Based on the results of the initial transmission power and the initial carrier-to-noise ratio, it is determined whether the initial state of each Beidou-3 short message communication module to be tested is qualified.

[0013] Further, the test tooling and the spectrum analyzer are used to test the transmission power of each BeiDou-3 short message communication module to be tested, and the initial transmission power of each BeiDou-3 short message communication module to be tested is obtained, including:

[0014] Installing the BeiDou-3 short message communication module to be tested at a predetermined position of the test fixture;

[0015] Connecting the L radio frequency interface of the test fixture to the radio frequency input port of the spectrum analyzer through an attenuator;

[0016] The initial transmission power of each BeiDou-3 short message communication module to be tested is read on the spectrum analyzer based on a serial port tool.

[0017] Further, the carrier-to-noise ratio source test is performed on each of the BeiDou-3 short message communication modules to be tested based on the test fixture and the test system to obtain the initial carrier-to-noise ratio of each of the BeiDou-3 short message communication modules to be tested, including:

[0018] Installing the BeiDou-3 short message communication module to be tested at a predetermined position of the test fixture;

[0019] Connecting the S radio frequency interface of the test fixture to the test input port of the test system;

[0020] The RDSS simulator is set based on the test software to broadcast the S2C satellite signal to the module to be tested, and the serial port data of the BeiDou-3 short message communication module to be tested is obtained;

[0021] The initial carrier-to-noise ratio of the BeiDou-3 short message communication module to be tested is obtained based on the serial port data.

[0022] Further, based on the test card, the test fixture and the test system, the short message communication success rate test is performed on each of the BeiDou-3 short message communication modules to be tested in the process of communicating through the radio frequency cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested is recorded, and the communication success rate of the radio frequency cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested are obtained, including:

[0023] Installing the test card and the BeiDou-3 short message communication module to be tested at a predetermined position of the test tool;

[0024] Connect the L RF interface and the S RF interface of the RF cable to the L RF interface and the S RF interface of the test tooling accordingly;

[0025] Connecting the S radio frequency interface of the test fixture to the test input port of the test system;

[0026] The test system sets a self-transmitting and self-receiving mode so that the BeiDou-3 short message communication module to be tested sends multiple short messages;

[0027] Receive the short message successfully sent by the BeiDou-3 short message communication module to be tested;

[0028] The communication success rate of the radio frequency cable is obtained based on the number of short messages sent and the number of short messages successfully received.

[0029] Further, the acceptance of the introduction of RD sky signal into the room based on the communication success rate and the highest carrier-to-noise ratio includes:

[0030] Determining whether the communication success rate and the maximum carrier-to-noise ratio are respectively within a predetermined range;

[0031] If yes, it means that the RF cable meets the communication requirements for introducing RD antenna signals into the room;

[0032] If not, it means that the RF cable does not meet the communication requirements for introducing RD antenna signals into the room.

[0033] An indoor acceptance device for introducing RD sky signals comprises:

[0034] The BeiDou-3 short message communication module to be tested transmits an L-frequency RD sky signal set to 1614.26±4.08 MHz, and transmits the L-frequency RD sky signal to an antenna with a gain of 5 dB through a radio frequency cable assembly, wherein the radio frequency cable assembly includes a radio frequency cable and a converter;

[0035] The S frequency signal broadcast by the satellite is transmitted to the BeiDou-3 short message communication module to be tested through a 5dB gain antenna and a radio frequency cable assembly connected to the antenna; a data acquisition module is used to acquire multiple BeiDou-3 short message communication modules to be tested, and based on the test card, test fixture and test system, a short message communication success rate test is performed on each BeiDou-3 short message communication module to be tested in the process of communicating through the radio frequency cable, and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested is recorded, and the communication success rate of the radio frequency cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested are acquired;

[0036] The acceptance module accepts the introduction of RD sky signals into the room based on the communication success rate and the highest carrier-to-noise ratio.

[0037] The present application also provides a computer device, including a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program, the steps of the above-mentioned RD method for indoor acceptance of the introduction of aerial signals are implemented.

[0038] The present application also provides a computer-readable medium having a computer program stored thereon, and when the computer program is executed by a processor, the steps of the above-mentioned RD indoor acceptance method for introducing a sky signal are implemented.

[0039] The present application relates to the field of communication technology, and in particular to a method, device, computer equipment and medium for indoor acceptance of RD sky signals. The method comprises: setting the transmission L frequency point of the Beidou-3 short message communication module to be tested to 1614.26±4.08 MHzRD sky signal, through the RF cable assembly, the RD transmission L frequency RD sky signal is transmitted to the antenna with 5dB gain of the BeiDou-3 short message communication module to be tested, wherein the RF cable assembly includes a RF cable and a converter; the S frequency signal broadcast by the satellite is received, and it is transmitted to the BeiDou-3 short message communication module through the 5dB gain antenna and the RF cable assembly; a plurality of the BeiDou-3 short message communication modules to be tested are obtained, and the short message communication success rate test is performed on each BeiDou-3 short message communication module to be tested through the RF cable communication process based on the test card, the test fixture and the test system, and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested is recorded, and the communication success rate of the RF cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested are obtained; based on the results of the communication success rate and the maximum carrier-to-noise ratio, the RD sky signal is introduced into the room for acceptance. Through the above method, the difficulty of detecting the RD sky signal is reduced, and the detection accuracy and test efficiency are also improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 This is a flow chart of the first embodiment of the method for indoor acceptance of RD antenna signals in this application;

[0041] Figure 2 This is a flow chart of a second embodiment of the method for indoor acceptance of RD sky signals in this application;

[0042] Figure 3 This is a flow chart of a third embodiment of the method for accepting indoor RD signals from the sky in this application;

[0043] Figure 4 This is a flow chart of a fourth embodiment of the method for accepting indoor RD signals from the sky in this application;

[0044] Figure 5 This is a flowchart of a fifth embodiment of the method for indoor acceptance of RD sky signals of the present application;

[0045] Figure 6 This is a flow chart of a sixth embodiment of the method for accepting indoor RD signals from the sky in this application;

[0046] Figure 7 This is a flow chart of the seventh embodiment of the method for accepting indoor RD signals from the sky in the present application;

[0047] Figure 8 This is a schematic diagram of the structure of the indoor acceptance device for introducing RD sky signals into the present application;

[0048] Fig. 9 This is a schematic block diagram of the structure of an embodiment of a computer device of the present application.

[0049] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0050] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0051] Reference Figure 1 The embodiment of the present application provides a method for accepting the introduction of RD antenna signals into indoor spaces, including steps S10-S40. The detailed description of each step of the method for accepting the introduction of RD antenna signals into indoor spaces is as follows.

[0052] S10, the BeiDou-3 short message communication module to be tested transmits an L frequency point set to 1614.26±4.08 MHzRD sky signal, and transmits the L frequency point RD sky signal to an antenna with a gain of 5dB through a radio frequency cable assembly. The BeiDou-3 short message communication module to be tested transmits a first L frequency point set to 1614.26±4.08 MHzRD sky signal, and transmits the first RD transmission L frequency point RD sky signal to an antenna with a gain of 5dB of the BeiDou-3 short message communication module to be tested through a radio frequency cable assembly, wherein the radio frequency cable assembly includes a radio frequency cable and a converter;

[0053] In this embodiment, specifically, in one embodiment, the establishment of the RD-to-sky signal environment: a 30m cable is selected, the cable model is LMR600, the passive antenna vertex gain is 5dB, the antenna is waterproof to IP66, the antenna is placed on the roof, facing southeast, the angle is 45° to 50°, the distance between the two antennas is greater than 3 meters, and the 5W transmitting EIRP module, the antenna transmits the RD-to-sky signal through the transmitter, based on the LMR600 cable and adapter, receives the S frequency signal broadcast by the satellite, and transmits it to the Beidou-3 short message communication module to be tested through the 5dB gain antenna and the RF cable assembly; in this embodiment, the DM222 module is selected, and there is no specific limitation.

[0054] S20, receiving the S frequency signal broadcast by the satellite, and transmitting it to the BeiDou-3 short message communication module to be tested through a 5dB gain antenna and a radio frequency cable assembly connected to the antenna;

[0055] In this embodiment, in one embodiment, a 5dB gain antenna specifically used for receiving S frequency signals is selected, and the antenna is connected to a radio frequency cable, which is connected to the output interface of the antenna. The antenna starts to receive the S frequency signal broadcast by the satellite. The signal is transmitted to the next stage through the radio frequency cable, and the radio frequency cable transmits the signal to the Beidou-3 short message communication module to be tested and connects the radio frequency cable to the input interface of the Beidou-3 module. The Beidou-3 module decodes the received signal and performs corresponding processing. In this embodiment, processing operations such as parsing the short message content and verifying the data integrity are included.

[0056] S30, obtaining a plurality of the BeiDou-3 short message communication modules to be tested, performing a short message communication success rate test on each of the BeiDou-3 short message communication modules to be tested through the radio frequency cable communication process based on the test card, the test fixture and the test system, and recording the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, and obtaining the communication success rate of the radio frequency cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested;

[0057] In this embodiment, the above steps specifically include: installing the test card and the BeiDou-3 short message communication module to be tested at a predetermined position of the test fixture; correspondingly connecting the L RF interface and the S RF interface of the RF cable to the L RF interface and the S RF interface of the test fixture; connecting the S RF interface of the test fixture to the test input port of the test system; setting the self-transmitting and self-receiving mode based on the test system to make the BeiDou-3 short message communication module to be tested send multiple short messages; receiving the short message successfully sent by the BeiDou-3 short message communication module to be tested; obtaining the communication success rate of the RF cable based on the number of short messages sent and the number of short messages successfully received. In one embodiment, when the highest carrier-to-noise ratio and the corresponding beam number of 5 BeiDou-3 short message communication modules to be tested are recorded during the test of 1000 Chinese characters, the carrier-to-noise ratio of each module for 2 hours is counted, and the test time period is recorded. When the highest carrier-to-noise ratio ranges from 46dB to 48dB, a carrier-to-noise ratio lower than 46dB indicates that the current test environment does not meet the RD communication function test requirements.

[0058] S40, based on the communication success rate and the maximum carrier-to-noise ratio, acceptance is performed on the introduction of the RD antenna signal into the room;

[0059] In this embodiment, the acceptance of the introduction of the RD to the antenna signal into the room based on the results of the communication success rate and the maximum carrier-to-noise ratio includes: judging whether the communication success rate and the maximum carrier-to-noise ratio are respectively within a predetermined range; if so, it means that the RF cable meets the communication requirements for the introduction of the RD to the antenna signal into the room; if not, it means that the RF cable does not meet the communication requirements for the introduction of the RD to the antenna signal into the room.

[0060] In one embodiment, the steps of obtaining a plurality of the BeiDou-3 short message communication modules to be tested, performing a short message communication success rate test on each of the BeiDou-3 short message communication modules to be tested through the RF cable communication process based on the test card, the test tooling and the test system and recording the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, and obtaining the communication success rate of the RF cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, include: performing a transmission power test on each BeiDou-3 short message communication module to be tested based on the test tooling and the spectrum analyzer to obtain the initial transmission power of each BeiDou-3 short message communication module to be tested; performing a carrier-to-noise ratio source test on each BeiDou-3 short message communication module to be tested based on the test tooling and the test system to obtain the initial carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested.

[0061] In this embodiment, a transmission power test is performed on each BeiDou-3 short message communication module to be tested based on a test tool and a spectrum analyzer to obtain the initial transmission power of each BeiDou-3 short message communication module to be tested, including: installing the BeiDou-3 short message communication module to be tested at a predetermined position of the test tool; connecting the L radio frequency interface of the test tool to the radio frequency input port of the spectrum analyzer through an attenuator; and reading the initial transmission power of each BeiDou-3 short message communication module to be tested on the spectrum analyzer based on a serial port tool. The method of performing a carrier-to-noise ratio source test on each BeiDou-3 short message communication module to be tested based on the test tool and the test system to obtain the initial carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested includes: installing the BeiDou-3 short message communication module to be tested at a predetermined position of the test tool; connecting the S radio frequency interface of the test tool to the test input port of the test system; setting the RDSS simulator to broadcast the S2C satellite signal to the module to be tested based on the test software to obtain the serial port data of the BeiDou-3 short message communication module to be tested; and obtaining the initial carrier-to-noise ratio of the BeiDou-3 short message communication module to be tested based on the serial port data.

[0062] In one embodiment, after the step of performing a carrier-to-noise ratio source test on each BeiDou-3 short message communication module to be tested based on the test tooling and the test system to obtain the initial carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, the step further includes: determining whether the initial state of each BeiDou-3 short message communication module to be tested is qualified based on the results of the initial transmit power and the initial carrier-to-noise ratio.

[0063] In this embodiment, specifically, in one embodiment, the transmission power of the BeiDou-3 short message communication module to be tested meets 5dBw, meeting the power requirement of 5 to 8.5dBw. At the S2C outbound signal of -123.8dBm and 24kbps rate, the receiving carrier-to-noise ratio of the BeiDou-3 short message communication module to be tested is 52, meeting the carrier-to-noise ratio requirement of greater than or equal to 50, indicating that the initial state of the BeiDou-3 short message communication module to be tested is qualified.

[0064] In one embodiment, the transmission power test of each BeiDou-3 short message communication module to be tested is performed based on the test tool and the spectrum analyzer to obtain the initial transmission power of each BeiDou-3 short message communication module to be tested, including: installing the BeiDou-3 short message communication module to be tested at a predetermined position of the test tool; connecting the L radio frequency interface of the test tool to the radio frequency input port of the spectrum analyzer through an attenuator; and reading the initial transmission power of each BeiDou-3 short message communication module to be tested on the spectrum analyzer based on a serial port tool.

[0065] In this embodiment, specifically, in one embodiment, 5 BeiDou-3 short message communication modules to be tested are randomly selected, and the BeiDou-3 short message communication modules to be tested are subjected to a transmission EIRP test, and the current limit of the DC regulated power supply is set to 3A, and the voltage output is the input voltage range of the "module to be tested". The module is installed on the test fixture, the test environment is set up, and the L RF port of the test fixture is connected to the spectrum analyzer through a 30dB attenuator. The spectrum analyzer sets the center frequency to 1614.26MHz, the SPAN to 10kHz, and the amplitude to 10dBm. The serial port is connected to the computer, and the serial port tool Comtool.exe of the computer is opened. "CSHG IbEn1" tests the transmission power, and the initial transmission power is read on the spectrum analyzer. When the range of 5dBW to 8.5dBW is met, it means that the BeiDou-3 short message communication module to be tested is qualified.

[0066] In one embodiment, the carrier-to-noise ratio source test is performed on each BeiDou-3 short message communication module to be tested based on the test tool and the test system to obtain the initial carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, including: installing the BeiDou-3 short message communication module to be tested at a predetermined position of the test tool; connecting the S radio frequency interface of the test tool to the test input port of the test system; setting the RDSS simulator to broadcast the S2C satellite signal to the module to be tested based on the test software to obtain the serial port data of the BeiDou-3 short message communication module to be tested; and obtaining the initial carrier-to-noise ratio of the BeiDou-3 short message communication module to be tested based on the serial port data.

[0067] In this embodiment, specifically, in one embodiment, the BeiDou-3 short message communication modules to be tested are subjected to BeiDou-3 carrier-to-noise ratio source test, and the test method is as follows: connect the S interface of the test tooling to the BeiDou-3 test system; broadcast the S2C signal with a power of -123.8dBm and a rate of 24kbps; check the module serial port data, and the carrier-to-noise ratio of the BDPWI statement is ≥50; when the received carrier-to-noise ratio test result meets the index requirement of being greater than or equal to 50, it indicates that the BeiDou-3 short message communication module to be tested is qualified.

[0068] In one embodiment, the short message communication success rate test is performed on each BeiDou-3 short message communication module to be tested in the process of communicating through the RF cable based on the test card, the test tool and the test system, and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested is recorded to obtain the communication success rate of the RF cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, including: installing the test card and the BeiDou-3 short message communication module to be tested at a predetermined position of the test tool; correspondingly connecting the L RF interface and the S RF interface of the RF cable and the L RF interface and the S RF interface of the test tool; connecting the S RF interface of the test tool to the test input port of the test system; setting the self-transmitting and self-receiving mode based on the test system to enable the BeiDou-3 short message communication module to be tested to send multiple short messages; receiving the short message successfully sent by the BeiDou-3 short message communication module to be tested; and obtaining the communication success rate of the RF cable based on the number of short messages sent and the number of short messages successfully received.

[0069] In this embodiment, specifically, in one embodiment, 5 Beidou-3 short message communication modules to be tested are selected, and the communication success rate of 100 1000 Chinese characters is greater than or equal to 95%. The Beidou-3 test card is installed on the SIM card holder of the test tooling; the Beidou antenna is installed on the S and L interfaces of the test tooling; the RD Beidou-3 test system test software is opened, the receiving serial port number is set, the baud rate is 115200bps, the Beidou-3 test column of the test software is selected, the local card number is entered as the communication address, 1000 Chinese characters are selected, and self-transmission and self-reception are adopted to test 100 short message communications. When the communication success rate is greater than or equal to 95%, it means that the current test environment meets the RD space communication function test requirements.

[0070] In one embodiment, the acceptance of the introduction of RD to antenna signal into indoor space based on the results of the communication success rate and the maximum carrier-to-noise ratio includes: judging whether the communication success rate and the maximum carrier-to-noise ratio are respectively within predetermined ranges; if so, it indicates that the RF cable meets the communication requirements for the introduction of RD to antenna signal into indoor space; if not, it indicates that the RF cable does not meet the communication requirements for the introduction of RD to antenna signal into indoor space.

[0071] In this embodiment, specifically, in one embodiment, the communication success rate of the BeiDou-3 short message communication module to be tested is tested by the LMR600 radio frequency cable, and the communication success rate of 100 1000 Chinese characters is selected. Self-transmission and self-reception are adopted to test 100 short message communications. In this embodiment, the communication success rate of the BeiDou-3 short message communication module to be tested is 96%, which meets the standard range of greater than or equal to 95%. When measuring the 1000 Chinese character communication, the highest carrier-to-noise ratios of 5 BeiDou-3 short message communication modules to be tested are recorded. In this embodiment, the highest carrier-to-noise ratio of the BeiDou-3 short message communication module to be tested is 47dB, and the range of the highest carrier-to-noise ratio is 46dB-48dB. The test environment of each workstation meets the RD to sky communication function test requirements. In another embodiment, the RDSS simulator is set to broadcast satellite signals of 8 S2C beams to the device under test; the power level of the S2C satellite signal broadcast by the RDSS simulator is set so that the signal power level at the 4° elevation angle of the antenna aperture under test is -123.8dBm; the BeiDou-3 short message communication module to be tested outputs the received beam information and records the information. The test result analysis step includes: analyzing the recorded beam information, calculating the number of beams, and if the number of beams is 8, determining that the test environment meets the RD-to-space communication function test requirements.

[0072] Reference Figure 8 The present application provides an indoor acceptance device for introducing RD sky signals, the device comprising:

[0073] The transmitting module 10 transmits a first L frequency point RD sky signal set to 1614.26±4.08MHz by the BeiDou-3 short message communication module to be tested. The first RD transmitting L frequency point RD sky signal is transmitted to the antenna with a gain of 5dB of the BeiDou-3 short message communication module to be tested through a radio frequency cable assembly, wherein the radio frequency cable assembly includes a radio frequency cable and a converter;

[0074] The receiving module 20 receives the S frequency signal broadcast by the second satellite, and transmits it to the BeiDou-3 short message communication module based on the 5dB gain antenna and the RF cable assembly;

[0075] The data acquisition module 30 acquires a plurality of the BeiDou-3 short message communication modules to be tested, performs a short message communication success rate test on each BeiDou-3 short message communication module to be tested through the radio frequency cable communication process based on the test card, the test fixture and the test system, and records the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, and acquires the communication success rate of the radio frequency cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested;

[0076] The acceptance module 40 accepts the introduction of the RD antenna signal into the room based on the communication success rate and the highest carrier-to-noise ratio.

[0077] As described above, it can be understood that the various components of the RD indoor acceptance device for introducing aerial signals proposed in the present application can realize the functions of the RD indoor acceptance method for introducing aerial signals described above.

[0078] In one embodiment, the data acquisition module 30 further includes executing:

[0079] Based on the test tooling and the spectrum analyzer, a transmission power test is performed on each BeiDou-3 short message communication module to be tested, and an initial transmission power of each BeiDou-3 short message communication module to be tested is obtained;

[0080] Based on the test tooling and the test system, a carrier-to-noise ratio source test is performed on each of the BeiDou-3 short message communication modules to be tested to obtain an initial carrier-to-noise ratio of each of the BeiDou-3 short message communication modules to be tested.

[0081] In one embodiment, the data acquisition module 30 further includes executing:

[0082] Based on the results of the initial transmission power and the initial carrier-to-noise ratio, it is determined whether the initial state of each Beidou-3 short message communication module to be tested is qualified.

[0083] In one embodiment, the data acquisition module 30 further includes executing:

[0084] Installing the BeiDou-3 short message communication module to be tested at a predetermined position of the test fixture;

[0085] Connecting the L radio frequency interface of the test fixture to the radio frequency input port of the spectrum analyzer through an attenuator;

[0086] The initial transmission power of each BeiDou-3 short message communication module to be tested is read on the spectrum analyzer based on a serial port tool.

[0087] In one embodiment, the data acquisition module 30 further includes executing:

[0088] Installing the BeiDou-3 short message communication module to be tested at a predetermined position of the test fixture;

[0089] Connecting the S radio frequency interface of the test fixture to the test input port of the test system;

[0090] The RDSS simulator is set based on the test software to broadcast the S2C satellite signal to the module to be tested, and the serial port data of the BeiDou-3 short message communication module to be tested is obtained;

[0091] The initial carrier-to-noise ratio of the BeiDou-3 short message communication module to be tested is obtained based on the serial port data.

[0092] In one embodiment, the data acquisition module 30 further includes executing:

[0093] Installing the test card and the BeiDou-3 short message communication module to be tested at a predetermined position of the test tool;

[0094] Connect the L RF interface and the S RF interface of the RF cable to the L RF interface and the S RF interface of the test tooling accordingly;

[0095] Connecting the S radio frequency interface of the test fixture to the test input port of the test system;

[0096] The test system sets a self-transmitting and self-receiving mode so that the BeiDou-3 short message communication module to be tested sends multiple short messages;

[0097] Receive the short message successfully sent by the BeiDou-3 short message communication module to be tested;

[0098] The communication success rate of the radio frequency cable is obtained based on the number of short messages sent and the number of short messages successfully received.

[0099] In one embodiment, the acceptance module 40 further includes executing:

[0100] Determining whether the communication success rate and the maximum carrier-to-noise ratio are respectively within a predetermined range;

[0101] If yes, it means that the RF cable meets the communication requirements for introducing RD antenna signals into the room;

[0102] If not, it means that the RF cable does not meet the communication requirements for introducing RD antenna signals into the room.

[0103] Reference Fig. 9 In an embodiment of the present application, a computer device is also provided, the internal structure of which can be as follows: Fig. 9 As shown. The computer device includes a processor, a memory, a network interface, a display device and an input device connected through a system bus. Among them, the network interface of the computer device is used to communicate with an external terminal through a network connection. The display device of the computer device is used to display an interactive page. The input device of the computer device is used to receive user input. The processor designed for the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile medium. The non-volatile medium stores an operating system, a computer program and a database. The database of the computer device is used to store raw data. When the computer program is executed by the processor, the RD acceptance method for introducing sky signals into the room is realized.

[0104] The processor executes the method for indoor acceptance of the RD sky signal, which includes: the first L frequency point of the Beidou-3 short message communication module to be tested is set to 1614.26±4.08 MHzRD sky signal, based on the RF cable assembly, the first RD transmission L frequency RD sky signal is transmitted to the antenna with 5dB gain of the BeiDou-3 short message communication module to be tested, wherein the RF cable assembly includes a RF cable and a converter; the S frequency signal broadcast by the second satellite is received, and the 5dB gain antenna and the RF cable assembly are used to transmit it to the BeiDou-3 short message communication module; a plurality of the BeiDou-3 short message communication modules to be tested are obtained, and the short message communication success rate test is performed on each BeiDou-3 short message communication module to be tested through the RF cable communication process based on the test card, the test fixture and the test system, and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested is recorded, and the communication success rate of the RF cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested are obtained; based on the communication success rate and the maximum carrier-to-noise ratio, the RD sky signal is introduced into the room for acceptance. Through the above method, the difficulty of detecting the RD sky signal is reduced, and the detection accuracy and test efficiency are also improved.

[0105] The present application also provides a computer-readable medium having a computer program stored thereon. When the computer program is executed by the processor, the RD sky signal introduction indoor acceptance method is implemented. The first L frequency point of the Beidou-3 short message communication module to be tested is set to 1614.26±4.08 MHzRD sky signal, transmit the first RD transmission L frequency RD sky signal to the antenna with 5dB gain of the BeiDou-3 short message communication module to be tested based on the RF cable assembly, wherein the RF cable assembly includes a RF cable and a converter; receive the S frequency signal broadcast by the second satellite, and transmit it to the BeiDou-3 short message communication module based on the 5dB gain antenna and the RF cable assembly; obtain multiple BeiDou-3 short message communication modules to be tested, and perform a short message communication success rate test on each BeiDou-3 short message communication module to be tested through the RF cable communication process based on the test card, the test fixture and the test system, and record the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, obtain the communication success rate of the RF cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested; based on the results of the communication success rate and the maximum carrier-to-noise ratio, the RD sky signal is introduced into the room for acceptance.

[0106] The computer-readable medium provides a method for indoor acceptance of RD sky signals. The first L frequency point of the BeiDou-3 short message communication module to be tested is set to 1614.26±4.08 MHzRD sky signal, based on the RF cable assembly, the first RD transmission L frequency RD sky signal is transmitted to the antenna with 5dB gain of the BeiDou-3 short message communication module to be tested, wherein the RF cable assembly includes a RF cable and a converter; the S frequency signal broadcast by the second satellite is received, and the 5dB gain antenna and the RF cable assembly are used to transmit it to the BeiDou-3 short message communication module; a plurality of the BeiDou-3 short message communication modules to be tested are obtained, and the short message communication success rate test is performed on each BeiDou-3 short message communication module to be tested through the RF cable communication process based on the test card, the test fixture and the test system, and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested is recorded, and the communication success rate of the RF cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested are obtained; based on the communication success rate and the maximum carrier-to-noise ratio, the RD sky signal is introduced into the room for acceptance. Through the above method, the difficulty of detecting the RD sky signal is reduced, and the detection accuracy and test efficiency are also improved.

[0107] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media provided in this application and used in the embodiments may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. As an illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double-speed data rate SDRAM (SSRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

[0108] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, device, article or method including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, device, article or method. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the existence of other identical elements in the process, device, article or method including the element.

[0109] The above description is only a preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. The RD sky signal introduction indoor acceptance method is characterized by: The method comprises: The BeiDou-3 short message communication module to be tested transmits an L-frequency RD sky signal with the frequency set to 1614.26±4.08 MHz, and transmits the L-frequency RD sky signal to an antenna with a gain of 5 dB through a radio frequency cable assembly, wherein the radio frequency cable assembly includes a radio frequency cable and a converter; Receive the S-frequency signal broadcast by the satellite, and transmit it to the BeiDou-3 short message communication module to be tested through a 5dB gain antenna and a radio frequency cable assembly connected to the antenna; Acquire multiple BeiDou-3 short message communication modules to be tested, perform a short message communication success rate test on each BeiDou-3 short message communication module to be tested through the above-mentioned RF cable communication process based on the test card, test fixture and test system, and record the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, and obtain the communication success rate of the RF cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested; Based on the communication success rate and the maximum carrier-to-noise ratio, acceptance is performed on the introduction of the RD antenna signal into the room; Acquire multiple BeiDou-3 short message communication modules to be tested, perform a short message communication success rate test on each BeiDou-3 short message communication module to be tested through a radio frequency cable communication process based on a test card, a test fixture, and a test system, and record the highest carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, and obtain the communication success rate of the radio frequency cable and the highest carrier-to-noise ratio of each BeiDou short message communication module to be tested, before the step includes: Based on the test tooling and the spectrum analyzer, a transmission power test is performed on each BeiDou-3 short message communication module to be tested, and an initial transmission power of each BeiDou-3 short message communication module to be tested is obtained; Based on the test tool and the test system, a carrier-to-noise ratio source test is performed on each of the BeiDou-3 short message communication modules to be tested, and an initial carrier-to-noise ratio of each of the BeiDou-3 short message communication modules to be tested is obtained; After the step of performing a carrier-to-noise ratio source test on each of the BeiDou-3 short message communication modules to be tested based on the test fixture and the test system to obtain an initial carrier-to-noise ratio of each of the BeiDou-3 short message communication modules to be tested, the method further comprises: Determine whether the initial state of each of the BeiDou-3 short message communication modules to be tested is qualified based on the results of the initial transmission power and the initial carrier-to-noise ratio; The test tooling and the spectrum analyzer are used to test the transmission power of each BeiDou-3 short message communication module to be tested, and the initial transmission power of each BeiDou-3 short message communication module to be tested is obtained, including: Installing the BeiDou-3 short message communication module to be tested at a predetermined position of the test fixture; Connecting the L radio frequency interface of the test fixture to the radio frequency input port of the spectrum analyzer through an attenuator; Based on the serial port tool, the initial transmission power of each BeiDou-3 short message communication module to be tested is read on the spectrum analyzer; The performing a carrier-to-noise ratio source test on each of the BeiDou-3 short message communication modules to be tested based on the test tool and the test system to obtain an initial carrier-to-noise ratio of each of the BeiDou-3 short message communication modules to be tested includes: Installing the BeiDou-3 short message communication module to be tested at a predetermined position of the test fixture; Connecting the S radio frequency interface of the test fixture to the test input port of the test system; The RDSS simulator is set based on the test software to broadcast the S2C satellite signal to the module to be tested, and the serial port data of the BeiDou-3 short message communication module to be tested is obtained; Acquire the initial carrier-to-noise ratio of the BeiDou-3 short message communication module to be tested based on the serial port data; The method of performing a short message communication success rate test on each BeiDou-3 short message communication module to be tested in the process of communicating through the radio frequency cable based on the test card, the test fixture and the test system and recording the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, and obtaining the communication success rate of the radio frequency cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, includes: Installing the test card and the BeiDou-3 short message communication module to be tested at a predetermined position of the test tool; Connect the L RF interface and the S RF interface of the RF cable to the L RF interface and the S RF interface of the test tooling accordingly; Connecting the S radio frequency interface of the test fixture to the test input port of the test system; The test system sets a self-transmitting and self-receiving mode so that the BeiDou-3 short message communication module to be tested sends multiple short messages; Receive the short message successfully sent by the BeiDou-3 short message communication module to be tested; The communication success rate of the radio frequency cable is obtained based on the number of short messages sent and the number of short messages successfully received.

2. The method for indoor acceptance of RD sky signal introduction according to claim 1, characterized in that: The acceptance of the introduction of RD sky signal into the room based on the communication success rate and the highest carrier-to-noise ratio includes: Determining whether the communication success rate and the maximum carrier-to-noise ratio are respectively within a predetermined range; If yes, it means that the RF cable meets the communication requirements for introducing RD antenna signals into the room; If not, it means that the RF cable does not meet the communication requirements for introducing RD antenna signals into the room.

3. An indoor acceptance device for introducing RD signals to the sky, used for using any of the indoor acceptance methods for introducing RD signals to the sky as described in claims 1-2, characterized in that: The device comprises: Transmitter module: the BeiDou-3 short message communication module to be tested transmits an RD sky signal with an L frequency point set to 1614.26±4.08 MHz, and transmits the L frequency point RD sky signal to an antenna with a gain of 5 dB through a radio frequency cable assembly, wherein the radio frequency cable assembly includes a radio frequency cable and a converter; The receiving module receives the S-frequency signal broadcast by the satellite and transmits it to the BeiDou-3 short message communication module to be tested through a 5dB gain antenna and a radio frequency cable assembly connected to the antenna; Acquire a data module, acquire a plurality of the BeiDou-3 short message communication modules to be tested, perform a short message communication success rate test on each BeiDou-3 short message communication module to be tested through the above-mentioned RF cable communication process based on the test card, the test fixture and the test system, and record the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested, and acquire the communication success rate of the RF cable and the maximum carrier-to-noise ratio of each BeiDou-3 short message communication module to be tested; The acceptance module accepts the introduction of RD sky signals into the room based on the communication success rate and the highest carrier-to-noise ratio.

4. A computer device comprising a memory and a processor, wherein the memory stores a computer program, characterized in that: When the processor executes the computer program, the steps of the method for indoor acceptance of RD sky signal introduction according to any one of claims 1 to 2 are implemented.

5. A computer readable medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method for indoor acceptance of RD sky signal introduction according to any one of claims 1 to 2 are implemented.

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