Communication terminal radio frequency performance integrated test system

Abstract

The invention relates to an integrated test system for radio frequency performance of a communication terminal. The integrated test system comprises a multi-band radio frequency conditioning module, a multi-band data acquisition and analysis module, a sky communication signal framing module, an ad hoc network signal framing module and a system control module, the system control module completes the switching of test modes according to the wave band of a tested signal, and carries out the unified control and iterative calculation of the radio frequency conditioning module, the data collection and analysis module, the ad hoc network signal framing module and the sky communication signal framing module. The test mode comprises Tiantong radio frequency index test and Ad-Hoc network index test. According to the invention, the radio frequency performance test process of different wave band signals of multiple terminals is simplified, the radio frequency performance test efficiency is improved, and the test cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of communication terminal testing, and in particular to an integrated testing system for radio frequency performance of a communication terminal. Background Art

[0002] With the development of information technology, the communication technologies and means available are becoming more and more diversified and portable. Based on Tiantong satellites, using Tiantong communication terminals, long-distance voice communications such as at sea and on expeditions can be achieved; based on adhoc network technology, using self-organizing network communication terminals, emergency communications in complex environments such as public security, fire protection, and electricity can be met.

[0003] At present, the RF performance test methods of Tiantong communication terminals and self-organizing network communication terminals are divided into two categories: one is to use Tiantong comprehensive tester and self-organizing network comprehensive tester for testing respectively; the other is to use signal source, spectrum analyzer, power probe and other special equipment to build different test systems. These two methods require large investment, long test time, high test technology difficulty and complex test system.

[0004] Therefore, it is an urgent problem to propose a test system that integrates the radio frequency performance of Tiantong / ad hoc networks. Summary of the invention

[0005] In order to solve the technical problems existing in the above-mentioned prior art, the purpose of the present invention is to provide an integrated test system for the RF performance of communication terminals, which simplifies the RF performance test process of different band signals of multiple terminals, improves the RF performance test efficiency, and reduces the test cost.

[0006] To achieve the above-mentioned purpose of the invention, the present invention provides an integrated test system for radio frequency performance of a communication terminal, including a multi-band radio frequency conditioning module, a multi-band data acquisition and analysis module, a Tiantong signal framing module, an ad hoc network signal framing module and a system control module;

[0007] The system control module completes the switching of the test mode according to the measured signal band, and uniformly controls and iteratively calculates the radio frequency conditioning module, the data acquisition and analysis module, the self-organizing network signal framing module and the Tiantong signal framing module;

[0008] The test mode includes Tiantong radio frequency index test and ad hoc network index test.

[0009] According to a technical solution of the present invention, the multi-band radio frequency conditioning module includes a radio frequency receiving conditioning module and a radio frequency transmitting conditioning module;

[0010] The RF receiving and conditioning module is used to switch the Tiantong band and the ad hoc network band according to the instructions sent by the system control module, receive the corresponding side signal, and amplify or reduce the side signal according to the signal power amplitude under the control of the system control module;

[0011] The radio frequency transmission conditioning module is used to switch the Tiantong band and the ad hoc network band according to the instructions of the system control module, and to match the signal transmission power of different bands.

[0012] According to a technical solution of the present invention, the multi-band data acquisition and analysis module includes a digital-to-analog conversion module and a signal processing module;

[0013] The digital-to-analog conversion module is used to convert the received analog signal into a digital signal that complies with the JESD204B high-speed serial port protocol through a high-speed ADC, and send it to the signal processing module through the FMC interface;

[0014] The signal processing module is used to receive the measured signal and perform signal processing according to the instruction of the system control module.

[0015] According to a technical solution of the present invention, the signal processing module performs at least anti-interference processing and signal quality improvement processing on the measured signal.

[0016] According to a technical solution of the present invention, the Tiantong signal framing module is used to send broadcast signals regularly according to the Tiantong broadcast signal data protocol format, time slot regulations and instructions of the system control module.

[0017] According to a technical solution of the present invention, when the Tiantong terminal on the side correctly receives the broadcast signal sent by the Tiantong signal framing module, it will send a random access signal to complete the "handshake" with the terminal under test;

[0018] The Tiantong signal framing module is also used to collect random access signals of the Tiantong terminal under test to complete the Tiantong radio frequency index test.

[0019] According to a technical solution of the present invention, the self-organizing network signal framing module is used to generate the signal required for self-organizing network access based on the self-organizing network communication protocol according to the instructions of the system control module, and combines with the multi-band RF conditioning module to complete the signal "handshake" with the self-organizing network terminal under test.

[0020] According to a technical solution of the present invention, the ad hoc network signal framing module is also used to test the radio frequency indicators of the ad hoc network by collecting access signals transmitted by the ad hoc network terminal under test.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] According to the solution of the present invention, the tests of the RF performance of Tiantong communication terminals and the RF performance of self-organizing network communication terminals are integrated into the same test system, and the multi-band RF conditioning module, the multi-band data acquisition and analysis module, the Tiantong signal framing module, the self-organizing network signal framing module and the system control module are used to realize automatic switching between the Tiantong RF index test mode and the self-organizing network index test mode, thereby realizing automatic testing, simplifying the RF performance test process of different band signals of multiple terminals, improving the efficiency of RF performance testing, and reducing testing costs.

[0023] Furthermore, the communication terminal radio frequency performance integrated test system of the present invention has the characteristics of small size, light weight, fast, accurate and efficient test results, high system flexibility and strong reconfigurability. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 A schematic diagram schematically shows the composition of a communication terminal radio frequency performance integrated testing system provided by an embodiment of the present invention;

[0026] Figure 2 A schematic diagram showing a design block diagram of a multi-band data acquisition and analysis module provided by an embodiment of the present invention;

[0027] Figure 3 The overall flow chart of the system control module controlling and coordinating other modules to achieve radio frequency performance provided by the embodiment of the present invention is schematically shown. DETAILED DESCRIPTION

[0028] The description of the embodiments of this specification should be combined with the corresponding drawings, which should be considered as part of the complete specification. In the drawings, the shape or thickness of the embodiments may be enlarged and indicated for simplification or convenience. Furthermore, the parts of each structure in the drawings will be described separately. It is worth noting that the elements not shown in the drawings or not described in words are in a form known to ordinary technicians in the relevant technical field.

[0029] The description of the embodiments herein and any reference to directions and orientations are only for the convenience of description and are not to be construed as any limitation on the scope of protection of the present invention. The following description of the preferred embodiments may involve combinations of features, which may exist independently or in combination, and the present invention is not particularly limited to the preferred embodiments. The scope of the present invention is defined by the claims.

[0030] like Figure 1 and Figure 3 As shown, the present invention proposes an integrated test system for radio frequency performance of communication terminals, including a multi-band radio frequency conditioning module, a multi-band data acquisition and analysis module, a Tiantong signal framing module, an ad hoc network signal framing module and a system control module;

[0031] The system control module completes the switching of the test mode according to the measured signal band, and uniformly controls and iteratively calculates the radio frequency conditioning module, the data acquisition and analysis module, the self-organizing network signal framing module and the Tiantong signal framing module;

[0032] The test mode includes Tiantong radio frequency index test and ad hoc network index test.

[0033] The tests of the RF performance of Tiantong communication terminals and the RF performance of ad hoc network communication terminals are integrated into the same test system, and the multi-band RF conditioning module, multi-band data acquisition and analysis module, Tiantong signal framing module, ad hoc network signal framing module and system control module are used to realize automatic switching between the Tiantong RF index test mode and the ad hoc network index test mode, thereby realizing automatic testing, simplifying the RF performance test process of multi-terminal different band signals, improving the RF performance test efficiency and reducing the test cost.

[0034] Through the self-organizing network signal framing module and the Tiantong signal framing module, a "handshake" with the terminal signal on the receiving side is achieved. Combined with the coordinated work of the multi-band RF conditioning module, the multi-band data acquisition and analysis module and the system control module, the integrated automatic test of the RF performance of the Tiantong and self-organizing network terminals is completed, so that the integrated test system of the RF performance of the communication terminal of the present invention has the characteristics of small size, light weight, fast, accurate and efficient test results, high system flexibility and strong reconfigurability.

[0035] In some embodiments of the present invention, the multi-band RF conditioning module includes a RF receiving conditioning module and a RF transmitting conditioning module;

[0036] The RF receiving and conditioning module is used to switch the Tiantong band and the self-organizing network band according to the instructions sent by the system control module, receive the corresponding side signal, and amplify or reduce the side signal according to the signal power amplitude under the control of the system control module to ensure that the data acquisition and analysis module can correctly collect the corresponding signal;

[0037] The RF transmission conditioning module is used to switch the Tiantong band and the self-organizing network band according to the instructions of the system control module, and match the signal transmission power of different bands to ensure that the signal sent by the test system can achieve signal interaction with the terminal under test.

[0038] like Figure 2As shown, in some embodiments of the present invention, the multi-band data acquisition and analysis module includes a digital-to-analog conversion module and a signal processing module;

[0039] The digital-to-analog conversion module is used to convert the received analog signal into a digital signal that complies with the JESD204B high-speed serial port protocol through a high-speed ADC, and send it to the signal processing module through the FMC interface;

[0040] The signal processing module is used to receive the measured signal and perform signal processing according to the instruction of the system control module.

[0041] In some embodiments of the present invention, the signal processing module performs at least anti-interference processing and signal quality improvement processing on the measured signal.

[0042] In some embodiments of the present invention, the Tiantong signal framing module is used to send broadcast signals regularly according to the Tiantong broadcast signal data protocol format, time slot regulations and instructions of the system control module.

[0043] In some embodiments of the present invention, when the Tiantong terminal on the tested side correctly receives the broadcast signal sent by the Tiantong signal framing module, it will send a random access signal to complete the "handshake" with the terminal under test;

[0044] The Tiantong signal framing module is also used to collect random access signals of the Tiantong terminal under test to complete the Tiantong radio frequency index test.

[0045] In some embodiments of the present invention, the self-organizing network signal framing module is used to generate the signal required for self-organizing network access based on the self-organizing network communication protocol according to the instructions of the system control module, and combines with the multi-band RF conditioning module to complete the signal "handshake" with the self-organizing network terminal under test.

[0046] In some embodiments of the present invention, the ad hoc network signal framing module is further used to test the radio frequency indicators of the ad hoc network by collecting access signals transmitted by the ad hoc network terminal under test.

[0047] The serial numbers of the above-mentioned steps involved in the method of the present invention do not mean the order of execution of the method. The execution order of each step should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the implementation mode of the present invention.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A communication terminal radio frequency performance integrated test system, characterized in that: It includes a multi-band RF conditioning module, a multi-band data acquisition and analysis module, a Tiantong signal framing module, an ad hoc network signal framing module and a system control module; The system control module completes the switching of the test mode according to the measured signal band, and uniformly controls and iteratively calculates the radio frequency conditioning module, the data acquisition and analysis module, the self-organizing network signal framing module and the Tiantong signal framing module; The test mode includes Tiantong radio frequency index test and ad hoc network index test.

2. The system according to claim 1, characterized in that The multi-band radio frequency conditioning module includes a radio frequency receiving conditioning module and a radio frequency transmitting conditioning module; The RF receiving and conditioning module is used to switch the Tiantong band and the ad hoc network band according to the instructions sent by the system control module, receive the corresponding side signal, and amplify or reduce the side signal according to the signal power amplitude under the control of the system control module; The radio frequency transmission conditioning module is used to switch the Tiantong band and the ad hoc network band according to the instructions of the system control module, and to match the signal transmission power of different bands.

3. The system according to claim 2, characterized in that The multi-band data acquisition and analysis module includes a digital-to-analog conversion module and a signal processing module; The digital-to-analog conversion module is used to convert the received analog signal into a digital signal that complies with the JESD204B high-speed serial port protocol through a high-speed ADC, and send it to the signal processing module through the FMC interface; The signal processing module is used to receive the measured signal and perform signal processing according to the instruction of the system control module.

4. The system according to claim 3, characterized in that The signal processing module performs at least anti-interference processing and signal quality improvement processing on the measured signal.

5. The system according to claim 1, characterized in that The Tiantong signal framing module is used to send broadcast signals regularly according to the Tiantong broadcast signal data protocol format, time slot regulations and instructions of the system control module.

6. The system according to claim 5, characterized in that When the Tiantong terminal on the side correctly receives the broadcast signal sent by the Tiantong signal framing module, it will send a random access signal to complete the "handshake" with the terminal under test; The Tiantong signal framing module is also used to collect random access signals of the Tiantong terminal under test to complete the Tiantong radio frequency index test.

7. The system according to claim 1, characterized in that The self-organizing network signal framing module is used to generate the signal required for self-organizing network access based on the self-organizing network communication protocol according to the instructions of the system control module, and complete the "handshake" with the self-organizing network terminal signal under test in combination with the multi-band RF conditioning module.

8. The system according to claim 1, characterized in that The ad hoc network signal framing module is also used to test the radio frequency indicators of the ad hoc network by collecting the access signal transmitted by the ad hoc network terminal under test.

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