CN114143243B - Radio frequency test method and system - Google Patents
Radio frequency test method and system Download PDFInfo
- Publication number
- CN114143243B CN114143243B CN202111446526.9A CN202111446526A CN114143243B CN 114143243 B CN114143243 B CN 114143243B CN 202111446526 A CN202111446526 A CN 202111446526A CN 114143243 B CN114143243 B CN 114143243B
- Authority
- CN
- China
- Prior art keywords
- test
- physical layer
- cell
- configuration parameters
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010998 test method Methods 0.000 title abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 209
- 238000012545 processing Methods 0.000 claims abstract description 62
- 238000011990 functional testing Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 230000008859 change Effects 0.000 claims description 9
- 238000010295 mobile communication Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 18
- 230000009286 beneficial effect Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 230000006854 communication Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the technical field of mobile communication, in particular to a radio frequency test method and a system, wherein the method comprises the following steps: acquiring configuration parameters and test cases, wherein the test cases comprise frequency domain data and time domain data which correspond to each other; the MAC layer transmits the frequency domain data and the configuration parameters to the physical layer; the physical layer establishes a cell according to the configuration parameters, and after the MAC layer completes the transparent transmission of the frequency domain data, the physical layer performs physical layer processing and data conversion according to the frequency domain data to generate test data, and the test data is transmitted to the RRU unit; and calling a functional test condition, and analyzing test data received by the RRU unit according to the functional test condition to generate a test result. By adopting the scheme, the modules participated in the RRU testing stage can be reduced, the testing complexity is reduced, and the testing implementation is flexible.
Description
Technical Field
The invention relates to the technical field of mobile communication, in particular to a radio frequency test method and a radio frequency test system.
Background
Under the drive of broadband and diversified development of wireless services, mobile communication networks experience the development process from 2G to 5G, and the capacity and performance of the networks are continuously improved. The base station is used as wireless side core equipment and mainly comprises BBU and RRU, wherein the BBU is a baseband processing unit and provides functions of baseband protocol processing, base station system management and the like; the RRU is a remote radio unit and is responsible for receiving and transmitting the radio signal. The RRU is developed from a narrowband single-density and dual-density system of early GSM to a broadband system due to the diversity development of the usage scenario, and the number of radio frequency channels is also developed from 1T1R to 64T64R, which evolves toward Massive MIMO (large-scale antenna technology).
In the development stage of the RRU, performance test is required to be performed on the developed RRU, the test stage requires terminal access and real service to meet test requirements, and as the functions and types of the RRU are more and more, the RRU is complicated and changeable, more modules are required to participate, and the flexibility is low, so that a radio frequency test system and a radio frequency test method capable of reducing the module participation, reducing the test complexity and realizing flexible test are needed.
Disclosure of Invention
The invention aims to provide a radio frequency test method which can reduce the modules involved in the RRU test stage, reduce the test complexity and realize flexible test.
The basic scheme provided by the invention is as follows: a radio frequency testing method comprising the following:
acquiring configuration parameters and test cases, wherein the test cases comprise frequency domain data and time domain data which correspond to each other;
the MAC layer transmits the frequency domain data and the configuration parameters to the physical layer;
the physical layer establishes a cell according to the configuration parameters, and after the MAC layer completes the transparent transmission of the frequency domain data, the physical layer performs physical layer processing and data conversion according to the frequency domain data to generate test data, and the test data is transmitted to the RRU unit;
and calling a functional test condition, and analyzing test data received by the RRU unit according to the functional test condition to generate a test result.
The first basic scheme has the beneficial effects that: the configuration parameters are used for establishing the cell and configuring the physical layer for processing, and different configurations can be carried out on the cell and the physical layer through flexible setting of the configuration parameters, so that the requirements of different test scenes are met. The test case is used for RRU test, and comprises frequency domain data and time domain data, and data transmission and data comparison are carried out according to data with different selected corresponding formats.
The MAC layer only executes the transparent transmission of the configuration parameters and the frequency domain data, and does not need to execute a complex scheduling function, so that the workload of the MAC layer is reduced, and the testing complexity is further reduced.
And calling functional test conditions, wherein the functional test conditions corresponding to different performance tests are different, analyzing test data received by the RRU unit according to the functional test conditions to generate a test result, and carrying out test evaluation on the RRU unit through the test result.
Compared with the prior art, the method and the device have the advantages that terminal access and real service are not needed, the modules involved in the RRU testing stage are effectively reduced, the testing complexity is reduced, and the testing implementation is flexible.
Further, the method also comprises the following steps:
acquiring physical layer configuration parameters;
the algorithm simulator simulates physical layer processing according to the physical layer configuration parameters to generate test cases.
The beneficial effects are that: different test cases are generated through flexible setting of physical layer configuration parameters, and requirements of different test scenes are met. The algorithm simulator is separated from the tested MAC layer and the physical layer, test cases are generated before testing, and the test cases are generated in advance, so that the online test time is not occupied, and the test efficiency is effectively improved.
Further, when the MAC layer completes the transparent transmission of the frequency domain data, a radio frequency test mark is generated to issue the physical layer.
The beneficial effects are that: the radio frequency test mark is used for representing the complete transmission of the frequency domain data, and the transmission condition of the frequency domain data is known through the radio frequency test mark.
Further, the method also comprises the following steps:
after receiving the configuration parameters, the MAC layer acquires the cell state and the MAC processing logic of the last time;
judging whether a cell exists according to the state of the cell, if not, calling a preset cell establishment flow; if yes, analyzing whether the configuration parameters change according to the MAC processing logic, and if yes, calling a preset cell reconfiguration flow;
the physical layer establishes a cell according to the configuration parameters, and specifically comprises the following contents:
the physical layer simulates and establishes the cell according to the configuration parameters and the cell establishment flow or the cell reconfiguration flow called by the MAC layer.
The beneficial effects are that: judging whether a cell is established according to the current cell condition, if the cell is not established currently, calling and executing a cell establishment flow, if the cell is established, further judging whether the configuration parameters of the established cell are consistent, and when the configuration parameters change, re-establishing the cell, namely calling and executing a cell reconfiguration flow, otherwise, using the established cell. The complex cell establishment flow on the network management side is effectively avoided by simulating the establishment cell instead of the real cell, so that the test efficiency is improved.
Further, the method also comprises the following steps:
after the MAC layer completes the transparent transmission of the frequency domain data, the physical layer executes a preset radio frequency test flow and shields the rest normal processing flows.
The beneficial effects are that: the normal processing flow is relatively complex, and the RRU test uses the processed frequency domain data without complex symbol level processing, so that the scheme executes the preset radio frequency test flow and shields other normal processing flows, thereby reducing the complexity of physical layer processing and further reducing the test complexity.
Further, the physical layer performs physical layer processing according to the frequency domain data, which specifically includes the following contents:
and copying the frequency domain data, and generating test data according to the frequency domain data at the corresponding time.
The beneficial effects are that: the frequency domain data contains less data, so that the data transmission time is reduced, and the timeliness of the test system is improved. And repeatedly calling the frequency domain data through physical layer processing to generate final test data, so that the integrity of the test data is ensured.
The second objective of the present invention is to provide a radio frequency test system.
The invention provides a basic scheme II: a radio frequency test method comprising:
the BBU unit is used for acquiring configuration parameters and test cases, wherein the test cases comprise frequency domain data and time domain data which correspond to each other; the method is also used for establishing a cell according to the configuration parameters, performing physical layer processing and data conversion according to the frequency domain data to generate test data, and transmitting the test data;
and the RRU unit is used for calling the functional test conditions and analyzing the received test data according to the functional test conditions to generate a test result.
The second basic scheme has the beneficial effects that: the configuration parameters are used for establishing the cell and configuring the BBU unit, and different configurations can be carried out on the cell and the BBU unit through flexible setting of the configuration parameters, so that the requirements of different test scenes are met. The test case is used for RRU test, and comprises frequency domain data and time domain data, and data transmission and data comparison are carried out according to data with different selected corresponding formats.
Setting up BBU unit, setting up cell according to configuration parameters, establishing cell simulation test conditions, and generating test data by physical layer processing and data conversion according to frequency domain data for performance test of RRU unit.
The RRU unit is a module to be tested, the function test conditions are called through the setting of the RRU unit, the function test conditions corresponding to different performance tests are different, test data received by the RRU unit are analyzed according to the function test conditions to generate a test result, and the RRU unit is tested and evaluated through the test result.
Compared with the prior art, the method and the device have the advantages that terminal access and real service are not needed, the modules involved in the RRU testing stage are effectively reduced, the testing complexity is reduced, and the testing implementation is flexible.
Further, the method further comprises the following steps:
the algorithm simulator is used for acquiring the physical layer configuration parameters, simulating physical layer processing according to the physical layer configuration parameters and generating test cases.
The beneficial effects are that: the algorithm simulator is set, physical layer processing is simulated through physical layer configuration parameters, so that test cases are generated, different test cases are generated through flexible setting of the physical layer configuration parameters, and the requirements of different test scenes are met. The generation of the test cases is separated from the RRU test, the test cases are generated in advance, the online test time is not occupied, and the test efficiency is effectively improved.
Further, a BBU unit comprising:
the MAC layer is used for acquiring the cell state and the MAC processing logic of the last time after receiving the configuration parameters, judging whether a cell exists according to the cell state, and if not, calling a preset cell establishment flow; if yes, analyzing whether the configuration parameters change according to the MAC processing logic, and if yes, calling a preset cell reconfiguration flow;
and the physical layer is used for simulating and establishing the cell according to the configuration parameters and the cell establishment flow or the cell reconfiguration flow called by the MAC layer.
The beneficial effects are that: before establishing a cell, the MAC layer judges whether the cell is established or not based on the last cell state and MAC processing logic, and whether the configuration parameters of the established cell are consistent with the current configuration parameters. When the cell is not established, calling and executing a cell establishment flow; calling and executing a cell reconfiguration flow when the established cell but the configuration parameters of the established cell are changed; otherwise, the established cell is used. The complex cell establishment flow on the network management side is effectively avoided by simulating the establishment cell instead of the real cell, so that the test efficiency is improved.
Further, the MAC layer is further configured to pass the frequency domain data through to the physical layer;
the physical layer is also used for executing a preset radio frequency test flow after the MAC layer completes the transparent transmission of the frequency domain data and shielding other normal processing flows.
The beneficial effects are that: the normal processing flow of the physical layer to the data involves complex symbol level processing, and the scheme uses the processed frequency domain data without corresponding data processing, so that the scheme executes a preset radio frequency test flow and shields other normal processing flows, thereby reducing the complexity of the physical layer processing and further reducing the test complexity.
Drawings
FIG. 1 is a logic block diagram of an embodiment of a radio frequency test system according to the present invention.
Detailed Description
The following is a further detailed description of the embodiments:
examples
A radio frequency testing method comprising the following:
test case generation: and acquiring physical layer configuration parameters, and simulating physical layer processing by the algorithm simulator according to the physical layer configuration parameters to generate test cases, wherein the test cases comprise frequency domain data and time domain data which correspond to each other.
The algorithm emulator is an application written in a programmable language according to the 3GPP protocol and which can run on a PC. The physical layer configuration parameters are parameters required to be configured by physical layer processing, such as cell bandwidth, antenna, sampling rate, and the like. The physical layer configuration parameters configure the physical layer process in an interface form or a configuration file form. According to the simulation layer processing of configuration, test cases are randomly generated, one test case is generated by one configuration, and different test cases can be randomly generated by using the same physical layer configuration parameters.
The RRU test comprises a test agent, a BBU unit and an RRU unit, wherein the BBU unit comprises a network manager, a MAC layer and a physical layer.
The test agent acquires configuration parameters and test cases, wherein the configuration parameters comprise cell establishment parameters and physical layer configuration parameters, the cell establishment parameters are used for simulating and establishing cells, and the physical layer configuration parameters are used for configuring a physical layer and are identical to the physical layer configuration parameters used by the algorithm simulator. The test cases acquired by the test agent are frequency domain data in the test cases.
The network manager is used for controlling the establishment of the cell and the distribution of the configuration parameters and the frequency domain data.
The MAC layer receives the frequency domain data and the configuration parameters, and acquires the cell state and the MAC processing logic of the last time after receiving the configuration parameters; judging whether a cell exists according to the state of the cell, if not, calling a preset cell establishment flow; if yes, analyzing whether the configuration parameters change according to the MAC processing logic, and if yes, calling a preset cell reconfiguration flow. The last cell state characterizes whether there is an established cell, and the MAC processing logic analyzes the cell state to obtain its configuration parameters. The preset cell establishment flow is a cell establishment flow, and the preset cell reconfiguration flow is a flow of deleting an established cell and reestablishing the cell.
Analyzing whether the configuration parameters change or not according to the MAC processing logic, specifically, analyzing the MAC processing logic to generate the logic configuration parameters, comparing the logic configuration parameters with the cell establishment parameters, and judging that the configuration parameters are unchanged when the logic configuration parameters are consistent with the cell establishment parameters, otherwise, judging that the configuration parameters are changed.
And the MAC layer transparently transmits the frequency domain data and the configuration parameters to the physical layer, and generates a radio frequency test mark to issue the physical layer when the transmission of the frequency domain data is completed.
The physical layer establishes a cell according to the configuration parameters, and after the MAC layer completes the transparent transmission of the frequency domain data, the physical layer performs physical layer processing and data conversion according to the frequency domain data to generate test data, and the test data is transmitted to the RRU unit.
The physical layer establishes a cell according to the configuration parameters, specifically: the physical layer simulates and establishes the cell according to the cell establishment parameter in the configuration parameter and the cell establishment flow or the cell reconfiguration flow called by the MAC layer.
After the MAC layer completes the transparent transmission of the frequency domain data, that is, after the physical layer receives the radio frequency test flag, the physical layer executes a preset radio frequency test procedure and shields the other normal processing procedures. The rest normal processing flows are all flows executed by the BBU unit in the communication process.
The physical layer is configured according to physical layer configuration parameters in the configuration parameters, and the physical layer performs physical layer processing and data conversion according to the frequency domain data to generate test data, specifically: and copying the frequency domain data, generating test data according to the frequency domain data at the corresponding time, and performing frequency-time domain conversion on the generated test data, namely, the data format of the test data finally generated by the physical layer is the time domain.
Copying frequency domain data, and generating test data according to the frequency domain data at corresponding time, wherein the test data comprises the following specific contents: the test data comprises a number of frames, each frame comprising 10 subframes, each subframe comprising 2 slots, each slot comprising 14 symbols, each symbol containing 1 antenna. In this embodiment, the data length of the frequency domain data is one frame, the frequency domain data at the corresponding time is copied, and the data of 1 antenna of the frequency domain data is copied to all antennas of the test data to generate the test data, where the data format of the test data is the frequency domain.
In other embodiments, the method is further used for comparing the test data finally generated by the physical layer with the time domain data in the test case, and judging the correctness of the intermediate frequency time domain conversion and the data transmission in the verification test process according to the comparison result.
And calling a functional test condition, and analyzing test data received by the RRU unit according to the functional test condition to generate a test result. The method comprises the following steps: the functional test conditions correspond to the RRU test performance, where the RRU test performance includes functional tests such as bandwidth, power, demodulation, and EVM indexes, and in this embodiment, the RRU test performance includes bandwidth and power, that is, the functional test conditions include functional test conditions corresponding to the bandwidth and functional test conditions corresponding to the power, and test data is analyzed according to the functional test conditions to generate a test result.
Taking the bandwidth as an example, calling the function test condition corresponding to the bandwidth, analyzing the power value of the test data, judging whether the power value meets the called function test condition, for example, judging whether the power value is in the power range required by the performance if the called function test condition is the power range, if so, meeting the called function test condition to generate a test result with qualified power, otherwise, not meeting the called function test condition to generate a test result with unqualified power.
A radio frequency test system, which uses the radio frequency test method, as shown in figure 1, comprises an algorithm simulator, a BBU unit, an RRU unit and a test agent.
The algorithm simulator is used for acquiring physical layer configuration parameters, simulating physical layer processing according to the physical layer configuration parameters, and generating test cases, wherein the test cases comprise frequency domain data and time domain data which correspond to each other.
The physical layer configuration parameters configure the physical layer process in an interface form or a configuration file form. According to the simulation layer processing of configuration, test cases are randomly generated, one test case is generated by one configuration, and different test cases can be randomly generated by using the same physical layer configuration parameters.
The test agent is used for acquiring the configuration parameters and the test cases, and transmitting the configuration parameters and the test cases to the BBU unit, wherein the acquired test cases are frequency domain data. The configuration parameters include a cell setup parameter for simulating the setup of a cell and a physical layer configuration parameter for configuring a physical layer, which is the same as the physical layer configuration parameter used by the algorithm simulator.
The BBU unit is used for acquiring configuration parameters and test cases, establishing a cell according to the configuration parameters, performing physical layer processing and data conversion according to the frequency domain data to generate test data, and transmitting the test data.
The BBU unit comprises a network manager, a MAC layer and a physical layer.
The network manager is used for acquiring configuration parameters and frequency domain data, controlling the establishment of cells and issuing the configuration parameters and the frequency domain data.
The MAC layer is used for receiving the configuration parameters and the frequency domain data and transmitting the configuration parameters and the frequency domain data to the physical layer; the method is also used for acquiring the cell state and the MAC processing logic of the last time after receiving the configuration parameters, judging whether a cell exists according to the cell state, and if not, calling a preset cell establishment flow; if yes, analyzing whether the configuration parameters change according to the MAC processing logic, and if yes, calling a preset cell reconfiguration flow.
The last cell state characterizes whether there is an established cell, and the MAC processing logic analyzes the cell state to obtain its configuration parameters. The preset cell establishment flow is a cell establishment flow, and the preset cell reconfiguration flow is a flow of deleting an established cell and reestablishing the cell. Analyzing whether the configuration parameters change or not according to the MAC processing logic, specifically, analyzing the MAC processing logic to generate the logic configuration parameters, comparing the logic configuration parameters with the cell establishment parameters, and judging that the configuration parameters are unchanged when the logic configuration parameters are consistent with the cell establishment parameters, otherwise, judging that the configuration parameters are changed.
The MAC layer is also used for generating a radio frequency test mark to issue a physical layer when the transmission of the frequency domain data is completed.
The physical layer is used for simulating and establishing the cell according to the configuration parameters and the cell establishment flow or the cell reconfiguration flow called by the MAC layer, and specifically, simulating and establishing the cell according to the cell establishment parameters.
The physical layer is also used for executing a preset radio frequency test flow after the MAC layer completes the transparent transmission of the frequency domain data, namely after receiving the radio frequency test mark, shielding other normal processing flows, wherein the other normal processing flows are all executed by the BBU unit in the communication process.
The physical layer is also used for carrying out configuration according to the physical layer configuration parameters, and carrying out physical layer processing and data conversion according to the frequency domain data to generate test data. The method comprises the following steps: and copying the frequency domain data, generating test data according to the frequency domain data at the corresponding time, and performing frequency-time domain conversion on the generated test data, namely, the data format of the test data finally generated by the physical layer is the time domain. Copying frequency domain data, and generating test data according to the frequency domain data at corresponding time, wherein the test data comprises the following specific contents: the test data comprises a number of frames, each frame comprising 10 subframes, each subframe comprising 2 slots, each slot comprising 14 symbols, each symbol containing 1 antenna. In this embodiment, the data length of the frequency domain data is one frame, the frequency domain data at the corresponding time is copied, and the data of 1 antenna of the frequency domain data is copied to all antennas of the test data to generate the test data, where the data format of the test data is the frequency domain.
The physical layer is also used for transmitting the test data after data conversion to the RRU unit.
The RRU unit is used for calling the functional test conditions and analyzing the received test data according to the functional test conditions to generate a test result. The function test conditions correspond to RRU test performance, the RRU test performance comprises bandwidth, and test data are analyzed according to the function test conditions to generate test results.
In other embodiments, the test data finally generated by the physical layer is compared with the time domain data in the test case, and the correctness of the intermediate frequency time domain conversion and the data transmission in the test process is judged according to the comparison result.
Taking the bandwidth as an example, calling the function test condition corresponding to the bandwidth, analyzing the power value of the test data, judging whether the power value meets the called function test condition, for example, judging whether the power value is in the power range required by the performance if the called function test condition is the power range, if so, meeting the called function test condition to generate a test result with qualified power, otherwise, not meeting the called function test condition to generate a test result with unqualified power.
The foregoing is merely an embodiment of the present invention, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application day or before the priority date of the present invention, and can know all the prior art in the field, and have the capability of applying the conventional experimental means before the date, so that a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present application, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (8)
1. A radio frequency testing method, comprising the following steps:
acquiring configuration parameters and test cases, wherein the test cases comprise frequency domain data and time domain data which correspond to each other;
after receiving the configuration parameters, the MAC layer acquires the cell state and the MAC processing logic of the last time;
judging whether a cell exists according to the state of the cell, if not, calling a preset cell establishment flow; if yes, analyzing whether the configuration parameters change according to the MAC processing logic, and if yes, calling a preset cell reconfiguration flow;
the MAC layer transmits the frequency domain data and the configuration parameters to the physical layer;
the physical layer establishes a cell according to the configuration parameters, and after the MAC layer completes the transparent transmission of the frequency domain data, the physical layer performs physical layer processing and data conversion according to the frequency domain data to generate test data, and the test data is transmitted to the RRU unit; the physical layer establishes a cell according to configuration parameters, including: the physical layer simulates and establishes a cell according to the cell establishment parameter in the configuration parameter and the cell establishment flow or the cell reconfiguration flow called by the MAC layer;
and calling a functional test condition, and analyzing test data received by the RRU unit according to the functional test condition to generate a test result.
2. The radio frequency testing method of claim 1, further comprising the following:
acquiring physical layer configuration parameters;
the algorithm simulator simulates physical layer processing according to the physical layer configuration parameters to generate test cases.
3. A radio frequency testing method according to claim 1, wherein: and when the MAC layer completes the transparent transmission of the frequency domain data, generating a radio frequency test mark and transmitting to the physical layer.
4. The radio frequency testing method of claim 1, further comprising the following:
after the MAC layer completes the transparent transmission of the frequency domain data, the physical layer executes a preset radio frequency test flow and shields the rest normal processing flows.
5. A radio frequency testing method according to claim 1, wherein: the physical layer performs physical layer processing according to the frequency domain data, and specifically includes the following contents:
and copying the frequency domain data, and generating test data according to the frequency domain data at the corresponding time.
6. A radio frequency test system, comprising:
the BBU unit is used for acquiring configuration parameters and test cases, wherein the test cases comprise frequency domain data and time domain data which correspond to each other; the method is also used for establishing a cell according to the configuration parameters, performing physical layer processing and data conversion according to the frequency domain data to generate test data, and transmitting the test data;
a BBU unit comprising:
the MAC layer is used for acquiring the cell state and the MAC processing logic of the last time after receiving the configuration parameters, judging whether a cell exists according to the cell state, and if not, calling a preset cell establishment flow; if yes, analyzing whether the configuration parameters change according to the MAC processing logic, and if yes, calling a preset cell reconfiguration flow;
the physical layer is used for simulating and establishing the cell according to the configuration parameters and the cell establishment flow or the cell reconfiguration flow called by the MAC layer;
and the RRU unit is used for calling the functional test conditions and analyzing the received test data according to the functional test conditions to generate a test result.
7. The radio frequency testing system of claim 6, further comprising:
the algorithm simulator is used for acquiring the physical layer configuration parameters, simulating physical layer processing according to the physical layer configuration parameters and generating test cases.
8. A radio frequency testing system according to claim 7, wherein: the MAC layer is also used for transmitting the frequency domain data to the physical layer;
the physical layer is also used for executing a preset radio frequency test flow after the MAC layer completes the transparent transmission of the frequency domain data and shielding other normal processing flows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111446526.9A CN114143243B (en) | 2021-11-30 | 2021-11-30 | Radio frequency test method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111446526.9A CN114143243B (en) | 2021-11-30 | 2021-11-30 | Radio frequency test method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114143243A CN114143243A (en) | 2022-03-04 |
| CN114143243B true CN114143243B (en) | 2023-12-22 |
Family
ID=80386117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111446526.9A Active CN114143243B (en) | 2021-11-30 | 2021-11-30 | Radio frequency test method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114143243B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116599537A (en) * | 2023-05-18 | 2023-08-15 | 哈尔滨市科佳通用机电股份有限公司 | Unit test method of railway frequency shift signal decoding algorithm |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3562196A1 (en) * | 2018-04-26 | 2019-10-30 | Rohde & Schwarz GmbH & Co. KG | Mobile communication tester, testing system as well as a method for testing at least one device under test |
| WO2021126147A1 (en) * | 2019-12-16 | 2021-06-24 | Mentor Graphics Corporation | A device for testing a base station |
| CN113395715A (en) * | 2020-03-12 | 2021-09-14 | 中移(成都)信息通信科技有限公司 | Method, device and equipment for testing physical layer of base station and storage medium |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10355895B2 (en) * | 2015-03-11 | 2019-07-16 | Phluido, Inc. | Baseband unit with adaptive fronthaul link for a distributed radio access network |
| US10374731B2 (en) * | 2017-10-31 | 2019-08-06 | Rohde & Schwarz Gmbh & Co. Kg | Over-the-air measurements system as well as method for testing the over-the-air characteristics of a device under test |
-
2021
- 2021-11-30 CN CN202111446526.9A patent/CN114143243B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3562196A1 (en) * | 2018-04-26 | 2019-10-30 | Rohde & Schwarz GmbH & Co. KG | Mobile communication tester, testing system as well as a method for testing at least one device under test |
| WO2021126147A1 (en) * | 2019-12-16 | 2021-06-24 | Mentor Graphics Corporation | A device for testing a base station |
| CN113395715A (en) * | 2020-03-12 | 2021-09-14 | 中移(成都)信息通信科技有限公司 | Method, device and equipment for testing physical layer of base station and storage medium |
Non-Patent Citations (2)
| Title |
|---|
| Telecom Italia.RP-120399 "Draft composite material for the proposed update of Section 5.3.2 toward Rev 11 of Rec. ITU-R M.1457".3GPP tsg_ran\TSG_RAN.2012,(第TSGR_55期),全文. * |
| WiMAX无线网络测试及规划;杨海明;《中国优秀硕士学位论文全文数据库》;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114143243A (en) | 2022-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Cheng et al. | A comprehensive simulation platform for space-air-ground integrated network | |
| Kaltenberger et al. | OpenAirInterface: Democratizing innovation in the 5G Era | |
| Bonati et al. | Open, programmable, and virtualized 5G networks: State-of-the-art and the road ahead | |
| KR101992950B1 (en) | Mobile terminal simulator for a wireless telecommunications network and method of simulating a mobile terminal | |
| EP3098984B1 (en) | Calibration method for channel simulator | |
| CN101958757B (en) | Method and device for testing radio-frequency performance of TD-LTE terminal | |
| CN109309930A (en) | Mobile terminal test device and its parameter modification method | |
| Foni et al. | Evaluation methodologies for the NB-IOT system: Issues and ongoing efforts | |
| CN114143243B (en) | Radio frequency test method and system | |
| CN113472608A (en) | VDES simulation multi-user test system and test method | |
| US9949151B2 (en) | HF testing equipment and method for testing D2D-enabled mobile communications terminals | |
| CN107404344A (en) | Communication means, the network equipment and terminal device | |
| CN109219052A (en) | A kind of resource information transfer method, relevant device and system | |
| Jimenez et al. | Learning mobile communications standards through flexible software defined radio base stations | |
| Nikaien | OpenAirInterface Simulator/Emulator | |
| CN114125875A (en) | Sensitivity test method, test device, test system, and storage medium | |
| Larrañaga et al. | An experimentally validated PRIME subnetwork simulation model for utility applications | |
| CN113612546B (en) | Physical layer testing system and method for satellite mobile communication terminal | |
| WO2021052075A1 (en) | Interference simulation system, method and apparatus, interference test system, method and apparatus, and computer readable storage medium | |
| CN114268982A (en) | Vehicle-mounted mobile communication terminal test system | |
| Zhao et al. | Design of jiutian intelligent network simulation platform | |
| WO2016201860A1 (en) | Data transmission method and apparatus | |
| Pinola et al. | A systematic and flexible approach for testing future mobile networks by exploiting a wrap-around testing methodology | |
| CN107889228B (en) | A kind of method and apparatus that down control channel sends and receivees | |
| CN204652671U (en) | A kind of RF consistency testing system of LTE terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |