CN102448098B - Based on physical layer test macro and the method for ARM and DSP coenocytism - Google Patents
Based on physical layer test macro and the method for ARM and DSP coenocytism Download PDFInfo
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Abstract
The present invention relates to wireless communication system measuring technology, be particularly related to physical layer test macro and method based on ARM and DSP coenocytism, described system comprises control appliance, signal source, VSA and tested terminal, and described method comprises multiple steps; The present invention, in the situation that there is no upper-layer protocol code, realizes the independent test to wireless communication field physical layer code, has shortened the development and testing time, has reduced testing cost, and has realized quickly and easily the automatic test of physical layer code.
Description
Technical field
The present invention relates to wireless communication system measuring technology, particularly based on ARM and DSP coenocytismPhysical layer test macro and method.
Background technology
A wireless terminal (or claiming user equipment (UE)) can be divided into physical layer (PHY), number agreementAccording to link layer and radio resource control layer (RRC), data link layer comprises again media access control layerAnd Radio Link control (rlc layer) (MAC). Physical layer is positioned at the bottom of protocol model, mainly completeBecome channel coding/decoding, the processes such as physical channel mapping and demapping and modulation and demodulation; Physical layer is from MACPrimitive send or receive data and signaling from peer-entities to peer-entities by physical connection between securing layer.MAC layer is positioned on physical layer, mainly completes data framing, error detection and repeating transmission control, and resource distribution waitedJourney; Data link layer sends interlayer primitive and obtains from physical layer to physical layer.
Based on the embedded system of ARM and DSP coenocytism, MAC layer and above layer identification code thereof operate inARM core, the program of PHY layer relates to large amount of complex calculating process, higher to requirement of real-time, operates inDSP core; DSP obtains the interlayer primitive from MAC by Host Port Interface from ARM, thereby triggersThe a series of data transmit-receive processes of DSP, realize terminal device mutual with the interlayer of network equipment peer-entities.
Physical layer test is a kind of software test, mainly tests the characteristic of physical layer software the following aspects:The uniformity of physical layer software and protocol specification; The Transceiver Features of physical layer software to physical channel; Physical layerThe measurement characteristics of software to physical channel; The synchronous adjustment of physical layer software real-time and physical layer software,The performances such as frequency deviation adjustment, power control.
Traditional test to physical layer is mainly divided into two stages, and the first stage is at initial stage of development, by developingThe unit testing that personnel carry out institute's development module; Second stage is in reality after integrated protocol codeUnder the base-station environment of border, carry out the integration testing of signaling mode. The former can only test certain module, cannotReliability and the real-time of checking whole system; The latter needs integrated upper-layer protocol program and maturationThe network equipment, this initial stage of development in program often cannot satisfy condition; During whole version is issued, needCarry out separately regression test to physical layer, current method of testing is more intense to the dependence of protocol code, one-tenthThis high and labor intensive, cannot realize extensive Automation regression testing.
Summary of the invention
Technical problem solved by the invention is to provide a kind of physics based on ARM and DSP coenocytismLayer identification code carries out functional test, performance test and automation ergodic test macro and method, and does not needIntegrated upper-layer protocol program and the ripe network equipment.
For overcoming the above problems, the invention provides a kind of physical layer based on ARM and DSP coenocytism and surveyTest system, as shown in Figure 1, comprising:
Control appliance, for connecting tested terminal, signal source and VSA, further bagDraw together:
Signal source control module is for controlling signal source according to test case;
Data analysis module is for realizing the analysis to upstream data;
Serial port drive module is for realizing control and the management to serial ports;
Main control module is realized control to testing process and the management of test case;
Responses match module is tested for selecting for response contents and the desired value man-machine interface of mating physical layerUse-case and showing test results;
Signal source, accepts the instruction of control appliance by general purpose interface bus GPIB or lan interfaces LAN,Send the required downlink radio-frequency signal of test;
VSA, accepts the radiofrequency signal that tested terminal sends, and realizes adopting upward signalSample, is connected to control appliance by general purpose interface bus GPIB or lan interfaces LAN;
Tested terminal, comprises ARM and DSP core, and the program that runs on ARM core is responsible for interlayer primitiveEncapsulate and split, and primitive is transmitted to DSP by Host Port Interface; Move tested physicsLayer program.
For overcoming the above problems, the invention provides described a kind of physics based on ARM and DSP coenocytismLayer method of testing, is suitable for the test of non-signaling mode, comprising:
S101: the relevant primitive of test case is stored in control appliance, selects required test case in control appliance;
S102: control appliance, according to the demand of test case, utilizes GPIB or LAN interface to realize signalThe Remote configuration in source, makes the needed radiofrequency signal of its transmission test example;
S103: control appliance, according to the demand of test case, utilizes GPIB or LAN interface to realize vectorThe Remote configuration of signal analyzer, makes it can realize the automatic sampling to upward signal;
S104: control appliance utilization sends initialization command to tested terminal;
S105: tested terminal ARM receives multiple kernels and the outside to tested terminal after initialization commandEquipment initializes;
S106: initialized instruction to control appliance feedback after tested terminal completes and initializes;
S107: control appliance sends the required order of test case to tested terminal;
S108:ARM receives after this order according to mark and length check the completeness of order end to end; And goExcept identifying end to end; ARM is issued to DSP to realize the triggering of physical layer inter-related task by this order;
S109:DSP receives the related physical channel content from signal source according to ARM order, and by resultForm with response feeds back to ARM;
S110: VSA detects the quality of uplink signal of DSP, and to control appliance endFeedback testing result;
S111:ARM adds the content of response to send to afterwards end to end control appliance end;
S112: control appliance end can notify VSA to carry out the sampling of IQ data;
S113: control appliance determines the particular content of bar order according to the content of response;
S114: repeating step S107-S113, until required order and the response of test case received and dispatched complete.
The present invention compared with prior art, can, in the situation that there is no upper-layer protocol code, realize wirelessThe independent test of communications field physical layer code, has shortened the development and testing time, has reduced testing cost, andRealize quickly and easily the Automation regression testing of physical layer code.
Brief description of the drawings
Fig. 1 is the physical layer test system structure figure that the present invention is based on ARM and DSP coenocytism;
Fig. 2 is the physical layer test macro preferred embodiment that the present invention is based on ARM and DSP coenocytismStructure chart;
Fig. 3 be the present invention is based on ARM and DSP coenocytism physical layer test macro another preferably implementMode structure chart;
Fig. 4 is the physical layer method of testing preferred embodiment that the present invention is based on ARM and DSP coenocytismFlow chart;
The Command encapsulate data format schematic diagram that Fig. 5 uses for the embodiment of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and realityExecute mode, a kind of physical layer test macro and method based on ARM and DSP coenocytism of the present invention doneFurther describe.
A kind of physical layer test macro based on ARM and DSP coenocytism of the present invention, as shown in Figure 1,Comprise:
Control appliance, for connecting tested terminal, signal source and VSA, it is furtherComprise:
Signal source control appliance is for controlling signal source according to test case;
Data analysis module is for realizing the analysis to upstream data;
Serial port drive module is for realizing control and the management to serial ports;
Main control module is realized control to testing process and the management of test case;
Responses match module is tested for selecting for response contents and the desired value man-machine interface of mating physical layerUse-case and showing test results;
Signal source, accepts the instruction of control appliance by general purpose interface bus GPIB or lan interfaces LAN,Send the required downlink radio-frequency signal of test;
VSA, accepts the radiofrequency signal that tested terminal sends, and realizes adopting upward signalSample, is connected to control appliance by general purpose interface bus GPIB or lan interfaces LAN;
Tested terminal, comprises ARM and DSP core, and the program that runs on ARM core is responsible for interlayer primitiveEncapsulate and split, and primitive is transmitted to DSP by Host Port Interface; Move tested physicsLayer program.
Alternatively, the DSP core of described tested terminal has more than two or two;
Preferably, in described control appliance, replace serial port drive module by USB serial port drive module, for realityThe now control to USB mouth and management; Between control appliance and tested terminal, also comprise serial ports/USB mouthConverting unit, serial ports/USB mouth converting unit is connected by USB mouth with control appliance, with tested terminalConnect by serial ports; As shown in Figure 2.
Preferably, use comprehensive test instrument to replace VSA and signal source, by general purpose interface bus GPIBOr LAN is connected with control appliance, the radiofrequency signal of the tested terminal of sending and receiving; Increase at control applianceAdd protocol adaptation module, be connected with serial ports/USB mouth converting unit; As shown in Figure 3, it is suitable for signaling mouldThe test of formula.
Described comprehensive test instrument possesses the function of system simulator, signal generator and terminal signaling analyzer, supportsThe sophisticated functions such as call setup, release and paging, power control, terminal radio frequency consistency test.
Preferably, described control appliance also comprises tracking module, prints from test terminal for real-time storageThe LOG information of ARM and DSP.
A kind of physical layer method of testing based on ARM and DSP coenocytism of the present invention comprises multiple enforcementMode, is described below respectively:
The testing process of the single test case to physical layer code as shown in Figure 4, comprising:
S101: the relevant primitive of test case is stored in control appliance, selects required test case in control appliance;
S102: control appliance, according to the demand of test case, utilizes GPIB or LAN interface to realize signalThe Remote configuration in source, makes the needed radiofrequency signal of its transmission test example;
S103: control appliance, according to the demand of test case, utilizes GPIB or LAN interface to realize vectorThe Remote configuration of signal analyzer, makes it can realize the automatic sampling to upward signal;
S104: control appliance sends initialization command to tested terminal;
S105: tested terminal ARM receives multiple kernels and the outside to tested terminal after initialization commandEquipment initializes;
S106: initialized instruction to control appliance feedback after tested terminal completes and initializes;
S107: control appliance sends the required order of test case to tested terminal;
S108:ARM receives after this order according to mark and length check the completeness of order end to end; And goExcept identifying end to end; ARM is issued to DSP to realize the triggering of physical layer inter-related task by this order;
The data length between mark end to end that the completeness of described inspection order or response is review engagement is sameWhether the length information in header coincide;
For example: as shown in Figure 5,0xAAAA is filled in starting most of order to the Command encapsulate form using,0x5555 is filled in the last of order; Follow closely after 0xAAAA is the head letter of fixing 12 byte lengthBreath, comprises frame number, pattern, state, primitive mark, Reserved and length mark, wherein length informationRefer to the data length that does not comprise 0xAAAA, 0x5555 and header, unit is BYTE; By thisMode, receiving terminal can check the completeness of order or response easily.
S109:DSP receives the related physical channel content from signal source according to ARM order, and by resultForm with response feeds back to ARM;
S110: VSA detects the quality of uplink signal of DSP, and to control appliance endFeedback testing result;
S111:ARM adds the content of response to send to afterwards end to end control appliance end;
S112: control appliance end can notify VSA to carry out the sampling of IQ data;
S113: control appliance determines the particular content of bar order according to the content of response;
S114: repeating step S107-S113, until required order and the response of test case received and dispatched complete;
Preferably, between control appliance and tested terminal, carry out serial ports/USB mouth format conversion, by S104,The information that S107 control appliance mails to tested terminal converts serial ports form to by USB mouth, by S106, S111The information that tested terminal mails to control appliance converts USB mouth form to by serial ports;
Above method of testing can be tested the various time slot configuration of physical layer, resource according to the test case of designConfiguration, the situation of up-downgoing ratio and various transformat combination is carried out ergodic test;
But for highstrung situation of time, due to the restriction of serial ports speed, control appliance end cannot ensureRelated command can be sent to tested terminal at official hour, then another embodiment is proposed, willThe relevant primitive of test case is pre-stored within the ARM memory of tested terminal, controls test case by ARMFlow process, comprising:
S201-S203: S101-S103 is identical with step;
S204: control appliance sends the test case numbering of automatic control type to tested terminal, simultaneously to testedTerminal sends and starts test command;
S205: tested terminal ARM completes the initialization operation of each external equipment and DSP kernel;
S206:ARM extracts the next command of test case and is issued to by HPI mouth in test case storehouseDSP；
S207:DSP receives the related physical channel content from signal source according to ARM order, and will tieFruit feeds back to ARM with the form of response;
S208:ARM determines whether respond to control appliance transmission according to response contents;
S209: repeating step S206-S208 until test case finish.
Above-mentioned method of testing is owing to having saved serial ports transmitting-receiving link, and institute thinks that the real-time of DSP program is tested and carriesSupply condition.
Above-mentioned method of testing is suitable for the test of non-signaling mode, but for the test of signaling mode, can makeReplace signal source and VSA with comprehensive test instrument, and take protocol adaptation at control appliance end, instituteState protocol adaptation for generation of the data of up transmission and resolve the downlink data from comprehensive test instrument, utilizing GPIBRealize the Long-distance Control to comprehensive test instrument, can realize the full test of tested terminal signaling pattern.
A kind of physical layer automated testing method based on ARM and DSP coenocytism of the present invention, comprising:
S301: all test cases of selecting to need test according to testing requirement in test case storehouse;
S302: select Automation regression testing mode;
S303: execution step S101-S114 or step S201-S209;
S304: storage printing note test case execution result;
S305: console extracts next test case from test list;
S306: repeated execution of steps S303-S305 until all test cases tested.
By directly configuring the relevant parameter of MAC, can realize the test to the various functions of physical layer, performance;By technical scheme provided by the invention, can comparatively conveniently realize the independence of physical layer code is surveyedExamination, and do not need the related content of upper-layer protocol, and can carry out easily automatic test.
The present invention has carried out the object, technical solutions and advantages of the present invention for embodiment or embodimentFurther describe in detail, above lifted embodiment or the embodiment of it should be understood that of institute is only the present inventionPreferred embodiment, not in order to limit the present invention, all right within the spirit and principles in the present inventionAny amendment that the present invention does, be equal to replacement, improvement etc., all should be included in protection scope of the present invention itIn.
Claims (10)
1. the physical layer test macro based on ARM and DSP coenocytism, is characterized in that, comprising:
Control appliance, for connecting tested terminal, signal source and VSA;
Signal source, accepts the instruction of control appliance by general purpose interface bus GPIB or lan interfaces LAN,Send the required downlink radio-frequency signal of test;
VSA, accepts the radiofrequency signal that tested terminal sends, and realizes adopting upward signalSample, is connected to control appliance by general purpose interface bus GPIB or lan interfaces LAN;
Tested terminal, comprises ARM and DSP core, and the program that runs on ARM core is responsible for interlayer primitiveEncapsulate and split, and primitive is transmitted to DSP by Host Port Interface; Move tested physicsLayer program;
Described control appliance further comprises:
Signal source control module, for controlling signal source according to test case;
Data analysis module, for realizing the analysis to upstream data;
Serial port drive module, for realizing control and the management to serial ports;
Main control module, realizes control to testing process and the management of test case;
Responses match module, for mating response contents and the desired value of physical layer, man-machine interface is for selectingTest case and showing test results.
2. physical layer test macro as claimed in claim 1, is characterized in that the DSP of described tested terminalCore has two or more.
3. physical layer test macro as claimed in claim 1, is characterized in that, in described control appliance, uses USBSerial port drive module replaces serial port drive module, for realizing control and the management to USB mouth; Establish in controlBetween standby and tested terminal, also comprise serial ports/USB mouth converting unit, serial ports/USB mouth converting unit and controlControl equipment connects by USB mouth, is connected by serial ports with tested terminal.
4. physical layer test macro as claimed in claim 3, is characterized in that, uses comprehensive test instrument to replace vector signalAnalyzer and signal source, comprehensive test instrument is connected with control appliance by general purpose interface bus GPIB or LAN,The radiofrequency signal of the tested terminal of sending and receiving; Increase protocol adaptation module at control appliance, with serial ports/USBMouth converting unit is connected.
5. physical layer test macro as described in as arbitrary in claim 1-4, is characterized in that, described control appliance also wrapsDraw together tracking module, print the LOG information from test terminal ARM and DSP for real-time storage.
6. the physical layer method of testing based on ARM and DSP coenocytism, is characterized in that, comprising:
S101: the relevant primitive of test case is stored in control appliance, selects required test case in control appliance;
S102: control appliance, according to the demand of test case, utilizes GPIB or LAN interface to realize signalThe Remote configuration in source, makes the needed radiofrequency signal of its transmission test example;
S103: control appliance, according to the demand of test case, utilizes GPIB or LAN interface to realize vectorThe Remote configuration of signal analyzer, makes it can realize the automatic sampling to upward signal;
S104: control appliance utilization sends initialization command to tested terminal;
S105: tested terminal ARM receives multiple kernels and the outside to tested terminal after initialization commandEquipment initializes;
S106: initialized instruction to control appliance feedback after tested terminal completes and initializes;
S107: control appliance sends the required order of test case to tested terminal;
S108:ARM receives after this order according to mark and length check the completeness of order end to end; And goExcept identifying end to end; ARM is dealt into DSP to realize the triggering of physical layer inter-related task by this order;
S109:DSP receives the related physical channel content from signal source according to ARM order, and by resultForm with response feeds back to ARM;
S110: VSA detects the quality of uplink signal of DSP, and to control appliance endFeedback testing result;
S111:ARM adds the content of response to send to afterwards end to end control appliance end;
S112: control appliance end can notify VSA to carry out the sampling of IQ data;
S113: control appliance determines the particular content of bar order according to the content of response;
S114: repeating step S107-S113, until required order and the response of test case received and dispatched complete.
7. physical layer method of testing as claimed in claim 6, is suitable for the test of non-signaling mode, it is characterized in that,Between control appliance and tested terminal, carry out serial ports/USB mouth format conversion, S104, S107 are controlled and establishedPreparation converts serial ports form toward the information of tested terminal to by USB mouth, by tested to S106, S111 endThe information that end mails to control appliance converts USB mouth form to by serial ports.
8. physical layer method of testing as claimed in claim 6, is characterized in that, relevant test case primitive is deposited in advanceBe stored in the ARM memory of tested terminal, the flow process of controlling test case by ARM, specifically comprises:
S201-S203: S101-S103 is identical with step;
S204: control appliance sends the test case numbering of automatic control type to tested terminal, simultaneously to testedTerminal sends and starts test command;
S205: tested terminal ARM completes the initialization operation of each external equipment and DSP kernel;
S206:ARM extracts the next command of test case and is dealt into DSP by HPI mouth in test case storehouse;
S207:DSP receives the related physical channel content from signal source according to ARM order, and will tieFruit feeds back to ARM with the form of response;
S208:ARM determines whether respond to control appliance transmission according to response contents;
S209: repeating step S205-S208 until test case finish.
9. physical layer method of testing as claimed in claim 7, is characterized in that, for the test of signaling mode, and canTo replace signal source and VSA with comprehensive test instrument, and take protocol adaptation at control appliance end,Described protocol adaptation is also resolved the downlink data from comprehensive test instrument for generation of the data of up transmission, utilizesGPIB realizes the Long-distance Control to comprehensive test instrument.
10. the physical layer automated testing method based on ARM and DSP coenocytism, is characterized in that, comprising:
S301: all test cases of selecting to need test according to testing requirement in test case storehouse;
S302: select Automation regression testing mode;
S303: execute claims 6 step S101-S114 or execute claims 8 stepS201-S209；
S304: storage printing note test case execution result;
S305: console extracts next test case from test list;
S306: repeated execution of steps S303-S305 until all test cases tested.
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| CN103139822B (en) * | 2013-03-27 | 2016-08-31 | 武汉邮电科学研究院 | A kind of method that wireless communication system physical layer is carried out automatic test |
| CN105592492B (en) * | 2015-12-18 | 2019-02-26 | 重庆邮电大学 | High-level protocol stack conformance test platform and test method |
| CN106649094A (en) * | 2016-10-30 | 2017-05-10 | 合肥微匠信息科技有限公司 | Test method based on EventViewer development process |
| CN108900259B (en) * | 2018-06-21 | 2020-04-10 | 厦门大学 | Online underwater acoustic communication algorithm testing device based on multi-core processor |
| CN109002290B (en) * | 2018-10-15 | 2022-10-25 | 昆明理工鼎擎科技股份有限公司 | Integrated ECU embedded target code automatic generator and automatic generation method |
| CN113759246B (en) * | 2020-05-22 | 2024-01-30 | 北京机械设备研究所 | Dual-core processor-based motor drive test method and motor driver |
| CN112601244B (en) * | 2020-12-02 | 2022-10-04 | 支付宝(杭州)信息技术有限公司 | Air interface test method, device and equipment of wireless communication network |
| CN113505030A (en) * | 2021-06-16 | 2021-10-15 | 青岛本原微电子有限公司 | Digital signal processor testing device |
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Effective date of registration: 20181107 Address after: 201203 Building 1, exhibition hall, 2288 lane, 2288 Chong, road, Zhangjiang hi tech park, Shanghai Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: 400060 Nanping Road 199, Nanping Street, Nan'an District, Chongqing, 403 Patentee before: Keen (Chongqing) Microelectronics Technology Co.,Ltd. |
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Effective date of registration: 20190327 Address after: 361006 Xiamen Free Trade Pilot Area, Xiamen, Fujian Province, Unit X, 8th Floor, Unit 05, Building D, Xiamen International Shipping Center, 97 Xiangyu Road, Xiamen Section Patentee after: Xinxin Finance Leasing (Xiamen) Co.,Ltd. Address before: 201203 Building 1, exhibition hall, 2288 lane, 2288 Chong, road, Zhangjiang hi tech park, Shanghai Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. |
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Application publication date: 20120509 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xinxin Finance Leasing (Xiamen) Co.,Ltd. Contract record no.: X2021110000009 Denomination of invention: Physical layer test system and method based on arm and DSP multi core structure Granted publication date: 20160504 License type: Exclusive License Record date: 20210317 |
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Effective date of registration: 20221025 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: 361006 Xiamen Free Trade Pilot Area, Xiamen, Fujian Province, Unit X, 8th Floor, Unit 05, Building D, Xiamen International Shipping Center, 97 Xiangyu Road, Xiamen Section Patentee before: Xinxin Finance Leasing (Xiamen) Co.,Ltd. |
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