CN100433884C - System and method for testing receiving quality of wireless terminal equipment - Google Patents
System and method for testing receiving quality of wireless terminal equipment Download PDFInfo
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- CN100433884C CN100433884C CNB2006101133364A CN200610113336A CN100433884C CN 100433884 C CN100433884 C CN 100433884C CN B2006101133364 A CNB2006101133364 A CN B2006101133364A CN 200610113336 A CN200610113336 A CN 200610113336A CN 100433884 C CN100433884 C CN 100433884C
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Abstract
This invention discloses one system and method to test wireless terminal device receiving quality, wherein, the system comprises radio frequency signal generator, main control computer, wireless terminal device with isolation execution module and information interacting module. This invention method comprises the following steps: wireless terminal device enters physical control layer and wireless materials control layer into isolation status; radio frequency signal generator sends and sets radio signals to above wireless terminal device; the wireless terminal device demodulation receives radio signal and sends the signals back to main control computer to compute wireless terminal receive quality.
Description
Technical field
The present invention relates to a kind of wireless terminal device measuring technology, relate in particular to a kind of System and method for of measuring the digital mobile communication terminal equipment quality of reception.
Background technology
In digital mobile communication system, the error rate is an important performance indexes of check data transmission equipment and channel work quality thereof.The so-called error rate is wrong code element number shared ratio in total transmitted symbol number that wireless terminal device receives, perhaps, can be more precisely, the error rate is that code element is passed wrong probability in transmission system.Because what wireless terminal received from channel is data block, but not therefore single bit, when having error code in the data block that receives, just thinks that this data block that receives is an errored block at every turn.All errored block numbers shared ratio in all data blocks that receives is Block Error Rate, and this Block Error Rate also is the important performance indexes of check data transmission equipment and channel work quality thereof.Can learn the signal receiving quality that wireless terminal is current by calculating the error rate and Block Error Rate.
In the prior art, mobile communication code requirement wireless terminal device possesses " loopback mode ".Like this, wireless terminal device received signal quality tester sends the instruction and the test data piece of " entering loopback mode " to wireless terminal, wireless terminal carries out demodulation after receiving the test data piece, to separate the data block that mixes up again and send it back wireless terminal received signal quality tester by modulating again, the data block that the wireless terminal that its data block that is transmitted into wireless terminal is received with it by this tester sends it back compares, thereby calculates the error rate and the Block Error Rate of wireless terminal under current test environment.After above-mentioned " loopback mode " is meant that promptly the testing control module of wireless terminal device is received " radio bearer test " message from wireless terminal received signal quality tester, notify its inner Radio Resource control module, self has entered test pattern, and waits for " radio bearer foundation " request from the Radio Resource control module.In case receive this request, " loopback mode " of wireless terminal device is activated, all test data pieces from wireless terminal received signal quality tester that wireless terminal device receives all are looped back to the up-link wireless link, and are sent to wireless terminal received signal quality tester.
With GSM (Global System for Mobile communication, global system for mobile communications) is example, have only under the situation of test SIM (Subscriber Identity Module, cellphone subscriber's identification) card insertion mobile phone, the loopback mode of mobile phone just can be activated.On descending slow associated control channel, send order by the GSM comprehensive tester, make mobile phone enter loopback mode to mobile phone.At this moment, a stylobate station simulated by the GSM comprehensive tester and mobile phone is set up calling, and what originally transmit on Traffic Channel is encoded speech data, and be the pseudo random sequence bit this moment.These pseudo random sequence bits are modulated on the descending Traffic Channel, mobile phone carries out demodulation to the pseudo random sequence bit that receives, and be modulated to again on the up Traffic Channel, be sent to the GSM comprehensive tester, receive and demodulation by the GSM comprehensive tester, the pseudo random sequence bit of GSM comprehensive tester after with demodulation compares with the original pseudo random sequence bit that had before issued, thereby calculates the error rate and Block Error Rate.Power output by continuous adjustment GSM comprehensive tester, can calculate the error rate and Block Error Rate under the mobile phone unlike signal intensity, when the error rate and Block Error Rate were no more than certain set point, the power output of GSM comprehensive tester correspondence was the sensitivity of wireless terminal.
By above analysis as can be seen, in the prior art, the method for measuring receiving quality of wireless terminal equipment must depend on " loopback mode ", promptly must make wireless terminal device enter into " loopback mode " afterwards, just can carry out the measurement of the quality of reception.But along with the development of high-speed data service, most of testing equipments and wireless terminal device can't satisfy the loopback mode under the high-speed data service, and this can't carry out the test of receiving quality of wireless terminal equipment with regard to making.Though be exclusively used in the purpose that the software of testing the quality of reception also can reach test and in wireless terminal device, write, increased the manufacturing cost of wireless terminal device to a certain extent, reduce wireless terminal device and made efficient.
Summary of the invention
The present invention is directed to the shortcoming of prior art, a kind of System and method for of measuring receiving quality of wireless terminal equipment is provided, can not enter loopback mode and not write under the condition of ad hoc sofeware program the quality of reception of realization test wireless terminal device at wireless terminal device at wireless terminal device.
The system of measurement receiving quality of wireless terminal equipment of the present invention, comprise radio-frequency signal generator, main control computer and wireless terminal device, wherein, the physical control layer of described wireless terminal device and radio resource control layer and media access control layer are isolated
Described radio-frequency signal generator is used for sending the radiofrequency signal that comprises the pseudo random sequence bit to described wireless terminal device;
Described wireless terminal device is used to reconcile the described radiofrequency signal of reception, and will reconcile the data message that comprises the pseudo random sequence bit that obtains and return to described main control computer; And
Described main control computer is used for calculating according to the pseudo random sequence bit of the described data message that receives and the pseudo random sequence bit that prestores the quality of reception of described wireless terminal device.
Among the present invention, described radio-frequency signal generator has been set the radiofrequency signal that communication standard, data rate, frequency, transmitting power and code channel distribute to described wireless terminal device emission.
The communication standard of described radiofrequency signal, data rate, frequency, transmitting power and code channel distribute and are preestablished or set according to the instruction of main control computer by radio-frequency signal generator.
The communication standard of described wireless terminal device received RF signal, data rate, frequency and code channel distribute and distribute corresponding with communication standard, data rate, frequency and the code channel of radio-frequency signal generator emitting radio frequency signal.
The communication standard of described wireless terminal device received RF signal, data rate, frequency and code channel distribute and are preestablished or set according to the instruction of main control computer by wireless terminal device.
Described wireless terminal device comprises: the radiofrequency signal receiver module is used to receive the described radiofrequency signal that described radio-frequency signal generator sends;
Central processing unit be used for the described radiofrequency signal that receives is mediated, and the data message that will obtain after will reconciling sends to the information interaction module;
The isolation Executive Module is used for the instruction according to described central processing unit, and physical control layer and the radio resource control layer and the media access control layer of described wireless terminal device are isolated;
The information interaction module is used to receive the configuration information of described main control computer, and the described data message after the described central processing unit demodulation is sent to described main control computer.
Described main control computer comprises: MIM message input module, be used to receive external control instruction, and the described data message that sends of described wireless terminal device;
Quality of reception computing module is used for pseudo random sequence bit and the pseudo random sequence bit that prestores according to the described data message of described MIM message input module reception, and calculates the quality of reception of described wireless terminal device.
Described main control computer also comprises: the radiofrequency signal control module, be used for control command according to described MIM message input module input, and control described radio-frequency signal generator and launch described radiofrequency signal.
The present invention also provides a kind of method of measuring receiving quality of wireless terminal equipment.At first, after wireless terminal device entered the isolated state of physical control layer and radio resource control layer and media access control layer according to control command, described method comprised the steps:
Step 1, radio-frequency signal generator comprise the radiofrequency signal of pseudo random sequence bit to described wireless terminal device emission;
Step 2, the described radiofrequency signal that described wireless terminal device demodulate reception arrives, and the data message that comprises the pseudo random sequence bit that demodulation is obtained is back to main control computer;
Step 3, described main control computer calculate the quality of reception of described wireless terminal device according to the pseudo random sequence bit in the described data message that receives and the sequence bits that prestores.
The control command that above-mentioned wireless terminal device enters isolation derives from main control computer or is preestablished by wireless terminal device.
In the above-mentioned steps one, radio-frequency signal generator has been set the radiofrequency signal that communication standard, data rate, frequency, transmitting power and code channel distribute to the wireless terminal device emission.
In the above-mentioned steps one, the communication standard of radiofrequency signal, data rate, frequency, transmitting power and code channel distribute and are preestablished or set according to the instruction of main control computer by radio-frequency signal generator.
In the above-mentioned steps two, the communication standard of wireless terminal device received RF signal, data rate, frequency and code channel distribute and distribute corresponding with communication standard, data rate, frequency and the code channel of radio-frequency signal generator emitting radio frequency signal.
In the above-mentioned steps two, the communication standard of wireless terminal device received RF signal, data rate, frequency and code channel distribute and are preestablished or set according to the instruction of main control computer by wireless terminal device.
Among the present invention, radio-frequency signal generator comprises the data message of pseudo random sequence bit to the wireless terminal device emission that is in isolation with the radiofrequency signal form, wireless terminal device received RF signal and carry out demodulation under isolation, send to main control computer again and with data after demodulating information, main control computer is compared pseudo random sequence bit in the data message and predetermined pseudo random sequence bit one by one, thereby determine the error rate and the Block Error Rate of wireless terminal device, and the receiving sensitivity of wireless terminal device.With respect to prior art, wireless terminal device needn't enter special " loopback mode " among the present invention, needn't insert special test SIM card, needn't write special testing software to wireless terminal device, has improved the convenience of test; And, owing to utilize radio frequency cable line and the direct transmitting data information of holding wire among the present invention, and the quality of reception of wireless terminal device is determined in the comparison one by one that utilizes the pseudo random sequence bit in the data message, overcome the drawback that can't satisfy high-speed data service in the prior art, guaranteed the accuracy of test and expanded test specification.
Description of drawings
Fig. 1 is the system configuration schematic diagram of measurement receiving quality of wireless terminal equipment of the present invention;
Fig. 2 is the method flow diagram of measurement receiving quality of wireless terminal equipment of the present invention.
Embodiment
In the system of the present invention, each measuring equipment connects in wired mode, and by the quality of reception that wireless terminal device is determined in the comparison one by one of pseudo random sequence bit, can satisfy the quality of reception measurement requirement under the various transmission rates.
Be described further below in conjunction with the system and method for accompanying drawing measurement receiving quality of wireless terminal equipment of the present invention.
As shown in Figure 1, the system of measurement receiving quality of wireless terminal equipment of the present invention comprises radio-frequency signal generator, main control computer, wireless terminal device, and connects the communication control line between the radio frequency cable line of radio-frequency signal generator and wireless terminal device, the holding wire that connects wireless terminal device and main control computer, connection main control computer and the radio-frequency signal generator.
Described radio-frequency signal generator is used for the radiofrequency signal by radio frequency cable alignment wireless terminal device emission setting, and it specifically can comprise central processing unit and emission of radio frequency signals module.
Wherein, central processing unit is used to finish data processing function.For example, set communication standard, data rate, frequency, transmitting power and the code channel distribution of emission of radio frequency signals module emitting radio frequency signal according to the instruction of main control computer.Certainly, the communication standard of emission of radio frequency signals module emitting radio frequency signal, data rate, frequency, transmitting power and code channel distribute and also can set in advance, in such cases, central processing unit is at every turn all according to predefined communication standard, data rate, frequency, transmitting power and the code channel control emission of radio frequency signals module that distributes.
The emission of radio frequency signals module is used for the data processed result according to central processing unit, to the radiofrequency signal of wireless terminal device emission setting.For example, distribute to the wireless terminal device emitting radio frequency signal according to the communication standard of setting, data rate, frequency, transmitting power and code channel.The radiofrequency signal of described emission is the data block that comprises the pseudo random sequence bit, these data blocks can adopt be used for data transmission set test error code the M sequence as data block, for example, adopting proper polynomial is the PN9 sequence of X9+X5+1.The PN9 sequence period is enrolled in order in the data block of corresponding business transmission channel according to the data rate of setting, launch with the radiofrequency signal form by the emission of radio frequency signals module again.
Described wireless terminal device enters isolation according to the instruction of main control computer, and the radiofrequency signal that receives is carried out demodulation, and the data message that demodulation is obtained is sent to main control computer by holding wire again.
This wireless terminal device specifically can comprise radiofrequency signal receiver module, central processing unit, information interaction module and isolation Executive Module.
Wherein, the radiofrequency signal receiver module is used for the next radiofrequency signal of command reception radio-frequency signal generator emission according to central processing unit.This radiofrequency signal receiver module is corresponding with emission of radio frequency signals module in the radio-frequency signal generator, and promptly the communication standard of this radiofrequency signal receiver module received RF signal, data rate, frequency and code channel distribute and distribute corresponding identical respectively with communication standard, data rate, frequency and the code channel of emission of radio frequency signals module.
Central processing unit is used to finish data processing function.Communication standard, data rate, frequency and the code channel distribution of radiofrequency signal receiver module for example, are set according to the configuration information of main control computer.Certainly, the communication standard that the radio frequency signal receiving module is configured, data rate, frequency and code channel distribution also can be that wireless terminal device is predefined herein, at this moment, predefined communication standard, data rate, frequency and code channel distribute and distribute corresponding with communication standard, data rate, frequency and the code channel of radio-frequency signal generator emitting radio frequency signal.
And for example, the radiofrequency signal that receives is carried out demodulation, and the data message that obtains after the demodulation is sent to the information interaction module.Radiofrequency signal according to above-mentioned radio-frequency signal generator emission is the data block that comprises the pseudo random sequence bit, and therefore, central processing unit carries out the data message that demodulation can obtain comprising the pseudo random sequence bit to the radiofrequency signal that receives.
And for example, trigger the isolation Executive Module according to data processed result.When wireless terminal device receives outsidely when requiring its instruction that enters isolation, central processing unit can trigger the isolation Executive Module; When wireless terminal device receive the main control computer requirement its when entering the instruction of isolation, central processing unit also can trigger the isolation Executive Module.
The information interaction module is used to receive the configuration information of main control computer, and the data message after the central processing unit demodulation is sent to main control computer.This information interaction module can be utilized the holding wire between wireless terminal device and the main control computer, and the outside port by wireless terminal device receives the configuration information of main control computer, and the data message after the central processing unit demodulation is sent to main control computer.After the information interaction module receives the configuration information of main control computer, control radiofrequency signal receiver module received RF signal according to this configuration information by central processing unit.
The isolation Executive Module is used for the instruction according to central processing unit, and physical control layer and the radio resource control layer and the media access control layer of wireless terminal device are isolated.After the isolation, wireless terminal device no longer carries out behind the normal boot-strap and the message interaction process between the base station.For example, wireless terminal device no longer carries out network registry, the renewal in sub-district, lane place, route district, random access procedure and measurement control procedure.Wireless terminal device to radiofrequency signal catch and synchronously, the demodulation sign indicating number of radiofrequency signal and the data message after main control computer sends demodulation all be based on finish on this isolation.After wireless terminal device enters isolation, its radio resource control layer and media access control layer etc. are substituted by the information interaction module with the closely-related upper layer software (applications) module of physical control layer, and described information interaction module is carried out interacting message by the outside port and the main control computer of wireless terminal device.
Described main control computer is used for calculating the quality of reception of wireless terminal device according to its data message that receives and the data message that prestores.
Be provided with central processing unit, quality of reception computing module in this main control computer, show output module, radiofrequency signal control module and MIM message input module.
Described central processing unit is used to finish data processing function.
Described MIM message input module is used to receive external control instruction, and the data message that sends of wireless terminal device.Described external control instruction can be the instruction that each module in the main control computer is controlled, for example, input requires the Block Error Rate and the error rate corresponding to the wireless terminal device reception data-signal that show that output calculates to showing the control command of output module; Or input requires to calculate the Block Error Rate and the error rate that wireless terminal device receives data-signal to receiving the control command of Mass Calculation module; Or import the instruction that radio frequency signal controlling module is controlled, make radiofrequency signal control module control radio-frequency signal generator by the configuration information emitting radio frequency signal of setting.
Described radiofrequency signal control module is used for the control command according to the MIM message input module input, control radio-frequency signal generator emitting radio frequency signal.For example, communication standard, data rate, frequency and code channel that MIM message input module has been imported the radiofrequency signal of desire emission distribute, and then radiofrequency signal control module control radio-frequency signal generator is with above-mentioned communication standard, data rate, frequency and code channel distribution emitting radio frequency signal.
Described quality of reception computing module is used for data message that receives according to MIM message input module and the data message that prestores, and calculates the Block Error Rate and the error rate of wireless terminal device receiving data information.Comprised the pseudo random sequence bit in the data message that the wireless terminal device that main control computer receives sends, and the identical data message of radiofrequency signal with radio-frequency signal generator emission of in main control computer, having prestored, also comprised the pseudo random sequence bit in the data message that prestores, the pseudo random sequence bit that comprises in the pairing data block of radiofrequency signal of this pseudo random sequence bit and radio-frequency signal generator emission is identical.
Quality of reception computing module extracts the pseudo random sequence bit that comprises in the data message, and according to the Correlation properties of pseudo random sequence bit, find out first position of bit correspondence in the pseudo random sequence bit of the data message that main control computer receives, afterwards, one by one pseudo random sequence bit in the data message that receives and pseudo random sequence bit in the data block that prestores are compared, determine the quantity of error code in the data block that main control computer receives, and the quantity that contains the data block of error code.Above-mentioned error code and the quantity that comprises the data block of error code promptly equal the quantity that wireless terminal device receives error code and contains the data block of error code, thus, can calculate the error rate and the Block Error Rate of reflection receiving quality of wireless terminal equipment.
Described demonstration output module is used to export the data processed result of central processing unit, and the error rate and the Block Error Rate of the calculating of quality of reception computing module.
Among the present invention, main control computer counts the error rate and the Block Error Rate of wireless terminal device receiving data information under the current radio-frequency signal generator transmitting power, if the error rate and the Block Error Rate that calculate all are lower than set point, then can further reduce the transmitting power of radio-frequency signal generator, afterwards, calculate the current error rate and Block Error Rate again, if the error rate and the Block Error Rate that calculate equal set point, the difference of the power output of radio-frequency signal generator and the loss power on the radio frequency cable line is the receiving sensitivity of wireless terminal device so, at this moment.
Among the present invention, the data message that will comprise the pseudo random sequence bit is transmitted into wireless terminal device with the radiofrequency signal form by the radio frequency cable line between radio-frequency signal generator and the wireless terminal device, wireless terminal device is under specific isolation, be under the state of physical control layer and radio resource control layer and media access control layer isolation, the radiofrequency signal that receives is carried out demodulation, and data after demodulating information sent to main control computer, main control computer contrasts pseudo random sequence bit in the data message and the pseudo random sequence bit of being scheduled to one by one, thereby determine the error rate and the Block Error Rate of wireless terminal device, and the receiving sensitivity of wireless terminal device.With respect to prior art, owing to realized the isolation of physical control layer and radio resource control layer and media access control layer among the present invention, make wireless terminal device not enter special " loopback mode ", needn't insert special test SIM card, needn't write under the situation of specific test program in advance, just can finish measurement, improve the convenience of test receiving quality of wireless terminal equipment; And, owing to utilize radio frequency cable line and the direct transmitting data information of holding wire among the present invention, and the quality of reception of wireless terminal device is determined in the contrast one by one that utilizes the pseudo random sequence bit in the data message, overcome the drawback that can't satisfy high-speed data service in the prior art, guaranteed the accuracy of test and expanded test specification.
The present invention also provides a kind of method of measuring receiving quality of wireless terminal equipment, as shown in Figure 2, comprises the steps:
In this step, the control command that wireless terminal device receives both can derive from outside main control computer, and promptly the control command by main control computer enters isolation; Control command also can derive from the setting button of wireless terminal device itself, and promptly this setting button is corresponding to triggering the order that wireless terminal device enters isolation, and when this button was pressed, wireless terminal device entered isolation.
Described isolation, the i.e. isolated state of physical control layer and radio resource control layer and media access control layer.Following each step all is based on carries out under this isolation.Under this isolation, wireless terminal device no longer carries out behind the normal boot-strap and the message interaction process between the base station, for example, wireless terminal device no longer carries out network registry, the renewal in sub-district, lane place, route district, random access procedure and measure control procedure, and only finishing the catching and synchronizing process of radiofrequency signal is to guarantee wireless terminal device correct demodulation sign indicating number radiofrequency signal under the configuration of main control computer.Under this isolation, the radio resource control layer of wireless terminal device and media access control layer etc. are substituted by the information interaction module with the closely-related upper layer software (applications) module of physical control layer, and this information interaction module is carried out interacting message by the outside port and the main control computer of wireless terminal device.
In this step, the radiofrequency signal that radio-frequency signal generator is set to the wireless terminal device emission that is in isolation, this radiofrequency signal is the data block that comprises the pseudo random sequence bit, these data blocks can adopt be used for data transmission set test error code the M sequence as data block, for example, adopting proper polynomial is the PN9 sequence of X9+X5+1.The PN9 sequence period is enrolled in order in the data block of corresponding business transmission channel according to the data rate of setting, launch with the radiofrequency signal form by radio-frequency signal generator again.
Described data message both can be that radio-frequency signal generator is predefined, also can set by external command.For example, by the configuration information of main control computer input, make radio-frequency signal generator according to this configuration information emitting radio frequency signal to radio-frequency signal generator.
For guarantee wireless terminal device correctly the received RF signal generator radiofrequency signal and carry out correct demodulation, communication standard, data rate, frequency that the communication standard during the emission of radio frequency signals radiofrequency signal, data rate, frequency and code channel distribute should be respectively with the wireless terminal device received RF signal time are identical with the code channel distribution.
After wireless terminal receives radiofrequency signal, radiofrequency signal is carried out demodulation, therefrom obtain data message, comprised the pseudo random sequence bit in this data message.Data message after the wireless terminal device demodulation is back to main control computer by its outside port.
In this step, comprised the pseudo random sequence bit in the data message that main control computer receives, and, the pseudo random sequence bit that comprises during radio-frequency signal generator emission data message also is that main control computer is known, for example, main control computer can be learnt the pseudo random sequence bit that comprises in the data message by radio-frequency signal generator is set configuration information, perhaps, when the configuration information of radio-frequency signal generator is when preestablishing, also can be with the main control computer of this predefined configuration information announcement.
Main control computer contrasts the pseudo random sequence bit that comprises in its data message that receives and known pseudo random sequence bit one by one, sensitivity with the error rate, Block Error Rate and the wireless terminal device received signal of determining the wireless terminal device received signal.
Owing to realized the isolation of physical control layer and radio resource control layer and media access control layer among the present invention, make wireless terminal device not enter special " loopback mode ", needn't insert special test SIM card, needn't write under the situation of specific test program in advance, just can finish measurement, improve the convenience of test receiving quality of wireless terminal equipment; And, owing to utilize radio frequency cable line and the direct transmitting data information of holding wire among the present invention, and the quality of reception of wireless terminal device is determined in the contrast one by one that utilizes the pseudo random sequence bit in the data message, overcome the drawback that can't satisfy high-speed data service in the prior art, guaranteed the accuracy of test and expanded test specification.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification and the execution mode, it can be applied to various suitable the field of the invention fully, for those skilled in the art, can easily realize other modification, therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the present invention is not limited to specific details and illustrates here and describe.
Claims (14)
1. system of measuring receiving quality of wireless terminal equipment, comprise radio-frequency signal generator, main control computer and wireless terminal device, it is characterized in that the physical control layer of described wireless terminal device and radio resource control layer and media access control layer are isolated
Described radio-frequency signal generator is used for sending the radiofrequency signal that comprises the pseudo random sequence bit to described wireless terminal device;
Described wireless terminal device is used to reconcile the described radiofrequency signal of reception, and will reconcile the data message that comprises the pseudo random sequence bit that obtains and return to described main control computer; And
Described main control computer is used for calculating according to the pseudo random sequence bit of the described data message that receives and the pseudo random sequence bit that prestores the quality of reception of described wireless terminal device.
2. the system as claimed in claim 1 is characterized in that, described radio-frequency signal generator has been set the described radiofrequency signal that communication standard, data rate, frequency, transmitting power and code channel distribute to described wireless terminal device emission.
3. system as claimed in claim 2 is characterized in that, the communication standard of described radiofrequency signal, data rate, frequency, transmitting power and code channel distribute and preestablished or set according to the instruction of main control computer by radio-frequency signal generator.
4. system as claimed in claim 2, it is characterized in that the communication standard of described wireless terminal device received RF signal, data rate, frequency and code channel distribute and distribute corresponding with communication standard, data rate, frequency and the code channel of radio-frequency signal generator emitting radio frequency signal.
5. system as claimed in claim 4 is characterized in that, the communication standard of described wireless terminal device received RF signal, data rate, frequency and code channel distribute and preestablished or set according to the instruction of main control computer by wireless terminal device.
6. the system as claimed in claim 1 is characterized in that, described wireless terminal device comprises:
The radiofrequency signal receiver module is used to receive the described radiofrequency signal that described radio-frequency signal generator sends;
Central processing unit is used for the described radiofrequency signal that receives is carried out demodulation, and the data message that obtains after the demodulation is sent to the information interaction module;
The isolation Executive Module is used for the instruction according to described central processing unit, and physical control layer and the radio resource control layer and the media access control layer of described wireless terminal device are isolated;
The information interaction module is used to receive the configuration information of described main control computer, and the described data message after the described central processing unit demodulation is sent to described main control computer.
7. system as claimed in claim 6 is characterized in that, described main control computer comprises:
MIM message input module is used to receive external control instruction, and the described data message that sends of described wireless terminal device;
Quality of reception computing module is used for pseudo random sequence bit and the pseudo random sequence bit that prestores according to the described data message of described MIM message input module reception, and calculates the quality of reception of described wireless terminal device.
8. system as claimed in claim 7 is characterized in that, described main control computer also comprises:
The radiofrequency signal control module is used for the control command according to described MIM message input module input, controls described radio-frequency signal generator and launches described radiofrequency signal.
9. a method of measuring receiving quality of wireless terminal equipment is characterized in that, after wireless terminal device entered the isolated state of physical control layer and radio resource control layer and media access control layer according to control command, described method comprised the steps:
Step 1, radio-frequency signal generator comprise the radiofrequency signal of pseudo random sequence bit to described wireless terminal device emission;
Step 2, the described radiofrequency signal that described wireless terminal device demodulate reception arrives, and the data message that comprises the pseudo random sequence bit that demodulation is obtained is back to main control computer;
Step 3, pseudo random sequence bit in the described main control computer basis described data message that receives and the pseudo random sequence bit that prestores calculate the quality of reception of described wireless terminal device.
10. method as claimed in claim 9 is characterized in that, in the described step 1, described radio-frequency signal generator has been set the radiofrequency signal that communication standard, data rate, frequency, transmitting power and code channel distribute to described wireless terminal device emission.
11. method as claimed in claim 10 is characterized in that, in the described step 1, the communication standard of radiofrequency signal, data rate, frequency, transmitting power and code channel distribute and are preestablished or set according to the instruction of main control computer by radio-frequency signal generator.
12. method as claimed in claim 10, it is characterized in that, in the described step 2, the communication standard of wireless terminal device received RF signal, data rate, frequency and code channel distribute and distribute corresponding with communication standard, data rate, frequency and the code channel of radio-frequency signal generator emitting radio frequency signal.
13. method as claimed in claim 12, it is characterized in that, in the described step 2, the communication standard of wireless terminal device received RF signal, data rate, frequency and code channel distribute and are preestablished or set according to the instruction of main control computer by wireless terminal device.
14. method as claimed in claim 9 is characterized in that, the control command that described wireless terminal device enters isolation derives from main control computer or is preestablished by wireless terminal device.
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| CN101500253B (en) * | 2008-01-29 | 2014-09-17 | 大唐移动通信设备有限公司 | Test system and method for base station uplink transmission channel performance |
| CN104168583B (en) * | 2013-05-17 | 2018-07-20 | 深圳市豪恩安全科技有限公司 | A kind of wireless bidirectional communication test method, device and system |
| CN105355021B (en) * | 2015-11-23 | 2018-10-26 | 苏州工业职业技术学院 | Long-distance wireless meter-reading system based on ZigBee and its method for testing performance |
| CN108288366A (en) * | 2017-01-07 | 2018-07-17 | 华东交通大学 | Infrared and radio number passes detector |
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| US20060186893A1 (en) * | 2001-06-22 | 2006-08-24 | Schmidt Dominik J | Systems and methods for testing wireless devices |
| CN101064572A (en) * | 2006-04-25 | 2007-10-31 | 华为技术有限公司 | Method, test tool and test system for testing sensitivity of terminal receiver |
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2006
- 2006-09-22 CN CNB2006101133364A patent/CN100433884C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995025390A1 (en) * | 1994-03-16 | 1995-09-21 | Telstra Corporation Limited | A method and apparatus for measuring digital radio interference |
| US6137830A (en) * | 1998-01-16 | 2000-10-24 | Motorola | Measuring bit error rate performance of a receiver by the receiver and conveying measurement acoustically |
| US20060186893A1 (en) * | 2001-06-22 | 2006-08-24 | Schmidt Dominik J | Systems and methods for testing wireless devices |
| CN1799220A (en) * | 2003-05-30 | 2006-07-05 | 罗德施瓦兹两合股份有限公司 | Method and test device for detecting an error rate |
| WO2005125067A1 (en) * | 2004-06-21 | 2005-12-29 | Elektrobit Testing Oy | Testing of radio frequency communication devices |
| CN1728626A (en) * | 2004-07-27 | 2006-02-01 | 中兴通讯股份有限公司 | Method and device for detecting error code in wireless digital communication system |
| CN1731690A (en) * | 2004-08-04 | 2006-02-08 | 乐金电子(中国)研究开发中心有限公司 | Signal receiving sensitivity improving apparatus for mobile terminal |
| CN101064572A (en) * | 2006-04-25 | 2007-10-31 | 华为技术有限公司 | Method, test tool and test system for testing sensitivity of terminal receiver |
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