CN106470077A - A kind of parallel channel method of testing and system - Google Patents
A kind of parallel channel method of testing and system Download PDFInfo
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- CN106470077A CN106470077A CN201510520027.8A CN201510520027A CN106470077A CN 106470077 A CN106470077 A CN 106470077A CN 201510520027 A CN201510520027 A CN 201510520027A CN 106470077 A CN106470077 A CN 106470077A
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Abstract
The present invention provides a kind of parallel channel method of testing and system, and described system includes：User configuration module, carries out signal transmission and presets at least one signal processing algorithm for configuring multiple data channel；Can customize expansion sending module, be transmitted by corresponding emission port for the data channel quantity corresponding multiple signals of generation according to configuration and by described multiple signals；Can customize expansion receiver module, for can customize the multiple signals expanding sending module transmission described in receiving and signal resolution carried out according to signal processing algorithm default in described user configuration module simultaneously；Flow table, can customize the data obtaining after expanding the signal that receiver module receives and described signal resolution for synchronous storage；Synchronised clock module, for making the signal real-time synchronization of transmitting terminal and receiving terminal；D GPS locating module, for the position at localizing emission end and receiving terminal.The present invention can receive and dispatch multiple signals parallel and analyze and process all kind of modulations signal in real time.
Description
Technical field
The present invention relates to multi-signal parallel transmit-receive technology field, and more particularly to modular vector receives and dispatches the parallel channel test of instrument
Technical field, specially a kind of parallel channel method of testing and system.
Background technology
With the development of wireless communication technology, the evolution speed of communication standard is being accelerated, often simultaneously integrated many in new generation product
Plant communication protocol, the factor of impact communication quality is many, such as interference signal, electromagnetic noise, multipath transmisstion, transmitter
Relative motion of device and receiving instrument etc..Measured by reality, wireless channel is inputted with the signal of certain forms, by receiving
End signal come to estimate the propagation characteristic of wireless channel be present channel measurement and mobile communication system design Main Means.In order to
Can adapt to the channel test environment becoming increasingly complex, numerous instrument and equipment manufacturers adopt different design scheme of hardware and software and test
Technological means come to improve testing efficiency and reduce testing cost, in the past few decades in, the channel testing system frame of software definition
Structure has become as main flow.Become to be increasingly complexity due to the condition of radio communication channel test environment, engineers are faced with work(
Can strengthen and pendulous frequency increase with cost face a difficult choice.
In wireless standard increasingly diversification, and it is necessary to the test reducing channel circumstance becomes while equipment complexity grows with each passing day
This, possess high accurate testing degree, and shorten the characteristic test time.Dedicated channel test instrunment equipment is had no on Vehicles Collected from Market,
Generally use is emission of radio frequency signals instrument and receiving instrument, radiofrequency signal can only unidirectional serial transmission although commercial Radio Frequency survey
Test instrument equipment employs FPGA, but generally these FPGA are airtight and function is fixed, be only used for specific purpose it is allowed to from
The scope very little of customization.Increasingly complicated with test environment conditions, test function demand also more and more higher, certainly will will design new
Test system, could solve the problems, such as that channel test application becomes increasingly complex.
Content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of parallel channel method of testing and system,
For solving the problems, such as to carry out channel test with the criminal of unidirectional serial transmission in prior art.
For achieving the above object and other related purposes, a kind of parallel channel test system, described parallel channel test system includes：
User configuration module, carries out signal transmission and presets at least one signal processing algorithm for configuring multiple data channel；Can make by oneself
Justice expands sending module, is connected with described user configuration module, for the data channel according to configuration in described user configuration module
Quantity is produced corresponding multiple signals and is transmitted described multiple signals by corresponding emission port；Can customize expansion to connect
Receive module, be connected with described user configuration module and the described expansion sending module that can customize respectively, for can described in receiving simultaneously
The multiple signals of self-defined expansion sending module transmission simultaneously carry out letter according to signal processing algorithm default in described user configuration module
Number parsing；Flow table, being connected with the described expansion receiver module that can customize, receiving mould for can customize expansion described in synchronous storage
The data obtaining after signal that block receives and described signal resolution；Synchronised clock module, can customize expansion with described respectively
Mould is sent to be connected with the described expansion receiver module that can customize, for making the signal real-time synchronization of transmitting terminal and receiving terminal；GPS location
Module, respectively with described can customize expansion send mould and described can customize expansion receiver module be connected, for localizing emission end
Position with receiving terminal.
Preferably, in described user configuration module, the quantity of the data channel of configuration is 1～8；The rf frequency of data channel is
85MHz～6.6GHz.
Preferably, described synchronised clock module by each passage simultaneously sending signal when the phase contrast that produces be limited in 30ps～60ps
Interior.
Preferably, described synchronised clock module is additionally operable to according to described signal processing algorithm to described synchronised clock module to same in real time
The signal that step is processed carries out correction process.
Preferably, described flow table is expanding receiver module and is receiving what described signal and described signal resolution obtained from described can customize
During data, controlling to the described sample rate that can customize each passage in expansion receiver module is 10MS/s, the data of each passage
Measure as 20MB/s.
For achieving the above object, present aspect also provides a kind of parallel channel method of testing, and described parallel channel method of testing includes：
Configure multiple data channel to carry out signal transmission and preset at least one signal processing algorithm；Data channel quantity according to configuration is produced
Described multiple signals are simultaneously transmitted by raw corresponding multiple signals by corresponding emission port；Receive multiple signals root simultaneously
Carry out signal resolution according to default signal processing algorithm；The data obtaining after synchronously storing the signal receiving and described signal resolution；
Make transmitting terminal and the signal real-time synchronization of receiving terminal the position of localizing emission end and receiving terminal.
Preferably, the quantity of the data channel of configuration is 1～8；The rf frequency of data channel is 85MHz～6.6GHz.
Preferably, by each passage simultaneously sending signal when the phase contrast that produces be limited in 30ps～60ps.
Preferably, described parallel channel method of testing also includes：According to described signal processing algorithm to the letter after real-time synchronization process
Number carry out correction process.
Preferably, during the data obtaining after the signal that storage receives and described signal resolution, control the sampling to each passage
Rate is 10MS/s, and the data volume to each passage is 20MB/s.
As described above, a kind of parallel channel method of testing of the present invention and system, have the advantages that：
The present invention passes through User Defined arrange parameter, generates multiple signals and is transferred to receiving terminal by sending module, and adopts
Synchronized algorithm and location algorithm carry out real-time data transmission, the signal of transmission are stored in flow table simultaneously and are analyzed and process,
Multiple signals can be received and dispatched parallel and analyze and process all kind of modulations signal in real time, strengthen compilation speed and test function, reduce measurement time
Number, reduces measurement cost.Therefore, the present invention is especially suitable for channel circumstance measurement complicated and changeable.
Brief description
Fig. 1 is shown as a kind of schematic flow sheet of parallel channel method of testing of the present invention.
Fig. 2 is shown as a kind of structural representation of parallel channel test system of the present invention.
Component label instructions
1 parallel channel test system
11 user configuration module
12 can customize expansion sending module
13 can customize expansion receiver module
14 flow tables
15 synchronised clock modules
16 d GPS locating modules
S11～S15 step
Specific embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art can be disclosed by this specification
Content understand other advantages and effect of the present invention easily.The present invention can also be added by addition different specific embodiments
To implement or to apply, the every details in this specification can also be based on different viewpoints and application, in the essence without departing from the present invention
Carry out various modifications and changes under god.
The purpose of the present embodiment is to provide a kind of parallel channel method of testing and system, for solve can only be with list in prior art
The criminal problem carrying out channel test serially transmitted.A kind of parallel channel method of testing of the present embodiment described in detail below
And the principle of system and embodiment, make those skilled in the art not need creative work to be appreciated that one kind of the present embodiment simultaneously
Row channel test method and system.
Parallel channel method of testing in embodiment and system can apply the collection of channel test data it is adaptable to any ring in outfield
The measurement in border, such as city hot spot region, high ferro expressway, fairground compact district, the test scene such as mountain forest open ground.
Parallel channel method of testing in the present embodiment and system strengthen test function by modular technology and increase test instrunment
Motility, by parallel transmission technology, to accelerate test speed, by synchronized algorithm and location algorithm, strengthens testing reliability.
In the present embodiment, user can extend multiple sending modules according to actual test demand, is configured not by parameter setting and definition
Same emission port, strengthens its motility and autgmentability.In sending module and receiver module add fine synchronization algorithm so that
Receiving terminal can Real-time demodulation analytical data, the signal of transmission is stored in flow table simultaneously and is analyzed and processes, can be parallel
Transmitting-receiving multiple signals simultaneously analyze and process all kind of modulations signal in real time.
Specifically, as shown in figure 1, the present embodiment provides a kind of parallel channel method of testing, described parallel channel method of testing bag
Include following steps.
Step S11, configures multiple data channel and carries out signal transmission and preset at least one signal processing algorithm.For realizing setting
Put the control of custom parameter and signal transmitting and receiving.
Specifically, in the present embodiment, data channel is sending port, and the quantity of the data channel of configuration is 1～8；Data
The rf frequency of passage is 85MHz～6.6GHz that is to say, that rf frequency can set from 85MHz to 6.6GHz, neatly
Expand the scope of application.By described signal processing algorithm can real time parsing data, reduce time delay and frequency deviation, specifically, user
Following signal processing algorithm can be increased according to self-demand：In signal processing algorithm in precoding technique, multi-transceiver technology
Signal processing algorithm, channel estimation method, equalization algorithm etc..
Specifically, step S11 can be by being realized using Labview programming, and upper interface is user interface, lower floor
The new technique algorithm routine that interface increases for user, user can configure any 1～8 passage in upper interface and carry out signal transmission,
Rf frequency can set from 85MHz to 6.6GHz.So employ Software Radio platform pattern, motility and extensibility obtain
Arrive raising, be that user of service brings self-defining experience lifting.
Step S12, the data channel quantity according to configuration produces corresponding multiple signals and passes through described multiple signals corresponding
Emission port is transmitted.In the present embodiment, can with self-defined multiple signals produce and receive, wherein, generation described many
Road signal can be but be not limited to sine wave signal, pulse wave signal or frequency-modulated wave signal.
In step s 12,8 road signal transmitting and receiving modules can be included, can receipt signal and sending signal simultaneously, can according to
Selecting the sending module of varying number to carry out signal transmission, signal transmitting and receiving module can produce sine to the sending port quantity of family configuration
Ripple, impulse wave, frequency-modulated wave etc., so the parallel channel method of testing in the present embodiment adopts parallel pattern, can be received
Send out reciprocity and full-duplex channel to measure, it is to avoid the impact to channel test for the signal coherence duration.
Step S13, receives multiple signals simultaneously and carries out signal resolution according to default signal processing algorithm；In step s 13,
8 road signal transmitting and receiving modules can also be included, can receipt signal and sending signal simultaneously, simultaneously according to user configuring receiving port number
Measure and to select the receiver module of varying number to carry out signal reception, and the signal receiving is stored.
Step S14, the data obtaining after synchronously storing the signal receiving and described signal resolution；Specifically, in the present embodiment
In, during the data obtaining after the signal that storage receives and described signal resolution, the sample rate controlling each passage is 10MS/s,
The data volume of each passage is 20MB/s.
In step S14, can synchronously store, through but not limited to flow table, the number obtaining after the signal receiving and described signal resolution
According to.
Described flow table includes R/W speed of hard disc and system bus bandwidth, and when signal receives, the sample rate of each passage is that 10MS/s is every
The data volume of individual passage is 20MB/s, and the data volume of eight passages is 160MB/s, and in the present embodiment, flow table can be by 160MHz
The real time data Coutinuous store of bandwidth.
Step S15, makes transmitting terminal and the signal real-time synchronization of receiving terminal the position of localizing emission end and receiving terminal.
Specifically, in the present embodiment, by each passage simultaneously sending signal when the phase contrast that produces be limited in 30ps～60ps.
Further, in the present embodiment, described parallel channel method of testing also includes：According to described signal processing algorithm to real-time
Signal after synchronization process carries out correction process.
So in the present embodiment, within ns can be limited in the phase error between multichannel using precise synchronization technology, and lead to
Later continue Processing Algorithm to be rectified a deviation, improve synchronization accuracy further.And GPS location can be carried out using GPS location algorithm,
Under test mobile condition, transmitting terminal and receiving terminal can be accurately positioned it is ensured that the stability of signal transmission.
For realizing a kind of above-mentioned parallel channel method of testing, as shown in Fig. 2 the present embodiment is corresponding provides a kind of parallel channel
Test system 1, described parallel channel test system 1 includes：User configuration module 11, can customize expansion sending module 12,
Can customize expansion receiver module 13, flow table 14, synchronised clock module 15 and d GPS locating module 16.
Described user configuration module 11 is used for configuring multiple data channel and carries out signal transmission and preset at least one signal processing and calculate
Method；Described user configuration module 11 is used for realizing the control of setting custom parameter and signal transmitting and receiving.
Specifically, in the present embodiment, data channel is sending port, and the configurable data of described user configuration module 11 is led to
The quantity in road is 1～8, the rf frequency of data channel be 85MHz～6.6GHz that is to say, that rf frequency from 85MHz to
6.6GHz can set, neatly expand the scope of application.By described signal processing algorithm can real time parsing data, reduce time delay and
Frequency deviation, specifically, user can be according to the self-demand following signal processing algorithm of increase：Signal processing in precoding technique is calculated
Signal processing algorithm in method, multi-transceiver technology, channel estimation method, equalization algorithm etc..
Specifically, described user configuration module 11 can be by being realized using Labview programming, and upper interface is user operation
Interface, the new technique algorithm routine that lower interface increases for user, user can configure any 1～8 passage in upper interface and enter
Row signal transmission, rf frequency can set from 85MHz to 6.6GHz.So employ Software Radio platform pattern, motility
It is improved with extensibility, be that user of service brings self-defining experience lifting.
The described expansion sending module 12 that can customize is connected with described user configuration module 11, for according to described user configuring mould
In block 11, the data channel quantity of configuration is produced corresponding multiple signals and is entered described multiple signals by corresponding emission port
Row sends.
In the present embodiment, described can customize expansion sending module 12 can with self-defined multiple signals produce and receive, described can
The multiple signals producing in self-defined expansion sending module 12 are but are not limited to sine wave signal, pulse wave signal or frequency-modulated wave signal.
The described expansion sending module 12 that can customize includes 8 road signal transmitting and receiving modules, can receipt signal and sending signal simultaneously, can
To select the sending module of varying number to carry out letter according to sending port quantity user configured in described user configuration module 11
Number send, signal transmitting and receiving module can produce sine wave, impulse wave, frequency-modulated wave etc., so the parallel channel test in the present embodiment
Method adopts parallel pattern, can carry out receiving and dispatching reciprocity measuring with full-duplex channel, it is to avoid signal coherence duration is surveyed to channel
The impact of examination.
The described expansion receiver module 13 that can customize expands transmission mould with described user configuration module 11 and described can customize respectively
Block 12 is connected, for can customize the multiple signals expanding sending module 12 transmission described in receiving and joined according to described user simultaneously
Put default signal processing algorithm in module 11 and carry out signal resolution.
The described expansion receiver module 13 that can customize also includes 8 road signal transmitting and receiving modules, can receipt signal and sending signal simultaneously,
Select the receiver module of varying number to carry out letter according to user configuring receiving port quantity in described user configuration module 11 simultaneously
Number receive, and the signal receiving is sent stored to flow table 14.
Described flow table 14 is connected with the described expansion receiver module 13 that can customize, and connects for can customize expansion described in synchronous storage
The data obtaining after receiving the signal that receives of module 13 and described signal resolution.
Specifically, in the present embodiment, described flow table 14 is receiving described signal from the described expansion receiver module 13 that can customize
During the data obtaining with described signal resolution, control to the described sample rate that can customize each passage in expansion receiver module 13 is
10MS/s, the data volume of each passage is 20MB/s.Described flow table 14 includes R/W speed of hard disc and system bus bandwidth, letter
When number receiving the sample rate of each passage be the data volume of each passage of 10MS/s be 20MB/s, the data volume of eight passages is
160MB/s, in the present embodiment, flow table 14 can be by the real time data Coutinuous store of 160MHz bandwidth.
Described synchronised clock module 15 respectively with described can customize expansion send mould and described can customize expansion receiver module 13
It is connected, for making the signal real-time synchronization of transmitting terminal and receiving terminal.
Specifically, in the present embodiment, described synchronised clock module 15 by each passage simultaneously sending signal when the phase contrast that produces
It is limited in 30ps～60ps, meanwhile, described synchronised clock module 15 is additionally operable to according to described signal processing algorithm to described synchronization
The signal that clock module 15 is processed to real-time synchronization carries out correction process.So in the present embodiment, can using precise synchronization technology
Within the phase error between multichannel is limited in ns, and rectified a deviation by subsequent treatment algorithm, improved synchronous essence further
Degree.
Described d GPS locating module 16 respectively with described can customize expansion send mould and described can customize expansion receiver module 13
It is connected, for the position at localizing emission end and receiving terminal.Described d GPS locating module 16 carries out GPS using GPS location algorithm
Positioning, under test mobile condition, described d GPS locating module 16 can be accurately positioned transmitting terminal and receiving terminal it is ensured that signal
The stability of transmission.
In sum, the present invention passes through User Defined arrange parameter, generates multiple signals and is transferred to receiving terminal by sending module,
And real-time data transmission is carried out using synchronized algorithm and location algorithm, the signal of transmission is stored in flow table simultaneously and is analyzed
And process, multiple signals can be received and dispatched parallel and analyze and process all kind of modulations signal in real time, strengthen compilation speed and test function, subtract
Few pendulous frequency, reduces measurement cost.Therefore, the present invention is especially suitable for channel circumstance measurement complicated and changeable.So, this
Bright effectively overcome various shortcoming of the prior art and have high industrial utilization.
Above-described embodiment only principle of the illustrative present invention and its effect, not for the restriction present invention.Any it is familiar with this skill
The personage of art all can carry out modifications and changes without prejudice under the spirit and the scope of the present invention to above-described embodiment.Therefore, such as
Those of ordinary skill in the art completed under without departing from disclosed spirit and technological thought all etc.
Effect modifications and changes, must be covered by the claim of the present invention.
Claims (10)
1. a kind of parallel channel test system is it is characterised in that described parallel channel test system includes：
User configuration module, carries out signal transmission and presets at least one signal processing algorithm for configuring multiple data channel；
Can customize expansion sending module, be connected with described user configuration module, for joining according in described user configuration module
The data channel quantity put is produced corresponding multiple signals and is transmitted described multiple signals by corresponding emission port；
Can customize expansion receiver module, be connected with described user configuration module and the described expansion sending module that can customize respectively,
For can customize the multiple signals expanding sending module transmission described in receiving and according to pre- in described user configuration module simultaneously
If signal processing algorithm carry out signal resolution；
Flow table, is connected with the described expansion receiver module that can customize, for can customize expansion receiver module described in synchronous storage
The data obtaining after the signal receiving and described signal resolution；
Synchronised clock module, respectively with described can customize expansion send mould and described can customize expansion receiver module be connected,
For making the signal real-time synchronization of transmitting terminal and receiving terminal；
D GPS locating module, respectively with described can customize expansion send mould and described can customize expansion receiver module be connected,
Position for localizing emission end and receiving terminal.
2. parallel channel test system according to claim 1 it is characterised in that in described user configuration module configuration data
The quantity of passage is 1～8；The rf frequency of data channel is 85MHz～6.6GHz.
3. parallel channel test system according to claim 1 is it is characterised in that described synchronised clock module is same by each passage
When sending signal when the phase contrast that produces be limited in 30ps～60ps.
4. the parallel channel test system according to claim 1 or 3 is it is characterised in that described synchronised clock module is additionally operable to root
According to described signal processing algorithm, to the signal after real-time synchronization process, correction process is carried out to described synchronised clock module.
5. parallel channel test system according to claim 1 is it is characterised in that described flow table can customize expansion from described
During the data of the receiver module described signal of reception and the acquisition of described signal resolution, control and can customize expansion receiver module to described
In the sample rate of each passage be 10MS/s, the data volume of each passage is 20MB/s.
6. a kind of parallel channel method of testing is it is characterised in that described parallel channel method of testing includes：
Configure multiple data channel to carry out signal transmission and preset at least one signal processing algorithm；
Data channel quantity according to configuration produces corresponding multiple signals and described multiple signals is passed through corresponding transmitting terminal
Mouth is transmitted；
Receive multiple signals simultaneously and signal resolution is carried out according to default signal processing algorithm；
The data obtaining after synchronously storing the signal receiving and described signal resolution；
Make transmitting terminal and the signal real-time synchronization of receiving terminal the position of localizing emission end and receiving terminal.
7. parallel channel method of testing according to claim 6 is it is characterised in that the quantity of the data channel of configuration is 1～8；
The rf frequency of data channel is 85MHz～6.6GHz.
8. parallel channel method of testing according to claim 6 it is characterised in that by each passage simultaneously sending signal when produce
Phase contrast be limited in 30ps～60ps.
9. the parallel channel method of testing according to claim 6 or 8 is it is characterised in that described parallel channel method of testing is also wrapped
Include：Correction process is carried out to the signal after real-time synchronization process according to described signal processing algorithm.
10. parallel channel method of testing according to claim 6 is it is characterised in that in the signal that receives of storage and described
During the data obtaining after signal resolution, control the sample rate to each passage to be 10MS/s, to the data volume of each passage be
20MB/s.
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| CN201510520027.8A CN106470077B (en) | 2015-08-21 | 2015-08-21 | A kind of parallel channel test method and system |
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| CN201510520027.8A CN106470077B (en) | 2015-08-21 | 2015-08-21 | A kind of parallel channel test method and system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102651669A (en) * | 2011-02-23 | 2012-08-29 | 苏州博联科技有限公司 | Anti-interference test system of sensor network nodes and test method |
| WO2012159363A1 (en) * | 2011-05-26 | 2012-11-29 | 中兴通讯股份有限公司 | Device, method and system for online test |
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2015
- 2015-08-21 CN CN201510520027.8A patent/CN106470077B/en not_active Expired - Fee Related
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| CN102651669A (en) * | 2011-02-23 | 2012-08-29 | 苏州博联科技有限公司 | Anti-interference test system of sensor network nodes and test method |
| WO2012159363A1 (en) * | 2011-05-26 | 2012-11-29 | 中兴通讯股份有限公司 | Device, method and system for online test |
| CN103713279A (en) * | 2014-01-07 | 2014-04-09 | 武汉大学 | Multi-channel synchronization excitation source system |
| CN104239118A (en) * | 2014-08-05 | 2014-12-24 | 北京交通大学 | Multi-antenna channel measurement data collection method based on virtual consecutive storage mode and multi-antenna channel measurement data collection device based on virtual consecutive storage mode |
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