CN106549832A - The method that the crossing of extremely low fast shortwave number detects packet loss by analog channel - Google Patents
The method that the crossing of extremely low fast shortwave number detects packet loss by analog channel Download PDFInfo
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- CN106549832A CN106549832A CN201611197186.XA CN201611197186A CN106549832A CN 106549832 A CN106549832 A CN 106549832A CN 201611197186 A CN201611197186 A CN 201611197186A CN 106549832 A CN106549832 A CN 106549832A
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- extremely low
- packet loss
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- serial ports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
- H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides the method that the crossing of extremely low fast shortwave number detects packet loss by analog channel, comprises the following steps that：Virtual 2 complete equipment, respectively for sending the equipment D1 of message, and receives the equipment D2 of message；Equipment D1 connects the extremely low rate modulation demodulation module M1 for supporting channel simulation by serial ports, and equipment D2 connects the extremely low rate modulation demodulation module M2 for supporting channel simulation by serial ports, direct-connected by tone frequency channel wire between D1 and D2；M1 modules receive the message that D1 sends by serial ports, are modulated into audio signal and send again；After M2 modules receive audio signal, message information is demodulated to, D2 equipment is sent to by serial ports；Step 4, some messages of three loop test of repeat step, and check whether the message received with D2 that D1 sends is consistent, counts reception condition, calculates packet loss quantity, finally provides packet loss test result.
Description
Technical field
The invention belongs to communication check field, and in particular to a kind of extremely low fast shortwave number crossing is lost by analog channel detection
The method of bag rate.
Background technology
Pole slow data transmission is namely based on a kind of emergency communication mode of minimum essential communication background proposition.For example-
Under the severe channel conditions of 20db white noises (channel simulator parameter), normal voice communication cannot be carried out at all, due to communication
What the minimum communication capacity of system was ensured typically to reduce information rate as cost, thus this be one of feasible method just
It is to reduce the rate of information throughput, brief message data information is transmitted by special modulation /demodulation module.By reducing letter
Breath transfer rate, can continue to keep the unimpeded of data transfer in the case where Tone Via is completely obstructed, can carry identical
Under shortwave platform, communication distance is doubled.
The content of the invention
It is an object of the present invention to provide the method that a kind of crossing of extremely low fast shortwave number detects packet loss by analog channel, is right
Extremely low fast different rates (25bit/min 50bit/min 100bit/min) under channel simulator varying environment (- 23dB～-
17dB), message transmissions method for detecting packet loss.By the modulation /demodulation module for supporting extremely low fast number to pass, message is changed into into audio frequency letter
Number, by arranging the signal to noise ratio parameter in modulation /demodulation module, add noise in signal source, then by two modulation /demodulation modules
It is direct-connected by audio signal, skip short-wave signal transmission.By arranging different signal to noise ratio parameters, complicated short wave communication is simulated
Under the conditions of, the efficiency of transmission of message, Detection results are good, convenient and swift.
The technical scheme is that：The method that the crossing of extremely low fast shortwave number detects packet loss by analog channel, specifically
Step is as follows：
Step one, software send message serial ports and reception message serial ports, the message transmitting party in analog communication by distributing
Equipment D1 and message receiver equipment D2；
Step 2, equipment D1 connect the extremely low rate modulation demodulation module M1 for supporting channel simulation by serial ports, and equipment D2 leads to
The extremely low rate modulation demodulation module M2 that channel simulation is supported in serial ports connection is crossed, it is direct-connected by tone frequency channel wire between D1 and D2；
Step 3, M1 modules receive the message that D1 sends by serial ports, are modulated into audio signal and send again；M2 modules are received
After audio signal, message information is demodulated to, D2 equipment is sent to by serial ports；
Step 4, some messages of three loop test of repeat step, and check message that D1 sends and that D2 is received whether
Cause, count reception condition, calculate packet loss quantity, finally provide packet loss test result.
Further, using PC platforms, run detection program.
Further, in step 4, message bag is most 255.
Further, the signal to noise ratio parameter area of extremely low rate modulation demodulation module M1 is -20～20.
Further, in step 3, need test data transmission rate, according to transmission byte number per minute, be 100 bytes/
Minute, 50 bytes/minute or 25 bytes/minute.
The invention has the beneficial effects as follows：The present invention is to extremely low fast different rates (25bit/min 50bit/min
100bit/min) under channel simulator varying environment (- 23dB～-17dB), message transmissions method for detecting packet loss.By supporting
Message is changed into audio signal by the modulation /demodulation module that extremely low fast number is passed, by arranging the signal to noise ratio ginseng in modulation /demodulation module
Number, adds noise in signal source, then two modulation /demodulation modules are direct-connected by audio signal, skips short-wave signal transmission.
By arranging different signal to noise ratio parameters, under the conditions of simulating complicated short wave communication, the efficiency of transmission of message, Detection results are good,
It is convenient and swift.
Description of the drawings
Fig. 1 is program interface schematic diagram；
Fig. 2 is test frame schematic diagram；
Fig. 3 is program circuit schematic diagram.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings.
As shown in Fig. 2 the method that the crossing of extremely low fast shortwave number detects packet loss by analog channel, comprises the following steps that：
Step one, software send message serial ports and reception message serial ports, the message transmitting party in analog communication by distributing
Equipment D1 and message receiver equipment D2；
Step 2, equipment D1 connect the extremely low rate modulation demodulation module M1 for supporting channel simulation by serial ports, and equipment D2 leads to
The extremely low rate modulation demodulation module M2 that channel simulation is supported in serial ports connection is crossed, it is direct-connected by tone frequency channel wire between D1 and D2；
Step 3, M1 modules receive the message that D1 sends by serial ports, are modulated into audio signal and send again；M2 modules are received
After audio signal, message information is demodulated to, D2 equipment is sent to by serial ports；
Step 4, some messages of three loop test of repeat step, and check message that D1 sends and that D2 is received whether
Cause, count reception condition, calculate packet loss quantity, finally provide packet loss test result.
As shown in Figure 1,3, testing procedure is as follows：
1st, startup program, instantiates two analog machine objects, is respectively configured as simulating transmission equipment M1 and simulation is received
Equipment M2.
2nd, distribute serial ports according to physical connection situation for M1 and M2, configure serial port baud rate, then click on opening serial ports.
3rd, on testing equipment M1, manual configuration signal to noise ratio parameter, scope is -20～20.
4th, select measurement direction.Test is received, and message is M2 to be sent to by M1；Test is sent, and message is then M1 to be sent to by M2.
5th, select need test data transmission rate, according to transmission byte number per minute, can be divided into 100 bytes/minute, 50
Byte/minute and 25 bytes/minute.
The 6th, test bag number, most 255 bags are set.
7th, message content is filled in, different according to data transmission rate, maximum number of byte is also different.Not enough subprogram can be automatic
Fill up, it is also possible to select fixed message, using default content as message content.
8th, click on and start test, program starts to send message by sender, and reciever receives message, during some
State LOG can show in interface that real-time statistics are recorded a demerit and shown in the lower left corner.
9th, after default bag number has sent, program display statistics, including number of giving out a contract for a project, receiver packet number and erroneous packets number.
Count packet loss.
The present invention is in channel simulator to extremely low fast different rates (25bit/min 50bit/min 100bit/min)
Under varying environment (- 23dB～-17dB), message transmissions method for detecting packet loss.By the modulatedemodulate mode transfer for supporting extremely low fast number to pass
Message is changed into audio signal by block, by arranging the signal to noise ratio parameter in modulation /demodulation module, adds noise in signal source,
It is again that two modulation /demodulation modules are direct-connected by audio signal, skip short-wave signal transmission.By arranging different signal to noise ratio ginsengs
Number, under the conditions of simulating complicated short wave communication, the efficiency of transmission of message, Detection results are good, convenient and swift.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
1. the method that the crossing of extremely low fast shortwave number detects packet loss by analog channel, comprises the following steps that：
Step one, software send message serial ports and reception message serial ports, the message transmitting party equipment in analog communication by distributing
D1 and message receiver equipment D2；
Step 2, equipment D1 connect the extremely low rate modulation demodulation module M1 for supporting channel simulation by serial ports, and equipment D2 is by string
The extremely low rate modulation demodulation module M2 of channel simulation is supported in mouth connection, direct-connected by tone frequency channel wire between D1 and D2；
Step 3, M1 modules receive the message that D1 sends by serial ports, are modulated into audio signal and send again；M2 modules receive audio frequency
After signal, message information is demodulated to, D2 equipment is sent to by serial ports；
Step 4, some messages of three loop test of repeat step, and check whether the message received with D2 that D1 sends is consistent, system
Meter reception condition, calculates packet loss quantity, finally provides packet loss test result.
2. the method that extremely low fast shortwave number according to claim 1 crossing detects packet loss by analog channel, its feature
It is：Using PC platforms, detection program is run.
3. the method that extremely low fast shortwave number according to claim 1 crossing detects packet loss by analog channel, its feature
It is：In step 4, message bag is most 255.
4. the method that extremely low fast shortwave number according to claim 1 crossing detects packet loss by analog channel, its feature
It is：The signal to noise ratio parameter area of extremely low rate modulation demodulation module M1 is -20～20.
5. the method that extremely low fast shortwave number according to claim 1 crossing detects packet loss by analog channel, its feature
It is：In step 3, need test data transmission rate, according to transmission byte number per minute, be 100 bytes/minute, 50 bytes/
Minute or 25 bytes/minute.
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| CN201611197186.XA CN106549832A (en) | 2016-12-22 | 2016-12-22 | The method that the crossing of extremely low fast shortwave number detects packet loss by analog channel |
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| CN201611197186.XA CN106549832A (en) | 2016-12-22 | 2016-12-22 | The method that the crossing of extremely low fast shortwave number detects packet loss by analog channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600228A (en) * | 2018-04-26 | 2018-09-28 | 杭州迪普科技股份有限公司 | A kind of IPSec link selecting methods and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262303A (en) * | 2008-04-18 | 2008-09-10 | 成都途筏达科技有限公司 | A novel measuring device for error code rate |
| US7542764B2 (en) * | 2005-02-25 | 2009-06-02 | Research In Motion Limited | Method of using SNR to reduce factory test time |
-
2016
- 2016-12-22 CN CN201611197186.XA patent/CN106549832A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7542764B2 (en) * | 2005-02-25 | 2009-06-02 | Research In Motion Limited | Method of using SNR to reduce factory test time |
| CN101262303A (en) * | 2008-04-18 | 2008-09-10 | 成都途筏达科技有限公司 | A novel measuring device for error code rate |
Non-Patent Citations (2)
| Title |
|---|
| 郭华永: "短波极低信噪比条件下的数据传输技术研究与实现", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
| 陈婷: "星载多模式调制解调器地面检测设备研究与实现", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600228A (en) * | 2018-04-26 | 2018-09-28 | 杭州迪普科技股份有限公司 | A kind of IPSec link selecting methods and device |
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Application publication date: 20170329 |
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