CN103501502B - A kind of road measuring method - Google Patents
A kind of road measuring method Download PDFInfo
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- CN103501502B CN103501502B CN201310396087.4A CN201310396087A CN103501502B CN 103501502 B CN103501502 B CN 103501502B CN 201310396087 A CN201310396087 A CN 201310396087A CN 103501502 B CN103501502 B CN 103501502B
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Abstract
This application discloses a kind of road measuring method, the method includes: drive test computer obtains the video data that described video capture device is absorbed by photographic head；Obtain the communication signaling of described drive test terminal and the base station worked；The described video data obtained is bound record with described communication signaling, ensures that described video data and described communication signaling synchronize in time when binding record；When the video that the video data playing any time point is corresponding, the communication signaling of the video data binding record of display and this time point simultaneously.Can be while record communication signaling, binding record video data, make driver test system preferably be used in the network planning and Optimization Work.
Description
Technical field
The application relates to communication technical field, particularly to a kind of road measuring method.
Background technology
Along with the development of wireless communication technology, wireless cellular network experienced by the first generation system of analog systems and based on entirely
Ball mobile communication system (GSM) and CDMA access the second-generation system of (CDMA) IS95.Due to wireless number
According to the demand of business, current 3-G (Generation Three mobile communication system) has had become as the main flow mobile communication standard in the current whole world.
The big operator of the three of China built the most respectively time division duplexing-CDMA access (TD-SCDMA),
CDMA2000, three kinds of 3 G mobile communication networks of wideband CDMA (WCDMA).But due to mobile interchange
The development of net, wireless data service amount has had the growth of geometry times.In order to support higher network peak speed, some
Country has taken the lead in forth generation mobile communication system commercial.Therefore, can exist multiple in following wireless environment simultaneously
Different communication systems, network quality assessment and the network optimization become more difficult.
In today that mobile radio network is day by day complicated, driver test system becomes operator's assessment network quality and wireless network
The Main Means that network optimizes.Drive test process is divided into configuration to prepare, test records and arrangement is summed up.Connect by wireless air
Mouthful, driver test system can obtain the signal intensity of Serving cell, signal to noise ratio, up-downgoing control signaling, broadcast,
The information such as geographical position, handling capacity, call manager, mobile management.Operator is according to the number obtained from driver test system
According to, it is judged that problem present in networking process, strengthen the network coverage, improve cell throughout.
The most commercial driver test system generally comprises: install the drive test computer of drive test software, drive test terminal, global positioning system
System (GPS) antenna and four equipment of sweep generator.During drive test, connect drive test terminal by drive test computer or sweep
Frequently instrument, by the Signalling exchange between drive test software monitoring base station and terminal.If drive test computer is simultaneously connected with GPS,
The longitude and latitude of test route during record drive test, then imports the landform ground on test route by some map software
Looks feature, is conveniently subsequently generated the covering under test environment and handling capacity chart.By to test route repeatedly time
Going through, driver test system have recorded a large amount of drive test data.Background work personnel are according to the network planning and the target of optimization subsequently,
Part data therein are selected to be analyzed.
The propagation decline in space is divided into large scale decline and multipath fading, and wherein, multipath fading comprises again shade and declines
Fall and fast-fading.Multipath fading depends on the blocking of bad border, the factor such as moving velocity of terminal, random jump, by
Can not be reflected by longitude and dimensional information in these information, so background analysis personnel are finding handoff failure, falling
After the problems such as words, ambient condition, the essential reason of problem analysis can not be seen from drive test data intuitively.
Summary of the invention
In view of this, the application provides a kind of road measuring method, it is possible to while record communication signaling, and binding record regards
Frequency evidence, makes driver test system preferably be used in the network planning and Optimization Work.
For solving above-mentioned technical problem, the technical scheme is that and be achieved in that:
A kind of road measuring method, is applied to include the drive test of drive test computer, drive test terminal, video capture device and photographic head
In system, wherein, described video capture device is connected by network interface with described drive test computer, and described method includes:
This drive test computer obtains the video data that described video capture device is absorbed by photographic head；Acquisition is working
Described drive test terminal and the communication signaling of base station；The described video data obtained is bound record with described communication signaling,
Ensure that described video data and described communication signaling synchronize in time when binding record；
When the video that the video data playing any time point is corresponding, display simultaneously is tied up with the video data of this time point
The communication signaling of fixed record.
Wherein, described driver test system also includes global position system GPS equipment；
This drive test computer obtains the latitude and longitude information being currently located geographical position by the GPS device worked；Should
Latitude and longitude information and the current described video data obtained, and communication signaling binding record, and led by map software
Enter the latitude and longitude information of this test route；
When selecting any position on described drive test route, show corresponding the regarding of video data at this position acquisition
Frequently, communication signaling and latitude and longitude information.
Described binding record time ensure that described video data and described communication signaling synchronize in time, including:
When the time of described video data is to record this frame of video, the system time of drive test computer determines, obtains communication signaling
Time determined by the time shaft of base station, according to communication signaling time calibration video data time, it is ensured that binding note
Video data and the communication signaling of record synchronize in time.
Described method farther includes: configuration communication signaling, and the regulation rule that this communication signaling is corresponding；
This drive test computer is when the communication signaling that the communication signaling obtained is configuration, according to the regulation that this interactive information is corresponding
Rule sends regulating command to photographic head, makes described photographic head be adjusted according to this order, and records this tune of triggering
The communication signaling of joint photographic head, wherein, described regulation rule is the regulation orientation of photographic head, focusing or angle.
Described method farther includes:
When this drive test connecting computer receives the order of regulation photographic head, send the regulating command of correspondence to photographic head, make shooting
Head is adjusted according to this order, and wherein, ordering of described regulation photographic head is the orientation of regulation photographic head, gathers
Jiao or angle.
Described method farther includes:
When determining Radio Link Failure, to photographic head send correspondence regulating command, make photographic head according to this order into
Row regulation；And communication signaling when recording Radio Link Failure.
In sum, the application, is tied up by drive test computer during carrying out drive test in the case of ensureing time synchronized
Surely record communication signaling and video data, when the video that the video data playing any time point is corresponding, shows simultaneously
Video data with this time binds the communication signaling of record.Can be while record communication signaling, binding record regards
Frequency evidence, makes driver test system preferably be used in the network planning and Optimization Work.
Accompanying drawing explanation
Fig. 1 is driver test system schematic diagram in the specific embodiment of the invention；
Fig. 2 is drive test method flow schematic diagram in the embodiment of the present invention.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearer, develop simultaneously enforcement referring to the drawings
Example, is described in further detail scheme of the present invention.
The embodiment of the present invention proposes a kind of road measuring method, is applied to include that drive test computer, drive test terminal, video are adopted
In the driver test system of collection equipment and photographic head, this drive test computer, during carrying out drive test, is ensureing time synchronized
In the case of binding record communication signaling and video data, in corresponding the regarding of video data playing any time point
Frequently time, the communication signaling of the video data binding record of display and this time simultaneously.The same of communication signaling is being provided
Time, it is provided that visualization video data, it is possible to make driver test system preferably be used in the network planning and Optimization Work.
Seeing Fig. 1, Fig. 1 is driver test system schematic diagram in the specific embodiment of the invention.In the survey carrying out predetermined paths
Before examination, needing to carry out equipment connection, in Fig. 1, drive test software opened by drive test computer, connects drive test terminal to road
Survey computer.Drive test computer connects photographic head and is connected to video capture device, such as use video line；Video acquisition sets
For being connected with drive test computer by network interface, can be when using high-definition camera and video frequency collection card, it is possible to quickly
Obtain video data.As latitude and longitude information need to be recorded, then connect GPS device to drive test computer.
Can also use mobile phone in actual use, the drive test terminal such as sweep generator realizes, and is simply using sweep generator
When carrying out drive test, it is thus achieved that communication signaling only have the communication signaling that base station broadcast sends, and scanner will not be to
Base station sends communication signaling.
Installing drive test software on drive test computer, drive test software can be any software that can carry out drive test.As
Pilot Pioneer drive test software, wherein, Pilot Pioneer is a leading wireless network air interface
Testing tool, combines the experience of engineer's long-term wireless network test and up-to-date achievement in research, is mainly used in
The failture evacuation of mobile network, assess, optimize and safeguard.This instrument be one based on Windows
The network test assessment system of NT/2000/XP/2003/Win7, comprehensive speciality angle and end user's impression, right
The network of oneself and rival is comprehensively tested and analyzes, it is provided that the essence of various network key performance indications
Really measurement means.
After each equipment connects, need to debug, the most each equipment initial work.Failing to be successfully connected,
Then report corresponding failure information.After successful connection, drive test computer expert crosses drive test software video window and shows in real time and take the photograph
The video recording taken, and obtain the communication signaling of drive test terminal and base station.
If carrying out drive test by vehicle-mounted mode, then need to be placed in outside car by photographic head, as the roof being positioned over outside car
Or any position is determined by drive test personnel according to actual test environment, generally to observe that more car external environment is
Principle.
Below in conjunction with the accompanying drawings, describe in the specific embodiment of the invention how to carry out drive test in detail.See Fig. 2, Fig. 2
For drive test method flow schematic diagram in the embodiment of the present invention.Concretely comprise the following steps:
Step 201, drive test computer obtains the video data that video capture device is absorbed by photographic head.
When using photographic head and the video capture device of high definition, it is ensured that drive test computer obtains the video of picked-up glibly
Data, and using the time of current drive test computer as time of the current video data obtained, the most each frame regards
The frequency all corresponding corresponding time.
Step 202, drive test computer obtains the communication signaling of drive test terminal and the base station worked.
Drive test terminal is if able to mutual with base station, and it can be to be stored directly in drive test electricity with the communication signaling of base station
On brain, it is also possible to be that communication signaling is sent to drive test computer by drive test terminal, so that drive test computer obtains drive test eventually
End and the communication signaling of base station, and the temporal information carried in communication signaling.
Step 201 and step 202 are carried out simultaneously, without time order and function order.
Step 203, the described video data obtained is bound record with described communication signaling by drive test computer, in binding
Ensure during record that described video data and described communication signaling synchronize in time.
When binding record, this step ensures that described video data and described communication signaling synchronize in time, bag
Include: the system time of drive test computer when the time of described video data is to record this frame of video, obtain communication signaling
Time determined by the time shaft of base station, according to communication signaling time calibration video data time, it is ensured that tie up
Video data and the communication signaling of fixed record synchronize in time.
Whole driver test system has two set time shafts.A set of time shaft for video record, its time takes from drive test computer
Time, it is accurate to second level, i.e. when the video window of drive test computer shows drive test video, simultaneously at video image
This video time is recorded in upper display.A set of time shaft for base station Yu terminal communication signaling, is accurate to Millisecond.
Drive test computer use drive test software by the contrast signaling time spindle nose information that is given of drive test terminal and frame of video time
Between, it is ensured that signaling time axle and video time axle stringent synchronization, if Time Inconsistency, it is possible to use communication letter
Order is carried time calibration frame of video the concordance of retention time time, i.e. the synchronization of time.Implement
Time, can adjust in real time, it is also possible to preset one and adjust the cycle, automatically calibrated once such as every 10 seconds.
When video data is recorded, can store according to actually used situation.As video record is maximum
Length 30 minutes, uses H264 Video coding, and AVI format preserves.Detect before video record and save contents
Hard disk remaining space, not enough predefined size (can configure) sends dialogue warning only supervising and shows and do not record preservation.Can
To carry out inquiring about list of videos according to appointed day, sart point in time and end time point；When querying condition is empty,
Drive test software prompting " not finding this list of videos ".
The video corresponding to video data of record, when recovering and analysis, can play back drive test data simultaneously, and i.e. communicate letter
Order and drive test video, be divided into following two play back mode:
The first sequential playback；The display total code stream of video recording, video time started/end time, video size；
The second specifies time point positioning playing.Replayed section can suspend at any time, and can to communication signaling and
Drive test video carries out synchronous shear Iho and deposits.
Time actually used, user can bind record communication signaling and video data as required so that follow-up enter
During row case study, it is possible to video is play flexibly.
Step 204, this drive test computer, when the video that the video data playing any time point is corresponding, shows simultaneously
Video data with this time point binds the communication signaling of record.
Video data and the communication signaling of binding record can directly be play by drive test computer, it is also possible to by the data of binding
Other equipment play out.After finding the problem such as handoff failure, call drop according to signaling, can be from correspondence
Video in intuitively arrive ambient condition, and then analyze the essential reason for topic.
If needing to understand latitude and longitude information, the video data of record is associated with particular geographic location with communication signaling
Time, this driver test system also needs to include GPS device, and connects GPS device to drive test computer.
Drive test computer, while obtaining communication signaling and video data, is obtained by the GPS device worked
It is currently located the latitude and longitude information in geographical position；By this latitude and longitude information and the current described video data obtained,
And communication signaling binding record, and import this survey by map software and set the latitude and longitude information of route.
So can be accurately positioned the current particular geographic location obtaining data according to the latitude and longitude information got.
This drive test computer, when selecting any position on described drive test route, may be displayed on regarding of this position acquisition
Frequency is according to corresponding video, communication signaling and latitude and longitude information.
During this driver test system carries out drive test, it is also possible to the angle of regulation photographic head focuses on or orientation.Concrete tune
Joint method has the most several:
The first, trigger the regulation of photographic head by the communication signaling configured.
Communication signaling, and the regulation rule that this communication signaling is corresponding is configured in advance on drive test computer.I.e. in monitoring
During to which type of communication signaling, need photographic head is adjusted, and the particular content of regulation.
This drive test computer is when the communication signaling that the communication signaling obtained is configuration, according to the tune that this interactive information is corresponding
Joint rule sends regulating command to photographic head, makes described photographic head be adjusted according to this order, and records triggering
This time regulation photographic head communication signaling, wherein, described regulation rule for regulation the orientation of photographic head, focusing or
Angle.
The second, according to the supervision to video image, actively regulates photographic head.
When this drive test connecting computer receives the order of regulation photographic head, send the regulating command of correspondence to photographic head, make to take the photograph
As head is adjusted according to this order, wherein, the side that order is regulation photographic head of described regulation regulation photographic head
Position, focusing or angle.
The third, communication signaling during Radio Link Failure directly triggers the regulation of photographic head.
When drive test computer determines Radio Link Failure, send the regulating command of correspondence to photographic head, make photographic head root
It is adjusted according to this order；And communication signaling when recording Radio Link Failure.
Wherein, the orientation of photographic head is regulated, can be that regulation photographic head upper and lower, left and right are moved.To focusing
Adjustment can be to expand or shrink focusing.Regulation to angle, regulates photographic head 360 degree rotation, or 180
Du Xuanzhuan etc..
In the second way, drive test computer is that drive test personnel shows an interface by drive test software, if
Upper and lower, left and right control the button that moves of orientation of photographic head, control photographic head expand or shrink focusing by
Button, 360 degree of buttons at the uniform velocity rotated a circle, it is provided that to user, in order to user actively passes through the regulation of drive test computer and takes the photograph
As head.
If only satisfied the need, survey line road carries out a drive test, it is understood that there may be time sporadic, when implementing, and can
So that same drive test circuit is carried out many drive tests, preserve each drive test data.Follow-up can according to repeatedly to
The drive test data of one position acquisition is analyzed, really to determine communication failure reason.Under concrete drive test process:
Survey line road of satisfying the need carries out repeatedly drive test, and binds record drive test data, or to the position of communication failure occurs,
Carry out repeatedly drive test, and bind record drive test data.Drive test data can include video data, communication signaling and
Latitude and longitude information.
In sum, the specific embodiment of the invention proposes one visualization road measuring method, is different from tradition drive test
System only records the latitude and longitude information of drive test circuit, and the visualization driver test system of proposition is at the base of tradition driver test system
High-definition camera and video capture device it is integrated with on plinth.During drive test, while record communication signaling,
The ambient condition of video record test route.During video acquisition, drive test software control break can be passed through
The parameters such as the direction of photographic head, angle, automatic swing circle, optimize the environmental information of record test route.Adopt
The video of collection can be stored by compression, then plays back the critical event on test route in system.Playing
Surrounding and the condition of road surface of test route this moment is observed while base station and terminal communication signaling daily record, and then
Understand important traffic event and the precise information of point occurs.Carried system on this basis can to record video and
Drive test data carries out synchronizing editing and preservation, facilitates the later stage to call contrast.Make driver test system more by the method
Good is applicable to the network planning and Optimization Work.
The above, only presently preferred embodiments of the present invention, it is not intended to limit protection scope of the present invention.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in this
Within the protection domain of invention.
Claims (6)
1. a road measuring method, it is characterised in that be applied to include drive test computer, drive test terminal, video capture device
With in the driver test system of photographic head, wherein, described video capture device is connected by network interface with described drive test computer, institute
The method of stating includes:
This drive test computer obtains the video data that described video capture device is absorbed by photographic head；Obtain and work
The communication signaling of described drive test terminal and base station；The described video data obtained is bound with described communication signaling
When binding record, record, ensures that described video data and described communication signaling synchronize in time；
When the video that the video data playing any time point is corresponding, display simultaneously and the video data of this time point
The communication signaling of binding record.
Method the most according to claim 1, it is characterised in that described driver test system also includes global location
System GPS device；
This drive test computer obtains the latitude and longitude information being currently located geographical position by the GPS device worked；
By this latitude and longitude information and the current described video data obtained, and communication signaling binding record, and by ground
Figure software imports the latitude and longitude information of this test route；
When selecting any position on described drive test route, show corresponding the regarding of video data at this position acquisition
Frequently, communication signaling and latitude and longitude information.
Method the most according to claim 1 and 2, it is characterised in that the described guarantee institute when binding record
State video data and described communication signaling synchronizes in time, including:
When the time of described video data is to record this frame of video, the system time of drive test computer determines, obtains communication letter
Order time determined by the time shaft of base station, according to communication signaling time calibration video data time, it is ensured that
Video data and the communication signaling of binding record synchronize in time.
Method the most according to claim 1 and 2, it is characterised in that described method farther includes: join
Put communication signaling, and the regulation rule that this communication signaling is corresponding；
This drive test computer is when the communication signaling that the communication signaling obtained is configuration, according to the tune that this communication signaling is corresponding
Joint rule sends regulating command to photographic head, makes described photographic head be adjusted according to this order, and records triggering
This time regulation photographic head communication signaling, wherein, described regulation rule for regulation the orientation of photographic head, focusing or
Angle.
Method the most according to claim 1 and 2, it is characterised in that described method farther includes:
When this drive test connecting computer receives the order of regulation photographic head, send the regulating command of correspondence to photographic head, make to take the photograph
As head is adjusted according to this order, wherein, the side that order is regulation photographic head of described regulation regulation photographic head
Position, focusing or angle.
Method the most according to claim 1 and 2, it is characterised in that described method farther includes:
When determining Radio Link Failure, send the regulating command of correspondence to photographic head, make photographic head according to this order
It is adjusted；And communication signaling when recording Radio Link Failure.
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| CN201310396087.4A CN103501502B (en) | 2013-09-04 | 2013-09-04 | A kind of road measuring method |
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| CN201310396087.4A CN103501502B (en) | 2013-09-04 | 2013-09-04 | A kind of road measuring method |
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| CN103501502A CN103501502A (en) | 2014-01-08 |
| CN103501502B true CN103501502B (en) | 2016-09-28 |
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| CN109640336B (en) | 2017-09-30 | 2020-09-11 | 上海华为技术有限公司 | Radio frequency head end positioning method, radio frequency head end positioning system and computer medium |
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| CN101267260A (en) * | 2007-12-18 | 2008-09-17 | 中国移动通信集团河北有限公司 | Mileage statistics method for mobile network intelligent automatic drive test equipment |
| CN101360312A (en) * | 2007-08-02 | 2009-02-04 | 北京中创信测科技股份有限公司 | Optimizing method and apparatus of mobile communication network |
| CN103219030A (en) * | 2013-04-18 | 2013-07-24 | 重庆长安汽车股份有限公司 | Method for synchronous acquisition and playback of vehicle-mounted video and bus data |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360312A (en) * | 2007-08-02 | 2009-02-04 | 北京中创信测科技股份有限公司 | Optimizing method and apparatus of mobile communication network |
| CN101267260A (en) * | 2007-12-18 | 2008-09-17 | 中国移动通信集团河北有限公司 | Mileage statistics method for mobile network intelligent automatic drive test equipment |
| CN103219030A (en) * | 2013-04-18 | 2013-07-24 | 重庆长安汽车股份有限公司 | Method for synchronous acquisition and playback of vehicle-mounted video and bus data |
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