CN105512696A - Area identification statistics method and system and active electronic label - Google Patents
Area identification statistics method and system and active electronic label Download PDFInfo
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- CN105512696A CN105512696A CN201410499379.5A CN201410499379A CN105512696A CN 105512696 A CN105512696 A CN 105512696A CN 201410499379 A CN201410499379 A CN 201410499379A CN 105512696 A CN105512696 A CN 105512696A
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Abstract
The invention provides an area identification statistics method and system and an active electronic label, and relates to the technical field of roll call system. The method is applied to the active electronic label, and comprises that active electronic labels receive a preset code sent by an excitation wake-up device via low-frequency signals; and according to the preset code, the active electronic labels use high-frequency signals to send preset information corresponding to the preset code to a reception statistics device, so that the reception statistics device can count the active electronic label in a target area according to the preset information. The present information comprises an area attribute code which is used to identify that the active electronic label is placed within or beyond the target area. According to the method, high frequency is combined with low frequency, the low-frequency code wakes up the ultra-low power standby label, high-frequency data is transmitted to count the active electronic labels in the target area, the counting efficiency and accuracy are improved, the activity is high, the suitable range is wide and the total power consumption is low.
Description
Technical field
The present invention relates to roll calling system technical field, particularly a kind of region recognition statistical method, active electronic label and region recognition statistical system.
Background technology
Based on RFID (radio-frequency (RF) identification) technology in prior art, label multichannel is initiatively intercepted and in the roll-call that realizes of response mode and statistical system, the increase of ineffective power consumption is directly caused owing to initiatively intercepting mode of operation, active RFID tag all adopts battery as power supply, the problem that too much ineffective power consumption also brings the battery altering cycle short simultaneously; And when not having statistical demand, on-air radio channel is still frequently taken, channel uses actual effect to reduce; This system cannot solve statistical regions periphery simultaneously, but can receive broadcast by the situation of adding up by mistake near statistical regions.
Initiatively identification signal is sent based on RFID label tag prefixed time interval, the scheme of identification is checked for system, predetermined interval initiatively sends identification signal, the scheme of identification is checked for system, although achieve real-time identification and statistics, but cannot be identified equally also exist and send signal overfrequency, the drawback that invalid kwh loss is large by the method zoning of practicability and effectiveness.
Based on hand-held infrared terminal, carry out in the statistical system of scanning recognition, wirelessly transmission information, use hand-held infrared terminal to target, implement scanning to target, although have employed wireless transmission method, the timeliness of identification and statistics is extremely low; Run into the situation that statistic is large, cannot real-time statistic be accomplished, in statistic processes, need the manual operation that continues and cooperation.
Summary of the invention
The object of the present invention is to provide a kind of region recognition statistical method, active electronic label and region recognition statistical system, make the initiative of this region recognition statistical system strong, can initiatively initiate as required and obtain statistical information immediately, recognition efficiency is high, accuracy rate is high, can effectively avoid the mistake of label outside target area to add up, and overall power is low.
In order to achieve the above object, the invention provides a kind of region recognition statistical method, be applied to an active electronic label, comprise:
Described active electronic label receives the pre-arranged code that an excitation wake-up device utilizes low frequency signal to send;
Described active electronic label is according to described pre-arranged code, utilize high-frequency signal to receive statistics equipment to one and send the presupposed information corresponding with described pre-arranged code, make described reception statistics equipment can carry out quantity statistics according to described presupposed information to the described active electronic label in target area;
Wherein, described presupposed information include for identify this active electronic label be positioned at outside target area or target area area attribute coding.
Wherein, described low frequency signal refers to that frequency is the signal between 115KHz to 150KHz.
Wherein, described high-frequency signal is radio frequency signal, and the centre frequency of described radio frequency signal is 433MHz or 2.4GHz or 5.8GHz.
Wherein, the described pre-arranged code utilizing low frequency signal to send reports the command information of described presupposed information for triggering described active electronic label.
Wherein, described presupposed information also comprises the ID identity information of active electronic label and the battery level information of this active electronic label.
Wherein, said method also comprises:
After described active electronic label receives the confirmation fed back after described reception statistics equipment receives described presupposed information, described active electronic label works in ultra-low power standby pattern;
Wherein, described active electronic label also works in described ultra-low power standby pattern before receiving described pre-arranged code.
The embodiment of the present invention also provides a kind of active electronic label, comprising:
Receiver module, for receiving the pre-arranged code that an excitation wake-up device utilizes low frequency signal to send;
Sending module, for according to described pre-arranged code, utilize high-frequency signal to receive statistics equipment to one and send the presupposed information corresponding with described pre-arranged code, make described reception statistics equipment can carry out quantity statistics according to described presupposed information to the described active electronic label in target area; Wherein, described presupposed information include for identify this active electronic label be positioned at outside target area or target area area attribute coding.
The embodiment of the present invention also provides a kind of region recognition statistical system, comprising: excitation wake-up device and reception statistics equipment; It is characterized in that, also comprise active electronic label as above, wherein said excitation wake-up device utilizes low frequency signal to send pre-arranged code to described active electronic label; Described active electronic label resolves described coded message, and utilizes high-frequency signal to send the presupposed information corresponding with this pre-arranged code to described reception statistics equipment; Described reception statistics equipment receives the presupposed information that described active electronic label sends, and the quantity of this active electronic label in target area is added up according to described presupposed information, wherein, described presupposed information include for identify this active electronic label be positioned at outside target area or target area area attribute coding.
Wherein, described excitation wake-up device is started by local keys of key or controls to start by system remote.
Wherein, described region recognition statistical system also comprises a display device, and described display device and described reception add up equipment connection, for showing described active electronic label quantity in this locality.
Wherein, described region recognition statistical system also comprises a higher level equipment, and described higher level equipment is by receiving the quantity of the described active electronic label of statistics device statistics, row relax of going forward side by side described in wired or wireless Network Capture.
Technique scheme of the present invention at least has following beneficial effect:
In the region recognition statistical method of the embodiment of the present invention, the pre-arranged code that active electronic label utilizes low frequency signal to send by reception one also sends the presupposed information corresponding with pre-arranged code to receiving statistics equipment according to described pre-arranged code by radio frequency signal (high frequency), make to receive statistics equipment and realize its quantity statistics to the active electronic label in target area, improve efficiency and the accuracy of quantity statistics, and be applicable to closed region and open space simultaneously, applied widely, overall power consumption is low.
Accompanying drawing explanation
Fig. 1 represents the basic step schematic diagram of region recognition statistical method in the embodiment of the present invention;
Fig. 2 represents the basic structure schematic diagram of active electronic label in the embodiment of the present invention;
Fig. 3 represents the structural representation of the region recognition statistical system of the embodiment of the present invention;
Fig. 4 represents the concrete composition structural representation of the excitation wake-up device in the region recognition statistical system of the embodiment of the present invention;
Fig. 5 represents the concrete composition structural representation of the active electronic label in the region recognition statistical system of the embodiment of the present invention;
Fig. 6 represents the concrete composition structural representation of the reception statistics equipment in the region recognition statistical system of the embodiment of the present invention.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The present invention is directed in prior art system in effective power consumption of calling the roll larger, lack initiative and the inaccurate problem of range statistics, a kind of region recognition statistical method is provided, active electronic label and region recognition statistical system, a coded message is sent to active electronic label by a low frequency signal, described active electronic label responds described coded message, its identity information is sent to reception statistics equipment by radio frequency signal (high frequency), receive statistics equipment and realize its quantity statistics to active electronic label in target area, improve efficiency and the accuracy of quantity statistics, and be applicable to closed region and open space simultaneously, applied widely, overall power consumption is low.
As shown in Figure 1, the embodiment of the present invention provides a kind of region recognition statistical method, is applied to an active electronic label, comprises:
Step 101, described active electronic label receives the pre-arranged code that an excitation wake-up device utilizes low frequency signal to send;
Step 102, described active electronic label is according to described pre-arranged code, utilize high-frequency signal to receive statistics equipment to one and send the presupposed information corresponding with described pre-arranged code, make described reception statistics equipment can carry out quantity statistics according to described presupposed information to the described active electronic label in target area; Wherein, described presupposed information include for identify this active electronic label be positioned at outside target area or target area area attribute coding.
In the above embodiment of the present invention, the mode work that active electronic label utilizes low frequency wake-up, high frequency to send reduces the power consumption of active electronic label.Specifically, this pre-arranged code excitation wake-up device and active electronic label are arranged in advance jointly, and namely active electronic label receives this pre-arranged code and namely triggers it and sent to by presupposed information (identity information as self) corresponding with this pre-arranged code and receive statistics equipment.Such as, pre-arranged code is 08, if the coded message that active electronic label receives is 08, is then sent to by the identity information of this active electronic label and receives statistics equipment; If other coded messages that active electronic label receives, as 09,07 etc., then ignore this coded message, undo or perform other operations corresponding with this coded message.
Concrete, this area attribute is encoded to an assembly coding, represented the diverse location of active electronic label by different putting in order, namely in target area or outside target area, and described reception statistics equipment only adds up the quantity of the active electronic label in target area; Wherein, show whether enter one's respective area by the front and back built-up sequence of this assembly coding, as this assembly coding comprises the first coded system and the second coded system, then when adopting the first coded system, this assembly coding shows that this active electronic label 2 enters in region, is attribute in region; When adopting the second coded system, this assembly coding shows that this active electronic label 2 does not enter in region, is attribute outside region.This region avoids area periphery by the design of identification equipment and does not belong to the statistical error that the electronic tag in region produced by adding up, and improves statistical accuracy.
Preferably, in the above embodiment of the present invention, described pre-arranged code by one low frequency signal send, described low frequency signal refers to that frequency is the signal between 115KHz to 150KHz.
Concrete, in the above embodiment of the present invention, described high-frequency signal is radio frequency signal, and the centre frequency of described radio frequency signal is 433MHz or 2.4GHz or 5.8GHz.
Further, in the above embodiment of the present invention, the described pre-arranged code utilizing low frequency signal to send reports the command information of described presupposed information for triggering described active electronic label; And described presupposed information also comprises the ID identity information of active electronic label and the battery level information of this active electronic label.
In the specific embodiment of the invention, described presupposed information also comprises the identity ID of this active electronic label and the battery electric quantity of this active electronic label, receives statistics equipment adds up active electronic label quantity according to the different identity ID of the active electronic label received; Wherein, the identity ID's of each active electronic label is unique, and namely the identity ID of each active electronic label is all different, the active electronic label that different ID is corresponding different respectively.Further, the battery level information receiving active electronic label is to judge whether active electronic label can normally work simultaneously, if battery electric quantity is lower than a preset value, then to the information that it sends a warning information or show electricity deficiency on this reception statistics equipment, be convenient to manage active electronic label in time, prevent active electronic label from causing normally working because of electricity deficiency, and cause the leakage in statistic processes to add up, cause it really not statistical uncertainty.
In the above embodiment of the present invention, this region recognition statistical method also comprises:
Step 103, after described active electronic label receives the confirmation fed back after described reception statistics equipment receives described presupposed information, described active electronic label works in ultra-low power standby pattern;
Wherein, described active electronic label also works in described ultra-low power standby pattern before receiving described pre-arranged code.
In the above embodiment of the present invention, in order to the transmitting of guarantee information, after reception statistics equipment receives the identity information of active electronic label, the active electronic label confirmation of replying response confirms to receive.Further, if active electronic label does not receive confirmation in a Preset Time, again will send its identity information to described reception statistics equipment, guarantee the transmitting of information.If repeatedly retransmission of information does not still receive confirmation, described active electronic label then exits transmission state, enters holding state, waits for the pre-arranged code of transmission again of excitation wake-up device.Concrete, in step 103, ultra-low power standby pattern is all worked in after active electronic label receives confirmation and before receiving pre-arranged code information, but this ultra-low power standby pattern refers to the start of this active electronic label does not carry out the pattern of any substantive work (and not to the various operations of data and program), under this pattern, the power consumption of active electronic label is lower, then makes the lower power consumption of whole system.
In order to better realize above-mentioned purpose, as shown in Figure 2, the embodiment of the present invention also provides a kind of active electronic label, comprising:
Receiver module 10, for receiving the pre-arranged code that an excitation wake-up device utilizes low frequency signal to send;
Sending module 20, for according to described pre-arranged code, utilize high-frequency signal to receive statistics equipment to one and send the presupposed information corresponding with described pre-arranged code, make described reception statistics equipment can carry out quantity statistics according to described presupposed information to the described active electronic label in target area; Wherein, described presupposed information include for identify this active electronic label be positioned at outside target area or target area area attribute coding.
It should be noted that, the active electronic label that the above embodiment of the present invention provides is the active electronic label corresponding with above-mentioned zone identification statistical method, then all embodiments of above-mentioned zone identification statistical method and beneficial effect thereof are all applicable to this active electronic label.
In order to better realize above-mentioned purpose, as shown in Figure 3, the embodiment of the present invention also provides a kind of region recognition statistical system, comprising: excitation wake-up device 1 and reception statistics equipment 3; It is characterized in that, also comprise active electronic label 2 as above, wherein said excitation wake-up device 1 utilizes low frequency signal to send pre-arranged code to described active electronic label 2; Described active electronic label 2 resolves described coded message, and utilizes high-frequency signal to send the presupposed information corresponding with this pre-arranged code to described reception statistics equipment 3; Described reception statistics equipment 3 receives the presupposed information that described active electronic label 2 sends, and the quantity of this active electronic label 2 in target area is added up according to described presupposed information, wherein, described presupposed information include for identify this active electronic label be positioned at outside target area or target area area attribute coding.
In the above embodiment of the present invention, in practical application, this region recognition statistical system comprises multiple active electronic label 2, the active electronic label 2 receiving described coded message all can send the identity information of himself to reception statistics equipment 3, when there being a large amount of active electronic label 2 to need to send identity information simultaneously, anti-collision algorithms is used to realize efficient, reliable information transmission.Wherein, in specific embodiments of the invention, utilize the anti-collision algorithms based on radio frequency discrimination RFID to realize the orderly transmission of message, and be not the emphasis point of the application based on the anti-collision algorithms of radio frequency discrimination RFID, do not specifically describe at this.
The embodiment of the present invention both can be applicable to closed region and also can be applicable to open space; Wherein, in the closed region of fixedly carrying out identifying and adding up, can install with furred ceiling, side wall, the various ways such as buried arranges the low frequency signal emitting antenna (belonging to excitation wake-up device) encouraging and wake up, as region is excessive, the mode of employing antenna in series expands the scope that low frequency signal effectively covers further.As series system is still not enough, the quantity of excitation wake-up device can be increased, adopt RS485 interface protocol synchronous signal transmission between equipment, guarantee that the low frequency signal that many equipment sends can not interfere with each other; In the embodiment of opening outdoor environment, dispose excitation as required in advance and wake low frequency signal emitting antenna up, ensure electronic tag in effective coverage goal regional extent, immediately implement statistics.In practical application of the present invention, as shown in Figure 4, wake-up device 1 is encouraged to comprise four ingredients: button or receive teleswitch 11, low frequency signal circuit for generating 12, power drive and antenna-matching circuit 13 and the first low-frequency antenna 14; Concrete, start low frequency signal circuit for generating 12 by trigger key or reception teleswitch 11 and produce the low frequency signal comprising coded message, this low frequency signal is sent to the first low-frequency antenna 14 by power drive and antenna-matching circuit 13, is sent the low frequency signal containing coded signal by the first low-frequency antenna 14 to active electronic label 2.
As shown in Figure 5, active electronic label 2 comprises five parts: the second low-frequency antenna 21, low frequency signal receiving circuit 22, microprocessor and high frequency communication circuits 23, first high frequency antenna 24 and battery 25; Wherein, second low-frequency antenna 21 receiving package contains the low frequency signal of coded message and is sent to microprocessor and high frequency communication circuits 23 by low frequency signal receiving circuit 22, microprocessor and high frequency communication circuits 23 are resolved this low frequency signal and are produced a high-frequency signal, and this high-frequency signal comprises the identity information of active electronic label 2; By the first high frequency antenna 24, this high-frequency signal is sent to reception statistics equipment 3 simultaneously; Battery 25 is powered for giving low frequency signal receiving circuit 22 and microprocessor and high frequency communication circuits 23.
As shown in Figure 6, receive statistics equipment 3 and comprise five parts: the second high frequency antenna 31, high frequency communication circuits 32, microprocessor unit 33, Surveillance center 34 and local display device 35; Wherein, second high frequency antenna 31 receives the high-frequency signal that above-mentioned first high frequency antenna 24 sends, and be sent to microprocessor unit 33 by high frequency communication circuits 32, microprocessor unit 33 is resolved above-mentioned high-frequency signal and is added up the quantity of active electronic label, can be shown by local display device 35 in this locality; Or by wired or wireless network, the identity information of active electronic label is sent to Surveillance center 34, Surveillance center 34 after contrast is further analyzed to it again statistical magnitude show.
In the specific embodiment of the invention, described excitation wake-up device 1 is started by local keys of key or controls to start by system remote.Utilize a low frequency signal to send a coded message after excitation wake-up device 1 starts, preferably, this low frequency signal refers to that frequency is the signal between 115KHz to 150KHz, and lasting duration is 200ms to 2s.
In the above embodiment of the present invention, for the roll calling system of fixed area, in order to prevent extra-regional label by overdue name, described region recognition statistical system also comprises a region and passes through identification equipment;
Described active electronic label 2 is preset passage by one and is obtained an assembly coding from described region by identification equipment, when the active electronic label 2 with this assembly coding sends presupposed information to described reception statistics equipment 3, this assembly coding is also sent to same reception statistics equipment 3 simultaneously, described reception statistics equipment 3 adds up the quantity of the active electronic label 2 with the assembly coding of attribute in region, wherein, described assembly coding has two attribute: attribute outside attribute and region in region.
In the specific embodiment of the invention, region is each must be a set of by vector beacon apparatus through setup of entrances and exits, and this device is installed on the inside and outside both sides of doorframe or passage, and inside and outside vector beacon launches the low frequency signal with different coding respectively, odd number coding stands area inside, even number represents outside.When active label is by this region, receive 2 group codings that low frequency signal also detects outside attribute in representative, by 2 received group codings respectively belonging to low frequency signal intensity Changing Pattern and between the analysis of association feature, draw the judgement entering this region.2 group codings can, by 2 group codings according to the front and back rule of making an appointment, be placed in preparation information upload for subsequent use by active label.As 17 is door ISN, 18 is code outdoors, after label enters region, can identify the path direction entering region, can according to 17 at front 18 posterior forms in internal memory, prepares follow-uply to want information upload.
After the label excitation received in region containing coding (as 08) of calling the roll wakes low frequency signal up, the id information of self is placed on and uploads in ready information upload above.Receive statistics device statistics all receive information time, only can add up the label with the coding of attribute implication sequential storage in region.Because for guaranteeing the whole closed region of the complete covering of low frequency signal, certain remaining can be left.Such as: this region starts low frequency signal and implements to identify statistics, only have a wall every region certain label outer also receive this low frequency signal, and do to respond return information.But due to containing this region effectively by entering the coding of implication, statistics equipment can not be received by this information of filtering, not adding up, guarantee statistical accuracy in region in information.
In the above embodiment of the present invention, described region recognition statistical system also comprises a display device, and described display device is connected with described reception statistics equipment 3, for showing described active electronic label 2 quantity in this locality.The setting of this display device can allow user see the quantity of active electronic label more intuitively, this display device also can show by information such as No. ID of the active electronic label 2 of success statistics and battery electric quantities simultaneously, then user can control the real-time status of multiple active electronic label 2 in real time.
In the above embodiment of the present invention, described region recognition statistical system also comprises a higher level equipment, and described higher level equipment is by receiving the quantity of the described active electronic label 2 of statistics equipment 3 statistics, row relax of going forward side by side described in wired or wireless Network Capture.
In specific embodiments of the invention, the identity information that equipment 3 is receiving described active electronic label 2 is added up in above-mentioned reception only can according to identity ID statistical magnitude, but under certain situation, the electronic tag of feedback own identification ID may not be this label needing to add up of calling the roll, therefore the identity ID of described active electronic label can be sent to higher level equipment, identity ID and the identity ID in statistical regions that needs prestored check by this higher level equipment, check the quantity that consistent identity ID is the active electronic label of this region domestic demand statistics; The setting of this higher level equipment makes the statistics of this region recognition statistical system more accurate, avoids statistics by mistake.
It should be noted that, the excitation wake-up device 1 of this region recognition statistical system, the design of statistics receiving equipment 3, supervisory circuit and identification circuit can be fixed, as being fixedly installed on a place; Also can be portable; Be not limited to a fixed form.
Region recognition statistical system provided by the invention adopts low-and high-frequency array mode: low frequency coding wakes ultra-low power standby module up, high frequency data transfer technology, can realize immediately carrying out quick identification and quantity statistics to the active intelligent identification module in open or closed region; Its deployment area excitation awakening technology, in conjunction with the design of anti-collision algorithm and super low-power consumption mode of operation, realizes identification and the statistics of electronic tag in district in real time, efficiently and accurately.Both can be closed region (as: in factory building storehouse) in practical application, also can be open space (as: playground, goods yard).When there is the free time power consumption extremely low, identify rapid efficiency high and accurately, the advantage such as mode is flexible.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a region recognition statistical method, is applied to an active electronic label, it is characterized in that, comprising:
Described active electronic label receives the pre-arranged code that an excitation wake-up device utilizes low frequency signal to send;
Described active electronic label is according to described pre-arranged code, utilize high-frequency signal to receive statistics equipment to one and send the presupposed information corresponding with described pre-arranged code, make described reception statistics equipment can carry out quantity statistics according to described presupposed information to the described active electronic label in target area;
Wherein, described presupposed information include for identify this active electronic label be positioned at outside target area or target area area attribute coding.
2. region recognition statistical method according to claim 1, is characterized in that, described low frequency signal refers to that frequency is the signal between 115KHz to 150KHz.
3. region recognition statistical method according to claim 1, is characterized in that, described high-frequency signal is radio frequency signal, and the centre frequency of described radio frequency signal is 433MHz or 2.4GHz or 5.8GHz.
4. region recognition statistical method according to claim 1, is characterized in that, the described pre-arranged code utilizing low frequency signal to send reports the command information of described presupposed information for triggering described active electronic label.
5. region recognition statistical method according to claim 1, is characterized in that, described presupposed information also comprises the ID identity information of active electronic label and the battery level information of this active electronic label.
6. region recognition statistical method according to claim 1, is characterized in that, also comprise:
After described active electronic label receives the confirmation fed back after described reception statistics equipment receives described presupposed information, described active electronic label works in ultra-low power standby pattern;
Wherein, described active electronic label also works in described ultra-low power standby pattern before receiving described pre-arranged code.
7. an active electronic label, is characterized in that, comprising:
Receiver module, for receiving the pre-arranged code that an excitation wake-up device utilizes low frequency signal to send;
Sending module, for according to described pre-arranged code, utilize high-frequency signal to receive statistics equipment to one and send the presupposed information corresponding with described pre-arranged code, make described reception statistics equipment can carry out quantity statistics according to described presupposed information to the described active electronic label in target area; Wherein, described presupposed information include for identify this active electronic label be positioned at outside target area or target area area attribute coding.
8. a region recognition statistical system, comprising: excitation wake-up device and reception statistics equipment; It is characterized in that, also comprise active electronic label as claimed in claim 7, wherein said excitation wake-up device utilizes low frequency signal to send pre-arranged code to described active electronic label; Described active electronic label resolves described coded message, and utilizes high-frequency signal to send the presupposed information corresponding with this pre-arranged code to described reception statistics equipment; Described reception statistics equipment receives the presupposed information that described active electronic label sends, and the quantity of this active electronic label in target area is added up according to described presupposed information, wherein, described presupposed information include for identify this active electronic label be positioned at outside target area or target area area attribute coding.
9. region recognition statistical system according to claim 8, is characterized in that, described excitation wake-up device is started by local keys of key or controls to start by system remote.
10. region recognition statistical system according to claim 8, is characterized in that, described region recognition statistical system also comprises a display device, and described display device and described reception add up equipment connection, for showing described active electronic label quantity in this locality.
11. region recognition statistical systems according to claim 8, it is characterized in that, described region recognition statistical system also comprises a higher level equipment, and described higher level equipment is by receiving the quantity of the described active electronic label of statistics device statistics, row relax of going forward side by side described in wired or wireless Network Capture.
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