CN108419209B - Electronic fence and control method thereof - Google Patents
Electronic fence and control method thereof Download PDFInfo
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- CN108419209B CN108419209B CN201810151612.9A CN201810151612A CN108419209B CN 108419209 B CN108419209 B CN 108419209B CN 201810151612 A CN201810151612 A CN 201810151612A CN 108419209 B CN108419209 B CN 108419209B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses an electronic fence which comprises a baseband processor, a single-channel switching module, a controller and at least two radio frequency boards, wherein the baseband processor is connected with the controller through a single-channel switching module; each radio frequency board works on different communication frequency bands respectively; the baseband processor is connected with the at least two radio frequency boards through the single-channel switching module; the control module is connected with the control end of the single-channel switching module; the control module is used for determining switching time according to the actual coverage range of the electronic fence and periodically sending a switching control signal to the single-channel switching module according to the switching time; the single-channel switching module is used for periodically gating one of the at least two radio frequency boards according to the switching control signal so as to enable the at least two radio frequency boards to periodically work alternately. The invention can save the number of baseband processors and greatly reduce the volume, power consumption and cost of the electronic fence. Meanwhile, the invention also provides a control method of the electronic fence.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to an electronic fence and a control method thereof.
Background
At present, an electronic fence system mainly comprises a control module, a baseband board, a radio frequency board and the like, and is mainly applied to monitoring a specific area, and acquiring information and communication information of communication equipment in the specific area so as to provide reference data for workers.
With the development of technology and the birth of the 2G, 3G, 4G and 5G communication era, the frequency band of the mobile phone signal is also expanded from 800 mega frequency band to 2600 mega frequency band, therefore, in order to make the electronic fence obtain the information and communication information of all communication devices within the coverage range, a plurality of single electronic fences are often required to be configured in the prior art, so that not only the volume of the electronic fence is increased, but also the cost is increased along with the increase of the number of the single electronic fences, and the high cost, the large volume and the high power consumption become the bottleneck of the development of the electronic fence product.
Disclosure of Invention
The invention aims to provide an electronic fence and a control method thereof, which can enable at least two radio frequency boards to work alternately periodically, ensure the monitoring quality of the electronic fence, save the number of baseband processors and greatly reduce the volume, power consumption and cost of the electronic fence.
In order to achieve the above object, an aspect of the present invention provides an electronic fence, including a baseband processor, a single channel switching module, a controller, and at least two rf boards; each radio frequency board works on different communication frequency bands respectively;
the baseband processor is connected with the at least two radio frequency boards through the single-channel switching module; the control module is connected with the control end of the single-channel switching module;
the control module is used for determining switching time according to the actual coverage range of the electronic fence and periodically sending a switching control signal to the single-channel switching module according to the switching time;
the single-channel switching module is used for periodically gating one of the at least two radio frequency boards according to the switching control signal so as to enable the at least two radio frequency boards to periodically work alternately.
In an optional implementation manner, the baseband processor has a first downlink signal transmitting end and a first uplink signal receiving end, each of the radio frequency boards has a second downlink signal transmitting end and a second uplink signal receiving end, and the single-channel switching module includes a single-channel transmitting switching unit and a single-channel receiving switching unit;
the control module with the control end of single channel switching module is connected, specifically is: the control module is respectively connected with the control end of the single-channel transmitting switching unit and the control end of the single-channel receiving switching unit;
the baseband processor is connected with the at least two radio frequency boards through the single-channel switching module, and specifically comprises: the first downlink signal transmitting end of the baseband processor is connected with the second downlink signal transmitting ends of the at least two radio frequency boards through the single-channel transmitting and switching unit, and the first uplink signal receiving end of the baseband processor is connected with the second uplink signal receiving ends of the at least two radio frequency boards through the single-channel receiving and switching unit.
In an optional embodiment, each of the rf boards includes a duplexer and an antenna; the transmitting end of the duplexer is connected with the second downlink signal transmitting end, the receiving end of the duplexer is connected with the second uplink signal receiving end, and the communication connecting end of the duplexer is connected with the antenna.
In an optional embodiment, each of the rf boards further includes a power amplifying unit; the transmitting end of the duplexer is connected with the second downlink signal transmitting end, specifically: and the transmitting end of the duplexer is connected with the second downlink signal transmitting end through the power amplifying unit.
In an optional implementation manner, each of the radio frequency boards further includes a low noise power amplifier unit; the receiving end of the duplexer is connected with the second uplink signal receiving end, specifically: and the receiving end of the duplexer is connected with the second uplink signal receiving end through the low-noise power amplification unit.
Another aspect of the embodiments of the present invention provides a method for controlling the electronic fence, which is performed by a control module of the electronic fence, and includes:
determining switching time according to the actual coverage range of the electronic fence;
and periodically sending a switching control signal to the single-channel switching module according to the switching time so as to enable the single-channel switching module to periodically gate one of the at least two radio-frequency boards and enable the at least two radio-frequency boards to periodically work alternately.
Compared with the prior art, the embodiment of the invention has the beneficial effects that: the embodiment of the invention provides an electronic fence which comprises a baseband processor, a single-channel switching module, a controller and at least two radio frequency boards, wherein the baseband processor is used for processing a signal; each radio frequency board works on different communication frequency bands respectively; the baseband processor is connected with the at least two radio frequency boards through the single-channel switching module; the control module is connected with the control end of the single-channel switching module; the control module is used for determining switching time according to the actual coverage range of the electronic fence and periodically sending a switching control signal to the single-channel switching module according to the switching time; the single-channel switching module is used for periodically gating one of the at least two radio frequency boards according to the switching control signal so as to enable the at least two radio frequency boards to periodically work alternately. In the embodiment of the invention, the controller controls the single-channel switching module to gate one of the at least two radio frequency boards, so that one radio frequency board is connected with the baseband processor, and the monitoring of a specific area is realized through one radio frequency board; because the single-channel switching module only gates one radio frequency board at a certain moment, all the radio frequency boards can work alternately periodically in a mode of sequentially gating all the radio frequency boards through the control module, monitoring on at least two communication frequency bands can be realized only through one baseband processor, and the size, the power consumption and the cost of the electronic fence are greatly reduced. Meanwhile, the embodiment of the invention also provides a control method for the electronic fence.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electronic fence according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a method for controlling an electronic fence according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, which is a schematic structural diagram of an electronic fence according to an embodiment of the present invention. The electronic fence provided by the embodiment of the invention comprises a baseband processor 1, a single-channel switching module 2, a controller 3 and at least two radio frequency boards 4; each radio frequency board 4 works on different communication frequency bands respectively;
the baseband processor 1 is connected with the at least two radio frequency boards 4 through the single-channel switching module 2; the control module is connected with the control end of the single-channel switching module 2;
the control module is used for determining switching time according to the actual coverage range of the electronic fence and periodically sending a switching control signal to the single-channel switching module 2 according to the switching time;
the single-channel switching module 2 is configured to gate one of the at least two rf boards 4 periodically according to the switching control signal, so that the at least two rf boards 4 operate alternately periodically.
The working principle of the embodiment of the invention is as follows: when the baseband processor 1 is connected with one of the radio frequency boards 4, the communication information of the communication equipment in the communication frequency band of the radio frequency board 4 in the actual coverage range can be acquired, and the monitoring of the communication equipment in the communication frequency band is realized; since the user needs a certain moving time from entering the actual coverage range of the electronic fence to leaving the actual coverage range of the electronic fence by carrying the communication equipment, the switching time is determined according to the actual coverage range of the electronic fence, so that the current position of the user can be accurately obtained even if the user moves in the actual coverage range of the electronic fence, and the real-time performance is ensured; under the control of the control module, the at least two radio frequency boards 4 periodically and alternately work, so that the time division multiplexing of the baseband processor 1 is realized, and the data processing capacity of the baseband processor 1 is fully utilized; through above structure, realized only can realizing the monitoring on two at least communication frequency channels through a baseband processor 1, greatly reduced the volume, the consumption and the cost of fence.
It is understood that the communication frequency band may be, but is not limited to, from 800 mhz to 2600 mhz, and the communication frequency band includes various communication frequency bands for communication applications, and is not limited to the existing communication frequency band, and the communication frequency band is widened as more frequency bands are planned for communication applications. In the invention, the communication system adopted by each communication frequency band is set according to the local communication plan, if the radio frequency board needs to obtain the user terminal information of mobile GSM system communication in the country, the uplink receiving frequency of the radio frequency board can be set to be 885-909 million frequency band, and the downlink transmitting frequency is set to be 930-954 million frequency band; if the radio frequency board needs to acquire the information of the user terminal using the domestic Unicom WCDMA system for communication, the uplink receiving frequency of the radio frequency board can be set to be 1940-1955 million frequency band, and the downlink transmitting frequency can be set to be 2130-2145 million frequency band.
In an optional implementation manner, the baseband processor 1 has a first downlink signal transmitting end and a first uplink signal receiving end, each of the radio frequency boards 4 has a second downlink signal transmitting end and a second uplink signal receiving end, and the single-channel switching module 2 includes a single-channel transmitting switching unit 21 and a single-channel receiving switching unit 22;
the control module with the control end of single channel switching module 2 is connected, specifically is: the control module is respectively connected with the control end of the single-channel transmitting and switching unit 21 and the control end of the single-channel receiving and switching unit 22;
the baseband processor 1 is connected with the at least two radio frequency boards 4 through the single-channel switching module 2, and specifically includes: the first downlink signal transmitting end of the baseband processor 1 is connected with the second downlink signal transmitting ends of the at least two radio frequency boards 4 through the single channel transmitting and switching unit 21, and the first uplink signal receiving end of the baseband processor 1 is connected with the second uplink signal receiving ends of the at least two radio frequency boards 4 through the single channel receiving and switching unit 22.
Specifically, the single-channel transmitting and switching unit 21 has a first connection end and at least two second connection ends; the first connection end is connected with a first downlink signal transmitting end of the baseband processor 1, and the at least two second connection ends are connected with second downlink signal transmitting ends of the at least two radio frequency boards 4 in a one-to-one correspondence manner; the single-channel transmitting and switching unit 21 controls the first connection end to be connected with one of the at least two second connection ends under the control of the controller 3, so as to achieve the purpose of gating one of the radio frequency boards. Similarly, the single-channel receiving switching unit 22 has a third connection terminal and at least two fourth connection terminals; the third connecting end is connected with a first uplink signal receiving end of the baseband processor 1, and the at least two second connecting ends are connected with second uplink signal receiving ends of the at least two radio frequency boards 4 in a one-to-one correspondence manner; the single-channel receiving switching unit 22 controls the third connection terminal to be connected to one of the at least two fourth connection terminals under the control of the controller 3, so as to gate one of the rf boards.
In an alternative embodiment, each of the rf boards 4 includes a duplexer 41 and an antenna 42; the transmitting end of the duplexer 41 is connected to the second downlink signal transmitting end, the receiving end of the duplexer 41 is connected to the second uplink signal receiving end, and the communication connecting end of the duplexer 41 is connected to the antenna 42.
In an alternative embodiment, each of the rf boards 4 further includes a power amplifying unit 43; the transmitting end of the duplexer 41 is connected to the transmitting end of the second downlink signal, and specifically includes: the transmitting end of the duplexer 41 is connected to the transmitting end of the second downlink signal through the power amplifying unit 43. The power amplifying unit 43 is configured to perform power amplification on the signal that needs to be transmitted through the antenna 42, so as to increase the signal strength and ensure that the communication device in the actual coverage area can receive the signal transmitted by the antenna 42.
In an optional embodiment, each of the rf boards 4 further includes a low noise power amplifier unit 44; the receiving end of the duplexer 41 is connected to the second uplink signal receiving end, specifically: the receiving end of the duplexer 41 is connected to the second uplink signal receiving end through the low-noise power amplifier unit 44. The low noise power amplifier unit 44 is configured to perform low noise amplification on the signal received through the antenna 42.
Please refer to fig. 2, which is a schematic structural diagram illustrating a method for controlling an electronic fence according to an embodiment of the present invention. Another aspect of the embodiments of the present invention provides a method for controlling the electronic fence, which is performed by a control module of the electronic fence, and includes:
s1, determining switching time according to the actual coverage range of the electronic fence;
and S2, periodically sending a switching control signal to the single-channel switching module according to the switching time, so that the single-channel switching module periodically gates one of the at least two radio frequency boards, and the at least two radio frequency boards periodically and alternately work.
Since the control method provided by the embodiment of the present invention is used for controlling the electronic fence through the controller, the electronic fence in the embodiment has been correspondingly recorded with the working principle and the beneficial effects of the controller, and thus, the description is omitted.
Compared with the prior art, the embodiment of the invention has the beneficial effects that: the embodiment of the invention provides an electronic fence which comprises a baseband processor, a single-channel switching module, a controller and at least two radio frequency boards, wherein the baseband processor is used for processing a signal; each radio frequency board works on different communication frequency bands respectively; the baseband processor is connected with the at least two radio frequency boards through the single-channel switching module; the control module is connected with the control end of the single-channel switching module; the control module is used for determining switching time according to the actual coverage range of the electronic fence and periodically sending a switching control signal to the single-channel switching module according to the switching time; the single-channel switching module is used for periodically gating one of the at least two radio frequency boards according to the switching control signal so as to enable the at least two radio frequency boards to periodically work alternately. In the embodiment of the invention, the controller controls the single-channel switching module to gate one of the at least two radio frequency boards, so that one radio frequency board is connected with the baseband processor, and the monitoring of a specific area is realized through one radio frequency board; because the single-channel switching module only gates one radio frequency board at a certain moment, all the radio frequency boards can work alternately periodically in a mode of sequentially gating all the radio frequency boards through the control module, monitoring on at least two communication frequency bands can be realized only through one baseband processor, and the size, the power consumption and the cost of the electronic fence are greatly reduced. Meanwhile, the embodiment of the invention also provides a control method for the electronic fence.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. An electronic fence is characterized by comprising a baseband processor, a single-channel switching module, a control module and at least two radio frequency boards; each radio frequency board works on different communication frequency bands respectively;
the baseband processor is connected with the at least two radio frequency boards through the single-channel switching module; the control module is connected with the control end of the single-channel switching module;
the control module is used for determining switching time according to the actual coverage range of the electronic fence and periodically sending a switching control signal to the single-channel switching module according to the switching time;
the single-channel switching module is used for periodically gating one of the at least two radio frequency boards according to the switching control signal so as to enable the at least two radio frequency boards to periodically work alternately.
2. The electronic fence of claim 1, wherein the baseband processor has a first downstream signal transmitting end and a first upstream signal receiving end, each of the rf boards has a second downstream signal transmitting end and a second upstream signal receiving end, and the single-channel switching module includes a single-channel transmitting switching unit and a single-channel receiving switching unit;
the control module with the control end of single channel switching module is connected, specifically is: the control module is respectively connected with the control end of the single-channel transmitting switching unit and the control end of the single-channel receiving switching unit;
the baseband processor is connected with the at least two radio frequency boards through the single-channel switching module, and specifically comprises: the first downlink signal transmitting end of the baseband processor is connected with the second downlink signal transmitting ends of the at least two radio frequency boards through the single-channel transmitting and switching unit, and the first uplink signal receiving end of the baseband processor is connected with the second uplink signal receiving ends of the at least two radio frequency boards through the single-channel receiving and switching unit.
3. The electronic fence of claim 1, wherein each of the radio frequency boards comprises a duplexer and an antenna; the transmitting end of the duplexer is connected with the second downlink signal transmitting end, the receiving end of the duplexer is connected with the second uplink signal receiving end, and the communication connecting end of the duplexer is connected with the antenna.
4. The electronic fence of claim 3, wherein each of the radio frequency boards further comprises a power amplification unit; the transmitting end of the duplexer is connected with the second downlink signal transmitting end, specifically: and the transmitting end of the duplexer is connected with the second downlink signal transmitting end through the power amplifying unit.
5. The electronic fence of claim 3, wherein each of the RF boards further comprises a low noise power amplifier unit; the receiving end of the duplexer is connected with the second uplink signal receiving end, specifically: and the receiving end of the duplexer is connected with the second uplink signal receiving end through the low-noise power amplification unit.
6. A control method for an electronic fence according to claim 1, performed by a control module of the electronic fence, comprising:
determining switching time according to the actual coverage range of the electronic fence;
and periodically sending a switching control signal to the single-channel switching module according to the switching time so as to enable the single-channel switching module to periodically gate one of the at least two radio-frequency boards and enable the at least two radio-frequency boards to periodically work alternately.
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CN110838213A (en) * | 2019-10-29 | 2020-02-25 | 汉腾汽车有限公司 | Implementation method of vehicle-mounted mobile communication electronic fence of intelligent police car |
CN112562238B (en) * | 2020-12-24 | 2022-07-01 | 中建材信息技术股份有限公司 | Real-time electronic fence generation method based on video |
CN115307694A (en) * | 2022-07-08 | 2022-11-08 | 新开普电子股份有限公司 | Fluid measuring method and system for ultrasonic measurement |
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CN101860941A (en) * | 2009-04-08 | 2010-10-13 | 索尼公司 | Wireless Telecom Equipment, wireless communication system, wireless communications method and program |
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