CN114554401B - Working method of multi-band electronic fence and multi-band electronic fence - Google Patents
Working method of multi-band electronic fence and multi-band electronic fence Download PDFInfo
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- CN114554401B CN114554401B CN202210044651.5A CN202210044651A CN114554401B CN 114554401 B CN114554401 B CN 114554401B CN 202210044651 A CN202210044651 A CN 202210044651A CN 114554401 B CN114554401 B CN 114554401B
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010295 mobile communication Methods 0.000 claims abstract description 63
- 238000004891 communication Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 230000006870 function Effects 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 18
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
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Classifications
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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
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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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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Abstract
The invention relates to the technical field of mobile communication network equipment, in particular to a working method of a multi-band electronic fence and the multi-band electronic fence, which comprises the following steps: s1: acquiring a system message of a target cell; the system message comprises a plurality of target cells and LTE frequency points in adjacent cells; s2: wireless parameters of each LTE frequency point at the fence antenna are respectively acquired; s3: generating frequency point priority according to the wireless parameters; s4: and detecting the mobile communication equipment according to the frequency point priority so as to realize the electronic fence function. The invention has the beneficial effects that: the wireless parameters and the mobile communication equipment on each LTE frequency point are monitored, so that the number of equipment to be monitored on each LTE frequency point is accurately judged, and the monitoring time length distributed to each LTE frequency point is dynamically adjusted according to actual conditions. The mobile communication equipment on each LTE frequency point is effectively monitored, the period required by integral polling is shortened, and the monitoring frequency and monitoring timeliness are improved.
Description
Technical Field
The invention relates to the technical field of mobile communication network equipment, in particular to a working method of a multi-band electronic fence and the multi-band electronic fence.
Background
An electronic fence is an electronic device constructed based on the mobile communication principle. The method is based on the existing mobile communication protocols, such as Bluetooth, WLAN, cellular mobile network and the like, and realizes the identification and detection of the proximity equipment. For example, a communication connection is established between the mobile phone and the mobile phone in a near communication range through a cellular mobile network, so that relevant information of the mobile phone, such as IMSI, IMEI and the like, is recorded, and the mobile phone passing through the place is recorded. The equipment is arranged in a specific place, so that the equipment can be used as a supplement to a traditional access control and security system, and the record and identification of people and equipment can be realized.
In the prior art, there are already electronic fence devices implemented based on LTE (Long Term Evolution, long term evolution technology). Thanks to the popularization of the LTE network equipment, the electronic fence equipment plays an extremely important role in low-speed scenes such as parks, communities, pedestrian streets, key units and the like. Meanwhile, in order to effectively identify various devices, the devices can detect mobile communication devices on a plurality of LTE frequency points based on a multi-band technology so as to achieve a good coverage effect on the mobile communication devices. However, in the implementation process, the inventor finds that the time consumption is long when the mobile communication device on each frequency band is traversed in the prior art due to the fact that the frequency bands of the LTE network are more, so that the single polling period of the electronic fence device is overlong, the monitoring timeliness of the mobile communication device is poor, and the higher monitoring frequency cannot be realized.
Disclosure of Invention
Aiming at the problems in the prior art, the working method of the multi-band electronic fence and the multi-band electronic fence are provided.
The specific technical scheme is as follows:
a working method of a multi-band electronic fence is characterized in that a plurality of fence antennas are preset, the fence antennas form an electronic fence, and the fence antennas are connected with a controller;
the method of operation comprises, for a single said fence antenna:
step S1: the fence antenna acquires a system message of a target cell;
the system message comprises a plurality of LTE frequency points in the target cell and a plurality of LTE frequency points in adjacent cells of the target cell;
step S2: the fence antenna respectively acquires wireless parameters of each LTE frequency point at the fence antenna;
step S3: the controller generates a frequency point priority corresponding to each LTE frequency point according to the wireless parameters;
step S4: and the fence antenna detects the mobile communication equipment on the LTE frequency point according to the frequency point priority so as to realize an electronic fence function.
Preferably, the step S4 includes:
step S41: ordering the LTE frequency points from high to low according to the frequency point priority, and generating frequency point weights corresponding to each LTE frequency point;
step S42: acquiring an operator corresponding to each LTE frequency point, and adjusting the frequency point weight according to the operator;
step S43: and generating a time duty ratio of each LTE frequency point in a polling period according to the frequency point weight, and sequentially detecting the mobile communication equipment on each LTE frequency point based on the time duty ratio so as to realize the electronic fence function.
Preferably, the working method further includes, after the step S4:
step S5: detecting each mobile communication device on the LTE frequency points respectively to obtain connection device information on each LTE frequency point, adjusting the time duty ratio of each LTE frequency point respectively according to the connection device information, and returning to the step S5;
the connection device information includes a device connection number.
Preferably, the time duty cycle includes a fixed time duty cycle and a flexible time duty cycle;
the step S43 includes: generating a fixed time duty ratio of each LTE frequency point in a polling period according to the frequency point weight, and generating the flexible time duty ratio according to the LTE frequency point with the highest frequency priority in each operator;
detecting the mobile communication equipment on each LTE frequency point in turn based on the time duty ratio so as to realize the electronic fence function;
the step S5 includes: and respectively detecting each mobile communication device on the LTE frequency points to acquire connection device information on each LTE frequency point, respectively adjusting the flexible time duty ratio of each LTE frequency point according to the connection device information, and then returning to the step S5.
Preferably, the radio parameters include a received power of the target cell, a minimum received power;
the step S41 includes: when the frequency point priorities of the LTE frequency points are the same, respectively generating a cooling and replacing threshold of the LTE frequency points according to the wireless parameters;
and adjusting the frequency point priority of the LTE frequency point according to the cooling threshold.
A multi-band electronic fence, comprising:
a fence antenna detecting an external mobile communication device on at least one LTE frequency point;
a plurality of fence antennas form an electronic fence;
the power amplification module is connected with the fence antenna;
the baseband module is connected with the power amplifier module;
the controller is connected with the baseband module, the power amplifier module and the fence antenna;
the controller is internally provided with a memory and a processor, wherein the memory stores computer instructions, and the processor runs the computer instructions to execute the working method.
Preferably, a plurality of power amplifier circuits are arranged in the power amplifier module, and the number of the power amplifier circuits corresponds to the number of the LTE frequency points and is used for driving the fence antenna to communicate on the LTE frequency points.
Preferably, the controller includes:
the antenna control submodule is connected with the fence antenna and used for controlling the fence antenna;
the power amplifier control submodule is connected with the power amplifier module;
the power amplifier control module obtains a working mode corresponding to the LTE frequency point, and the power amplifier control sub-module respectively controls the power amplifier circuit according to the working mode;
the LTE sub-module is connected with the baseband module, and the LTE sub-module controls the fence antenna to respectively establish communication connection with the mobile communication equipment positioned on the LTE frequency point through the baseband module;
the public network information acquisition submodule is connected with the baseband module and acquires system information of a target cell;
the LTE sub-module is connected with the public network information acquisition sub-module to acquire the system information;
and the LTE sub-module adjusts the communication connection according to the system information and the mobile communication equipment.
The technical scheme has the following advantages or beneficial effects: the wireless parameters and the mobile communication equipment on each LTE frequency point are monitored, so that the number of equipment to be monitored on each LTE frequency point is accurately judged, and the monitoring time length distributed to each LTE frequency point is dynamically adjusted according to actual conditions. The mobile communication equipment on each LTE frequency point is effectively monitored, the period required by integral polling is shortened, and the monitoring frequency and monitoring timeliness are improved.
Drawings
Embodiments of the present invention will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the invention.
FIG. 1 is an overall schematic of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the sub-step S4 in the embodiment of the invention;
FIG. 3 is a schematic overall view of another embodiment of the present invention;
fig. 4 is a schematic diagram of a multiband electronic fence according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
The invention comprises the following steps:
a working method of a multi-band electronic fence is characterized in that a plurality of fence antennas are preset, the fence antennas form an electronic fence, and the fence antennas are connected with a controller;
the method of operation for a single-pen antenna, as shown in fig. 1, includes:
step S1: the fence antenna acquires a system message of a target cell;
the system message comprises LTE frequency points in a plurality of target cells and a plurality of LTE frequency points in adjacent cells of the target cells;
step S2: the fence antenna respectively acquires wireless parameters of each LTE frequency point at the fence antenna;
step S3: the controller generates a frequency point priority corresponding to each LTE frequency point according to the wireless parameters;
step S4: the fence antenna detects mobile communication equipment on the LTE frequency point according to the frequency point priority so as to realize the electronic fence function.
Specifically, aiming at the problem that in the prior art, the time consumption is long when the multi-band electronic fence device detects the mobile communication device on each LTE frequency point, in the embodiment, the frequency point priority of each LTE frequency point is generated by introducing the wireless parameter, and then the time duty ratio of detecting the mobile communication device on each LTE frequency point in a single polling period is adjusted according to the frequency point priority. The LTE frequency points with higher frequency point priority are allocated with more time, so that the detection time of the LTE frequency points with lower frequency point priority is shortened, the detection effect of the mobile communication equipment is ensured, the whole polling period is shortened, and the monitoring frequency is improved.
In an implementation, the target cell is a cell of a cellular mobile network in which the fence antenna is located, and the system information refers to SIB3, SIB4, and SIB5 messages corresponding to the target cell. Based on the above information, the frequency point, PCI, TAC, CI, signal emphasis, priority of each operator in the target cell can be obtained. The antenna parameters are based on mobile network wireless parameters acquired by the fence antenna, and comprise the pci and the signal strength of the same-frequency adjacent cells, such as qrxlevMin, qhyst, sintraSearch, snondinterasesearch, and the like of the target cell; frequency points of the inter-frequency points, priority, qrxlevMin, threshXhigh, threshXLow and other parameters. And comprehensively obtaining the frequency point priority corresponding to each LTE frequency point based on the parameters, namely determining the frequency point priority by predicting the number of the mobile communication devices possibly existing on each LTE frequency point, and further realizing the adjustment of the time duty ratio of each LTE frequency point in a single polling period.
In a preferred embodiment, as shown in fig. 2, step S4 includes:
step S41: ordering LTE frequency points from high to low according to the frequency point priority, and generating frequency point weights corresponding to each LTE frequency point;
step S42: acquiring an operator corresponding to each LTE frequency point, and adjusting the frequency point weight according to the operator;
step S43: and generating the time duty ratio of each LTE frequency point in a polling period according to the frequency point weight, and sequentially detecting the mobile communication equipment on each LTE frequency point based on the time duty ratio so as to realize the electronic fence function.
Specifically, aiming at the problem that in the prior art, the time duty ratio allocated to each LTE frequency point in a single polling period cannot be adjusted according to the number of mobile communication devices, so that the polling period is longer, in this embodiment, through sorting the priorities of the frequency points, then according to the operator adjustment weight, the mobile communication devices possibly appearing on each LTE frequency point are estimated, and then the adjustment of the time duty ratio of the LTE frequency points is realized.
In the implementation process, three operators of China Mobile, china Unicom and China telecom are taken as examples. Before the fence antenna is set, the number of network access devices of each operator in the local area is collected through each operator in advance, and then a weighting value corresponding to the operator is generated according to the number of network access devices. In one embodiment, the number of the network access devices of the china mobile is the sum of the number of the network access devices of the china mobile and the number of the network access devices of the china telecommunication, the weighting value of the china mobile is set to be 2, the weighting values of the china mobile and the china telecommunication are respectively 1, and then the weighting values and the frequency point weights are multiplied to generate the actual frequency point weights, so that the estimated accuracy is improved.
In a preferred embodiment, as shown in fig. 3, the working method further includes, after step S4:
step S5: detecting each mobile communication device on the LTE frequency points respectively to acquire connection device information on each LTE frequency point, adjusting the time duty ratio of each LTE frequency point according to the connection device information respectively, and returning to the step S5;
the connection device information includes the number of device connections.
Specifically, the method aims at the problem that in the prior art, the time duty ratio allocated to each LTE frequency point in a single polling period cannot be adjusted according to the number of mobile communication devices, so that the polling period is longer. In this embodiment, after the mobile communication device is monitored for a period of time, the time duty ratio of each LTE frequency point is further adjusted according to the number of mobile communication devices on each LTE frequency point actually monitored in the period of time. And then completing a self-learning process of the connection condition of the mobile communication equipment through accumulated measurement, so that the time duty ratio accords with the actual connection condition.
In the implementation process, the connection device information further includes a signal strength of each mobile communication device, which is used for evaluating the monitoring condition of the mobile communication device on the LTE frequency point. When the signal strength of the mobile communication equipment on a specific LTE frequency point is weaker, the base station deployment condition of the LTE frequency point is not good, the time duty ratio allocated to the LTE frequency point can be properly reduced, and the transmitting power of the fence antenna on the LTE frequency point is properly increased so as to achieve a better monitoring effect.
In a preferred embodiment, the time duty cycle includes a fixed time duty cycle and a flexible time duty cycle;
step S43 includes: generating a fixed time duty ratio of each LTE frequency point in a polling period according to the frequency point weight, and generating a flexible time duty ratio according to the LTE frequency point with the highest frequency point priority in each operator;
detecting mobile communication equipment on each LTE frequency point in sequence based on the time duty ratio so as to realize the electronic fence function;
the step S5 comprises the following steps: and respectively detecting each mobile communication device on the LTE frequency points to acquire the connection device information on each LTE frequency point, respectively adjusting the flexible time duty ratio of each LTE frequency point according to the connection device information, and then returning to the step S5.
In particular, the method aims at solving the problem that the time duty ratio allocated to each LTE frequency point in a single polling period cannot be effectively adjusted according to the number of mobile communication devices in the prior art. In this embodiment, the time duty ratio is divided into the fixed time duty ratio and the flexible time duty ratio, so that on one hand, the adjustment of the time duty ratio according to the number of mobile communication devices in the actual connection process is realized, and on the other hand, the setting of the lower limit of the time duty ratio on the unit LTE frequency point is realized by setting the fixed time duty ratio, so that the problem that the time duty ratio is too low due to too small number of mobile communication devices on a certain LTE frequency point under specific conditions, and further the monitoring omission is caused is avoided.
In practice, the length of the flexible time duty cycle may be 10% to 30% of the total time duty cycle.
In a preferred embodiment, the radio parameters include the received power of the target cell, the minimum received power;
step S41 includes: when the frequency point priorities of the LTE frequency points are the same, respectively generating a cooling and replacing threshold of the LTE frequency points according to the wireless parameters;
and adjusting the frequency point priority of the LTE frequency point according to the cooling threshold.
In particular, the method aims at solving the problem that the time duty ratio allocated to each LTE frequency point in a single polling period cannot be effectively adjusted according to the number of mobile communication devices in the prior art. In the embodiment, the further comparison of the LTE frequency points with the same frequency point priority is realized by generating the change threshold, so that the frequency point priority is refined, and the sequence among the LTE frequency points is judged more effectively.
In the implementation process, the cooling threshold can be implemented based on an R criterion or an S criterion specified in the 3GPP protocol, so that the cooling threshold of two LTE frequency points is calculated, and then the LTE frequency points with the same priority of the two frequency points are adjusted according to the cooling threshold, so that the frequency point priority of the LTE frequency point with the lower cooling threshold is higher than the LTE frequency point with the higher cooling threshold.
A multi-band electronic fence, as shown in fig. 4, comprising:
a fence antenna 1, the fence antenna 1 detecting external mobile communication devices on at least one LTE frequency point;
a plurality of fence antennas form an electronic fence;
the power amplification module 2 is connected with the fence antenna 1;
the baseband module 3 is connected with the power amplifier module 2;
the controller 4 is connected with the baseband module 3, the power amplifier module 2 and the fence antenna 1;
the controller 4 is provided with a memory 48 and a processor 49, in which memory 48 computer instructions are stored, which processor executes the computer instructions to perform the above-described method of operation for detecting a mobile communication device.
In particular, the method aims at solving the problem that the time duty ratio allocated to each LTE frequency point in a single polling period cannot be effectively adjusted according to the number of mobile communication devices in the prior art. In this embodiment, by executing the above working method in the electronic fence, the detection duration of the LTE frequency point with a lower frequency point priority is reduced. The method ensures the detection effect of the mobile communication equipment, reduces the whole polling period and improves the monitoring frequency.
Further, the fence antenna 1 is a smart antenna board, and the corresponding logic circuit is selected under the control of the antenna control sub-module 41, so as to adjust the antenna to achieve better transmission efficiency in different LTE frequency points, WLAN frequency bands and 2.4Ghz bands. The power amplifier module 2 has the advantages that the power amplifier circuits are integrated on the power amplifier board to achieve good integration, and the equipment size is reduced.
In a preferred embodiment, a plurality of power amplifier circuits are arranged in the power amplifier module 2, and the number of the power amplifier circuits corresponds to the number of the LTE frequency points and is used for driving the fence antenna to communicate on the LTE frequency points.
In an embodiment, the power amplifier circuit includes a first power amplifier circuit 21, a second power amplifier circuit 22, and a third power amplifier circuit 23.
It should be noted that, the first power amplifier circuit 21, the second power amplifier circuit 22 and the third power amplifier circuit 23 in the present embodiment and fig. 4 are only illustrative examples, and are used to indicate that the power amplifier module 2 has a plurality of power amplifier circuits. In the practical implementation process, the number of the power amplifier circuits depends on the LTE frequency point of the electronic fence. For example, in one embodiment, the electronic fence supports BAND1, BAND3, BAND5, BAND8, BAND34, BAND39, BAND40, and BAND38 (41) frequency BANDs, and power amplifier circuits corresponding to each frequency BAND are provided, respectively.
In a preferred embodiment, the controller 4 comprises:
an antenna control sub-module 41, the antenna control sub-module 41 is connected with the fence antenna 1, and the antenna control sub-module 41 controls the fence antenna 1;
the power amplifier control sub-module 42 is connected with the power amplifier module 2;
the power amplifier control module 42 obtains a working mode corresponding to the LTE frequency point, and the power amplifier control sub-module 42 respectively controls the power amplifier circuits according to the working mode;
the LTE sub-module 43 is connected with the baseband module 3, and the LTE sub-module 43 controls the fence antenna 1 through the baseband module 3 to respectively establish communication connection with mobile communication equipment positioned on an LTE frequency point;
the public network information acquisition sub-module 44 is connected with the baseband module 44, and the public network information acquisition sub-module acquires the system information of a target cell;
the LTE sub-module 43 is connected to the public network information acquisition sub-module 44 to acquire system information;
the LTE sub-module 43 adjusts the communication connection according to the system information and the mobile communication device.
Specifically, to achieve a better monitoring effect, the electronic fence is configured to establish a communication connection with the mobile communication device through an FDD (frequency division multiple access) mode and a TDD (time division multiple access) mode. In this embodiment, for different working modes, different power amplifier circuits are controlled by the power amplifier control module 42 to realize better communication connection. For example, in the FDD mode, the frequency BANDs of BAND1, BAND3, BAND5 and BAND8 can be selected, and the better communication effect in the FDD mode can be realized through the power amplifier circuit of the corresponding frequency BAND; in the TDD mode, the frequency BANDs of BAND34, BAND39, BAND40 and BAND41 (38) may be selected, where TDD2 may be further configured as BAND5 (8), and further a corresponding power amplifier circuit may be selected, so as to achieve a better communication effect in the TDD mode.
In a preferred embodiment, the controller 4 further comprises:
a WLAN acquisition sub-module 45, configured to acquire a mobile communication device in a WLAN frequency band;
a bluetooth acquisition sub-module 46 for acquiring mobile communication devices in bluetooth frequency band;
the wired network sub-module 47 is configured to transmit the collected data back to a remote server through a wired network.
The memory 48 also stores collected monitoring data corresponding to the mobile communication device.
The invention has the beneficial effects that: the wireless parameters and the mobile communication equipment on each LTE frequency point are monitored, so that the number of equipment to be monitored on each LTE frequency point is accurately judged, and the monitoring time length distributed to each LTE frequency point is dynamically adjusted according to actual conditions. The mobile communication equipment on each LTE frequency point is effectively monitored, the period required by integral polling is shortened, and the monitoring frequency and monitoring timeliness are improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included in the scope of the present invention.
Claims (7)
1. The working method of the multi-band electronic fence is characterized in that a plurality of fence antennas are preset, the fence antennas form an electronic fence, and the fence antennas are connected with a controller;
the method of operation comprises, for a single said fence antenna:
step S1: the fence antenna acquires a system message of a target cell;
the system message comprises a plurality of LTE frequency points in the target cell and a plurality of LTE frequency points in adjacent cells of the target cell;
step S2: the fence antenna respectively acquires wireless parameters of each LTE frequency point at the fence antenna;
step S3: the controller generates a frequency point priority corresponding to each LTE frequency point according to the wireless parameters;
step S4: the fence antenna detects mobile communication equipment on the LTE frequency point according to the frequency point priority so as to realize an electronic fence function;
the step S4 includes:
step S41: ordering the LTE frequency points from high to low according to the frequency point priority, and generating frequency point weights corresponding to each LTE frequency point;
step S42: acquiring an operator corresponding to each LTE frequency point, and adjusting the frequency point weight according to the operator;
step S43: and generating a time duty ratio of each LTE frequency point in a polling period according to the frequency point weight, and sequentially detecting the mobile communication equipment on each LTE frequency point based on the time duty ratio so as to realize the electronic fence function.
2. The working method according to claim 1, further comprising, after step S4:
step S5: detecting each mobile communication device on the LTE frequency points respectively to obtain connection device information on each LTE frequency point, adjusting the time duty ratio of each LTE frequency point respectively according to the connection device information, and returning to the step S5;
the connection device information includes a device connection number.
3. The method of operation of claim 2, wherein the time duty cycle comprises a fixed time duty cycle and a flexible time duty cycle;
the step S43 includes: generating a fixed time duty ratio of each LTE frequency point in a polling period according to the frequency point weight, and generating the flexible time duty ratio according to the LTE frequency point with the highest frequency priority in each operator;
detecting the mobile communication equipment on each LTE frequency point in turn based on the time duty ratio so as to realize the electronic fence function;
the step S5 includes: and respectively detecting each mobile communication device on the LTE frequency points to acquire connection device information on each LTE frequency point, respectively adjusting the flexible time duty ratio of each LTE frequency point according to the connection device information, and then returning to the step S5.
4. The method of claim 1, wherein the radio parameters include a received power of the target cell, a minimum received power;
the step S41 includes: when the frequency point priorities of the LTE frequency points are the same, respectively generating a cooling and replacing threshold of the LTE frequency points according to the wireless parameters;
and adjusting the frequency point priority of the LTE frequency point according to the cooling threshold.
5. A multi-band electronic fence, comprising:
a fence antenna detecting an external mobile communication device on at least one LTE frequency point;
a plurality of fence antennas form an electronic fence;
the power amplification module is connected with the fence antenna;
the baseband module is connected with the power amplifier module;
the controller is connected with the baseband module, the power amplifier module and the fence antenna;
the controller has a memory and a processor, the memory having stored therein computer instructions that are executable by the processor to perform the method of any of claims 1-4.
6. The multi-band electronic fence of claim 5, wherein a plurality of power amplifier circuits are arranged in the power amplifier module, and the number of the power amplifier circuits corresponds to the number of LTE frequency points and is used for driving the fence antenna to communicate on the LTE frequency points.
7. The electronic fence of claim 6, wherein the controller comprises:
the antenna control submodule is connected with the fence antenna and used for controlling the fence antenna;
the power amplifier control submodule is connected with the power amplifier module;
the power amplifier control submodule acquires a working mode corresponding to the LTE frequency point, and the power amplifier control submodule respectively controls the power amplifier circuit according to the working mode;
the LTE sub-module is connected with the baseband module, and the LTE sub-module controls the fence antenna to respectively establish communication connection with the mobile communication equipment positioned on the LTE frequency point through the baseband module;
the public network information acquisition submodule is connected with the baseband module and acquires system information of a target cell;
the LTE sub-module is connected with the public network information acquisition sub-module to acquire the system information;
and the LTE sub-module adjusts the communication connection according to the system information and the mobile communication equipment.
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| CN202210044651.5A CN114554401B (en) | 2022-01-14 | 2022-01-14 | Working method of multi-band electronic fence and multi-band electronic fence |
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| CN202210044651.5A CN114554401B (en) | 2022-01-14 | 2022-01-14 | Working method of multi-band electronic fence and multi-band electronic fence |
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| CN114554401A CN114554401A (en) | 2022-05-27 |
| CN114554401B true CN114554401B (en) | 2024-01-23 |
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| US9820150B2 (en) * | 2015-09-25 | 2017-11-14 | Harris Corporation | Managed access system having filtered communications using network interface device |
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| CN107038980A (en) * | 2017-04-12 | 2017-08-11 | 合肥才来科技有限公司 | A kind of advertisement of stadiums fence screen and promotional videos synchronous playing system |
| CN108933989A (en) * | 2018-06-26 | 2018-12-04 | 重庆邮电大学 | A kind of IMSI extracting method of 4G electronic enclosure system |
| WO2020180021A1 (en) * | 2019-03-06 | 2020-09-10 | Samsung Electronics Co., Ltd. | Electronic device and method for scanning channel to perform location-based service |
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