CN102970771A - Signal detection and acquisition method and system based on wireless sensor network - Google Patents
Signal detection and acquisition method and system based on wireless sensor network Download PDFInfo
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Abstract
The invention discloses a signal detection and acquisition method and system based on a wireless sensor network. According to the method, whether a topology structure of the existing wireless sensor network has a signal blind area and fault equipment is determined through accessing center gateway equipment of the wireless sensor network, acquiring a routing list of a network topology structure in an online and real-time manner, carrying out analysis and sampling on data, such as ID (Identity), MAC (Media Access Control) address, LQI (Link Quality Indication) and the like, in the routing list of the network topology structure, drawing a network topology vector diagram, creating alarm information and the like; and the system can upload the sampled data, the network topology vector diagram, the alarm information and the like to a network monitoring platform in time through a 3G (3rd Generation) mobile communication network after completing signal detection and acquisition, thereby carrying out deeper-layer decision-making processing.
Description
Technical field
The invention belongs to the Internet of Things field, relate to a kind of acquisition of signal acquisition method and system, especially a kind of acquisition of signal acquisition method and system based on wireless sensor network.
Background technology
Along with the fast development of Internet of Things industry, radio sensing network equipment spreads at Chinese development in recent years, and particularly these 2 years recently, spread by means of developing rapidly of 3G mobile communications network, mobile Internet and Internet of Things also form a kind of convergence gradually.Along with the use of radio sensing network is increasingly extensive, the acquisition of signal collecting device of radio sensing network and the demand of dynamic drafting network topological diagram are also got more and more.
The Main Means of the detection collection of radio sensing network signal is radio sensing network equipment in detection signal covers one by one by professional ZIGBEE signals collecting instrument at present.
There is following shortcoming in the detection acquisition technique of present existing radio sensing network signal:
1, occupation mode is complicated, needs the relevant speciality technical staff;
2, professional detecting instrument use cost is high;
3, be difficult to effective Fast Drawing network topological diagram;
4, testing result can't be uploaded to the network monitoring platform fast.
Summary of the invention
The object of the invention is to the feature for radio sensing network, design a kind of acquisition of signal harvester based on wireless sensor network, it is by the center gateway device of access wireless sensor network, online Real-time Obtaining network topology structure routing table, to the ID in the network topology structure routing table, MAC Address, LQI etc. carry out analytical sampling, draw the network topology polar plot, generate the activities such as warning information, determine whether existing radio sensing network topological structure exists signal blind zone and faulty equipment, system can acquisition of signal gather complete after, in time pass through the 3G mobile communications network with sampled data, network topology polar plot and warning information etc. upload to the network monitoring platform, to carry out deeper decision-making treatment.
The objective of the invention is to solve by the following technical programs:
This kind of the present invention may further comprise the steps based on the acquisition of signal acquisition method of wireless sensor network:
1) device that gathers as acquisition of signal implements to obtain the network topology order with the center gateway device of terminal mode access wireless sensor network;
2) data buffer zone is set, stores whole network topology structure routing table;
3) within the time period of setting according to the sampled data of network topology structure repeatedly, determine each equipment ZIGBEE wireless signal strength and network topology in the wireless sensor network, the line ordering of going forward side by side, averaging network topology polar plot in this time period is drawn in combination;
4) at device this network topological diagram of LCD display output on the panel, show simultaneously the ZIGBEE wireless signal strength, MAC Address, network ID, packet loss of each equipment, in net duration, number of dropped calls;
5) with the LQI of each equipment in each wireless sense network, MAC Address, network ID, packet loss, in net duration, number of dropped calls information package, local storage uploads to the network monitoring platform by WIFI or 3G Radio Link simultaneously;
6) utilize the LQI, MAC Address, network ID, packet loss of each equipment, in net duration, number of dropped calls information, determine the radio sensing network working condition, the optimized network topological structure;
7) for the ZIGBEE wireless signal strength a little less than, wireless sensing equipment in the more net of packet loss or number of dropped calls produces the warning information of this equipment in lcd screen, supports simultaneously the alarm information that will determine to send to the network monitoring platform and carries out analyzing and processing.
Further, above-mentioned steps 6) in, determine the radio sensing network working condition, the optimized network topological structure is specially: described LQI, packet loss, number of dropped calls are the content of ZIGBEE protocol stack, and the api function by the ZIGBEE protocol stack is invoked at the ZIGBEE gateway device and obtains, and the LQI value is lower, illustrate that signal strength signal intensity is lower, when the LQI value is lower than set point, then need to walk around shelter, perhaps shorten node device to the distance of higher level's routing device even redeploy this node device; If LQI value height but packet loss is large or number of dropped calls when many illustrates that this zone exists other wireless devices to disturb, and needs to select other channel avoid interference sources.
The present invention also proposes a kind of system that realizes said method, comprises with lower module:
(1) signal acquisition module: from wireless sensor network Real-time Obtaining network topology structure routing table, send to following business module after the data packing;
(2) business module: be responsible for receiving the message of signal acquisition module and processing, its processing is divided into three parts: resolve the network topology structure routing table, draw network topology polar plot and definite alarm equipment, the data after then will processing send to display module and mixed-media network modules mixed-media;
(3) display module: display network topology polar plot, wireless sense network facility information, warning information; Display module receives the data after business module is processed, and comprises wireless sense network facility information, network topology polar plot, warning information message, carries out active screen according to the systemic presupposition time and refreshes;
(4) mixed-media network modules mixed-media: mixed-media network modules mixed-media adopts TD-SCDMA 3G module, and it has the up-downgoing symmetry, uses smart antenna; Mixed-media network modules mixed-media sends to the network monitoring platform with the information that business module produces; The network monitoring platform is the equipment outside the system, be a number of units according to server, be used for receiving the packet that this device sends by mixed-media network modules mixed-media;
Described signal acquisition module is connected usb bus with business module and is connected, and business module and mixed-media network modules mixed-media interconnect by the TCP/IP mode, and business module is connected the LCD interface and connects with display module.
Above-mentioned signal acquisition module is connected gateway device and is connected with wireless sense network, the network topology structure routing table data that the Real-time Obtaining wireless sensing is online, simultaneously the network topology structure routing table data is resolved, when receiving the ID of certain routing channel, MAC, LQI, message data is placed into the data buffer zone, then this passage in the data buffer information is drawn network topology polar plot, with the message data packing and send to mixed-media network modules mixed-media.
The alarm equipment analysis of above-mentioned business module is: such as certain equipment distance in the wireless sense network or block when causing the LQI value to be lower than set point, system is by carrying out analysis-by-synthesis to this equipment adjacent node LQI correlation in the network topology structure routing table, calculate simultaneously suspicious degree, the related threshold condition that arranges relatively in advance writes the alarm list with the device id that satisfies condition.LQI value scope is 0-255, and 0 expression signal strength signal intensity is minimum, and 255 expression signal strength signal intensities are maximum; If the LQI value is lower, illustrate that signal strength signal intensity is low, then need to walk around shelter, perhaps shorten node device to the distance of higher level's routing device even redeploy this node device; If LQI value height but packet loss are large or number of dropped calls is more, illustrate that this zone exists other wireless devices to disturb, and needs to select other channel avoid interference sources; If this equipment packet loss represents with Los, this FU time (hour) number of dropped calls represents with Dc, suspicious degree represents with Q, then suspicious degree computing formula is: Q=LQI-Los*1000-Dc*10, it is 30 that the alarm threshold value condition is set, Q even〉30, then this device network situation satisfies the normal operation requirement, does not list the alarm list in; If Q＜30, then this device network situation is lower than the normal operation requirement, need to again plan this device location, and writes the alarm list.
The present invention has following beneficial effect:
The present invention is directed to the feature of radio sensing network, designed a kind of acquisition of signal harvester based on wireless sensor network, it is by the center gateway device of access wireless sensor network, online Real-time Obtaining network topology structure routing table, to the ID in the network topology structure routing table, MAC Address, the sampling of the data analysis such as LQI, draw the network topology polar plot, generate the activities such as warning information, determine whether existing radio sensing network topological structure exists signal blind zone and faulty equipment, system can acquisition of signal gather complete after, in time pass through the 3G mobile communications network with sampled data, network topology polar plot and warning information etc. upload to the network monitoring platform, to carry out deeper decision-making treatment.
Description of drawings
Fig. 1 is the structural representation of system of the present invention;
Fig. 2 is the overall workflow figure of system of the present invention;
Fig. 3 is the workflow diagram of business module of the present invention;
Embodiment
The invention belongs to the Internet of Things field, relate to a kind of acquisition of signal harvester based on wireless sensor network, specifically may further comprise the steps:
1) device that gathers as acquisition of signal implements to obtain the network topology order with the center gateway device of terminal mode access wireless sensor network;
2) data buffer zone is set, stores whole network topology structure routing table;
3) in the certain hour section according to the sampled data of network topology structure repeatedly, determine each equipment ZIGBEE wireless signal strength and network topology in the wireless sensor network, the line ordering of going forward side by side, averaging network topology polar plot in this time period is drawn in combination;
4) at device this network topological diagram of LCD display output on the panel, show simultaneously the ZIGBEE wireless signal strength (LQI), MAC Address, network ID, packet loss of each equipment, in information such as net duration, number of dropped calls;
5) with the LQI of each equipment in each wireless sense network, MAC Address, network ID, packet loss, in information package such as net duration, number of dropped calls, local storage uploads to the network monitoring platform by WIFI or 3G Radio Link simultaneously;
6) utilize the LQI, MAC Address, network ID, packet loss of each equipment, in information such as net duration, number of dropped calls, determine the radio sensing network working condition, the optimized network topological structure.Wherein determine the radio sensing network working condition, the optimized network topological structure is specially: described LQI, packet loss, number of dropped calls are the content of ZIGBEE protocol stack, api function by the ZIGBEE protocol stack is invoked at the acquisition of ZIGBEE gateway device, the LQI value is lower, illustrate that signal strength signal intensity is lower, when the LQI value is lower than set point, then need to walk around shelter, perhaps shorten node device to the distance of higher level's routing device even redeploy this node device; If LQI value height but packet loss is large or number of dropped calls when many illustrates that this zone exists other wireless devices to disturb, and needs to select other channel avoid interference sources.
7) for the ZIGBEE wireless signal strength a little less than, wireless sensing equipment in the more net of packet loss or number of dropped calls produces the warning information of this equipment in lcd screen, supports simultaneously the alarm information that will determine to send to the network monitoring platform and carries out analyzing and processing.
The present invention proposes a kind of system that realizes said method, as shown in Figure 1: this system is comprised of signal acquisition module, business module, display module and mixed-media network modules mixed-media, described signal acquisition module is connected usb bus with business module and is connected, business module and mixed-media network modules mixed-media interconnect by the TCP/IP mode, and business module is connected the LCD interface and connects with display module.The handling process of this system as shown in Figure 2.Below in conjunction with accompanying drawing each module that forms system is elaborated:
(1) signal acquisition module
This module sends to following business module from wireless sensor network Real-time Obtaining network topology structure routing table after the data packing
(2) business module
Such as Fig. 3, business module is responsible for receiving the message of signal acquisition module and processing, its processing is divided into three parts: resolve the network topology structure routing table, draw network topology polar plot and definite alarm equipment, the data after then will processing send to display module and mixed-media network modules mixed-media.
A) resolve the network topology structure routing table: the network topology structure routing table data that will obtain on the net from wireless sensing is in real time resolved, and when receiving the ID of certain routing channel, MAC, LQI, message data is placed into the data buffer zone.
B) draw the network topology polar plot: in certain predetermined sampled data of Dynamic Acquisition network topology structure repeatedly in the time period, through obtaining effective network topology structure data after the weighted average processing, according to each equipment ZIGBEE wireless signal strength and routing relation in the wireless sensor network, with equipment with adjacent path relation as adjacent node,, sort with ID number at last and generating network topology polar plot as the distance between them with wireless signal strength.Be saved in the medium module demonstration to be shown in data buffer zone or send to the network monitoring platform by mixed-media network modules mixed-media.Secondly, draw the network topology polar plot and then this passage in the data buffer information is drawn network topology polar plot, with relevant message data packing and send to mixed-media network modules mixed-media.
C) determine alarm equipment: if utilize in the wireless sense network certain equipment distant or have signal to block the characteristics that will cause the LQI value lower, by this equipment adjacent node LQI correlation in the network topology structure routing table is carried out analysis-by-synthesis, the related threshold condition that arranges relatively in advance writes the alarm list with the device id that satisfies condition.
LQI value scope is 0-255, and 0 expression signal strength signal intensity is minimum, and 255 expression signal strength signal intensities are maximum; If the LQI value is lower, illustrate that signal strength signal intensity is low, then need to walk around shelter, perhaps shorten node device to the distance of higher level's routing device even redeploy this node device; If LQI value height but packet loss are large or number of dropped calls is more, illustrate that this zone exists other wireless devices to disturb, and needs to select other channel avoid interference sources; If this equipment packet loss represents with Los, this FU time (hour) number of dropped calls represents with Dc, suspicious degree represents with Q, then suspicious degree computing formula is: Q=LQI-Los*1000-Dc*10, it is 30 that the alarm threshold value condition is set, Q even〉30, then this device network situation satisfies the normal operation requirement, does not list the alarm list in; If Q＜30, then this device network situation is lower than the normal operation requirement, need to again plan this device location, and writes the alarm list.
(3) display module
Display network topology polar plot, wireless sense network facility information, warning information.Display module receives the data after business module is processed, and comprises wireless sense network facility information, network topology polar plot, warning information message, carries out active screen according to the systemic presupposition time and refreshes.
(4) mixed-media network modules mixed-media
Mixed-media network modules mixed-media adopts TD-SCDMA 3G module, and it has the up-downgoing symmetry, uses smart antenna, and network coverage is large, and the characteristics such as signal stabilization, major function are that the information that business module produces is sent to the network monitoring platform; The network monitoring platform is the equipment outside the system, be a number of units according to server, be used for receiving the packet that this device sends by mixed-media network modules mixed-media.
Described signal acquisition module is connected gateway device and is connected with wireless sense network, the network topology structure routing table data that the Real-time Obtaining wireless sensing is online, simultaneously the network topology structure routing table data is resolved, when receiving the ID of certain routing channel, MAC, LQI, message data is placed into the data buffer zone, then this passage in the data buffer information is drawn network topology polar plot, with the message data packing and send to mixed-media network modules mixed-media.
In sum, the present invention is directed to the feature of radio sensing network, center gateway device by the access wireless sensor network, online Real-time Obtaining network topology structure routing table, to the ID in the network topology structure routing table, MAC Address, the sampling of the data analysis such as LQI, draw the network topology polar plot, generate the activities such as warning information, determine whether existing radio sensing network topological structure exists signal blind zone and faulty equipment, system can acquisition of signal gather complete after, in time pass through the 3G mobile communications network with sampled data, network topology polar plot and warning information etc. upload to the network monitoring platform, to carry out deeper decision-making treatment.
Claims (6)
1. the acquisition of signal acquisition method based on wireless sensor network is characterized in that, may further comprise the steps:
1) device that gathers as acquisition of signal implements to obtain the network topology order with the center gateway device of terminal mode access wireless sensor network;
2) data buffer zone is set, stores whole network topology structure routing table;
3) within the time period of setting according to the sampled data of network topology structure repeatedly, determine each equipment ZIGBEE wireless signal strength and network topology in the wireless sensor network, the line ordering of going forward side by side, averaging network topology polar plot in this time period is drawn in combination;
4) at device this network topological diagram of LCD display output on the panel, show simultaneously the ZIGBEE wireless signal strength, MAC Address, network ID, packet loss of each equipment, in net duration, number of dropped calls;
5) with the LQI of each equipment in each wireless sense network, MAC Address, network ID, packet loss, in net duration, number of dropped calls information package, local storage uploads to the network monitoring platform by WIFI or 3G Radio Link simultaneously;
6) utilize the LQI, MAC Address, network ID, packet loss of each equipment, in net duration, number of dropped calls information, determine the radio sensing network working condition, the optimized network topological structure;
7) for the ZIGBEE wireless signal strength a little less than, wireless sensing equipment in the more net of packet loss or number of dropped calls produces the warning information of this equipment in lcd screen, supports simultaneously the alarm information that will determine to send to the network monitoring platform and carries out analyzing and processing.
2. the acquisition of signal acquisition method based on wireless sensor network according to claim 1, it is characterized in that, in the step 6), determine the radio sensing network working condition, the optimized network topological structure is specially: described LQI, packet loss, number of dropped calls is the content of ZIGBEE protocol stack, api function by the ZIGBEE protocol stack is invoked at the acquisition of ZIGBEE gateway device, the LQI value is lower, illustrate that signal strength signal intensity is lower, when the LQI value is lower than set point, then need to walk around shelter, perhaps shorten node device to the distance of higher level's routing device even redeploy this node device; If LQI value height but packet loss is large or number of dropped calls when many illustrates that this zone exists other wireless devices to disturb, and needs to select other channel avoid interference sources.
3. a system that realizes the described method of claim 1 is characterized in that, comprises with lower module:
(1) signal acquisition module: from wireless sensor network Real-time Obtaining network topology structure routing table, send to following business module after the data packing;
(2) business module: be responsible for receiving the message of signal acquisition module and processing, its processing is divided into three parts: resolve the network topology structure routing table, draw network topology polar plot and definite alarm equipment, the data after then will processing send to display module and mixed-media network modules mixed-media;
(3) display module: display network topology polar plot, wireless sense network facility information, warning information; Display module receives the data after business module is processed, and comprises wireless sense network facility information, network topology polar plot, warning information message, carries out active screen according to the systemic presupposition time and refreshes;
(4) mixed-media network modules mixed-media: mixed-media network modules mixed-media adopts TD-SCDMA 3G module, and it has the up-downgoing symmetry, uses smart antenna; Mixed-media network modules mixed-media sends to the network monitoring platform with the information that business module produces;
Described signal acquisition module is connected usb bus with business module and is connected, and business module and mixed-media network modules mixed-media interconnect by the TCP/IP mode, and business module is connected the LCD interface and connects with display module.
4. system according to claim 3, it is characterized in that, described signal acquisition module is connected gateway device and is connected with wireless sense network, the network topology structure routing table data that the Real-time Obtaining wireless sensing is online, simultaneously the network topology structure routing table data is resolved, when receiving the ID of certain routing channel, MAC, LQI, message data is placed into the data buffer zone, then this passage in the data buffer information is drawn network topology polar plot, with the message data packing and send to mixed-media network modules mixed-media.
5. system according to claim 3, it is characterized in that, the alarm equipment analysis of described business module is: such as certain equipment distance in the wireless sense network or block when causing the LQI value to be lower than set point, system is by carrying out analysis-by-synthesis to this equipment adjacent node LQI correlation in the network topology structure routing table, calculate simultaneously suspicious degree, the related threshold condition that arranges relatively in advance writes the alarm list with the device id that satisfies condition.
6. system according to claim 5 is characterized in that, described LQI value scope is 0-255, and 0 expression signal strength signal intensity is minimum, and 255 expression signal strength signal intensities are maximum; If the LQI value is lower, illustrate that signal strength signal intensity is low, then need to walk around shelter, perhaps shorten node device to the distance of higher level's routing device even redeploy this node device; If LQI value height but packet loss are large or number of dropped calls is more, illustrate that this zone exists other wireless devices to disturb, and needs to select other channel avoid interference sources; If this equipment packet loss represents with Los, this FU time number of dropped calls represents with Dc, suspicious degree represents with Q, then suspicious degree computing formula is: Q=LQI – Los * 1000-Dc * 10, it is 30 that the alarm threshold value condition is set, Q even〉30, then this device network situation satisfies the normal operation requirement, does not list the alarm list in; If Q＜30, then this device network situation is lower than the normal operation requirement, need to again plan this device location, and writes the alarm list.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746858A (en) * | 2014-02-19 | 2014-04-23 | 山东微分电子科技有限公司 | Method for detecting wireless network topology |
| CN104683169A (en) * | 2013-11-29 | 2015-06-03 | 北京赛迪电子系统测评实验室有限公司 | Internet of things monitoring system |
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| CN107295557A (en) * | 2017-04-25 | 2017-10-24 | 北京三快在线科技有限公司 | The interference detection method and device of a kind of zigbee network |
| CN109041024A (en) * | 2018-08-14 | 2018-12-18 | Oppo广东移动通信有限公司 | Optimization of rate method, apparatus, electronic equipment and storage medium |
| WO2018232961A1 (en) * | 2017-06-19 | 2018-12-27 | 深圳市盛路物联通讯技术有限公司 | Method and system for updating internet of things routing table in conjunction with convergence unit information |
| CN110662199A (en) * | 2018-06-29 | 2020-01-07 | 中国电信股份有限公司 | Indoor wireless signal detection method and system and wireless signal detection equipment |
| CN111740792A (en) * | 2020-07-01 | 2020-10-02 | 江苏中利电子信息科技有限公司 | Ad hoc network signal strength alarm device |
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| CN114244681A (en) * | 2021-12-21 | 2022-03-25 | 深圳Tcl新技术有限公司 | Equipment connection fault early warning method and device, storage medium and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149867A (en) * | 2007-10-16 | 2008-03-26 | 浙江大学 | Tea garden microdomain monitoring method and system based on radio sensor network |
| US20090251314A1 (en) * | 2008-04-03 | 2009-10-08 | National Taiwan University | Back-end host server unit for remote ecological environment monitoring system |
| CN101808353A (en) * | 2010-03-08 | 2010-08-18 | 南昌航空大学 | Method for monitoring and analyzing own health status of wireless sensor network |
| CN102255954A (en) * | 2011-06-17 | 2011-11-23 | 浙江工商大学 | High voltage grid monitoring method and comprehensive monitoring system based on wireless sensor network |
-
2012
- 2012-11-20 CN CN201210472672.3A patent/CN102970771B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149867A (en) * | 2007-10-16 | 2008-03-26 | 浙江大学 | Tea garden microdomain monitoring method and system based on radio sensor network |
| US20090251314A1 (en) * | 2008-04-03 | 2009-10-08 | National Taiwan University | Back-end host server unit for remote ecological environment monitoring system |
| CN101808353A (en) * | 2010-03-08 | 2010-08-18 | 南昌航空大学 | Method for monitoring and analyzing own health status of wireless sensor network |
| CN102255954A (en) * | 2011-06-17 | 2011-11-23 | 浙江工商大学 | High voltage grid monitoring method and comprehensive monitoring system based on wireless sensor network |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104683169A (en) * | 2013-11-29 | 2015-06-03 | 北京赛迪电子系统测评实验室有限公司 | Internet of things monitoring system |
| CN103746858A (en) * | 2014-02-19 | 2014-04-23 | 山东微分电子科技有限公司 | Method for detecting wireless network topology |
| CN103746858B (en) * | 2014-02-19 | 2017-02-15 | 山东微分电子科技有限公司 | Method for detecting wireless network topology |
| CN106850323A (en) * | 2017-04-10 | 2017-06-13 | 深圳第线通信有限公司 | A kind of detection method of MPLS VPN customer networks broken string |
| CN107295557A (en) * | 2017-04-25 | 2017-10-24 | 北京三快在线科技有限公司 | The interference detection method and device of a kind of zigbee network |
| CN107295557B (en) * | 2017-04-25 | 2019-06-28 | 北京三快在线科技有限公司 | A kind of interference detection method and device of zigbee network |
| WO2018232961A1 (en) * | 2017-06-19 | 2018-12-27 | 深圳市盛路物联通讯技术有限公司 | Method and system for updating internet of things routing table in conjunction with convergence unit information |
| CN110662199A (en) * | 2018-06-29 | 2020-01-07 | 中国电信股份有限公司 | Indoor wireless signal detection method and system and wireless signal detection equipment |
| CN110662199B (en) * | 2018-06-29 | 2023-03-28 | 中国电信股份有限公司 | Indoor wireless signal detection method and system and wireless signal detection equipment |
| CN109041024A (en) * | 2018-08-14 | 2018-12-18 | Oppo广东移动通信有限公司 | Optimization of rate method, apparatus, electronic equipment and storage medium |
| CN111740792A (en) * | 2020-07-01 | 2020-10-02 | 江苏中利电子信息科技有限公司 | Ad hoc network signal strength alarm device |
| CN112815931A (en) * | 2021-01-05 | 2021-05-18 | 武汉星图测绘有限公司 | Real-time collection and processing method and system for land surveying and mapping operation data |
| CN114244681A (en) * | 2021-12-21 | 2022-03-25 | 深圳Tcl新技术有限公司 | Equipment connection fault early warning method and device, storage medium and electronic equipment |
| CN114244681B (en) * | 2021-12-21 | 2023-08-01 | 深圳Tcl新技术有限公司 | Equipment connection fault early warning method and device, storage medium and electronic equipment |
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