CN104835277A - Invasion detection mechanism based on RSSI under enclosing environment - Google Patents
Invasion detection mechanism based on RSSI under enclosing environment Download PDFInfo
- Publication number
- CN104835277A CN104835277A CN201510269052.3A CN201510269052A CN104835277A CN 104835277 A CN104835277 A CN 104835277A CN 201510269052 A CN201510269052 A CN 201510269052A CN 104835277 A CN104835277 A CN 104835277A
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- rssi
- sensor node
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention relates to the finance and valuables antitheft field, and discloses an invasion detection mechanism based on an RSSI under an enclosing environment; the invasion detection mechanism comprises the following steps: selecting one-to-one an emitter antenna and a sensor node under the enclosing environment, the emitter antenna emits electromagnetic waves according to an emission period, the sensor node receives a signal and extracts a RSSI value and sends the value to a host, and the host matches the RSSI value with an original reference value scope; continue keeping a power saving mode detection if the host detects the extracted RSSI value satisfies the original reference value scope; immediately triggering an alarm device and starting resting emitter antennas and sensor nodes if the host detects the extracted RSSI value is lower than the the original reference value scope or the extracted RSSI value fluctuates. The invasion detection mechanism can monitor the enclosing environment in real time, and can timely send alarms if foreign matter invade, thus greatly improving valuables safety; the invasion detection mechanism is high in sensitivity, simple and practical, and saves power and resources.
Description
Technical field
The present invention relates to the intrusion detection mechanism based on RSSI under a kind of enclosed environment.Be applicable to radio communication, web-transporting device, belong to radio communication and finance, the antitheft field of valuables safety precaution.
Background technology
Along with the development of economic society, the exhibition of the valuables such as historical relic, valuable art pieces, jewelry is increased day by day, with it simultaneously, corresponding security protection work is also more and more important, these valuables are generally all placed in transparent showcase when displaying and put on display, simple user of service carries out keeping an eye on need waste a large amount of manpower financial capacities, video is used to monitor it, also personnel are needed to wait for before monitored picture and check, expend certain manpower and materials, simultaneously because people has slack situation, unavoidably so also there is certain security risk.
RSSI (Received Signal Strength Indication) represents the signal receiving strength instruction of receiving antenna, and its measurement parameter scope is generally 0 ~ 255, and this measured value does not generally comprise the loss of antenna gain or transmission system.Current theory frequently by the distance of the RSSI value measured signal point received and acceptance point, and then positions according to corresponding data, this technology and calculating method that the engine of positioning as the ZigBee-network CC2431 chip of wireless sensing just adopts.
Guard against theft and alarm system is deployed troops on garrison duty to Discussion on architecture primary location and region with detector exactly.It can detect illegal invasion in time, and when having detected juridical-person and having invaded, warns in time to the relevant personnel.For example door status switch, glass breaking alarm etc. effectively can detect external people and invade, and infrared eye can the activity etc. of perception personnel in building.Once there is people to invade behavior, time, the place of invasion can be recorded in time, send alerting signal by panalarm simultaneously.
Be current burglar alarm industry application product the most widely with infrared alarming mechanism for the infra-red alarm of principle, be mainly divided into active and passive type two kinds.Active infrared alarm, be that alarm initiatively sends infrared ray, infrared ray encounters barrier, will rebound, and is received by the probe of alarm.If probe monitors arrives, infrared ray is actionless, namely constantly sends that red line constantly rebounds again, and so alarm would not be reported to the police.When there being the object of movement to offend the invisible red line of this root, probe detects abnormal will warning.
Above anti-theft product is simple to operation, but also has its weak point.In daily life, invasion activity is relatively less, infra-red alarm is waited at one's leisure and is not still stopped issuing infrared ray, neither power saving causes the wasting of resources, also radiation hazard personal security can be produced, if when needing to ensure the monitoring without dead angle of certain limit, just must run multiple sensor emission many infrared rays, hardware cost increases greatly.
Based on the intrusion detection mechanism of RSSI under a kind of new enclosed environment of invention, ideally improve the shortcoming of above system, only need to retain man-to-man emitting antenna and sensor node receiving and transmitting signal time idle, because the signal used is electromagnetic wave, whole region can be covered under enclosed environment, save electricity, cost also ensure that detection performance while reducing.
Summary of the invention
In order to improve the shortcoming of method in the past, improving the resource utilization of intrusion detection mechanism, the present invention proposes a kind of method that change according to received signal strength detects invasion.This process employs RSSI be convenient to receive, be convenient to extract and advantage to foreign matter sensitivity, under enclosed environment, effectively can detect foreign body intrusion.
Based on the intrusion detection mechanism of RSSI under a kind of enclosed environment of the present invention, comprising:
101, under an enclosed environment, arrange multiple emitting antenna, multiple wireless sensor node around room, sensor node is connected with main frame.Main frame mainly comprises alarm device.
102, RSSI reference value scope debugging.Select man-to-man emitting antenna and sensor node, emitting antenna uninterruptedly sends electromagnetic wave, sensor node Received signal strength, extracts RSSI value and passes to main frame, and main frame stores and records the fluctuation range of RSSI reference value.
103, battery saving mode monitoring.Emitting antenna is according to transmitting periodic emission electromagnetic wave, and sensor node Received signal strength, extracts RSSI value and pass to main frame.
104, this RSSI value is mated with former reference value scope by main frame, detects RSSI value whether in reference value fluctuation range.
If 104-1 Host Detection meets the area requirement of former reference value to the RSSI value extracted, then continue to keep battery saving mode to detect.
If 104-2 Host Detection to extract RSSI value lower than former reference value scope or when there is larger fluctuation, be judged as foreign body intrusion, start alarm device immediately and notify related personnel, start residue emitting antenna and sensor node simultaneously, the uninterrupted emitting electromagnetic wave of emitting antenna, sensor node Received signal strength also extracts RSSI value and passes main frame back.
The present invention utilizes RSSI to be easily affected, the thought of invader can be reflected fast, detect whether there is invasion by the change of its value, carry out compared with detection with adopting infrared alarming mechanism in prior art, the present invention uses the RSSI value being simple and easy to measure to carry out intrusion detection to enclosed environment, improve Practical Performance and verification and measurement ratio, reduce cost, while power saving, avoid again the waste of manpower and materials.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with accompanying drawing, the present invention is described in further details, wherein:
Fig. 1 is that the intrusion detection mechanism prevailing scenario based on RSSI under enclosed environment arranges reference diagram;
Fig. 2 is the intrusion detection mechanism operating process schematic diagram based on RSSI under enclosed environment.
Embodiment
In order to carrying out intrusion detection under enclosed environment to protect our valuables, in order to improve the shortcoming of method in the past, improve detection perform and resource utilization, the present invention proposes a kind of method that change according to received signal strength detects invasion.This process employs RSSI be convenient to receive, be convenient to extract and advantage to foreign matter sensitivity, under enclosed environment, effectively can detect foreign body intrusion.
Below with reference to accompanying drawing, by describing the specific embodiment of intrusion detection mechanism under a preferred enclosed environment in detail, the present invention is described in detail; Should be appreciated that preferred embodiment only in order to the present invention is described, and can not be used for limiting the scope of the invention.
As shown in Figure 1, propose a kind of intrusion detection mechanism embodiment based on RSSI, comprising: an enclosed environment 1 time, arrange multiple emitting antenna 2, multiple wireless sensor node 3 around room, sensor node is connected with main frame 4.Main frame mainly comprises alarm device 5.
Enclosed environment 1 is generally an airtight room.
Emitting antenna 2 can launch the electromagnetic wave of fixed frequency.
Wireless sensor node 3 can comprise receiving antenna and conversion chip.
Preferably, the measurement of RSSI value is extracted and is required depending on concrete signal, current use is select based on the hardware platform of Zigbee as radio communication platform comparatively widely, uses the radio transmitting and receiving chip CC2430 etc. of TI company to complete the collection of communication between emissive source and receiving antenna and RSSI.The compatible IEEE802.15.4 specification of its chip, its output power arranges 8 power output stages by software programming, and wherein, 0dBm is the acquiescence output power of chip.Dual-mode antenna adopts omnidirectional antenna, after receiving the packet of emissive source transmitting, then packet is converted into corresponding RSSI value according to certain standard.
Main frame 4 is generally main flow PC.
Alarm device 5 simply can be interpreted as a warning horn.
See Fig. 2, propose intrusion detection of the present invention mechanism process flow diagram, comprising:
Step 101, an enclosed environment 1 time, arrange multiple emitting antenna 2, multiple wireless sensor node 3 around room, sensor node is connected with main frame 4.Main frame mainly comprises alarm device 5.Specific embodiment is shown in Fig. 1.
Step 102, RSSI reference value scope are debugged.Select man-to-man emitting antenna 2 and sensor node 3, emitting antenna 2 uninterruptedly sends electromagnetic wave, sensor node 3 Received signal strength, extracts RSSI value and passes to main frame 4, and main frame 4 stores and records the fluctuation range of RSSI reference value.
Preferably, in general, when electromagnetic wave is propagated under even environment, only and distance dependent, when environment is constant, RSSI only understands subtle change, and fluctuation range is depending on concrete enclosed environment situation for the RSSI reference value of extraction.
Step 103, battery saving mode are monitored.Emitting antenna 2 is according to transmitting periodic emission electromagnetic wave, and sensor node 3 Received signal strength, extracts RSSI value and pass to main frame 4.
Preferably, launch cycle tool stereo device and precision and determine.
This RSSI value is mated with former reference value scope by step 104, main frame, detects RSSI value whether in reference value fluctuation range.
If step 104-1 main frame 4 detects that the RSSI value of extraction meets the area requirement of former reference value, then continue to keep battery saving mode to detect.
If step 104-2 main frame 4 detect the RSSI value of extraction lower than former reference value scope or there is larger fluctuation time, be judged as foreign body intrusion, start alarm device 5 immediately and notify related personnel, start residue emitting antenna 2 and sensor node 3 simultaneously, the uninterrupted emitting electromagnetic wave of emitting antenna 2, sensor node 3 Received signal strength also extracts RSSI value and passes main frame 4 back.
Preferably, when in above-mentioned steps, electromagnetic wave is propagated under non-homogeneous environment, the RSSI value of extraction also has relation with the conductivity of shelter.When there being foreign body intrusion, the conductivity of the Conductivity Ratio air of foreign matter is large, and cause RSSI acutely to decay in communication process, the RSSI value therefore detected can sharply reduce.
Preferably, in the present embodiment, the above foreign matter or invader are appreciated that as people.
Preferably, in the present embodiment, main frame is set and also comprises positioning chip, when alarm device is triggered, host-initiated residue emitting antenna 2 and sensor node 3, the uninterrupted emitting electromagnetic wave of emitting antenna 2, sensor node 3 Received signal strength also extracts RSSI value and passes main frame 4 back, and main frame 4 utilizes a large amount of RSSI value received to position invader.
Preferably, in the present embodiment, the location algorithm that positioning chip uses can comprise tomography algorithm, RSSI range of triangle algorithm or TRM-FMM indoor positioning algorithms etc.
Preferably, in the present embodiment, arrange in enclosed environment and also comprise far infrared camera, after main frame 4 obtains anchor point, control far infrared camera and anchor point is accurately taken, pass picture rich in detail back, thus be conducive to the information that related personnel grasps invader.
Be understood that; above lifted embodiment or embodiment are only the preferred embodiment of the present invention; not in order to limit the present invention; all within the spirit and principles in the present invention the present invention is made any amendment, equivalent replacement, improvement etc., all should protection scope of the present invention be included in.
Claims (5)
1. machine-processed based on the intrusion detection of RSSI under an enclosed environment, it is characterized in that, comprising:
101, under an enclosed environment, arrange multiple emitting antenna, multiple wireless sensor node around room, sensor node is connected with main frame.Main frame mainly comprises alarm device.
102, RSSI reference value scope debugging.Select man-to-man emitting antenna and sensor node, emitting antenna uninterruptedly sends electromagnetic wave, sensor node Received signal strength, extracts RSSI value and passes to main frame, and main frame stores and records the fluctuation range of RSSI reference value.
103, battery saving mode monitoring.Emitting antenna is according to transmitting periodic emission electromagnetic wave, and sensor node Received signal strength, extracts RSSI value and pass to main frame.
104, this RSSI value is mated with former reference value scope by main frame, detects RSSI value whether in reference value fluctuation range.
If 104-1 Host Detection meets the area requirement of former reference value to the RSSI value extracted, then continue to keep battery saving mode to detect.
If 104-2 Host Detection to extract RSSI value lower than former reference value scope or when there is larger fluctuation, be judged as foreign body intrusion, start alarm device immediately and notify related personnel, start residue emitting antenna and sensor node simultaneously, the uninterrupted emitting electromagnetic wave of emitting antenna, sensor node Received signal strength also extracts RSSI value and passes main frame back.
2. according to claim 1 under enclosed environment based on the intrusion detection mechanism of RSSI, it is characterized in that, in step 102:
In general, when electromagnetic wave is propagated under even environment, only and distance dependent, when environment is constant, RSSI only understands subtle change, and the fluctuation range of reference value is depending on concrete enclosed environment situation for the RSSI reference value of extraction.
3. according to claim 1 under enclosed environment based on the intrusion detection mechanism of RSSI, it is characterized in that, in step 104-2:
Described foreign matter or invader are appreciated that as people.
4. according to claim 1 under enclosed environment based on the intrusion detection mechanism of RSSI, it is characterized in that, described main frame can also comprise:
Positioning chip, for when alarm device is triggered, host-initiated residue emitting antenna and sensor node pass a large amount of RSSI value back, and utilize RSSI value to position invader.And the location algorithm that positioning chip uses can comprise tomography algorithm, RSSI range of triangle algorithm or TRM-FMM indoor positioning algorithms etc.
5. according to claim 1 under enclosed environment based on the intrusion detection mechanism of RSSI, it is characterized in that, can also comprise in described enclosed environment:
Far infrared camera, after obtaining anchor point, controls far infrared camera and accurately takes anchor point, pass picture rich in detail back for main frame.
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071878A (en) * | 2015-08-27 | 2015-11-18 | 中国科学院信息工程研究所 | Method of using wireless receipt signal to detect mobile entity |
| CN105118208A (en) * | 2015-09-22 | 2015-12-02 | 深圳Tcl数字技术有限公司 | Display device and antitheft alarm realization method thereof |
| TWI602407B (en) * | 2016-09-13 | 2017-10-11 | 微波資訊科技有限公司 | An invading detecting system and method based on the sinr estimation |
| CN107256610A (en) * | 2017-07-28 | 2017-10-17 | 上海斐讯数据通信技术有限公司 | A kind of antitheft information notice method and device, server and burglary-resisting system |
| CN108173975A (en) * | 2018-03-12 | 2018-06-15 | 杨光亚 | A kind of intelligent security guard monitoring system and method based on RSSI signal detections |
| CN108828573A (en) * | 2018-04-23 | 2018-11-16 | 中山绿威科技有限公司 | Power line localization method, device, system and computer storage medium |
| JP2019507999A (en) * | 2016-02-04 | 2019-03-22 | エアリアル テクノロジーズ インコーポレイテッド | System and method for detecting the environment of wireless communication signals |
| CN110276923A (en) * | 2019-07-16 | 2019-09-24 | 维沃移动通信有限公司 | A kind of control method and security system of security system |
| CN110519718A (en) * | 2018-10-08 | 2019-11-29 | 杭州鸿雁智能科技有限公司 | There are detection systems for a kind of human body based on wireless signal |
| CN110533860A (en) * | 2019-09-05 | 2019-12-03 | 上海剑桥科技股份有限公司 | Indoor burglary-resisting system and method based on WIFI terminal equipment |
| CN110874580A (en) * | 2019-11-18 | 2020-03-10 | 广东博智林机器人有限公司 | In-vehicle living body detection system |
| CN111901758A (en) * | 2015-09-16 | 2020-11-06 | 伊万尼有限责任公司 | Detecting location within a network |
| CN113096339A (en) * | 2021-03-30 | 2021-07-09 | 福州大学 | Indoor intrusion detection method based on deep WiFi sensing |
| US11323845B2 (en) | 2015-09-16 | 2022-05-03 | Ivani, LLC | Reverse-beacon indoor positioning system using existing detection fields |
| US11350238B2 (en) | 2015-09-16 | 2022-05-31 | Ivani, LLC | Systems and methods for detecting the presence of a user at a computer |
| CN114679744A (en) * | 2022-03-01 | 2022-06-28 | 北京中网华通设计咨询有限公司 | Wireless signal strength detection method and device, electronic equipment and storage medium |
| US11423968B2 (en) | 2015-09-16 | 2022-08-23 | Ivani, LLC | Detecting location within a network |
| CN116798174A (en) * | 2023-08-22 | 2023-09-22 | 邹城美安系统集成有限公司 | Intelligent anti-theft device of building and system thereof |
| US11800319B2 (en) | 2015-09-16 | 2023-10-24 | Ivani, LLC | Building system control utilizing building occupancy |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071878A (en) * | 2015-08-27 | 2015-11-18 | 中国科学院信息工程研究所 | Method of using wireless receipt signal to detect mobile entity |
| US12114225B2 (en) | 2015-09-16 | 2024-10-08 | Ivani, LLC | Detecting location within a network |
| US11800319B2 (en) | 2015-09-16 | 2023-10-24 | Ivani, LLC | Building system control utilizing building occupancy |
| US11711667B2 (en) | 2015-09-16 | 2023-07-25 | Ivani, LLC | Detecting location within a network |
| US11423968B2 (en) | 2015-09-16 | 2022-08-23 | Ivani, LLC | Detecting location within a network |
| CN111901758B (en) * | 2015-09-16 | 2022-08-09 | 伊万尼有限责任公司 | Detecting location within a network |
| US11350238B2 (en) | 2015-09-16 | 2022-05-31 | Ivani, LLC | Systems and methods for detecting the presence of a user at a computer |
| US11323845B2 (en) | 2015-09-16 | 2022-05-03 | Ivani, LLC | Reverse-beacon indoor positioning system using existing detection fields |
| CN111901758A (en) * | 2015-09-16 | 2020-11-06 | 伊万尼有限责任公司 | Detecting location within a network |
| CN105118208A (en) * | 2015-09-22 | 2015-12-02 | 深圳Tcl数字技术有限公司 | Display device and antitheft alarm realization method thereof |
| JP2019507999A (en) * | 2016-02-04 | 2019-03-22 | エアリアル テクノロジーズ インコーポレイテッド | System and method for detecting the environment of wireless communication signals |
| CN107818650B (en) * | 2016-09-13 | 2020-04-07 | 微波资讯科技有限公司 | Intrusion detection system and method based on SINR ratio |
| TWI602407B (en) * | 2016-09-13 | 2017-10-11 | 微波資訊科技有限公司 | An invading detecting system and method based on the sinr estimation |
| CN107818650A (en) * | 2016-09-13 | 2018-03-20 | 微波资讯科技有限公司 | Intrusion Detection System and Method Based on SINR Ratio |
| CN107256610A (en) * | 2017-07-28 | 2017-10-17 | 上海斐讯数据通信技术有限公司 | A kind of antitheft information notice method and device, server and burglary-resisting system |
| CN108173975B (en) * | 2018-03-12 | 2020-09-08 | 杨光亚 | Intelligent security monitoring system and method based on RSSI signal detection |
| CN108173975A (en) * | 2018-03-12 | 2018-06-15 | 杨光亚 | A kind of intelligent security guard monitoring system and method based on RSSI signal detections |
| CN108828573A (en) * | 2018-04-23 | 2018-11-16 | 中山绿威科技有限公司 | Power line localization method, device, system and computer storage medium |
| CN108828573B (en) * | 2018-04-23 | 2021-09-10 | 中山绿威科技有限公司 | Power line positioning method, device, system and computer storage medium |
| CN110519718A (en) * | 2018-10-08 | 2019-11-29 | 杭州鸿雁智能科技有限公司 | There are detection systems for a kind of human body based on wireless signal |
| CN110276923A (en) * | 2019-07-16 | 2019-09-24 | 维沃移动通信有限公司 | A kind of control method and security system of security system |
| CN110533860A (en) * | 2019-09-05 | 2019-12-03 | 上海剑桥科技股份有限公司 | Indoor burglary-resisting system and method based on WIFI terminal equipment |
| CN110874580A (en) * | 2019-11-18 | 2020-03-10 | 广东博智林机器人有限公司 | In-vehicle living body detection system |
| CN113096339A (en) * | 2021-03-30 | 2021-07-09 | 福州大学 | Indoor intrusion detection method based on deep WiFi sensing |
| CN114679744A (en) * | 2022-03-01 | 2022-06-28 | 北京中网华通设计咨询有限公司 | Wireless signal strength detection method and device, electronic equipment and storage medium |
| CN116798174A (en) * | 2023-08-22 | 2023-09-22 | 邹城美安系统集成有限公司 | Intelligent anti-theft device of building and system thereof |
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