CN104507161B - A kind of indoor corridor localization method based on zigbee network - Google Patents

A kind of indoor corridor localization method based on zigbee network Download PDF

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Publication number
CN104507161B
CN104507161B CN201410815786.2A CN201410815786A CN104507161B CN 104507161 B CN104507161 B CN 104507161B CN 201410815786 A CN201410815786 A CN 201410815786A CN 104507161 B CN104507161 B CN 104507161B
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corridor
mobile terminal
zigbee
floor
rssi
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CN104507161A (en
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高建彬
樊添
张可
夏琦
尹立雪
夏虎
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University of Electronic Science and Technology of China
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University of Electronic Science and Technology of China
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0284Relative positioning
    • G01S5/0289Relative positioning of multiple transceivers, e.g. in ad hoc networks

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

The present invention provides a kind of indoor corridor localization method based on zigbee network, belongs to wireless communication technology field.The present invention realizes accurate positionin of the mobile terminal to be positioned in building using the features such as zigbee systems arrangement is simple, positioning loss is low.Method provided by the invention is on the basis of floor is navigated to, and by the distance between mobile terminal and two routing nodes, is accurate to the position of mobile terminal;Zigbee network layout is simple, practical used in the present invention.

Description

A kind of indoor corridor localization method based on zigbee network
Technical field
The invention belongs to wireless communication technology fields, and in particular to it is a kind of by zigbee systems to the user in building The method being accurately positioned.
Background technology
In the modern life, the activity such as people's work, amusement is more and more concentrated in high buildings and large mansions.Floor structure is answered It is miscellaneous, the number of plies is higher and higher, when in user's high-rise indoor environments complicated for these, if oneself institute cannot be quickly found Direction board in position, it would be desirable to determine the floor and place specific location of oneself by positioning application.
The general pooled applications of indoor positioning of building are in business, safety measure.In market, different floor kinds of goods it is old Row research, when user is in different floors, analyzes its behavioural habits, so that it is determined that user preferences, and utilize shifting Dynamic terminal push promotional advertisement, greatly improves consumer's shopping experience;Or in high-rise building, it is urgent that fire etc. occurs During event, three-dimensional is carried out to escape personnel by hand held mobile terminals and is accurately positioned, improves escape chance.Although in high building Specific scene and field active demand are located in, is the direction that researcher less focuses on.
Traditional outdoor positioning mode, such as GPS positioning, indoors since signal shielding problem is difficult to play a role, room In interior positioning method using it is more be wifi hotspot location technologies, using wifi network be distributed in each position of high building into Row positioning, but there are some problems for the positioning of this mode:It is wifi hotspot higher price first, it is difficult to large scale deployment; Wifi adapters power consumption followed by wifi hotspot and positioning terminal is handed over big, it is difficult to be provided for a long time under the conditions of battery powered Positioning service.And carry out indoor positioning using Zigbee-technology, have low-power consumption, reliable communications, self-organization of network ability it is strong, when Prolong the advantages of short, working frequency range is flexible, network capacity is big.
The content of the invention
It is an object of the invention to provide a kind of indoor corridor localization methods, realize that the floor gap of user indoors is walked about When, it is pushed immediately to user using mobile terminal is in the accurate location of a certain corridor in a certain floor in building;This hair The localization method of bright offer is implemented simply, cheap, and layout is convenient.
The present invention specifically adopts the following technical scheme that:
A kind of indoor corridor localization method based on zigbee network, flow is as shown in Figure 1, specifically include following step Suddenly:
Step 1.zigbee route terminals are laid out:For the construction situation of existing building, the floor layout of building is done as Under hypothesis without loss of generality:(1) corridor in building per floor is laid out consistent with wall;(2) any one corridor is Linear pattern;
Based on it is above-mentioned it is assumed that on each corridor fixed and arranged 2 or more zigbee route terminals, it is and every in building The zigbee route terminals layout all same of one floor;For example residing floor of the coordinate information of each zigbee route terminal and tool Body corridor is given data;
Step 2.RSSI data collections:After zigbee network in mobile terminal access building to be positioned, mobile terminal Collect the RSSI strength informations that the zigbee route terminals near it are sent and the RSSI for sending all zigbee route terminals Summarize;
Step 3. floor location:Due to the RSSI signal strengths that zigbee route terminals are sent by wall or other Obvious loss is had after barrier, it is known that the zigbee route terminals corresponding to the maximum in the RSSI that mobile terminal is summarized It is centainly in mobile terminal in the same corridor of same floor, by transferring the coordinate information of the zigbee route terminals, i.e., It can be seen that floor and specific corridor residing for the mobile terminal;
Step 4. corridor radial positioning:After the specific floor and the residing corridor that determine mobile terminal, extraction is located at the corridor On the RSSI of mobile terminal to be positioned that is collected of any two zigbee route terminals;Due to mobile terminal and residing building Zigbee route terminals on road are unobstructed direct communication, thus can be acquired by RSSI mobile terminal with it is described two The distance between zigbee route terminals;
It is whole as the center of circle, corresponding route terminal and movement to be positioned using described two zigbee route terminals positions respectively The distance at end obtains two intersecting or tangent balls for radius;If two balls are tangent, point of contact is projected to the corridor floor of place Position is specific location of the mobile terminal in corridor;If two balls intersect, intersection is circular for one, the circle institute Vertical with flooring in plane, the position on the circular projection to the corridor floor is that the mobile terminal is specific on corridor Radial position.
Further, the mobile terminal may be disposed at that the shopping cart of market offer, hand-held pushing equipment etc. are removable to be set In standby, instant coordinate information is provided for user, staff etc..
The beneficial effects of the invention are as follows:
Zigbee systems arrange convenient and simple, alignment system small power consumption, and this localization method is suitable in various structures Complicated high buildings and large mansions carry out indoor positioning, are influenced be subject to inside buildings construction smaller, and positional accuracy is relatively high;Value It obtains one and is mentioned that localization method provided by the invention directly takes into account floor location, while it is accurate to solve indoor plane Two problems are accurately positioned in positioning and indoor floor.
Description of the drawings
Fig. 1 is indoor corridor localization method flow chart provided by the invention.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment
The present embodiment sets building as high-rise store, and the corridor in store per floor is consistent and arbitrary with wall layout One corridor is linear pattern, and positioning mobile terminal is both provided on the shopping cart provided for client and phonetic image prompting is set It is standby.
It is provided in this embodiment to be based on zigbee network indoor corridor localization method, specifically include following steps:
Step 1.zigbee route terminals are laid out:The zigbee routings of fixed and arranged 2 or more are whole on each corridor End ensures can at least realize with 2 zigbee route terminals on any position of each corridor unobstructed directly logical Believe, the spacing of adjacent route terminal is no more than 70 meters on same corridor;And in store each floor zigbee route terminal cloth Office's all same, the coordinate information of each zigbee route terminal are given data and are stored in route terminal;
Step 2. data collection:After zigbee network in mobile terminal access store to be positioned, zigbee routings are eventually The signal strength that received mobile terminal is sent is converted into corresponding numerical value by end by own hardware sensor, and is combined The coordinate and network address of itself are packaged together beams back mobile terminal;Mobile terminal collects the zigbee route terminals hair near it RSSI strength informations gone out the and RSSI for sending all zigbee route terminals summarizes;
Step 3. floor location:Due to the RSSI signal strengths that zigbee route terminals are sent by wall or other Obvious loss is had after barrier, it is known that the zigbee route terminals corresponding to the maximum in the RSSI that mobile terminal is summarized It is centainly in the mobile terminal in the same corridor of same floor, then the mobile terminal is by transferring RSSI value maximum The coordinate informations of zigbee route terminals is it can be learnt that floor and specific corridor residing for the mobile terminal;
Step 4. corridor radial positioning:After the specific floor and the residing corridor that determine mobile terminal, mobile terminal extraction The RSSI for the mobile terminal to be positioned that any two zigbee route terminals on the corridor are collected;Due to mobile whole End with the zigbee route terminals on residing corridor for unobstructed direct communication, therefore can be acquired by following formula mobile terminal with it is described The distance between two zigbee route terminals d:
Wherein, A be this route terminal to reference mode be 1 meter apart from when received signal strength, n be signal path loss The factor, that is, spread index;
It is whole as the center of circle, corresponding route terminal and movement to be positioned using described two zigbee route terminals positions respectively The distance at end obtains two intersecting or tangent balls for radius;
If two balls are tangent, it is the mobile terminal in corridor that point of contact, which is projected to the position on the corridor floor of place, Specific location;If two balls intersect, intersection is circular for one, and the circular place plane is vertical with flooring, and the circular projection is extremely Position on the corridor floor of place is the specific location of the mobile terminal in the corridor radially.
The accurate positionin of floor and corridor plane of the mobile terminal in building is finally realized as a result, and will be determined immediately Position information prompts equipment to push to client or staff by phonetic image.

Claims (2)

1. a kind of indoor corridor localization method based on zigbee network, specifically includes following steps:
Step 1.zigbee route terminals are laid out:The zigbee route terminals of fixed and arranged 2 or more on each corridor, and The zigbee route terminals layout all same of each floor in building;The coordinate information of each zigbee route terminal is Primary data;
Step 2.RSSI data collections:After zigbee network in mobile terminal access building to be positioned, mobile terminal is collected RSSI strength informations that zigbee route terminals near it the are sent and RSSI for sending all zigbee route terminals summarizes;
Step 3. floor location:Zigbee route terminals one corresponding to maximum in the RSSI summarized by mobile terminal Fixed and mobile terminal is in the same corridor of same floor, can be obtained by the coordinate information for transferring the zigbee route terminals Know the floor residing for the mobile terminal and specific corridor;
Step 4. corridor radial positioning:After the specific floor and the residing corridor that determine mobile terminal, extraction is located on the corridor The RSSI for the mobile terminal to be positioned that any two zigbee route terminals are collected;Due on mobile terminal and residing corridor Zigbee route terminals for unobstructed direct communication, mobile terminal can be acquired by RSSI and is route with described two zigbee The distance between terminal;Respectively using described two zigbee route terminals positions as the center of circle, corresponding route terminal with it is undetermined The distance of position mobile terminal obtains two intersecting or tangent balls for radius;If two balls are tangent, point of contact is projected to place corridor Position on floor is specific location of the mobile terminal in corridor;If two balls intersect, intersection is circular for one, institute Plane where stating circle is vertical with flooring, and the position on the circular projection to the corridor floor is the mobile terminal in corridor On specific radial position.
2. the indoor corridor localization method according to claim 1 based on zigbee network, which is characterized in that in step 4 The mobile terminal is specifically determined with the distance between zigbee route terminals d by following formula:
<msup> <mrow> <mi>d</mi> <mo>=</mo> <mn>10</mn> </mrow> <mrow> <mo>-</mo> <mfrac> <mrow> <mi>RSSI</mi> <mo>+</mo> <mi>A</mi> </mrow> <mrow> <mn>10</mn> <mi>n</mi> </mrow> </mfrac> </mrow> </msup>
Wherein, A be this route terminal to reference mode be 1 meter apart from when received signal strength, n be signal path fissipation factor That is spread index.
CN201410815786.2A 2014-12-24 2014-12-24 A kind of indoor corridor localization method based on zigbee network Active CN104507161B (en)

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TWI623919B (en) * 2015-04-30 2018-05-11 許耿禎 Building rescue information system
CN105223549B (en) * 2015-08-22 2018-12-11 东北电力大学 A kind of full mobile node positioning method of wireless sensor network based on RSSI
CN106776867A (en) * 2016-11-26 2017-05-31 北京小米移动软件有限公司 Information-pushing method and device
CN107124698A (en) * 2017-04-28 2017-09-01 深圳市亿兆互联技术有限公司 A kind of vertical space positioner based on LoRa technologies, method and system
CN107277779B (en) * 2017-05-03 2020-04-21 广东全安智能工程有限公司 Positioning method and system based on ZigBee network
CN108830343B (en) * 2018-05-25 2021-08-17 北京星网锐捷网络技术有限公司 Method for determining position of article and mobile terminal
CN109782229A (en) * 2018-12-20 2019-05-21 广东云立方互动科技有限公司 A kind of indoor orientation method based on ultrasound and system
CN112312308B (en) * 2020-10-29 2023-12-22 广东小天才科技有限公司 Indoor positioning method and terminal equipment
CN112985499A (en) * 2021-02-07 2021-06-18 河北览惠科技有限公司 Multi-parameter engineering structure health recognition system
CN113038494B (en) * 2021-03-09 2022-05-24 中国铁塔股份有限公司 Wireless communication indoor distribution system deployment method and device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA70948U (en) * 2011-12-30 2012-06-25 Харьковский Национальный Университет Радиоэлектроники METHOD FOR NODE POSITIONING IN ZigBee NETWORKS
CN103002463A (en) * 2012-11-29 2013-03-27 北京工业大学 Method for zigbee indoor location networking design and corresponding simplification
CN103916821A (en) * 2014-04-11 2014-07-09 北京工业大学 Floor distinguishing method based on RSSI difference between floors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA70948U (en) * 2011-12-30 2012-06-25 Харьковский Национальный Университет Радиоэлектроники METHOD FOR NODE POSITIONING IN ZigBee NETWORKS
CN103002463A (en) * 2012-11-29 2013-03-27 北京工业大学 Method for zigbee indoor location networking design and corresponding simplification
CN103916821A (en) * 2014-04-11 2014-07-09 北京工业大学 Floor distinguishing method based on RSSI difference between floors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZigBee技术中基于RSSI测距的定位算法研究;徐世武等;《单片机与嵌入式系统》;20120428;第12卷(第1期);第1-3页 *

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