CN106454867A - Multi-gateway collaborative coverage method for use in wireless network - Google Patents
Multi-gateway collaborative coverage method for use in wireless network Download PDFInfo
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- CN106454867A CN106454867A CN201610635930.3A CN201610635930A CN106454867A CN 106454867 A CN106454867 A CN 106454867A CN 201610635930 A CN201610635930 A CN 201610635930A CN 106454867 A CN106454867 A CN 106454867A
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- gateway
- node
- wireless network
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- room
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a multi-gateway collaborative coverage method for use in a wireless network. The wireless network comprises a server, gateways and nodes, wherein the gateways are in data connections with the server; the nodes are in data connections with the gateways; the gateways do not have spatial position determining functions; and any node is in a data connection with only one gateway. The method comprises the following steps: selecting deployment rooms to set wireless access points in a building according to a wireless access point deploying rule in which adjacent rooms in vertical directions and horizontal directions of deployment rooms in which the wireless access points are positioned are taken as network coverage regions, and taking all the rooms in the building as the network coverage regions; setting monitoring region scenes and directed sensor nodes: setting the sizes of the region scenes needing to adopt directed sensor network monitoring; and initializing main perception directions and perception region side lengths of the directed sensor nodes deployed in the monitoring scenes.
Description
Technical field
Present invention relates particularly to multiple gateway works in coordination with covering method in a kind of wireless network.
Background technology
With the continuous progress of technology, Internet of Things shows good development prospect, and it may be one as the Internet
Individual subversive field, the big upsurge of an Internet of Things development also will be risen in entire society, and in technology of Internet of things, low work(
Consumption wireless sensor network is widely used scene, and its networking technology is occupied in whole Internet of Things correlation technique
Very important status；At present, the building technology of wireless sensor network is perfect not enough, is provided simultaneously with the development of many
Direction.For example, expand the coverage of single gateway by lifting the load capacity of gateway；Many wireless communication technologys
Development is also that the communication distance for communication equipment is researched and developed, and reaches farther communication distance with the power consumption realizing lower；Separately
The outer research also having many to be directed to wireless sensor network, present home and abroad is for the war of wireless sensor network protocols
Striving has been suitable fierceness；But seldom it is directed to extension gateway quantity at present to improve wireless sensor network covering
The technology of scope, works in coordination with covering using multiple gateway and can more easily build City-level wireless sensor network, break through wireless
The various bottlenecks of communication technology, the wireless sensor network of real structure City-level.
Content of the invention
Present invention aims to the deficiencies in the prior art, multiple gateway in a kind of wireless network is provided to work in coordination with covering side
Method, in this wireless network, multiple gateway is worked in coordination with covering method and can be solved the above problems well.
For reaching above-mentioned requirements, the present invention adopts the technical scheme that：There is provided multiple gateway in a kind of wireless network to work in coordination with to cover
Lid method, in this wireless network, the wireless network of the collaborative covering method of multiple gateway includes server and described server data
The gateway connecting and the node being connected with gateway data, described gateway does not have the function of determining locus, any one
Node only carries out data cube computation with a described gateway, and all described gateways carry out frequency range during data cube computation all not phases with node
With, and same common frequency band is used as the node of the bulletin channel period peripherad gateway in ground and non-access network
Send announcement message, the cycle that all described gateways send announcement message unanimously and is fixed value Tbinfo, described announcement message
Unique address including this gateway and this gateway carry out frequency range during data cube computation with node；It is located according to WAP
Deployment room adjacent room both vertically and horizontally be network's coverage area WAP dispose rule,
Select described deployment room in building and described WAP is set, and make each room in described building to be
Described network's coverage area；Setting monitored area scene and oriented sensor node：Setting needs to adopt directional sensor network
The region scene size of monitoring；The main perceived direction of oriented sensor node of deployment and sensing region in initialization monitoring scene
The length of side.
In this wireless network multiple gateway work in coordination with covering method have the advantage that as follows：
1st, the network architecture takes the thinking that honeycomb covers, and each gateway is used different frequencies as data channel, jointly covers
Cover a panel region, multiple gateways spread over greater area of region.
2nd, the present invention allows users to rapid, reasonable, inexpensive deployment wireless network, enhances wireless network simultaneously
The effective coverage range of signal and signal stabilization intensity.
3rd, in this wireless network, multiple gateway is worked in coordination with covering method and is had well adapting to property, optimization property and method letter and answer
Understandable.
Specific embodiment
Purpose, technical scheme and advantage for making the application are clearer, below in conjunction with specific embodiment, the application are made
Further describe in detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. is shown
So the embodiment of description or example can include special characteristic, structure, characteristic, property, element or limit, but not each is real
Apply example or example all necessarily includes special characteristic, structure, characteristic, property, element or limit.In addition, reuse phrase " according to
One embodiment of the application " is although it is possible to refer to identical embodiment, but is not necessarily referring to identical embodiment.
For the sake of simplicity, eliminate in below describing well known to a person skilled in the art some technical characteristics.
According to an embodiment of the application, multiple gateway in a kind of wireless network is provided to work in coordination with covering method, this wireless network
Network includes gateway and the node being connected with gateway data that server is connected with described server data, and described gateway is not
There is the function of determining locus, any one node only carries out data cube computation, all described gateways with a described gateway
All differ with the frequency range that node is carried out during data cube computation, and same common frequency band is used as bulletin channel period ground
The node of peripherad gateway and non-access network sends announcement message, and all described gateways send the cycle one of announcement message
Cause and be fixed value Tbinfo, described announcement message includes the unique address of this gateway and this gateway carries out data with node
Frequency range during connection；The adjacent room both vertically and horizontally in the deployment room being located according to WAP is network
The WAP deployment rule of overlay area, selects described deployment room between floors and arranges described WAP,
And make each room in described building be described network's coverage area；Setting monitored area scene and oriented sensor
Node：Setting needs the region scene size using directional sensor network monitoring；In initialization monitoring scene, deployment is oriented
The main perceived direction of sensor node and the sensing region length of side.
According to an embodiment of the application, in this wireless network, multiple gateway works in coordination with the server of covering method by Tbinfo
It is divided into the time slot that several times are equal, and the time slot not conflicted to any one gateway distribution in wireless network, net
Close and only in the time slot of distribution, send announcement message to cycle other gateway, the time of described time slot is sent out more than described gateway
The upper limit of the skyborne transmission time of announcement message sent.
According to an embodiment of the application, in this wireless network, multiple gateway works in coordination with the WAP deployment of covering method
Rule includes：First deployment rule, three in same floor adjacent described rooms are set to the first room groups, and in the first room
Between group second room in described WAP is set；Second deployment rule, by four in the first floor adjacent described in
Room is set to the second room groups, and arranges described WAP in the 3rd room of the second room groups.
According to an embodiment of the application, in this wireless network, multiple gateway is worked in coordination with covering method and is also comprised the steps：
Setting model landform：Model topography definition is, concave-convex surface irregular complex three-dimensional landform；
By complex three-dimensional terrain scene sliding-model control；Build the method calculating the coverage rate to scene for the orientation node；
Monitored area deployment is calculated by the sensing region length of side of oriented sensor node and the region scene size of network monitor
Oriented sensor node number.
According to an embodiment of the application, in this wireless network, multiple gateway is worked in coordination with covering method and is also comprised the steps：
Setting node motion step-length it is considered in scene deployment each sensor node, with simulated annealing thought to sensor
The deployment coordinate of node is optimized.
According to an embodiment of the application, in this wireless network, multiple gateway is worked in coordination with covering method and is also comprised the steps：
The setting deviation angle is incremented by variable it is considered to each sensor node of deployment is adjacent the relation of node in scene.
According to an embodiment of the application, in this wireless network multiple gateway work in coordination with covering method described in gateway pass through 4G,
WiFi or Ethernet carry out data cube computation with described server.
According to an embodiment of the application, in this wireless network, the gateway of the collaborative covering method of multiple gateway periodically leads to
Cross Network Time Protocol with the described server sync time.
According to an embodiment of the application, in this wireless network, the node of the collaborative covering method of multiple gateway is receiving bulletin
The signal intensity of announcement message is obtained during message, and according to the signal intensity best gateway of selection signal intensity first as certainly
Oneself access gateway carries out data cube computation, if the gateway accessing failure best with signal intensity, selects next best gateway to carry out
Data cube computation.
Embodiment described above only represents the several embodiments of the present invention, and its description is more concrete and detailed, but not
It is understood that as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, without departing from
On the premise of present inventive concept, some deformation can also be made and improve, these broadly fall into the scope of the present invention.Therefore this
Bright protection domain should be with described claim.
Claims (9)
1. in a kind of wireless network multiple gateway work in coordination with covering method it is characterised in that：This wireless network includes server and institute
State the gateway of server data connection and the node being connected with gateway data, described gateway does not have the work(determining locus
Can, any one node only carries out data cube computation with a described gateway, when all described gateways carry out data cube computation with node
Frequency range all differ, and be used same common frequency band as the bulletin channel period peripherad gateway in ground and not connect
The node entering network sends announcement message, and the cycle that all described gateways send announcement message unanimously and is fixed value Tbinfo,
Described announcement message includes the unique address of this gateway and this gateway carries out frequency range during data cube computation with node；According to no
The adjacent room both vertically and horizontally in the deployment room that line access point is located is the wireless access of network's coverage area
Point deployment rule, selects described deployment room between floors and arranges described WAP, and make in described building
Each room be described network's coverage area；Setting monitored area scene and oriented sensor node：Setting needs to adopt
The region scene size of directional sensor network monitoring；The main perception of the oriented sensor node of deployment in initialization monitoring scene
Direction and the sensing region length of side.
2. in wireless network according to claim 1 multiple gateway work in coordination with covering method it is characterised in that：Described server will
Tbinfo is divided into several times equal time slot, and to any one gateway distribution in wireless network do not conflict when
Between groove, gateway only sends announcement message to cycle other gateway in the time slot of distribution, and the time of described time slot is more than institute
State the upper limit of the skyborne transmission time of announcement message of gateway transmission.
3. in wireless network according to claim 1 multiple gateway work in coordination with covering method it is characterised in that：WAP portion
Administration's rule includes：First deployment rule, three in same floor adjacent described rooms are set to the first room groups, and in institute first
In second room of room groups, described WAP is set；Second deployment rule, by four in the first floor adjacent institutes
State room and be set to the second room groups, and described WAP is set in the 3rd room of the second room groups.
4. in wireless network according to claim 1 multiple gateway work in coordination with covering method it is characterised in that：Also include walking as follows
Suddenly：
Setting model landform：Model topography definition is, concave-convex surface irregular complex three-dimensional landform；
By complex three-dimensional terrain scene sliding-model control；Build the method calculating the coverage rate to scene for the orientation node；
Monitored area deployment is calculated by the sensing region length of side of oriented sensor node and the region scene size of network monitor
Oriented sensor node number.
5. in wireless network according to claim 1 multiple gateway work in coordination with covering method it is characterised in that：Also include walking as follows
Suddenly：
Setting node motion step-length it is considered in scene deployment each sensor node, with simulated annealing thought to sensor
The deployment coordinate of node is optimized.
6. in wireless network according to claim 1 multiple gateway work in coordination with covering method it is characterised in that：Also include walking as follows
Suddenly：
The setting deviation angle is incremented by variable it is considered to each sensor node of deployment is adjacent the relation of node in scene.
7. in wireless network according to claim 1 multiple gateway work in coordination with covering method it is characterised in that：Described gateway passes through
4G, WiFi or Ethernet carry out data cube computation with described server.
8. in wireless network according to claim 1 multiple gateway work in coordination with covering method it is characterised in that：Described gateway week
Phase property ground is by Network Time Protocol with the described server sync time.
9. in wireless network according to claim 1 multiple gateway work in coordination with covering method it is characterised in that：Described node exists
Receive the signal intensity obtaining announcement message during announcement message, and according to the signal intensity best net of selection signal intensity first
Close and carry out data cube computation as the access gateway of oneself, if the gateway accessing failure best with signal intensity, select next best
Gateway carries out data cube computation.
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| CN201610635930.3A CN106454867A (en) | 2016-08-05 | 2016-08-05 | Multi-gateway collaborative coverage method for use in wireless network |
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| CN107547521A (en) * | 2017-08-02 | 2018-01-05 | 新华三技术有限公司 | A kind of message transmitting method and device |
| CN110972207A (en) * | 2019-11-19 | 2020-04-07 | 武汉正维电子技术有限公司 | Low-power-consumption wireless photographing access and transmission method |
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| CN103428710A (en) * | 2013-09-02 | 2013-12-04 | 汉庭科技(苏州)有限公司 | Wireless network covering method and wireless network |
| CN105208569A (en) * | 2015-08-19 | 2015-12-30 | 南京邮电大学 | Directional sensor network coverage method in complex three-dimensional scene environment |
| CN105592469A (en) * | 2016-02-25 | 2016-05-18 | 武汉慧联无限科技有限公司 | Wireless network multi-gateway collaborative coverage method |
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| CN103260170A (en) * | 2013-05-20 | 2013-08-21 | 华北科技学院 | Method for node placement of Internet of Things |
| CN103428710A (en) * | 2013-09-02 | 2013-12-04 | 汉庭科技(苏州)有限公司 | Wireless network covering method and wireless network |
| CN105208569A (en) * | 2015-08-19 | 2015-12-30 | 南京邮电大学 | Directional sensor network coverage method in complex three-dimensional scene environment |
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| CN110972207B (en) * | 2019-11-19 | 2023-10-24 | 武汉正维电子技术有限公司 | Low-power consumption wireless photographing access and transmission method |
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Application publication date: 20170222 |