CN105898822A - Information passing method of wireless sensor network - Google Patents
Information passing method of wireless sensor network Download PDFInfo
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- CN105898822A CN105898822A CN201610355400.3A CN201610355400A CN105898822A CN 105898822 A CN105898822 A CN 105898822A CN 201610355400 A CN201610355400 A CN 201610355400A CN 105898822 A CN105898822 A CN 105898822A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/32—Connectivity information management, e.g. connectivity discovery or connectivity update for defining a routing cluster membership
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/46—Cluster building
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to an information passing method of a wireless sensor network. According to the method, a sensing area is designed into a grid structure. Each grid unit has only one cluster head node. The cluster head nodes are responsible for communicating with the cluster head nodes in adjacent grid units. Mobile sink nodes select to communicate with the cluster head nodes in the nearest grid units. Alternation of the cluster head node in each grid unit is decided according to surplus energy and distance to the center of the grid unit, and the node with the highest surplus energy is taken as the cluster head node. Two mobile sink nodes are deployed at the periphery of the sensing region. According to the method, the existing defects that energy holes are liable to appear due to rapid energy consumption and the life cycle of the wireless sensor network is reduced are overcome. According to the method, the traffic load that the sink nodes broadcast positions to the network is reduced, the energy hole phenomenon is avoided, the extra energy consumption is avoided, the transmission number of hops of the node data is reduced, and the service life of the network is prolonged.
Description
Technical field
The invention belongs to wireless sensor network technology field, be specifically related to a kind of wireless sensor network transmission letter
The method of breath.
Background technology
Wireless sensor network is typically to be made up of the most small and sensor of low cost, and sensor node leads to
The mode crossing single-hop or multi-hop sends the information collecting to aggregation node.These sensor nodes itself have
There are computing capability, storage capacity and communication capacity.The application of wireless sensor network is quite varied, such as,
Environmental monitoring, Smart Home, intelligent medical etc..But due to the particularity of applied environment, it is difficult to each nothing
Line sensor changes battery, so the life cycle of wireless sensor network can be by energy quantitative limitation.The most sharp
The energy resource limited with each sensor node also uses a kind of efficient data transmission method, consumption of energy and
Energy load reaches to balance becomes an important research topic.
Before the present invention makes, the most typical wireless sensor network includes the static sensor of dense deployment
Node and a static aggregation node.Wireless sensor node near the static poly-node of remittance is born heavier
, comparatively fast and easily there is energy hole, greatly reduces the life of wireless sensor network because of energy ezpenditure in data traffic
The life cycle.So, in traditional Routing Protocol, for reducing energy ezpenditure, by reducing the jumping of Information Communication
Number and data volume become first-selected strategy, but are still not fee from the sensor node near static aggregation node and go out
Existing energy ezpenditure phenomenon faster.The strategy of the aggregation node of movement, although so near the aggregation node of movement
Sensor node can change over time and change, balance whole wireless sensor network to a certain extent
Energy ezpenditure, but the strategy remaining in large-scale network environment single mobile sink node can carry
The problem of serious network delay.Simultaneously because aggregation node is frequent mobile, in order to ensure that node counts reliably
According to transmission, node-routing must frequently reconstruct, and routing reconfigurability will bring extra energy expense frequently,
Having had a strong impact on the service life of network, this is also that the Routing Protocol with energy efficient runs in the opposite direction.So
Reduce the frequent routing reconfigurability brought due to the movement of aggregation node, the life cycle extending sensor network is had
Important meaning.
Summary of the invention
It is an object of the invention to overcome drawbacks described above, develop a kind of side in wireless sensor network transmission information
Method.
The technical scheme is that
The method of a kind of wireless sensor network transmission information, it is mainly characterized by and is designed sensing region
Becoming network, each grid cell only one of which leader cluster node, leader cluster node is responsible for neighboring grid cells
Interior leader cluster node communication, mobile sink node can select the leader cluster node in nearest grid cell to communicate；
Leader cluster node rotation in each grid cell is that the distance according to dump energy with to grid cell centers is determined
Fixed, by choosing the highest node of dump energy as leader cluster node；The periphery of sensing region deploys two
Mobile sink node.
Described aggregation node has only to the positional information of the leader cluster node broadcast in grid oneself.
The described sensor node that will have the highest dump energy in each grid cell and close unit center position
Put as leader cluster node.
The described rotation carrying out leader cluster node only occurs in the grid cell meeting condition, is not often to take turns data
Again choosing of bunch head will be carried out after collection, by being provided with an energy threshold, if current cluster head node
Dump energy less than this energy threshold time, then the most again choose the leader cluster node in this grid cell.
Member node in described each grid cell, when respective bunch of hair send data, selects directly communication or leads to
The route crossing trunk node selection energy ezpenditure minimum send data to a bunch hair.
Described dispose two mobile sink nodes in periphery, sensing region, along sensing region peripheral clockwise or
Direction counterclockwise is moved, and directly communicates with near oneself nearest leader cluster node respectively.
Compared with prior art, its remarkable advantage is the present invention, (1) by structure virtual grid structure and
Leader cluster node is set, greatly reduces the aggregation node flow load to Web broadcast position；(2) by using
The rotation mechanism of leader cluster node, it is to avoid Energy volution phenomenon；(3) by setting energy threshold, specific net
Lattice unit carries out the rotation of bunch head, it is to avoid the additional energy consumption that in a large amount of NEs, routing reconfigurability brings；
(4) employing of mobile sink node, decreases the transmission jump number of node data, by specific routing rule
Avoid a large amount of routing reconfigurabilities brought due to the movement of aggregation node, thus the energy being greatly saved node disappears
Consumption, extends the service life of network.
Accompanying drawing explanation
One wireless sensor network schematic diagram of Fig. 1 present invention.
Fig. 2 present invention initially route schematic diagram.
In Fig. 3 present invention, aggregation node moves rear section leader cluster node routing reconfigurability schematic diagram.
Leader cluster node routing reconfigurability schematic flow sheet in Fig. 4 present invention.
Detailed description of the invention
Easy to understand, according to technical scheme, in the case of the connotation not changing the present invention,
One of ordinary skill in the art can imagine this multiple enforcement in wireless sensor network transmission information
Mode.Therefore, detailed description below and accompanying drawing are only the exemplary illustrations to technical scheme,
And be not to be construed as the whole of the present invention or be considered as the restriction to technical solution of the present invention or restriction.
The technical thought of the present invention is:
Sensing region is designed to network, each grid cell only one of which leader cluster node, leader cluster node
It is responsible for the leader cluster node communication in neighboring grid cells, in mobile sink node can select nearest grid cell
Leader cluster node communicates.Leader cluster node in each grid cell is according to dump energy with to grid cell
The distance at center determines, by choosing the highest node of dump energy as leader cluster node.Outside sensing region
Enclose and deploy two mobile sink nodes, it is therefore intended that reduce the jumping figure of node-node transmission data, the most not only alleviate
The delay problem of transmission information, and decrease the data volume that node needs to forward, thus greatly reduce joint
The energy ezpenditure of point, by specific routing rule, it is to avoid the additional energy consumption that a large amount of routing reconfigurabilities bring.
The present invention is specifically described below.
As it is shown in figure 1, wireless sensor network includes the wireless sensor node represented by each black circle, nothing
The sensing region of line sensor network is a rectangle, and the sensing region of rectangle is configured to grid as depicted
Structure, has a leader cluster node, represents with little triangle in each grid cell, the outer of sensing region is with two
The aggregation node of individual movement, represents with five-pointed star.
Structure virtual grid structure
Network ground structure is that the quantity according to sensing region inner sensor node determines, is divided sensing region
Become the cell of unified size.Such as, there is N number of sensor node in sensing region, just sensing region can be divided
Become the cell that K size is unified, wherein think that the node of only 5% can conduct in all the sensors node
Leader cluster node, when N=(100,200,300), computing formula is as follows:
Initial cluster head is chosen
Each cell starting stage, will be closest to the node at cell center as leader cluster node.In order to subtract
Choose energy expense during leader cluster node less, only allow the node near cell center participate in the choosing of leader cluster node
Take.By arranging a distance threshold arriving cell center, can join less than the node in this distance threshold
With choosing to leader cluster node, if not finding node in this distance threshold, adjust this most dynamically
Distance threshold is until finding sensor node.The energy of node can either be saved by this method, can protect again
Card leader cluster node is in the optimum position of cell.
Initial route
After the initial cluster head of each unit is selected, the leader cluster node not only node in cell notifies self
State, also wants the node at notification unit lattice edge.So some nodes will receive more than one leader cluster node and send out
The announcement information come, leader cluster node just can utilize gateway node that neighbours' leader cluster node is configured to a virtual bone
Stem structure.
Mobile sink node is with directly communicating near self nearest leader cluster node, and is notified it by this leader cluster node
The position of his leader cluster node aggregation node, all of leader cluster node adjusts self route towards aggregation node
Initial position, sets up initial route, as shown in Figure 2.
Dynamic routing adjusts
In order to solve due to aggregation node mobile produce the change of dynamic network topology structure, node needs basis
Their data transmission route of the location updating of up-to-date aggregation node by, to whole network flooding routing broadcast converge
The positional information of node, do so runs in the opposite direction with the energy saving node.
In order to avoid this problem, this invention only has part leader cluster node to need more new routing information.Use two
Mobile sink node, moves in periphery, sensing region according to direction clockwise or counter-clockwise, it is possible to reduce joint
Point flow load, alleviates Data Collection delay problem.
The mobile routing reconfigurability bringing part leader cluster node in aggregation node ground, as shown in Figure 3.Part leader cluster node
Routing reconfigurability need to follow following specific routing rule:
Rule 1: by it can be found that aggregation node regards starting cluster head node as near the leader cluster node on border.Rise
Beginning leader cluster node, according to the position of aggregation node, first verifies that its down hop has been aggregation node.As
Down hop before really aggregation node is exactly starting cluster head node, then initial aggregation node does not propagate aggregation node
Location updating message.If it is not, follow the principles 2.
Rule 2: aggregation node as oneself down hop, and is sent this information to by starting cluster head node
Initial aggregation node before and its downstream neighbor leader cluster node.
Rule 3: starting cluster head aggregation node before once receives the convergence sent by current starting cluster head node
Node location more fresh information, adjust its data transmission route by, using current starting cluster head node as oneself
Down hop.
Rule 4: downstream cluster head node once receives the location updating message of aggregation node, checks that information sends single
Unit is the most identical with down hop before.If identical, the leader cluster node in downstream is just by the position of aggregation node more
New data packets is lost, and is no longer broadcast to next downstream cluster head node.If it is not the same, downstream aggregation node is more
New it data transmission route by, using information transmitting unit as oneself down hop, and by the position of aggregation node
Updating Information Communication to next downstream aggregation node, become new transmitting element, this process is until all downstreams
Leader cluster node adjust oneself data transmission route by.
As shown in Figure 4, it is simply that the process of whole leader cluster node routing reconfigurability.
Bunch great wheel is changed
Often after wheel Data Collection, the dump energy of all leader cluster nodes will be carried out with a given energy threshold
Relatively, if the dump energy of bunch head is less than given energy threshold, then bunch head in this grid cell to weigh
The newly selected, choose dump energy the highest and also node near cell center as new leader cluster node.
The most each cell avoids the need for carrying out frequently the selection of bunch head, just can enter in only specific grid cell
Row routing reconfigurability, greatly reduce this on the one hand to the expense of energy.Meanwhile, the mechanism that bunch great wheel is changed,
The most effectively avoid the phenomenon of thermal center point, have significant effect extending Network morals.
It is preferred that described network can greatly reduce the aggregation node data to Web broadcast positional information
Amount.
It is preferred that the highest dump energy and the biography near cell center will be had in each grid cell
Sensor node is as leader cluster node.
During it is preferred that carry out the rotation of leader cluster node, it is not often will to carry out the weight of bunch head after wheel Data Collection
Newly choose, by being provided with an energy threshold, if the dump energy of current cluster head node is less than this energy
During threshold value, then the most again choose the leader cluster node in this grid cell, so the rotation of leader cluster node only occurs
In the grid cell meeting condition.
It is preferred that the member node in each grid cell is when respective bunch of hair send data, select directly communicate or
Person send data by the route that trunk node selection energy ezpenditure is minimum to a bunch hair.
It is preferred that dispose two mobile sink nodes in periphery, sensing region, it is possible to reduce node-node transmission data
Jumping figure, the most not only alleviates the delay problem of transmission information, and decreases the data volume that node needs to forward.
By specific routing rule, it is to avoid the additional energy consumption that a large amount of routing reconfigurabilities bring.
Claims (6)
1. the method for a wireless sensor network transmission information, it is characterised in that sensing region is designed to grid knot
Structure, each grid cell only one of which leader cluster node, leader cluster node is responsible for bunch head in neighboring grid cells
Node communication, mobile sink node can select the leader cluster node in nearest grid cell to communicate；Each net
Leader cluster node rotation in lattice unit is that the distance according to dump energy with to grid cell centers determines, passes through
Choose the highest node of dump energy as leader cluster node；The periphery of sensing region deploys two mobile sink joints
Point.
The method of a kind of wireless sensor network the most according to claim 1 transmission information, it is characterised in that described
Aggregation node have only to leader cluster node oneself the positional information of broadcast in grid.
The method of a kind of wireless sensor network the most according to claim 1 transmission information, it is characterised in that will be every
The sensor node of the highest dump energy is had and near unit center position as a bunch cephalomere in individual grid cell
Point.
The method of a kind of wireless sensor network the most according to claim 3 transmission information, it is characterised in that carry out
The rotation of leader cluster node only occurs in the grid cell meeting condition, be not often wheel Data Collection after will enter
Again choosing, by being provided with an energy threshold, if the dump energy of current cluster head node is little of row bunch head
When this energy threshold, then the most again choose the leader cluster node in this grid cell.
The method of a kind of wireless sensor network the most according to claim 1 transmission information, it is characterised in that each net
Member node in lattice unit, when respective bunch of hair send data, is selected directly communication or is selected by via node
The route selecting energy ezpenditure minimum send data to a bunch hair.
The method of a kind of wireless sensor network the most according to claim 1 transmission information, it is characterised in that in sense
Know that area periphery disposes two mobile sink nodes, the peripheral direction clockwise or counter-clockwise along sensing region
Mobile, directly communicate with near oneself nearest leader cluster node respectively.
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106304236A (en) * | 2016-08-25 | 2017-01-04 | 中南林业科技大学 | Data assemble method for routing and system |
| CN106487583A (en) * | 2016-09-26 | 2017-03-08 | 海信集团有限公司 | A kind of method for setting up network connection and LAN system |
| CN106899928A (en) * | 2017-04-10 | 2017-06-27 | 扬州大学 | Tree-like wireless sense network method of data capture based on mobile node |
| CN107360236A (en) * | 2017-07-18 | 2017-11-17 | 深圳森阳环保材料科技有限公司 | A kind of agricultural product accumulating intelligent monitor system based on wireless sensor network |
| CN107450343A (en) * | 2017-09-21 | 2017-12-08 | 深圳市晟达机械设计有限公司 | A kind of smart home wireless control system |
| CN107608229A (en) * | 2017-11-06 | 2018-01-19 | 钟永松 | A kind of smart home |
| CN107678292A (en) * | 2017-11-01 | 2018-02-09 | 韦彩霞 | A kind of intelligent domestic system |
| CN108882196A (en) * | 2018-07-02 | 2018-11-23 | 深圳市创艺工业技术有限公司 | Marine environmental monitoring system based on wireless sensor network |
| CN109164511A (en) * | 2018-10-17 | 2019-01-08 | 东莞绿邦智能科技有限公司 | The detection of compartmentalization weather comfort level and forecast system |
| CN109238716A (en) * | 2018-11-08 | 2019-01-18 | 深圳众宝城贸易有限公司 | A kind of mechanical bearing abnormality detection system of real-time intelligent |
| CN109239804A (en) * | 2018-10-19 | 2019-01-18 | 深圳美特优科技有限公司 | The acquisition of maritime meteorology information intelligent and real-time broadcasting system |
| CN109240391A (en) * | 2018-11-08 | 2019-01-18 | 广州源贸易有限公司 | A kind of smart home of Contrast tuned imaging temperature and humidity |
| CN109239811A (en) * | 2018-09-26 | 2019-01-18 | 东莞绿邦智能科技有限公司 | Compartmentalization weather comfort level intelligence real-time broadcasting system |
| CN109238703A (en) * | 2018-09-26 | 2019-01-18 | 东莞绿邦智能科技有限公司 | Rotary equipment bearings abnormal vibration intelligent checking system |
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| CN106304236A (en) * | 2016-08-25 | 2017-01-04 | 中南林业科技大学 | Data assemble method for routing and system |
| CN106487583A (en) * | 2016-09-26 | 2017-03-08 | 海信集团有限公司 | A kind of method for setting up network connection and LAN system |
| CN106487583B (en) * | 2016-09-26 | 2022-02-15 | 海信集团有限公司 | Method for establishing network connection and local area network system |
| CN106899928A (en) * | 2017-04-10 | 2017-06-27 | 扬州大学 | Tree-like wireless sense network method of data capture based on mobile node |
| CN106899928B (en) * | 2017-04-10 | 2020-03-17 | 扬州大学 | Tree-shaped wireless sensor network data collection method based on mobile node |
| CN107360236A (en) * | 2017-07-18 | 2017-11-17 | 深圳森阳环保材料科技有限公司 | A kind of agricultural product accumulating intelligent monitor system based on wireless sensor network |
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| CN107450343A (en) * | 2017-09-21 | 2017-12-08 | 深圳市晟达机械设计有限公司 | A kind of smart home wireless control system |
| US10993201B2 (en) | 2017-10-26 | 2021-04-27 | Benchmark Electronics, Inc. | Location aware networking for ad-hoc networks and method therefor |
| CN107678292A (en) * | 2017-11-01 | 2018-02-09 | 韦彩霞 | A kind of intelligent domestic system |
| CN107608229A (en) * | 2017-11-06 | 2018-01-19 | 钟永松 | A kind of smart home |
| CN108882196A (en) * | 2018-07-02 | 2018-11-23 | 深圳市创艺工业技术有限公司 | Marine environmental monitoring system based on wireless sensor network |
| CN109239811A (en) * | 2018-09-26 | 2019-01-18 | 东莞绿邦智能科技有限公司 | Compartmentalization weather comfort level intelligence real-time broadcasting system |
| CN109238703A (en) * | 2018-09-26 | 2019-01-18 | 东莞绿邦智能科技有限公司 | Rotary equipment bearings abnormal vibration intelligent checking system |
| CN109239811B (en) * | 2018-09-26 | 2021-07-30 | 南京溧水高新产业股权投资有限公司 | Intelligent real-time broadcasting system for regionalized weather comfort |
| CN109164511A (en) * | 2018-10-17 | 2019-01-08 | 东莞绿邦智能科技有限公司 | The detection of compartmentalization weather comfort level and forecast system |
| CN109239804A (en) * | 2018-10-19 | 2019-01-18 | 深圳美特优科技有限公司 | The acquisition of maritime meteorology information intelligent and real-time broadcasting system |
| CN109587696A (en) * | 2018-11-05 | 2019-04-05 | 浙江农林大学 | A kind of method of wireless sensor network energy consumption in the city integrated piping lane of equilibrium |
| CN109587696B (en) * | 2018-11-05 | 2021-11-30 | 浙江农林大学 | Method for balancing energy consumption of wireless sensor network in urban comprehensive pipe gallery |
| CN109240391A (en) * | 2018-11-08 | 2019-01-18 | 广州源贸易有限公司 | A kind of smart home of Contrast tuned imaging temperature and humidity |
| CN109238716B (en) * | 2018-11-08 | 2020-04-28 | 乔崴进(安徽)科技有限公司 | Real-time intelligent mechanical bearing abnormity detection system |
| CN109240391B (en) * | 2018-11-08 | 2020-09-04 | 三通(常州)电子科技有限公司 | Intelligent home capable of intelligently controlling temperature and humidity in real time |
| CN109238716A (en) * | 2018-11-08 | 2019-01-18 | 深圳众宝城贸易有限公司 | A kind of mechanical bearing abnormality detection system of real-time intelligent |
| CN109889362A (en) * | 2018-12-19 | 2019-06-14 | 苏州宏裕千智能设备科技有限公司 | Data communication and processing method, apparatus and system |
| CN109889362B (en) * | 2018-12-19 | 2020-05-29 | 湖北光影空间系统工程有限公司 | Data communication and processing method, device and system |
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Application publication date: 20160824 |