CN108064063A - It is a kind of based on energy distance than routing of sensor networks implementation method - Google Patents
It is a kind of based on energy distance than routing of sensor networks implementation method Download PDFInfo
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- CN108064063A CN108064063A CN201711427177.XA CN201711427177A CN108064063A CN 108064063 A CN108064063 A CN 108064063A CN 201711427177 A CN201711427177 A CN 201711427177A CN 108064063 A CN108064063 A CN 108064063A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
- H04W40/10—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on available power or energy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
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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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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides it is a kind of based on energy distance than routing of sensor networks implementation method, including：After Sensor Network dispenses, each node obtains the position coordinates of itself, and aggregation node broadcasts the position coordinates of itself to sensor node, and sensor node obtains the distance R of itself and aggregation node, and sensor node obtains self rest energy E；Sensor node calculates E/R according to self rest energy and the distance between aggregation node2；During Sensor Network network routing, node route list is created for storing E/R2, node location coordinate and R；During node relay forwarding, energy distance is selected from routing table than maximum next relay node.
Description
Technical field
The present invention relates to a kind of communication technology, it is particularly a kind of based on energy distance than routing of sensor networks implementation method.
Background technology
Wireless sense network is usually made of sensor node, aggregation node, host computer.Sensor node is except having acquisition
Outside the function of data, also there is independent transmitting-receiving, data processing and routing, they can be communicated each other, away from
It is forwarded from node farther out by intermediate node.Data are passed by multihop routing apart from the sensor node of aggregation node farther out
Defeated to arrive aggregation node, aggregation node is forwarded to host computer and is handled and shown again.Consumed energy is most in sensor node
For transceiving radio frequency circuit, the distance of transmission is more remote, and the energy of consumption is more.And wireless sensor node is applied unattended more
Environment in, sensor node generally use battery powered, battery life decides the service life of sensor node.Sensor node
In routing, the task of transmitting-receiving is carry, it is necessary to consume very big energy, the selection of routing algorithm is directly related to entire sensing
The life cycle of net.
Existing routing of sensor networks algorithm usually only considered the dump energy of sensor node or only considered transmission
The algorithm that distance or the two combine is relative complex, and complicated computing needs to consume more energy.And the residual energy of node
Amount and the life cycle of transmission range simul relation to Sensor Network.
The content of the invention
The present invention provide it is a kind of based on energy distance than routing of sensor networks implementation method, comprise the following steps：
After Sensor Network dispenses, each node obtains the position coordinates of itself, and aggregation node broadcasts the position coordinates of itself to biography
Sensor node, sensor node obtain the distance R of itself and aggregation node, and sensor node obtains self rest energy E；
Sensor node calculates E/R according to self rest energy and the distance between aggregation node2；
During Sensor Network network routing, node route list is created for storing E/R2, node location coordinate and R；
During node relay forwarding, energy distance is selected from routing table than maximum next relay node.
Compared with prior art, the present invention it has the following advantages：(1) using the ratio of simple dump energy and transmission range
Value realizes routing of sensor networks；(2) transmission power is selected using transmission range and transmission power relation, reduces transmission power consumption.
The present invention is described further with reference to Figure of description.
Description of the drawings
Fig. 1 is the schematic diagram after Sensor Network dispenses.
Fig. 2 be based on dump energy distance than routing flow chart.
Specific embodiment
Wireless sense network is usually made of sensor node, aggregation node, host computer.Communication between sensing net node is led to
Wireless mode realization is crossed, the power of signal and square being inversely proportional for communication distance are emitted in wireless communication.Communication distance is longer, disappears
The energy of consumption is more.The data of wireless sense network interior joint most at last by transistroute node-node transmission to aggregation node, away from
Routing node number from the more remote process of aggregation node is more, and routing node is made of common sensor node, and routing algorithm is straight
Connect the life cycle for being related to node.The energy of the transmitting consumption of sensor node occupies the overwhelming majority of system consumption energy.
Routing algorithm wants the dump energy of the considerations of abundant node and the distance of node communication distance when selecting, and the energy for reducing node disappears
Consumption.When residue energy of node is less than certain numerical value, this node can only be used as acquisition node, it is impossible to as relay node, carry
The life span of high sensor node, in addition, maintain transmitting range and the correspondence of transmission power in each node, according to
Distance selects corresponding transmission power, greatly reduces the energy loss of system.Sensor dispenses rear schematic diagram such as attached drawing part
Shown in Fig. 1.E and R represents the dump energy and transmission range of sensor node in Fig. 1.
In order to save the energy consumption of routing of sensor networks node transmitting, it is necessary to Optimal Routing Algorithm.Routing algorithm of the present invention was both examined
Consider the dump energy of sensor node, while considered communication distance, and realized that algorithm is relatively easy, it is easy to accomplish.For
Convenient for description, using three nodes and an aggregation node description, with reference to Fig. 2, specific method is as follows：
Step 1, Sensor Network dispenses posterior nodal point and the positioning of itself, while Sensor Network aggregation node is realized by self-positioning algorithm
Broadcast the position coordinates of itself；
Step 2, several nodes are chosen out of node signal transmission range；
Step 3, after sensor node receives aggregation node position coordinates, the distance with aggregation node, such as Fig. 1 are calculated
Shown R1, R2, R3, and dump energy E1, E2, E3 of acquisition node itself, (user when dump energy is less than certain numerical value
Determined according to actual), which is not involved in forwarding automatically into dormancy；
Step 4, sensing net node calculates the ratio of self rest energy and aggregation node square distance：E1/R12、E2/
R22、E3/R32；
Step 5, during Sensor Network network routing, the address information of node broadcasts itself, the ratio of energy and distance and from
The location information of body；
Step 6, distance of the energy distance of relay node than, node address and with node is stored in node route list；
Step 7, during node relay forwarding, energy distance is selected from routing table than maximum next relay node, and
According to the formula P=C/R of transmission power P and distance R2(C is constant) selects suitable transmission power, reduces the consumption of energy.
Sensing net node dump energy is more, shows that this node survival ability is strong, and transmitting transmission range is more remote, shows to be lost
Transmission power it is more.Energy distance is selected to take into full account residue energy of node with communicating than maximum node in the present invention
The energy of distance consumption, ratio maximum will be used as routing node, dump energy and transmission range done a compromise, simultaneously
Communication distance transmission power and the relation of communication distance are considered, is further reduced transmission power, improves the existence of individual node
Ability, and then can effectively improve the life cycle of entire Sensor Network.
Claims (4)
1. it is a kind of based on energy distance than routing of sensor networks implementation method, which is characterized in that comprise the following steps：
After Sensor Network dispenses, each node obtains the position coordinates of itself, and aggregation node broadcasts the position coordinates of itself to sensor
Node, sensor node obtain the distance R of itself and aggregation node, and sensor node obtains self rest energy E；
Sensor node calculates E/R according to self rest energy and the distance between aggregation node2；
During Sensor Network network routing, node route list is created for storing E/R2, node location coordinate and R；
During node relay forwarding, energy distance is selected from routing table than maximum next relay node.
2. according to the method described in claim 1, it is characterized in that, node obtains the position seat of itself according to self-positioning algorithm
Mark.
3. according to the method described in claim 1, it is characterized in that, when dump energy is less than certain numerical value, which enters
Dormancy is not involved in forwarding.
4. according to the method described in claim 1, it is characterized in that, during node relay forwarding, transmission power P=C/R2, wherein C
For constant.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109104505A (en) * | 2018-10-25 | 2018-12-28 | 广州源贸易有限公司 | Agricultural land soil environment wisdom monitors system |
| CN109211569A (en) * | 2018-10-25 | 2019-01-15 | 广州益牛科技有限公司 | Machine bearing vibrates intelligent monitor system |
| CN109470307A (en) * | 2018-11-08 | 2019-03-15 | 广州源贸易有限公司 | A kind of power transmission line monitoring system of real-time intelligent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109104505A (en) * | 2018-10-25 | 2018-12-28 | 广州源贸易有限公司 | Agricultural land soil environment wisdom monitors system |
| CN109211569A (en) * | 2018-10-25 | 2019-01-15 | 广州益牛科技有限公司 | Machine bearing vibrates intelligent monitor system |
| CN109470307A (en) * | 2018-11-08 | 2019-03-15 | 广州源贸易有限公司 | A kind of power transmission line monitoring system of real-time intelligent |
| CN109470307B (en) * | 2018-11-08 | 2020-12-18 | 深圳市深鹏达电网科技有限公司 | Real-time intelligent power transmission line monitoring system |
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