CN107087287A - Based on the orthogonal WSN node energies monitoring method and system traced to the source - Google Patents
Based on the orthogonal WSN node energies monitoring method and system traced to the source Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
Abstract
The invention discloses based on the orthogonal WSN node energies monitoring method and system traced to the source, including:Data are traced to the source stage and node energy consumption monitoring stage;The data are traced to the source the stage:The orthogonal mark of sensors configured node, it is determined that the bearer protocol for information of tracing to the source, the mark for realizing information of being traced to the source in transmission of data packets is multiplexed with being superimposed for data of tracing to the source by the orthogonal mark of routing node, base station is received after packet, normalization inner product is carried out respectively with the orthogonal mark of each sensor node in region within the jurisdiction by the data of tracing to the source for carrying packet to calculate, and obtains participating in the sensor node set of current data packet transmission;The node energy consumption monitors the stage:The sensor node set of participation current data packet forwarding obtained by module of being traced to the source according to data, updates the residual energy value of each sensor node in set, and the node triggering low energy prompting to dump energy less than critical value respectively.
Description
Technical field
The present invention relates to wireless sensor network node energy monitoring method, more particularly to based on the orthogonal wireless biography traced to the source
Sensor network node energy monitoring method and system.
Background technology
Wireless sensor network (Wireless Sensor Networks, WSN) is by being deployed in monitored area, having
The ad hoc communication system that data acquisition, communication, the sensor node of storage and disposal ability are constituted, wherein, each sensing
Device is a node of network, and base station is transferred in multi-hop mode for environment sensing, and by the data of perception.Due to wireless biography
Sensor node finite energy, thus power consumption issues are the key problems of wireless sensor network technology.
Sensor node is generally by sensing module, processor module, memory module, communication module, power module and insertion
Formula software etc. is constituted, and the module of wherein consumed energy is mainly sensing module, processor module and communication module.According to Estrin
D.Tutorial“Wireless Sensor Networks”Part IV:Sensor Network
Protocols.MobiCom.The Eight Annual International Conference on Mobile
Computing and Networking Atlanta.Georgia,USA:ACM.2002:140-147. in the sensor that provides
Communication module consumes most of energy in node energy consumption model, each module of sensor node, and sensing module and processing
The energy of device module consumption is seldom;In communication module, the power consumption of state (TX) lower node is sent at most, reception state (RX) and free time
The power consumption of state (IDLE) quite and slightly below transmission state, the power consumption of sleep state (SLEEP) lower node is then well below connecing
Receipts state (RX) and idle condition (IDLE).With the progress of WSN technology, wireless sensor network can be rapidly completed node work
Make the conversion of state, node is rapidly introduced into sleep state after working condition (sending and receiving) terminates, farthest
The energy expenditure under idle condition is reduced, the inoperative of node is consumed energy and reaches minimum.Therefore, existing wireless sensor network
The research of energy model focuses primarily upon the energy expenditure for sending and receiving state lower node.
In wireless sensor network, data reach base station in multi-hop mode.In a data transmission procedure, except source hair
Send outside node, all forward node complete a data receiver and a data are sent, and what this kind of data forwarding was consumed
Energy accounts for the major part of node power consumption.Therefore, the frequency of node participation data forwarding can be used as its Energy Expenditure Levels of assessment
Main Basiss, data send and the higher node of the forwarding frequency, and energy expenditure is bigger.
It is from source sending node finally to reach base through multiple forward node to packet that wireless sensor network data, which is traced to the source,
The record for the transmitting procedure stood, review and show.To provide the tractability of packet, in transmission of data packets, note is needed
The relevant information of midway forward node is recorded, so as in transmitting procedure of the base station according to these information tracing packets, these information
It is referred to as information of tracing to the source.Due to according to trace to the source information can transmitting procedure of the trace back data bag in sensor network, thus data trace back
Source, which is provided, counts the important channel that each sensor node forwards the data frequency.The present invention comes exactly according to this statistical result
Assess the node energy consumption of wireless sensor network.
At present, there is the problem of tracing to the source information content no maximum in WSN data tracing technology, i.e.,:Information content of tracing to the source, which is proportional to, to be turned
Send out the quantity of node.Because the computing capability and storage capacity of sensor node are limited, the information content that how to control to trace to the source becomes
For the key issue of WSN data tracing technologies.To solve this problem, inventor is in the wireless senser based on pseudo-random sequence
Network data source tracing method Chinese invention patents, application number:201510646810.9 middle proposition is based on the wireless of pseudo-random sequence
Sensor network data source tracing method.This method is the unique and orthogonal each other mark sequence of each node distribution one, is utilized
The orthogonal property of vector realizes the superposition multiplexing of sensor node mark sequence, i.e.,:Each sensor node forwarding data before,
The mark sequence of oneself is overlapped with the information of tracing to the source in packet, and base station is then using the orthogonality for identifying sequence, from
The identification information for each sensor node for participating in packet forwarding is isolated in the supercomposed coding of packet.The method can be controlled effectively
System is traced to the source data volume, and new way is opened for the application technical research traced to the source based on WSN data.
The content of the invention
It is of the present invention based on the orthogonal WSN node energies monitoring method and system traced to the source, refer to that base station is used based on just
Hand over the WSN data source tracing method of mark to review received data bag, restore and participate in all of packet transmission
Forward node;The frequency of data is forwarded to count each sensor node in the region within the jurisdiction of base station in this manner, according to
The energy consumption condition of each node is assessed and monitored to statistical result.
To achieve these goals, the present invention is adopted the following technical scheme that:
Based on the orthogonal WSN node energy monitoring methods traced to the source, including:Data are traced to the source and monitor two ranks with node energy consumption
Section;
The data are traced to the source the stage:The packet that base station is received is reviewed, restores and participates in packet transmission
All forward node, the data trace to the source the stage comprising three partial contents:(1.1):Orthogonal configuration of tracing to the source:To wireless sensor network
The orthogonal mark of all the sensors node distribution in network, and determine the bearer protocol of information of tracing to the source;(1.2):Trace to the source information flag:
Each sensor node is overlapped multiplexing to the data field contents of tracing to the source in packet;(1.3) forward node is extracted:Base station leads to
Cross to trace to the source data field contents and in region within the jurisdiction each sensor node orthogonal mark carry out normalization inner product calculate, obtain
To the sensor node set for participating in current data packet transmission;
The node energy consumption monitors the stage:Node energy consumption is set to record all the sensors node in the region within the jurisdiction of base station
Table, the current energy value for recording each node;When receiving packet, according to the data trace to the source the stage (1.3) joined
The sensor node set transmitted with the packet, subtracts a single-hop by the current energy value of each sensor node in set and turns
Power consumption values are sent out, and residual energy value is stored in the energy consumption record sheet of the node;Pass through residual energy of the energy consumption record sheet to each node
Amount is monitored.
(1.1):Orthogonal configuration of tracing to the source, including following two sub-steps:
Step (1.1.1):The orthogonal mark of distribution;
Any one sensor node Node in wireless sensor networkrIt is assigned with one uniquely and is sensed with other
Device node orthogonal mark V orthogonal each otherr=(vr,1,vr,2,…,vr,n), vr,k=1 or -1, k=1,2 ..., n, n represents orthogonal
The dimension of mark;R=1,2 ..., R, R represents the number of sensor node;NoderRepresent r-th of sensor node;VrRepresent the
The orthogonal mark of r sensor node;vr,nRepresent n-th of the orthogonal mark of r-th of sensor node;
Step (1.1.2):Determine bearer protocol;
The bearer protocol for information of tracing to the source is chosen, according to the syntax rule of bearer protocol, in the stem or packet of packet
Interval equipotential installs data field of tracing to the source, for carrying information of tracing to the source;
(1.2):Mark information of tracing to the source;
The source sending node of packet, before transmitting data, tracing back for current data packet is write by the orthogonal mark of oneself
Source data field;Packet is in transmitting procedure, often by a routing node, and before forwarding data, the routing node is held
Row following steps:
Step (1.2.1) reads the data field value W that traces to the source of current data packetk=(wk,1,wk,2,…,wk,n);
Step (1.2.2) will trace to the source data field value WkMark V=(v orthogonal with oneself1,v2,…,vn) enter by formula 1
Row superposition;
Wk+1=Wk+ V (formula 1)
Wherein:Wk+1=(wk+1,1,wk+1,2,…,wk+1,n);wk+1,i=wk,i+vi, i=1,2 ..., n
Step (1.2.3) is by the supercomposed coding W after computingk+1Write the data field of tracing to the source of packet;
(1.3):Extract routing node;
Base station is received after packet, performs following sub-step:
Step (1.3.1):Data field value W=(the w that trace to the source are taken out from data packet header1,w2,…,wn);
Step (1.3.2):Carry out inner product meter of standardizing with W respectively with the orthogonal mark of each node in the region within the jurisdiction of base station
Calculate;
If Vt=(vt,1,vt,2,…,vt,n) it is arbitrary node Node in region within the jurisdictiontOrthogonal mark, then inner product of standardizing
Calculation formula such as formula 2;
If inner product value τt≠ 0, then it represents that node NodetThe forwarding of packet is participated in, if inner product value τt=0, then it represents that the section
Point has neither part nor lot in the forwarding of packet.
Step (1.3.3):Obtain participating in the forward node set C={ Node of current data packet transmissiont|τt≠ 0 }, i.e.,:It is interior
Product value is not equal to the set of zero node.
The node energy consumption monitors the stage:
If N={ node1,node2,…,nodemFor the set of all the sensors node in the region within the jurisdiction of base station, m is section
Point quantity.To any noder∈ N, measure the energy full value of the node, are designated as Er;The single-hop forwarding power consumption values of the node are measured,
It is designated as er;The minimum energy critical value of the node is set, U is designated asr;
Base station sets energy consumption record sheet to all nodes in its region within the jurisdiction, to any noder∈ N, its energy consumption record sheet
Including:Node address Ar, node identification VrWith dump energy YrDeng list item;
To any noder∈ N, the A that its address, mark and current energy value are write in its energy consumption record sheetr、VrAnd Yr
Deng list item;If noderFor new node, by its dump energy YrIt is initialized as energy full value Er, i.e.,:Yr←Er, wherein, " ← " represents
Assignment;For example:Yr←ErRepresent YrIt is entered as Er。
Base station is received after packet, performs following operating procedure:
Step (2.1):Current data packet is traced to the source by (1.3), the result C that traces to the source is obtained;
Step (2.2):To any Nodek∈ C, update NodekDump energy Y in energy consumption record sheetk, by YkIt is set to Yk
Subtract a single-hop forwarding power consumption values ek, i.e.,:Yk←(Yk-ek)。
Step (2.3):As dump energy Yk<UkWhen, triggering low energy prompting.
The step (1.1.1):
It is described orthogonal each other to refer to any two sensor node NodepAnd NodeqOrthogonal mark Vp=(vp,1,
vp,2,…,vp,n) and Vq=(vq,1,vq,2,…,vq,n) mutually orthogonal, i.e.,:
The generation of the orthogonal mark of sensor node, can use existing orthogonal vectors generation method.
Each base station records the orthogonal mark of each sensor node in its region within the jurisdiction in wireless sensor network.
, can be according to nothing to reduce the length of orthogonal mark because usual wireless sensor network contains a large amount of sensor nodes
The orthogonal mark that the scale of line sensor network sets each sensor node only in the region within the jurisdiction of same base station has only
One property, or subregion is carried out to wireless sensor network, being set in the orthogonal mark of each sensor node in a region has only
One property.
In the step (1.1.2):
The WSN data that the bearer protocol refers to act between sensor node and base station, can carry information of tracing to the source are led to
Believe agreement.
Based on the orthogonal WSN node energy monitoring systems traced to the source, including:Data trace to the source module and node energy consumption monitoring mould
Block;
The data are traced to the source module:Transmission of data packets is traced to the source for realizing, generation participates in packet transmission
Forward node set, this module is made up of three parts:
Orthogonal mark allocation unit:This element is run in base station or other WSN management and control websites, and its effect is:Generation is just
Identification sets are handed over, give each sensor node of system distribution in WSN orthogonal mark;
Trace to the source information flag unit:This element is run in each sensor node, and its effect is:When need send packet
When (node be source sending node), the orthogonal mark of present node is write to the data field of tracing to the source of packet;When needs turn
When sending out packet (node be routing node), read the data field of tracing to the source of the packet, by read trace to the source data with
The orthogonal mark of current sensor node is overlapped computing, and operation result is write in the data field of tracing to the source of packet.
Extract routing node unit:This element is run in a base station, and its effect is:When receiving packet, the number is read
According to the data field contents of tracing to the source of bag, by data and the orthogonal mark of each sensor node in the region within the jurisdiction of base station of tracing to the source
Normalization inner product is carried out respectively to calculate, and obtains participating in the sensor node set of current data packet forwarding;
The node energy consumption monitoring modular:This module is run in a base station, and its effect is:To owning in the region within the jurisdiction of base station
Sensor node, sets node energy consumption record sheet, records the current energy value of each node;Traced to the source according to data obtained by module
The sensor node set of current data packet forwarding is participated in, the current energy value of each sensor node in set is individually subtracted one
Individual single-hop forwards power consumption values, and residual energy value is stored in the energy consumption record sheet of the node;To in the energy consumption record sheet of each node
Residual energy value monitored in real time, to dump energy less than critical value node triggering low energy prompting.
The novelty of the present invention
1. the present invention provides the new method for result monitoring wireless sensor network node energy consumption of being traced to the source according to data.Wherein,
The effect that data are traced to the source in the present invention is to obtain the frequency that sensor node forwards data, real according to the frequency of forwarding data
Now to the assessment and monitoring of sensor node energy consumption.
2. vector orthogonality theory is combined by the method for the invention with sensor node energy consumption problem, ingenious in design,
With good realizability.
Beneficial effects of the present invention
1. the method for the invention is realized to the online, real-time, directly perceived of each node energy consumption situation of wireless sensor network
Monitoring, its monitoring result can be as wireless sensor network management and control, the use time of prolonging wireless sensor network, and chooses
The important evidence of base station location.
2. the invention provides realize the effective ways of sensor node energy consumption monitoring, this method using data result of tracing to the source
To the occupancy very little of sensor node resource, and it is ingenious in design, realize simple.
3. the present invention provides new Research approach for the application of higher wireless sensor network technology based on Energy distribution.
Brief description of the drawings
Fig. 1 is that the present invention traces to the source data markers flow chart.
Fig. 2 is that inventive sensor node energy consumption monitors flow chart.
Fig. 3 is the method for the invention course of work schematic diagram.
Embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, packet is in transmitting procedure, when often by a routing node, current routing node by oneself
Orthogonal mark be added in the data field of tracing to the source of packet.
As shown in Fig. 2 base station is received after packet, the data field of tracing to the source of the packet, the data that will trace to the source and institute are read
The orthogonal mark of each node carries out normalization inner product calculating respectively in the domain of area under one's jurisdiction, obtains participating in the rrotue node set of packet transmission
Close;All nodes in the set complete a data forwarding operation, and (source node completes packet encapsulation etc. due to needing
Operation, approximate with routing node energy consumption suitable), thus a single-hop forwarding energy is respectively consumed, therefore, by each node in set
Energy consumption record sheet in residual energy value single-hop forwarding energy consumption is individually subtracted;In a manner described, base station is in region within the jurisdiction
The energy consumption of all the sensors node is estimated and monitored, and the node triggering low energy to dump energy less than critical value is carried
Show.
As shown in figure 3, packet is sent from source sending node a, when road is through routing node x, y, z, flowed according to described in Fig. 1
Journey complete trace to the source data superposition multiplexing;Reach behind base station, carrying out data according to flow described in Fig. 2 traces to the source, and obtains participating in data
Wrap the node set C={ a, x, y, z } of transmission;According to set C, the energy consumption to node a, x, y and z is estimated, and it is remaining
Energy Ya、Yx、Yy、YzA single-hop forwarding energy consumption is individually subtracted.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (10)
1. based on the orthogonal WSN node energy monitoring methods traced to the source, it is characterized in that, including:Data are traced to the source and node energy consumption monitoring
Two stages;
The data are traced to the source the stage:The packet that base station is received is reviewed, restores and participates in all of packet transmission
Forward node, the data trace to the source the stage comprising three partial contents:(1.1):Orthogonal configuration of tracing to the source:To in wireless sensor network
The orthogonal mark of all the sensors node distribution, and determine the bearer protocol of information of tracing to the source;(1.2):Trace to the source information flag:It is each to pass
Sensor node is overlapped multiplexing to the data field contents of tracing to the source in packet;(1.3) forward node is extracted:It is right that base station passes through
Data field contents of tracing to the source carry out normalization inner product with the orthogonal mark of each sensor node in region within the jurisdiction and calculated, and are joined
The sensor node set transmitted with current data packet;
The node energy consumption monitors the stage:Node energy consumption record sheet is set to all the sensors node in the region within the jurisdiction of base station, used
In the current energy value for recording each node;When receiving packet, according to the data trace to the source the stage (1.3) obtain participate in the number
According to the sensor node set of bag transmission, the current energy value of each sensor node in set is subtracted into a single-hop and forwards energy consumption
Value, and residual energy value is stored in the energy consumption record sheet of the node;The dump energy of each node is carried out by energy consumption record sheet
Monitoring.
2. the method as described in claim 1, it is characterized in that, (1.1):Orthogonal configuration of tracing to the source, including following two sub-steps:
Step (1.1.1):The orthogonal mark of distribution;
Any one sensor node Node in wireless sensor networkrBe assigned with one it is unique and with other sensors section
Point orthogonal mark V orthogonal each otherr=(vr,1,vr,2,…,vr,n), vr,k=1 or -1, k=1,2 ..., n, n represents orthogonal mark
Dimension;R=1,2 ..., R, R represents the number of sensor node;NoderRepresent r-th of sensor node;VrRepresent r-th
The orthogonal mark of sensor node;vr,nRepresent n-th of the orthogonal mark of r-th of sensor node;
Step (1.1.2):Determine bearer protocol;
The bearer protocol for information of tracing to the source is chosen, according to the syntax rule of bearer protocol, in the stem or packet interval of packet
Position sets data field of tracing to the source, for carrying information of tracing to the source.
3. the method as described in claim 1, it is characterized in that, (1.2):Mark information of tracing to the source;
The source sending node of packet, before transmitting data, the orthogonal mark of oneself is write the number of tracing to the source of current data packet
According to field;Packet is in transmitting procedure, often by a routing node, forwarding data before, the routing node perform with
Lower step:
Step (1.2.1) reads the data field value W that traces to the source of current data packetk=(wk,1,wk,2,…,wk,n);
Step (1.2.2) will trace to the source data field value WkMark V=(v orthogonal with oneself1,v2,…,vn) folded by formula 1
Plus computing;
Wk+1=Wk+ V (formula 1)
Wherein:Wk+1=(wk+1,1,wk+1,2,…,wk+1,n);wk+1,i=wk,i+vi, i=1,2 ..., n
Step (1.2.3) is by the supercomposed coding W after computingk+1Write the data field of tracing to the source of packet.
4. the method as described in claim 1, it is characterized in that, (1.3):Extract routing node;
Base station is received after packet, performs following sub-step:
Step (1.3.1):Data field value W=(the w that trace to the source are taken out from data packet header1,w2,…,wn);
Step (1.3.2):Normalization inner product is carried out with W respectively with the orthogonal mark of each node in the region within the jurisdiction of base station to calculate;
If Vt=(vt,1,vt,2,…,vt,n) it is arbitrary node Node in region within the jurisdictiontOrthogonal mark, then standardize inner product calculate
Formula such as formula 2;
If inner product value τt≠ 0, then it represents that node NodetThe forwarding of packet is participated in, if inner product value τt=0, then it represents that the node is not
Participate in the forwarding of packet;
Step (1.3.3):Obtain participating in the forward node set C={ Node of current data packet transmissiont|τt≠ 0 }, i.e.,:Inner product value
It is not equal to the set of zero node.
5. the method as described in claim 1, it is characterized in that, the node energy consumption monitors the stage:
If N={ node1,node2,…,nodemFor the set of all the sensors node in the region within the jurisdiction of base station, m is nodes
Amount;To any noder∈ N, measure the energy full value of the node, are designated as Er;The single-hop forwarding power consumption values of the node are measured, are designated as
er;The minimum energy critical value of the node is set, U is designated asr;
Base station sets energy consumption record sheet to all nodes in its region within the jurisdiction, to any noder∈ N, its energy consumption record sheet includes:
Node address Ar, node identification VrWith dump energy Yr;
To any noder∈ N, the A that its address, orthogonal mark and current energy value are write in its energy consumption record sheetr、VrAnd YrTable
;If noderFor new node, by its dump energy YrIt is initialized as energy full value Er, i.e.,:Yr←Er, wherein, " ← " represents to assign
Value;
Base station is received after packet, performs following operating procedure:
Step (2.1):Current data packet is traced to the source by (1.3), the result C that traces to the source is obtained;
Step (2.2):To any Nodek∈ C, update NodekDump energy Y in energy consumption record sheetk, by YkIt is set to YkSubtract
One single-hop forwarding power consumption values ek, i.e.,:Yk←(Yk-ek);
Step (2.3):As dump energy Yk<UkWhen, triggering low energy prompting.
6. the method as described in claim 1, it is characterized in that, the step (1.1.1):
It is described orthogonal each other to refer to any two sensor node NodepAnd NodeqOrthogonal mark Vp=(vp,1,vp,2,…,
vp,n) and Vq=(vq,1,vq,2,…,vq,n) mutually orthogonal, i.e.,:
7. the method as described in claim 1, it is characterized in that,
The generation of the orthogonal mark of sensor node, can use existing orthogonal vectors generation method;
Each base station records the orthogonal mark of each sensor node in its region within the jurisdiction in wireless sensor network;
, can be according to wireless biography to reduce the length of orthogonal mark because usual wireless sensor network contains a large amount of sensor nodes
The scale of sensor network, which sets the orthogonal mark of each sensor node only in the region within the jurisdiction of same base station, has uniqueness,
Or subregion is carried out to wireless sensor network, being set in the orthogonal mark of each sensor node in a region has uniqueness.
8. the method as described in claim 1, it is characterized in that, in the step (1.1.2):
The bearer protocol refers to act between sensor node and base station, can carry the WSN data communication association for information of tracing to the source
View.
9. based on the orthogonal WSN node energy monitoring systems traced to the source, it is characterized in that, including:Data are traced to the source module and node energy consumption
Monitoring modular;
The data are traced to the source module:Transmission of data packets is traced to the source for realizing, generation participates in turning for packet transmission
Node set is sent out, data module of tracing to the source is made up of three parts:
Orthogonal mark allocation unit:Run in base station or other WSN management and control websites, its effect is:Orthogonal identification sets are generated, are given
The orthogonal mark of each sensor node of system distribution in WSN;
Trace to the source information flag unit:Run in each sensor node, its effect is:, will be current when needing to send packet
The orthogonal mark of node writes the data field of tracing to the source of packet;When needing forwarding packet, tracing to the source for the packet is read
Data field, computing is overlapped by trace to the source data and the orthogonal mark of current sensor node that are read, and by computing knot
In the data field of tracing to the source of fruit write-in packet;
Extract routing node unit:Run in a base station, its effect is:When receiving packet, tracing to the source for the packet is read
Data field contents, by entering professional etiquette respectively with the orthogonal mark of each sensor node in the region within the jurisdiction of base station to data of tracing to the source
Inner product of formatting is calculated, and obtains participating in the sensor node set of current data packet forwarding.
10. system as claimed in claim 9, it is characterized in that,
The node energy consumption monitoring modular:Run in a base station, its effect is:To all the sensors section in the region within the jurisdiction of base station
Point, sets node energy consumption record sheet, records the current energy value of each node;Participation obtained by module of being traced to the source according to data is current
The sensor node set of packet forwarding, is individually subtracted a single-hop by the current energy value of each sensor node in set and turns
Power consumption values are sent out, and residual energy value is stored in the energy consumption record sheet of the node;To the residual energy in the energy consumption record sheet of each node
Value is monitored in real time, the node triggering low energy prompting to dump energy less than critical value.
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CN101409940A (en) * | 2008-08-26 | 2009-04-15 | 中国人民解放军海军工程大学 | Route selection method for wireless sensor network facing to target tracking application |
CN103298032A (en) * | 2013-07-02 | 2013-09-11 | 重庆大学 | Node energy consumption balancing method for wireless sensor network |
CN103973801A (en) * | 2014-05-19 | 2014-08-06 | 中南大学 | Wireless sensor network source tracing and tracking method |
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