CN110087295A - The method and apparatus for reducing radio sensing network node operation power consumption - Google Patents
The method and apparatus for reducing radio sensing network node operation power consumption Download PDFInfo
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- CN110087295A CN110087295A CN201910517190.7A CN201910517190A CN110087295A CN 110087295 A CN110087295 A CN 110087295A CN 201910517190 A CN201910517190 A CN 201910517190A CN 110087295 A CN110087295 A CN 110087295A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 230000009467 reduction Effects 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 5
- 238000005457 optimization Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000010845 search algorithm Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 9
- 238000012790 confirmation Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 7
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Classifications
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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
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
-
- 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
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- 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
- H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
-
- 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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- 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 belongs to technology of wireless sensing network fields, more particularly to a kind of method and apparatus of reduction radio sensing network node operation power consumption, it is intended that solving the problem of that existing method energy-saving efficiency is low, not having versatility and because lower power consumption causes communication quality to decline.For the present invention when network is added in radio sensing network node, transmission power uses maximum value, according to the reply of other node confirmation message packets and signal quality, node transmitting power is constantly adaptively adjusted using Binary searches method, to be optimal transmission power.Radio sensing network node of the invention will not cause communication quality to decline because of lower power consumption, and energy-saving efficiency is high, has versatility, rationally can effectively extend the lifetime of network.
Description
Technical field
The invention belongs to technology of wireless sensing network fields, and in particular to a kind of reduction radio sensing network node operation function
The method and apparatus of consumption.
Background technique
Wireless sensor network is formed by being deployed in a large amount of microsensor in monitoring region, through wireless communication
The ad hoc network system of the multi-hop formed realizes cooperation acquisition, perception and the place of network's coverage area interior joint information
Reason, and it is sent to monitoring client.Wireless sensor network is widely applied to environmental monitoring, military surveillance, smart home, intelligence friendship
The fields such as logical, Industry Control.Wireless sensor network has the characteristics that flexible structure, self-organizing, multi-hop, and is typically deployed at environment
Severe region, it is desirable that the working life of node and the life span of network are up to several months or several years.And wireless sensor network section
Point generallys use battery power supply.Therefore, how to realize that the low-power consumption of node is the key technology of wireless sensing network design.
The method for reducing node power consumption in the prior art is: after node networks, power is gradually adaptive since minimum
It adjusts until received signal strength is higher than threshold value；Node enters normal work time slot, using node transmitting power adjusted into
Row data are sent；When the transmission power of node exceeds the upper limit or lower limit of received signal strength, node self-adapting adjusts transmitting function
Rate, so that the receiving intensity of node meets threshold requirement.
Existing method needs know the received signal strength indication of node and need to set suitable signal strength threshold every time
Value, basis signal intensity accordingly irregularly adjust transmission power.But in actual application environment, due to environment etc. shadow
It rings, signal strength measurement cannot directly reflect signal transmission quality, cause lower power consumption that communication quality is caused to decline；Transmission power
Irregularly adjustment causes energy-saving efficiency low；The setting of threshold value can be also varied because of different application scenarios, lead to the method
Without versatility.
Summary of the invention
In order to solve the above problem in the prior art, in order to solve, existing method energy-saving efficiency is low, it is general not have
Property, and the problem of cause communication quality to decline because of lower power consumption, the invention proposes a kind of reduction radio sensing network nodes
The method for running power consumption, this method comprises:
Step S100, using radio sensing network node transmission power maximum value as the first transmission power；
Step S200, the radio sensing network node establish connection with the first transmission power and destination node；
Step S300 obtains the signal quality that the destination node receives signal；
Step S400 is based on the signal quality, adjusts first transmission power by binary search algorithm, obtains the
Two transmission powers；
Step S500 executes step S200 using the second transmission power as the first transmission power, changes until reaching preset
For termination condition, and the second transmission power that last time iteration is obtained is exported as optimization.
In some preferred embodiments, the radio sensing network node includes terminal node, routing node；
The terminal node, signal quality are the signal quality that father node receives signal；
The routing node, signal quality are three sub- terminal node, father's routing node and sub-route node reception letters
Number signal quality minimum value.
In some preferred embodiments, the stopping criterion for iteration is the first transmission power and the second transmission power phase
Deng or setting the number of iterations.
In some preferred embodiments, the method for reducing radio sensing network node operation power consumption further includes institute
The functional module for stating radio sensing network node is based on simple intelligent algorithm and is turned on or off.
The second aspect of the present invention proposes a kind of storage device, wherein be stored with a plurality of program, described program be suitable for by
Processor is loaded and is executed to realize the above-mentioned method for reducing radio sensing network node operation power consumption.
The third aspect of the present invention proposes a kind of processing unit, including processor, storage device；Processor, suitable for holding
Each program of row；Storage device is suitable for storing a plurality of program；Described program is suitable for being loaded by processor and being executed above-mentioned to realize
Reduce radio sensing network node operation power consumption method.
Beneficial effects of the present invention:
The present invention is replied according to other node confirmation message packets and signal quality, constantly adaptive using Binary searches method
Node transmitting power is adjusted, to be optimal transmission power, therefore the present invention will not cause under communication quality because of lower power consumption
Drop, energy-saving efficiency is high, has versatility, rationally can effectively extend the lifetime of network.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other features,
Objects and advantages will become more apparent upon:
Fig. 1 reduces radio sensing network node and runs power consumption flow diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to the embodiment of the present invention
In technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, without
It is whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
A kind of method of reduction radio sensing network node operation power consumption of the invention, as shown in Figure 1, comprising:
Step S100, using radio sensing network node transmission power maximum value as the first transmission power；
Step S200, radio sensing network node establish connection with the first transmission power and destination node；
Step S300 obtains the signal quality that destination node receives signal；
Step S400 is based on signal quality, adjusts the first transmission power by binary search algorithm, obtains the second transmitting function
Rate；
Step S500 executes step S200 using the second transmission power as the first transmission power, changes until reaching preset
For termination condition, and the second transmission power that last time iteration is obtained is exported as optimization.
In order to which more clearly the present invention will be described, with reference to the accompanying drawing to respectively being walked in a kind of embodiment of present system
Suddenly expansion detailed description is carried out.
Step S100: initialization network configures basic parameter: setting t=0, t are iteration optimization number；Setting signal matter
Measure threshold value Q；The transmission power that sensing node is arranged is maximum value, i.e. P (0)=Pmax。
Step S200 sends broadcast packet after sensing node is successfully joined network with the first transmission power P (t), table 1 is
The communication format of broadcast packet after other radio sensing network nodes receive broadcast packet, replys confirmation message packet (ACK), makes node
Confirm whether communication function is normal.Table 2 is the communication format of ACK packet.
Table 1
Table 2
All nodes in wireless sensor network first judge the information in broadcast packet, then determine whether to send out
Send ack msg packet.The Rule of judgment for sending ack msg packet is described below:
If the 16-bit network address of some node A in wireless sensor network be broadcast packet in Byte3 and
Byte4, then the node is the father node for sending broadcast packet node B, then node A sends ACK confirmation data packet；
If the 16-bit network address of the father node of node A is Byte1 and Byte2 in broadcast packet, node A is to send extensively
The child node of packet node B is broadcast, then node A sends ACK confirmation data packet.
In addition to this other nodes are without any processing to the broadcast packet received, i.e., not to the node B for sending broadcast packet
Carry out back packet.
Step S300 obtains the signal quality for receiving signal.Node is divided into routing according to the characteristics of wireless sensor network
Node and terminal node.If present node is terminal node, the ack msg packet received is parsed, if replying ACK number
Node according to packet is the father node of present node, obtains the quality that father node receives signal.If present node is routing node, and
All sub- terminal, father's routing node and sub-route nodes have all replied ack msg packet to present node, to what is received
Ack msg packet is parsed, the basis that the minimum value in the signal quality of three reception signals differentiates as next step.
Transmission power is decreased or increased using the method for Binary searches in step S400.If signal quality is higher than threshold value,
Reduce transmission power in transmission power section by half, if signal quality is lower than threshold value, increases by half in transmission power section
Transmission power.Binary searches update transmission power, time complexity O by the median in continuous selection range
(logn2), updated the second obtained transmission power is P (t+1).
Step S500, the termination condition of algorithm iteration be the second transmission power P (t+1) be equal to the first transmission power P (t) or
The number of iterations of setting executes step S200 otherwise using the second transmission power as the first transmission power.Emit after iteration ends
Power no longer adjusts, and uses this value as the transmission power of radio sensing network node.
In addition, all kinds of sensing datas of the radio sensing network node using the analysis acquisition of simple intelligent algorithm, according to surrounding
The variation of environment determines the working condition of each functional module, and adaptive is turned on or off, and further decreases power consumption with this.
A kind of storage device of the embodiment of the present invention, wherein being stored with a plurality of program, described program is suitable for being added by processor
It carries and executes to realize the above-mentioned method for reducing radio sensing network node operation power consumption.
A kind of processing unit of the embodiment of the present invention, including processor, storage device；Processor is adapted for carrying out each journey
Sequence；Storage device is suitable for storing a plurality of program；Described program is suitable for being loaded by processor and being executed to realize above-mentioned reduction nothing
The method of line sensing network node operation power consumption.
Person of ordinary skill in the field can be understood that, for convenience and simplicity of description, foregoing description
The specific work process and related explanation of storage device, processing unit, can refer to corresponding processes in the foregoing method embodiment,
Details are not described herein.
Those skilled in the art should be able to recognize that, each exemplary method described in conjunction with the examples disclosed in this document
Step can be realized with electronic hardware, computer software, or a combination of the two, and the corresponding program of method and step can be placed in
It is random access memory (RAM), memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard
In any other form of storage medium well known in disk, moveable magnetic disc, CD-ROM or technical field.In order to clearly
Illustrate the interchangeability of electronic hardware and software, generally describes each exemplary group according to function in the above description
At and step.These functions are executed actually with electronic hardware or software mode, depending on technical solution specific application and
Design constraint.Those skilled in the art can realize described function using distinct methods to each specific application
Can, but such implementation should not be considered as beyond the scope of the present invention.
Term " first ", " second " etc. are to be used to distinguish similar objects, rather than be used to describe or indicate specific suitable
Sequence or precedence.
Term " includes " or any other like term are intended to cover non-exclusive inclusion, so that including a system
The method or device of column element not only include those elements, but also other elements including being not explicitly listed, or also
Including the intrinsic element of these methods or device.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (6)
1. a kind of method for reducing radio sensing network node operation power consumption, which is characterized in that this method comprises:
Step S100, using radio sensing network node transmission power maximum value as the first transmission power；
Step S200, the radio sensing network node establish connection with the first transmission power and destination node；
Step S300 obtains the signal quality that the destination node receives signal；
Step S400 is based on the signal quality, adjusts first transmission power by binary search algorithm, obtains the second hair
Penetrate power；
Step S500 executes step S200 using the second transmission power as the first transmission power, until it is whole to reach preset iteration
Only condition, and the second transmission power that last time iteration is obtained is exported as optimization.
2. the method according to claim 1 for reducing radio sensing network node operation power consumption, which is characterized in that the nothing
Line sensing network node includes terminal node, routing node；
The terminal node, signal quality are the signal quality that father node receives signal；
The routing node, signal quality are sub- terminal node, father's routing node and sub-route node three reception signals
The minimum value of signal quality.
3. the method according to claim 1 for reducing radio sensing network node operation power consumption, which is characterized in that described to change
It is the number of iterations that the first transmission power is equal with the second transmission power or sets for termination condition.
4. the method according to claim 1 for reducing radio sensing network node operation power consumption, which is characterized in that the drop
The method of low radio sensing network node operation power consumption further includes that the functional module of the radio sensing network node is based on simply
Intelligent algorithm is turned on or off.
5. a kind of storage device, wherein being stored with a plurality of program, which is characterized in that described program is suitable for being loaded and being held by processor
Method of the row to realize reduction radio sensing network node operation power consumption described in any claim in claim 1-4.
6. a kind of processing unit, including processor, storage device；Processor is adapted for carrying out each program；Storage device is suitable for
Store a plurality of program；It is characterized in that, described program is any in claim 1-4 to realize suitable for being loaded by processor and being executed
The method of reduction radio sensing network node operation power consumption described in claim.
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Cited By (1)
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| CN117097665A (en) * | 2023-10-18 | 2023-11-21 | 杭州联芯通半导体有限公司 | Father node selection method and device, electronic equipment and storage medium |
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