CN105873200A - Method and device for periodically awaking node - Google Patents
Method and device for periodically awaking node Download PDFInfo
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- CN105873200A CN105873200A CN201610340109.9A CN201610340109A CN105873200A CN 105873200 A CN105873200 A CN 105873200A CN 201610340109 A CN201610340109 A CN 201610340109A CN 105873200 A CN105873200 A CN 105873200A
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000005059 dormancy Effects 0.000 claims abstract description 53
- 230000004622 sleep time Effects 0.000 claims description 70
- 230000000737 periodic effect Effects 0.000 claims description 14
- 230000007958 sleep Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 230000002618 waking effect Effects 0.000 claims description 9
- 230000006266 hibernation Effects 0.000 claims description 7
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004617 sleep duration Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
-
- 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)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention relates to the technical field of electronic equipment and discloses a method and a device for periodically awaking a node. The method comprises steps as follows: periodical dormancy is performed on the node according to dormancy duration; the node is awakened to detect events every time dormancy time arrives; a time interval between the event and the last event is determined when the events are detected; the dormancy duration is changed according to the determined time intervals between multiple events when the time intervals between multiple events are determined. With the adoption of the method, the dormancy duration can be automatically adjusted according to changes of the time intervals of the events, accordingly, the working performance of the node is improved, and the service life of the node can be prolonged.
Description
Technical field
The present invention relates to technical field of electronic equipment, in particular it relates to a kind of method of periodic awakening node
And device.
Background technology
In the prior art, some equipment are powered by battery, such as in wireless sensor network
Wireless senser, these equipment need to use dormancy mechanism to extend the use longevity due to the restriction of power supply capacity
Life.Equipment in these networks can be referred to as node.
In prior art, the dormancy mechanism being used nodes, for arranging fixed sleep duration, is pressed
Sleep time carries out the mode of periodically dormancy.But, specific environment needs nodal test and processes
The occurrence frequency of event may constantly be changed.If sleep time is relative to the interval of the event of generation
Overlong time, then can cause node to omit partial event, affect overall performance；If sleep time phase
Interval time for there is event is too short, and node can be made the most again to carry out unnecessary waking up up, waste joint
The energy of point, causes the working life of node to reduce.So need to provide a kind of new periodic awakening node
Mechanism overcome the problems referred to above.
Summary of the invention
The method and apparatus that it is an object of the invention to provide a kind of periodic awakening node, is used for solving above-mentioned skill
Art problem, solves above-mentioned technical problem at least in part.
To achieve these goals, the present invention provides a kind of method of periodic awakening node, and the method includes:
According to sleep time, described node is carried out periodically dormancy；Every time when sleep time arrives, wake up institute up
State node event is detected；Upon detecting an event, determine between this event and last time event
Interval time；When it was confirmed that during interval time between multiple event, according to determined by between multiple events
Interval time changes sleep time.
Preferably, described method also includes: when being not detected by event, continues according to sleep time pair
Described node carries out periodically dormancy.
Preferably, include the described interval time determined between this event and last time event: record detects
The moment value of this event；The moment value of the moment value of this event with event last time is subtracted each other, determines
Go out the interval time between this event and last time event.
Preferably, between multiple events determined by described basis, interval time changes sleep time and includes: meter
Calculate the meansigma methods of interval time between multiple event, using the meansigma methods of interval time between event as change after
Sleep time.
Preferably, described when it was confirmed that during interval time between multiple event, according to determined by multiple
Between event, interval time changes sleep time and includes: judge between definite event the number of interval time whether
Reach predetermined threshold value N；If reached, then according to when between the N number of event determined, interval time changes dormancy
Long；Without reaching, then continue according to current hibernation duration and described node is carried out periodically dormancy.
According to this another aspect of the present invention, disclose the device of a kind of periodic awakening node, this device bag
Include: sleep block, for node being carried out periodically dormancy according to sleep time；Detection module, is used for
Every time when sleep time arrives, wake up described node up and event is detected；Determine module, be used for
Upon detecting an event, the interval time between this event and last time event is determined；Change module, is used for
When it was confirmed that during interval time between multiple event, according to determined by between multiple events interval time become
More sleep time.
Preferably, described detection module is additionally operable to when being not detected by event, indicates described sleep block
Continue according to sleep time and carry out periodically dormancy.
Preferably, described determine module for the moment value of this event that record detects, by this thing
The moment value of the moment value of part and event last time is subtracted each other, and determines the interval between this event and last time event
Time.
Preferably, described change module is for calculating the meansigma methods of interval time between multiple event, by event
Between interval time meansigma methods as change after sleep time.
Preferably, described change module is for judging between definite event, whether the number of interval time reaches
Predetermined threshold value N, if reached, then according to changing sleep time interval time between the N number of event determined；
Without reaching, it indicates that described sleep block continues according to current hibernation duration and carries out described node
Periodically dormancy.
By technique scheme, node carries out periodically dormancy according to sleep time, every time when dormancy
During long arrival, node is waken up and detects event, and upon detecting an event, node determines this
Interval time between event and last time event, when it was confirmed that during interval time between multiple event, node
Determined by according to, between multiple events, interval time changes sleep time.Between so, it is possible according to event
Sleep time is automatically adjusted by the change of interval, and then it can be avoided that because sleep time is relative to sending out
Make trouble interval time of part is long, and node can be caused to omit partial event and affect overall performance；And
Because sleep time is too short relative to the interval time of the event of generation, and the energy wasting node causes node
Working life reduces.Use technical scheme can improve the service behaviour of node, it is possible to prolong
The working life of long node.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with
Detailed description below is used for explaining the present invention together, but is not intended that limitation of the present invention.?
In accompanying drawing:
Fig. 1 is the flow chart of the method for periodic awakening node according to embodiments of the present invention；
Fig. 2 is the flow chart of the process of interval time between determination event according to embodiments of the present invention；
Fig. 3 is the flow chart of the process of change sleep time according to embodiments of the present invention；
Fig. 4 is the flow chart of the method for periodic awakening node according to embodiments of the present invention；
Fig. 5 is the structure chart of the device of periodic awakening node according to embodiments of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that
Detailed description of the invention described herein is merely to illustrate and explains the present invention, is not limited to this
Bright.
Fig. 1 is the flow chart of the method for periodic awakening node according to embodiments of the present invention.The method can be used
In the various equipment such as wireless senser, the most described equipment is also referred to as node, such as Fig. 1 institute
Showing, the method can comprise the steps.
In step s 110, according to sleep time, node is carried out periodically dormancy.
For example, time initial, sleep time can be Configuration Values, is provided with dormancy timer in node.
Open dormancy timer and start timing, in sleep time, make node stop the fortune of all or part of function
OK, when dormancy timer expires, by waking up nodes.Carry out periodically stopping according to sleep time to node
Sleep, be dormancy in sleep time, when sleep time arrives, by waking up nodes every time.
In the step s 120, every time when sleep time arrives, wake up node up and event is detected.
For example, every time when dormancy timer expires, by waking up nodes, its each function starts fortune
OK.Surrounding is detected waking up the moment up by node, and such as, sensor node can be to ring around
The event in border senses.
In step s 130, upon detecting an event, the interval between this event and last time event is determined
Time.
In one embodiment, as in figure 2 it is shown, described determine between this event and last time event interval time
Between can comprise the steps.
In step S132, record detects the moment value of this event.
In step S134, the moment value of the moment value of this event with event last time is subtracted each other, determines
Go out the interval time between this event and last time event.
For example, safeguard an Event Log Table in node, in this Event Log Table, record each
Interval time between event, the moment value that event is corresponding, and event and last time event.When thing being detected
During part, Event Log Table creates new list item, new list item is recorded this event, detects
The moment value of this event, the interval time between this event and last time event.Wherein, this event
And the interval time between last time event can be by by the moment value of this event and Event Log Table
The mode that the moment value of secondary event is subtracted each other obtains.Can use Hash table to realize Event Log Table, but
The method carrying out event information record in the present invention is not limited to this.
In step S140, when it was confirmed that during interval time between multiple event, according to determined by
Between multiple events, interval time changes sleep time.
In one embodiment, between multiple events determined by described basis interval time change sleep time can
Including: calculate the meansigma methods of interval time between multiple event, using the meansigma methods of interval time between event as
Sleep time after change.
In one embodiment, as it is shown on figure 3, described when it was confirmed that during interval time between multiple event,
Determined by according to, between multiple events, interval time changes sleep time and can comprise the steps.
In step S142, it is judged that between definite event, whether the number of interval time reaches predetermined threshold value
N。
In step S144, if reached, then according to interval time between the N number of event determined, change was stopped
Dormancy duration.
In step S146, without reaching, then continue according to current hibernation duration and node is carried out
Periodically dormancy.
For example, when event being detected, by the event information (moment of the event such as, detected
Interval time between value, event and last time event) recorded in Event Log Table after, it is judged that logout
In table, between the event of record, whether the number of interval time reaches predetermined threshold value N.
Without reaching, then it is continuing with current hibernation duration and node is carried out periodically dormancy, perform
Step S110 operates to step S140.If reached, then interval time between N number of event is put down
All computings, use meansigma methods is as new sleep time, and content in Event Log Table is emptied.Its
In, the method obtaining new sleep time according to interval time between N number of event is not limited to averaged
Mode.For example, it is possible to interval time between N number of event is carried out distributional analysis, will in distribution with other
Between event, between the event of interval time (such as exceed and preset distribution threshold value) apart from each other, interval time rejects,
Utilize calculate new sleep time interval time between remaining event.Afterwards, new dormancy time pair is used
Node carries out periodically dormancy, re-executes step S110 to the operation in step S140.
In one embodiment, described method may also include that when being not detected by event, continues according to not
Dormancy duration carries out periodically dormancy to node.
Fig. 4 is the flow chart of the method for periodic awakening node according to embodiments of the present invention.At the present embodiment
In, described method is used for sensor network, is configured with initial sleep time time initial in the sensor, as
Shown in Fig. 4, the sensor in sensor network performs following steps.
In step S402, in sleep time, node is carried out dormancy.In step s 404, when stopping
When dormancy duration arrives, wake up node up and event is detected, it may be judged whether event detected, if inspection
The event that measures performs step S406, without event being detected, performs step S402.In step S406
In, event table records the moment value of this event detected.In step S408, by this
The moment value of the moment value of event and event last time is subtracted each other, between determining between this event and last time event
Interval also recorded in event table.In step S410, it is judged that interval time between event in event table
Number whether reach predetermined threshold value N, if reached, then perform step S412, without reaching,
Then perform step S402.In step S412, calculate the meansigma methods of interval time between N number of event, will
Sleep time is changed to data in this meansigma methods, and flush events table, performs step S402 afterwards；?
Sleep time after starting in step S402 by change carries out dormancy to node.
So, it is possible the change of the interval time according to event sleep time is automatically adjusted, and then
It can be avoided that because sleep time is long relative to the interval time of the event of generation, and node can be caused to omit
Partial event affects overall performance；And because sleep time is too short relative to the interval time of the event of generation,
And the working life that the energy wasting node causes node reduces.Technical scheme is used to carry
The service behaviour of high node, it is possible to extend the working life of node.
Fig. 5 is the structure chart of the device of periodic awakening node according to embodiments of the present invention.This device can be used
In the various equipment such as wireless senser, the most described equipment is also referred to as node, such as Fig. 5 institute
Showing, this device can include such as lower module.
Sleep block 510, for carrying out periodically dormancy according to sleep time to node；
Detection module 520, for, every time when sleep time arrives, waking up described node up and enter event
Row detection；
Determine module 530, for upon detecting an event, between determining between this event and last time event
Interval；
Change module 540, for when it was confirmed that during interval time between multiple event, according to being determined
Multiple events between interval time change sleep time.
In one embodiment, detection module 520 is additionally operable to when being not detected by event, indicates dormancy mould
Block 510 continues according to sleep time and carries out periodically dormancy.
In one embodiment, determine that module 530, will for recording the moment value of this event detected
The moment value of the moment value of this event and event last time is subtracted each other, and determines between this event and last time event
Interval time.
In one embodiment, change module 540 is used for calculating the meansigma methods of interval time between multiple event,
Using the meansigma methods of interval time between event as the sleep time after change.
In one embodiment, change module 540 is for judging that between definite event, the number of interval time is
No reach predetermined threshold value N, if reached, then according to changing dormancy interval time between the N number of event determined
Duration；Without reaching, it indicates that sleep block 510 continues according to current hibernation duration to described joint
Click on line period dormancy.
For example, time initial, sleep time can be Configuration Values, is provided with not in sleep block 510
Dormancy timer.Open dormancy timer and start timing, in sleep time, make node stop all or portion
Dividing the operation of function, when dormancy timer expires, waking up nodes is carried out by instruction detection module 520
Detection.Node is carried out periodically dormancy according to sleep time, is dormancy in sleep time every time,
When sleep time arrives, by waking up nodes.Safeguard an Event Log Table in node, in this event
Log records each event, the interval between the moment value that event is corresponding, and event and last time event
Time.Upon detecting an event, detection module 520 creates new list item in Event Log Table, newly
List item is recorded this event, the moment value of this event detected.Determine that module 530 is by this
The moment value of event with in Event Log Table last time event this event of determination of subtracting each other of moment value with upper
Interval time between secondary event, and this time interval is arrived in Event Log Table.Hash table can be used
Realize Event Log Table, but the method carrying out event information record in the present invention is not limited to this.
Determining that the interval time between event and last time event be recorded in Event Log Table by module 530
After, change module 540 judges in Event Log Table, between the event of record, whether the number of interval time reaches
Predetermined threshold value N.Without reaching, then change module 540 indicates sleep block 510 to be continuing with working as
Front sleep time carries out periodically dormancy to node.If reached, then change module 540 is by N number of event
Between interval time be averaged computing, use meansigma methods as new sleep time, and by logout
In table, content empties.Wherein, according to obtaining the method for new sleep time not interval time between N number of event
It is limited to the mode of averaged.For example, it is possible to interval time between N number of event is carried out distributional analysis,
Will the thing of interval time (such as exceed and preset distribution threshold value) apart from each other in distribution and between other events
Between part, interval time rejects, and utilizes calculate new sleep time interval time between remaining event.Afterwards,
Sleep block 510 uses new dormancy time that node carries out periodically dormancy.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention does not limit
Detail in above-mentioned embodiment, in the technology concept of the present invention, can be to the present invention
Technical scheme carry out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, various possible compound modes are illustrated by the present invention the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a method for periodic awakening node, the method includes:
According to sleep time, described node is carried out periodically dormancy；
Every time when sleep time arrives, wake up described node up and event is detected；
Upon detecting an event, the interval time between this event and last time event is determined；
When it was confirmed that during interval time between multiple event, according to determined by between multiple events during interval
Between change sleep time.
Method the most according to claim 1, it is characterised in that described method also includes:
When being not detected by event, continue according to sleep time and described node is carried out periodically dormancy.
Method the most according to claim 1, it is characterised in that described determine that this event is with upper
Interval time between secondary event includes:
The moment value of this event that record detects；
The moment value of the moment value of this event with event last time is subtracted each other, determines this event and last time
Interval time between event.
Method the most according to claim 1, it is characterised in that multiple determined by described basis
Between event, interval time changes sleep time and includes:
Calculate the meansigma methods of interval time between multiple event, using the meansigma methods of interval time between event as change
Sleep time after more.
Method the most according to claim 1, it is characterised in that described when it was confirmed that multiple
Between event during interval time, according to determined by between multiple events interval time change sleep time and include:
Judge between definite event, whether the number of interval time reaches predetermined threshold value N；
If reached, then according to changing sleep time interval time between the N number of event determined；
Without reaching, then continue according to current hibernation duration and described node is carried out periodically dormancy.
6. a device for periodic awakening node, this device includes:
Sleep block, for carrying out periodically dormancy according to sleep time to node；
Detection module, for, every time when sleep time arrives, waking up described node up and examine event
Survey；
Determine module, for upon detecting an event, when determining the interval between this event and last time event
Between；
Change module, for when it was confirmed that during interval time between multiple event, according to determined by many
Between individual event, interval time changes sleep time.
Device the most according to claim 6, it is characterised in that described detection module is additionally operable to work as
When being not detected by event, indicate described sleep block to continue according to sleep time and carry out periodically dormancy.
Device the most according to claim 6, it is characterised in that described determine that module is for record
The moment value of this event detected, by the moment value phase of the moment value of this event with event last time
Subtract, determine the interval time between this event and last time event.
Device the most according to claim 6, it is characterised in that described change module is used for calculating
The meansigma methods of interval time between multiple events, using the meansigma methods of interval time between event as stopping after change
Dormancy duration.
Device the most according to claim 6, it is characterised in that described change module is used for judging
Between definite event, whether the number of interval time reaches predetermined threshold value N, if reached, then according to determining
N number of event between interval time change sleep time；Without reaching, it indicates that described sleep block
Continue according to current hibernation duration and described node is carried out periodically dormancy.
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| CN201610340109.9A CN105873200A (en) | 2016-05-20 | 2016-05-20 | Method and device for periodically awaking node |
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| CN201610340109.9A CN105873200A (en) | 2016-05-20 | 2016-05-20 | Method and device for periodically awaking node |
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| CN108443966A (en) * | 2018-03-30 | 2018-08-24 | 四川长虹空调有限公司 | A kind of control method and air purifier of air purifier operational mode |
| CN108541048A (en) * | 2017-03-02 | 2018-09-14 | 安移通网络公司 | Bluetooth low power consumption equipment state is converted |
| CN108844198A (en) * | 2018-03-30 | 2018-11-20 | 四川长虹空调有限公司 | A kind of control method and air-conditioning of air conditioning operating mode |
| CN108961737A (en) * | 2018-06-28 | 2018-12-07 | 光大环保技术研究院（南京）有限公司 | A method of it is abnormal using cycle dynamics monitoring data collection terminal |
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Application publication date: 20160817 |