CN107969015A - A kind of 5G Internet of Things electric power data acquisition terminal access controlling method - Google Patents
A kind of 5G Internet of Things electric power data acquisition terminal access controlling method Download PDFInfo
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- CN107969015A CN107969015A CN201711076585.5A CN201711076585A CN107969015A CN 107969015 A CN107969015 A CN 107969015A CN 201711076585 A CN201711076585 A CN 201711076585A CN 107969015 A CN107969015 A CN 107969015A
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- data acquisition
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- acquisition terminal
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0289—Congestion control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of 5G Internet of Things electric power data acquisition terminal access controlling method, stand-by period when this method is according to MTC terminal report cycle and re-accessing network, by increasing a random offset, the interval of periodic report is adjusted, and the network insertion stand-by period is adjusted, the collision probability of terminal concurrence access is reduced, while does not change the congestion control mechanism of existing network.
Description
Technical field
The invention belongs to electronic information field, is related to mobile communication technology, more particularly to a kind of 5G Internet of Things electric power data
Acquisition terminal connection control method.
Background technology
Internet of things functional is realized using cellular technology, it is necessary to which congestion caused by solving extensive internet-of-things terminal access is asked
Topic.It is special in order to adapt to the demand for development of following 5G Internet of Things, it is necessary to strengthen existing LTE system machine type communication (MTC)
It is not that congestion control is strengthened.Congestion control is divided into congestion control caused by congestion control caused by core net and wireless network
System.
When core network congestion, E-UTRAN should be identified and be refused some low priorities MTC (Machine- in time
Type Communications) terminal access, to ensure the transmission of high priority terminal (including high priority MTC terminal).
For this reason, 3GPP is terminal introducing one, " Delay Tolerant " are indicated, when terminal is using this instruction, show that it can be in net
Longer delay is endured during network congestion.It should be noted that MTC applications are also multifarious, not all MTC applications all may be used
To endure longer delay, such as, for the sensing network of earthquake pre-warning, when network congestion, it is also necessary to allow as soon as possible
It accesses and transmits data.Therefore whether MTC applications are mapped to " on Delay Tolerant ", by operator in Non-Access Stratum
(NAS, Non-Access-Stratum) is configured.When core net is in congestion state, base station (eNB) can be by refusing or releasing
Bleed off those connections higher to time delay tolerance, and feed back a latency value EWT (Extended Wait Time,
Extend stand-by period, maximum 1800s).After terminal receives above-mentioned message, it can be opened in end side according to this stand-by period
A timer is moved, before timer expires, RRC (Radio Resource Control) is no longer initiated in corresponding MTC applications
Connection.Fig. 1 is connected under foundation and existing RRC connections with Fig. 2 for Initial R RC, the congestion after core network congestion without network
Control flow.Wireless side is directed to the control method of MTC device turn-on time, these schemes are transparent for application layer, even if
Application layer is not provided with corresponding turn-on time control, and network accesses while can also handling a large amount of MTC devices with confidence.
In E-UTRAN, network side can pass through limitation ACB (Access Class Barring, the access of access grade
Grade limits) realize access control, avoid congestion.LTE-A cells can broadcast a restriction factor and access level restriction time
(ACBT, Access Class Barring Time) (being carried in SIB2).When terminal accesses, terminal extracts a random number,
This random number and restriction factor are compared.If random number is less than restriction factor, terminal starts random access procedure, no
Then, terminal can be prevented from accessing within the access level restriction time.Existing lte-a system, has 16 access grades, one
As in the case of (nonemergency) TerminalAccessClass be 0-9.Since the new business such as MTC type (or terminal type) introduces,
Needs, which are impacted, in order not to the access to ordinary terminal is directed to MTC terminal micro-stepping control in access control process, can be existing
Having is strengthened on the basis of ACB mechanism, and new restriction factor EAB (Extended Access are introduced for MTC device
Barring, the extension access restriction factor) when core net or Wireless network congestion, network can be selected to mark EAB's
The access control of making choice property of terminal.EAB is broadcasted by SIB14, and access control parameter can be that UE is unit or one
Group UE is unit.Purpose is controlled to carry out the access of different stage to single or one group of MTC terminal.EAB mechanism purpose
It is on the premise of terminal AC number of levels is not expanded, additionally configures a set of control for new type terminal (or business) and join
Number, to play the purpose to MTC terminal micro-stepping control.EAB mechanism designs on the basis of existing ACB mechanism, can lead to
Cross the superposition to EAB and ACB to use, realize access congestion control.
And in electric system, Internet of Things is mainly used for the power information collection low to the insensitive rate requirement of time delay
Business, such as remote meter reading.This kind of terminal quantity is numerous, and distribution density is higher.Although honeycomb Internet of Things network side is directed to congestion
Certain enhancing has been done in control, but needs to take into account ordinary terminal and MTC internet-of-things terminals, and Internet of Things electric power terminal is particularly all
Access interference once occurs for phase reporting terminal, can increase the number of attempt of internet-of-things terminal access network and increase terminal activation etc.
Treat the time span accessed again, and then add power consumption, reduce terminal standby time (when 5G Internet of Things requires terminal standby
Between reach 10 years).
The content of the invention
The invention discloses a kind of 5G Internet of Things electric power data acquisition terminal access controlling method, this method is according to electric power number
Stand-by period during according to collection MTC terminal report cycle and re-accessing network, by increasing a random offset, to the cycle
The interval reported is adjusted, and the network insertion stand-by period is adjusted, and reduces the collision probability of terminal concurrence access,
The congestion control mechanism of existing network is not changed at the same time.
The present invention specifically comprises the following steps：
Step 1, for electric power internet of things data acquisition terminal when network to be accessed, background application system is (such as：Terminal management system
System, terminal monitoring data collecting system, system state data acquisition system) configuration cycle reports the electric power Internet of Things of gathered data
The report cycle of data collection station, electric power internet of things data acquisition terminal according to pre-set time migration variance (when
Between offset variation can when equipment is produced and dispatched from the factory write device), produce the random time offset for the Gaussian Profile that average is 0
Amount, report cycle is superimposed to by time offset；
Step 2, electric power internet of things data acquisition terminal sets timer, waiting timer according to the report cycle after adjustment
Network is accessed after timing, uploads gathered data.
Electric power internet of things data acquisition terminal described in step 1 is divided into two classes, and one kind is the terminal of periodic report measurement data,
It waits identical time interval to access network repeatedly；The stand-by period accessed again is waited after the another kind of congestion for access, is wrapped
During stand-by period EWT (Extended WaitTime, extend the stand-by period) and wireless network congestion when including core network congestion etc.
Treat time ACBT (ACBT, Access Class Barring Time).
For the terminal of periodic report measurement data, it reports cycle T to be determined by system, data acquisition MTC
When (Machine-Type Communications, machine type communication) terminal reports access network every time, produce equal
It is worth for 0, variance σ2Random time offset τ (τ~N (0, σ of Gaussian Profile2)), time interval is adjusted to T+ τ by MTC.
For causing that MTC terminal etc. is to be accessed, and MTC terminal readjusts the stand-by period due to core net or wireless network congestion
EWT and ACBT, it is 0 to produce average, variance σ2Random time the offset τ, MTC of Gaussian Profile by wait access again when
Between be adjusted to EWT+ respectively | τ |, and ACBT+ | τ |.
In step 2, electric power internet of things data acquisition accessing terminal to network, when running into core network congestion, during with new wait
Between value EWT+ | τ | timer is set, electric power internet of things data acquisition terminal waiting timer timing terminates, re-accessing network,
Upload gathered data.
In step 2, electric power internet of things data acquisition accessing terminal to network, when running into wireless network congestion, during with new wait
Between value ACBT+ | τ | timer is set, electric power internet of things data acquisition terminal waiting timer timing terminates, re-accessing network,
Upload gathered data.
Beneficial effect：When the data collection station similarly configured under same cell there are numerous same models, this hair
Bright access interference caused by when can access network at the same time to avoid multiple terminals, and repetition access punching during re-accessing network
It is prominent.And data collection station with same period send gathered data when, avoid accessing the end of network at the same time at same time point
End quantity excessively causes system overload.
Brief description of the drawings
The present invention is done with reference to the accompanying drawings and detailed description and is further illustrated, it is of the invention above-mentioned or
Otherwise advantage will become apparent.
Congestion control stream when Fig. 1 establishes for Initial R RC (Radio Resource Control, wireless resource management) connections
Journey schematic diagram.
Fig. 2 is existing RRC connection congestion control flow diagrams.
Embodiment
The present invention will be further described with reference to the accompanying drawings and embodiments.
The invention discloses a kind of 5G Internet of Things electric power data acquisition terminal access controlling method, include the following steps：
Step 1, for electric power internet of things data acquisition terminal when network to be accessed, background application system is (such as：Terminal management system
System, terminal monitoring data collecting system, system state data acquisition system) configuration cycle reports the electric power Internet of Things of gathered data
The report cycle of data collection station, electric power internet of things data acquisition terminal is according to the time migration variance pre-set, production
The random time offset for the Gaussian Profile that a raw average is 0, report cycle is superimposed to by time offset；
Step 2, electric power internet of things data acquisition terminal sets timer, waiting timer according to the report cycle after adjustment
Network is accessed after timing, uploads gathered data.
Electric power internet of things data acquisition terminal described in step 1 is divided into two classes, and one kind is the terminal of periodic report measurement data,
It waits identical time interval to access network repeatedly；The stand-by period accessed again is waited after the another kind of congestion for access, is wrapped
During stand-by period EWT (Extended Wait Time, extend the stand-by period) and wireless network congestion when including core network congestion
Stand-by period ACBT (Access Class Barring Time, access level restriction time).
For the terminal of periodic report measurement data, it reports cycle T to be determined by system, data acquisition MTC
When (Machine-Type Communications, machine type communication) terminal reports access network every time, produce equal
It is worth for 0, variance σ2Random time offset τ (τ~N (0, σ of Gaussian Profile2)), time interval is adjusted to T+ τ by MTC.
For causing that MTC terminal etc. is to be accessed, and MTC terminal readjusts the stand-by period due to core net or wireless network congestion
EWT and ACBT, it is 0 to produce average, variance σ2Random time the offset τ, MTC of Gaussian Profile by wait access again when
Between be adjusted to EWT+ respectively | τ |, and ACBT+ | τ |.
In step 2, electric power internet of things data acquisition accessing terminal to network, when running into core network congestion, during with new wait
Between value EWT+ | τ | timer is set, electric power internet of things data acquisition terminal waiting timer timing terminates, re-accessing network,
Upload gathered data.
In step 2, electric power internet of things data acquisition accessing terminal to network, when running into wireless network congestion, during with new wait
Between value ACBT+ | τ | timer is set, electric power internet of things data acquisition terminal waiting timer timing terminates, re-accessing network,
Upload gathered data.
Embodiment
As depicted in figs. 1 and 2, when core network mobility management excessively causes overload due to terminal quantity, instruction is passed through
Signals base low priority accesses.RRC connection access request refusal of the base station for terminal, and feed back the EWT stand-by period.Terminal
Increase random offset on the basis of EWT, after the stand-by period, re-start RRC connection request.When terminal RRC connections
In the presence of, and core network mobility management become overloaded, then base station discharges the RRC connections of low priority terminal.Terminal is waited with EWT
Based on increase random offset time after, re-establish RRC access requests.The invention discloses a kind of 5G Internet of Things electric power
Data collection station connection control method, specially according to the time interval of the networks to be accessed such as MTC terminal activation, random increase
One time offset so that the time of different terminals access network produces fine difference, and then reduces the terminal concurrently accessed
Quantity.The terminal access stand-by period is broadly divided into two classes, and one kind is the terminal of periodic report measurement data, when it waits identical
Between be spaced and access network repeatedly；The stand-by period accessed again is waited after the another kind of congestion for access, including during core network congestion
Stand-by period EWT and stand-by period ACBT during wireless network congestion.
For the terminal of periodic report measurement data, it reports cycle T to be determined by system, and MTC terminal reports access every time
During network, it is 0 to produce average, variance σ2Time interval is adjusted to T+ τ by random time the offset τ, MTC of Gaussian Profile.
Variances sigma is determined according to MTC terminal quantity N and report cycle T, if value is T/N.
For causing that MTC terminal etc. is to be accessed, and MTC terminal readjusts the stand-by period due to core net or wireless network congestion
EWT and ACBT, it is 0 to produce average, variance σ2Random time the offset τ, MTC of Gaussian Profile by wait access again when
Between be adjusted to EWT+ | τ |, and ACBT+ | τ |.Variances sigma value can be true by number of terminals, system wireless resource and core net disposal ability
It is fixed, if value is several seconds.
The present invention provides a kind of 5G Internet of Things electric power data acquisition terminal access controlling method, the technical side is implemented
The method and approach of case are very much, and the above is only the preferred embodiment of the present invention, it is noted that for the art
For those of ordinary skill, various improvements and modifications may be made without departing from the principle of the present invention, these improvement
Protection scope of the present invention is also should be regarded as with retouching.The available prior art of each part being not known in the present embodiment is subject to
Realize.
Claims (6)
1. a kind of 5G Internet of Things electric power data acquisition terminal access controlling method, it is characterised in that include the following steps：
Step 1, for electric power internet of things data acquisition terminal when network to be accessed, background application system configuration cycle reports collection number
According to electric power internet of things data acquisition terminal report cycle, electric power internet of things data acquisition terminal according to pre-set when
Between offset variation, produce the random time offset for the Gaussian Profile that average is 0, time offset be superimposed to and reports week
Phase；
Step 2, electric power internet of things data acquisition terminal sets timer, waiting timer timing according to the report cycle after adjustment
After access network, upload gathered data.
2. according to the method described in claim 1, it is characterized in that, electric power internet of things data acquisition terminal is divided into described in step 1
Two classes, one kind are the terminals of periodic report measurement data, it waits identical time interval to access network repeatedly；Another kind of is to connect
Enter and the stand-by period accessed again is waited after congestion, including during stand-by period EWT and wireless network congestion during core network congestion
Stand-by period ACBT.
3. according to the method described in claim 2, it is characterized in that, terminal for periodic report measurement data, it reports week
Phase, T was determined by system, and when data acquisition MTC terminal reports access network every time, it is 0 to produce average, variance σ2Gaussian Profile
Random time offset τ, MTC time interval is adjusted to T+ τ.
4. according to the method described in claim 3, it is characterized in that, for causing MTC whole due to core net or wireless network congestion
End etc. is to be accessed, and MTC terminal readjusts stand-by period EWT and ACBT, and it is 0 to produce average, variance σ2Gaussian Profile with
Machine time offset τ, MTC will wait the time accessed again to be adjusted to EWT+ respectively | τ |, and ACBT+ | τ |.
5. according to the method described in claim 4, it is characterized in that, in step 2, electric power internet of things data acquisition terminal accesses net
Network, when running into core network congestion, with new latency value EWT+ | τ | timer, electric power internet of things data acquisition terminal are set
Waiting timer timing terminates, re-accessing network, uploads gathered data.
6. according to the method described in claim 4, it is characterized in that, in step 2, electric power internet of things data acquisition terminal accesses net
Network, when running into wireless network congestion, with new latency value ACBT+ | τ | timer, electric power internet of things data acquisition terminal are set
Waiting timer timing terminates, re-accessing network, uploads gathered data.
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| CN201711076585.5A CN107969015A (en) | 2017-11-06 | 2017-11-06 | A kind of 5G Internet of Things electric power data acquisition terminal access controlling method |
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Cited By (11)
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| CN109448250A (en) * | 2018-12-19 | 2019-03-08 | 重庆前卫克罗姆表业有限责任公司 | Call time dynamic selection method and narrowband Intelligent gas meter based on internet of things in a kind of data |
| WO2019214683A1 (en) * | 2018-05-11 | 2019-11-14 | 华为技术有限公司 | Communication method and apparatus |
| CN110460534A (en) * | 2019-07-26 | 2019-11-15 | 腾讯云计算（北京）有限责任公司 | A kind of request message report method, device, equipment and storage medium |
| CN110719230A (en) * | 2018-07-13 | 2020-01-21 | 中兴通讯股份有限公司 | Peak staggering interval adjusting method and device and computer readable storage medium |
| CN111740886A (en) * | 2020-06-12 | 2020-10-02 | 青岛恒星科技学院 | 5G Internet of things power acquisition terminal access control method |
| CN112218273A (en) * | 2019-07-09 | 2021-01-12 | 中国电信股份有限公司 | Terminal uplink data distribution control method, device and system |
| CN112398928A (en) * | 2020-11-04 | 2021-02-23 | 广东源泉科技有限公司 | Operation method of Internet of things equipment software |
| CN112566145A (en) * | 2019-09-25 | 2021-03-26 | 深圳市中兴微电子技术有限公司 | Congestion control method and device, computer storage medium and terminal |
| CN112769707A (en) * | 2019-11-04 | 2021-05-07 | 成都鼎桥通信技术有限公司 | Method, device and system for preventing congestion in Internet of things |
| CN114237874A (en) * | 2021-11-29 | 2022-03-25 | 国网浙江省电力有限公司营销服务中心 | A load balancing method for directly connected IoT platform |
| CN116545927A (en) * | 2023-05-04 | 2023-08-04 | 北京睿芯高通量科技有限公司 | Flow control method for Internet of things equipment under narrow bandwidth network |
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| WO2019214683A1 (en) * | 2018-05-11 | 2019-11-14 | 华为技术有限公司 | Communication method and apparatus |
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| CN110719230A (en) * | 2018-07-13 | 2020-01-21 | 中兴通讯股份有限公司 | Peak staggering interval adjusting method and device and computer readable storage medium |
| CN109448250A (en) * | 2018-12-19 | 2019-03-08 | 重庆前卫克罗姆表业有限责任公司 | Call time dynamic selection method and narrowband Intelligent gas meter based on internet of things in a kind of data |
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| CN110460534B (en) * | 2019-07-26 | 2024-05-14 | 腾讯云计算（北京）有限责任公司 | Method, device, equipment and storage medium for reporting request message |
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| CN112566145A (en) * | 2019-09-25 | 2021-03-26 | 深圳市中兴微电子技术有限公司 | Congestion control method and device, computer storage medium and terminal |
| CN112769707A (en) * | 2019-11-04 | 2021-05-07 | 成都鼎桥通信技术有限公司 | Method, device and system for preventing congestion in Internet of things |
| CN112769707B (en) * | 2019-11-04 | 2022-11-04 | 成都鼎桥通信技术有限公司 | Method, device and system for preventing congestion in Internet of things |
| CN111740886A (en) * | 2020-06-12 | 2020-10-02 | 青岛恒星科技学院 | 5G Internet of things power acquisition terminal access control method |
| CN112398928B (en) * | 2020-11-04 | 2024-04-16 | 广东源泉科技有限公司 | Operation method of Internet of things equipment software |
| CN112398928A (en) * | 2020-11-04 | 2021-02-23 | 广东源泉科技有限公司 | Operation method of Internet of things equipment software |
| CN114237874A (en) * | 2021-11-29 | 2022-03-25 | 国网浙江省电力有限公司营销服务中心 | A load balancing method for directly connected IoT platform |
| CN114237874B (en) * | 2021-11-29 | 2025-01-10 | 国网浙江省电力有限公司营销服务中心 | A load balancing method for a direct-connected Internet of Things platform |
| CN116545927B (en) * | 2023-05-04 | 2024-02-06 | 北京中科通量科技有限公司 | Flow control method for Internet of things equipment under narrow bandwidth network |
| CN116545927A (en) * | 2023-05-04 | 2023-08-04 | 北京睿芯高通量科技有限公司 | Flow control method for Internet of things equipment under narrow bandwidth network |
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Address after: 210019 No. 58 East Street, Nanxi River, Jianye District, Nanjing, Jiangsu Applicant after: Zhong Tong clothing consulting and Design Research Institute Co., Ltd. Address before: 210019 No. 58 East Street, Nanxi River, Jianye District, Nanjing, Jiangsu Applicant before: Jiangsu Posts & Telecommunications Planning and Designing Institute Co., Ltd. |
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Application publication date: 20180427 |