CN106941712A - A kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station - Google Patents
A kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station Download PDFInfo
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- CN106941712A CN106941712A CN201710325631.4A CN201710325631A CN106941712A CN 106941712 A CN106941712 A CN 106941712A CN 201710325631 A CN201710325631 A CN 201710325631A CN 106941712 A CN106941712 A CN 106941712A
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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
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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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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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
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Abstract
The present invention relates to a kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station, belong to mobile communication technology field.This method is predicted to the business arrival rate in a Microcell first, and the park mode and sleep time control parameter of Microcell are determined according to the business arrival rate in the next moment Microcell predicted.When the service buffer of micro-base station is space-time, micro-base station is into the sleep window of a length of t at one, and the business reached during micro-base station dormancy is by macro base station collaborative process；At the end of sleep window, micro-base station can judge whether to return to activation pattern according to now accumulation situation of the intra-cell traffic in macro base station side；If macro base station assists the micro-base station to handle all business, micro-base station enters next sleep window；If macro base station does not assist the micro-base station to handle all business, micro-base station enters activation pattern, the dormancy again when not having service request in the cell.
Description
Technical field
The invention belongs to mobile communication technology field, it is related to a kind of micro-base station section cooperated based on traffic forecast and macro base station
Can method.
Background technology
Wireless communication system is obtaining development at full speed nearly ten years.Due to the popularization of smart machine, data traffic increases
Long very rapid, the number of devices of following access to communication networks will increase by geometric progression, also can be anxious to electric power energy requirements
Speed increase.In order to solve this problem, many scholars propose the concept of " green communications ", i.e., by studying various Energy Saving Strategies
To reduce the energy consumption in network, network energy efficiency is improved.
In a communication network, most energy consumption is all in base station side, wherein the energy consumption more than 50% is in incoming end.There are data
Point out, energy consumption cost occupies the 18% of the whole cost payout of operator in European market, and then accounts for 32% in India Market.Cause
The solution of high energy efficiency problem is not only the very big contribution to environmental protection cause in this communication network, is also that operator's cost is reduced
Effective behave, thus many experts and scholars of the communications industry are devoted to the method that research improves network energy efficiency.
It presently, there are many base station energy-saving methods, such as base station shut-off power-economizing method, i.e., using the current business number in base station
Measure to decide whether to enter resting state.The business threshold value N that a base station is closed specially is determined, when BTS service has been handled
Afterwards, into resting state；Hereafter the business for reaching base station all waits in line processing in the buffer, when the business queued up in caching
When quantity reaches threshold value N, processing business is opened in base station；Micro-base station enters resting state again after having handled business.Again
Such as base station collaboration shut-off power-economizing method under intensive scene, i.e., some neighbouring micro-base stations are regarded into a cluster, in whole cluster
In user can switch mutually, by this current cluster of record number of services number determine micro- base in whole cluster
The quantity for opening of standing.
But in some current power-saving mechanisms, due to number of services can only round numbers, be likely to result in best accumulated door
Limit is discontinuous, it is impossible to obtain optimal energy-saving effect, while the business first reached is produced in the presence of the phenomenon compared with long time delay, to system
Performance is affected greatly；And when not having base station collaboration, easily causing the time delay of business oversize causes to influence Consumer's Experience
Consequence, and different control parameters can not be used for different business situation, so that the energy-conservation of system can not be improved further
Performance and delay performance.
The content of the invention
In view of this, it is an object of the invention to provide a kind of micro-base station energy-conservation cooperated based on traffic forecast and macro base station
Method, the first portfolio to next moment are predicted, and macro base station is cooperated with micro-base station.When micro-base station does not have business
When processing, into the sleep window of a certain time length.Simultaneously in sleep window, the business of arrival is cooperated by macro base station
Processing.When a closing window terminates, micro-base station will determine whether to enter next closing window.If in judgement
At the moment, find there is business to be queued up in micro-base station side in now micro-base station coverage.Then micro-base station is opened, by the Microcell scope
Interior business is handled by micro-base station.If at the judgement moment, finding there is no business micro-base station row in now micro-base station coverage
Team, then micro-base station enter next closing window.
A kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station, is comprised the following steps：
S1：The working time of micro-base station is divided into several time slots, micro-base station is predicted using wavelet-neural network model
The business arrival rate of next time slot Microcell；
S2：The mode of operation of micro-base station is divided into activation pattern and park mode, original state is activation pattern；According to industry
The prediction for arrival rate of being engaged in and Time Delay of Systems restrictive condition select the mode of operation of micro-base station；
S3：When micro-base station is in activation pattern, the business in Microcell is handled by micro-base station；When micro-base station is in dormancy
During pattern, optimal sleep time is calculated, the business in park mode, Microcell is selected by macro base station collaborative process.
Further, the park mode includes either shallow park mode, deep power down mode and close pattern；Every kind of Working mould
Energy consumption under formula is reduced successively, and the response time for returning to activation pattern raises successively.
Further, the close pattern, deep power down mode, the selection priority of either shallow park mode are reduced successively.
Further, the micro-base station can only select a kind of park mode in a time slot.
Further, the park mode is specially：When the service buffer of micro-base station is space-time, micro-base station enters a duration
For t sleep window, the business reached during micro-base station dormancy is by macro base station collaborative process；It is micro- at the end of sleep window
Base station can judge whether to return to activation pattern according to now accumulation situation of the intra-cell traffic in macro base station side；If macro base station is assisted
The micro-base station is helped to handle all business, then micro-base station enters next sleep window；If macro base station does not assist the micro-base station
All business are handled, then micro-base station enters activation pattern, the dormancy again when not having service request in the cell.
Further, the park mode of the micro-base station is specially：Micro-base station only has the necessary device work in part, it is impossible to
The user serviced provides data, services；The activation pattern of the micro-base station is：All devices are in opening, can be to being taken
User's downlink transmission data of business.
Further, the transmission power of the micro-base station meets the geographic area of its radiation not less than the minimum business biography of mobile station
The summation in the region of defeated requirement.
Further, the optimal sleep time of the micro-base station by wavelet-neural network model to next time slot services arrival rate
Prediction and business average delay constraint determine.
Further, the prediction and Time Delay of Systems restrictive condition according to business arrival rate selects the mode of operation of micro-base station
Specially：Micro-base station is after a sleep window t is determined, if can be completed within the t times from park mode to activation pattern
Switching, then micro-base station enter park mode, otherwise will not enter park mode.
The beneficial effects of the present invention are：The present invention cooperates and controlled micro-base station dormancy time with micro-base station using macro base station
The mode that parameter is combined, the volume type to business is predicted, and selects the mode of operation of micro-base station, before business change
The micro-base station running parameter of next time slot is controlled in advance, is finally reached the purpose for improving energy-conservation gain.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 provides the network topology structure figure that micro-base station is in active mode for the present invention；
Fig. 2 provides the network topology structure figure that micro-base station is in park mode for the present invention；
Fig. 3 is the prediction model based on wavelet neural network block diagram that proposes in the present invention；
Fig. 4 is the macro base station flow chart of the cooperation shut-off power-economizing method proposed in the present invention；
Fig. 5 is the micro-base station flow chart of the cooperation shut-off power-economizing method proposed in the present invention；
Fig. 6 is overall flow figure of the invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Fig. 1 is micro-base station active mode lower network topology diagram provided in an embodiment of the present invention, as illustrated, at this
In inventive embodiments, a macrocell includes a macro base station and several micro-base stations.In highly dense scene, there are several heat
Point, each hot spot region there may be several micro-base stations.User can be between micro-base station and macro base station, micro-base station and micro- base
According to certain regular free switching between standing.Region A represents the region that macro base station can be serviced in figure, and region B represents some
The region that micro-base station can be serviced.In micro-base station, its regional extent represents that the current micro-base station is in open mode for solid line.
Fig. 2 is micro-base station park mode lower network topology diagram provided in an embodiment of the present invention, as illustrated, at this
In inventive embodiments, a macrocell includes a macro base station and several micro-base stations.In highly dense scene, there are several heat
Point, each hot spot region there may be several micro-base stations.User can be between micro-base station and macro base station, micro-base station and micro- base
According to certain regular free switching between standing.Region A represents the region that macro base station can be serviced in figure, and region B represents some
The region that micro-base station can be serviced.In micro-base station, its regional extent represents the current micro-base station in a dormant state for dotted line.
Fig. 3 be the embodiment of the present invention traffic forecast in the case of macro base station cooperated with micro-base station, wavelet neural network prediction
Illustraton of model.Input layer contains four expression predicted values in the present invention, is made according to the value of leading slots；Hidden layer contains seven
Individual node；Output layer contains a node.
Fig. 6 is the overall flow figure of the method for the invention, and wherein step, which can be sketched, is：
Step 1：Micro-base station uses the forecast model after study under according to the value of the above business arrival rate of four time slots
The business arrival rate of individual time slot is predicted；
Step 2：According to micro-base station in the prediction of business arrival rate and Time Delay of Systems restrictive condition calculating current time slots most
Good sleep time；
Step 3：The optimal sleep time of micro-base station that is obtained according to step 2 selects the park mode of micro-base station；
Step 4：According to the obtained micro-base station dormancy of step 1-3 and cooperation parameter, micro-base station is with macro base station in next time slot
It is initially that as shown in Figure 4, Figure 5, it is concretely comprised the following steps just according to these parameter collaborative process data：
Step 4A：Macro base station is synchronous in time with micro-base station, and in time slot start time, micro-base station coverage does not have industry
Business request, therefore micro-base station enters a sleep window phase with certain time length.When sleep window starts, system is obtained
The time span of this sleep window is arrived, this time span can be constant (i.e. each sleep window time span phase
The random number produced together) or with certain rule.
When micro-base station is in park mode, micro-base station can not processing business.Now original micro-base station service area
The business in domain, request macro base station processing.
Step 4B：Cell macro base station is constantly in open mode, is closed when micro-base station is in one in window, there is new industry
When business is reached, business reaches macro base station side.
Now in intensive scene, the service request under all micro-base stations in a dormant state is suitable according to time order and function
Sequence is in macro base station queuing receiving service.
Step 4C：It is in micro-base station and closes window phase, the new business for reaching macro base station is by macro base station collaborative process.
Step 4D：Micro-base station will make decisions after certain sleep window terminates in this finish time, certainly
Determine whether micro-base station is opened.
Judgment condition is：At the end of micro-base station dormancy, if there is business waiting base station processing.Here business is to belong to
Service request in this micro-base station process range.
Court verdict is "Yes"：Then following micro-base station will be opened.
Court verdict is "No"：Then following micro-base station will enter the micro-base station sleep window of next certain time length.
Step 4E：After micro-base station closing, whether micro-base station is to opening base station and judging, court verdict is "Yes", micro-
Base station, which is opened, enters activation pattern.
Now, all modules of micro-base station will all be opened, and receive the control information of macro base station.Will be currently without having handled
Business all handled by micro-base station.And the time sequencing queuing still according to beginning is handled by micro-base station.
Step 4F：When micro-base station is opened, newly arrived low capacity business directly reaches micro-base station.
Step 4G：Enter next sleep window after micro-base station has handled currently all business.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (9)
1. a kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station, it is characterised in that：This method includes following
Step：
S1：The working time of micro-base station is divided into several time slots, micro-base station predicts next using wavelet-neural network model
The business arrival rate of individual time slot Microcell；
S2：The mode of operation of micro-base station is divided into activation pattern and park mode, original state is activation pattern；Arrived according to business
Prediction and Time Delay of Systems restrictive condition up to rate select the mode of operation of micro-base station；
S3：When micro-base station is in activation pattern, the business in Microcell is handled by micro-base station；When micro-base station is in park mode
When, optimal sleep time is calculated, the business in park mode, Microcell is selected by macro base station collaborative process.
2. a kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station as claimed in claim 1, its feature is existed
In：The park mode includes either shallow park mode, deep power down mode and close pattern；Energy consumption under every kind of mode of operation according to
Secondary reduction, the response time for returning to activation pattern raises successively.
3. a kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station as claimed in claim 2, its feature is existed
In：The close pattern, deep power down mode, the selection priority of either shallow park mode are reduced successively.
4. a kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station as claimed in claim 1, its feature is existed
In：The micro-base station can only select a kind of park mode in a time slot.
5. a kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station as claimed in claim 1, its feature is existed
In：The park mode is specially：When the service buffer of micro-base station is space-time, dormant window of the micro-base station into a length of t at one
Mouthful, the business reached during micro-base station dormancy is by macro base station collaborative process；At the end of sleep window, micro-base station can be according to this
When accumulation situation of the intra-cell traffic in macro base station side judge whether to return to activation pattern；If macro base station is assisted at the micro-base station
All business are managed, then micro-base station enters next sleep window；If macro base station does not assist the micro-base station to handle all industry
Business, then micro-base station enters activation pattern, the dormancy again when not having service request in the cell.
6. a kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station as claimed in claim 1, its feature is existed
In：The park mode of the micro-base station is specially：Micro-base station only has the necessary device work in part, it is impossible to the user serviced
Data, services are provided；The activation pattern of the micro-base station is：All devices are in opening, can be descending to the user serviced
Transmit data.
7. a kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station as claimed in claim 1, its feature is existed
In：The transmission power of the micro-base station meets region of the geographic area not less than the minimum business transmission requirement of mobile station of its radiation
Summation.
8. a kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station as claimed in claim 5, its feature is existed
In：Prediction and business of the optimal sleep time of micro-base station by wavelet-neural network model to next time slot services arrival rate
Average delay constraint determine.
9. a kind of micro-base station power-economizing method cooperated based on traffic forecast and macro base station as claimed in claim 1, its feature is existed
In：It is described according to business arrival rate prediction and Time Delay of Systems restrictive condition selection micro-base station mode of operation be specially：Micro- base
Stand after a sleep window t is determined, it is micro- if the switching from park mode to activation pattern can be completed within the t times
Base station enters park mode, otherwise will not enter park mode.
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Cited By (7)
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| CN109996246A (en) * | 2017-12-30 | 2019-07-09 | 中国移动通信集团辽宁有限公司 | Power-economizing method, device, equipment and the medium of base station cell |
| CN111487579A (en) * | 2019-01-28 | 2020-08-04 | 上海七桥机器人有限公司 | Ranging method and device for movable device |
| CN112492667A (en) * | 2020-10-22 | 2021-03-12 | 中通服咨询设计研究院有限公司 | Data processing method, system and controller based on intelligent base station |
| CN112533270A (en) * | 2020-12-16 | 2021-03-19 | 中国联合网络通信集团有限公司 | Base station energy-saving processing method and device, electronic equipment and storage medium |
| CN114554576A (en) * | 2021-12-28 | 2022-05-27 | 中国电信股份有限公司 | Energy-saving method and device and macro base station |
| CN114760677A (en) * | 2022-04-20 | 2022-07-15 | 中国移动通信集团广东有限公司 | Energy-saving method and device for micro-station room in different scenes |
| CN117880938A (en) * | 2022-11-15 | 2024-04-12 | 中兴通讯股份有限公司 | Power supply energy-saving control method, device and system for communication equipment |
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| CN114760677A (en) * | 2022-04-20 | 2022-07-15 | 中国移动通信集团广东有限公司 | Energy-saving method and device for micro-station room in different scenes |
| CN117880938A (en) * | 2022-11-15 | 2024-04-12 | 中兴通讯股份有限公司 | Power supply energy-saving control method, device and system for communication equipment |
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Application publication date: 20170711 |