CN106162837A - Interchanger, power-supply management system and method for managing power supply thereof - Google Patents
Interchanger, power-supply management system and method for managing power supply thereof Download PDFInfo
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- CN106162837A CN106162837A CN201510153498.XA CN201510153498A CN106162837A CN 106162837 A CN106162837 A CN 106162837A CN 201510153498 A CN201510153498 A CN 201510153498A CN 106162837 A CN106162837 A CN 106162837A
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- access point
- interchanger
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- clients
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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
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
-
- 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
Abstract
The present invention relates to interchanger, power-supply management system and method for managing power supply thereof.This interchanger includes multiple module.It is interval that judge module judges whether the system time of interchanger belongs to Preset Time.If so, handover module switching interchanger is first mode, and sends the first switching signal of instruction first mode to multiple access points.Collection module collects the covering situation for multiple clients for each access point.Find module and from multiple access points, find out at least one first access point according to the covering situation of each access point.At least one second access point outside at least one first access point in adjusting module forbidden energy access point after the preset lime.
Description
Technical field
The present invention relates to a kind of interchanger, power-supply management system and method for managing power supply thereof.
Background technology
With the transition of scientific and technological progress and epoch, wireless network become already people life in can not or
The part lacking.In order to allow user can use wireless network more easily, many public places,
School and business organization all can provide wireless access point to allow user use.And in order to meet user's energy
Enough demands using network service whenever and wherever possible, the setting of wireless access point is healed and is become intensive.
When wireless access point by cloth build more and more intensive when, although user can be allowed to be able to advantageously go up
Net, but be likely to cause unnecessary power consumption at some time point.For example, at slack hours
In (for example, quitting time), because the user needing service is less, thus have a lot of wireless deposit
Take and a little leave unused so that most wireless access points all causes unnecessary electric power consumption in the case of underloading
Damage.Therefore, a kind of method how is developed so that wireless access point can reduce many at some time point
Remaining power loss, is one of those skilled in the art's subject under discussion of interest.
Content of the invention
In view of this, the present invention provides a kind of interchanger, power-supply management system and method for managing power supply thereof.
The method can be according to the execution of the average load situation of access point, the system time of access point and interchanger
Pattern determines the transmission scope of access point.Further, the method that the present invention proposes is held also by interchanger
The power management of line access point, can reduce access point when system time belongs to Preset Time interval
Power consumption.
The present invention provides a kind of interchanger, and this interchanger includes storage element, multiple port, power supply control
Unit and processing unit.Storage element records multiple module.Multiple ports couple multiple access point, its
In multiple access points multiple client of service.Power control unit provides individually multiple depositing by multiple ports
Take point source.Processing unit couples storage element, multiple port and power control unit, performs storage
Multiple modules in unit.Described module includes judge module, handover module, collection module, searching mould
Block and adjusting module.Judge module judges whether the system time of interchanger belongs to the first Preset Time district
Between.When system time belongs to the first Preset Time interval, handover module switching interchanger is first mode,
And send the first switching signal of instruction first mode to multiple access points.Collection module collects each access point
The covering situation for multiple clients being returned in response to the first switching signal.Find module according to respectively
The covering situation of access point find out from multiple access points be enough to service multiple client at least one
One access point.In adjusting module forbidden energy access point after the preset lime outside at least one first access point
At least one second access point.
The present invention provides a kind of power-supply management system.This power-supply management system includes multiple access point and friendship
Parallel operation.Multiple access points are in order to service multiple client.Interchanger provides individually access by multiple ports
Point source, and it is interval to judge whether the first system time belongs to the first Preset Time.When the first system time
When belonging to the first Preset Time interval, interchanger switches to first mode, and sends instruction first mode
First switching signal is to access point.Each access point covers for client in response to the first switching signal passback
Lid situation is to interchanger.Interchanger is found out from access point according to the covering situation of access point and is enough to service visitor
At least one first access point of family end.In forbidden energy access point, at least one first is deposited after the preset lime
At least one outside taking a little the second access point.
The present invention provides a kind of method of power management, it is adaptable to include interchanger and the electricity of multiple access point
Management system.The method includes following multiple step: interchanger judges whether the first system time belongs to
First Preset Time is interval；When the first system time belongs to the first Preset Time interval, interchanger switches
For first mode, and send the first switching signal of instruction first mode to access point；Each access point responds
In the first switching signal passback for the covering situation of multiple clients to interchanger；Interchanger foundation is respectively deposited
Take covering situation a little from access point, find out at least one first access point that be enough to service client；With
And in these access points of forbidden energy, this outside this at least one first access point be extremely after a Preset Time
Few second access point.
Based on above-mentioned, the access point of the present invention according to the execution pattern of interchanger or access point itself can be
System time and loading condition determine to use the first scope or the second scope as its transmission scope.And
And, interchanger also can determine to need depositing of enable according to the transmission scope of systemic presupposition time interval, access point
Take a little, and the unwanted access point of forbidden energy part.
For the features described above of the present invention and advantage can be become apparent, special embodiment below, and combine
Accompanying drawing is described below in detail.
Brief description
Fig. 1 is based on the power-supply management system schematic diagram shown in one embodiment of the invention.
Fig. 2 is based on the flow process that the access point shown in one embodiment of the invention performs method for managing power supply
Figure.
Fig. 3 is based on the flow chart that the access point shown in Fig. 2 embodiment performs method for managing power supply.
Fig. 4 is based on the multiple access points shown in one embodiment of the invention and uses individually the first scope to make
Service the schematic diagram of multiple client for transmission scope respectively.
Fig. 5 is based on the multiple access points shown in one embodiment of the invention and uses individually the second scope to make
Service the schematic diagram of multiple client for transmission scope respectively.
Fig. 6 is based on the flow process that the interchanger shown in one embodiment of the invention performs method for managing power supply
Figure.
Fig. 7 is based on the execution flow process of the searching module shown in one embodiment of the invention and adjusting module
Figure.
Fig. 8 is based on being serviced multiple client respectively by part access point shown in one embodiment of the invention
The schematic diagram of end.
Reference numeral explanation
1～14: client
10: power-supply management system
100_1～100_n: access point
110th, 220: storage element
110_1: computing module
110_2: judge module
110_3: decision module
120th, 230: processing unit
200: interchanger
210_1～210_k: port
220_1: judge module
220_2: handover module
220_3: collection module
220_4: find module
220_5: adjusting module
240: power control unit
R1～R4: the first scope
R1 '～R4 ': the second scope
S210～S230, S310～S316, S331～S335, S610～S680, S710～S770:
Step
Detailed description of the invention
For most wireless access points (Access Point, AP) at some time point all in the feelings of underloading
The problem of the excrescent electric power consume being caused under condition, the access point of the present invention can be according to load situation and exchange
The execution mode adjustment of device transmits scope.The present invention also utilizes interchanger to perform the power management of access point.
Whereby, the power consumption of access point can be reduced when system time belongs to Preset Time interval.
With detailed reference to the one exemplary embodiment of the present invention, described one exemplary embodiment is described in the accompanying drawings
Example.In addition, in place of all possibility, drawings and the embodiments use the element/structure of identical label
Part represents same or like part.
Fig. 1 is based on the power-supply management system schematic diagram shown in one embodiment of the invention.At the present embodiment
In, power-supply management system 10 includes access point 100_1～100_n (n is positive integer) and interchanger
200.In an embodiment of the present invention, the embodiment of access point 100_1～100_n is all similar, therefore with
Under will introduce its characteristic as a example by access point 100_1.Access point 100_1 e.g. can provide wireless office
The wireless network access point of territory network (Wireless local area network, WLAN), but can not limit
In this.
Access point 100_1 includes storage element 110 and processing unit 120.Storage element 110 is for example
It is memory, hard disk or other any elements that can be used for storing data, and may be used to record multiple mould
Block.Processing unit 120 couples storage element 110.Processing unit 120 can for general service processing unit,
Specific use processing unit, traditional processing unit, digital signal processing unit, multiple microprocessing unit
(microprocessor), one or more Combination with Digital signal processing unit cores microprocessing unit,
Controller, microcontroller, ASIC (Application Specific Integrated Circuit,
ASIC), field programmable gate array (Field Programmable Gate Array, FPGA), any
Other kinds of integrated circuit, state machine, advanced reduced instruction set machine (Advanced RISC
Machine, ARM) processing unit and similar processing unit.
The 220th, interchanger 200 includes multiple port 210_1～210_k (k is positive integer), storage element
Processing unit 230 and power control unit 240.Interchanger 200 e.g. Ethernet interchanger,
But the invention is not restricted to this.Multiple port 210_1～210_k in order to connect access point 100_1～100_n,
And access point 100_1～100_n can service multiple client respectively.Each client e.g. smart mobile phone,
Tablet PC, notebook (Notebook PC) or other similar devices.Storage element
220 with the storage element 110 of the various possible implementation of processing unit 230 and access point 100_1
And processing unit 120 is similar, does not repeats them here.
In interchanger 200, processing unit 230 coupling port 210_1～210_k, storage element are the 220th,
And power control unit 240.Power control unit 240 can be in built-in or external power supply mode,
Access point 100_1～100_n power supply is provided.Built-in power control unit 240 is logical in Ethernet
Cross port 210_1～210_k to be directly connected to twisted-pair feeder access point 100_1～100_n electricity is provided individually
Source.This kind of Ethernet is powered (Power over Ethernet, POE) technology so that access point 100_1
～100_n can run without extra supply socket under the cable framework of Ethernet.And it is external
Power control unit 240 for example can by general AC or DC power supply electricity to access point 100_1～
100_n, but the present invention is not limited thereto.
Fig. 2 is based on the flow process that the access point shown in one embodiment of the invention performs method for managing power supply
Figure.The present embodiment propose method can by the access point 100_1～100_n of Fig. 1 any one of them
Implement, but the present embodiment for convenience of description, as a example by access point 100_1, power management is described below
The detailed step of method.In the present embodiment, the processing unit 120 of access point 100_1 can access storage
Computing module 110_1 stored by unit 110, judge module 110_2 and decision module 110_3 with
Perform each step of the method for managing power supply that the present invention proposes.
In step S210, computing module 110_1 calculates the average load situation in time interval.
In one embodiment, described time interval is predeterminable for very first time length (e.g. 1 hour), and
Computing module 110_1 can calculate average load situation in very first time length for the access point 100_1.Institute
State average load situation can include being connected to the average customer end number of access point 100_1, average frequency range with
And average load/utilization rate etc., but the invention is not restricted to this.
In step S220, it is judged that module 110_2 judge interchanger 200 whether be in first mode or
It is interval whether the second system time of access point 100_1 belongs to the second Preset Time, and produces judgement according to this
Result.
In one embodiment, the interchanger 200 of the present invention is at least changeable for first mode and the second pattern
(for example, battery saving mode and non-battery saving mode, but the invention is not restricted to this), in response to it first to be
The system time controls the power supply status supplied to access point 100_1～100_n or execution pattern.Described
One system time can be obtained its institute by interchanger 200 by network after interchanger 200 connects to network
Belong to the time instantly in time zone.In one embodiment, first is belonged to when the first system time of interchanger 200
Preset Time interval (for example, office's general quitting time, or other are by manager's sets itself
Time, but the invention is not restricted to this) when, interchanger 200 is changeable for first mode, and sends and refer to
Show the first switching signal CS1 of described first mode to access point 100_1～100_n.On the other hand,
When the first system time of interchanger 200 is not belonging to the first Preset Time interval, interchanger 200 can be cut
It is changed to the second pattern, and send the second switching signal CS2 indicating described second pattern to access point
100_1～100_n.
Additionally, access point 100_1 also can by network obtain time instantly in time zone belonging to it as its
The two system time, and it is interval, to control access to differentiate whether the second system time belongs to the second Preset Time
The transmission scope of some 100_1.Access point 100_1 can by this correct operation, timed delivery parallel operation 200 with
The system time of access point 100_1.During the interval e.g. office of described second Preset Time next
Between, or other are by the time of manager's sets itself, but the invention is not restricted to this.In one embodiment,
Exchange the first Preset Time interval and the second Preset Time interval can be set as according to considering of designer
Identical or different.
In step S230, decision module 110_3 determines based on average load situation and judged result
The transmission scope of access point 100_1.In one embodiment, described transmission scope is for example preset as the first model
Enclose, and decision module 110_3 can decide whether will to transmit model based on average load situation and judged result
Enclose the second scope of expanding as, or maintain the first scope.In order to illustrate in greater detail the thin of step S230
Joint, separately enumerates Fig. 3 below and illustrates.
Fig. 3 is based on the flow chart that the access point shown in Fig. 2 embodiment performs method for managing power supply.At this
In embodiment, the details of step S210 and S220 refer to the related description of Fig. 2, does not repeats them here.
Additionally, step S230 of Fig. 2 is more subdivided into step S310～S316 and the S331～S335 of Fig. 3.
After step S220, decision module 110_3 can judge described judged result in step S310
Whether indicate that interchanger 200 is in first mode or the second system time of access point 100_1 belongs to second
Preset Time is interval.If interchanger 200 is not at the second system of first mode and access point 100_1
Between to be also not belonging to the second Preset Time interval, then decision module 110_3 can proceed with step S311～
S316.If interchanger 200 is in first mode and/or the second system time of access point 100_1 belongs to
Second Preset Time is interval, then decision module 110_3 can proceed with step S331～S335.
In step S311, decision module 110_3 can the time interval of setting access point 100_1 be
One time span.Then, in step S312, decision module 110_3 can determine whether access point 100_1
Transmission scope whether be the first scope.If so, in step S313, decision module 110_3 can be sentenced
Whether the average load situation of disconnected access point 100_1 is less than first threshold.If so, in step S314,
The transmission scope of decision module 110_3 adjustable access point 100 is that (it is more than the first model to the second scope
Enclose).Afterwards, decision module 110_3 can return to step S210, to control computing module 110_1 again
Calculate the average load situation in time interval (that is, very first time length).
In one embodiment, the 50% of described first threshold e.g. system load, but the present invention does not limit
In this.In the case, when decision module 110_3 judges access point 100_1's in step S313
When average load situation is less than described first threshold, in the range of representing the transmission of current access point 100_1
Average load/the utilization rate of the quantity of client and/or access point 100_1 is relatively low.Therefore, decision module
The transmission scope that 110_3 can expand access point 100_1 in step S314 is the second scope, to cover
More client, and then make full use of the calculation resources of (fully exploit) access point 100_1.
On the other hand, if decision module 110_3 judges that in step S313 average load situation is not less than
Described first threshold, represent client in the range of the transmission of current access point 100_1 quantity and/or
Average load/the utilization rate of access point 100_1 is not too low.Therefore, decision module 110_3 can be direct
Return step S210, again calculate the average load in time interval to control computing module 110_1
Situation.
In other embodiments, if decision module 110_3 judges access point 100_1 in step S312
Transmission scope be not the first scope, decision module 110_3 can step S315 to judge access point
Whether the average load situation of 100_1 is higher than Second Threshold.If so, in step S316, mould is determined
The transmission scope of block 110_3 adjustable access point 100_1 is the first scope.Afterwards, decision module 110_3
Can return to step S210, again calculate the average negative of access point 100_1 to control computing module 110_1
Carry situation.
In one embodiment, the 90% of described Second Threshold e.g. system load, but the present invention does not limit
In this.In the case, when decision module 110_3 judges access point 100_1's in step S315
When average load situation is higher than described Second Threshold, in the range of representing the transmission of current access point 100_1
Average load/the utilization rate of the quantity of client and/or processing unit 120 is close fully loaded.Therefore, certainly
The transmission scope that cover half block 110_3 can reduce access point 100_1 in step S316 is the first scope,
With the less client of covering, and then mitigate the burden of access point 100_1.
On the other hand, if decision module 110_3 judges that in step S315 average load situation is not higher than
Described Second Threshold, represent client in the range of the transmission of current access point 100_1 quantity and/or
Average load/the utilization rate of processing unit 120 is not too high.Therefore, decision module 110_3 can be direct
Return step S210, again calculate the average load in time interval to control computing module 110_1
Situation.
In other embodiments, if decision module 110_3 judge interchanger 200 be in first mode and/
Or the second system time of access point 100_1 belongs to the second Preset Time interval, then decision module 110_3
Can step S331 to set time interval as the second time span (example less than very first time length
Such as 0.5 hour).It is to say, when interchanger 200 is in first mode and/or access point 100_1
When the second system time belongs to the second Preset Time interval (for example, quitting time), decision module 110_3
The observing time for calculating average load situation can be shortened, more immediately to adjust according to average load situation
Whole transmission scope.
Then, in step S332, decision module 110_3 recordable access point 100_1 is for multiple
The covering situation of client.For example, the recordable transmission scope institute energy instantly of decision module 110_3
The all clients enough covering.Afterwards, in step S333, decision module 110_3 can determine whether to deposit
Whether the transmission scope taking a 100_1 is the second scope.
When the transmission scope that decision module 110_3 judges access point 100_1 is not the second scope, in step
In rapid S334, the transmission scope of decision module 110_3 adjustable access point 100_1 is the second scope.
It is, when interchanger 200 is in the second system time genus of first mode and/or access point 100_1
When the second Preset Time is interval, owing to the client of required service instantly may be less, and distribution is also
Sparse, therefore transmission scope can be adjusted to the second bigger scope by decision module 110_3, to cover
More client.Afterwards, decision module 110_3 can return to step S210, to control computing module
110_1 calculates the average load situation in time interval (that is, the second time span) again.
But, if decision module 110_3 judges the transmission scope of access point 100_1 in step S333
Be the second scope, then decision module 110_3 can step S335 to return covering of access point 100_1
Lid situation is to after interchanger 200, and decision module 110_3 can return to step S210, to control calculating
Module 110_1 calculates the average load situation in time interval (that is, the second time span) again.
In short, the access point 100_1 of the embodiment of the present invention is not at first mode simultaneously at interchanger 200
And the second system time of access point 100_1 be not belonging to the second Preset Time interval when, access point 100_1
Average load situation in time interval for the observable, and determine according to this to use the first scope or the second scope
Transmit scope as it.And access point 100_1 is in first mode and/or access point at interchanger 200
When the second system time of 100_1 belongs to the second Preset Time interval, access point 100_1 can exercise use in footpath
Second scope transmits scope as it, to cover more client.It is to say, the access of the present invention
Point 100_1 can be according to the system time of the execution pattern of interchanger 200 or access point 100_1 itself
And average load situation reduces adaptively or expands transmission scope to provide service to client.
Fig. 4 is based on the multiple access points shown in one embodiment of the invention and uses individually the first scope to make
Service the schematic diagram of multiple client for transmission scope respectively.In this example, it is assumed that the 4th, n is
Interchanger 200 is not at the second system time of first mode and each access point 100_1～100_4 not
Belong to the second Preset Time interval (that is, non-quitting time), and each access point 100_1～100_4's is flat
Equal load situation is all higher than first threshold.Therefore, each access point 100_1～100_4 can use the first model
Enclose R1～R4 as its transmission scope, to cover client 1～14.
Refer to Fig. 5, Fig. 5 is based on the multiple access points shown in one embodiment of the invention and uses individually
Second scope services the schematic diagram of multiple client respectively as transmission scope.In the present embodiment, false
If interchanger now 200 is in first mode and/or the second system of each access point 100_1～100_4
It is interval that time belongs to the second Preset Time, and the 12nd, the 7th, the 6th, the 4th, the 2nd, client 13 (that is, marked with S
The client shown) it is turned off and/or present off-line state.Now, owing to only remaining client the 1st, the 3rd, the 5th,
8～11,14 need service, and therefore each access point 100_1～100_4 can use the second scope R1 '～R4 '
Transmit scope as it, with cover negligible amounts and be distributed sparse client the 1st, the 3rd, the 5th, 8～11,
14。
In one embodiment, in the case that access point 100_1～100_4 expands transmission scope, can
Can produce only need the part in access point 100_1～100_4 can cover client the 1st, the 3rd, the 5th, 8～
11st, the situation of 14.Now, the present invention propose interchanger 200 can by method introduced below come from
Access point 100_1～100_4 finds out and be enough to cover client and the 1st, the 3rd, the 5th, the first of 8～11,14 deposit
Take a little, and then some unwanted second access point in forbidden energy access point 100_1～100_4.Such one
Coming, interchanger 200 can make full use of the resource of the first access point, and save the second access point simultaneously
Power consumption.
Fig. 6 is based on the flow process that the interchanger shown in one embodiment of the invention performs method for managing power supply
Figure.In the present embodiment, the processing unit 230 of interchanger 200 can access stored by storage element 220
Judge module 220_1, handover module 220_2, collection module 220_3, find module 220_4 with
And adjusting module 220_5 is to perform each step of the method for managing power supply that the present embodiment proposes.
In step S610, it is judged that whether module 220_1 judges the first system time of interchanger 200
Belong to the first Preset Time interval.In the present embodiment, e.g. typically handle official business in the first Preset Time interval
The quitting time of room, or this has not been limited by other by the time of manager's sets itself, the present invention
System.
In step S620, when the first system time belongs to the first Preset Time interval, handover module
The changeable interchanger of 220_2 200 is first mode, and sends the first switching signal of instruction first mode
CS1 to access point 100_1～100_n.
In step S630, collection module 220_3 collects each access point 100_1～100_n in response to the
The covering situation for multiple clients that one switching signal CS1 is returned.In step S640, seek
Look for module 220_4 according to the covering situation of each access point 100_1～100_n from multiple access point 100_1
～100_n finds out at least one first access point that be enough to service multiple client.In step S650
In, in adjusting module 220_5 forbidden energy access point after the preset lime outside at least one first access point
At least one second access point.
In order to illustrate in greater detail step S640～S650, the present invention also in detail by step S640～
Step S710～S770 that S650 is subdivided into Fig. 7 illustrates, and the form in combination with Fig. 5 is entered
Row explanation.Fig. 7 is based on the execution stream of the searching module shown in one embodiment of the invention and adjusting module
Cheng Tu.Refer to Fig. 5 and Fig. 7, in step S710, find module 220_4 according to each access point
The covering situation of 100_1～100_4 finds out the particular clients being covered by minimum access point.
In the present embodiment, access point 100_1～100_4 is for client the 1st, the 3rd, the 5th, 8～11,14
Covering situation be represented by the form of table 1 below.For example, owing to client 1 only falls at access point
In the coverage of 100_1, therefore the row corresponding to client 1 only mark access point with symbol " V "
100_1.For by way of further example, owing to client 3 falls at the covering model of access point 100_1 and 100_2
In enclosing, therefore the row corresponding to client 3 only mark access point 100_1 and 100_2 with symbol " V ".
In table 1, the meaning on remaining hurdle should push away based on teaching herein, does not repeats them here.
Table 1
As can be seen from Table 1, client 1 and 5 is only covered by an access point (that is, access point 100_1)
Lid, therefore finds module 220_4 definable client 1 and 5 for the specific visitor being covered by minimum access point
Family end.
It follows that in step S720, find module 220_4 and deposit covering the multiple of particular clients
Find out the certain access point of cover-most client in taking a little, wherein certain access point be at least one first
One of them of access point.Continue referring to table 1, owing to particular clients 1 and 5 is only by access point
100_1 is covered, and finding module 220_4 setting access point 100_1 is certain access point.
In step S730, find module 220_4 mark certain access point and certain access point many
The subclass being covered in individual client.Refer to table 2, with bracket (that is, " [] ") mark in table 2
Certain access point (that is, access point 100_1) and its subset being covered in multiple clients are remembered
Close (that is, client the 1st, the 3rd, 5 and 14).
Table 2
In step S740, find module 220_4 and judge whether fully to mark multiple client.
Refer to table 2, owing to client 8～11 is not yet labeled, therefore find module 220_4 can continue into
Row step S750 is to get rid of certain access point and son respectively from multiple access points and multiple client
Set, and step S710 again.It is, find module 220_4 can get rid of access point 110_1
And client the 1st, the 3rd, 5 and 14 in the case of, step S710 again.
Referring once again to table 2, in the case of getting rid of the coverage of certain access point and subclass,
Owing to client 8 and 11 is only covered by access point 100_2 and 100_3, therefore find module 220_4
Definable client 8 and 11 is the particular clients (step S710) being covered by minimum access point.Connect
, in step S720, finding module 220_4 can select to cover in access point 100_2 and 100_3
Cover the access point 100_2 of most client as certain access point.Then, in step S730, seek
Look for module 220_4 can mark access point 100_2 and the subclass being covered in client 8～11 thereof
(that is, client 8～11), as shown in table 3.
Table 3
Then, in step S740, will determine that fully mark client owing to finding module 220_4
End the 1st, the 3rd, the 5th, 8～11 and 14, therefore adjusting module 220_5 can continue to distribute in step S760
Multiple clients (that is, client the 1st, the 3rd, the 5th, 8～11,14) are to labeled multiple access points (i.e.,
Access point 100_1 and 100_2) producing allocation result, and allocation result is informed multiple access point (i.e.,
Access point 100_1～100_4).It is to say, find module 220_4 from access point 110_1～110_4
In find out be enough to cover client the 1st, the 3rd, the 5th, access point 100_1 and 100_2 of 8～11,14 (i.e. first
Before the first access point of mentioning).In the present embodiment, owing to access point 100_3 and 100_4 is not marked
Note, is disabled even if this i.e. represents access point 100_3 and 100_4, client the 1st, the 3rd, the 5th, 8～11,
14 still can be covered by other access point.It is to say, access point 100_3 and 100_4 not being labeled
Belong to the second access point not needing unlatching/enable in the present embodiment.
Therefore, in step S770, adjusting module 220_5 can not marked forbidden energy after the preset lime
Multiple access points (that is, access point 100_3 and 100_4) of note.Described Preset Time e.g. 10 points
Clock or other are by the time span of manager's sets itself.In one embodiment, adjusting module 220_5
The mode of forbidden energy access point 100_3 and 100_4 e.g. stops being provided by port 210_3 and 210_4
Power supply is to access point 100_3 and 100_4, but the present invention can be not limited to this.Consequently, it is possible to interchanger 200
Can make full use of the resource of access point 100_1 and 100_2, and save simultaneously access point 100_3 and
The power consumption of 100_4.
In addition, according to allocation result, access point 100_3 and 100_4 also can inform that it is serviced originally
Client change being connected to one of them of access point 100_1 and 100_2 into.In one embodiment, deposit
Take 100_3 and 100_4 and also may be notified that its client being serviced will stop clothes after the preset lime
Business.
Refer to Fig. 8, Fig. 8 be based on shown in one embodiment of the invention by part access point (i.e.,
Access point 100_1 and 100_2) service respectively multiple client (that is, client the 1st, the 3rd, the 5th, 8～11,
14) schematic diagram.By above-mentioned steps, interchanger 200 ensure that and belongs to Preset Time at system time
All clients the 1st, the 3rd, the 5th, 8 are serviced with minimal number of access point 100_1 and 100_2 when interval
～11,14.
Referring once again to step S610 of Fig. 6, when judge module 220_1 judges to hand in step S610
When the first system time of parallel operation 200 is not belonging to the first Preset Time interval (that is, non-quitting time),
Interchanger 200 can step S660～S680.In step S660, handover module 220_2 can cut
Changing interchanger 200 is the second pattern (that is, non-battery saving mode).In step S670, handover module
220_2 can at least one second access point of forbidden energy in enable access point 100_1～100_n.Afterwards,
In step S680, handover module 220_2 can send the second switching signal CS2 of instruction the second pattern
To access point 100_1～100_n.
It is to say, when the first system time is not belonging to the first Preset Time interval, interchanger 200 can
Enable all of access point 100_1～100_n, to allow access point 100_1～more visitor of 100_n service
Family end.
In short, the interchanger 200 of the embodiment of the present invention can be according to the first system time, access point 100_1
The transmission scope of～100_n determines enable/forbidden energy access point 100_1～100_n.Consequently, it is possible to this
Invention guarantees can be with minimal number of access point when the first system time belongs to the first Preset Time interval
100_1～100_n services all clients, thus reaches the purpose of power saving.
In sum, the access point of the present invention can be according to the execution pattern of interchanger or the system time of itself
And loading condition determines to use the first scope or the second scope as its transmission scope, and then with suitableeer
When transmission scope to client provide service.Further, interchanger also can be according to the first system Preset Time
Transmission scope interval, access point determines to need the access point of enable, and the unwanted access point of forbidden energy part.
Accordingly, the interchanger of the present invention ensure that when the first system time belongs to the first Preset Time interval, fills
Divide the resource utilizing the access point being enabled, and save the power consumption being disabled access point simultaneously.
Although the present invention discloses as above with embodiment, but it is not limited to the present invention, Ren Heben
Skilled person without departing from the spirit and scope of the invention, can do a little change and retouching, therefore
Protection scope of the present invention should be as the criterion with the claim of the present invention.
Claims (20)
1. an interchanger, comprising:
One storage element, records multiple module；
Multiple ports, couple multiple access point, the wherein multiple client of these access points service；
One power control unit, provides individually these access point one power supplys by these ports；And
One processing unit, couples this storage element, these ports and this power control unit, and performing should
These modules in storage element, these modules include:
One judge module, it is judged that whether the first system time of this interchanger belongs to one first Preset Time
Interval；
One handover module, when this first system time belongs to this first Preset Time interval, switches this friendship
Parallel operation is a first mode, and sends one first switching signal indicating this first mode to these accesses
Point；
One collection module, collect each access point in response to this first switching signal returned for these
One covering situation of client；
One searching module, finds out from these access points according to this covering situation of each access point and be enough to take
At least one first access point of these clients of being engaged in；And
One adjusting module, this at least one first access in these access points of forbidden energy after a Preset Time
At least one outside Dian the second access point.
2. interchanger as claimed in claim 1, wherein when this first system time be not belonging to this first
When Preset Time is interval, this handover module be also configured to:
Switching this interchanger is one second pattern；
This at least one second access point of forbidden energy in these access points of enable；And
Send one second switching signal indicating this second pattern to these access points.
3. interchanger as claimed in claim 1, wherein this searching module is configured to:
Find out the particular clients being covered by minimum access point according to this covering situation of each access point；
Find out cover-most client in these access points covering this particular clients one specific deposits
Taking a little, wherein this certain access point is one of them of this at least one the first access point；
Mark this certain access point and a subset that this certain access point is covered in these clients
Close；And
Judge whether fully to mark these clients；
If it is not, get rid of this certain access point from these access points and these clients respectively and be somebody's turn to do
Subclass, and this covering situation again according to each access point finds out this spy being covered by minimum access point
Determine client；
If so, then this adjusting module is configured to:
Distribute these clients to these labeled access points producing an allocation result, and by this point
Join result and inform these access points；And
These access points that forbidden energy is not labeled after this Preset Time, wherein not labeled these
Access point is this at least one second access point.
4. a power-supply management system, comprising:
Multiple access points, service multiple client；And
One interchanger, provides individually these access point one power supplys by multiple ports, it is judged that a first system
It is interval whether the time belongs to one first Preset Time,
When this first system time belongs to this first Preset Time interval, this interchanger switches to one first
Pattern, and send one first switching signal indicating this first mode to these access points；
Each access point covers situation in response to the passback of this first switching signal for the one of these clients
To this interchanger；
This interchanger is found out from these access points according to this covering situation of each access point and is enough to service
At least one of these clients the first access point；And
After a Preset Time in these access points of forbidden energy outside this at least one first access point extremely
Few second access point.
5. system as claimed in claim 4, wherein when this first system time, to be not belonging to this first pre-
If during time interval, this interchanger be also configured to:
Switch to one second pattern；
This at least one second access point of forbidden energy in these access points of enable；And
Send one second switching signal indicating this second pattern to these access points.
6. system as claimed in claim 4, wherein each access point includes:
One storage element, records multiple module；And
One processing unit, couples this storage element, accesses and perform these modules in this storage element,
These modules include:
One computing module, calculates the average load situation in a time interval；
One judge module, it is judged that whether this interchanger is in the one second of this first mode or this access point
It is interval whether system time belongs to one second Preset Time, and produces a judged result according to this；And
One decision module, determines the one of this access point based on this average load situation and this judged result
Transmission scope.
7. system as claimed in claim 6, wherein this time interval is preset as a very first time length,
And this transmission scope is preset as one first scope.
8. system as claimed in claim 6, wherein when this judged result indicates that this interchanger is not at
When this second system time of this first mode and this access point is not belonging to this second Preset Time interval, should
Decision module is configured to:
Set this time interval as this very first time length；
Whether this transmission scope judging this access point is this first scope；
If so, judge whether this average load situation is less than a first threshold；
If it is not, control this computing module again calculate this average load situation；
If so, adjusting this transmission scope is one second scope, and controls this computing module and again count
Calculating this average load situation, wherein this second scope is more than this first scope.
9. system as claimed in claim 8, wherein when this decision module judges this biography of this access point
When sending scope not for this first scope, this decision module is configured to:
Judge whether this average load situation is higher than a Second Threshold；
If it is not, control this computing module again calculate this average load situation；
If so, adjusting this transmission scope is this first scope, and controls this computing module and again calculate this
Average load situation.
10. system as claimed in claim 6, wherein when this judged result indicates that this interchanger is in this
When this second system time of first mode or this access point belongs to this second Preset Time interval, this decision
Module is configured to:
Set this time interval as one second time span less than this very first time length；
Record is for a covering situation of multiple clients；And
Judge whether this transmission scope is this second scope；
If it is not, adjusting this transmission scope is this second scope, and controls this computing module and again calculate this
Average load situation；
If so, return this covering situation to this interchanger, and control this computing module and again calculate this and put down
Equal load situation.
11. systems as claimed in claim 4, wherein this interchanger is configured to:
Find out the particular clients being covered by minimum access point according to this covering situation of each access point；
Find out cover-most client in these access points covering this particular clients one specific deposits
Taking a little, wherein this certain access point is one of them of this at least one the first access point；
Mark this certain access point and a subset that this certain access point is covered in these clients
Close；And
Judge whether fully to mark these clients；
If it is not, get rid of this certain access point from these access points and these clients respectively and be somebody's turn to do
Subclass, and this covering situation again according to each access point finds out this spy being covered by minimum access point
Determine client；
If so, then this interchanger is configured to:
Distribute these clients to these labeled access points producing an allocation result, and should
Allocation result informs these access points；And
These access points that forbidden energy is not labeled after this Preset Time, wherein not labeled this
A little access points are this at least one second access point.
12. systems as claimed in claim 11, wherein each second access point is accused according to this allocation result
Know that its these clients being serviced change being connected to one of them of this at least one the first access point into,
Wherein, each second access point more inform its these clients being serviced will this Preset Time it
Rear stopping services.
The method of 13. 1 kinds of power managements, it is adaptable to include a power supply of an interchanger and multiple access point
Management system, comprising:
It is interval that this interchanger judges whether the first system time belongs to one first Preset Time；
When this first system time belongs to this first Preset Time interval, this interchanger switches to one first
Pattern, and send one first switching signal indicating this first mode to these access points；
Each access point covers situation in response to the passback of this first switching signal for the one of multiple clients
To this interchanger；
This interchanger is found out from these access points according to this covering situation of each access point and is enough to service
At least one of these clients the first access point；And
Being somebody's turn to do outside this at least one first access point in these access points of forbidden energy after a Preset Time
At least one second access point.
14. methods as claimed in claim 13, wherein when this first system time be not belonging to this first
When Preset Time is interval, also include:
This interchanger switches to one second pattern；
This at least one second access point of forbidden energy in this these access points of interchanger enable；And
This interchanger sends one second switching signal indicating this second pattern to these access points.
15. methods as claimed in claim 13, wherein each access point also includes:
Calculate the average load situation in a time interval；
Judge whether whether this interchanger be in the second system time of this first mode or this access point
Belong to one second Preset Time interval, and produce a judged result according to this；And
Determine a transmission scope of this access point based on this average load situation and this judged result.
16. methods as claimed in claim 15, wherein to be preset as a very first time long for this time interval
Spend, and this transmission scope is preset as one first scope.
17. methods as claimed in claim 15, wherein when this judged result indicates that this interchanger is not located
When being not belonging to this second Preset Time interval in this second system time of this first mode and this access point,
Determine the step bag of this transmission scope of this access point based on this average load situation and this judged result
Include:
Set this time interval as this very first time length；
Whether this transmission scope judging this access point is this first scope；
If so, judge whether this average load situation is less than a first threshold；
If it is not, control this computing module again calculate this average load situation；
If so, adjusting this transmission scope is one second scope, and controls this computing module and again calculate
This average load situation, wherein this second scope is more than this first scope.
18. methods as claimed in claim 17, wherein when judging this transmission scope of this access point not
During for this first scope, determine this biography of this access point based on this average load situation and this judged result
The step sending scope includes:
Judge whether this average load situation is higher than a Second Threshold；
If it is not, control this computing module again calculate this average load situation；
If so, adjusting this transmission scope is this first scope, and controls this computing module and again calculate this
Average load situation.
19. methods as claimed in claim 15, wherein when this judged result indicates that this interchanger is in
When this second system time of this first mode or this access point belongs to this second Preset Time interval, based on
This average load situation and this judged result determine that the step of this transmission scope of this access point includes:
Set this time interval as one second time span less than this very first time length；
Record is for a covering situation of multiple clients；And
Judge whether this transmission scope is this second scope；
If it is not, adjusting this transmission scope is this second scope, and controls this computing module and again calculate this
Average load situation；
If so, return this covering situation to this interchanger, and control this computing module and again calculate this and put down
Equal load situation.
20. methods as claimed in claim 13, wherein this interchanger covers according to this of each access point
Lid situation finds out at least one the first access point that be enough to service these clients from these access points
Step includes:
This interchanger finds out, according to this covering situation of each access point, the spy being covered by minimum access point
Determine client；
This interchanger finds out cover-most client in these access points covering this particular clients
One certain access point, wherein this certain access point is one of them of this at least one the first access point；
This interchanger marks this certain access point and this certain access point is covered in these clients
A subclass；And
This interchanger judges whether fully to mark these clients；
If it is not, this interchanger gets rid of this particular access from these access points and these clients respectively
Put and this subclass, and this covering situation again according to each access point is found out and covered by minimum access point
This particular clients of lid；
If so, this interchanger by serviced by least one second access point in these access points this
A part for a little clients is adjusted at least one first access point service by this, and a Preset Time it
The step of this at least one the second access point of rear forbidden energy includes:
This interchanger distributes these clients to these labeled access points to produce a distribution knot
Really, and this allocation result is informed these access points；And
This interchanger after this Preset Time forbidden energy be not labeled these access points, wherein not by
These access points of mark are this at least one second access point.
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| CN201510153498.XA CN106162837B (en) | 2015-04-02 | 2015-04-02 | Exchanger, power-supply management system and its method for managing power supply |
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| CN201510153498.XA CN106162837B (en) | 2015-04-02 | 2015-04-02 | Exchanger, power-supply management system and its method for managing power supply |
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| US20100002610A1 (en) * | 2008-07-03 | 2010-01-07 | Robert Bowser | Power savings for wireless local area networks |
| CN102026357A (en) * | 2010-12-17 | 2011-04-20 | 华为技术有限公司 | Power control method and device for base station |
| CN103491567A (en) * | 2012-06-13 | 2014-01-01 | 中国移动通信集团公司 | Network energy saving method, base station equipment and base station detection method |
| CN103517389A (en) * | 2013-10-24 | 2014-01-15 | 北京交通大学 | WLAN (Wireless Local Area Network) equipment self-adaptive energy-saving method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100002610A1 (en) * | 2008-07-03 | 2010-01-07 | Robert Bowser | Power savings for wireless local area networks |
| CN102026357A (en) * | 2010-12-17 | 2011-04-20 | 华为技术有限公司 | Power control method and device for base station |
| CN103491567A (en) * | 2012-06-13 | 2014-01-01 | 中国移动通信集团公司 | Network energy saving method, base station equipment and base station detection method |
| CN103517389A (en) * | 2013-10-24 | 2014-01-15 | 北京交通大学 | WLAN (Wireless Local Area Network) equipment self-adaptive energy-saving method |
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