CN103582045B - Base station adjacent cell list update method under a kind of non-overlapped covering is energy-conservation and base station - Google Patents
Base station adjacent cell list update method under a kind of non-overlapped covering is energy-conservation and base station Download PDFInfo
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- CN103582045B CN103582045B CN201210285139.6A CN201210285139A CN103582045B CN 103582045 B CN103582045 B CN 103582045B CN 201210285139 A CN201210285139 A CN 201210285139A CN 103582045 B CN103582045 B CN 103582045B
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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
Abstract
The invention discloses a kind of non-overlapped covering energy-conservation under base station adjacent cell list update method, receive the adjacent cell list information of the energy-saving cell adjacent with the energy-saving cell of described base station covering including: base station, coverage cell, and preserve described adjacent cell list information；When the energy-saving cell of base station self, described coverage cell covering carries out power save mode, base station, described coverage cell carries out the renewal operation of the adjacent cell list information of self according to the adjacent cell list information of described preservation.Pass through said method, it is possible to energy-conservation lower effective for coverage cell increase adjacent cell list information in above-mentioned non-overlapped covering, thus not only have the most energy-conservation, and this method can also keep preferable network overlapping effect.Additionally, the invention also discloses base station, corresponding coverage cell and base station, energy-saving cell.
Description
Technical field
The present invention relates to a kind of adjacent cell update method, it particularly relates to a kind of non-overlapped covering is energy-conservation
Adjacent cell list update method in scene and base station.
Background technology
In existing network, finding according to statistical result, the average utilization of base station equipment is less than 50%, at certain
The instantaneous utilization rate of a little times is even less than 10%.And at present power-saving technology applied in existing network mostly is base
In the power-saving technology of statistical result, and can only part regulating networks parameter.
The function turning off time slot/carrier frequency based on user's tidal effect used such as existing network, i.e. in the business of every day
Measure some moment less, appoint as 0:00 to 6:00 in morning in evening does not send on partial time slot or carrier frequency
What signaling and data, thus reach energy-conservation effect.The research of LTE finds, only with statistical result
Carrying out power-save operation, cannot to have met future services sudden by force, the demand that portfolio is big, the most at present
The most carrying out Study on energy saving.
In the 3GPP REL-9 stage, have been directed towards the power-saving technology between intra-LTE base station and carried out standard
Change.Scheme is as follows:
When certain small area, base station determines to enter power save mode according to load state, this base station is notified that adjacent
This community, base station enters power save mode；
When the load of certain adjacent base station increases, then this base station initiated related cell can be asked to carry out load balancing；
When, behind this base station initiated related cell, being notified that to have resumed work in this community of other adjacent base stations.
When Rel-9 discusses the program, its scene solved is mainly scene shown in Fig. 1, permissible by this figure
Find out scene all has bottom cover in capacity extension base station and carry out user's traffic suction when entering power save mode
Receive.
And in the Rel-10 stage, for power-saving technology scene between intra-LTE base station, then need to consider bottomless
Layer community carries out the scene (the most non-overlapped covering) of traffic absorption, as shown in Figures 2 and 3:
When this energy-saving scheme realizes in a network, some there are is to affect adjacent cell update mechanism in network,
The adjacent cell covering compensation community will have a greater change, and needs for this to provide a kind of new adjacent cell more
New mechanism, covers the adjacent cell compensating community with quick renewal.
But, existing adjacent cell update mechanism can carry out adjacent cell by mechanism such as terminal measurement reports
List update, but renewal speed is relatively slow, and the adjacent cell for individual cells updates the most useful, therefore
When the adjacent cell of certain community updates in a large number, it is impossible to quickly update corresponding adjacent cell.
Summary of the invention
The shortcoming that the present invention is directed to prior art, it is provided that the base station neighbour under a kind of non-overlapped covering is energy-conservation is little
Section list updating method, the method has preferable adjacent cell and updates effect.
It is as follows that the present invention solves the technical scheme that above-mentioned technical problem taked:
Base station adjacent cell list update method under a kind of non-overlapped covering is energy-conservation, including: coverage cell base
Stand and receive the adjacent cell list information of the energy-saving cell adjacent with the energy-saving cell that described base station covers, and protect
Deposit described adjacent cell list information；The energy-saving cell covered when base station self, described coverage cell carries out energy-conservation
During state, the neighbour that base station, described coverage cell carries out self according to the adjacent cell list information of above-mentioned preservation is little
The renewal operation of district's list information.
Wherein, further, it is preferred that, described adjacent cell list information specifically includes:
Energy-saving cell self information, the information of adjacent cells of energy-saving cell, the coverage cell of energy-saving cell ownership
Information, and/or, whether each adjacent cell is coverage cell, and/or whether energy-saving cell enters energy-conservation
Status information.
Base station, coverage cell under a kind of non-overlapped covering is energy-conservation, including:
Receive unit, for receiving the adjacent cell row of the energy-saving cell adjacent with the energy-saving cell of base station covering
Table information；
Storage unit, is used for preserving described adjacent cell list information；Community changing unit, is used for obtaining institute
State the status information of the energy-saving cell that base station, coverage cell self covers；
Community changing unit, for obtaining the state of the energy-saving cell that base station self, described coverage cell covers
Information, and further when energy-saving cell carries out power save mode, believe according to the adjacent cell list of above-mentioned preservation
Breath carries out the renewal operation of the adjacent cell list information of self.
Base station, energy-saving cell under a kind of non-overlapped covering is energy-conservation, including:
Information acquisition unit, for carrying out the friendship of respective adjacent cell list information with adjacent energy-conservation cell base station
Change, and obtain the adjacent cell list information of the energy-saving cell base station adjacent with this base station, energy-saving cell；
Judging unit, for judging whether base station, described energy-saving cell and adjacent base station, energy-saving cell belong to
In base station, same coverage cell；
Transfer unit, is used for when above-mentioned adjacent energy-conservation cell base station is not to belong to base station, same coverage cell
Time, respectively above adjacent cell list information is sent to the base station, coverage cell of its ownership；
If belonging to base station, same coverage cell, the most above-mentioned adjacent cell list information is not sent to its ownership
Base station, coverage cell.
After this invention takes such scheme, it is possible to energy-conservation lower effective for covering in above-mentioned non-overlapped covering
Lid community increases adjacent cell list information, thus not only has the most energy-conservation, and this method can also
Enough keep preferable network overlapping effect.
Other features and advantages of the present invention will illustrate in the following description, and, partly from froming the perspective of
Bright book becomes apparent, or understands by implementing the present invention.The purpose of the present invention is excellent with other
Point can come real by structure specifically noted in the description write, claims and accompanying drawing
Now and obtain.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the present invention is described in detail, so that the above-mentioned advantage of the present invention is more
Clearly.
Fig. 1 is the network architecture schematic diagram that little area overlapping of the prior art covers energy-saving scheme；
Fig. 2 is the network architecture schematic diagram of the non-overlapped energy-saving scheme in community of the prior art；
Fig. 3 is the network architecture schematic diagram of the non-overlapped energy-saving scheme in community of the prior art；
Fig. 4 is the enforcement scene schematic diagram of the cell energy-saving scheme of the embodiment of the present invention；
Fig. 5 be the non-overlapped covering of the embodiment of the present invention energy-conservation under base station adjacent cell list update method
Schematic flow sheet；
Fig. 6 be the non-overlapped covering of the embodiment of the present invention energy-conservation under the structural representation of base station, coverage cell；
Fig. 7 be the non-overlapped covering of the embodiment of the present invention energy-conservation under the structural representation of base station, energy-saving cell.
Detailed description of the invention
Fig. 4 is the enforcement scene schematic diagram of the cell energy-saving scheme of the embodiment of the present invention；
As shown in Figure 4, in an embodiment, illustrate as a example by two overlay areas, wherein, cover
Region 1 and overlay area 2 are made up of multiple base stations respectively, and wherein, overlay area 1 includes energy-saving cell
Base station eNB 3, eNB5, eNB7, eNB9, eNB11 and eNB13 and cover above-mentioned energy-saving cell
The coverage cell base station eNB 1 of base station, wherein, base station, above-mentioned energy-saving cell can be entered according to loading condition own
Entering power save mode, now, coverage cell base station eNB 1 can increase power or antenna direction with in increase
State the coverage of base station, coverage cell, thus ensure the normal use of communication.
Overlay area 2 include energy-saving cell base station eNB 4, eNB6, eNB8, eNB10, eNB12 with
And cover the coverage cell base station eNB 2 of base station, above-mentioned energy-saving cell, wherein, the base station meeting of above-mentioned energy-saving cell
According to loading condition own enter power save mode, now, coverage cell base station eNB 2 can increase power or
Person's antenna direction is to increase the coverage of base station, above-mentioned coverage cell, thus ensures the normal use of communication；
The application mainly illustrates with above-mentioned shown enforcement scene.
In this main assumption: base station, energy-saving cell and base station, coverage cell are that network management configuration is good, and which
It is also that network management configuration completes that base station, energy-saving cell by which base station, coverage cell is carried out covering.
Fig. 5 be the non-overlapped covering of the embodiment of the present invention energy-conservation under base station adjacent cell list update method
Schematic flow sheet；As it is shown in figure 5, described base station adjacent cell list update method, specifically include that
Step 101: carry out self information of adjacent cells between adjacent energy-conservation cell base station and mutually transmit, including:
It is energy-conservation little that the information of adjacent cells of self is sent to adjacent second by the first adjacent base station, energy-saving cell
Base station, district, and the second energy-conservation cell base station that the information of adjacent cells of self is sent to adjacent first is energy-conservation little
Base station, district；As shown in Figure 4, in this embodiment, according to foregoing description, may include that
Energy-saving cell base station eNB 3 meeting adjacent with overlay area 2 (eNB2) in overlay area 1 (eNB1)
Its adjacent cell information and coverage cell information are sent to base station eNB 4；And eNB4 also can be by this letter
Breath has been transmitted to cover base station eNB 2, is the most also such.
Wherein, described adjacent cell list information specifically includes:
Energy-saving cell self information, the information of adjacent cells of energy-saving cell, the coverage cell of energy-saving cell ownership
Information, and/or, whether each adjacent cell is coverage cell, and/or whether energy-saving cell enters energy-conservation
Status information.
Step 102: base station, energy-saving cell judges be adjacent and carry out the energy-saving cell that information of adjacent cells is mutual
Whether base station belongs to whether belong to same covering between base station, same coverage cell, i.e. base station, energy-saving cell
Community；
Wherein, when both are not belonging to same coverage cell, then step 103: base station, energy-saving cell needs
The information of above-mentioned exchange is passed to the base station, coverage cell of self；
Wherein, when both belong to same coverage cell, then without being sent to cover by the information of above-mentioned exchange
Lid cell base station.
Step 104: the energy-saving cell that base station, a certain coverage cell is covered enters power-save operation；
Step 105: base station, coverage cell carries out self according to the adjacent cell list information of exchange in above-mentioned steps
Adjacent cell list information renewal operation.
Specifically include: coverage cell is according to the adjacent cell list information of described exchange, by receive and preserve
It is little that the energy-saving cell being in non-power save mode in adjacent cell list information or coverage cell add this covering
In the adjacent cell list of base station, district.
Such as, if all in power save mode in overlay area 1 and overlay area 2, the most corresponding the most each
Base station, individual coverage cell needs according to the adjacent cell list information received, and increases and covers compensation, meanwhile,
The coverage cell of corresponding adjacent energy-saving cell is added this and covers by the adjacent cell list information according to above-mentioned exchange
In the adjacent cell list of lid cell base station.
Entering into power save mode iff overlay area 1, the most now, the covering in overlay area 1 is little
Base station, district can be according to the adjacent cell list information of described above-mentioned exchange by the joint in corresponding overlay area 2
Energy community joins in the adjacent cell list of this base station, coverage cell.
The present embodiment passes through said method, it is possible to energy-conservation lower effective little for covering in above-mentioned non-overlapped covering
District increases adjacent cell list information, thus not only has the most energy-conservation, and this method can also be protected
Hold preferable network overlapping effect.
Additionally, among the method, also include: if the energy-saving cell that base station, coverage cell self covers is terminated
After power save mode, from the adjacent cell list of base station, delete the cell information of described addition.
Such as, in this embodiment, if only power-save operation is exited in overlay area 1, then overlay area 2
According to the information updating adjacent cell list in the adjacent area adjacent cell list information received before, i.e. delete
The coverage cell information of described addition.If power-save operation is all exited, then in overlay area 1 and overlay area 2
It is directly returned to initial adjacent cell list state.
Owing to, in prior art, being carried out data transmission by X2 interface between general base station, specifically,
Its information to be transmitted can be by new signaling, it is also possible to by existing signaling, with existing signaling lattice
As a example by formula, it is exemplified below shown in table (X2 SETUP REQUEST), i.e. in above-mentioned information, carries neighbour
The coverage cell information of cell information and adjacent cell.
After this invention takes such scheme, by described adjacent cell list update method, it is possible to quickly
Effectively increase information of adjacent cells for coverage cell, thus ensure after a certain community enters power save mode,
Good network overlapping effect can also be kept.
According to the same design of the present invention, present invention also offers a kind of base station, coverage cell, such as Fig. 6 institute
Show, including:
Receive unit, for receiving the adjacent cell row of the energy-saving cell adjacent with the energy-saving cell of base station covering
Table information；
Storage unit, is used for preserving described adjacent cell list information；
Community changing unit, for obtaining the state of the energy-saving cell that base station self, described coverage cell covers
Information, and further when energy-saving cell carries out power save mode, believe according to the adjacent cell list of above-mentioned preservation
Breath carries out the renewal operation of the adjacent cell list information of self.
Wherein, corresponding with said method embodiment, that described reception unit receives described adjacent cell list
Information specifically includes:
Energy-saving cell self information, the information of adjacent cells of energy-saving cell, the coverage cell of energy-saving cell ownership
Information, and/or, whether each adjacent cell is coverage cell, and/or whether energy-saving cell enters energy-conservation
Status information.
As shown in Figure 6, described community changing unit, specifically include:
Change subelement, for entering power save mode, according to institute when base station, coverage cell and coverage cell thereof
Stating the adjacent cell list information of exchange, being added in the energy-saving cell or coverage cell that are in non-power save mode should
In the adjacent cell list of base station, coverage cell.
Additionally, corresponding with said method, as shown in Figure 6, described community changing unit, also include:
Also including: recover subelement, joint is terminated in the energy-saving cell for covering when base station self, described coverage cell
After energy state, from the adjacent cell list of base station, delete the cell information of described addition.
By said method, the base station, coverage cell shown in the present invention can be coverage cell fast and effectively
Increase information of adjacent cells, thus ensure after a certain community enters power save mode, additionally it is possible to keep good
Network overlapping effect.
According to the same design of the present invention, present invention also offers a kind of non-overlapped covering energy-conservation under energy-conservation
Cell base station, as it is shown in fig. 7, base station, described energy-saving cell, including:
Information acquisition unit, for carrying out the friendship of respective adjacent cell list information with adjacent energy-conservation cell base station
Change, and obtain the adjacent cell list information of the energy-saving cell base station adjacent with this base station, energy-saving cell；
Judging unit, for judging whether base station, described energy-saving cell and adjacent base station, energy-saving cell belong to
In base station, same coverage cell.
Wherein, corresponding with said method embodiment, base station, described energy-saving cell, also include:
Transfer unit, is used for when above-mentioned adjacent energy-conservation cell base station is not to belong to base station, same coverage cell
Time, respectively above adjacent cell list information is sent to the base station, coverage cell of its ownership；
If belonging to base station, same coverage cell, the most above-mentioned adjacent cell list information is not sent to its ownership
Base station, coverage cell.
By said method, the energy-saving cell that the base station, energy-saving cell shown in the present invention can will be adjacent
The adjacent cell list information of base station is sent to the base station, coverage cell of self, so that base station, coverage cell
Information of adjacent cells can be increased for coverage cell fast and effectively, thus ensure in the entrance of a certain community energy-conservation
After state, additionally it is possible to keep good network overlapping effect.
It should be noted that for said method embodiment, in order to be briefly described, therefore by its all table
Stating as a series of combination of actions, but those skilled in the art should know, the application is by being retouched
The restriction of the sequence of movement stated because according to the application, some step can use other orders or with
Shi Jinhang.Secondly, those skilled in the art also should know, embodiment described in this description all belongs to
In preferred embodiment, necessary to involved action and module not necessarily the application.
Those skilled in the art it should be appreciated that embodiments herein can be provided as method, system or
Computer program.Therefore, the application can use complete hardware embodiment, complete software implementation,
Or combine the form of embodiment in terms of software and hardware.
And, the application can use at one or more meters wherein including computer usable program code
Calculation machine usable storage medium (includes but not limited to disk memory, CD-ROM, optical memory etc.)
The form of the computer program of upper enforcement.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, it is not used to limit
The present invention processed, although being described in detail the present invention with reference to previous embodiment, for this area
For technical staff, the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature.All within the spirit and principles in the present invention, made
Any modification, equivalent substitution and improvement etc., should be included within the scope of the present invention.
Claims (9)
1. the base station adjacent cell list update method under a non-overlapped covering is energy-conservation, it is characterised in that bag
Include: base station, coverage cell receives the adjacent cell of the energy-saving cell adjacent with the energy-saving cell of described base station covering
List information, and preserve described adjacent cell list information；
When the energy-saving cell of base station self, described coverage cell covering carries out power save mode, described covering is little
Base station, district carries out the renewal behaviour of the adjacent cell list information of self according to the adjacent cell list information of described preservation
Make；
Base station, described coverage cell receives the neighbour of the energy-saving cell adjacent with the energy-saving cell of described base station covering
Before cell list information, also include:
The exchange of respective adjacent cell list information is carried out between adjacent energy-conservation cell base station；
Wherein, when above-mentioned adjacent energy-conservation cell base station is not to belong to same base station, coverage cell, respectively
Above adjacent cell list information is sent to base station, respective coverage cell；
If belonging to base station, same coverage cell, it is not sent to cover little by above-mentioned adjacent cell list information
Base station, district.
Base station adjacent cell list update method under non-overlapped covering the most according to claim 1 is energy-conservation,
It is characterized in that, described adjacent cell list information specifically includes:
Energy-saving cell self information, the information of adjacent cells of energy-saving cell, the coverage cell of energy-saving cell ownership
Information, and/or, whether each adjacent cell is coverage cell, and/or whether energy-saving cell enters energy-conservation
Status information.
Base station adjacent cell list update method under non-overlapped covering the most according to claim 2 is energy-conservation,
It is characterized in that, base station, described coverage cell carries out self according to the adjacent cell list information of described preservation
The renewal operation of adjacent cell list information, specifically includes:
Base station, described coverage cell, according to the adjacent cell list information of described preservation, will be in non-power save mode
Energy-saving cell or coverage cell add in the adjacent cell list of this base station, coverage cell.
Base station adjacent cell list update method under non-overlapped covering the most according to claim 3 is energy-conservation,
It is characterized in that, further comprise:
It is after if power save mode is terminated in the energy-saving cell that base station, coverage cell self covers, little from the neighbour of base station
District's list is deleted the cell information of described addition.
5. the base station, coverage cell under a non-overlapped covering is energy-conservation, it is characterised in that including:
Receive unit, for receiving the adjacent cell row of the energy-saving cell adjacent with the energy-saving cell of base station covering
Table information；
Storage unit, is used for preserving described adjacent cell list information；
Community changing unit, for obtaining the state of the energy-saving cell that base station self, described coverage cell covers
Information, and further when energy-saving cell carries out power save mode, believe according to the adjacent cell list of above-mentioned preservation
Breath carries out the renewal operation of the adjacent cell list information of self.
Base station, coverage cell under non-overlapped covering the most according to claim 5 is energy-conservation, its feature exists
In, the described adjacent cell list information that described reception unit receives specifically includes:
Energy-saving cell self information, the information of adjacent cells of energy-saving cell, the coverage cell of energy-saving cell ownership
Information, and/or, whether each adjacent cell is coverage cell, and/or whether energy-saving cell enters energy-conservation
Status information.
7., according to the base station, coverage cell under energy-conservation of the non-overlapped covering described in claim 5 or 6, it is special
Levy and be, described community changing unit, including:
Change subelement, when the energy-saving cell for covering when base station, coverage cell self enters power save mode,
According to the described adjacent cell list information preserved, the adjacent energy-saving cell of non-power save mode will be in or cover little
District adds in the adjacent cell list of this base station, coverage cell.
Base station, coverage cell under non-overlapped covering the most according to claim 7 is energy-conservation, its feature exists
In, described community changing unit, also include: recover subelement, for when base station, described coverage cell from
After power save mode is terminated in the energy-saving cell that body covers, from the adjacent cell list of base station, delete described addition
Cell information.
9. the base station, energy-saving cell under a non-overlapped covering is energy-conservation, it is characterised in that including:
Information acquisition unit, for carrying out the friendship of respective adjacent cell list information with adjacent energy-conservation cell base station
Change, and obtain the adjacent cell list information of the energy-saving cell base station adjacent with this base station, energy-saving cell；
Judging unit, for judging whether base station, described energy-saving cell and adjacent base station, energy-saving cell belong to
In base station, same coverage cell；
Transfer unit, is used for when above-mentioned adjacent energy-conservation cell base station is not to belong to base station, same coverage cell
Time, respectively above adjacent cell list information is sent to the base station, coverage cell of its ownership；
If belonging to base station, same coverage cell, the most above-mentioned adjacent cell list information is not sent to its ownership
Base station, coverage cell.
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| EP2503819A4 (en) * | 2009-11-19 | 2017-06-28 | Nec Corporation | Wireless communication system, adjacent-cell list optimizing system, base station and adjacent-cell list updating method |
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| CN101409920A (en) * | 2007-10-10 | 2009-04-15 | 上海华为技术有限公司 | Method, system and relevant equipment for updating neighboring area list |
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