CN103582045A - Base station adjacent cell list updating method under non-overlapping coverage energy conservation and base stations - Google Patents
Base station adjacent cell list updating method under non-overlapping coverage energy conservation and base stations Download PDFInfo
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- CN103582045A CN103582045A CN201210285139.6A CN201210285139A CN103582045A CN 103582045 A CN103582045 A CN 103582045A CN 201210285139 A CN201210285139 A CN 201210285139A CN 103582045 A CN103582045 A CN 103582045A
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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
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- 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
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Abstract
The invention discloses a base station adjacent cell list updating method under non-overlapping coverage energy conservation. The base station adjacent cell list updating method under the non-overlapping coverage energy conservation comprises the step that a coverage cell base station receives and saves adjacent cell list information of energy conservation cells adjacent to adjacent energy conservation cells covered by the base station, and when the energy conservation cells covered by the coverage cell base station are in an energy conservation state, the coverage cell base station carries out update operations on the adjacent cell list information of the coverage cell base station according to the saved adjacent cell list information. By means of the method, the adjacent cell list information can be effectively added for the coverage cells under the non-overlapping coverage energy conservation, good energy conservation effects can be achieved, and good network coverage effects can also be maintained through the method. In addition, the invention discloses the corresponding coverage cell base station and an energy conservation cell base station.
Description
Technical field
The present invention relates to a kind of adjacent cell update method, specifically, relate to adjacent cell list update method and base station in the energy-conservation scene of a kind of non-overlapped covering.
Background technology
In existing network, according to statistics, find, the average utilization less than 50% of base station equipment, in the instantaneous utilance of some time even less than 10%.And applied power-saving technology mostly is the power-saving technology based on statistics in current existing network, and can only part regulating networks parameter.
As the function of turn-offing time slot/carrier frequency based on user's tidal effect of existing network employing, in some less moment of the traffic carrying capacity of every day, as evening 0:00 to morning 6:00 on part time slot or carrier frequency, do not send any signaling and data, thereby reach energy-conservation effect.In the research of LTE, find, only with statistics, carrying out power-save operation, cannot to have met following business burst strong, and therefore the demand that traffic carrying capacity is large is carrying out Study on energy saving at present in 3GPP.
In the 3GPP REL-9 stage, for the power-saving technology between intra-LTE base station, carried out standardization.Scheme is substantially as follows:
When certain small area, base station determines to enter power save mode according to load state, this base station can notify this community of adjacent base station to enter power save mode;
When certain adjacent base station load increases, can ask this base station initiated related cell to carry out load balancing; Behind this base station initiated related cell, can notify this community of other adjacent base stations to resume work.
When Rel-9 discusses this scheme, the scene of its solution is mainly scene shown in Fig. 1, by this figure, can be found out, all has bottom to cover and when capacity extension base station enters power save mode, carry out the absorption of user's traffic in scene.
And in the Rel-10 stage, for power-saving technology scene between intra-LTE base station, the scene (hereinafter to be referred as non-overlapped covering) that needs consideration to carry out traffic absorption without underlay cell, as shown in Figures 2 and 3:
When this energy-saving scheme is realized in network, adjacent cell update mechanism in network is had to some impacts, the adjacent cell that covers compensation community will have a greater change, and needs to provide a kind of new adjacent cell update mechanism for this reason, to upgrade fast the adjacent cell that covers compensation community.
But existing adjacent cell update mechanism can, by mechanism such as terminal measurement reports, be carried out adjacent cell list renewal, but renewal speed is slower, for the adjacent cell of indivedual communities, upgrade comparatively usefully, so the adjacent cell of Dang Mou community is when upgrade in a large number, cannot upgrade fast corresponding adjacent cell.
Summary of the invention
The present invention is directed to the shortcoming of prior art, the base station adjacent cell list update method of a kind of non-overlapped covering under energy-conservation is provided, the method has good adjacent cell and upgrades effect.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme:
A base station adjacent cell list update method under covering is energy-conservation, comprising: base station, coverage cell receives the adjacent cell list information of the energy-saving cell adjacent with the energy-saving cell of described base station covering, and preserves described adjacent cell list information; When power save mode is carried out in the energy-saving cell of base station self, described coverage cell covering, the renewal operation of the adjacent cell list information of self is carried out in base station, described coverage cell according to the adjacent cell list information of above-mentioned preservation.
Wherein, further, preferably, described adjacent cell list information specifically comprises:
The coverage cell information of the information of adjacent cells of energy-saving cell self information, energy-saving cell, energy-saving cell ownership, and/or whether each adjacent cell is coverage cell, and/or whether energy-saving cell enters energy-conservation state information.
A base station, coverage cell under covering is energy-conservation, comprising:
Receiving element, for receiving the adjacent cell list information of the energy-saving cell adjacent with the energy-saving cell of base station covering;
Storage unit, for preserving described adjacent cell list information; Cell change unit, for obtaining the state information of the energy-saving cell of base station self, described coverage cell covering;
Cell change unit, for obtaining the state information of the energy-saving cell of base station self, described coverage cell covering, and further when power save mode is carried out in energy-saving cell, according to the adjacent cell list information of above-mentioned preservation, carry out the renewal operation of the adjacent cell list information of self.
A base station, energy-saving cell under covering is energy-conservation, comprising:
Information acquisition unit, for carrying out the exchange of adjacent cell list information separately with adjacent energy-conservation cell base station, and obtains 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 base station, same coverage cell;
Transfer unit, for not being while belonging to base station, same coverage cell when above-mentioned adjacent energy-conservation cell base station, sends to above adjacent cell list information respectively the base station, coverage cell of its ownership;
If belong to base station, same coverage cell, above-mentioned adjacent cell list information is not sent to the base station, coverage cell of its ownership.
After the present invention has taked such scheme, can above-mentioned non-overlapped covering energy-conservation lower be effectively coverage cell increase adjacent cell list information, thereby not only have well energy-conservationly, and this method can also keep good network overlapping effect.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in the specification write, claims and accompanying drawing.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in detail, so that above-mentioned advantage of the present invention is clearer and more definite.
Fig. 1 is the network architecture schematic diagram of the overlapping covering energy-saving scheme in community of the prior art;
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 is the schematic flow sheet of the base station adjacent cell list update method of the non-overlapped covering of the embodiment of the present invention under energy-conservation;
Fig. 6 is the structural representation of the coverage cell base station of the non-overlapped covering of the embodiment of the present invention under energy-conservation;
Fig. 7 is the structural representation of the energy-saving cell base station of the non-overlapped covering of the embodiment of the present invention under energy-conservation.
Embodiment
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, take two overlay areas describes as example, wherein, overlay area 1 and overlay area 2 are comprised of a plurality of base stations respectively, wherein, overlay area 1 comprises energy-saving cell base station eNB 3, eNB5, eNB7, eNB9, eNB11 and eNB13 and the coverage cell base station eNB 1 that covers base station, above-mentioned energy-saving cell, wherein, base station, above-mentioned energy-saving cell can enter power save mode according to loading condition own, now, coverage cell base station eNB 1 meeting increase power or antenna direction are to increase the coverage of base station, above-mentioned coverage cell, thereby guarantee the normal use of communication.
The coverage cell base station eNB 2 that overlay area 2 comprises energy-saving cell base station eNB 4, eNB6, eNB8, eNB10, eNB12 and covers base station, above-mentioned energy-saving cell, wherein, base station, above-mentioned energy-saving cell can enter power save mode according to loading condition own, now, coverage cell base station eNB 2 meeting increase power or antenna direction are to increase the coverage of base station, above-mentioned coverage cell, thus the normal use of assurance communication; The application mainly describes with the enforcement scene shown in above-mentioned.
At this, mainly suppose: base station, energy-saving cell and base station, coverage cell are that network management configuration is good, and by which base station, coverage cell, to be covered be also that network management configuration completes in which base station, energy-saving cell.
Fig. 5 is the schematic flow sheet of the base station adjacent cell list update method of the non-overlapped covering of the embodiment of the present invention under energy-conservation; As shown in Figure 5, described base station adjacent cell list update method, mainly comprises:
Step 101: carry out self information of adjacent cells between adjacent energy-conservation cell base station and mutually transmit, comprising:
The first adjacent base station, energy-saving cell sends to the second adjacent energy-conservation cell base station by the information of adjacent cells of self, and the second energy-conservation cell base station sends to the first adjacent energy-conservation cell base station by the information of adjacent cells of self; As shown in Figure 4, in this embodiment, according to foregoing description, can comprise:
Energy-saving cell base station eNB 3 adjacent with overlay area 2 (eNB2) in overlay area 1 (eNB1) can send to base station eNB 4 by its adjacent cell information and coverage cell information; And eNB4 also can be transmitted to this information covering base station eNB 2, be also oppositely like this.
Wherein, described adjacent cell list information specifically comprises:
The coverage cell information of the information of adjacent cells of energy-saving cell self information, energy-saving cell, energy-saving cell ownership, and/or whether each adjacent cell is coverage cell, and/or whether energy-saving cell enters energy-conservation state information.
Step 102: the judgement of base station, energy-saving cell is adjacent and carries out the mutual base station, energy-saving cell of information of adjacent cells whether belong between base station, ，Ji energy-saving cell, base station, same coverage cell whether belong to same coverage cell;
Wherein, when both are not while belonging to same coverage cell, step 103: base station, energy-saving cell need to pass to the information of above-mentioned exchange the base station, coverage cell of self;
Wherein, when both belong to same coverage cell, without the information of above-mentioned exchange is sent to base station, coverage cell.
Step 104: the energy-saving cell that base station, a certain coverage cell covers enters power-save operation;
Step 105: the renewal operation of the adjacent cell list information of self is carried out in base station, coverage cell according to the adjacent cell list information exchanging in above-mentioned steps.
Specifically comprise: coverage cell, according to the adjacent cell list information of described exchange, adds the energy-saving cell in non-power save mode in the adjacent cell list information that receives and preserve or coverage cell in the adjacent cell list of this base station, coverage cell.
For example, if in overlay area 1 and overlay area 2 all in power save mode, now corresponding each base station, coverage cell need to be according to the adjacent cell list information receiving, increase and cover compensation, meanwhile, according to the adjacent cell list information of above-mentioned exchange, the coverage cell of the adjacent energy-saving cell of correspondence is added in the adjacent cell list of this base station, coverage cell.
Iff overlay area, 1 enters into power save mode, now, the base station, coverage cell in overlay area 1 can join the energy-saving cell in corresponding overlay area 2 in the adjacent cell list of this base station, coverage cell according to the adjacent cell list information of described above-mentioned exchange.
The present embodiment is by said method, can above-mentioned non-overlapped covering energy-conservation lower be effectively coverage cell increase adjacent cell list information, thereby not only have well energy-conservationly, and this method can also keep good network overlapping effect.
In addition, among the method, also comprise: if after power save mode is finished in the energy-saving cell that base station, coverage cell self covers, the cell information adding described in deleting from the adjacent cell list of base station.
For example, in this embodiment, if only have overlay area 1 to exit power-save operation, overlay area 2 is according to the information updating adjacent cell list in the adjacent area adjacent cell list information of receiving before, the coverage cell information adding described in deleting.If power-save operation is all exited with overlay area 2 in overlay area 1, directly return to initial adjacent cell list state.
In prior art, between general base station, by X2 interface, carry out transfer of data, specifically, its information that will transmit can be by new signaling, also can be by existing signaling, take and have signaling format as example, be exemplified below shown in table (X2 SETUP REQUEST), in above-mentioned information, carry the coverage cell information of information of adjacent cells and adjacent cell.
After the present invention has taked such scheme, by described adjacent cell list update method, can be coverage cell increase information of adjacent cells fast and effectively, thereby guarantee to enter after power save mode in a certain community, can also keep good network overlapping effect.
According to same design of the present invention, the present invention also provides base station, a kind of coverage cell, as shown in Figure 6, comprising:
Receiving element, for receiving the adjacent cell list information of the energy-saving cell adjacent with the energy-saving cell of base station covering;
Storage unit, for preserving described adjacent cell list information;
Cell change unit, for obtaining the state information of the energy-saving cell of base station self, described coverage cell covering, and further when power save mode is carried out in energy-saving cell, according to the adjacent cell list information of above-mentioned preservation, carry out the renewal operation of the adjacent cell list information of self.
Wherein, embodiment is corresponding with said method, and the described adjacent cell list information that described receiving element receives specifically comprises:
The coverage cell information of the information of adjacent cells of energy-saving cell self information, energy-saving cell, energy-saving cell ownership, and/or whether each adjacent cell is coverage cell, and/or whether energy-saving cell enters energy-conservation state information.
As shown in Figure 6, described cell change unit, specifically comprises:
Change subelement, enters power save mode for working as base station, coverage cell and coverage cell thereof, according to the adjacent cell list information of described exchange, the energy-saving cell in non-power save mode or coverage cell is added in the adjacent cell list of this base station, coverage cell.
In addition, corresponding with said method, as shown in Figure 6, described cell change unit, also comprise: also comprise: recover subelement, after finishing power save mode for the energy-saving cell covering when base station self, described coverage cell, the cell information adding described in deleting from the adjacent cell list of base station.
By said method, base station, coverage cell shown in the present can be coverage cell increase information of adjacent cells fast and effectively, thereby guarantees to enter after power save mode in a certain community, can also keep good network overlapping effect.
According to same design of the present invention, the present invention also provides the energy-saving cell base station of a kind of non-overlapped covering under energy-conservation, and as shown in Figure 7, base station, described energy-saving cell, comprising:
Information acquisition unit, for carrying out the exchange of adjacent cell list information separately with adjacent energy-conservation cell base station, and obtains 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 base station, same coverage cell.
Wherein, embodiment is corresponding with said method, and base station, described energy-saving cell, also includes:
Transfer unit, for not being while belonging to base station, same coverage cell when above-mentioned adjacent energy-conservation cell base station, sends to above adjacent cell list information respectively the base station, coverage cell of its ownership;
If belong to base station, same coverage cell, above-mentioned adjacent cell list information is not sent to the base station, coverage cell of its ownership.
Pass through said method, base station, energy-saving cell shown in the present can send to the adjacent cell list information of the base station, energy-saving cell being adjacent the base station, coverage cell of self, thereby making base station, coverage cell can be coverage cell increase information of adjacent cells fast and effectively, thereby guarantee to enter after power save mode in a certain community, can also keep good network overlapping effect.
It should be noted that, for said method embodiment, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the application is not subject to the restriction of described sequence of movement, because according to the application, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and module might not be that the application is necessary.
Those skilled in the art should understand, the application's embodiment can be provided as method, system or computer program.Therefore, the application can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect completely.
And the application can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the base station adjacent cell list update method of a non-overlapped covering under energy-conservation, it is characterized in that, comprise: base station, coverage cell receives the adjacent cell list information of the energy-saving cell adjacent with the energy-saving cell of described base station covering, and preserves described adjacent cell list information;
When power save mode is carried out in the energy-saving cell of base station self, described coverage cell covering, the renewal operation of the adjacent cell list information of self is carried out in base station, described coverage cell according to the adjacent cell list information of described preservation.
2. the base station adjacent cell list update method of non-overlapped covering according to claim 1 under energy-conservation, is characterized in that, described adjacent cell list information specifically comprises:
The coverage cell information of the information of adjacent cells of energy-saving cell self information, energy-saving cell, energy-saving cell ownership, and/or whether each adjacent cell is coverage cell, and/or whether energy-saving cell enters energy-conservation state information.
3. the base station adjacent cell list update method of non-overlapped covering according to claim 1 and 2 under energy-conservation, it is characterized in that, base station, described coverage cell receives before the adjacent cell list information of the energy-saving cell adjacent with the energy-saving cell of described base station covering, also comprises:
Between adjacent energy-conservation cell base station, carry out the exchange of adjacent cell list information separately;
Wherein, when above-mentioned adjacent energy-conservation cell base station is not, while belonging to base station, same coverage cell, respectively above adjacent cell list information to be sent to base station, coverage cell separately;
If belong to base station, same coverage cell, above-mentioned adjacent cell list information is not sent to base station, coverage cell.
4. the base station adjacent cell list update method of non-overlapped covering according to claim 2 under energy-conservation, it is characterized in that, the renewal operation of the adjacent cell list information of self is carried out in base station, described coverage cell according to the adjacent cell list information of described preservation, specifically comprise:
Base station, described coverage cell, according to the adjacent cell list information of described preservation, adds the energy-saving cell in non-power save mode or coverage cell in the adjacent cell list of this base station, coverage cell.
5. the base station adjacent cell list update method of non-overlapped covering according to claim 4 under energy-conservation, is characterized in that, further comprises:
After if power save mode is finished in the energy-saving cell that base station, coverage cell self covers, the cell information adding described in deleting from the adjacent cell list of base station.
6. the coverage cell base station of non-overlapped covering under energy-conservation, is characterized in that, comprising:
Receiving element, for receiving the adjacent cell list information of the energy-saving cell adjacent with the energy-saving cell of base station covering;
Storage unit, for preserving described adjacent cell list information;
Cell change unit, for obtaining the state information of the energy-saving cell of base station self, described coverage cell covering, and further when power save mode is carried out in energy-saving cell, according to the adjacent cell list information of above-mentioned preservation, carry out the renewal operation of the adjacent cell list information of self.
7. the coverage cell base station of non-overlapped covering according to claim 6 under energy-conservation, is characterized in that, the described adjacent cell list information that described receiving element receives specifically comprises:
The coverage cell information of the information of adjacent cells of energy-saving cell self information, energy-saving cell, energy-saving cell ownership, and/or whether each adjacent cell is coverage cell, and/or whether energy-saving cell enters energy-conservation state information.
8. the base station, coverage cell under energy-conservation according to the non-overlapped covering described in claim 6 or 7, is characterized in that, described cell change unit, comprising:
Change subelement, while entering power save mode for the energy-saving cell covering when base station, coverage cell self, described adjacent cell list information according to preserving, will add in the adjacent cell list of this base station, coverage cell in the adjacent energy-saving cell of non-power save mode or coverage cell.
9. the coverage cell base station of non-overlapped covering according to claim 8 under energy-conservation, it is characterized in that, described cell change unit, also comprise: recover subelement, after finishing power save mode for the energy-saving cell covering when base station self, described coverage cell, the cell information adding described in deleting from the adjacent cell list of base station.
10. the energy-saving cell base station of non-overlapped covering under energy-conservation, is characterized in that, comprising:
Information acquisition unit, for carrying out the exchange of adjacent cell list information separately with adjacent energy-conservation cell base station, and obtains 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 base station, same coverage cell;
Transfer unit, for not being while belonging to base station, same coverage cell when above-mentioned adjacent energy-conservation cell base station, sends to above adjacent cell list information respectively the base station, coverage cell of its ownership;
If belong to base station, same coverage cell, above-mentioned adjacent cell list information is not sent to the base station, coverage cell of its ownership.
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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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