CN102264084B - A kind of multiple base stations united method and device carrying out coverage optimization - Google Patents
A kind of multiple base stations united method and device carrying out coverage optimization Download PDFInfo
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- CN102264084B CN102264084B CN201010186942.5A CN201010186942A CN102264084B CN 102264084 B CN102264084 B CN 102264084B CN 201010186942 A CN201010186942 A CN 201010186942A CN 102264084 B CN102264084 B CN 102264084B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Abstract
The invention discloses a kind of multiple base stations united method and device carrying out coverage optimization, be used for solving in existing coverage optimization scheme, many base stations are inharmonious, optimize inefficient problem.The method one that the present invention proposes is: carries out the base station covering the place, community after adjusting and sends to cover to other adjacent base stations and adjust notice, decides whether to need to make the neighbor cell of described cell-of-origin and corresponding covers adjustment action triggering adjacent base station.Scheme two is: source base station sends to target BS and covers the request of adjustment, and target BS carries out adjustment result being sent to after covering adjusts source base station or some adjacent base stations.The present invention performs the covering adjustment action of neighbor cell by covering the message trigger adjacent base station such as adjustment notice, covering adjustment request, so that execution coverage optimization can be combined in multiple base stations, achieve the self-organizing for MPS process, self-optimizing, improve optimization efficiency.
Description
Technical field
The present invention relates to moving communicating field, in particular to be the self-organizing of mobile communications network, in self-optimizing scheme, for the processing method of coverage optimization.
Background technology
In cellular mobile communications network, from the point of view of wireless signal, whole network is made up of an a lot of community；From the point of view of network element device, being made up of an a lot of base station, each base station is for realizing one or several communities in wireless network.The general coverage that the region that can effectively use cell signal to realize communication service is defined as this community, is called for short MPS process.
Because the impact of wireless environment variation, the impact of network planning change, the impact of network device state, during the actual operation of network, MPS process there will be, and covers cavity, and up-downgoing covers does not mates, the unbalanced problem of area of coverage business.
The most this kind of covering problem is all manually solved by network optimization personnel.Along with the development of mobile communications network, Virtual network operator is desirable that can be more rapid, and more efficiently by mobile communications network by self-organizing, the mechanism of self-optimizing solves these problems.As a example by LTE system, presently, there are and utilize UE to realize the method for RLF (RadioLinkFailure Radio Link Failure) information reporting to carry out covering problem detection, UE can RRC rebuild or when set up by occur before some information reportings when RLF to base station, Serving cell and the signal quality etc. of abutting subdistrict when such as there is RLF.These information that base station utilizes UE to report can carry out the detection of covering problem, the most simplest judgement according to being if UE there is RLF when Serving cell and around the signal of adjacent area the most very poor, then it is believed that there is covering problem in this area.Meanwhile, the RLF reporting information of UE can also pass to other base stations by interface, other base stations make decisions.
The existing optimal way to MPS process has the drawback that: due to MPS process ability and the restriction of volume of business, when there is covering problem in network, the coverage only adjusting a community can not produce a desired effect, when adjusting the coverage of a community, community around also must adjust coverage, otherwise it is possible to produce new covering problem, therefore, the workload optimized is big, and efficiency is low.
Summary of the invention
In view of this, present invention is primarily targeted at a kind of multiple base stations united method and device carrying out coverage optimization of offer, be used for solving in existing coverage optimization scheme, many base stations are inharmonious, optimize inefficient problem.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of multiple base stations united method carrying out coverage optimization, the method includes:
Complete in cell-of-origin after himself covering adjusts, base station, place, described cell-of-origin to send MPS process to adjacent base station and adjust notification message, decide whether to need the neighbor cell of described cell-of-origin is made and corresponding cover adjustment action triggering adjacent base station；The cell that described MPS process adjusts in notification message includes at least: covering adjustment action and described cell-of-origin that described cell-of-origin identifier, described cell-of-origin perform perform to cover the reason adjusted；The action wherein covering adjustment is probably adjustment or the adjustment of covering position of up-downgoing covering size；The reason that covering adjusts is probably and makes up covering cavity or load balancing, or up-downgoing covers and do not mates；Cover and adjust in reason and may further comprise: the quality of up-downgoing channel, uplink and downlink load information etc..
Or, when cell-of-origin meets preset trigger condition, base station, place, described cell-of-origin sending MPS process to adjacent base station and adjust request, described MPS process adjusts request and adjusts for asking adjacent base station to carry out the neighbor cell of described cell-of-origin covering；Cell in described MPS process adjustment request message includes at least: cell-of-origin identifier, needs carry out covering the identifier of the neighbor cell adjusted, the covering adjustment action needing neighbor cell to perform and need neighbor cell to perform the reason that covering adjusts；The action wherein covering adjustment is probably adjustment or the adjustment of covering position of up-downgoing covering size；Cover the reason adjusted to be probably and make up covering cavity or load balancing or up-downgoing cover and do not mate.Cover the specifying information adjusted in reason and potentially include the quality of up-downgoing channel, uplink and downlink load information, hardware load information etc..
It is relatively light that described preset trigger condition refers to that cell-of-origin needs neighbor cell to carry out covering the condition adjusted, such as cell-of-origin load, can expand the coverage area, absorb more business, and neighbor cell just can reduce coverage, absorbs less business；The most such as cell-of-origin load is heavier, needs to reduce coverage, absorbs less business, needs neighbor cell to increase coverage, absorbs more business；Cell-of-origin equipment fault causes up-downgoing covering not mate for another example, and it is front/rear that cell-of-origin is forced to reduce coverage, needs neighbor cell to expand the coverage area.
Further, after adjacent base station in base station, place, described cell-of-origin receives the adjustment request of described MPS process, corresponding covering adjustment action is performed according to own situation, and adjusting response to described cell-of-origin transmission MPS process, the cell in this response message includes at least: the result that cell-of-origin identifier, the cell identifier carrying out covering adjustment and covering adjust.
Further, described method also includes, source base station is when subscriber equipment handoff failure being detected, handover report (HANDOVERREPORT) is sent to adjacent base station, described handover report is for notifying the reason of neighbor cell handoff failure, if before sending handover report, source base station has carried out covering the operation adjusted according to the reason of handoff failure, then can carry the cell identifier adjusted that covers being complete in neighbor cell in handover report message, covering adjustment action and covering adjust reason.The action wherein covering adjustment is probably the adjustment of up-downgoing covering size, or the adjustment of covering position；The reason that covering adjusts is probably and makes up covering cavity, or load balancing, or up-downgoing covers and do not mates.Cover the specifying information adjusted in reason and potentially include the quality of up-downgoing channel, uplink and downlink load information etc..
Based on said method, the present invention the most correspondingly proposes a kind of multiple base stations united device carrying out coverage optimization, and described device is positioned at base station, and a kind of implementation of this device includes:
Adjust notification module, adjust notification message for sending MPS process to adjacent base station, decide whether to need the neighbor cell of described cell-of-origin is made and corresponding cover adjustment action triggering adjacent base station；The cell that described MPS process adjusts in notification message includes at least: covering adjustment action and described cell-of-origin that described cell-of-origin identifier, described cell-of-origin perform perform to cover the reason adjusted；
Notification handler module, for after receiving described MPS process adjustment notification message, performs corresponding covering adjustment action；
The another kind of implementation of this device includes:
Adjusting request module, adjust request for sending MPS process to adjacent base station, described MPS process adjusts request and adjusts for asking adjacent base station to carry out the neighbor cell of described cell-of-origin covering；Cell in described MPS process adjustment request message includes at least: cell-of-origin identifier, needs carry out covering the identifier of the neighbor cell adjusted, the covering adjustment action needing neighbor cell to perform and need neighbor cell to perform the reason that covering adjusts；
Adjust respond module, for after receiving the adjustment request of described MPS process, corresponding covering adjustment action is performed according to own situation, and adjusting response to described cell-of-origin transmission MPS process, the cell in this response message includes at least: the result that cell-of-origin identifier, the cell identifier carrying out covering adjustment and covering adjust.
Further, described device also includes:
Report sending module, for at source base station when subscriber equipment handoff failure being detected, handover report is sent to adjacent base station, if before sending described handover report, cell-of-origin has carried out covering the operation of adjustment according to the reason of handoff failure, then carry in neighbor cell cell identifier, the covering adjustment action being complete covering and adjusting in handover report and cover adjustment reason；
Report processing module, is used for deciding whether that covering adjustment action accordingly is made in the neighbor cell of described cell-of-origin by needs according to the cell identifier being complete covering adjustment in the described neighbor cell carried in described handover report, covering adjustment action and covering adjustment reason.
In described device, the described action covering adjustment comprises: up-downgoing covers the adjustment of size, the adjustment of covering position；The described reason adjusted that covers comprises: makes up covering cavity, load balancing or up-downgoing covering and does not mates.Described covering adjusts quality and/or the uplink and downlink load information also comprising up-downgoing channel in reason.
The present invention performs the covering adjustment action of neighbor cell by covering the message trigger adjacent base station such as adjustment notice, covering adjustment request, so that execution coverage optimization can be combined in multiple base stations, achieve the self-organizing for MPS process, self-optimizing, improve optimization efficiency.
Accompanying drawing explanation
Figure 1A, Figure 1B, Fig. 1 C and Fig. 1 D is the process chart of the embodiment of the present invention one；
Fig. 2 A, Fig. 2 B, Fig. 2 C and the process chart that Fig. 2 D is the embodiment of the present invention two；
Fig. 3 A, Fig. 3 B, Fig. 3 C, Fig. 3 D and the process chart that Fig. 3 E is the embodiment of the present invention three；
Fig. 4 is the first multiple base stations united structure drawing of device carrying out coverage optimization of the present invention；
Fig. 5 is the multiple base stations united structure drawing of device carrying out coverage optimization of the second of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, by the following examples and referring to the drawings, the present invention is described in more detail.
Below as a example by LTE system, realizing, being transmitted by X2 interface is correlated with covers adjustment notice, or the when of covering adjustment request, can be completed by single flow process, can also complete by increasing cell in the message of other flow processs, concrete steps are as described in the following Examples.
Embodiment one
In LTE system, by transmitting covering adjustment instruction message at X2 interface so that the problem carrying out covering adjustment solution covering cavity can be combined in many base stations.Figure 1A, Figure 1B, Fig. 1 C be according to embodiments of the present invention one carry out multiple base stations united cover adjust schematic diagram, Fig. 1 D is the method flow diagram of the present embodiment, the method particularly as follows:
Step S101: evolution base station eNB 1 receives the Radio Link Failure that UE reports, finds to cover cavity, as shown in Figure 1A；
Step S102:eNB1 triggers and increases coverage operation, after coverage increase as shown in Figure 1B；
Step S103:eNB1 sends MPS process by X2 interface to evolution base station eNB 2 and adjusts notice, described MPS process adjusts and comprises cell identifier, covering adjustment action in notice and cover adjustment reason, wherein, cell identifier is the cell identifier the most successfully adjusting covering, the i.e. identifier of the eNB1 jurisdiction district in the present embodiment, covering adjustment action is to increase up-downgoing coverage, covers adjustment reason empty for making up covering, and addition of relevant up-downgoing radio signal quality；
After step S104:eNB2 receives the MPS process adjustment notice that eNB1 sends, according to the cell identifier completing to cover adjustment carried in message, cover the up-downgoing radio signal quality adjusting reason and being correlated with, judging whether eNB2 yet suffers from covering cavity in the place adjacent with eNB1, if existing, performing step S105；Do not process；
Step S105:eNB2 triggers and increases coverage operation, and Landfill covering cavity disappears, such as Fig. 1 C.
Embodiment two
In LTE system, adjust request message by transmitting MPS process at X2 interface so that the problem carrying out covering adjustment solution load balancing can be combined in many base stations.Fig. 2 A, Fig. 2 B, Fig. 2 C be according to embodiments of the present invention two carry out multiple base stations united cover adjust schematic diagram, Fig. 2 D is the method flow diagram of the present embodiment, the method particularly as follows:
Step S201: increase telephone traffic on eNB1 and increase load balancing startup thresholding, when the telephone traffic on eNB1 overload equilibrium enabling gate in limited time, eNB1 triggers the operation reducing coverage, coverage reduce before as shown in Figure 2 A, coverage reduce after as shown in Figure 2 B
Step S202:eNB1 is after completing coverage reduction operation, send MPS process by X2 interface to eNB2 and eNB3 and adjust request, wherein comprise needs and adjust the cell identifier covered, the covering adjustment action needed is to increase up-downgoing coverage, and covering the reason adjusted is load balancing, and addition of the uplink and downlink load of eNB1, wish that eNB2 and eNB3 is after receiving message, coverage can be increased, to absorb the borderline business that is distributed in, and make up the covering cavity being likely to occur.
Step S203, after eNB2 receives the MPS process adjustment request that eNB1 sends, information on load according to the eNB1 carried in message, judge that the telephone traffic that eNB2 self carries is the most more, suitable with the load of eNB1, the most do not trigger coverage to adjust, then return MPS process to eNB1 and adjust response message, wherein comprise eNB2 and do not carry out covering the information adjusted.
Step S204, after eNB3 receives the MPS process adjustment request that eNB1 sends, information on load according to the eNB1 carried in message, judge that the telephone traffic that eNB3 self carries is less, can be the eNB1 telephone traffic of sharing on segment boundary, thus trigger and increase up-downgoing coverage, as shown in Figure 2 C, after eNB3 adjusts coverage, eliminate the covering cavity caused owing to eNB1 reduces coverage.Finally return MPS process to eNB1 and adjust response message, wherein comprise eNB3 according to the result needing to increase up-downgoing coverage of eBN1.
Embodiment three
In LTE system, by X2 interface transmit handover report message so that many base stations can combine carry out cover adjust solve up-downgoing cover unmatched problem.Fig. 3 A, Fig. 3 B, Fig. 3 C, Fig. 3 D be according to embodiments of the present invention three carry out multiple base stations united cover adjust schematic diagram, Fig. 3 E is the method flow diagram of the present embodiment, the method particularly as follows:
Step S301:eNB1 detects the flow process of UE handoff failure, performance is that switching is too early, quality of uplink signal is the best, practical illustration up-downgoing covers does not mates, up covering is poorer than descending covering, and such as Fig. 3 A, in figure, dotted line represents up overlay area, therefore eNB1 triggers the process reducing descending coverage, such as Fig. 3 B；
After step S302:eNB1 completes to reduce the process of descending coverage, send handover report message by X2 interface to eNB2 and eNB3, handover report message increases cell or uses the particular value of existing cell to carry the cell identifier of the neighbor cell having completed covering adjustment under eNB1, cover the action adjusted and cover the reason of adjustment；Wherein, in the present embodiment, covering the action adjusted is to reduce descending coverage, and covering the reason adjusted is that up-downgoing covering is not mated, and additional relevant up-downgoing radio signal quality.
Step S303, after eNB2 receives the handover report that eNB1 sends, according to the relevant up-downgoing radio signal quality information carried in message, judge that there is up-downgoing covers unmatched situation, again because eNB1 has reduced descending coverage, at this moment eNB2 triggers coverage adjustment, increases the up-downgoing coverage with eNB1 neighbor cell, such as Fig. 3 C, to ensure that the covering between eNB1 and eNB2 does not has cavity；
Step S304, after eNB3 receives the handover report that eNB1 sends, according to the relevant up-downgoing radio signal quality information carried in message, judge that there is up-downgoing covers unmatched situation, again because eNB1 has reduced descending coverage, at this moment eNB3 triggers coverage adjustment, increases the up-downgoing coverage with eNB1 neighbor cell, such as Fig. 3 D, to ensure that the covering between eNB1 and eNB3 does not has cavity.
For realizing the method for the invention, the present invention proposes a kind of multiple base stations united device carrying out coverage optimization, and described device has two kinds of possible realizations；
In the first realizes structure, comprise adjustment notification module and notification handler module in a base station, as shown in Figure 4；
Adjust notification module and adjust notification message for sending MPS process to adjacent base station, decide whether to need the neighbor cell of described cell-of-origin is made and corresponding cover adjustment action triggering adjacent base station；The cell that described MPS process adjusts in notification message includes at least: covering adjustment action and described cell-of-origin that described cell-of-origin identifier, described cell-of-origin perform perform to cover the reason adjusted；
Notification handler module, for after receiving described MPS process adjustment notification message, performs corresponding covering adjustment action；
In the second realizes structure, comprise adjustment request module in a base station, adjust respond module, as shown in Figure 5；
Adjusting request module and adjust request for sending MPS process to adjacent base station, described MPS process adjusts request and adjusts for asking adjacent base station to carry out the neighbor cell of described cell-of-origin covering；Cell in described MPS process adjustment request message includes at least: cell-of-origin identifier, needs carry out covering the identifier of the neighbor cell adjusted, the covering adjustment action needing neighbor cell to perform and need neighbor cell to perform the reason that covering adjusts；
Adjust respond module for after receiving the adjustment request of described MPS process, corresponding covering adjustment action is performed according to own situation, and adjusting response to described cell-of-origin transmission MPS process, the cell in this response message includes at least: the result that cell-of-origin identifier, the cell identifier carrying out covering adjustment and covering adjust.
On the basis of above-mentioned two realizes structure, described device also can farther include: report sending module and report processing module；
Report sending module is used at source base station when subscriber equipment handoff failure being detected, handover report is sent to adjacent base station, if before sending described handover report, cell-of-origin has carried out covering the operation of adjustment according to the reason of handoff failure, then carry in neighbor cell cell identifier, the covering adjustment action being complete covering and adjusting in handover report and cover adjustment reason；
Report processing module is used for deciding whether that covering adjustment action accordingly is made in the neighbor cell of described cell-of-origin by needs according to the cell identifier being complete covering adjustment in the described neighbor cell carried in described handover report, covering adjustment action and covering adjustment reason.
The described action covering adjustment comprises: up-downgoing covers the adjustment of size, the adjustment of covering position；The described reason adjusted that covers comprises: makes up covering cavity, load balancing or up-downgoing covering and does not mates.Described covering adjusts quality and/or the uplink and downlink load information that also can further include up-downgoing channel in reason.
In sum, the above embodiment of the present invention is passed through, it is provided that adjust instruction by transmitting to cover between base station, to realize multiple base stations united covering adjustment, it is achieved the target that the network coverage optimizes.
Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculating device, they can concentrate on single calculating device, or it is distributed on the network that multiple calculating device is formed, alternatively, they can realize with calculating the executable program code of device, thus, can be stored in storing in device and be performed by calculating device, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize.So, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (9)
1. the multiple base stations united method carrying out coverage optimization, it is characterised in that including:
Base station, place, cell-of-origin sends MPS process to adjacent base station and adjusts notification message, decides whether to need to make the neighbor cell of described cell-of-origin and corresponding covers adjustment action triggering adjacent base station；The cell that described MPS process adjusts in notification message includes at least: what described cell-of-origin identifier, described cell-of-origin performed covers the covering adjustment reason of adjustment action and the execution of described cell-of-origin；Or,
Base station, place, cell-of-origin sends MPS process to adjacent base station and adjusts request, and described MPS process adjusts request and adjusts for asking adjacent base station to carry out the neighbor cell of described cell-of-origin covering；The cell that described MPS process adjusts in request message includes at least: cell-of-origin identifier, needs carry out covering the identifier of neighbor cell, the covering adjustment action needing neighbor cell to perform adjusted and needing neighbor cell to perform to cover adjustment reason.
Method the most according to claim 1, it is characterised in that described method also includes:
Base station, place, cell-of-origin is when subscriber equipment handoff failure being detected, handover report is sent to adjacent base station, if before sending described handover report, cell-of-origin has carried out covering the operation of adjustment according to the reason of handoff failure, then carry in handover report and be complete the cell identifier of the neighbor cell covering adjustment under base station, place, cell-of-origin, cover adjustment action and cover adjustment reason.
Method the most according to claim 1 and 2, it is characterized in that, after adjacent base station in base station, place, described cell-of-origin receives the adjustment request of described MPS process, corresponding covering adjustment action is performed according to own situation, and adjusting response to described cell-of-origin transmission MPS process, the cell in this response message includes at least: the result that cell-of-origin identifier, the cell identifier carrying out covering adjustment and covering adjust.
Method the most according to claim 1 and 2, it is characterised in that the action that described covering adjusts comprises: up-downgoing covers the adjustment of size, the adjustment of covering position；The described adjustment reason that covers comprises: makes up covering cavity, load balancing or up-downgoing covering and does not mates.
Method the most according to claim 4, it is characterised in that described covering adjusts quality and/or the uplink and downlink load information also comprising up-downgoing channel in reason.
6. the multiple base stations united device carrying out coverage optimization, it is characterised in that described device includes:
Adjust notification module, adjust notification message for sending MPS process to adjacent base station, decide whether to need the neighbor cell of cell-of-origin is made and corresponding cover adjustment action triggering adjacent base station；The cell that described MPS process adjusts in notification message includes at least: what described cell-of-origin identifier, described cell-of-origin performed covers the covering adjustment reason of adjustment action and the execution of described cell-of-origin；
Notification handler module, for after receiving described MPS process adjustment notification message, performs corresponding covering adjustment action；
Or, described device includes:
Adjusting request module, adjust request for sending MPS process to adjacent base station, described MPS process adjusts request and adjusts for asking adjacent base station to carry out the neighbor cell of described cell-of-origin covering；The cell that described MPS process adjusts in request message includes at least: cell-of-origin identifier, needs carry out covering the identifier of neighbor cell, the covering adjustment action needing neighbor cell to perform adjusted and needing neighbor cell to perform to cover adjustment reason；
Adjust respond module, for after receiving the adjustment request of described MPS process, corresponding covering adjustment action is performed according to own situation, and adjusting response to described cell-of-origin transmission MPS process, the cell in this response message includes at least: the result that cell-of-origin identifier, the cell identifier carrying out covering adjustment and covering adjust.
Device the most according to claim 6, it is characterised in that described device also includes:
Report sending module, for in base station, place, cell-of-origin when subscriber equipment handoff failure being detected, handover report is sent to adjacent base station, if before sending described handover report, cell-of-origin has carried out covering the operation of adjustment according to the reason of handoff failure, then carry in handover report and be complete the cell identifier of the neighbor cell covering adjustment under base station, place, cell-of-origin, cover adjustment action and cover adjustment reason；
Report processing module, is used for deciding whether that covering adjustment action accordingly is made in the neighbor cell of described cell-of-origin by needs according to the cell identifier being complete covering adjustment in the described neighbor cell carried in described handover report, covering adjustment action and covering adjustment reason.
8. according to the device described in claim 6 or 7, it is characterised in that the action that described covering adjusts comprises: up-downgoing covers the adjustment of size, the adjustment of covering position；The described adjustment reason that covers comprises: makes up covering cavity, load balancing or up-downgoing covering and does not mates.
Device the most according to claim 8, it is characterised in that described covering adjusts quality and/or the uplink and downlink load information also comprising up-downgoing channel in reason.
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| CN201010186942.5A CN102264084B (en) | 2010-05-26 | 2010-05-26 | A kind of multiple base stations united method and device carrying out coverage optimization |
| PCT/CN2011/074448 WO2011147282A1 (en) | 2010-05-26 | 2011-05-20 | Method and apparatus for multi-base station implementing covering optimization jointly |
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| CN103179580B (en) * | 2011-12-23 | 2017-11-07 | 中兴通讯股份有限公司 | A kind of adaptive coverage optimization method and device |
| CN104980939A (en) * | 2014-04-09 | 2015-10-14 | 华为技术有限公司 | Network coverage hole processing method and device based on inter-system switching |
| CN106817716B (en) * | 2015-11-30 | 2021-05-11 | 中兴通讯股份有限公司 | Compensation method and device for self-healing of cell |
| CN108076468B (en) * | 2016-11-08 | 2020-12-25 | 上海中兴软件有限责任公司 | Cross-zone coverage processing method and device |
| CN109413676B (en) * | 2018-12-11 | 2021-11-02 | 西北大学 | Combined downstream and upstream edge calculation migration method in ultra-dense heterogeneous network |
| CN113923690A (en) * | 2021-09-01 | 2022-01-11 | 江苏百应信息技术有限公司 | Neighbor cell optimization method and base station in mobile communication network |
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| CN101557654A (en) * | 2008-04-07 | 2009-10-14 | 中兴通讯股份有限公司 | Method and system for network coverage optimization processing |
| CN101594681A (en) * | 2008-05-27 | 2009-12-02 | 中兴通讯股份有限公司 | A kind of method that realizes the self-optimizing of LTE system |
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| CN101102606B (en) * | 2007-07-20 | 2010-07-14 | 中兴通讯股份有限公司 | An indoor distributed system for supporting real time network optimization and its implementation method |
| US9485675B2 (en) * | 2008-02-29 | 2016-11-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Method of operating wireless communications network and base station for use in wireless communication network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101557654A (en) * | 2008-04-07 | 2009-10-14 | 中兴通讯股份有限公司 | Method and system for network coverage optimization processing |
| CN101594681A (en) * | 2008-05-27 | 2009-12-02 | 中兴通讯股份有限公司 | A kind of method that realizes the self-optimizing of LTE system |
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