CN103281763A - Method and device for adjusting transmitting power of base station - Google Patents
Method and device for adjusting transmitting power of base station Download PDFInfo
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- CN103281763A CN103281763A CN2013101526575A CN201310152657A CN103281763A CN 103281763 A CN103281763 A CN 103281763A CN 2013101526575 A CN2013101526575 A CN 2013101526575A CN 201310152657 A CN201310152657 A CN 201310152657A CN 103281763 A CN103281763 A CN 103281763A
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Abstract
The embodiment of the invention provides a method and a device for adjusting the transmitting power of a base station, which are used for solving the problem in the prior art that when user equipment which is not included in a micro base station occurs near the micro base station, the interference of the user equipment which is not included in the micro base station can not be reduced in time. The method comprises the following steps of when detecting the condition that the interference strength of uplink signals of the micro base station is larger than a first threshold value, determining the fact that the user equipment which is not included in the micro base station exists near the micro base station; and stopping the micro base station from transmitting signals.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of method and apparatus of adjusting base station transmitting power.
Background technology
Home eNodeB can cover macro base station the area that can not cover, thereby a large number of services in the shunting macro base station is saved cost.
But Home eNodeB generally is private the deployment, does not pass through the network planning, and the user can random installation.Therefore carry out can having a potential problem when scale is disposed at Home eNodeB, namely to the interference of the subscriber equipment of macro base station become more at random and be difficult to control.Therefore, generally require Home eNodeB to have self-organizing network (SON) function.The SON function comprises functions such as frequency configuration, power configuration and neighbor cell configuration, and wherein frequency configuration and power configuration have very large influence to the interference between system.
The method that a kind of more common solution is disturbed is to be the adjacent different frequency of base station configuration.But when the family base station scale of carrying out is disposed, because frequency resource is limited, be difficult to guarantee therefore, serious co-channel interference may occur between the Home eNodeB or between Home eNodeB and the macro base station for all Home eNodeB or for the Home eNodeB configuration frequency different with the macro base station configuration.
The method that another kind of more common control is disturbed is to carry out power control.The SON functional requirement base station of Home eNodeB can adaptive configuration Initial Trans and adaptive calibration power.Wherein, the power self-configuring be exactly when Home eNodeB just powers on the disturbed condition according to surrounding environment come the Initial Trans of configurating base station adaptively, after power self-calibration referred to that the base station is finished the self-configuring process and entered normal operating conditions, the transmitting power of adjusting the base station adaptively made it reduce interference to surrounding environment when satisfying coverage as far as possible.
But, when Home eNodeB carries out power self-calibration in the prior art, generally be the periodic calibration transmitting power.The transmitting power of namely determining the current period base station is lower, and the transmitting power with the base station when next cycle begins improves, and perhaps, determines that the transmitting power of current period is higher, and the transmitting power with the base station when next cycle begins reduces.And in this periodic calibration cycle of operated by rotary motion long, if in one-period, in the time of near the subscriber equipment of macro base station is come Home eNodeB, the meeting of communicating by letter between the subscriber equipment in the Home eNodeB and this Home eNodeB causes interference to communicating by letter between the subscriber equipment in the macro base station and the macro base station.And because Home eNodeB only just can carry out the adjustment of transmitting power at next cycle, therefore, in this cycle, the interference of communicating by letter to the subscriber equipment in this macro base station between the subscriber equipment in the Home eNodeB and this Home eNodeB can't be eliminated.
In sum, femto cell of the prior art can only be adjusted transmitting power again after one-period finishes, and when the subscriber equipment of non-this femto cell occurring near femto cell, can't in time reduce the interference to the subscriber equipment of non-this femto cell.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of adjusting base station transmitting power, can't in time reduce the problem to the interference of the subscriber equipment of non-this femto cell when solving in the prior art near the subscriber equipment that occurs non-this femto cell femto cell.
Based on the problems referred to above, a kind of method of adjusting base station transmitting power that the embodiment of the invention provides comprises:
In the upward signal interference strength that detects femto cell during greater than first threshold value, determine to exist near this femto cell the subscriber equipment in non-this femto cell;
Stopping this femto cell transmits.
A kind of device of adjusting base station transmitting power that the embodiment of the invention provides comprises:
Determination module is used in the upward signal interference strength that detects femto cell during greater than first threshold value, determines to exist near this femto cell the subscriber equipment in non-this femto cell;
Stop/opening module, be used for stopping this femto cell and transmit.
The beneficial effect of the embodiment of the invention comprises:
A kind of method and apparatus of adjusting base station transmitting power that the embodiment of the invention provides in the upward signal interference strength that detects this femto cell during greater than first threshold value, determines to exist near this femto cell the subscriber equipment in non-this femto cell; Then, stop this femto cell and transmit, thereby eliminate this femto cell near the interference of the subscriber equipment that does not belong to this femto cell it, and then realization is near the protection of the subscriber equipment that does not belong to this femto cell it.
Description of drawings
One of flow chart of a kind of method of adjusting base station transmitting power that Fig. 1 provides for the embodiment of the invention;
Two of the flow chart of a kind of method of adjusting base station transmitting power that Fig. 2 provides for the embodiment of the invention;
Fig. 3 is for determining the flow chart of the method for target base station shifting for each subscriber equipment in the femto cell in the embodiment of the invention;
Three of the flow chart of a kind of method of adjusting base station transmitting power that Fig. 4 provides for the embodiment of the invention;
A kind of method flow chart in actual applications of adjusting base station transmitting power that Fig. 5 provides for the embodiment of the invention;
A kind of structure drawing of device of adjusting base station transmitting power that Fig. 6 provides for the embodiment of the invention.
Embodiment
A kind of method and apparatus of adjusting base station transmitting power that the embodiment of the invention provides, by in the upward signal interference strength that detects femto cell during greater than first threshold value, stop this femto cell and transmit, thereby eliminated the interference of this femto cell near the subscriber equipment of non-this femto cell it.
Below in conjunction with Figure of description, a kind of embodiment of adjusting the method and apparatus of base station transmitting power that the embodiment of the invention is provided describes.
A kind of method of adjusting base station transmitting power that the embodiment of the invention provides as shown in Figure 1, specifically may further comprise the steps:
S101, in the upward signal interference strength that detects femto cell during greater than first threshold value, determine to exist near this femto cell the subscriber equipment in non-this femto cell;
S102, stop this femto cell and transmit.
Femto cell periodically detects the upward signal interference strength of self, and when the upward signal interference strength that detects self during greater than first threshold value, femto cell is judged near the subscriber equipment that has this femto cell in non-this femto cell.
In a certain concrete application scenarios, subscriber equipment A is the subscriber equipment in the base station 1, base station 1 be positioned at femto cell 2 near, subscriber equipment A is near femto cell 2 time, signal can be received by femto cell 2 when subscriber equipment A communicated by letter with base station 1, thereby femto cell 2 is formed interference, and this interference is that the upward signal of femto cell 2 disturbs.Femto cell 2 periodically detects the upward signal interference strength of self, thereby determines subscriber equipment in the base station 1 whether near femto cell 2.
Preferably, a kind of method of adjusting base station transmitting power that the embodiment of the invention provides as shown in Figure 2, also comprises:
S101a, according to the report of the down-run survey of each user equipment to report in the femto cell, each subscriber equipment that is respectively in this femto cell is determined the target base station shifting;
Each subscriber equipment in S101b, the described femto cell of indication switches to target base station shifting separately.
After subscriber equipment is linked into femto cell, femto cell issues the tabulation of adjacent base station to the subscriber equipment that inserts self, the tabulation of the adjacent base station that the subscriber equipment in the femto cell issues according to femto cell, when carrying out business, subscriber equipment is periodically measured the incoming level of adjacent base station and reception signal strength signal intensity and the received signal quality of Serving cell, and measurement result is reported this femto cell.
Each subscriber equipment that femto cell is respectively is wherein determined the target base station shifting, and indicate each subscriber equipment in this femto cell to switch to separately target base station shifting, when the subscriber equipment of this femto cell service all during successful switch, stopping this femto cell transmits, thereby under the prerequisite of the service quality of subscriber equipment that can be in guaranteeing this femto cell, eliminate the interference to the subscriber equipment in non-this femto cell.
Further, according to the descending incoming level of the adjacent base station of each user equipment to report in the femto cell, each subscriber equipment that is respectively in this femto cell is determined the target base station shifting, as shown in Figure 3, specifically comprises:
S301, at a subscriber equipment in the femto cell, according to the information of the top n adjacent base station that incoming level is the highest in the report of the down-run survey of this user equipment to report, select incoming level in the top n adjacent base station and be not less than the base station that second threshold value and this subscriber equipment can handover success;
The base station that incoming level is the highest in S302, the base station determining to select is the target base station shifting of this subscriber equipment.
S301 is when practical operation, can be from the information of top n adjacent base station the selective reception level be not less than the base station of second threshold value, order this subscriber equipment according to the incoming level order from high to low of the base station that chooses then, attempt successively switching, until handover success.Namely this subscriber equipment at first attempts switching to the highest adjacent base station of incoming level, if success, then the base station that this incoming level is the highest is the target base station shifting of this subscriber equipment.Get nowhere if switch, then attempt switching to incoming level time high adjacent base station, if success, then this incoming level time high adjacent base station is the target base station shifting of this subscriber equipment.So repeatedly, be not less than a base station in the base station of second threshold value until subscriber equipment successful switch incoming level in the top n adjacent base station.If this subscriber equipment can't switch to any one base station in the base station that incoming level in the top n adjacent base station is not less than second threshold value, subscriber equipment resident former femto cell still then.
Further, a kind of method of adjusting base station transmitting power that the embodiment of the invention provides as shown in Figure 4, also comprises:
S103, after the upward signal interference strength that detects this femto cell is not more than first threshold value, open this femto cell and transmit.
At this moment, this femto cell can be adjusted into transmitting power the transmitting power before near determine to exist this femto cell non-this femto cell the subscriber equipment, also can be according to the disturbed condition of surrounding environment configuration of transmit power adaptively.
Exist near above-mentioned definite femto cell non-this femto cell subscriber equipment, stop/opening femto cell transmit, for the subscriber equipment select target base station shifting in the femto cell, carry out by femto cell.
In order to further specify a kind of method of adjusting base station transmitting power that the embodiment of the invention provides, illustrate with the flow process of being carried out this method by femto cell in actual applications below.Fig. 5 has provided this method flow chart in actual applications, comprising:
S501, femto cell periodically detect the upward signal interference strength of self;
S502, after the upward signal interference strength that detects self is greater than first threshold value, femto cell determines to exist near it subscriber equipment of non-this femto cell;
S503, at a subscriber equipment in the femto cell, femto cell is according to the incoming level of the highest top n adjacent base station of the down-run survey report incoming level of this user equipment to report, judge whether this subscriber equipment has the adjacent base station that is fit to switch to exist, and the adjacent base station that namely whether has incoming level to be not less than second threshold value exists; If, carry out S504, otherwise, S501 carried out;
S504, judge incoming level in the highest top n adjacent base station of incoming level is not less than whether there is the base station that this subscriber equipment can successful switch in the base station of second threshold value; If, then carry out S505, otherwise, S501 carried out;
S505, indicate this subscriber equipment to switch to the incoming level the highest base station of this subscriber equipment in can the base station of successful switch;
Repeat S503, S504 and S505, have what subscriber equipmenies in the femto cell, just carry out S503, S504 and S505 how many times;
S506, femto cell judge whether all subscriber equipmenies have wherein all switched to other base station, if, carry out S507, otherwise, S501 carried out;
S507, femto cell stop emission signal;
S508, femto cell restart to transmit after the upward signal interference strength that detects self is not more than first threshold value.
Based on same inventive concept, the embodiment of the invention also provides a kind of device of adjusting base station transmitting power, because the principle that this device is dealt with problems is similar to the method for aforementioned adjustment base station transmitting power, therefore the enforcement of this device can repeat part and repeat no more referring to the enforcement of preceding method.
The embodiment of the invention provides a kind of device of adjusting base station transmitting power, as shown in Figure 6, comprising:
Stop/opening module 62, be used for stopping this femto cell and transmit.
Preferably, determination module 61, also be used for after having the subscriber equipment of non-this femto cell near definite femto cell, before the indication femto cell stops emission signal, down-run survey report according to each user equipment to report in this femto cell, each subscriber equipment that is respectively in this femto cell is determined the target base station shifting, and indicates each subscriber equipment in this femto cell to switch to separately target base station shifting.
Further, determination module 61, a concrete subscriber equipment that is used at femto cell, information according to the top n adjacent base station that incoming level is the highest in the down-run survey report of this user equipment to report, select incoming level in the top n adjacent base station and be not less than the base station that second threshold value and this subscriber equipment can handover success, the base station that incoming level is the highest in the base station of determining to select is the target base station shifting of this subscriber equipment.。
Further, stop/opening module 62, also be used for then opening this femto cell and transmitting stopping to be not more than first threshold value if detect the upward signal interference strength of this femto cell after this femto cell transmits.
Through the above description of the embodiments, those skilled in the art can be well understood to the embodiment of the invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, the technical scheme of the embodiment of the invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number does not represent the quality of embodiment just to description.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (8)
1. a method of adjusting base station transmitting power is characterized in that, comprising:
In the upward signal interference strength that detects femto cell during greater than first threshold value, determine to exist near this femto cell the subscriber equipment in non-this femto cell;
Stopping this femto cell transmits.
2. the method for claim 1 is characterized in that, near determining femto cell, have the subscriber equipment in non-this femto cell after, stop also to comprise before this femto cell transmits:
According to the down-run survey report of each user equipment to report in the described femto cell, each subscriber equipment that is respectively in the described femto cell is determined the target base station shifting;
Indicate each subscriber equipment in the described femto cell to switch to separately target base station shifting.
3. method as claimed in claim 2 is characterized in that, according to the down-run survey report of each user equipment to report in the described femto cell, each subscriber equipment that is respectively in the described femto cell is determined the target base station shifting, specifically comprises:
At a subscriber equipment in the femto cell, information according to the top n adjacent base station that incoming level is the highest in the down-run survey report of this user equipment to report, select incoming level in the top n adjacent base station and be not less than the base station that second threshold value and described subscriber equipment can handover success, the base station that incoming level is the highest in the base station of determining to select is the target base station shifting of described subscriber equipment.
4. the method for claim 1 is characterized in that, is stopping after described femto cell transmits, and described method also comprises:
After the upward signal interference strength that detects described femto cell is not more than first threshold value, opens described femto cell and transmit.
5. a device of adjusting base station transmitting power is characterized in that, comprising:
Determination module is used in the upward signal interference strength that detects femto cell during greater than first threshold value, determines to exist near this femto cell the subscriber equipment in non-this femto cell;
Stop/opening module, be used for stopping this femto cell and transmit.
6. device as claimed in claim 5 is characterized in that, described determination module also is used for:
After near determining femto cell, having the subscriber equipment in non-this femto cell, before the indication femto cell stops emission signal, down-run survey report according to each user equipment to report in the described femto cell, each subscriber equipment that is respectively in the described femto cell is determined the target base station shifting, and indicates each subscriber equipment in the described femto cell to switch to separately target base station shifting.
7. device as claimed in claim 6 is characterized in that, described determination module specifically is used for:
At a subscriber equipment in the femto cell, information according to the top n adjacent base station that incoming level is the highest in the down-run survey report of this user equipment to report, select incoming level in the top n adjacent base station and be not less than the base station that second threshold value and described subscriber equipment can handover success, the base station that incoming level is the highest in the base station of determining to select is the target base station shifting of described subscriber equipment.
8. device as claimed in claim 5 is characterized in that, described stopping/opening module also is used for:
After the signal that stops described femto cell emission, be not more than first threshold value if detect the upward signal interference strength of described femto cell, then open described femto cell and transmit.
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| CN201310152657.5A CN103281763B (en) | 2013-04-27 | 2013-04-27 | A kind of method and apparatus adjusting base station transmitting power |
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| CN201310152657.5A CN103281763B (en) | 2013-04-27 | 2013-04-27 | A kind of method and apparatus adjusting base station transmitting power |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060165032A1 (en) * | 2005-01-25 | 2006-07-27 | Jyri Hamalainen | Method of reducing interference in indoor cell in wireless cellular communication network |
| CN102075977A (en) * | 2011-01-20 | 2011-05-25 | 上海大唐移动通信设备有限公司 | Method and equipment for controlling interference |
| CN102187731A (en) * | 2008-12-22 | 2011-09-14 | 联发科技股份有限公司 | Reliable femtocell system for wireless communication networks |
| CN102685826A (en) * | 2011-03-17 | 2012-09-19 | 华为技术有限公司 | Switching processing method, device and system |
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2013
- 2013-04-27 CN CN201310152657.5A patent/CN103281763B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060165032A1 (en) * | 2005-01-25 | 2006-07-27 | Jyri Hamalainen | Method of reducing interference in indoor cell in wireless cellular communication network |
| CN102187731A (en) * | 2008-12-22 | 2011-09-14 | 联发科技股份有限公司 | Reliable femtocell system for wireless communication networks |
| CN102075977A (en) * | 2011-01-20 | 2011-05-25 | 上海大唐移动通信设备有限公司 | Method and equipment for controlling interference |
| CN102685826A (en) * | 2011-03-17 | 2012-09-19 | 华为技术有限公司 | Switching processing method, device and system |
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| CN103281763B (en) | 2016-08-10 |
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Effective date of registration: 20180224 Address after: 510663 Shenzhou Road, Guangzhou Science City, Guangzhou, Guangzhou economic and Technological Development Zone, Guangdong Province, No. 10 Co-patentee after: Comba Telecom Systems (Guangzhou) Co., Ltd. Patentee after: Comba Telecom System (China) Co., Ltd. Co-patentee after: Jingxin Communication Technology (Guangzhou) Co., Ltd. Co-patentee after: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. Address before: 510663 Guangdong city of Guangzhou Province Economic and Technological Development Zone Jinbi Road No. 6 Patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. |
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Effective date of registration: 20200106 Address after: 510663 No. 10, Shenzhou Road, Science City, Guangzhou, economic and Technological Development Zone, Huangpu District, Guangzhou, Guangdong Province Patentee after: Jingxin Communication System (China) Co., Ltd. Address before: 510663 Shenzhou Road, Guangzhou Science City, Guangzhou, Guangzhou economic and Technological Development Zone, Guangdong Province, No. 10 Co-patentee before: Jingxin Communication System (Guangzhou) Co., Ltd. Patentee before: Jingxin Communication System (China) Co., Ltd. Co-patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |
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Address after: 510663 No.10, Shenzhou Road, Guangzhou Science City, economic and Technological Development Zone, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 No.10, Shenzhou Road, Guangzhou Science City, economic and Technological Development Zone, Huangpu District, Guangzhou City, Guangdong Province Patentee before: Comba Telecom System (China) Ltd. |