CN103249131B - The self-alignment method and apparatus of a kind of base station down transmitting power - Google Patents
The self-alignment method and apparatus of a kind of base station down transmitting power Download PDFInfo
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Abstract
Embodiments provide the self-alignment method and apparatus of a kind of base station down transmitting power, the problem of the down transmitting power of base station the need of adjustment can not be determined exactly in order to solve prior art.The method comprises: judge that the base station signal that receives in a period of time covers the down-run survey report satisfied condition in the down-run survey report of lower user equipment to report and accounts for the ratio that total down-run survey reports and whether be not less than first threshold, and in the described time period, whether the quantity of the access request that described base station receives is not more than Second Threshold; If described in the down-run survey report that the satisfies condition ratio that accounts for the report of total down-run survey be not less than first threshold and the quantity of access request that described base station receives is not more than Second Threshold, then keep the down transmitting power of described base station constant; Otherwise, adjust the down transmitting power of described base station.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to the self-alignment method and apparatus of a kind of base station down transmitting power.
Background technology
Home eNodeB can cover the area that macro base station can not cover, shunting macro base station in a large number of services thus cost-saving.
But Home eNodeB is generally private deployment, and not through the network planning, user can random installation.Therefore can there is a potential problem when Home eNodeB carries out Scaledeployment, the more Stochastic sum namely become the interference of the subscriber equipment of macro base station is difficult to control.Therefore, General Requirements Home eNodeB has self-organizing network (SON) function.SON function comprises the functions such as frequency configuration, power configuration and neighbor cell configuration, and wherein frequency configuration and power configuration have very large impact to the interference between system.
A kind of method of more common solution interference is for adjacent base station configures different frequencies.But when Home eNodeB carries out Scaledeployment, because frequency resource is limited, be difficult to ensure as all Home eNodeB or configure different frequencies for Home eNodeB from macro base station, therefore, between Home eNodeB or between Home eNodeB and macro base station, serious co-channel interference may be occurred.
The method of another kind of more common control interference carries out power control.The SON functional requirement base station of Home eNodeB can adaptive configuration Initial Trans and adaptive calibration power.Wherein, power self-configuring is exactly the Initial Trans carrying out configurating base station adaptively when Home eNodeB just powers on according to the disturbed condition of surrounding environment, power self-calibration refers to that base station completes after self-configuring process enters normal operating conditions, and the transmitting power adjusting base station adaptively makes it while meeting coverage, reduce interference to surrounding environment as far as possible.
In prior art, the method for power self-calibration is generally in a measurement period, and adjust down transmitting power by collecting the measurement report of mobile terminal reporting, wherein, measurement report comprises downlink reception level and downlink reception quality.But, mobile subscriber is randomly dispersed in the coverage of Home eNodeB, when within some cycles, user distance Home eNodeB is very near, in the measurement report counted on, incoming level and the quality of reception are very well, and if the transmitting power that the problem that the transmitting power now reducing base station is brought is base station can not meet the communication quality covering edge customer.That is, the measurement report only gathering mobile terminal reporting of the prior art is not too accurately to the method whether down transmitting power weighing base station is suitable.Therefore, whether the method for existing power self-calibration is suitable due to the down transmitting power can not weighing base station exactly, also just result in the down transmitting power that the method can not adjust base station exactly.
In sum, the method for existing power self-calibration can not determine that whether the down transmitting power of base station is suitable exactly, and namely prior art can not determine that the down transmitting power of base station is the need of adjustment exactly.
Summary of the invention
Embodiments provide the self-alignment method and apparatus of a kind of base station down transmitting power, the problem of the down transmitting power of base station the need of adjustment can not be determined exactly in order to solve prior art.
Based on the problems referred to above, a kind of self-alignment method of base station down transmitting power that the embodiment of the present invention provides, comprising:
Judge that the base station signal that receives in a period of time covers the down-run survey report satisfied condition in the down-run survey report of lower user equipment to report and accounts for the ratio that total down-run survey reports and whether be not less than first threshold, and in the described time period, whether the quantity of the access request that described base station receives is not more than Second Threshold; Wherein, the down-run survey report satisfied condition refer to the downlink reception level that comprises higher than the first threshold value and the downlink reception quality comprised report higher than the down-run survey of the second threshold value;
If described in the down-run survey report that the satisfies condition ratio that accounts for the report of total down-run survey be not less than first threshold and the quantity of access request that described base station receives is not more than Second Threshold, then keep the down transmitting power of described base station constant; Otherwise, adjust the down transmitting power of described base station;
Wherein, adjust the down transmitting power of described base station, specifically comprise:
If the quantity of the access request received in the described time period is greater than Second Threshold, then the down transmitting power of described base station is reduced; If the quantity of the access request received in the described time period is not more than Second Threshold, and described in the down-run survey report that the satisfies condition ratio that accounts for the report of total down-run survey be less than first threshold, then the down transmitting power of described base station is raised.
The self-alignment device of a kind of base station down transmitting power that the embodiment of the present invention provides, comprising:
Judge module, for judging that the base station signal that receives in a period of time covers the down-run survey report satisfied condition in the down-run survey report of lower user equipment to report and accounts for the ratio that total down-run survey reports and whether be not less than first threshold, and in the described time period, whether the quantity of the access request that described base station receives is not more than Second Threshold; Wherein, the down-run survey report satisfied condition refer to the downlink reception level that comprises higher than the first threshold value and the downlink reception quality comprised report higher than the down-run survey of the second threshold value; And the ratio that the down-run survey report for satisfying condition described accounts for total down-run survey report be not less than first threshold and the quantity of access request that described base station receives is not more than Second Threshold time, do not send the instruction of the down transmitting power of the described base station of adjustment to adjusting module; Otherwise, the instruction of the down transmitting power of the described base station of adjustment is sent to described adjusting module;
Adjusting module, for after the instruction of down transmitting power receiving the described base station of adjustment that described judge module sends, adjusts the down transmitting power of described base station;
Described judge module specifically for: if the quantity of the access request received in the described time period is greater than Second Threshold, then send the instruction reduced by the down transmitting power of described base station to described adjusting module; Described adjusting module, specifically for after the instruction reduced by the down transmitting power of described base station receiving the transmission of described judge module, reduces the down transmitting power of described base station;
Described judge module specifically for: if the quantity of the access request received in the described time period is not more than Second Threshold, and described in the down-run survey report that the satisfies condition ratio that accounts for the report of total down-run survey when being less than first threshold, then send the instruction raised by the down transmitting power of described base station to described adjusting module; Described adjusting module, specifically for after the instruction raised by the down transmitting power of described base station receiving the transmission of described judge module, raises the down transmitting power of described base station.
The beneficial effect of the embodiment of the present invention comprises:
The self-alignment method and apparatus of the base station down transmitting power that the embodiment of the present invention provides, the down-run survey of the user equipment to report under being covered by the base station signal received in a period of time is reported and in this time period, the quantity of the access request of the subscriber equipment transmission that this base station receives determines that the transmitting power of this base station is the need of adjustment jointly; The ratio that the down-run survey the satisfied condition report of the user equipment to report under the base station signal that only receives within this time period covers accounts for total down-run survey report is not less than first threshold, and the quantity of the access request that this base station receives is not more than Second Threshold in this time period, that is, base station can either provide normal service for the subscriber equipment under base station signal covering, when can not cause larger interference to the subscriber equipment of this base station non-of surrounding again, confirm that the down transmitting power of base station does not need adjustment; Otherwise, confirm that the down transmitting power of base station needs adjustment, thus accurately judge that the down transmitting power of base station is the need of adjustment.
Accompanying drawing explanation
One of flow chart of the self-alignment method of base station down transmitting power that Fig. 1 provides for the embodiment of the present invention;
The flow chart two of the self-alignment method of base station down transmitting power that Fig. 2 provides for the embodiment of the present invention;
The flow chart of the method that the down transmitting power of this base station is reduced that Fig. 3 provides for the embodiment of the present invention;
The flow chart of the method that the down transmitting power of this base station is raised that Fig. 4 provides for the embodiment of the present invention;
The self-alignment method of the base station down transmitting power flow chart in actual applications that Fig. 5 provides for the embodiment of the present invention;
The structure chart of the self-alignment device of base station down transmitting power that Fig. 6 provides for the embodiment of the present invention.
Embodiment
The self-alignment method and apparatus of a kind of base station down transmitting power that the embodiment of the present invention provides, the down-run survey of the user equipment to report under being covered by the base station signal received in a period of time is reported and in this time period, the quantity of the access request of the subscriber equipment transmission that this base station receives determines that the transmitting power of this base station is the need of adjustment jointly, thus the method overcoming existing power self-calibration can not determine the problem of the down transmitting power of base station the need of adjustment exactly.
Below in conjunction with Figure of description, the embodiment of the self-alignment method and apparatus of a kind of base station down transmitting power that the embodiment of the present invention provides is described.
A kind of self-alignment method of base station down transmitting power that the embodiment of the present invention provides, as shown in Figure 1, specifically comprises the following steps:
S101, judge whether the quantity of the access request that subscriber equipment that in a period of time, base station receives sends is not more than Second Threshold, and this base station signal covers the down-run survey report satisfied condition in the down-run survey report of lower user equipment to report and accounts for the ratio that total down-run survey reports and whether be not less than first threshold in this period, if, perform S102, otherwise, perform S103; Wherein, comprise this base station signal in down-run survey report and cover the downlink reception quality that the downlink reception level of this base station that lower subscriber equipment is measured and this base station signal cover this base station of lower subscriber equipment measurement, the down-run survey satisfied condition report refer to this downlink reception level higher than the first threshold value and this downlink reception quality report higher than the down-run survey of the second threshold value;
The transmitting power of S102, maintenance base station is constant;
The transmitting power of S103, adjustment base station.
Subscriber equipment under base station signal covers periodically reports down-run survey to report to this base station between service period, when subscriber equipment is in busy state, such as, when making a phone call, subscriber equipment reports one-shot measurement to report every 480ms, wherein, the down-run survey report reported comprises downlink reception level and downlink reception quality.
Described base station is after the access request receiving subscriber equipment transmission, if this base station is only authorized user device and provides service, so, this base station can judge whether the subscriber equipment sending access request is authorized user, if, this base station allows the subscriber equipment sending access request to access this base station, otherwise this base station does not allow the subscriber equipment sending access request to access this base station.After the subscriber equipment sending access request is accessed by this base station refusal, this subscriber equipment can not send access request to this base station repeatedly.
Wherein, adjust the transmitting power of this base station, as shown in Figure 2, specifically comprise:
S103a, judge whether the quantity of the access request that subscriber equipment that in this period, base station receives sends is not more than Second Threshold, and this base station signal covers the down-run survey report satisfied condition in the down-run survey report of lower user equipment to report and accounts for the ratio that total down-run survey reports and whether be less than first threshold in this period, if, perform S103b, otherwise, perform S103c;
S103b, the down transmitting power of this base station to be raised;
S103c, the down transmitting power of this base station to be reduced.
Wherein, the condition performing S103c is that the quantity of the access request of the subscriber equipment transmission that in this period, base station receives is greater than Second Threshold.
Further, the down transmitting power of this base station is reduced, as shown in Figure 3, comprising:
S301, after this time period terminates, determine the target transmit power of this base station, wherein, target transmit power is the transmitting power transmitting power of this base station within this time period reduced after downward power steps; I.e. P
goal1=P
original1-Δ
decrease, wherein, P
goal1for target transmit power, P
origina1lfor the transmitting power of base station in this time period, Δ
decreasefor downward power steps;
Transmitting power larger in S302, minimum emissive power that target transmit power and this base station are allowed as the new transmitting power of this base station, i.e. P
new1=max (P
goal1, P
min), wherein, P
new1for the transmitting power that this base station is new, P
minfor the minimum emissive power that this base station allows;
S303, the down transmitting power of this base station is adjusted to the new transmitting power P of this base station
new1.
Further, the down transmitting power of this base station is raised, as shown in Figure 4, comprising:
S401, after this time period terminates, determine the target transmit power of this base station, wherein, target transmit power is the transmitting power increased by the transmitting power increased wattage of this base station within this time period after step-length; I.e. P
goal2=P
original2+ Δ
increase, wherein, P
goal2for target transmit power, P
origina12for the transmitting power of base station in this time period, Δ
increasefor power increases step-length;
The transmitting power that transmitting power less in S402, the maximum transmission power that target transmit power and this base station allowed is new as this base station, i.e. P
new2=min (P
goal2, P
max), wherein, P
new2for the new transmitting power of this base station, P
maxfor the maximum transmission power that this base station allows;
S403, the down transmitting power of this base station is adjusted to the new transmitting power P of this base station
new2.
In order to understand a kind of self-alignment method of base station down transmitting power that the embodiment of the present invention provides better, judge that the down transmitting power of self is the need of adjusting and a kind of self-alignment method of base station down transmitting power workflow in actual applications that provides to further illustrate the embodiment of the present invention of the down transmitting power adjusting self for base station below.
A kind of self-alignment method of base station down transmitting power that the embodiment of the present invention provides workflow in actual applications as shown in Figure 5, comprising:
S501, base station arrange timing duration T, and opening timing device;
The down-run survey of the user equipment to report that S502, base station receive under the covering of this base station signal is reported, and receives the access request of subscriber equipment transmission, until timer timing completes;
S503, base station judge whether the quantity of the access request received is greater than Second Threshold, if so, performs S504, otherwise, perform S505;
The transmitting power of self is adjusted to transmitting power larger in the minimum emissive power that target transmit power and this base station allow by S504, base station, wherein, target transmit power is the transmitting power transmitting power of this base station in the timing duration T of timer reduced after downward power steps; Then, S501 is performed;
S505, base station judge whether the ratio that the measurement report satisfied condition in the measurement report received accounts for total down-run survey report is not less than first threshold, if so, performs S506, otherwise, perform S507; Wherein, the down-run survey report satisfied condition refer to downlink reception level that this base station signal covers this base station that lower subscriber equipment is measured higher than the first threshold value and this base station signal cover under the downlink reception quality of this base station of subscriber equipment measurement report higher than the down-run survey of the second threshold value;
S506, base station keep the transmitting power of self constant; Then, S501 is performed;
The transmitting power of self is adjusted to transmitting power less in the maximum transmission power that target transmit power and this base station allow by S507, base station, wherein, target transmit power is the transmitting power increased by the transmitting power increased wattage of this base station within this time period after step-length; Then, S501 is performed.
Based on same inventive concept, the embodiment of the present invention additionally provides the self-alignment device of a kind of base station down transmitting power, the principle of dealing with problems due to this device is similar to the self-alignment method of aforementioned base station down transmitting power, therefore the enforcement of this device see the enforcement of preceding method, can repeat part and repeats no more.
The self-alignment device of a kind of base station down transmitting power that the embodiment of the present invention provides, as shown in Figure 6, comprising:
Judge module 61, for judging that the base station signal that receives in a period of time covers the ratio that the down-run survey report satisfied condition in the down-run survey report of lower user equipment to report accounts for total down-run survey report and whether is not less than first threshold, and whether the quantity of access request that this time period this base station interior receives is not more than Second Threshold; Wherein, the down-run survey report satisfied condition refer to the downlink reception level that comprises higher than the first threshold value and the downlink reception quality comprised report higher than the down-run survey of the second threshold value; And the ratio for accounting for the report of total down-run survey in the down-run survey report satisfied condition be not less than first threshold and the quantity of access request that this base station receives is not more than Second Threshold time, do not send the instruction of the down transmitting power of this base station of adjustment to adjusting module 62; Otherwise, the instruction of the down transmitting power of this base station of adjustment is sent to adjusting module 62;
Adjusting module 62, for after the instruction of down transmitting power receiving this base station of adjustment that judge module 61 sends, adjusts the down transmitting power of this base station.
Further, judge module 61, specifically for when determining that the quantity of the access request received in this time period is greater than Second Threshold, sends the instruction reduced by the down transmitting power of this base station to adjusting module 62; Adjusting module 62, specifically for after the instruction reduced by the down transmitting power of this base station receiving judge module 61 transmission, reduces the down transmitting power of this base station.
Further, adjusting module 62, specifically for the down transmitting power of this base station being adjusted to transmitting power larger in minimum emissive power that target transmit power and this base station allow after this time period terminates, wherein, target transmit power is the transmitting power transmitting power of this base station within this time period reduced after downward power steps.
Further, judge module 61, specifically for determining that the quantity of the access request received in this time period is not more than Second Threshold, and the ratio that the down-run survey satisfied condition report accounts for the report of total down-run survey is when being less than first threshold, send the instruction raised by the down transmitting power of this base station to adjusting module 62; Adjusting module 62, specifically for after the instruction raised by the down transmitting power of this base station receiving judge module 61 transmission, raises the down transmitting power of this base station.
Further, adjusting module 62, specifically for the down transmitting power of this base station being adjusted to transmitting power less in maximum transmission power that target transmit power and this base station allow after this time period terminates, wherein, target transmit power is the transmitting power increased by the transmitting power increased wattage of this base station within this time period after step-length.
Through the above description of the embodiments, those skilled in the art can be well understood to the embodiment of the present invention can by hardware implementing, and the mode that also can add necessary general hardware platform by software realizes.Based on such understanding, the technical scheme of the embodiment of the present 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 and perform method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in 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 in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (6)
1. the self-alignment method of base station down transmitting power, is characterized in that, comprising:
Judge that the base station signal that receives in a period of time covers the down-run survey report satisfied condition in the down-run survey report of lower user equipment to report and accounts for the ratio that total down-run survey reports and whether be not less than first threshold, and in the described time period, whether the quantity of the access request that described base station receives is not more than Second Threshold; Wherein, the down-run survey report satisfied condition refer to the downlink reception level that comprises higher than the first threshold value and the downlink reception quality comprised report higher than the down-run survey of the second threshold value;
If described in the down-run survey report that the satisfies condition ratio that accounts for the report of total down-run survey be not less than first threshold and the quantity of access request that described base station receives is not more than Second Threshold, then keep the down transmitting power of described base station constant; Otherwise, adjust the down transmitting power of described base station;
Wherein, adjust the down transmitting power of described base station, specifically comprise:
If the quantity of the access request received in the described time period is greater than Second Threshold, then the down transmitting power of described base station is reduced; If the quantity of the access request received in the described time period is not more than Second Threshold, and described in the down-run survey report that the satisfies condition ratio that accounts for the report of total down-run survey be less than first threshold, then the down transmitting power of described base station is raised.
2. the method for claim 1, is characterized in that, is reduced by the down transmitting power of described base station, specifically comprises:
The down transmitting power of described base station is adjusted to transmitting power larger in the minimum emissive power that target transmit power and described base station allow after the described time period terminates, wherein, target transmit power is the transmitting power transmitting power of described base station within the described time period reduced after downward power steps.
3. the method for claim 1, is characterized in that, is raised by the down transmitting power of described base station, specifically comprises:
The down transmitting power of described base station is adjusted to transmitting power less in the maximum transmission power that target transmit power and described base station allow after the described time period terminates, wherein, target transmit power is the transmitting power increased by the transmitting power increased wattage of described base station within the described time period after step-length.
4. the self-alignment device of base station down transmitting power, is characterized in that, comprising:
Judge module, for judging that the base station signal that receives in a period of time covers the down-run survey report satisfied condition in the down-run survey report of lower user equipment to report and accounts for the ratio that total down-run survey reports and whether be not less than first threshold, and in the described time period, whether the quantity of the access request that described base station receives is not more than Second Threshold; Wherein, the down-run survey report satisfied condition refer to the downlink reception level that comprises higher than the first threshold value and the downlink reception quality comprised report higher than the down-run survey of the second threshold value; And the ratio that the down-run survey report for satisfying condition described accounts for total down-run survey report be not less than first threshold and the quantity of access request that described base station receives is not more than Second Threshold time, do not send the instruction of the down transmitting power of the described base station of adjustment to adjusting module; Otherwise, the instruction of the down transmitting power of the described base station of adjustment is sent to described adjusting module;
Adjusting module, for after the instruction of down transmitting power receiving the described base station of adjustment that described judge module sends, adjusts the down transmitting power of described base station;
Described judge module specifically for: if the quantity of the access request received in the described time period is greater than Second Threshold, then send the instruction reduced by the down transmitting power of described base station to described adjusting module; Described adjusting module, specifically for after the instruction reduced by the down transmitting power of described base station receiving the transmission of described judge module, reduces the down transmitting power of described base station;
Described judge module specifically for: if the quantity of the access request received in the described time period is not more than Second Threshold, and described in the down-run survey report that the satisfies condition ratio that accounts for the report of total down-run survey when being less than first threshold, then send the instruction raised by the down transmitting power of described base station to described adjusting module; Described adjusting module, specifically for after the instruction raised by the down transmitting power of described base station receiving the transmission of described judge module, raises the down transmitting power of described base station.
5. device as claimed in claim 4, is characterized in that, described adjusting module specifically for:
The down transmitting power of described base station is adjusted to transmitting power larger in the minimum emissive power that target transmit power and described base station allow after the described time period terminates, wherein, target transmit power is the transmitting power transmitting power of described base station within the described time period reduced after downward power steps.
6. device as claimed in claim 4, is characterized in that, described adjusting module specifically for:
The down transmitting power of described base station is adjusted to transmitting power less in the maximum transmission power that target transmit power and described base station allow after the described time period terminates, wherein, target transmit power is the transmitting power increased by the transmitting power increased wattage of described base station within the described time period after step-length.
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| CN105263185B (en) * | 2015-09-06 | 2018-09-28 | 上海斐讯数据通信技术有限公司 | Dynamic adjusting method, system and the wireless access point of wireless access point transmission power |
| CN111466140B (en) * | 2017-12-25 | 2021-12-03 | 华为技术有限公司 | Parameter adjusting method and related equipment |
| CN108304525B (en) * | 2018-01-25 | 2022-02-11 | 创新先进技术有限公司 | Condition data determination method and device |
| JP6839124B2 (en) * | 2018-03-30 | 2021-03-03 | Kddi株式会社 | Information processing equipment, repeaters, radio wave output control methods, and programs |
| CN110099363B (en) * | 2019-03-28 | 2022-04-05 | 苏州德沃元驰信息科技有限公司 | Marketing advertisement platform data distribution method and system based on consumption big data |
| CN110012485A (en) * | 2019-04-10 | 2019-07-12 | 惠州Tcl移动通信有限公司 | A kind of base station classification control method, system, storage medium and mobile terminal |
| CN117178599A (en) * | 2022-04-02 | 2023-12-05 | 北京小米移动软件有限公司 | Interference suppression method and device and storage medium |
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| CN102835161A (en) * | 2010-10-10 | 2012-12-19 | Lg电子株式会社 | Method for controlling downlink transmission power and apparatus for same |
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| CN102076009A (en) * | 2009-11-25 | 2011-05-25 | 中国移动通信集团广东有限公司 | Cell monitoring method and device |
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