CN102572928B - Method and system for adjusting parameters and method for reporting measurement results, as well as equipment - Google Patents
Method and system for adjusting parameters and method for reporting measurement results, as well as equipment Download PDFInfo
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- CN102572928B CN102572928B CN201010624734.9A CN201010624734A CN102572928B CN 102572928 B CN102572928 B CN 102572928B CN 201010624734 A CN201010624734 A CN 201010624734A CN 102572928 B CN102572928 B CN 102572928B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a method and system for adjusting parameters, and a method for reporting measurement results, as well as equipment, belonging to the communication field. The method for adjusting parameters comprises the following steps: measure configuration information is sent to user equipment in a serving cell by a base station; and measurement results reported by the user equipment are received by the base station. If the base station judges that no coverage leak exists when parameters of the serving cell are adjusted according to a preset parameter-adjusting scheme on the basis of the measurement results, the base station adjusts the parameters of the serving cell according to the preset parameter-adjusting scheme. According to the method, whether coverage leak exists when parameters of the serving cell are adjusted according to the preset parameter-adjusting scheme is judged before parameters of the serving cell are adjusted and the parameters of the serving cell are adjusted on the premise that no coverage leak exists, energy-saving performance is guaranteed and coverage leak is avoided, thereby avoiding call drop, switching failure and the like.
Description
Technical field
The present invention relates to the communications field, particularly a kind of method, equipment and system adjusting parameter and report with measurement.
Background technology
Within a wireless communication network, no matter be Macro Cell (macrocell), or Femto is Cell (Microcell), in order to make UE (the User Equipment in community, subscriber equipment) can normal received signal, various cell parameter all needs to reach certain value.Wherein, cell parameter includes but not limited to power, bandwidth, antenna number etc.From energy-conservation angle, usually need to adjust cell parameter, to reduce energy waste.
In prior art, a kind of mode adjusting cell parameter is the NTXA (Number of Transit Antenna, transmit antenna quantity) by reducing base station, to reduce its aerial transmitting power, thus reaches energy-conservation effect; The mode of another kind of adjustment parameter is when not reducing antenna, directly reduces transmitting power energy-conservation to carry out; In addition, directly bandwidth can also be reduced, energy-conservation to carry out.
Realizing in process of the present invention, inventor finds that prior art at least exists following shortcoming:
Prior art is when adjusting cell parameter, no matter be the NTXA reducing base station, or the directly size of Modulating Power, or directly adjust amount of bandwidth, wireless signal all will be decayed to some extent, meet RSRP (the Reference Signal Received Power of UE access, Reference Signal Received Power) or RSRQ (Reference Signal Received Quality, Reference Signal Received Quality) region of thresholding also reduces immediately, cell coverage area is caused to reduce, and covering leak may be produced in the process reduced at cell coverage area, namely there is the situation that UE covers without cell signal, thus cause UE call drop, or handoff failure.
Summary of the invention
In order to while guarantee energy-efficient performance, avoid producing and cover leak, embodiments provide a kind of adjust parameter method, measure the method, the equipment and system that report.
One aspect of the present invention provides a kind of method adjusting parameter, the method comprises: base station sends measurement configuration information to the subscriber equipment in Serving cell, and described measurement configuration information is used to indicate the signal quality that described subscriber equipment measures the signal quality of described Serving cell and the neighbor cell of described Serving cell; Described base station receives the measurement result of described user equipment to report; The estimated value of the signal quality of Serving cell described in described measurement result after adjusting according to the measurement difference estimated parameter of signal quality before and after parameter adjustment of described Serving cell; Judge whether the estimated value of the signal quality of described Serving cell is more than or equal to coverage threshold; If so, then when judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak; If not, and be more than or equal to coverage threshold without the signal quality of the described neighbor cell in the signal quality of neighbor cell or described measurement result in described measurement result, when then judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak; If when judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak, then described base station is according to the parameter of Serving cell described in the described parameter adjustment project setting pre-set.
The present invention provides a kind of base station on the other hand, this base station comprises: transmitting element, for sending measurement configuration information to the subscriber equipment in Serving cell, described measurement configuration information is used to indicate the signal quality that described subscriber equipment measures the signal quality of described Serving cell and the neighbor cell of described Serving cell; Receiving element, for receiving the measurement result of described user equipment to report; Judging unit, for adjusting the estimated value of the signal quality of Serving cell described in rear described measurement result according to the measurement difference estimated parameter of the signal quality of described Serving cell before and after parameter adjustment; Judge whether the estimated value of the signal quality of described Serving cell is more than or equal to coverage threshold; If so, then when judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak; If not, and be more than or equal to coverage threshold without the signal quality of the described neighbor cell in the signal quality of neighbor cell or described measurement result in described measurement result, when then judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak; Adjustment unit, for when the judged result of described judging unit covers leak for not existing, according to the parameter of Serving cell described in the described parameter adjustment project setting pre-set.
Further aspect of the present invention additionally provides a kind of method that measurement reports, the method comprises: subscriber equipment receives the measurement configuration information that base station sends, and described measurement configuration information is used to indicate the service quality that described subscriber equipment measures the signal quality of Serving cell and the neighbor cell of described Serving cell, described subscriber equipment measures the signal quality of described Serving cell according to described measurement configuration information, described subscriber equipment receives the measurement difference of signal quality before and after parameter adjustment of the described Serving cell that described base station sends, described subscriber equipment, according to the signal quality of the described Serving cell measured and described measurement difference, estimates the estimated value of the signal quality of described Serving cell after the parameter adjustment of described Serving cell, when the estimated value of the signal quality of described Serving cell is less than coverage threshold, the service quality of described neighbor cell measured by described subscriber equipment, described subscriber equipment is to described base station report measurement results, the estimated value of the signal quality of Serving cell described in described measurement result after being adjusted according to the measurement difference estimated parameter of the signal quality of described Serving cell before and after parameter adjustment by described base station, and judge whether the estimated value of the signal quality of described Serving cell is more than or equal to coverage threshold, if when judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak, then according to the parameter of Serving cell described in the described parameter adjustment project setting pre-set.
Further aspect of the present invention additionally provides a kind of subscriber equipment, this subscriber equipment comprises: the first receiving element, for receiving the measurement configuration information that base station sends, described measurement configuration information is used to indicate the service quality that described subscriber equipment measures the signal quality of Serving cell and the neighbor cell of described Serving cell, first measuring unit, the measurement configuration information for receiving according to described first receiving element measures the signal quality of described Serving cell, second receiving element, for receiving the measurement difference of signal quality before and after parameter adjustment of the described Serving cell that described base station sends, estimation unit, for the described measurement difference that the signal quality of described Serving cell that measures according to described first measuring unit and described second receiving element receive, estimate the estimated value of the signal quality of described Serving cell after the parameter adjustment of described Serving cell, first judging unit, whether the estimated value for the signal quality judging the described Serving cell that described estimation unit exports is less than coverage threshold, second measuring unit, for when the estimated value that the judged result of described first judging unit is the signal quality of described Serving cell is less than coverage threshold, measures the signal quality of described neighbor cell, report unit, for reporting the measurement result of described first measuring unit and described second measuring unit, the estimated value of the signal quality of Serving cell described in described measurement result after being adjusted according to the measurement difference estimated parameter of the signal quality of described Serving cell before and after parameter adjustment by described base station, and judge whether the estimated value of the signal quality of described Serving cell is more than or equal to coverage threshold, if when judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak, then according to the parameter of Serving cell described in the described parameter adjustment project setting pre-set.
Further aspect of the present invention additionally provides a kind of system adjusting parameter, and this system comprises above-mentioned base station and subscriber equipment.
Technique scheme, by before the parameter of adjustment Serving cell, covering leak whether is there is when prejudging the parameter according to the parameter adjustment project setting Serving cell pre-set, and under without the prerequisite covering leak, the parameter of Serving cell is adjusted, not only ensure that energy-efficient performance, avoid the generation covering leak simultaneously, thus avoid the generation of the situation such as call drop, handoff failure.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram of the adjustment parameter that the embodiment of the present invention one provides;
Fig. 2 is the method flow diagram that measurement that the embodiment of the present invention one provides reports;
Fig. 3 is the cell coverage area schematic diagram that the embodiment of the present invention two provides;
Fig. 4 is the method flow diagram of the adjustment parameter that the embodiment of the present invention two provides;
Fig. 5 is the forward and backward cell coverage area schematic diagram of adjustment parameter that the embodiment of the present invention two provides;
Fig. 6 is the architecture of base station schematic diagram that the embodiment of the present invention three provides;
Fig. 7 is the judge module structural representation that the embodiment of the present invention three provides;
Fig. 8 is the another kind of architecture of base station schematic diagram that the embodiment of the present invention three provides;
Fig. 9 is another architecture of base station schematic diagram that the embodiment of the present invention three provides;
Figure 10 is the user device architecture schematic diagram that the embodiment of the present invention four provides;
Figure 11 is the another kind of user device architecture schematic diagram that the embodiment of the present invention four provides;
Figure 12 is the adjustment parameter system structural representation that the embodiment of the present invention five provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
Present embodiments provide a kind of method adjusting parameter, see Fig. 1, the method flow process comprises following content.
101: base station sends measurement configuration information to the subscriber equipment in Serving cell, this measurement configuration information is used to indicate the signal quality that subscriber equipment measures the signal quality of Serving cell and the neighbor cell of Serving cell.
102: above-mentioned base station receives the measurement result of above-mentioned user equipment to report.
103: if according to measurement result, this base station judges that when the parameter of this base station according to the parameter adjustment project setting Serving cell pre-set, there is not covering leak, then this base station is according to the parameter of the parameter adjustment project setting Serving cell pre-set.
Wherein, above-mentioned measurement result comprises: the signal quality of the Serving cell of the user equipment to report in Serving cell and the signal quality of neighbor cell.
Particularly, judge when the parameter of base station according to the parameter adjustment project setting Serving cell pre-set, to there is not covering leak, specifically comprise according to measurement result:
Base station adjusts the estimated value of the signal quality of Serving cell in rear measurement result according to the measurement difference estimated parameter of the signal quality of Serving cell before and after parameter adjustment, and judges whether the estimated value of the signal quality of Serving cell is more than or equal to coverage threshold; If so, then when judging the parameter according to the parameter adjustment project setting Serving cell pre-set, there is not covering leak; If not, and be more than or equal to coverage threshold without the signal quality of the neighbor cell in the signal quality of neighbor cell or measurement result in measurement result, then, when judging the parameter according to the parameter adjustment project setting Serving cell pre-set, there is not covering leak.
Alternatively, before the measurement result that base station receives user equipment reports, the measurement difference of the signal quality of Serving cell before and after parameter adjustment can also be sent to subscriber equipment by this base station, after making the signal quality of subscriber equipment Serving cell after judging parameter adjustment according to measurement difference that coverage threshold will be less than, measure the signal quality of neighbor cell.
Alternatively, before parameter according to the parameter adjustment project setting Serving cell pre-set, this base station can also notify that the parameter of the control base station serving cell of neighbor cell will adjust, and carries out measurement configuration after the notice that the control base station of neighbor cell is terminated in the parameter adjustment receiving Serving cell again.
Alternatively, after the parameter according to the parameter adjustment project setting Serving cell pre-set, this base station can also by the control base station of the parameter adjustment temporal information of Serving cell notice neighbor cell.
In the present embodiment, above-mentioned signal quality can comprise RSRP and/or RSRQ.
On the other hand, see Fig. 2, the present embodiment additionally provides a kind of method that measurement reports, and the method flow process comprises following content.
201: subscriber equipment receives the measurement configuration information that base station sends, this measurement configuration information is used to indicate the service quality that subscriber equipment measures the signal quality of Serving cell and the neighbor cell of Serving cell.
202: this subscriber equipment measures the signal quality of Serving cell according to above-mentioned measurement configuration information.
203: this subscriber equipment receives the measurement difference of signal quality before and after parameter adjustment of the Serving cell that above-mentioned base station sends.It should be noted that, the operating sequence of 203 is not limited to after 202, also can before 201 or between 201 and 202.
204: this subscriber equipment, according to the signal quality of the Serving cell measured and above-mentioned measurement difference, estimates the estimated value of the signal quality of Serving cell after the parameter adjustment of Serving cell.
205: when the estimated value of the signal quality of Serving cell is less than coverage threshold, the service quality of above-mentioned neighbor cell measured by this subscriber equipment.
206: this subscriber equipment is to above-mentioned base station report measurement results.
Alternatively, subscriber equipment, to before the report measurement results of base station, when the estimated value of the signal quality judging Serving cell is less than coverage threshold, can also first judge whether the signal quality of neighbor cell is less than coverage threshold; When the signal quality of neighbor cell is less than coverage threshold, this subscriber equipment is again to base above-mentioned station report measurement results.
Wherein, above-mentioned measurement result comprises: the signal quality of Serving cell and the signal quality of neighbor cell.Above-mentioned signal quality comprises RSRP and/or RSRQ.
The method that the present embodiment provides, by before the parameter of adjustment Serving cell, covering leak whether is there is when prejudging the parameter according to the parameter adjustment project setting Serving cell pre-set, and under without the prerequisite covering leak, the parameter of Serving cell is adjusted, not only ensure that energy-efficient performance, avoid the generation covering leak simultaneously, thus avoid the generation of the situation such as call drop, handoff failure.In addition, by notifying that the parameter of this Serving cell, control base station of neighbor cell will adjust before the parameter of adjustment Serving cell, or by the control base station of the parameter adjustment temporal information of Serving cell notice neighbor cell after the parameter of adjustment Serving cell, thus it is ageing to ensure that neighbor cell measurement reports.
Embodiment two
Present embodiments provide a kind of method adjusting parameter, the method is by before the parameter of adjustment Serving cell, pre-set parameter adjustment scheme, and when judging there is not covering leak after the parameter of Serving cell is according to the parameter adjustment project setting pre-set, again the parameter of Serving cell is adjusted, thus produce covering leak after avoiding the parameter of adjustment Serving cell.Wherein, the present embodiment does not limit the design parameter Adjusted Option pre-set, and such as, parameter adjustment scheme can be reduce antenna number, such as, antenna number reduced by half, and also can be reduce power or bandwidth etc.No matter pre-set which kind of parameter adjustment scheme, all can determine the measurement difference of the signal quality before and after parameter adjustment according to the parameter adjustment scheme pre-set.For the parameter adjustment scheme pre-set for antenna in cell number is reduced to 2 by 4, after antenna number reduces by half, power also will reduce by half, and it measures difference is-3dBm.Next, the cell coverage area schematic diagram shown in composition graphs 3, is described in detail to the method that the present embodiment provides.
In Fig. 3, left side camber line represents the overlay area of community 1, and right side solid line enclosed region represents the overlay area of community 2.Community 1 and community 2 can be the communities under same base station controls, and can be the community under different base station controls, the present embodiment do concrete restriction to this yet.The UE being arranged in figure A place can be covered by community 1 and community 2 simultaneously, and the UE Jin Bei community 2 being arranged in figure B, C and D place covers.(two antennas that dotted line represents namely are reduced) after community, right side 2 reduces to 2 transmitting antennas by 4 transmitting antennas, the overlay area of community 2 in fact can be reduced to dotted line institute overlay area, now, as can be seen from Figure 3, the UE being arranged in figure A place covers from being become Jin Bei community 1 by two MPS process while of original, the UE being arranged in figure B and D place still covers Jin Bei community 2, and the UE being arranged in figure C place becomes without MPS process from originally being covered by community 2, namely exist after the adjustment of community 2 antenna number and cover leak, if the UE being then positioned at C place can produce the situation of the service disconnection such as call drop.
To this, the method that the present embodiment provides takes forward detection mechanism before the adjustment of community 2 antenna number, exists cover leak with this after avoiding community 2 antenna number adjustment.For convenience of description, the present embodiment measures the signal quality RSRP of community 2 and community 1 with the UE in indicating cell, base station 2, coverage threshold TH-RSRP is-70dBm (decibel millivolt or dBm), measurement difference before and after adjusting according to predetermined parameter adjustment scheme determination antenna in cell number is example for-3dBm, is described in detail to the method that the present embodiment provides.For Fig. 2, community 2 is Serving cell, and community 1 is the neighbor cell of Serving cell, and see Fig. 4, the method flow that the present embodiment provides comprises following content.
401: base station sends measurement configuration information to the UE in Serving cell, this measurement configuration information is used to indicate the RSRP that UE measures Serving cell and neighbor cell.
Particularly, no matter be the UE being in which position, after UE receives the measurement configuration information of base station transmission, all can trigger the RSRP measurement that UE carries out Serving cell and neighbor cell, the present embodiment does not limit the metering system that UE takes.
402: receive the measurement result that reports of UE, and the estimated value estimating the RSRP of Serving cell in this measurement result after the adjustment of serving cell antenna number according to the measurement difference of RSRP before and after antenna number adjustment of Serving cell.
Wherein, because the measurement difference of RSRP before and after antenna number adjustment of Serving cell is-3dBm, then for the UE being positioned at A place, if the RSRP of the measurement result small area 2 of this UE is-68dBm, then estimate that the estimated value of the RSRP of the rear community 2 of community 2 antenna number adjustment is-71dBm;
For the UE being positioned at B place, if the RSRP of the measurement result small area 2 of this UE is-63dBm, then estimate that the estimated value of the RSRP of the rear community 2 of community 2 antenna number adjustment is-66dBm;
For the UE being positioned at C place, if the RSRP of the measurement result small area 2 of this UE is-68dBm, then estimate that the estimated value of the RSRP of the rear community 2 of community 2 antenna number adjustment is-71dBm;
For the UE being positioned at D place, if the RSRP of the measurement result small area 2 of this UE is-60dBm, then estimate that the estimated value of the RSRP of the rear community 2 of community 2 antenna number adjustment is-63dBm.
In addition, for this step, UE report measurement results has two kinds of modes, the first is report measurement results after UE measurement terminates, the second is that the RSRP estimated value of Serving cell is less than coverage threshold after UE judges the antenna number adjustment of Serving cell, and the RSRP of neighbor cell is also less than report measurement results after coverage threshold.
No matter take the mode of which kind of report measurement results, measurement result is the RSRP of Serving cell and the RSRP of neighbor cell.For the mode of the second report measurement results, if the estimated value of the RSRP of Serving cell is not less than coverage threshold after UE judges the adjustment of serving cell antenna number, then UE is without the need to report measurement results, thus also just without the need to measuring the RSRP of neighbor cell again.For this kind of situation, after judging the adjustment of serving cell antenna number to enable UE, whether the estimated value of the RSRP of Serving cell is less than coverage threshold, before the measurement result that reception UE reports, the measurement difference of the RSRP of Serving cell before and after antenna number adjustment can also be sent to UE by base station, such as by broadcast or radio resource control signaling, the measurement difference of the RSRP of Serving cell before and after antenna number adjustment is sent to UE, after making the estimated value of UE RSRP of Serving cell after judging the adjustment of serving cell antenna number according to measurement difference be less than coverage threshold, continue the RSRP measuring neighbor cell again, and to judge after the RSRP of neighbor cell is less than coverage threshold report measurement results again at UE.Such as, the RSRP that UE measures community 2 is-68dBm, and the measurement difference received is-3dBm, then according to measurement difference, UE can show that the estimated value of the RSRP of community 2 is-71dBm after the adjustment of community 2 antenna number, namely after the adjustment of community 2 antenna number, the estimated value of the RSRP of community 2 is less than coverage threshold-70dBm, now, UE continues the RSRP measuring neighbor cell again, if the RSRP of neighbor cell is less than coverage threshold, then report measurement results, otherwise not report measurement results.If UE draws after the adjustment of community 2 antenna number according to measurement difference, the estimated value of the RSRP of community 2 is still greater than coverage threshold, then UE can know that its Reng Bei community 2 covered, thus can without the need to measuring the RSRP of neighbor cell again, also without the need to report measurement results again.
The present embodiment does not limit the mode of UE report measurement results, and the present embodiment is only described in the mode of the first report measurement results.For the mode of the second report measurement results, the signal resource of each report measurement results of UE can be saved.For this kind of mode, if base station does not receive the measurement result that any UE reports in Preset Time, then base station directly can judge that all UE in its community, place are after antenna in cell number reduces, in the coverage of Reng Gai community, thus can directly adjust serving cell antenna number.On the contrary, if receive the measurement result that any one UE reports, after all can judging that serving cell antenna number adjusts, existence is covered leak.In that case, the present embodiment does not limit the size of Preset Time, and such as, base station did not receive the measurement result that UE reports in one day or one week, there is not covering leak after then can judging the adjustment of antenna in cell number, and then directly carry out tested rotating platform.
403: after judging the adjustment of serving cell antenna number, in this measurement result, whether the estimated value of the RSRP of Serving cell is more than or equal to coverage threshold, if not, perform step 404, if so, perform step 406.
Particularly, to the UE being positioned at A place, after estimating the adjustment of community 2 antenna number, the estimated value of the RSRP of community 2 is less than coverage threshold-70dBm for-71dBm, UE general that after can drawing community 2 antenna number adjustment thus, this is positioned at A place no longer cover by community 2;
To the UE being positioned at B place, after estimating the adjustment of community 2 antenna number, the estimated value of the RSRP of community 2 is greater than coverage threshold-70dBm for-66dBm, can draw thus community 2 antenna number adjust after this be positioned at B place UE will cover by community 2;
To the UE being positioned at C place, after estimating the adjustment of community 2 antenna number, the estimated value of the RSRP of community 2 is less than coverage threshold-70dBm for-71dBm, UE general that after can drawing community 2 antenna number adjustment thus, this is positioned at C place no longer cover by community 2;
To the UE being positioned at D place, after estimating the adjustment of community 2 antenna number, the estimated value of the RSRP of community 2 is greater than coverage threshold-70dBm for-63dBm, can draw thus community 2 antenna number adjust after this be positioned at D place UE will cover by community 2.
404: judge whether the RSRP of neighbor cell in measurement result is more than or equal to coverage threshold, if not, perform step 405, if so, then perform step 406.
Wherein, because coverage threshold TH-RSRP is-70dBm, if the RSRP that the UE being positioned at A place records community 1 is-65dBm, even if after then can judging the antenna number adjustment of community 2 thus, this UE Bu Bei community 2 being positioned at A place covered, but will cover by community 1, and be positioned at B and D place UE will cover by community 2, then after the adjustment of community 2 antenna number, if only for the UE being positioned at A, B and D place, all there is not covering leak, thus can continue to perform subsequent step 306 and carry out power adjustment.
But for being positioned at the UE at C place, because this UE is except community 2, not by other MPS process, the measurement result being thus arranged in the UE at C place will not have the value of the RSRP of neighbor cell, also just without the need to judging whether the RSRP of the neighbor cell recorded is less than coverage threshold, and after the adjustment of community 2 antenna number, for the UE that this is positioned at C place, existence is covered leak, thus in order to avoid this UE call drop, or the generation of the situation such as handoff failure, power adjustment can not be carried out, namely perform step 305.
405: exist after judging the adjustment of serving cell antenna number and cover leak, do not adjust serving cell antenna number, flow process terminates.
For this step, after judging community 2 antenna number adjustment, generation is covered leak by C place, and thus Bu Dui community 2 antenna number adjusts.
For C place and the region similar with C place, due to before the adjustment of community 2 antenna number, the estimated value of the RSRP of the Serving cell that the UE in this region measures will be greater than coverage threshold TH-RSRP, but after the adjustment of community 2 antenna number, the estimated value of the RSRP of the Serving cell that the UE in this region measures will be less than coverage threshold TH-RSRP, and such region is referred to as the weak area of coverage by the present embodiment.In this weak overlay area, if the UE being in the weak area of coverage is less than coverage threshold without the RSRP of neighbor cell or neighbor cell, then, after the adjustment of serving cell antenna number, this UE place is by generations covering leak.
Further, if still adjusted the antenna number of community 2, can also by improving the power of community 1, eliminate the covering leak being positioned at C place, such as, the transmitting power of community 1 is brought up in the scope that can cover C place, ensure that C Chu Bei community 1 covered.
406: there is not covering leak after judging the adjustment of serving cell antenna number, adjust serving cell antenna number, flow process terminates.
For this step, when there is not covering leak after judging the adjustment of serving cell antenna number, serving cell antenna number being adjusted, not only can not produce the situations such as UE call drop or handoff failure, energy-conservation effect can also be reached.
It should be noted that, below only judge whether to exist in the mode measuring the RSRP of Serving cell or neighbor cell and cover leak, carry out explaining explanation to the method for the adjustment antenna number that the present embodiment provides, in practical application, signal quality comprises RSRP and/or RSRQ, the method that then the present embodiment provides can also judge whether by the RSRQ measuring Serving cell or neighbor cell to exist to cover leak, and according to judged result, antenna number is adjusted, or judge whether to there is covering leak in the mode of RSRP and RSRQ measuring Serving cell or neighbor cell simultaneously, and according to judged result, antenna number is adjusted, principle is similar, repeat no longer one by one herein.
In addition, below the mode of situation to adjustment parameter being only minimizing NTXA for parameter adjustment scheme is illustrated, under the prerequisite not reducing NTXA, parameter adjustment scheme is defined as reduce watt level energy-conservation to carry out, or when reducing amount of bandwidth to carry out energy-conservation, the Method And Principle that the present embodiment provides is applicable equally, its process is consistent with foregoing description content, namely whether there is covering leak after needing to judge Modulating Power or bandwidth, and judging Modulating Power or bandwidth again under the prerequisite not occurring covering leak.
Such as, for Femto cell, transmitting power is set by with the maximum rated power of dispatching from the factory after the start of its base station, if the RSRP/RSRQ that the UE of 99% reports it to measure is greater than-67dBm/4dBm, and coverage threshold is-70dBm/-1dBm, then the adjustment space of RSRP/RSRQ is min (3dBm, 5dBm)=5dBm respectively, so power reduce by half (-3dBm) also meet coverage threshold, coverage reduces but still can cover the scope of activities of user.
As shown in Fig. 5 (a), originally base station is according to rated power transmitted power, and coverage is larger.Dispatch from the factory after running a period of time, such as, after running one week, the measurement result that the subscriber equipment collected (such as mobile phone) reports is added up, when if the RSRP/RSRQ of the UE reporting measurement of 99% is greater than-67dBm/4dBm, overlay area can be reduced by decay power further, its transmitting power of final reduction, the overlay area after power adjustment is as shown in Fig. 5 (b).
Alternatively, before the method that the present embodiment provides is supported in adjustment serving cell parameters, the parameter of the control base station serving cell of notice neighbor cell will adjust, and make the control base station of neighbor cell carry out measurement configuration after serving cell parameters adjustment; Or, after serving cell parameters is adjusted, the temporal information of adjustment serving cell parameters is informed to the control base station of neighbor cell.Thus can avoid because two neighbor cells adjust parameter simultaneously and cause neighbor cell measurement to report the ageing reduction of RSRP and/or RSRQ.
Such as, after community NTXA changes, such as, by X2 interface between base station (or other high-level interface forward, S2 interface) temporal information that NTXA changes is sent to the control base station of neighbor cell; In addition, can also when Serving cell changes NTXA, by X2 interface between base station, (or other high-level interface forward, such as, S2 interface) inform the control base station of neighbor cell, the covering making the control base station of neighbor cell carry out the RSRP/RSRQ of neighbor cell again after receiving the notice that the adjustment of serving cell antenna number terminates is measured.It should be noted that, when the control base station of Serving cell and neighbor cell is same base station, above-mentioned notice neighbor cell step is that inside of base station realizes.
The method that the present embodiment provides, by before the parameter of adjustment Serving cell, covering leak whether is there is when prejudging the parameter according to the parameter adjustment project setting Serving cell pre-set, and under without the prerequisite covering leak, the parameter of Serving cell is adjusted, not only ensure that energy-efficient performance, avoid the generation covering leak simultaneously, thus avoid the generation of the situation such as call drop, handoff failure; In addition, by notifying that the parameter of this Serving cell, control base station of neighbor cell will adjust before the parameter of adjustment Serving cell, or the parameter adjustment temporal information of Serving cell is informed to the control base station of neighbor cell after the parameter of adjustment Serving cell, thus it is ageing to ensure that neighbor cell measurement reports.
Embodiment three
See Fig. 6, present embodiments provide a kind of base station, can be used for the operating procedure realizing base station in above-described embodiment one and embodiment two.This base station comprises: transmitting element 601, receiving element 602, judging unit 603 and adjustment unit 604.Wherein, above-mentioned transmitting element 601 sends measurement configuration information to the subscriber equipment in Serving cell, and this measurement configuration information is used to indicate the signal quality that above-mentioned subscriber equipment measures the signal quality of Serving cell and the neighbor cell of Serving cell; Above-mentioned receiving element 602 receives the measurement result of above-mentioned user equipment to report; When above-mentioned judging unit 603 judges the parameter according to the parameter adjustment project setting Serving cell pre-set according to the measurement result that above-mentioned receiving element 602 receives, whether there is covering leak; Above-mentioned adjustment unit 604 is when there is not covering leak in the judged result of above-mentioned judging unit 603, according to the parameter of the parameter adjustment project setting Serving cell pre-set.
Wherein, above-mentioned transmitting element 601 is also for sending to above-mentioned subscriber equipment by the measurement difference of the signal quality of Serving cell before and after parameter adjustment, after making the signal quality of above-mentioned subscriber equipment its Serving cell measured after judging parameter adjustment according to measurement difference that coverage threshold will not be met, measure the signal quality of neighbor cell.
See Fig. 7, above-mentioned judging unit 603, specifically can comprise: estimator unit 603a and judgment sub-unit 603b.Wherein, above-mentioned estimator unit 603a adjusts the estimated value of the signal quality of Serving cell in rear measurement result according to the measurement difference estimated parameter of the signal quality of Serving cell before and after parameter adjustment; Above-mentioned judgment sub-unit 603b is above-mentioned judges whether the estimated value of the signal quality of the Serving cell that above-mentioned estimator unit 603a estimates is more than or equal to coverage threshold, if, when then judging the parameter according to the parameter adjustment project setting Serving cell pre-set, there is not covering leak; If not, and be more than or equal to coverage threshold without the signal quality of the neighbor cell in the signal quality of neighbor cell or measurement result in measurement result, then, when judging the parameter according to the parameter adjustment project setting Serving cell pre-set, there is not covering leak.
Alternatively, see Fig. 8, this base station can also comprise the first notification unit 605, for before the parameter of above-mentioned adjustment unit 604 according to the parameter adjustment project setting Serving cell pre-set, the parameter of control base station serving cell of notice neighbor cell will adjust, and be configured measurement again after the notice that the control base station of neighbor cell is terminated in the parameter adjustment receiving Serving cell.
Alternatively, see Fig. 9, this base station can also comprise the second notification unit 606, for after the parameter of above-mentioned adjustment unit 604 according to the parameter adjustment project setting Serving cell pre-set, by the control base station of the parameter adjustment temporal information of Serving cell notice neighbor cell.
The base station that the present embodiment provides, by before the parameter of adjustment Serving cell, covering leak whether is there is when prejudging the parameter according to the parameter adjustment project setting Serving cell pre-set, and under without the prerequisite covering leak, the parameter of Serving cell is adjusted, not only ensure that energy-efficient performance, avoid the generation covering leak simultaneously, thus avoid the generation of the situation such as call drop, handoff failure; In addition, by notifying that the parameter of this Serving cell, control base station of neighbor cell will adjust before the parameter of adjustment Serving cell, or the parameter adjustment temporal information of Serving cell is informed to the control base station of neighbor cell after the parameter of adjustment Serving cell, thus it is ageing to ensure that neighbor cell measurement reports.
Embodiment four
See Figure 10, present embodiments provide a kind of subscriber equipment, this subscriber equipment can realize the operating procedure of subscriber equipment in above-described embodiment one and embodiment two.This equipment comprises: the first receiving element 1001, first measuring unit 1002, second receiving element 1003, estimation unit 1004, first judging unit 1005, second measuring unit 1006 and report unit 1007.Wherein, above-mentioned first receiving element 1001 receives the measurement configuration information that base station sends, and this measurement configuration information is used to indicate the service quality that subscriber equipment measures the signal quality of Serving cell and the neighbor cell of Serving cell; Above-mentioned first measuring unit 1002 measures the signal quality of Serving cell according to the measurement configuration information that above-mentioned first receiving element 1001 receives; Above-mentioned second receiving element 1003 receives the measurement difference of signal quality before and after parameter adjustment of the Serving cell that base station sends; The measurement difference that the signal quality of the Serving cell that above-mentioned estimation unit 1004 measures according to above-mentioned first measuring unit 1002 and above-mentioned second receiving element 1003 receive, estimates the estimated value of the signal quality of Serving cell after the parameter adjustment of Serving cell; First judging unit 1005 judges whether the estimated value of the signal quality of the Serving cell that above-mentioned estimation unit 1004 exports is less than coverage threshold; When the estimated value that the judged result of above-mentioned first judging unit 1005 is the signal quality of Serving cell is less than coverage threshold, above-mentioned second measuring unit 1006 measures the signal quality of neighbor cell; The above-mentioned measurement result reporting unit 1007 to report the first measuring unit 1002 and the second measuring unit 1006.
Alternatively, see Figure 11, this subscriber equipment can also comprise: the second judging unit 1008, for judging whether the signal quality of the neighbor cell that the second measuring unit 1006 measures is less than coverage threshold.
Now, when the second judging unit 1008 judges that the signal quality of neighbor cell is less than coverage threshold, unit 1007 is reported to report the measurement result of the first measuring unit 1002 and the second measuring unit 1006 again.
The subscriber equipment that the present embodiment provides, by after receiving measurement configuration information, measurement result is reported base station, covering leak whether is there is after making base station judge the parameter adjustment of Serving cell according to measurement result, and under without the prerequisite covering leak, the parameter of Serving cell is adjusted, not only ensure that energy-efficient performance, avoid the generation covering leak simultaneously, thus avoid the generation of the situation such as call drop, handoff failure.
Embodiment five
See Figure 12, present embodiments provide a kind of system adjusting parameter, this system comprises: base station 1201 and subscriber equipment 1202.Wherein, the base station that base station 1201 provides for such as above-described embodiment three, the subscriber equipment that subscriber equipment 1202 provides for such as above-described embodiment four.
In sum, the system that the present embodiment provides, by subscriber equipment, measurement result is reported base station, make base station before the parameter of adjustment Serving cell, whether there is covering leak after prejudging the parameter adjustment of Serving cell, and under without the prerequisite covering leak, the parameter of Serving cell is adjusted, not only ensure that energy-efficient performance, avoid the generation covering leak simultaneously, thus avoid the generation of the situation such as call drop, handoff failure; In addition, by notifying that the parameter of this Serving cell, control base station of neighbor cell will adjust before the parameter of adjustment Serving cell, or the parameter adjustment temporal information of Serving cell is informed to the control base station of neighbor cell after the parameter of adjustment Serving cell, thus it is ageing to ensure that neighbor cell measurement reports.
It should be noted that: the base station that above-described embodiment provides is when adjusting parameter, subscriber equipment gives the correct time in measurement, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by base station or subscriber equipment is divided into different functional modules, to complete all or part of function described above.In addition, the method that the system of the base station that above-described embodiment provides, subscriber equipment, adjustment parameter, measurement report belongs to same design with the embodiment of the method for adjustment parameter, and its specific implementation process refers to embodiment of the method, repeats no more here.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.Equally, base station and " first " " second " in subscriber equipment embodiment are also only and distinguish different unit.
All or part of step in the embodiment of the present invention, can utilize software simulating, and corresponding software program can be stored in the storage medium that can read, as CD or hard disk etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. adjust a method for parameter, it is characterized in that, described method comprises:
Base station sends measurement configuration information to the subscriber equipment in Serving cell, and described measurement configuration information is used to indicate the signal quality that described subscriber equipment measures the signal quality of described Serving cell and the neighbor cell of described Serving cell;
Described base station receives the measurement result of described user equipment to report;
The estimated value of the signal quality of Serving cell described in described measurement result after adjusting according to the measurement difference estimated parameter of signal quality before and after parameter adjustment of described Serving cell;
Judge whether the estimated value of the signal quality of described Serving cell is more than or equal to coverage threshold; If so, then when judging the parameter according to Serving cell described in the parameter adjustment project setting pre-set, there is not covering leak; If not, and be more than or equal to coverage threshold without the signal quality of the described neighbor cell in the signal quality of neighbor cell or described measurement result in described measurement result, when then judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak;
If when judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak, then described base station is according to the parameter of Serving cell described in the described parameter adjustment project setting pre-set.
2. method according to claim 1, is characterized in that, described measurement result comprises:
The signal quality of the described Serving cell of the user equipment to report in described Serving cell and the signal quality of described neighbor cell.
3. method according to claim 2, is characterized in that, before the measurement result of the described user equipment to report of described reception, also comprises:
The measurement difference of the signal quality of described Serving cell before and after parameter adjustment is sent to described subscriber equipment by described base station, after making the signal quality of described subscriber equipment described Serving cell after judging described parameter adjustment according to described measurement difference that coverage threshold will be less than, measure the signal quality of described neighbor cell.
4. method according to claim 1, is characterized in that, before the parameter of Serving cell described in the described parameter adjustment project setting according to pre-setting, also comprises:
Described in the control base station notifying described neighbor cell, the parameter of Serving cell will adjust, and carry out measurement configuration again after the notice that the control base station of described neighbor cell is terminated in the parameter adjustment receiving described Serving cell.
5. method according to claim 1, is characterized in that, after the parameter of Serving cell described in the described parameter adjustment project setting according to pre-setting, also comprises:
The parameter adjustment temporal information of described Serving cell is notified the control base station of described neighbor cell.
6. the method according to claim arbitrary in claim 1-5, is characterized in that, described signal quality comprises Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ.
7. a base station, is characterized in that, described base station comprises:
Transmitting element, for sending measurement configuration information to the subscriber equipment in Serving cell, described measurement configuration information is used to indicate the signal quality that described subscriber equipment measures the signal quality of described Serving cell and the neighbor cell of described Serving cell;
Receiving element, for receiving the measurement result of described user equipment to report;
Judging unit, for adjusting the estimated value of the signal quality of Serving cell described in rear described measurement result according to the measurement difference estimated parameter of the signal quality of described Serving cell before and after parameter adjustment; Judge whether the estimated value of the signal quality of described Serving cell is more than or equal to coverage threshold; If so, then when judging the parameter according to Serving cell described in the parameter adjustment project setting pre-set, there is not covering leak; If not, and be more than or equal to coverage threshold without the signal quality of the described neighbor cell in the signal quality of neighbor cell or described measurement result in described measurement result, when then judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak;
Adjustment unit, for when the judged result of described judging unit covers leak for not existing, according to the parameter of Serving cell described in the described parameter adjustment project setting pre-set.
8. base station according to claim 7, it is characterized in that, described transmitting element, also for the measurement difference of the signal quality of described Serving cell before and after parameter adjustment is sent to described subscriber equipment, after making the signal quality of described subscriber equipment described Serving cell that it measures after judging described parameter adjustment according to described measurement difference that coverage threshold will not be met, measure the signal quality of described neighbor cell.
9. base station according to claim 7, is characterized in that, described base station also comprises:
First notification unit, for before the parameter of described adjustment unit according to Serving cell described in the described parameter adjustment project setting pre-set, described in the control base station notifying described neighbor cell, the parameter of Serving cell will adjust, and be configured measurement again after the notice that the control base station of described neighbor cell is terminated in the parameter adjustment receiving described Serving cell.
10. base station according to claim 7, is characterized in that, described base station also comprises:
Second notification unit, for after the parameter of described adjustment unit according to Serving cell described in the described parameter adjustment project setting pre-set, notifies the control base station of described neighbor cell by the parameter adjustment temporal information of described Serving cell.
The method that 11. 1 kinds of measurements report, is characterized in that, described method comprises:
Subscriber equipment receives the measurement configuration information that base station sends, and described measurement configuration information is used to indicate the service quality that described subscriber equipment measures the signal quality of Serving cell and the neighbor cell of described Serving cell;
Described subscriber equipment measures the signal quality of described Serving cell according to described measurement configuration information;
Described subscriber equipment receives the measurement difference of signal quality before and after parameter adjustment of the described Serving cell that described base station sends;
Described subscriber equipment, according to the signal quality of the described Serving cell measured and described measurement difference, estimates the estimated value of the signal quality of described Serving cell after the parameter adjustment of described Serving cell;
When the estimated value of the signal quality of described Serving cell is less than coverage threshold, the service quality of described neighbor cell measured by described subscriber equipment;
Described subscriber equipment is to described base station report measurement results, the estimated value of the signal quality of Serving cell described in described measurement result after being adjusted according to the measurement difference estimated parameter of the signal quality of described Serving cell before and after parameter adjustment by described base station, and judge whether the estimated value of the signal quality of described Serving cell is more than or equal to coverage threshold, if when judging the parameter according to Serving cell described in the parameter adjustment project setting pre-set, there is not covering leak, then according to the parameter of Serving cell described in the described parameter adjustment project setting pre-set;
Wherein, if the estimated value of the signal quality of described Serving cell is more than or equal to coverage threshold, when then judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak, if the estimated value of the signal quality of described Serving cell is less than coverage threshold, and be more than or equal to coverage threshold without the signal quality of the described neighbor cell in the signal quality of neighbor cell or described measurement result in described measurement result, when then judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak.
12. methods according to claim 11, is characterized in that, described subscriber equipment, to before the report measurement results of described base station, comprising: judge whether the signal quality of described neighbor cell is less than described coverage threshold;
Described subscriber equipment, to described base station report measurement results, comprising: when the signal quality of described neighbor cell is less than described coverage threshold, and described subscriber equipment is to described base station report measurement results.
13. methods according to claim 11 or 12, it is characterized in that, described measurement result comprises:
The signal quality of described Serving cell and the signal quality of described neighbor cell.
14. methods according to claim 13, is characterized in that, described signal quality comprises Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ.
15. 1 kinds of subscriber equipmenies, is characterized in that, described subscriber equipment comprises:
First receiving element, for receiving the measurement configuration information that base station sends, described measurement configuration information is used to indicate the service quality that described subscriber equipment measures the signal quality of Serving cell and the neighbor cell of described Serving cell;
First measuring unit, the measurement configuration information for receiving according to described first receiving element measures the signal quality of described Serving cell;
Second receiving element, for receiving the measurement difference of signal quality before and after parameter adjustment of the described Serving cell that described base station sends;
Estimation unit, for the described measurement difference that the signal quality of described Serving cell that measures according to described first measuring unit and described second receiving element receive, estimate the estimated value of the signal quality of described Serving cell after the parameter adjustment of described Serving cell;
First judging unit, whether the estimated value for the signal quality judging the described Serving cell that described estimation unit exports is less than coverage threshold;
Second measuring unit, for when the estimated value that the judged result of described first judging unit is the signal quality of described Serving cell is less than coverage threshold, measures the signal quality of described neighbor cell;
Report unit, for reporting the measurement result of described first measuring unit and described second measuring unit, the estimated value of the signal quality of Serving cell described in described measurement result after being adjusted according to the measurement difference estimated parameter of the signal quality of described Serving cell before and after parameter adjustment by described base station, and judge whether the estimated value of the signal quality of described Serving cell is more than or equal to coverage threshold, if when judging the parameter according to Serving cell described in the parameter adjustment project setting pre-set, there is not covering leak, then according to the parameter of Serving cell described in the described parameter adjustment project setting pre-set,
Wherein, if the estimated value of the signal quality of described Serving cell is more than or equal to coverage threshold, when then judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak, if the estimated value of the signal quality of described Serving cell is less than coverage threshold, and be more than or equal to coverage threshold without the signal quality of the described neighbor cell in the signal quality of neighbor cell or described measurement result in described measurement result, when then judging the parameter according to Serving cell described in the described parameter adjustment project setting pre-set, there is not covering leak.
16. subscriber equipmenies according to claim 15, is characterized in that, described subscriber equipment also comprises:
Second judging unit, for judging whether the signal quality of the neighbor cell that described second measuring unit measures is less than described coverage threshold;
The described unit that reports is further used for, and when described second judging unit judges that the signal quality of described neighbor cell is less than described coverage threshold, reports the measurement result of described first measuring unit and described second measuring unit.
17. subscriber equipmenies according to claim 15 or 16, it is characterized in that, described signal quality comprises Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ.
18. 1 kinds of systems adjusting parameter, it is characterized in that, described system comprises:
As described in base station in claim 7-10 as described in arbitrary claim and as described in subscriber equipment in claim 15-17 as described in arbitrary claim.
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| CN105072643B (en) * | 2015-08-20 | 2019-02-22 | 中国联合网络通信集团有限公司 | A kind of report method and device of cell measurement results |
| CN106162769B (en) * | 2016-08-17 | 2019-08-16 | 努比亚技术有限公司 | A kind of base station switch method and terminal |
| CN108243470B (en) * | 2016-12-26 | 2020-11-03 | 大唐移动通信设备有限公司 | Cell switching method and base station |
| EP4181590A4 (en) * | 2020-07-24 | 2023-08-23 | Huawei Technologies Co., Ltd. | Antenna positioning method for first base station, and communication apparatus |
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