CN102572928A - 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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- CN102572928A CN102572928A CN2010106247349A CN201010624734A CN102572928A CN 102572928 A CN102572928 A CN 102572928A CN 2010106247349 A CN2010106247349 A CN 2010106247349A CN 201010624734 A CN201010624734 A CN 201010624734A CN 102572928 A CN102572928 A CN 102572928A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- 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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- 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
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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 that adjusts parameter and measurement and report.
Background technology
In cordless communication network, no matter be Macro Cell (macrocell), or Femto is Cell (Microcell), can normally receive signal in order to make the UE (User Equipment, subscriber equipment) in the sub-district, various cell parameters all need reach certain value.Wherein, cell parameter includes but not limited to power, bandwidth, antenna number or the like.From energy-conservation angle, usually need adjust, to reduce energy waste to cell parameter.
In the prior art, a kind of mode of adjusting cell parameter is through reducing the NTXA (Number of Transit Antenna, transmit antenna quantity) of base station, reducing its aerial transmitting power, thereby reaches energy-conservation effect; The mode of another kind of adjustment parameter is under the situation that does not reduce antenna, and it is energy-conservation to carry out directly to reduce transmitting power; In addition, can also directly reduce bandwidth, energy-conservation to carry out.
In realizing process of the present invention, the inventor finds that there is following shortcoming at least in prior art:
No matter prior art is the NTXA that reduces the base station when the adjustment cell parameter, still directly adjusts the size of power; Or directly adjust amount of bandwidth, wireless signal all will be decayed to some extent, satisfy RSRP (the Reference Signal Received Power that UE inserts; Reference Signal Received Power) or the zone of RSRQ (Reference Signal Received Quality, Reference Signal Received Quality) thresholding also dwindle immediately, cause cell coverage area to dwindle; And in the process that cell coverage area dwindles, possibly produce the covering leak; UE promptly occurring does not have the situation that cell signal covers, thereby causes the UE call drop, or handoff failure.
Summary of the invention
For when guaranteeing energy-efficient performance, avoid producing the covering leak, the embodiment of the invention provides a kind of method of parameter, method, equipment and system of measurement and report of adjusting.
One aspect of the present invention provides a kind of method of adjusting parameter; This method comprises: the subscriber equipment of base station in Serving cell sends measurement configuration information, the signal quality of the signal quality that said measurement configuration information is used to indicate said subscriber equipment to measure said Serving cell and the neighbor cell of said Serving cell; Said base station receives the measurement result of said user equipment to report; If said base station is judged when said base station during according to the parameter of the said Serving cell of parameter adjustment project setting that is provided with in advance according to said measurement result; Do not have the covering leak, then said base station is according to the parameter of the said said Serving cell of parameter adjustment project setting that is provided with in advance.
The present invention provides a kind of base station on the other hand; This base station comprises: transmitting element; Be used for sending measurement configuration information the signal quality of the signal quality that said measurement configuration information is used to indicate said subscriber equipment to measure said Serving cell and the neighbor cell of said Serving cell to the subscriber equipment of Serving cell; Receiving element is used to receive the measurement result of said user equipment to report; When judging unit, the measurement result that is used for receiving according to said receiving element are judged according to the parameter of the said Serving cell of parameter adjustment project setting that is provided with in advance, whether there is the covering leak; And adjustment unit, be used for when the judged result of said judging unit covers leak for not existing, according to the parameter of the said said Serving cell of parameter adjustment project setting that is provided with in advance.
Further aspect of the present invention also provides a kind of method of measurement and report; This method comprises: subscriber equipment receives the measurement configuration information that send the base station, the service quality of the signal quality that said measurement configuration information is used to indicate said subscriber equipment to measure Serving cell and the neighbor cell of said Serving cell; Said subscriber equipment is measured the signal quality of said Serving cell according to said measurement configuration information; Said subscriber equipment receives the measurement difference of signal quality before and after parameter adjustment of the said Serving cell that sends said base station; Said subscriber equipment is estimated the estimated value of the signal quality of said Serving cell after the parameter adjustment of said Serving cell according to the signal quality and the said measurement difference of the said Serving cell that measures; When the estimated value of the signal quality of said Serving cell when covering thresholding, said subscriber equipment is measured the service quality of said neighbor cell; Said subscriber equipment is to said base station reporting measurement result.
Further aspect of the present invention also provides a kind of subscriber equipment; This subscriber equipment comprises: first receiving element; Be used to receive the measurement configuration information that send the base station, the service quality of the signal quality that said measurement configuration information is used to indicate said subscriber equipment to measure Serving cell and the neighbor cell of said Serving cell; First measuring unit is used for measuring according to the measurement configuration information that said first receiving element receives the signal quality of said Serving cell; Second receiving element is used to receive the measurement difference of the signal quality of the said Serving cell that sends said base station in the parameter adjustment front and back; Estimation unit; The signal quality of the said Serving cell that is used for measuring according to said first measuring unit and the said measurement difference that said second receiving element receives are estimated the estimated value of the signal quality of said Serving cell after the parameter adjustment of said Serving cell; First judging unit, whether the estimated value of signal quality of said Serving cell that is used to judge said estimation unit output is less than covering thresholding; Second measuring unit, the estimated value of signal quality that is used for judged result when said first judging unit and is said Serving cell is measured the signal quality of said neighbor cell when covering thresholding; With report the unit, be used to report the measurement result of said first measuring unit and said second measuring unit.
Further aspect of the present invention also provides a kind of system that adjusts parameter, and this system comprises above-mentioned base station and subscriber equipment.
Technique scheme; Through before the parameter of adjustment Serving cell; Whether there is the covering leak when prejudging the parameter according to the parameter adjustment project setting Serving cell that is provided with in advance, and the parameter of Serving cell adjusted not having under the prerequisite that covers leak, not only guaranteed energy-efficient performance; Avoided simultaneously covering the generation of leak, thereby avoided the generation of situation such as call drop, handoff failure.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of the adjustment parameter that provides of the embodiment of the invention one;
Fig. 2 is the method flow diagram of the measurement and report that provides of the embodiment of the invention one;
Fig. 3 is the cell coverage area sketch map that the embodiment of the invention two provides;
Fig. 4 is the method flow diagram of the adjustment parameter that provides of the embodiment of the invention two;
Fig. 5 is the forward and backward cell coverage area sketch map of adjustment parameter that the embodiment of the invention two provides;
Fig. 6 is the architecture of base station sketch map that the embodiment of the invention three provides;
Fig. 7 is the judge module structural representation that the embodiment of the invention three provides;
Fig. 8 is the another kind of architecture of base station sketch map that the embodiment of the invention three provides;
Fig. 9 is another architecture of base station sketch map that the embodiment of the invention three provides;
Figure 10 is the user device architecture sketch map that the embodiment of the invention four provides;
Figure 11 is the another kind of user device architecture sketch map that the embodiment of the invention four provides;
Figure 12 is the adjustment parameter system structural representation that the embodiment of the invention five provides.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
Embodiment one
Present embodiment provides a kind of method of adjusting parameter, and referring to Fig. 1, this method flow comprises following content.
101: the subscriber equipment of base station in Serving cell sends measurement configuration information, the signal quality of the signal quality that this measurement configuration information is used to indicate subscriber equipment to measure 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 this base station is judged when this base station during according to the parameter of the parameter adjustment project setting Serving cell that is provided with in advance according to measurement result, do not have the covering leak, then this base station is according to the parameter of the parameter adjustment project setting Serving cell that is provided with in advance.
Wherein, above-mentioned measurement result comprises: the signal quality of the Serving cell of the user equipment to report in the Serving cell and the signal quality of neighbor cell.
Particularly, judge when base station during, do not have the covering leak, specifically comprise according to the parameter of the parameter adjustment project setting Serving cell that is provided with in advance according to measurement result:
The base station is according to the estimated value of the signal quality of Serving cell in the signal quality of the Serving cell measurement difference estimated parameter adjustment back measurement result before and after parameter adjustment, and whether the estimated value of signal quality of judging Serving cell is more than or equal to the covering thresholding; If when then judging the parameter according to the parameter adjustment project setting Serving cell that is provided with in advance, do not have the covering leak; If not, and when then judging the parameter according to the parameter adjustment project setting Serving cell of setting in advance, there is not the covering leak more than or equal to covering thresholding in the signal quality of signal quality or the neighbor cell in the measurement result of no neighbor cell in the measurement result.
Alternatively; Receive in the base station before the measurement result of user equipment to report; This base station can also send to subscriber equipment in the measurement difference before and after the parameter adjustment with the signal quality of Serving cell; Make subscriber equipment will measure the signal quality of neighbor cell less than after covering thresholding at signal quality according to Serving cell after measuring difference to judge parameter adjustment.
Alternatively; Before the parameter according to the parameter adjustment project setting Serving cell that is provided with in advance; This base station can also notify the parameter of the control base station services sub-district of neighbor cell to adjust, and makes the control base station of neighbor cell after the notice that the parameter adjustment that receives Serving cell finishes, carry out measurement configuration again.
Alternatively, after the parameter according to the parameter adjustment project setting Serving cell that is provided with in advance, the parameter adjustment temporal information of Serving cell can also be notified the control base station of neighbor cell in this base station.
In the present embodiment, above-mentioned signal quality can comprise RSRP and/or RSRQ.
On the other hand, referring to Fig. 2, present embodiment also provides a kind of method of measurement and report, and this method flow comprises following content.
201: subscriber equipment receives the measurement configuration information that send the base station, the service quality of the signal quality that this measurement configuration information is used to indicate subscriber equipment to measure Serving cell and the neighbor cell of Serving cell.
202: this subscriber equipment is measured 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 sends above-mentioned base station.Need to prove that 203 operating sequence is not limited to after 202, also can be before 201 or between 201 and 202.
204: this subscriber equipment is estimated the estimated value of the signal quality of Serving cell after the parameter adjustment of Serving cell according to the signal quality and the above-mentioned measurement difference of the Serving cell that measures.
205: when the estimated value of the signal quality of Serving cell when covering thresholding, this subscriber equipment is measured the service quality of above-mentioned neighbor cell.
206: this subscriber equipment is to above-mentioned base station reporting measurement result.
Alternatively, subscriber equipment can also be in the estimated value of the signal quality of judging Serving cell when covering thresholding before the reporting measurement result of base station, and whether the signal quality of judging earlier neighbor cell is less than the covering thresholding; When the signal quality of neighbor cell when covering thresholding, this subscriber equipment is again to the above-mentioned station of base reporting measurement result.
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 present embodiment provides; Through before the parameter of adjustment Serving cell; Whether there is the covering leak when prejudging the parameter according to the parameter adjustment project setting Serving cell that is provided with in advance, and the parameter of Serving cell adjusted not having under the prerequisite that covers leak, not only guaranteed energy-efficient performance; Avoided simultaneously covering the generation of leak, thereby avoided the generation of situation such as call drop, handoff failure.In addition; Through before the parameter of adjustment Serving cell, notifying the parameter of this Serving cell of control base station of neighbor cell to adjust; Or after the parameter of adjustment Serving cell, the parameter adjustment temporal information of Serving cell notified the control base station of neighbor cell, thereby it is ageing to have guaranteed that neighbor cell measurement reports.
Embodiment two
Present embodiment provides a kind of method of adjusting parameter; This method is through before the parameter of adjustment Serving cell; The parameter adjustment scheme is set in advance; And after the parameter of judging Serving cell is according to the parameter adjustment project setting that is provided with in advance, do not exist when covering leak, again the parameter of Serving cell is adjusted, cover leak thereby avoid adjusting producing after the parameter of Serving cell.Wherein, present embodiment does not limit the concrete parameter adjustment scheme that is provided with in advance, and for example, the parameter adjustment scheme can be to reduce antenna number, for example antenna number is reduced by half, and also can be to reduce power or bandwidth etc.No matter which kind of parameter adjustment scheme is set in advance, all can determines the measurement difference of the signal quality of parameter adjustment front and back according to the parameter adjustment scheme that is provided with in advance.With the parameter adjustment scheme that is provided with in advance is that the antenna in cell number is reduced to 2 by 4 is example, and reduce by half back, power of antenna number also will reduce by half, and it is measured difference and is-3dBm.Next, in conjunction with cell coverage area sketch map shown in Figure 3, the method that present embodiment is provided is elaborated.
Among Fig. 3, the left side camber line is represented the overlay area of sub-district 1, and right side solid line enclosed region is represented the overlay area of sub-district 2.Sub-district 1 can be the sub-district under the same base stations control with sub-district 2, also can be the sub-district under the different base station control, and present embodiment is not done concrete qualification to this.The UE that is arranged in figure A place can be covered by sub-district 1 and sub-district 2 simultaneously, and the UE that is arranged in figure B, C and D place is only covered by sub-district 2., sub-district, right side 2 (promptly reduces two antennas that dotted line is represented) after reducing to 2 transmitting antennas by 4 transmitting antennas; The overlay area of sub-district 2 can in fact be reduced to dotted line institute overlay area; At this moment, as can be seen from Figure 3, the UE that is arranged in figure A place is covered only to become by two sub-districts by the original while and is covered by sub-district 1; The UE that is arranged in figure B and D place is still only covered by sub-district 2; And the UE that is arranged in figure C place becomes the covering of no sub-district by being covered by sub-district 2 originally, i.e. sub-district 2 antenna number adjustment back existence covers leak, if then be positioned at the situation that the UE at C place can produce service disconnection such as call drop.
To this, the method that present embodiment provides has been taked forward detection mechanism before the adjustment of sub-district 2 antenna number, avoids having the covering leak after the 2 antenna number adjustment of sub-district with this.For the ease of describing; Present embodiment is with the UE measurement cell 2 in the base station indicating cell 2 and the signal quality RSRP of sub-district 1; Covering thresholding TH-RSRP is-70dBm (decibel millivolt or dBm); According to predetermined parameter adjustment scheme confirm before and after the antenna in cell number adjustment the measurement difference for-3dBm is an example, the method that present embodiment is provided is elaborated.For Fig. 2, sub-district 2 is a Serving cell, and sub-district 1 is the neighbor cell of Serving cell, and referring to Fig. 4, the method flow that present embodiment provides comprises following content.
401: the UE of base station in Serving cell sends measurement configuration information, and this measurement configuration information is used to indicate UE to measure the RSRP of Serving cell and neighbor cell.
Particularly, no matter be the UE that is in which position, after UE receives the measurement configuration information of sending the base station, all can trigger the RSRP measurement that UE carries out Serving cell and neighbor cell, present embodiment does not limit the metering system that UE takes.
402: receive the measurement result that UE reports, and estimate after the adjustment of Serving cell antenna number the estimated value of the RSRP of Serving cell in this measurement result according to the measurement difference of RSRP before and after the antenna number adjustment of Serving cell.
Wherein, Because the measurement difference of the RSRP of Serving cell before and after the antenna number adjustment is-3dBm; Then,, estimate that then the estimated value of the RSRP of sub-district 2,2 antenna number adjustment back, sub-district is-71dBm if the RSRP of sub-district 2 is-68dBm in the measurement result of this UE as far as being positioned at the UE at A place;
As far as being positioned at the UE at B place,, estimate that then the estimated value of the RSRP of sub-district 2,2 antenna number adjustment back, sub-district is-66dBm if the RSRP of sub-district 2 is-63dBm in the measurement result of this UE;
As far as being positioned at the UE at C place,, estimate that then the estimated value of the RSRP of sub-district 2,2 antenna number adjustment back, sub-district is-71dBm if the RSRP of sub-district 2 is-68dBm in the measurement result of this UE;
As far as being positioned at the UE at D place,, estimate that then the estimated value of the RSRP of sub-district 2,2 antenna number adjustment back, sub-district is-63dBm if the RSRP of sub-district 2 is-60dBm in the measurement result of this UE.
In addition; To this step; UE reporting measurement result has dual mode; First kind is measure to finish back reporting measurement result at UE, second kind be judge Serving cell at UE the RSRP estimated value of antenna number adjustment back Serving cell less than covering thresholding, and the RSRP of neighbor cell is also less than covering reporting measurement result behind the thresholding.
No matter take which kind of reporting measurement result's mode, measurement result is the RSRP of Serving cell and the RSRP of neighbor cell.To second kind of reporting measurement result's mode, if judging the estimated value of the RSRP of Serving cell antenna number adjustment back Serving cell, UE is not less than the covering thresholding, then UE need not the reporting measurement result, thereby also just need not to measure the RSRP of neighbor cell again.To this kind situation; In order to make the estimated value of RSRP that UE can judge Serving cell antenna number adjustment back Serving cell whether less than covering thresholding; Before the measurement result that reception UE reports; The base station can also send to UE with the measurement difference of RSRP before and after the antenna number adjustment of Serving cell; For example the RSRP of the Serving cell measurement difference before and after the antenna number adjustment is sent to UE through broadcasting or radio resource control signaling; Make UE judge the estimated value of the RSRP of Serving cell antenna number adjustment back Serving cell and will continue to measure the RSRP of neighbor cell again, and the RSRP that judges neighbor cell at UE is less than covering behind the thresholding reporting measurement result again less than after covering thresholding according to measuring difference.For example, the RSRP of UE measurement cell 2 is-68dBm, and the measurement difference that receives is-3dBm; Then UE can draw after the adjustment of sub-district 2 antenna number according to measuring difference, and the estimated value of the RSRP of sub-district 2 is-71dBm that the estimated value of the RSRP of sub-district 2, i.e. sub-district 2 antenna number adjustment back is less than covering thresholding-70dBm; At this moment, UE continues to measure the RSRP of neighbor cell again, if the RSRP of neighbor cell is less than covering thresholding; Reporting measurement result then, otherwise reporting measurement result not.If UE draws after the adjustment of sub-district 2 antenna number according to measuring difference; The estimated value of the RSRP of sub-district 2 is still greater than covering thresholding; Then UE can know that it is still covered by sub-district 2, thereby can need not to measure the RSRP of neighbor cell again, also need not reporting measurement result again.
Present embodiment does not limit UE reporting measurement result's mode, and present embodiment is that example describes with first kind of reporting measurement result's mode only.For second kind of reporting measurement result's mode, can save the each reporting measurement result's of UE signal resource.For this kind mode; If the base station does not receive the measurement result that any UE reports in Preset Time; Then its place all UE in sub-district can directly be judged after the minimizing of antenna in cell number in the base station; Still in the coverage of this sub-district, thereby can directly adjust the Serving cell antenna number.On the contrary, if receive the measurement result that any UE reports, after all can judging the Serving cell antenna number and adjusting, will exist to cover leak.Under this kind situation; Present embodiment does not limit the size of Preset Time, and for example, the base station does not receive the measurement result that UE reports in one day or a week; There is not the covering leak after then can judging the adjustment of antenna in cell number, and then directly carries out the antenna adjustment.
403: whether judge after the Serving cell antenna number adjustment in this measurement result the estimated value of the RSRP of Serving cell more than or equal to covering thresholding, if not, execution in step 404, if, execution in step 406.
Particularly, to being positioned at the UE at A place, estimate sub-district 2, sub-district 2 antenna number adjustment back RSRP estimated value for-71dBm less than covering thresholding-70dBm, can draw sub-district 2 antenna number adjustment thus after this UE that is positioned at the A place will no longer be covered by sub-district 2;
To being positioned at the UE at B place, estimate sub-district 2, sub-district 2 antenna number adjustment back RSRP estimated value for-66dBm greater than covering thresholding-70dBm, can draw sub-district 2 antenna number adjustment thus after this UE that is positioned at the B place will be covered by sub-district 2;
To being positioned at the UE at C place, estimate sub-district 2, sub-district 2 antenna number adjustment back RSRP estimated value for-71dBm less than covering thresholding-70dBm, can draw sub-district 2 antenna number adjustment thus after this UE that is positioned at the C place will no longer be covered by sub-district 2;
To being positioned at the UE at D place, estimate sub-district 2, sub-district 2 antenna number adjustment back RSRP estimated value for-63dBm greater than covering thresholding-70dBm, can draw sub-district 2 antenna number adjustment thus after this UE that is positioned at the D place will be covered by sub-district 2.
404: whether the RSRP that judges neighbor cell in the measurement result is more than or equal to covering thresholding, if not, execution in step 405 is if then execution in step 406.
Wherein, be-70dBm to be-65dBm if be positioned at the RSRP that the UE at A place records sub-district 1 owing to cover thresholding TH-RSRP; Even after then can judging the antenna number adjustment of sub-district 2 thus; This UE that is positioned at the A place is not covered by sub-district 2, but will be covered by sub-district 1, and the UE that is positioned at B and D place will be covered by sub-district 2; Then after the adjustment of sub-district 2 antenna number; If only, all do not have the covering leak, thereby can continue to carry out subsequent step 306 and carry out the power adjustment being positioned at the UE at A, B and D place.
But as far as being positioned at the UE at C place, because this UE except sub-district 2, is not covered by other sub-district; Thereby the measurement result that is arranged in the UE at C place will not have the value of the RSRP of neighbor cell, and whether the RSRP that also just need not to judge the neighbor cell that records less than covering thresholding, and after the adjustment of sub-district 2 antenna number; For this UE that is positioned at the C place, will exist to cover leak, thereby for fear of this UE call drop; Or the generation of situation such as handoff failure, can not carry out the power adjustment, promptly execution in step 305.
405: judge that there is the covering leak in Serving cell antenna number adjustment back, the Serving cell antenna number is not adjusted that flow process finishes.
To this step, because after judging sub-district 2 antenna number adjustment, the C place will produce and cover leak, thereby sub-district 2 antenna number not adjusted.
For C place and similarly regional with the C place; Because before the adjustment of sub-district 2 antenna number; The estimated value of the RSRP of the Serving cell that the UE in this zone measures will be greater than covering thresholding TH-RSRP; But after the adjustment of sub-district 2 antenna number, the estimated value of the RSRP of the Serving cell that the UE in this zone measures will be less than covering thresholding TH-RSRP, and present embodiment is referred to as the weak area of coverage with such zone.In the overlay area, if the RSRP that the UE of the area of coverage does not have neighbor cell or neighbor cell a little less than being in is less than covering thresholding, then after the adjustment of Serving cell antenna number, this UE place will produce and cover leak a little less than this.
Further, if still the antenna number of sub-district 2 is adjusted, can also be through improving the power of sub-district 1; Eliminate the covering leak that is positioned at the C place; For example, the transmitting power of sub-district 1 is brought up in the scope that can cover the C place, guaranteed that the C place is covered by sub-district 1.
406: do not have the covering leak after judging the adjustment of Serving cell antenna number, the Serving cell antenna number is adjusted, flow process finishes.
To this step, after judging the adjustment of Serving cell antenna number, do not exist under the situation that covers leak, the Serving cell antenna number is adjusted, not only can not produce situation such as UE call drop or handoff failure, can also reach energy-conservation effect.
Need to prove; Only judge whether to exist below that to cover leak be example with the mode of the RSRP that measures Serving cell or neighbor cell; The method of the adjustment antenna number that present embodiment is provided is explained, and in the practical application, signal quality comprises RSRP and/or RSRQ; Then the method that provides of present embodiment can also judge whether through the RSRQ that measures Serving cell or neighbor cell to exist to cover leak; And according to judged result antenna number is adjusted, or judge whether to exist the covering leak with the RSRP that measures Serving cell or neighbor cell simultaneously and the mode of RSRQ, and according to judged result antenna number is adjusted; Principle is similar, gives unnecessary details no longer one by one here.
In addition; Serve as that to be example be illustrated the mode of adjustment parameter for the situation that reduces NTXA only below with the parameter adjustment scheme; Under the prerequisite that does not reduce NTXA, the parameter adjustment scheme confirmed as to reduce watt level energy-conservation to carry out, or reduce amount of bandwidth to carry out when energy-conservation; The method principle that present embodiment provides is suitable equally; Its process is consistent with the foregoing description content, whether has the covering leak after promptly need judging adjustment power or bandwidth, and adjusts power or bandwidth again judging under the prerequisite that leak do not occur covering.
For example, for Femto cell, will set transmitting power with the maximum rated power of dispatching from the factory after its base station start; If the RSRP/RSRQ that 99% UE reports its measurement is greater than-67dBm/4dBm; And cover thresholding be-70dBm/-1dBm, then the adjustment space of RSRP/RSRQ be respectively min (3dBm, 5dBm)=5dBm; Power reduces by half so, and (3dBm) also meet the covering thresholding, coverage is dwindled but still can be covered user's scope of activities.
Shown in Fig. 5 (a), originally the base station is according to the rated power transmitted power, and coverage is bigger.Dispatch from the factory the operation a period of time after; After for example moving a week; Measurement result to the subscriber equipment of collecting (for example mobile phone) reports is added up, if the RSRP/RSRQ of 99% UE reporting measurement during greater than-67dBm/4dBm, further decay power reduces the overlay area; Finally reduce its transmitting power, the adjusted overlay area of power is shown in Fig. 5 (b).
Alternatively, the method that present embodiment provides is supported in before the adjustment Serving cell parameter, and the parameter of the control base station services sub-district of notice neighbor cell will be adjusted, and make the control base station of neighbor cell after the Serving cell parameter adjustment, carry out measurement configuration; Or, after the Serving cell parameter is adjusted, notify control base station to neighbor cell with the temporal information of adjustment Serving cell parameter.Thereby can avoid adjusting parameter simultaneously because of two neighbor cells causes neighbor cell measurement to report the ageing reduction of RSRP and/or RSRQ.
For example, after sub-district NTXA changed, the temporal information that NTXA is changed through the X2 interface between the base station (or other high-level interface transmit, for example, S2 interface) sent to the control base station of neighbor cell; In addition; Can also be when Serving cell changes NTXA; (or other high-level interface are transmitted through the X2 interface between the base station; For example, S2 interface) inform the control base station of neighbor cell, the control base station that makes neighbor cell is carried out the covering of the RSRP/RSRQ of neighbor cell again and is measured after receiving the notice that the adjustment of Serving cell antenna number finishes.Need to prove that when the control base station of Serving cell and neighbor cell was same base station, above-mentioned notice neighbor cell step was that inside of base station is realized.
The method that present embodiment provides; Through before the parameter of adjustment Serving cell; Whether there is the covering leak when prejudging the parameter according to the parameter adjustment project setting Serving cell that is provided with in advance, and the parameter of Serving cell adjusted not having under the prerequisite that covers leak, not only guaranteed energy-efficient performance; Avoided simultaneously covering the generation of leak, thereby avoided the generation of situation such as call drop, handoff failure; In addition; Through before the parameter of adjustment Serving cell, notifying the parameter of this Serving cell of control base station of neighbor cell to adjust; Or after the parameter of adjustment Serving cell, notify the control base station to neighbor cell with the parameter adjustment temporal information of Serving cell, thereby it is ageing to have guaranteed that neighbor cell measurement reports.
Embodiment three
Referring to Fig. 6, present embodiment provides a kind of base station, can be used for realizing the operating procedure of base station among the foregoing description one and the embodiment two.This base station comprises: transmitting element 601, receiving element 602, judging unit 603 and adjustment unit 604.Wherein, the subscriber equipment of above-mentioned transmitting element 601 in Serving cell sends measurement configuration information, the signal quality of the signal quality that this measurement configuration information is used to indicate above-mentioned subscriber equipment to measure 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 the measurement result that above-mentioned judging unit 603 receives according to above-mentioned receiving element 602 is judged according to the parameter of the parameter adjustment project setting Serving cell that is provided with in advance, whether there is the covering leak; When above-mentioned adjustment unit 604 covers leak in the judged result of above-mentioned judging unit 603 for not existing, according to the parameter of the parameter adjustment project setting Serving cell that is provided with in advance.
Wherein, Above-mentioned transmitting element 601 also is used for the signal quality of Serving cell is sent to above-mentioned subscriber equipment in the measurement difference before and after the parameter adjustment; Make above-mentioned subscriber equipment after the signal quality according to its Serving cell that measures after measuring difference to judge parameter adjustment will not satisfy the covering thresholding, measure the signal quality of neighbor cell.
Referring to Fig. 7, above-mentioned judging unit 603 specifically can comprise: estimator unit 603a and judgment sub-unit 603b.Wherein, above-mentioned estimator unit 603a is according to the estimated value of the signal quality of Serving cell in the measurement difference estimated parameter adjustment back measurement result of signal quality before and after parameter adjustment of Serving cell; Whether the estimated value of signal quality that above-mentioned judgment sub-unit 603b is above-mentioned to judge the Serving cell that above-mentioned estimator unit 603a estimates is more than or equal to covering thresholding; If; When then judging the parameter according to the parameter adjustment project setting Serving cell that is provided with in advance, there is not the covering leak; If not, and when then judging the parameter according to the parameter adjustment project setting Serving cell of setting in advance, there is not the covering leak more than or equal to covering thresholding in the signal quality of signal quality or the neighbor cell in the measurement result of no neighbor cell in the measurement result.
Alternatively; Referring to Fig. 8; This base station can also comprise first notification unit 605; Be used for before the parameter of above-mentioned adjustment unit 604 according to the parameter adjustment project setting Serving cell that is provided with in advance, the parameter of the control base station services sub-district of notice neighbor cell will be adjusted, and make the control base station of neighbor cell after the notice that the parameter adjustment that receives Serving cell finishes, be configured measurement again.
Alternatively; Referring to Fig. 9; This base station can also comprise second notification unit 606, is used for after the parameter of above-mentioned adjustment unit 604 according to the parameter adjustment project setting Serving cell that is provided with in advance, the parameter adjustment temporal information of Serving cell being notified the control base station of neighbor cell.
The base station that present embodiment provides; Through before the parameter of adjustment Serving cell; Whether there is the covering leak when prejudging the parameter according to the parameter adjustment project setting Serving cell that is provided with in advance, and the parameter of Serving cell adjusted not having under the prerequisite that covers leak, not only guaranteed energy-efficient performance; Avoided simultaneously covering the generation of leak, thereby avoided the generation of situation such as call drop, handoff failure; In addition; Through before the parameter of adjustment Serving cell, notifying the parameter of this Serving cell of control base station of neighbor cell to adjust; Or after the parameter of adjustment Serving cell, notify the control base station to neighbor cell with the parameter adjustment temporal information of Serving cell, thereby it is ageing to have guaranteed that neighbor cell measurement reports.
Embodiment four
Referring to Figure 10, present embodiment provides a kind of subscriber equipment, and this subscriber equipment can be realized the operating procedure of subscriber equipment among the foregoing description one and the embodiment two.This equipment comprises: 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, the service quality of the neighbor cell of the measurement configuration information that send above-mentioned first receiving element 1001 reception base stations, this measurement configuration information signal quality that is used to indicate subscriber equipment to measure Serving cell and Serving cell; The measurement configuration information that above-mentioned first measuring unit 1002 receives according to above-mentioned first receiving element 1001 is measured the signal quality of Serving cell; The measurement difference of the signal quality of the Serving cell that send above-mentioned second receiving element 1003 reception base stations before and after parameter adjustment; The signal quality of the Serving cell that above-mentioned estimation unit 1004 measures according to above-mentioned first measuring unit 1002 and the measurement difference that above-mentioned second receiving element 1003 receives are estimated the estimated value of the signal quality of Serving cell after the parameter adjustment of Serving cell; First judging unit 1005 judges that whether the estimated value of signal quality of Serving cell of above-mentioned estimation unit 1004 outputs is less than covering thresholding; When the judged result of above-mentioned first judging unit 1005 be the estimated value of signal quality of Serving cell when covering thresholding, above-mentioned second measuring unit 1006 is measured the signal quality of neighbor cells; The above-mentioned measurement result that reports unit 1007 to report first measuring unit 1002 and second measuring unit 1006.
Alternatively, referring to Figure 11, this subscriber equipment can also comprise: second judging unit 1008, whether the signal quality of the neighbor cell that is used to judge that second measuring unit 1006 measures is less than covering thresholding.
At this moment, the signal quality of judging neighbor cell when second judging unit 1008 reports unit 1007 to report the measurement result of first measuring unit 1002 and second measuring unit 1006 again when covering thresholding.
The subscriber equipment that present embodiment provides; Through after receiving measurement configuration information, give the base station with reporting measuring result, whether there is the covering leak after making the base station judge the parameter adjustment of Serving cell according to measurement result; And under the prerequisite of not having the covering leak, the parameter of Serving cell is adjusted; Not only guaranteed energy-efficient performance, avoided simultaneously covering the generation of leak, thereby avoided the generation of situation such as call drop, handoff failure.
Embodiment five
Referring to Figure 12, present embodiment provides a kind of system that adjusts parameter, and this system comprises: base station 1201 and subscriber equipment 1202.Wherein, the base station of base station 1201 for providing, the subscriber equipment of subscriber equipment 1202 for providing like above-mentioned embodiment four like above-mentioned embodiment three.
In sum, the system that present embodiment provides gives the base station through subscriber equipment with reporting measuring result; Make the base station before the parameter of adjustment Serving cell; Whether there is the covering leak after prejudging the parameter adjustment of Serving cell, and the parameter of Serving cell adjusted not having under the prerequisite that covers leak, not only guaranteed energy-efficient performance; Avoided simultaneously covering the generation of leak, thereby avoided the generation of situation such as call drop, handoff failure; In addition; Through before the parameter of adjustment Serving cell, notifying the parameter of this Serving cell of control base station of neighbor cell to adjust; Or after the parameter of adjustment Serving cell, notify the control base station to neighbor cell with the parameter adjustment temporal information of Serving cell, thereby it is ageing to have guaranteed that neighbor cell measurement reports.
Need to prove: the base station that the foregoing description provides is when the adjustment parameter; Subscriber equipment is when measurement and report; Only the division with above-mentioned each functional module is illustrated, and in the practical application, can as required the above-mentioned functions distribution be accomplished by different functional; The internal structure that is about to base station or subscriber equipment is divided into different functional, to accomplish all or part of function of above description.In addition, the system of the base station that the foregoing description provides, subscriber equipment, adjustment parameter, the method for measurement and report belong to same design with the method embodiment of adjustment parameter, and its concrete implementation procedure sees method embodiment for details, repeats no more here.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.Equally, the base station also is merely with " first " " second " among the subscriber equipment embodiment and distinguishes different unit.
All or part of step in the embodiment of the invention can utilize software to realize that corresponding software programs can be stored in the storage medium that can read, like CD or hard disk etc.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. a method of adjusting parameter is characterized in that, said method comprises:
The subscriber equipment of base station in Serving cell sends measurement configuration information, the signal quality of the signal quality that said measurement configuration information is used to indicate said subscriber equipment to measure said Serving cell and the neighbor cell of said Serving cell;
Said base station receives the measurement result of said user equipment to report;
If said base station is judged when said base station during according to the parameter of the said Serving cell of parameter adjustment project setting that is provided with in advance according to said measurement result; Do not have the covering leak, then said base station is according to the parameter of the said said Serving cell of parameter adjustment project setting that is provided with in advance.
2. method according to claim 1 is characterized in that, said measurement result comprises:
The signal quality of the said Serving cell of the user equipment to report in the said Serving cell and the signal quality of said neighbor cell.
3. method according to claim 2 is characterized in that, before the measurement result of the said user equipment to report of said reception, also comprises:
Said base station sends to said subscriber equipment with the signal quality of said Serving cell in the measurement difference before and after the parameter adjustment; Make said subscriber equipment will measure the signal quality of said neighbor cell less than after covering thresholding at the signal quality of judging said Serving cell after the said parameter adjustment according to said measurement difference.
4. method according to claim 1 is characterized in that, saidly judges when said base station during according to the parameter of the said Serving cell of parameter adjustment project setting that is provided with in advance according to said measurement result, does not have the covering leak, specifically comprises:
Signal quality estimated value of the signal quality of Serving cell described in the said measurement result after the adjustment of the measurement difference estimated parameter before and after the parameter adjustment according to said Serving cell;
Whether the estimated value of signal quality of judging said Serving cell is more than or equal to covering thresholding;
If when then judging the parameter according to the said said Serving cell of parameter adjustment project setting that is provided with in advance, do not have the covering leak;
If not; And the signal quality of the said neighbor cell in the said measurement result in the signal quality of no neighbor cell or the said measurement result is more than or equal to covering thresholding; When then judging the parameter according to the said said Serving cell of parameter adjustment project setting that is provided with in advance, there is not the covering leak.
5. method according to claim 1 is characterized in that, before the said parameter according to the said Serving cell of parameter adjustment project setting that is provided with in advance, also comprises:
Notify the parameter of the said Serving cell in control base station of said neighbor cell to adjust, make the control base station of said neighbor cell after the notice that the parameter adjustment that receives said Serving cell finishes, carry out measurement configuration again.
6. method according to claim 1 is characterized in that, after the said parameter according to the said Serving cell of parameter adjustment project setting that is provided with in advance, also comprises:
The parameter adjustment temporal information of said Serving cell is notified the control base station of said neighbor cell.
7. according to the described method of arbitrary claim among the claim 1-6, it is characterized in that said signal quality comprises Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ.
8. a base station is characterized in that, said base station comprises:
Transmitting element is used for sending measurement configuration information to the subscriber equipment of Serving cell, the signal quality of the signal quality that said measurement configuration information is used to indicate said subscriber equipment to measure said Serving cell and the neighbor cell of said Serving cell;
Receiving element is used to receive the measurement result of said user equipment to report;
When judging unit, the measurement result that is used for receiving according to said receiving element are judged according to the parameter of the said Serving cell of parameter adjustment project setting that is provided with in advance, whether there is the covering leak; With
Adjustment unit is used for when the judged result of said judging unit covers leak for not existing, according to the parameter of the said said Serving cell of parameter adjustment project setting that is provided with in advance.
9. base station according to claim 8; It is characterized in that; Said transmitting element; Also be used for the signal quality of said Serving cell is sent to said subscriber equipment in the measurement difference before and after the parameter adjustment, make the signal quality of said subscriber equipment its said Serving cell that measures after judging said parameter adjustment will not satisfy the covering thresholding according to said measurement difference after, measure the signal quality of said neighbor cell.
10. base station according to claim 8 is characterized in that, said judging unit specifically comprises:
The estimator unit is used for the estimated value according to the signal quality of Serving cell described in the said measurement result in measurement difference estimated parameter adjustment back of signal quality before and after parameter adjustment of said Serving cell; With
Judgment sub-unit; The parameter of the said Serving cell that is used to judge that said estimator unit estimation goes out according to the said parameter adjustment project setting that is provided with in advance after; Whether the estimated value of the signal quality of the said Serving cell in the said measurement result is more than or equal to covering thresholding; If when then judging the parameter according to the said said Serving cell of parameter adjustment project setting that is provided with in advance, do not have the covering leak; If not; And the signal quality of the said neighbor cell in the said measurement result in the signal quality of no neighbor cell or the said measurement result is more than or equal to covering thresholding; When then judging the parameter according to the said said Serving cell of parameter adjustment project setting that is provided with in advance, there is not the covering leak.
11. base station according to claim 8 is characterized in that, said base station also comprises:
First notification unit; Be used for before the parameter of said adjustment unit according to the said said Serving cell of parameter adjustment project setting that is provided with in advance; Notify the parameter of the said Serving cell in control base station of said neighbor cell to adjust, make the control base station of said neighbor cell after the notice that the parameter adjustment that receives said Serving cell finishes, be configured measurement again.
12. base station according to claim 8 is characterized in that, said base station also comprises:
Second notification unit is used for after the parameter of said adjustment unit according to the said said Serving cell of parameter adjustment project setting that is provided with in advance, the parameter adjustment temporal information of said Serving cell being notified the control base station of said neighbor cell.
13. the method for a measurement and report is characterized in that, said method comprises:
Subscriber equipment receives the measurement configuration information that send the base station, the service quality of the signal quality that said measurement configuration information is used to indicate said subscriber equipment to measure Serving cell and the neighbor cell of said Serving cell;
Said subscriber equipment is measured the signal quality of said Serving cell according to said measurement configuration information;
Said subscriber equipment receives the measurement difference of signal quality before and after parameter adjustment of the said Serving cell that sends said base station;
Said subscriber equipment is estimated the estimated value of the signal quality of said Serving cell after the parameter adjustment of said Serving cell according to the signal quality and the said measurement difference of the said Serving cell that measures;
When the estimated value of the signal quality of said Serving cell when covering thresholding, said subscriber equipment is measured the service quality of said neighbor cell;
Said subscriber equipment is to said base station reporting measurement result.
14. method according to claim 13 is characterized in that, said subscriber equipment comprised before said base station reporting measurement result: whether the signal quality of judging said neighbor cell is less than said covering thresholding;
Said subscriber equipment comprises to said base station reporting measurement result: when the signal quality of said neighbor cell during less than said covering thresholding, said subscriber equipment is to said base station reporting measurement result.
15., it is characterized in that said measurement result comprises according to claim 13 or 14 described methods:
The signal quality of said Serving cell and the signal quality of said neighbor cell.
16. method according to claim 15 is characterized in that, said signal quality comprises Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ.
17. a subscriber equipment is characterized in that, said subscriber equipment comprises:
First receiving element is used to receive the measurement configuration information that send the base station, the service quality of the signal quality that said measurement configuration information is used to indicate said subscriber equipment to measure Serving cell and the neighbor cell of said Serving cell;
First measuring unit is used for measuring according to the measurement configuration information that said first receiving element receives the signal quality of said Serving cell;
Second receiving element is used to receive the measurement difference of the signal quality of the said Serving cell that sends said base station in the parameter adjustment front and back;
Estimation unit; The signal quality of the said Serving cell that is used for measuring according to said first measuring unit and the said measurement difference that said second receiving element receives are estimated the estimated value of the signal quality of said Serving cell after the parameter adjustment of said Serving cell;
First judging unit, whether the estimated value of signal quality of said Serving cell that is used to judge said estimation unit output is less than covering thresholding;
Second measuring unit, the estimated value of signal quality that is used for judged result when said first judging unit and is said Serving cell is measured the signal quality of said neighbor cell when covering thresholding; With
Report the unit, be used to report the measurement result of said first measuring unit and said second measuring unit.
18. subscriber equipment according to claim 17 is characterized in that, said subscriber equipment also comprises:
Second judging unit, whether the signal quality of the neighbor cell that is used to judge that said second measuring unit measures is less than said covering thresholding;
The said unit that reports is further used for, and the signal quality that goes out said neighbor cell when said second judgment unit judges reports the measurement result of said first measuring unit and said second measuring unit during less than said covering thresholding.
19., it is characterized in that said signal quality comprises Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to claim 17 or 18 described subscriber equipmenies.
20. a system that adjusts parameter is characterized in that, said system comprises:
Like the described base station of arbitrary claim among the said claim 8-12 with like the described subscriber equipment of arbitrary claim among the said claim 17-19.
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| CN201010624734.9A CN102572928B (en) | 2010-12-24 | 2010-12-24 | Method and system for adjusting parameters and method for reporting measurement results, as well as equipment |
| PCT/CN2011/083560 WO2012083793A1 (en) | 2010-12-24 | 2011-12-06 | Method, device, and system for adjusting parameter and reporting measurement |
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| CN102572928B (en) | 2014-12-24 |
| WO2012083793A1 (en) | 2012-06-28 |
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