CN101827386A - Method, system and related device for adjusting transmitting power - Google Patents
Method, system and related device for adjusting transmitting power Download PDFInfo
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Abstract
The invention discloses a method, a system and a related device for adjusting transmitting power, applied to the technical field of communication. The embodiment of the invention provides the method for adjusting transmitting power, comprising the steps of obtaining a measurement report reported by a terminal; and adjusting the transmitting power of a network node according to the relationship between the signal quality indicated in the measurement report and the signal quality of a coverage area edge of a base station. The embodiment of the invention further provides the device and the system for adjusting transmitting power. By the embodiment of the invention, when the coverage area of the network node can excess the coverage area of the base station or can not cover the coverage area edge of the base station, a network side automatically adjusts the transmitting power of the network node so as to realize the adjustment of the coverage area of the network node and not to influence other network devices while the requirements of edge users of the base station are greatly met.
Description
Technical field
The present invention relates to communication technical field, particularly the method for adjustment of transmitting power, system and relevant device.
Background technology
In existing mobile communication system, the edge that covers in the sub-district is often because the covering problem of wireless network causes the user to experience relatively poor.Therefore, cover, improve the cell edge throughput in order to realize high-speed wireless network, introduced relay station (RelayNode, RN).The introducing of relay station can also provide new functions such as zone covering.
Relay station links to each other with base station (eNB) by a wireless links, as shown in Figure 1a, if terminal (UserEquipment, UE) at the coverage of relay station (among the figure shown in the dotted line), then can link to each other with relay station earlier, relay station links to each other with the base station then, thereby realizes the aerial connection of this terminal to base station.
Select the situation shown in Fig. 1 b and Fig. 1 c to occur when unreasonable from the distance of base station at the transmitting power of relay station and relay station.Under the situation of Fig. 1 b: terminal is in the coverage of base station, and not the coverage of relay station (drawing the oblique line scope), terminal will directly link to each other with the base station in covering edge like this, can't link to each other with the base station by relay station, still exists the sub-district to cover the original problem in edge; Under the situation of Fig. 1 c: terminal can be connected with terminal by relay station, accept the adjusting of relay station, yet because the coverage of relay station is big, will produce adjacent base station range and disturb, and, also can cause the operation of relay station and maintenance cost to improve because the relay station transmitting power is bigger.
In process to prior art practice and research, the present inventor finds: in the prior art, the relay station coverage may exceed the coverage of base station, may not cover the covering edge of base station yet, the user's at base station range edge requirement can not be well satisfied, perhaps other network equipments can be influenced.
Summary of the invention
The embodiment of the invention provides method of adjustment, system and the relevant device of transmitting power, makes in the demand that well satisfies edge customer, does not also influence other network equipments.
The method of adjustment of a kind of transmitting power that the embodiment of the invention provides, this method comprises:
Obtain the measurement report of terminal to report;
According to the relation of the signal quality at signal quality of indicating in this measurement report and base station range edge, adjust the transmitting power of network node.
The method of adjustment of the another kind of transmitting power that the embodiment of the invention provides, this method comprises:
Obtain the measurement report of terminal to report;
According to the relation of the signal quality at signal quality of indicating in this measurement report and base station range edge, the informing network node is adjusted transmitting power.
The method of adjustment of another transmitting power that the embodiment of the invention provides, this method comprises:
Obtain the configuration of measurement event;
According to the configuration of the measurement event of obtaining, send measurement report to network side, wherein, measurement report is used for network side is adjusted network node according to this measurement report transmitting power.
A kind of network node that the embodiment of the invention provides, this network node comprises:
Acquiring unit is used to obtain the measurement report of terminal to report;
Adjustment unit is used for the relation of the signal quality at the signal quality of indicating according to the measurement report that acquiring unit obtains and base station range edge, adjusts the transmitting power of present networks node.
A kind of base station that the embodiment of the invention provides, this base station comprises:
Acquiring unit is used to obtain the measurement report of terminal to report;
Notification unit is used for the relation of the signal quality at the signal quality of indicating according to the measurement report that acquiring unit obtains and base station range edge, and the informing network node is adjusted transmitting power.
A kind of terminal that the embodiment of the invention provides, this terminal comprises:
Acquiring unit is used to obtain the measurement event of the terminal of network side configuration;
Report the unit, be used for the configuration of the measurement event obtained according to acquiring unit, when measurement event was satisfied, to the network side reporting measurement reports, wherein measurement report was used for the transmitting power that network side is adjusted network node.
The Adjustment System of a kind of transmitting power that the embodiment of the invention provides, this system comprises:
Network node is used to obtain the measurement report that terminal reports according to the measurement event of base station configuration, and according to the relation of the signal quality at signal quality of indicating in this measurement report and base station range edge, adjusts the transmitting power of present networks node.
The Adjustment System of the another kind of transmitting power that the embodiment of the invention provides, this system comprises:
The base station is used for the allocating and measuring incident; Obtain the measurement report that terminal reports according to the configuration of this measurement event; According to the relation of the signal quality at signal quality of indicating in this measurement report and base station range edge, the informing network node is adjusted transmitting power.
The embodiment of the invention provides a kind of method of adjustment of transmitting power, device and system, each embodiment measures the signal quality that receives base station signal by terminal, with receive base station range in the signal quality of other network side signals equate or when close, reporting measurement reports is given network side, judge and adjust the transmitting power of network node according to measurement report by network side, thereby adjusted the coverage of network node, make the edge customer in the base station range can make full use of this network node, well satisfy the demand of base station edge customer, do not influenced other the network equipment.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, 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 a is the structural representation of base station and terminal communication in the prior art;
Fig. 1 b is the structural representation of another kind of base station and terminal communication in the prior art;
Fig. 1 c is the structural representation of another base station and terminal communication in the prior art;
Fig. 2 is the flow chart of the method for adjustment of a kind of transmitting power of providing of the inventive method embodiment;
Fig. 3 is the flow chart of the method for adjustment of a kind of transmitting power of providing of the inventive method embodiment;
Fig. 4 is the flow chart of the method for adjustment of a kind of transmitting power of providing of the inventive method embodiment;
Fig. 5 is the flow chart of the method for adjustment of a kind of transmitting power of providing of the inventive method embodiment;
Fig. 6 is the structural representation of the Adjustment System of a kind of transmitting power of providing of system embodiment of the present invention;
Fig. 7 is the structural representation of a kind of network node of providing of present device embodiment;
Fig. 8 is the structural representation of a kind of base station of providing of present device embodiment;
Fig. 9 is the structural representation of a kind of terminal of providing of present device embodiment;
Figure 10 is the flow chart of the method for adjustment of a kind of transmitting power of providing of the inventive method embodiment;
Figure 11 is the flow chart of the method for adjustment of a kind of transmitting power of providing of the inventive method embodiment;
Figure 12 is the flow chart of the method for adjustment of a kind of transmitting power of providing of the inventive method embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Referring to Figure 10, the method for adjustment of the transmitting power that the embodiment of the invention provides can realize as follows:
Step 1002 according to the relation of the signal quality at signal quality of indicating in this measurement report and base station range edge, is adjusted the transmitting power of network node.
In the embodiment of the invention, adjusting transmitting power can only increase transmitting power, makes the coverage of network node become suitable scope by original small range; Also can only reduce transmitting power, make the coverage of network node become suitable scope by original bigger scope; Also can increase transmitting power, enlarge the coverage of network node, and when coverage is big, reduce transmitting power, dwindle the coverage of network node in coverage hour.
Pass through present embodiment, when the coverage of network node is improper, can adjust the transmitting power of network node, thereby adjust its coverage, make the edge customer in the base station range can make full use of this network node, well satisfy the demand of base station edge customer, do not influenced other the network equipment.Simultaneously, the adjustment of this coverage can independently be finished by network side, need not artificial participation, when having saved human cost, has also guaranteed the promptness of adjusting.
Referring to Figure 11, the method for adjustment of the transmitting power that the embodiment of the invention provides also can realize as follows:
Step 1102, according to the relation of the signal quality at signal quality of indicating in this measurement report and base station range edge, the informing network node is adjusted transmitting power.
With reference to an embodiment in the present invention, adjust transmitting power and can comprise increase and reduce.
Pass through present embodiment, when the coverage of network node is improper, can adjust the transmitting power of network node, thereby adjust its coverage, make the edge customer in the base station range can make full use of this network node, well satisfy the demand of base station edge customer, do not influenced other the network equipment.Simultaneously, the adjustment of this coverage can independently be finished by network side, need not artificial participation, when having saved human cost, has also guaranteed the promptness of adjusting.
Referring to Figure 12, the method for adjustment of the transmitting power that the embodiment of the invention provides can also realize as follows:
Step 1201, the configuration of obtaining measurement event;
Step 1202 according to the configuration of the measurement event of obtaining, sends measurement report to network side, and wherein, measurement report is used for network side is adjusted network node according to this measurement report transmitting power.
Pass through present embodiment, when the coverage of network node is improper, terminal can be by obtaining the configuration of measurement event, and report according to above-mentioned configuration measurement, make network side can adjust the transmitting power of network node according to this measurement report, thereby adjust the coverage of network node, when making the demand of base station edge customer well be satisfied, also can not impact other network equipments.
Below illustrate by embodiment more specifically:
Method embodiment one,
A kind of method of adjustment of transmitting power in the present embodiment is the example explanation with the relay station, and flow chart comprises as shown in Figure 2:
The signal quality that terminal receives base station a signal is R1, the signal quality that receives the network node b signal in a coverage of base station is R2, from base station a farthest and to be in the signal quality that terminal in a coverage of base station receives this base station a signal be Thre_R, then measurement event can comprise: R1 equates with R2; Or R1 equates with R2 and greater than Thre_R; Or R1 equates with R2 and less than Thre_R; Or R1 equates with R2 and more than or equal to Thre_R; Or R1 equates with R2 and smaller or equal to Thre_R.
Further, the concrete value of Thre_R can be not included in the configuration of measurement report, but sends to terminal by other message, for example the broadcast of base station or relay station or specific messages.And, when notice terminal Thre_R, can directly not send the value of Thre_R, but send the relevant information of Thre_R, terminal obtains the value of Thre_R by this associated information calculation.Perhaps, Thre_R also can be preset in the terminal.
In the configuration of measurement report, issue Thre_R and can save signal resource, need not take more signal resource and send Thre_R.
When the allocating and measuring incident, further the amount that need measure of configurating terminal and terminal need the content that reports in measurement report.For example can configurating terminal witness mark symbol received power, signal to noise ratio, perhaps Signal to Interference plus Noise Ratio etc.For example can also in measurement report, report an empty report or a report that contains signal quality measured values by configurating terminal.
When the allocating and measuring incident, can use reference symbol received power (RSRP), or signal to noise ratio (snr), or Signal to Interference plus Noise Ratio parameters such as (SINR) is represented signal quality.Wherein for RSRP, SNR and SINR, it is low to be worth little expression signal quality, the big expression of value signal quality height.
Network node b can for relay station or repeater or microcellulor or access point (AP) or Home eNodeB (H (e) NB) etc. in order to improve the network node that the cell edge covering performance is introduced, terminal can be connected with the base station by these network nodes, be that relay station is illustrated with network node b all in the following description, the implementation method of other network nodes can be with reference to the implementation method of relay station.
Further, in measurement event, R1 equates also approximately equal with R2, and promptly R1=R2 can replace with R1=R2+A, and promptly R1 and R2 differ a biasing.In the following description, all to equate being example, the situation of approximately equal (promptly differing a biasing) can be with reference to situation about equating, the back repeats no more.
Can indicating terminal to the network side reporting measurement reports, further, can when satisfying measurement event, measurement result report empty measurement report by indicating terminal when satisfying above-mentioned measurement event judging to network side according to measurement result.
Be appreciated that this step need carry out before step 203, and do not have ordinal relation, can before step 200, carry out with the step of front;
When in step 200 configuration measurement event in comprise: R1=R2 and greater than/less than/more than or equal to/smaller or equal to Thre_R, and when not comprising the value of Thre_R or relevant information, need execution in step 202, send concrete value or the relevant information of Thre_R by broadcast or dedicated signaling etc., if when having comprised the value of Thre_R or relevant information in the measurement event of configuration, execution in step 202.
Accordingly, in the configuration of measurement report, not only comprise R1=R2, when also comprising the concerning of R1, R2 and Thre_R, for example be R1=R2＞Thre_R, judge that signal quality minT minimum in a plurality of measurement reports report is greater than or less than Thre_R, when be judged as greater than the time, execution in step 204; When be judged as less than the time, execution in step 205.
Above-mentioned a plurality of measurement report can be that the measurement report of terminal to report in statistics a period of time obtains, and the length of the time of statistics can manually be set also and can be set by network side.
Further, also can not carry out the statistics of a period of time, but after receiving measurement report, judge at once.For example, when receiving the measurement report that terminal reports according to R1=R2＜Thre_R, can directly judge execution in step 205, and need not to wait for a period of time again to add up.In this case, if the configuration of measurement event is when satisfying R1=R2＜Thre_R, the report that reports an empty report or to comprise to satisfy this incident or report that comprises concrete measured value or one comprise the report with the Thre_R difference; Then, can judge execution in step 205 receiving empty report or comprising the report of satisfying this incident or report that comprises concrete measured value or one when comprising report with the Thre_R difference.
Be appreciated that, as the minR of statistics after a period of time during greater than Thre_R, because being the terminal of minR, received signal quality can be considered as apart from relay station terminal farthest, if this terminal receives the signal quality of relay station greater than Thre_R, then under the situation of described network node invariant position, the transmitting power that need increase network node could enlarge the coverage of network node.
Be appreciated that, because R1=R2＞during Thre_R, in the terminal of the not all R1=R2 of possible this terminal from relay station terminal farthest, so needing statistics a period of time is the terminal of minR with the signal quality of the reception in the terminal that finds all R1=R2, it is interior from relay station terminal farthest that this terminal can be considered as this time period.Therefore, if the signal quality R that this terminal receives greater than Thre_R then, the coverage of relay station may be big inadequately, can not cover cell edge, therefore needs to adjust the transmitting power of relay station, thereby adjust the coverage of relay station.
And when R1=R2＜Thre_R, as long as there is such terminal to exist, surpassed cell edge with regard to the coverage that relay station is described, may interfere with other relay station, therefore need to adjust the transmitting power of this relay station, to adjust the coverage of this relay station.
Further, can also pass through the location information of terminals auxiliary judgment.When utilizing location information of terminals to carry out auxiliary judgment, can configurating terminal at R1=R2＞Thre_R, and reporting measurement reports apart from the base station farthest the time.Can judge terminal apart from the base station farthest by several different methods, for example to be positioned at the base station be starting point and by on the ray of relay station to terminal.At this moment, when receiving this measurement report, can directly judge execution in step 204.
Also can configurating terminal at R1=R2, and reporting measurement reports apart from the base station farthest the time.At this moment, when receiving this measurement report, whether judge R1 and/or R2 greater than Thre_R, if greater than, then execution in step 204.
Further, the judgement of terminal geographic position also can be undertaken by network side, i.e. configurating terminal reporting measurement reports when R1=R2＞Thre_R still, after receiving this measurement report, judge whether the terminal that reports is positioned at apart from position farthest, base station, if then execution in step 204; Perhaps configurating terminal is a reporting measurement reports at R1=R2, receive this measurement report after, whether judge R1 and/or R2 greater than Thre_R, if greater than, then continue to judge whether this terminal is positioned at apart from position farthest, base station, if then execution in step 204.Judge R1 and/or R2 whether greater than Thre_R with judge that whether terminal is that farthest step can be carried out simultaneously also can divide successively and carries out apart from the base station, when dividing priority to carry out, does not have specific sequencing.
In conjunction with the location information of terminals auxiliary judgment time, terminal and/or network side can be known location information of terminals, and do not need to add up a period of time again and whether just can carry out judgement greater than Thre_R.
And, in conjunction with the location information of terminals auxiliary judgment time, can configurating terminal only at R1=R2, and apart from base station point reporting measurement reports farthest, at this moment, the value of R1 in the measurement report and/or R2 is compared with Thre_R, if greater than execution in step 204, if less than execution in step 205.
Be appreciated that, the configuration of measurement report can be that a kind of in the above-mentioned various configuration also can be the combination of a plurality of configurations, for example terminal reports a measurement report that comprises concrete measured value when R1=R2＞Thre_R, and reports an empty report when R1=R2＜Thre_R.
Being appreciated that what carry out the said method step can be the base station, also can be relay station, or the repeater, or microcellulor, or AP, or other network nodes such as H (e) NB, can also be the network node etc. of independent adjustment power.For base station, relay station, or the repeater, or microcellulor, or AP, or network node such as H (e) NB, carried out above-mentioned steps at 200 to 202 o'clock, carry out before judging first, and do not need in the deterministic process afterwards all to carry out at every turn.
The network node of independent adjustment power can not need execution in step 200 to 202, and judge that directly realize by following steps, flow chart is consulted Fig. 3 before judging first:
When obtaining Thre_R here, can be to receive the base station to send; And when obtaining minR, can be to receive the measurement report that transmit the base station, and obtain according to this measurement report, also can be the measurement report that direct receiving terminal sends, and obtain according to this measurement report.Certainly Thre_R and minR can also obtain by additive method, and this is not construed as limiting the invention.
In the present embodiment, the signal quality that receives this signal of base station quality and receive other network nodes in the described base station range when the terminal in the base station range equates or during approximately equal, judge that whether minR is greater than Thre_R, if greater than would increase the transmitting power of network node, if less than would reduce the generation power of network node, thereby adjust the coverage of network node, make the interior edge customer of base station range can accept the adjustment of network node such as relay station, well satisfy the demand of base station edge customer, do not influenced other the network equipment.And, can finish automatically by network side for the adjustment of network node, and need not artificial participation, saved human cost, also guaranteed the promptness of adjusting.
Method embodiment two,
A kind of method of adjustment of transmitting power, adjusting the transmitting power of relay station, and executive agent is the base station in the present embodiment, signal quality is expressed as the example explanation with signal strength signal intensity RSRP, this method embodiment is a kind of specific implementation method of embodiment one, and flow chart comprises as shown in Figure 4:
The measurement event of step 400, base station configuration terminal;
The terminal measurement event comprises: receive the signal strength signal intensity RSRP1 of base station signal, with receive this base station range in the signal strength signal intensity RSRP2 of relay station equate, and greater than farthest the signal strength signal intensity Thre_RSRP of terminal reception base station signal from this base station; Wherein also comprised the information relevant in the configuration of measurement event, be used to make terminal to obtain the occurrence of Thre_RSRP with Thre_RSRP.Be appreciated that equating to be meant closely here to equate.
Step 401, base station send to terminal with the configuration of measurement event by broadcast or dedicated signaling etc., reporting measurement reports when indicating terminal takes place in above-mentioned measurement event;
Step 402, terminal receive the configuration of measurement event, according to the allocating and measuring RSRP of measurement event;
Be appreciated that terminal can only receive here when measuring first when the configuration of receiving terminal measurement event.
Step 403, when confirming RSRP1=RSRP2, the terminal to report measurement report is given the base station;
The measurement report that reports can be empty report, also can comprise the occurrence of RSRP1 and/or RSRP2, can also be other information certainly, is not construed as limiting the invention.
Judge according to measurement report, among the RSRP of each measurement report, minimum RSRP be minRSRP whether greater than Thre_RSRP, when be judged as greater than the time, execution in step 405; Alternatively, when judge less than the time, execution in step 406;
And optionally, during the RSRP that the base station comprises in receiving a measurement report＜Thre_RSRP, need not receive a plurality of measurement reports again can execution in step 406.
Further, if being configured to of measurement event, when satisfying RSRP1=RSRP2＞Thre_RSRP, report empty report, then the base station is when judging, when terminal to report be empty report the time, the measurement report of receiving terminal in a period of time need be added up in the base station, when measurement report all is empty report, then be judged as greater than.
Represent signal quality with RSRP in the present embodiment, the comparative result of the RSRP of terminal reception is adjusted the transmitting power of relay station according to the base station, thereby adjusted the coverage of relay station, make the interior edge customer of base station range can accept the adjustment of relay station, well satisfy the demand of base station edge customer, do not influenced other the network equipment.And this adjustment operation can be finished automatically by network side, need not artificial participation, has saved human cost, and has guaranteed the promptness of adjusting.
Method embodiment three,
A kind of method of adjustment of transmitting power, transmitting power, executive agent with the adjustment relay station in the present embodiment are relay station, and signal quality is expressed as the example explanation with signal to noise ratio (snr), and this method embodiment is a kind of specific implementation method of embodiment one, flow chart comprises as shown in Figure 5:
Farthest the terminal from this base station that step 500, relay station receive that the base station sends receives the signal to noise ratio Thre_SNR of base station signal, or receives the necessary information of calculating Thre_SNR, configurating terminal measurement event;
The terminal measurement event comprises: receives the signal to noise ratio snr 1 of base station signal, equates with the signal to noise ratio snr 2 of relay station in this base station range of reception, and less than Thre_SNR; Also comprise: the information relevant with Thre_SNR.Be appreciated that here equate to be meant approximately equal.
Wherein the configuration of terminal measurement event can be that base station configuration sends to relay station, also can be relay station oneself configuration.
Step 501, relay station send to terminal with the terminal measurement event by broadcasting or dedicated signaling etc., and indicating terminal is reporting measurement reports when measurement result satisfies measurement event.
The configuration of step 502, terminal receiving terminal measurement event is according to the allocating and measuring SNR of terminal measurement event;
Be appreciated that terminal can only receive here when measuring first when the configuration of receiving terminal measurement event.
Step 503, when confirming SNR1=SNR2, the terminal to report measurement report is given described base station;
The measurement report that reports can be empty report, also can comprise the occurrence of SNR1 and/or SNR2, can also be other information, is not construed as limiting the invention.
The measurement report of the terminal to report that relay station receives can be that terminal directly sends to relay station, also can be that the base station is transmitted to relay station.
Further, if being configured to of measurement event, when SNR1=SNR2＞Thre_SNR, report empty report, then relay station is when judging, when terminal to report be empty report the time, the measurement report that receives need be added up in the base station in a period of time, when measurement report all is empty report, then be judged as minSNR＞Thre_SNR.
Represent signal quality with SNR in the present embodiment, the comparative result of the SNR of terminal reception is adjusted the transmitting power of this relay station according to relay station, thereby adjusted the coverage of relay station, make the interior edge customer of base station range can accept the adjustment of relay station, well satisfy the demand of base station edge customer, do not influenced other the network equipment.And this adjustment operation can be finished automatically by network side, need not artificial participation, has saved human cost, and has guaranteed the promptness of adjusting.
System embodiment,
A kind of Adjustment System of transmitting power, structural representation comprise as shown in Figure 6:
Wherein, the measurement report that terminal 100 reports can be that terminal 100 directly reports to network node 200, also can be that base station 300 is transmitted to network node 200.
Further, network node 200 can only be used for the notice according to base station 300, increases the transmitting power of present networks node 200 or reduces the transmitting power of present networks node 200.At this moment, base station 300 is used for the measurement event of configurating terminal 100, and the configuration of measurement event is sent to terminal 100; The measurement report that receiving terminal 100 reports, and according to measurement report judge in a period of time, whether minR greater than Thre_R; And/or whether R is less than Thre_R; And judged result be greater than the time, informing network node 200 increases transmitting powers, judged result be less than the time, informing network node 200 reduces transmitting power.
In the Adjustment System of the transmitting power in the present embodiment, also can carry out the configuration of measurement event, the reception and the comparison of measurement report, and according to comparative result, informing network node 200 increases transmitting power or reduces transmitting power by base station 300.
Adjustment System by the transmitting power that provides in the present embodiment, network node can increase and/or reduce transmitting power according to indication or oneself decision of base station, thereby adjust the coverage of this network node, make the interior edge customer of base station range can accept the adjustment of network node such as relay station, well satisfy the demand of base station edge customer, do not influenced other the network equipment.And this adjustment can be finished automatically by network side, need not artificial participation, has saved human cost, and has guaranteed the promptness of adjusting.
Apparatus embodiments one,
In each of the embodiments described below, R is the signal quality that terminal is measured, R1 is the signal of base station quality that terminal is measured, R2 is the signal quality of the relay station of terminal measurement, Thre_R is the signal of base station quality apart from base station terminal measurement farthest in base station range, and minR is the minimum value of the R in a plurality of measurement reports.
A kind of network node 200, structural representation comprises as shown in Figure 7:
Acquiring unit 70 is used to obtain the measurement report of terminal to report.
Wherein acquiring unit 70 is used for obtaining measurement report by the measurement report that direct receiving terminal reports, and perhaps obtains measurement report by receiving the measurement report of transmitting the base station.
This measurement report can be reported for sky, also can comprise occurrence or the relevant information of R.
Adjustment unit 71 is used for the relation of the signal quality at the signal quality of indicating according to the measurement report that acquiring unit 70 obtains and base station range edge, adjusts the transmitting power of present networks node 200.
This adjustment unit 71 further comprises first adjustment unit 711, and the minR that is used for a plurality of measurement reports of obtaining at acquiring unit 70 increases the transmitting power of present networks node 200 during greater than Thre_R.
Further, first adjustment unit 711 also is used for increasing the transmitting power of present networks node 200 when acquiring unit 70 obtains a plurality of empty measurement report.Its hollow measurement report measurement report that to be terminal report when R1=R2＞Thre_R.
Adjustment unit 71 can also comprise second adjustment unit 712, and the minR that is used for a plurality of measurement reports of obtaining at acquiring unit 70 reduces the transmitting power of present networks node 200 during less than Thre_R.
Further, second adjustment unit 712 can also be used for the measurement report that obtains at acquiring unit 70, as long as there is R promptly to reduce the transmitting power of present networks node 200 less than Thre_R.
Further, second adjustment unit 712 can also be used for reducing the transmitting power of present networks node 200 when acquiring unit 70 obtains an empty measurement report.Wherein, the empty measurement report measurement report that to be terminal report when R1=R2＜Thre_R.
One of ordinary skill in the art will appreciate that, adjustment unit 71 in the network node 200 in the present embodiment can comprise second adjustment unit 712 and not comprise first adjustment unit 711, also can comprise first adjustment unit 711 and do not comprise and also can comprise first adjustment unit 711 and second adjustment unit 712 simultaneously by second adjustment unit 712.
This network node 200 can also comprise dispensing unit, is used for the measurement event of configurating terminal, and the configuration of measurement event is sent to terminal, makes that terminal can be according to the configuration reporting measurement reports of described measurement event.Wherein Pei Zhi measurement event can comprise: R1=R2; R1=R2＞Thre_R; R1=R2＜Thre_R.
Dispensing unit can report empty measurement report by configurating terminal when satisfying measurement event, also can report the measurement report that comprises concrete measured value by configurating terminal when satisfying measurement event.
Further, dispensing unit can send occurrence or the relevant information of Thre_R to terminal beyond the measurement event of configuration.
Further, acquiring unit 70 also is used to obtain Thre_R.Acquiring unit 70 can obtain Thre_R by the Thre_R that receives the base station transmission.
Further, dispensing unit also comprises first dispensing unit, be used for configurating terminal reporting measurement reports when R1=R2, this measurement report can comprise concrete measured value (R1 and/or R2), then second adjustment unit 712 specifically is used for receiving this measurement report, and during R1 (and/or R2)＜Thre_R, reduce the transmitting power of present networks node 200; First adjustment unit 711 specifically is used for receiving a plurality of above-mentioned measurement reports, during and minR＞Thre_R, increases the transmitting power of present networks node 200.
Further, dispensing unit also comprises second dispensing unit, be used for configurating terminal reporting measurement reports when R1=R2＞Thre_R, this measurement report can also can comprise concrete measured value for sky, then first adjustment unit 711 specifically is used for increasing the transmitting power of present networks node 200 when receiving a plurality of above-mentioned measurement report.
Further, dispensing unit also comprises the 3rd dispensing unit, be used for configurating terminal reporting measurement reports when R1=R2＜Thre_R, this measurement report can also can comprise concrete measured value for sky, then second adjustment unit 712 specifically is used for reducing the transmitting power of present networks node 200 when receiving this measurement report.
Further, dispensing unit also comprises the 4th dispensing unit, is used for configurating terminal at R1=R2, and reporting measurement reports apart from the base station farthest the time.At this moment, first adjustment unit 711 also is used for increasing the transmitting power of present networks node 200 when acquiring unit 70 gets access to the R1 (and/or R2) of this measurement report＞Thre_R.
Further, dispensing unit also comprises the 5th dispensing unit, is used for configurating terminal at R1=R2＞Thre_R, and reporting measurement reports apart from the base station farthest the time.At this moment, first adjustment unit 711 also is used for increasing the transmitting power of present networks node 200 when acquiring unit 70 gets access to this measurement report.
Further, acquiring unit 70 also is used to obtain location information of terminals.At this moment, first adjustment unit 711 also is used for, R1 in the measurement report that acquiring unit 70 obtains and/or R2 be greater than Thre_R, and the location information of terminals obtained of acquiring unit 70 shows when terminal is positioned at apart from farthest position, base station, increases the transmitting power of present networks node 200.
Further, acquiring unit 70 also is used to obtain location information of terminals, and dispensing unit also comprises second dispensing unit, be used for configurating terminal reporting measurement reports when R1=R2＞Thre_R, then first adjustment unit 711 also is used for having obtained this measurement report at acquiring unit 70, and the terminal positional information that obtains shows when terminal is positioned at apart from farthest position, base station, increases the transmitting power of present networks node 200.
Further, acquiring unit 70 also is used to obtain location information of terminals, and dispensing unit also comprises the 4th dispensing unit, be used for configurating terminal at R1=R2, and reporting measurement reports in the time of apart from the base station farthest, when then first adjustment unit 711 also is used for the measurement report R1 that obtains at acquiring unit 70 and/or R2 greater than Thre_R, increase the transmitting power of present networks node 200; Second adjustment unit 712 also is used at R1 and/or R2 reducing the transmitting power of present networks node 200 during less than Thre_R.
The network node that provides by present embodiment, can be by judgement to measurement report, when the network node coverage is not enough to satisfy the demand of Cell Edge User, perhaps when influencing other network nodes, by adjusting the transmitting power of network node, adjust the coverage of network node, make the interior edge customer of base station range can accept the adjustment of network node such as relay station, well satisfy the demand of base station edge customer, and do not influenced other the network equipment.Simultaneously, this network node is automatically for the adjustment of present networks node coverage, does not need artificial participation, has saved human cost, has also guaranteed the promptness of adjusting.
Apparatus embodiments two,
A kind of base station 300, the structural representation of this base station as shown in Figure 8, wherein:
Acquiring unit 80 is used to obtain the measurement report of terminal to report.
Wherein acquiring unit 80 is used for obtaining measurement report by the measurement report that direct receiving terminal reports.
This measurement report can be reported for sky, also can comprise occurrence or the relevant information of R.
Further, notification unit 81 also comprises first notification unit 811, and the minR that is used for a plurality of measurement reports of obtaining at acquiring unit 80 is during greater than Thre_R, and the informing network node increases transmitting power.
In the present embodiment, this base station can also comprise second notification unit 812 and the dispensing unit, can be respectively with reference to apparatus embodiments with in second adjustment unit 712 and the dispensing unit.The structure of base station can be with reference to the structure of network node in the apparatus embodiments one in the present embodiment, different first notification units 811 that are with network node are not used in the transmitting power of this base station of direct increase, and are used for the transmitting power that the informing network node increases this network node; Second notification unit 812 is not used in the transmitting power that directly reduces this base station, and is used for the transmitting power that the informing network node reduces this network node.
The base station that provides by present embodiment, can be by judgement to measurement report, when the network node coverage is not enough to satisfy the demand of Cell Edge User, perhaps when influencing other network nodes, by adjusting the transmitting power of network node, adjust the coverage of network node, make the interior edge customer of base station range can accept the adjustment of network node such as relay station, well satisfy the demand of base station edge customer, and do not influenced other the network equipment.Simultaneously, this base station is automatically for the adjustment of network node coverage, does not need artificial participation, has saved human cost, has also guaranteed the promptness of adjusting.
Apparatus embodiments three,
A kind of terminal 100, structural representation comprises as shown in Figure 9:
Acquiring unit 900 is used to obtain the measurement event of the terminal of network side configuration.
Report unit 901, be used for the configuration of the measurement event obtained according to acquiring unit 900, when measurement result satisfied measurement event, to the network side reporting measurement reports, this measurement report was used for the transmitting power that network side is adjusted network node.Concrete measured value can be comprised in the measurement report that wherein reports, also the measurement report of a sky can be.
Acquiring unit 900 further also is used to obtain this location information of terminals.
Report unit 901 further also to be used for the configuration and the positional information of the measurement event obtained according to acquiring unit, when satisfying measurement event, reporting measurement reports.
Concrete, the terminal that acquiring unit 900 for example can obtain the network side configuration to the network side reporting measurement reports, and comprises the value of R1 in the measurement report when R1=R2.Then report unit 901 when measuring R1=R2 to the network side reporting measurement reports, and comprise the value of R1 in the measurement report.
The measurement event that concrete measurement event disposes in can reference method embodiment.
Terminal can be according to the measurement event of configuration in the present embodiment, when satisfying R1=R2 at least to the network side reporting measurement reports, be used for network side and adjust the transmitting power of network node according to measurement report, thereby adjust the coverage of network node, make the interior edge customer of base station range can accept the adjustment of network node, well satisfy the demand of base station edge customer, do not influenced other the network equipment.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises the steps: when carrying out
Obtain the measurement report of terminal to report;
According to the relation of the signal quality at signal quality of indicating in this measurement report and base station range edge, adjust the transmitting power of network node.
This program can also comprise the steps: when carrying out
Obtain the measurement report of terminal to report;
According to the relation of the signal quality at signal quality of indicating in this measurement report and base station range edge, the informing network node is adjusted transmitting power.
This program can also comprise the steps: when carrying out
Obtain the configuration of measurement event;
According to the configuration of the measurement event of obtaining, send measurement report to network side, wherein, measurement report is used for network side is adjusted network node according to this measurement report transmitting power.
Each functional module in each embodiment of the present invention can be integrated in the operational module, also can be that the independent physics of each module exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (21)
1. the method for adjustment of a transmitting power is characterized in that, described method comprises:
Obtain the measurement report of terminal to report;
According to the relation of the signal quality at signal quality of indicating in the described measurement report and base station range edge, adjust the transmitting power of network node.
2. the method for claim 1 is characterized in that, the relation of described signal quality according to signal quality of indicating in the measurement report and base station range edge is adjusted the transmitting power of network node, comprising:
When the poorest signal quality is better than the signal quality at described base station range edge in the signal quality of indicating in the described measurement report, increase the transmitting power of network node; And/or
When the signal quality of indicating in the described measurement report is inferior to the signal quality at described base station range edge, reduce the transmitting power of network node.
3. method as claimed in claim 2 is characterized in that, before the described measurement report that obtains terminal to report, described method further comprises:
Dispose the measurement event of described terminal and the configuration of described measurement event is sent to described terminal, the configuration of wherein said measurement event comprises one of the following or its combination in any:
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or differs one when setovering, reports the measurement report that comprises concrete measured value to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or when differing a biasing and being better than the signal of base station quality of terminal reception at base station range edge, reports the measurement report that comprises concrete measured value or reports the measurement report of sky to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or when differing a biasing and being inferior to the signal of base station quality of terminal reception at base station range edge, reports the measurement report that comprises concrete measured value or reports the measurement report of sky to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or differs one to setover and terminal when being positioned at apart from farthest position, base station, reports the measurement report that comprises concrete measured value to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or differs a biasing and be better than the signal of base station quality of terminal reception at base station range edge and terminal when being positioned at apart from farthest position, base station, reports the measurement report that comprises concrete measured value or reports the measurement report of sky to network side.
4. method as claimed in claim 3 is characterized in that,
The signal quality of indicating in the described measurement report comprises:
When described measurement report is the measurement report of sky, if the configuration of described measurement event comprises the signal of base station quality of reception and is better than the signal quality at base station range edge that the signal quality of indicating in the then described measurement report is better than the signal quality at described base station range edge;
When described measurement report is the measurement report of sky, if the configuration of described measurement event comprises the signal of base station quality of reception and is inferior to the signal quality at base station range edge that the signal quality of indicating in the then described measurement report is inferior to the signal quality at described base station range edge;
When comprising concrete measured value in described measurement report, the signal quality of indicating in the described measurement report is the signal quality of described concrete measured value representative.
5. as each described method in the claim 1 to 4, it is characterized in that the method for expressing of described signal quality comprises: RSRP represents with the reference symbol received power; Perhaps represent with signal to noise ratio snr; Perhaps represent with Signal to Interference plus Noise Ratio SINR.
6. as each described method in the claim 1 to 4, it is characterized in that the described measurement report that obtains terminal to report comprises:
Directly obtain the measurement report that terminal sends; Perhaps
Obtain the measurement report that transmit the base station.
7. the method for adjustment of a transmitting power is characterized in that, described method comprises:
Obtain the measurement report of terminal to report;
According to the relation of the signal quality at signal quality of indicating in the described measurement report and base station range edge, the informing network node is adjusted transmitting power.
8. method as claimed in claim 7 is characterized in that, the relation of described signal quality according to signal quality of indicating in the measurement report and base station range edge, and the informing network node is adjusted transmitting power, comprising:
When the poorest signal quality was better than the signal quality at described base station range edge in the signal quality of indicating in the described measurement report, the informing network node increased transmitting power; And/or
When the signal quality of indicating in the described measurement report was inferior to the signal quality at described base station range edge, the informing network node reduced transmitting power.
9. as claim 7 or 8 described methods, it is characterized in that before the described measurement report that obtains terminal to report, described method further comprises:
Dispose the measurement event of described terminal and the configuration of described measurement event is sent to described terminal, the configuration of wherein said measurement event comprises one of the following or its combination in any:
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or differs one when setovering, reports the measurement report that comprises concrete measured value to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or when differing a biasing and being better than the signal of base station quality of terminal reception at base station range edge, reports the measurement report that comprises concrete measured value or reports the measurement report of sky to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or when differing a biasing and being inferior to the signal of base station quality of terminal reception at base station range edge, reports the measurement report that comprises concrete measured value or reports the measurement report of sky to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or differs one to setover and terminal when being positioned at apart from farthest position, base station, reports the measurement report that comprises concrete measured value to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or differs a biasing and be better than the signal of base station quality of terminal reception at base station range edge and terminal when being positioned at apart from farthest position, base station, reports the measurement report that comprises concrete measured value or reports the measurement report of sky to network side.
10. the method for adjustment of a transmitting power is characterized in that, described method comprises:
Obtain the configuration of measurement event;
According to the configuration of the described measurement event of obtaining, send measurement report to network side, wherein, described measurement report is used for network side is adjusted network node according to described measurement report transmitting power.
11. the method for adjustment of transmitting power as claimed in claim 10 is characterized in that, the configuration of described measurement event comprises one of the following or its combination in any:
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or differs one when setovering, reports the measurement report that comprises concrete measured value to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or when differing a biasing and being better than the signal of base station quality of terminal reception at base station range edge, reports the measurement report that comprises concrete measured value or reports the measurement report of sky to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or when differing a biasing and being inferior to the signal of base station quality of terminal reception at base station range edge, reports the measurement report that comprises concrete measured value or reports the measurement report of sky to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or differs one to setover and terminal when being positioned at apart from farthest position, base station, reports the measurement report that comprises concrete measured value to network side;
The signal of base station quality that receives in terminal equates with the signal quality of the network node of reception or differs a biasing and be better than the signal of base station quality of terminal reception at base station range edge and terminal when being positioned at apart from farthest position, base station, reports the measurement report that comprises concrete measured value or reports the measurement report of sky to network side.
12. a network node is characterized in that, described network node comprises:
Acquiring unit is used to obtain the measurement report of terminal to report;
Adjustment unit is used for the relation of the signal quality at the signal quality of indicating according to the measurement report that described acquiring unit obtains and base station range edge, adjusts the transmitting power of present networks node.
13. network node as claimed in claim 12 is characterized in that, described adjustment unit further comprises:
First adjustment unit is used for signal quality the poorest in the signal quality that the measurement report that described acquiring unit obtains is indicated owing to during the signal quality at described base station range edge, increase the transmitting power of present networks node; And/or
Second adjustment unit is used for reducing the transmitting power of present networks node when the signal quality that the measurement report that described acquiring unit obtains is indicated is inferior to the signal quality at described base station range edge.
14. as claim 12 or 13 described network nodes, it is characterized in that described network node further comprises: dispensing unit is used for the measurement event of configurating terminal, wherein, described measurement event is used to make the configuration reporting measurement reports of terminal according to described measurement event.
15. network node as claimed in claim 14 is characterized in that, described dispensing unit further comprises one of following unit or its combination in any:
First dispensing unit is used for configurating terminal and equates with the signal quality of the network node of reception or during approximately equal, report the measurement report that comprises concrete measured value to network side in the signal of base station quality that receives;
Second dispensing unit, be used for configurating terminal and equate with the signal quality of the network node of reception or approximately equal and when being better than the signal of base station quality of terminal reception at base station range edge, report the measurement report that comprises concrete measured value or report the measurement report of sky to network side in the signal of base station quality that receives;
The 3rd dispensing unit, be used for configurating terminal and equate with the signal quality of the network node of reception or approximately equal and when being inferior to the signal of base station quality of terminal reception at base station range edge, report the measurement report that comprises concrete measured value or report the measurement report of sky to network side in the signal of base station quality that receives;
The 4th dispensing unit is used for configurating terminal and equates with the signal quality of the network node of reception or approximately equal and terminal when being positioned at apart from farthest position, base station in the signal of base station quality that receives, and reports the measurement report that comprises concrete measured value to network side;
The 5th dispensing unit, be used for configurating terminal and equate with the signal quality of the network node of reception or approximately equal and be better than the signal of base station quality of terminal reception at base station range edge and terminal when being positioned at, report the measurement report that comprises concrete measured value or report the measurement report of sky to network side apart from farthest position, base station in the signal of base station quality that receives.
16. a base station is characterized in that, described base station comprises:
Acquiring unit is used to obtain the measurement report of terminal to report;
Notification unit is used for the relation of the signal quality at the signal quality of indicating according to the measurement report that described acquiring unit obtains and base station range edge, and the informing network node is adjusted transmitting power.
17. base station as claimed in claim 16 is characterized in that, described notification unit further comprises:
First notification unit is used for signal quality the poorest in the signal quality that the measurement report that described acquiring unit obtains is indicated because during the signal quality at described base station range edge, the informing network node increases transmitting power; And/or
Second notification unit is used for when the signal quality that the measurement report that described acquiring unit obtains is indicated is inferior to the signal quality at described base station range edge, and the informing network node reduces transmitting power.
18., it is characterized in that described base station further comprises dispensing unit as claim 16 or 17 described base stations, be used for the measurement event of configurating terminal, wherein, described measurement event is used to make the reporting measurement reports of terminal according to described measurement event.
19. a terminal is characterized in that, described terminal comprises:
Acquiring unit is used to obtain the measurement event of the terminal of network side configuration;
Report the unit, be used for the configuration of the measurement event obtained according to described acquiring unit, when measurement event was satisfied, to the network side reporting measurement reports, wherein said measurement report was used for the transmitting power that network side is adjusted network node.
20. the Adjustment System of a transmitting power is characterized in that, described system comprises:
Network node is used to obtain the measurement report that terminal reports according to the measurement event of base station configuration, and according to the relation of the signal quality at signal quality of indicating in the described measurement report and base station range edge, adjusts the transmitting power of present networks node.
21. the Adjustment System of a transmitting power is characterized in that, described system comprises:
The base station is used for the allocating and measuring incident; Obtain the measurement report that terminal reports according to the configuration of described measurement event; According to the relation of the signal quality at signal quality of indicating in the described measurement report and base station range edge, the informing network node is adjusted transmitting power.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910105936.XA CN101827386B (en) | 2009-03-04 | 2009-03-04 | Method, system and related device for adjusting transmitting power |
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| CN200910105936.XA CN101827386B (en) | 2009-03-04 | 2009-03-04 | Method, system and related device for adjusting transmitting power |
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| CN101827386A true CN101827386A (en) | 2010-09-08 |
| CN101827386B CN101827386B (en) | 2015-07-08 |
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