CN100562172C - The method that a kind of channel resource is reshuffled - Google Patents
The method that a kind of channel resource is reshuffled Download PDFInfo
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- CN100562172C CN100562172C CNB2006100992110A CN200610099211A CN100562172C CN 100562172 C CN100562172 C CN 100562172C CN B2006100992110 A CNB2006100992110 A CN B2006100992110A CN 200610099211 A CN200610099211 A CN 200610099211A CN 100562172 C CN100562172 C CN 100562172C
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000005192 partition Methods 0.000 claims description 6
- 238000012797 qualification Methods 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 2
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- 238000013468 resource allocation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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- 230000002452 interceptive effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses the method that a kind of channel resource is reshuffled, set in advance the AOA report condition of current UE in this method, and comprise: the AOA of the current UE that satisfies report condition that the base station will measure, report net control device, net control device is that current UE is carried out channel resource and reshuffled according to the AOA that receives.Use this method can effectively improve the follow-up control of net control device, and reduce the unnecessary number of times that reports, reduce the operand of net control device UE.
Description
Technical field
The present invention relates to a kind of method of channel resource allocation, relate in particular to the method that a kind of channel resource is reshuffled.
Background technology
Along with developing rapidly of wireless mobile telecommunication technology, smart antenna utilizes mobile subscriber's signal and deletion fully efficiently or suppresses interference signal, thereby be applied to mobile communication system more and more widely owing to can utilize Digital Signal Processing.
Mobile communication system generally comprises subscriber equipment (UE, User Equipment), base station and net control device.In the mobile communication system of existing use smart antenna, the arrival angle of this signal can also be measured in the base station when receiving the upward signal of UE transmission by smart antenna, and promptly ripple reaches angle (AOA, Angle of Arrival).In the channel reconfiguration course, the base station reports net control device with the AOA signal period that records, the AOA of the upward signal that net control device reports according to the base station, can know the positional information of UE, thereby can be the suitable channel resource of terminal distribution, the UE that can think close beam direction distributes the resource of different time-gap, different frequency, thereby can reduce the interference between the user, improves the quality and the success rate for switching of customer call.
Wherein, the net control device in the 3G mobile communication system is radio network controller (RNC, Radio Network Control); Net control device in the 2G mobile communication system is base station controller (BSC, Base Station Control).
Be example now, above-mentioned channel resource reconfiguration course is described in detail with TD SDMA (TD-SCDMA) mobile communication system that adopts 3G standard.As shown in Figure 1, Fig. 1 carries out the flow chart that channel is reshuffled in the prior art, and this flow process comprises the steps:
In this step, RNC is by the AOA special measurement control content of configuration Iub interface, and which kind of mode indication adopts AOA is reported to the base station.Except when UE locatees, being provided with the base station reports immediately to AOA, the base station being set generally speaking AOA is carried out periodicity reporting in the existing method.
As seen, in the prior art, the base station to AOA what report employing is periodically to report, long in this report method if the cycle is provided with, when the UE fast moving, will certainly cause the mobile tracking scarce capacity of RNC to UE, it is inaccurate that channel resource is reshuffled algorithm; If the cycle is provided with too short, then, can cause RNC to handle mass data in a short time because RNC supports the resource management function of a large amount of UE, increase the burden of RNC.
Summary of the invention
In view of this, the invention provides the method that a kind of channel resource is reshuffled, this method can effectively improve the follow-up control to UE, and reduces the unnecessary number of times that reports, and reduces operand.
The method that channel resource provided by the present invention is reshuffled is achieved by following technical solution:
The method that a kind of channel resource is reshuffled, in this method, two of angle of arrival AOA that set in advance current user equipment UE report the triggering thresholding: first thresholding and second thresholding, first thresholding are greater than second thresholding, and this method comprises the steps:
A, the base station AOA by measuring current UE reports net control device with this AOA outside the interval range that two thresholdings constitute the time, and net control device is that current UE is carried out channel resource and reshuffled according to the AOA that receives.
Preferably, set in advance the maximum that continues to surpass the thresholding time, described this AOA is reported before the net control device, also comprise: the time of described AOA outside the interval range that described two thresholdings constitute reaches the maximum that continues to surpass the thresholding time that sets in advance.
Wherein, net control device described in the steps A is that current UE is carried out the channel resource reprovision and is changed to according to the AOA that receives:
Net control device is divided at least one subregion with the microzonation that the base station covers, different frequency and the time interval resources of UE qualification for different subregions, when carrying out resource reconfiguration for current UE, the AOA that reports according to the base station determines the residing subregion of current UE, distributes running time-frequency resource according to subregion of living in for this UE.
Preferably, net control device described in the steps A is that current UE is carried out before channel resource reshuffles according to the AOA that receives, further comprise: net control device judges whether available channel resources is enough, if enough, then carry out channel resource for current UE and reshuffles; If not enough, then return execution in step A.
Wherein, described subregion is represented with the interval that two border angles constitute.Two of the then described AOA that sets in advance current UE report trigger gate to be limited to:
Determine the subregion of current UE sub-district of living in, be provided with two and report and trigger thresholding two border angle values with this partition angles scope are corresponding respectively that wherein, first thresholding is corresponding to big border angle value, second thresholding is corresponding to little border angle value.
In the said method, described net control device is: radio network controller (RNC).
This shows that method provided by the present invention is by being configured AOA special measurement control content, and set in advance AOA and report trigger condition, when reaching trigger condition, just report, report number of times, reduce the amount of calculation of net control device thereby can effectively reduce; And just report when reaching trigger condition, can effectively improve the ability that net control device is followed the tracks of UE, when UE rapid when mobile, net control device perception in time, and this UE carried out resource reconfiguration.
In addition, owing to be provided with the maximum that needs to continue to surpass the thresholding time, thus can effectively reduce false alarm probability, and further reduce the operand of net control device.
At last, because the microzonation that the base station is covered is divided at least one zone, and be different frequency of each area limiting and time interval resource, thereby make net control device after obtaining AOA, can be according to the residing zone of UE, distinguishing allocation of channel resources may improves efficiency of resources distribution, and effectively reduces the interference of minizone.
Description of drawings
Fig. 1 is the exemplary process diagram of the method that channel resource is reshuffled in the prior art.
Fig. 2 is the exemplary process diagram of the method that channel resource is reshuffled in the embodiment of the invention.
Fig. 3 carries out the schematic diagram of subregion for the several sub-districts that in embodiment illustrated in fig. 2 the base station covered.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in more detail.
Basic thought of the present invention is: report the triggering thresholding by the special measurement control content is provided with two, the base station reports according to the AOA information that the thresholding that is provided with will be in outside the interval range that described thresholding constitutes, thereby can effectively reduce the amount of calculation of net control device, improve follow-up control UE.Further, be divided at least one zone, be each area limiting different frequency and time interval resource, thereby net control device can be this UE allocation of channel resources may according to the residing zone of UE by the microzonation that the base station is covered.
Be example with the TD-SCDMA mobile communication system that adopts 3G standard still below, the method that channel resource among the present invention is reshuffled is described in detail in conjunction with the embodiments.
Embodiment:
Referring to Fig. 2, Fig. 2 is the exemplary process diagram of the method that channel resource is reshuffled in the embodiment of the invention.This flow process comprises the steps:
In this step, described EVENT_A and EVENT_B act as: if the angle value of the AOA of current UE is greater than the EVENT_A that sets, perhaps the angle value of the AOA of current UE is less than the EVENT_B that sets, be that the AOA angle value of current UE is in outside the interval range that two thresholdings constitute, then trigger the base station AOA of current UE is reported.
In this step, the base station is by measuring the AOA of current UE, and AOA and two thresholding EVENT_A and EVENT_B compared respectively, if the AOA angle value of current UE is in outside the interval range that described thresholding constitutes, then the base station reports RNC with the AOA information that records.
Wherein, report in order to reduce unnecessary the repeating that causes owing to the UE state labile, promptly in order to reduce false alarm probability, can set in advance a maximum of T that continues to surpass the thresholding time, when the AOA angle value that records is in after time outside the interval range that two thresholdings constitute reaches the maximum of T of above-mentioned setting, then the base station reports this AOA information.
In this step, RNC be the UE method that reconfigures new channel resource except can use conventional methods distribute, can also adopt following method to be configured:
At first, RNC divides different radially coverages to the sub-district that each base station covers, and is about to the zone that microzonation is divided into several different angles scopes, and for being in the different frequency and the time interval resources of terminal qualification of different range, i.e. time-frequency resource.As shown in Figure 3, Fig. 3 is to the subregional schematic diagram of microzonation, each subregion is represented with the interval that two border angles constitute, the angular range of supposing subregion 1 is (A1, A2), and be the certain radio channel resource of each zone configuration, promptly limiting corresponding frequency (Freq) and time slot (slot), the preferential use of the UE in each subregion is the resource of this zone configuration.The institutional framework of the partition table that RNC safeguards is as shown in Table 1:
| Subregion sign | Explanation |
| CELL ID | The sub-district indicates |
| Number of partitions | Be how many subregions of this cell configuration |
| { | It below is information unit with the number of partitions equal number |
| A1 | Angle border 1 |
| A2 | Angle border 2.Subregion is positioned at＜A1, A2〉between. |
| Frquency Count | The frequency number that this subregion uses |
| { | |
| Frquency 1 | Frequency 1 |
| Slot Info | Operable gap information under this frequency |
| } | |
| } |
Table one
Suppose sub-district 1 is divided into n subregion, the angular range of subregion 1 be (A1, A2), the frequency number is n1, wherein, can use time interval resource 1-1 under the frequency 1-1 ..., can use time interval resource 1-n1 under the frequency 1-n1; The angular range of subregion 2 be (A2, A3), the frequency number is n2, wherein, can use time interval resource 2-1 under the frequency 2-1 ..., can use time interval resource 2-n2 under the frequency 2-n2; The rest may be inferred, the angular range of subregion n be (An, An+1), the frequency number is nn, wherein, can use time interval resource n-1 under the frequency n-1 ..., can use time interval resource n-nn under the frequency n-nn.In like manner, the area dividing of other sub-district and taxonomic structure and above-mentioned situation are similar.Detailed textural classification can be with reference to table two:
Table two
Wherein, the content in the list item is calculated according to situations such as interfering with each other of the service conditions of UE and actual environment in the network planning and when optimizing and is got.
Then, RNC can obtain the subregion scope under this UE according to the AOA of the current UE of receiving when current UE is reconfigured resource, carry out resource allocation targetedly for this UE afterwards, avoids the co-channel interference of minizone.
In addition, by safeguarding the partition table of this sub-district, can also for being provided with the AOA that need allocate, this UE report triggering thresholding EVENT_A and EVENT_B according to the regional extent of the residing subregion of each UE in step 202.As be in UE in the subregion 1 of sub-district 1, and when it is determined to trigger thresholding EVENT_A and EVENT_B, two thresholdings can be corresponded respectively to this regional border angle A2 and A1, suppose that A2 is greater than A1.When the UE moving range is crossed over two partitioned areas, trigger channel resource and reshuffle.
So far, the flow performing of present embodiment finishes.
The foregoing description is that example has been carried out a kind of displaying to thought of the present invention with the TD-SCDMA mobile communication system of 3G standard just, is not to be used for limiting protection scope of the present invention.Be appreciated that the thought among the present invention can be used for other communication system equally.Therefore, within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1, a kind of channel resource method of reshuffling is characterized in that, two of angle of arrival AOA that set in advance current user equipment UE report the triggering thresholding: first thresholding and second thresholding, first thresholding are greater than second thresholding, and this method comprises the steps:
A, the base station AOA by measuring current UE reports net control device with this AOA outside the interval range that two thresholdings constitute the time, and net control device is that current UE is carried out channel resource and reshuffled according to the AOA that receives.
2, the method for claim 1, it is characterized in that, set in advance the maximum that continues to surpass the thresholding time, described this AOA is reported before the net control device, also comprise: the time of described AOA outside the interval range that described two thresholdings constitute reaches the maximum that continues to surpass the thresholding time that sets in advance.
3, the method for claim 1 is characterized in that, net control device described in the steps A is that current UE is carried out the channel resource reprovision and is changed to according to the AOA that receives:
Net control device is divided at least one subregion with the microzonation that the base station covers, different frequency and the time interval resources of UE qualification for different subregions, when carrying out resource reconfiguration for current UE, the AOA that reports according to the base station determines the residing subregion of current UE, distributes running time-frequency resource according to subregion of living in for this UE.
4, method as claimed in claim 3, it is characterized in that, net control device described in the steps A is that current UE is carried out before channel resource reshuffles according to the AOA that receives, further comprise: net control device judges whether available channel resources is enough, if enough, then carry out channel resource and reshuffle for current UE; If not enough, then return execution in step A.
5, method as claimed in claim 3 is characterized in that, described subregion is represented with the interval that two border angles constitute.
6, method as claimed in claim 5 is characterized in that, two of the described AOA that sets in advance current UE report trigger gate to be limited to:
Determine the subregion of current UE sub-district of living in, be provided with two and report and trigger thresholding two border angle values with this partition angles scope are corresponding respectively that wherein, first thresholding is corresponding to big border angle value, second thresholding is corresponding to little border angle value.
7, method as claimed in claim 3 is characterized in that, described net control device is: radio network controller (RNC).
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| CNB2006100992110A CN100562172C (en) | 2006-07-21 | 2006-07-21 | The method that a kind of channel resource is reshuffled |
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| CN100562172C true CN100562172C (en) | 2009-11-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102006618A (en) * | 2009-09-03 | 2011-04-06 | 普天信息技术研究院有限公司 | Method for reporting common measurement event |
| CN105813108B (en) | 2010-03-29 | 2019-11-01 | Lg电子株式会社 | Method and apparatus for the measurement to the Inter-Cell Interference Coordination in radio communications system |
| CN102256259A (en) * | 2010-05-19 | 2011-11-23 | 鼎桥通信技术有限公司 | Method and device for distributing HSPA (High Speed Packet Access) access dynamic channel based on single cell |
| CN106888470B (en) * | 2015-12-16 | 2020-02-18 | 润建股份有限公司 | Method and device for performing channel measurement by wireless network |
| CN111614375B (en) * | 2020-04-17 | 2022-06-17 | 深圳市联诚发科技股份有限公司 | Data transmission method, data transmission device, terminal and storage medium |
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