CN103987080A - Edge user determining method and base station equipment - Google Patents
Edge user determining method and base station equipment Download PDFInfo
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- CN103987080A CN103987080A CN201410232408.1A CN201410232408A CN103987080A CN 103987080 A CN103987080 A CN 103987080A CN 201410232408 A CN201410232408 A CN 201410232408A CN 103987080 A CN103987080 A CN 103987080A
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Abstract
The embodiment of the invention provides an edge user determining method and base station equipment. The method includes the steps that a base station issues first measurement information to UE which newly gets access to a service cell to which the UE belongs, the first measurement information is used for instructing the UE to report the first measurement result according to a preset first reporting rule when the UE measures that the RSRP value of the cell to which the UE belongs meets the first preset condition; if the first measurement result reported by the UE is received, the UE is determined as an edge user. The base station issues measurement information to the UE which newly and successfully gets access to the service cell to which the UE belongs, the measurement information requires that the UE should only measure the RSRP value of the cell to which the UE belongs, and the measurement result is reported to the base station when the obtained RSRP value meets a certain condition, so that the base station can determine whether the UE is an edge user or not according to the measurement result. In the whole determining process, the UE only needs to measure the RSRP value of the cell without the need for measuring the RSRP value of a neighboring cell, and thus operation is easy to perform.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of definite method and base station equipment of edge customer.
Background technology
Long evolving system (Long Term Evolution, LTE) using the performance of improving Cell Edge User as one of main target, and for how improving Cell Edge User equipment (User Equipment, UE) performance, a lot of solutions have been proposed, Inter-Cell Interference Coordination (Inter-Cell Interference Coordination wherein, ICIC) technology, exactly for reducing the co-channel interference between neighbor cell, thereby the throughput of raising edge customer and user satisfaction.
The ICIC mode of LTE system support has multiple, but, no matter adopt any ICIC mode, for network side, conventionally will first determine in community, which UE is edge customer, which UE is central user, afterwards, could adopt different resource allocation policies according to the edge customer of determining and central user, and then reach the object of ICIC.Hence one can see that, and how to confirm edge customer and central user are to realize a basic premise of ICIC effect.
At present, conventionally adopt following several mode to determine edge customer:
First kind of way, the signal that base station receives according to UE, calculates the Signal to Interference plus Noise Ratio of all UE in the community of self controlling; Then, according to the Signal to Interference plus Noise Ratio thresholding calculating, determine the edge customer in community.
Particularly, in above-mentioned first kind of way, the formula of Signal to Interference plus Noise Ratio is:
wherein, H
lfor the channel gain matrix of Serving cell to UEl, w
lthe pre-coding matrix of Serving cell, P
lfor the transmitted power of Serving cell, H
kfor the channel gain matrix of community k to UEl, w
kfor the pre-coding matrix of community k, P
kfor the transmitted power of community k, N is noise power, || || represent function wherein to get norm, like this, work as SINR
l< SINR
thresholdtime, determine that UEl is edge customer.
The second way, the path loss P1 of arbitrary community that base station calculating is controlled self to its arbitrary UE, and calculate the community nearest apart from this arbitrary community and arrive the path loss P2 to this arbitrary UE; Then, the latter and the former path loss difference and predetermined threshold value are compared, if compare path loss difference, be less than predetermined threshold value, determine that this UE is edge customer.
From above-mentioned two kinds of definite modes, can find out, no matter which kind of adopts determine mode, not only will know the relevant parameter of UE affiliated subdistrict, also will know the parameter of the community adjacent with UE affiliated subdistrict, could finally determine edge customer, operate comparatively complicated.
Summary of the invention
The embodiment of the present invention provides a kind of definite method and base station equipment of edge customer, in order to solve definite mode of existing edge customer comparatively complicated problem that operates.
Based on the problems referred to above, definite method of a kind of edge customer that the embodiment of the present invention provides, comprising:
Base station issues the first metrical information to the UE of Serving cell under new access self, described the first metrical information is used to indicate described UE and is measuring Reference Signal Received Power (the Reference Signal Receiving Power of self affiliated subdistrict, RSRP) value meets first when pre-conditioned, according to default first, reports rule to report the first measurement result to described base station;
If receive the first measurement result that described UE reports, determine that described UE is edge customer.
Preferably, the method also comprises:
Described base station is after determining described UE and being edge customer, adding described UE to edge customer concentrates, and when monitoring the described edge customer concentrated UE of default scheduling of resource in the cycle and change, the UE included to described edge customer collection carries out scheduling of resource.
Preferably, the method also comprises:
Add described UE after edge customer collection to described base station, to described UE, issue the second metrical information, described the second metrical information is used to indicate described UE and meets second when pre-conditioned in the RSRP value that measures self affiliated subdistrict, according to default second, reports rule to report the second measurement result to described base station;
If receive the second measurement result that described UE reports, determine user centered by described UE, and described UE is concentrated and removed from described edge customer.
Preferably, the method also comprises:
The step that issues described the first metrical information to described UE, determining centered by described UE after user, is returned in described base station.
Preferably, described the first pre-conditioned RSRP value that measures self affiliated subdistrict for described UE is less than predetermined threshold value;
Described the second pre-conditioned RSRP value that measures self affiliated subdistrict for described UE is greater than described predetermined threshold value;
Described first reports rule to report according to the first setting cycle for described UE, and stops reporting when reporting number of times to reach the first set point number;
Described second reports rule to report according to the second setting cycle for described UE, and stops reporting when reporting number of times to reach the second set point number.
A kind of base station equipment that the embodiment of the present invention provides, comprising:
Issue module, UE for Serving cell under the described base station equipment of new access issues the first metrical information, described the first metrical information is used to indicate described UE and meets first when pre-conditioned in the RSRP value that measures self affiliated subdistrict, according to default first, reports rule to report the first measurement result to described base station;
Determination module, for when receiving the first measurement result that described UE reports, determines that described UE is edge customer.
Preferably, described base station equipment also comprises:
Add scheduler module, for after described determination module determines that described UE is edge customer, adding described UE to edge customer concentrates, and when monitoring the described edge customer concentrated UE of default scheduling of resource in the cycle and change, the UE included to described edge customer collection carries out scheduling of resource.
Preferably, the described module that issues, also for described UE being added to after edge customer collection in described interpolation scheduler module, to described UE, issue the second metrical information, described the second metrical information is used to indicate described UE and meets second when pre-conditioned in the RSRP value that measures self affiliated subdistrict, according to default second, reports rule to report the second measurement result to described base station;
Described determination module, also for when receiving the second measurement result that described UE reports, determines user centered by described UE, and described UE is concentrated and removed from described edge customer.
Preferably, described determination module, also, for determining centered by described UE after user, issues module and carries out the step that issues the first metrical information described in returning.
Preferably, described in issue that the first metrical information that module issues indicates that described UE measures satisfied first pre-conditioned of the RSRP value of self affiliated subdistrict, the RSRP value that measures self affiliated subdistrict for described UE is less than predetermined threshold value;
Satisfied second pre-conditioned of the RSRP value of described self affiliated subdistrict that issues that the second metrical information that module issues indicates that described UE measures, the RSRP value that measures self affiliated subdistrict for described UE is greater than described predetermined threshold value;
Described issue the first metrical information that module issues indicate described UE the RSRP value that measures self affiliated subdistrict meet described first when pre-conditioned according to first report rule, for described UE reports according to the first setting cycle, and stop reporting when reporting number of times to reach the first set point number;
Described issue the second metrical information that module issues indicate described UE the RSRP value that measures self affiliated subdistrict meet described second when pre-conditioned according to second report rule, for described UE reports according to the second setting cycle, and stop reporting when reporting number of times to reach the second set point number.
The beneficial effect of the embodiment of the present invention comprises:
Definite method and the base station equipment of a kind of edge customer that the embodiment of the present invention provides, the method comprises: base station issues the first metrical information to the UE of Serving cell under new access self, this first metrical information is used to indicate UE and meets first when pre-conditioned in the RSRP value that measures self affiliated subdistrict, according to default first, reports rule to base station, to report the first measurement result; If receive the first measurement result that UE reports, determine that UE is edge customer.In embodiments of the present invention, base station is by the UE sending measuring information to newly successfully accessing Serving cell under self, this metrical information requires UE only to measure the RSRP value of self affiliated subdistrict, and when the RSRP value obtaining meets certain condition to base station reporting measurement result, so that base station determines that according to this measurement result UE is edge customer, whole deterministic process only needs UE to measure the RSRP value of this community, and the RSRP value without measuring adjacent cell, operates comparatively simple.
Accompanying drawing explanation
Definite method flow diagram of the edge customer that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the base station equipment that Fig. 2 provides for the embodiment of the present invention.
Embodiment
In LTE system, definite mode of existing edge customer, needs the parameter of collection more, operates comparatively complicated.For this problem, the embodiment of the present invention provides a kind of definite method and base station equipment of edge customer, only need base station to pass through to the UE sending measuring information of Serving cell under new access self, this metrical information requires the RSRP value of UE measurement self affiliated subdistrict, and when the RSRP value of measuring meets certain condition to base station reporting measurement result, be convenient to base station and determine that according to this measurement result UE is edge customer, carry out in time scheduling of resource, whole deterministic process only needs the RSRP value of UE measurement self affiliated subdistrict, without the RSRP value of measuring adjacent cell, operate comparatively simple.
Below in conjunction with Figure of description, definite method of a kind of edge customer that the embodiment of the present invention is provided and the embodiment of base station equipment describe.
Definite method of a kind of edge customer that the embodiment of the present invention provides, as shown in Figure 1, specifically comprises the following steps:
S11: base station issues the first metrical information to the UE of Serving cell under new access self;
Here, above-mentioned the first metrical information is used to indicate UE and meets first when pre-conditioned in the RSRP value that measures self affiliated subdistrict, according to default first, reports rule to base station, to report the first measurement result;
S12: if receive the first measurement result that UE reports, determine that UE is edge customer.
Preferably, in above-mentioned steps S11, base station is newly successfully accessed the UE of Serving cell under self and is all carried out this step any one; The RSRP value that above-mentioned the first pre-conditioned UE of can be measures self affiliated subdistrict is less than predetermined threshold value.Here, why base station indicates UE to measure RSRP value, is mainly because on the one hand, the difficulty that UE measures RSRP value is less; On the other hand, RSRP value is to embody UE to receive one of strong and weak principal element of signal, and the accuracy of the edge customer of determining according to this RSRP value is higher.
In addition, above-mentioned default first reports rule to can be UE reports according to the first setting cycle, and stops reporting when reporting number of times to reach the first set point number.That is to say, UE is less than default threshold value in the situation that measure the RSRP value self receiving, to base station, report immediately the first measurement result (being the current RSRP value measuring of UE), like this, when next the first setting cycle arrives, to base station, report one time again the first measurement result, until report number of times to reach the first set point number, just no longer report, the object of carrying out like this, be mainly for fear of UE when the needs reporting measurement result, because some reason causes reporting the situation of failure, adopting the mode repeatedly report to be convenient to base station, to distinguish exactly UE be edge customer, or central user.
It should be noted that, above-mentioned predetermined threshold value, the first setting cycle and the first set point number all can be set according to the actual conditions of the community of base station administration, can be-90dBm of predetermined threshold value for example, the first setting cycle is 2048ms, the first set point number is 3 times, certainly, this three can also be other values, at this, will not enumerate.
Particularly, in above-mentioned steps S12, for base station, once receive the measurement result that UE reports, just think UE current be, in fringe region in community, to assert that UE is edge customer.
Preferably, in embodiments of the present invention, for the ease of base station, edge user carries out scheduling of resource, following flow process is also carried out in base station: after definite UE is edge customer, adding UE to edge customer concentrates, and when monitoring the edge customer concentrated UE of default scheduling of resource in the cycle and change, edge user collects included UE and carries out scheduling of resource.
It should be noted that, the above-mentioned default scheduling of resource cycle also can be set according to the actual conditions of the community of base station administration, can be identical with above-mentioned the first setting cycle, for example the default scheduling of resource cycle is also 2048ms, certainly, also can be different from above-mentioned the first setting cycle, be set as other numerical value; In above-mentioned flow process, base station of the present invention is actually according to default scheduling of resource cycle edge user collection and monitors, once monitoring the scheduling of resource cycle arrives, and also there is variation in the concentrated UE of edge customer, just think that neighbor cell exists the possibility of disturbing larger, now, need to be by current edge customer collection output, the UE concentrated to current edge customer carries out scheduling of resource, to improve the throughput of LTE system.
For example, the edge customer collection of supposing base station in first scheduling of resource cycle comprises UE1 and UE2, if have a new UE who accesses in the cycle second scheduling of resource, for example UE3 meets above-mentioned condition, be that UE3 determined be edge customer, in this case, UE3 can be added to edge customer concentrates, like this, when second scheduling of resource cycle arrives, current edge customer collection just includes UE1, UE2 and UE3, and variation has occurred current edge customer collection, now, scheduling of resource can be carried out to these three UE in base station.
It should be noted that, only with above-mentioned two scheduling of resource cycles, the scheduling of resource flow process of base station is described, the embodiment of the present invention is not limited in above-mentioned two scheduling of resource cycles of monitoring, follow-uply can also monitor a plurality of scheduling of resource cycles.
Further, for base station, after carrying out above-mentioned steps S12, determining UE current is after edge customer, because UE possesses the characteristic of mobility, may can move to other regions after a while, for example move to central area, therefore, the attribute of edge customer is not unalterable.Based on this, in order to determine exactly that UE is edge customer or central user, following flow process also can be carried out in base station: UE is being added to after edge customer collection, to UE, issue the second metrical information, this second metrical information is used to indicate UE and meets second when pre-conditioned in the RSRP value that measures self affiliated subdistrict, according to default second, reports rule to base station, to report the second measurement result; If the second measurement result that the follow-up UE of receiving reports, is defined as central user by UE, and concentrates and remove from edge customer.
It should be noted that, the RSRP value that above-mentioned the second pre-conditioned UE of can be measures self affiliated subdistrict is greater than predetermined threshold value; Above-mentioned second reports rule to can be UE reports according to the second setting cycle, and stops reporting when reporting number of times to reach the second set point number.Here, the actual conditions of the community that above-mentioned the second setting cycle and above-mentioned the second set point number still can be administered according to base station are set, and above-mentioned the second setting cycle can be identical with the first setting cycle, also can be different; Above-mentioned the second set point number can be identical with the first set point number, also can be different.
Still the edge customer with above-mentioned certain community integrates as example, suppose that UE1 and UE2 also concentrate at edge customer, UE3 has moved to central area, now, through carrying out above-mentioned flow process, determining UE3 is central user, and UE3 is concentrated and removed from edge customer, and at this moment scheduling of resource need be carried out according to UE1 and UE2 in base station.
Further, in order to know in real time UE, be edge customer or central user, to facilitate, carry out scheduling of resource, following flow process also can be carried out in base station: UE is being defined as after central user, return to the step that issues the first metrical information to UE, allow UE remeasure the RSRP value of self affiliated subdistrict, like this, in the RSRP of follow-up measurement value, meet first when pre-conditioned, still can report to base station corresponding measurement result, so that base station determines that UE is edge customer in time, and determining after UE is edge customer, can continue to issue the second metrical information to UE.Visible, definite method of edge customer provided by the invention is circulation process, so exactly a positioning UE.
Based on same inventive concept, the embodiment of the present invention also provides a kind of base station equipment, because the principle that this equipment is dealt with problems is similar to definite method of aforementioned edge customer, so the enforcement of this equipment can, referring to the enforcement of preceding method, repeat part and repeat no more.
A kind of base station equipment that the embodiment of the present invention provides, as shown in Figure 2, specifically comprises:
Issue module 21, for the UE of Serving cell under new access base station equipment, issue the first metrical information;
Here, above-mentioned the first metrical information is used to indicate UE and meets first when pre-conditioned in the RSRP value that measures self affiliated subdistrict, according to default first, reports rule to base station, to report the first measurement result;
Determination module 22, for when receiving the first measurement result that UE reports, determines that UE is edge customer.
Preferably, base station equipment also comprises:
Add scheduler module 23, after determining that at determination module 22 UE is edge customer, add UE to edge customer and concentrate, and when monitoring the edge customer concentrated UE of default scheduling of resource in the cycle and change, edge user collects included UE and carries out scheduling of resource.
Preferably, issue module 21, also, for UE being added to after edge customer collection in interpolation scheduler module 23, to UE, issue the second metrical information;
Here, above-mentioned the second metrical information is used to indicate UE and meets second when pre-conditioned in the RSRP value that measures self affiliated subdistrict, according to default second, reports rule to base station, to report the second measurement result;
Above-mentioned determination module 22, also for when receiving the second measurement result that UE reports, determines user centered by UE, and UE is concentrated and removed from edge customer.
Preferably, above-mentioned determination module 22, also issues module 21 and carries out the step that issues the first metrical information for determining centered by UE after user, returning.
Preferably, satisfied first pre-conditioned of the RSRP value of above-mentioned self affiliated subdistrict that issues that the first metrical information indication UE that module 21 issues measures, the RSRP value that measures self affiliated subdistrict for UE is less than predetermined threshold value;
Satisfied second pre-conditioned of the RSRP value of above-mentioned self affiliated subdistrict that issues that the second metrical information indication UE that module 21 issues measures, the RSRP value that measures self affiliated subdistrict for UE is greater than predetermined threshold value;
Above-mentioned issue the first metrical information indication UE that module 21 issues the RSRP value that measures self affiliated subdistrict satisfied first when pre-conditioned according to first report rule, for UE reports according to the first setting cycle, and stop reporting when reporting number of times to reach the first set point number;
Above-mentioned issue the second metrical information indication UE that module 21 issues the RSRP value that measures self affiliated subdistrict satisfied second when pre-conditioned according to second report rule, for UE reports according to the second setting cycle, and stop reporting when reporting number of times to reach the second set point number.
Through the above description of the embodiments, those skilled in the art can be well understood to the embodiment of the present invention and can realize by hardware, and the mode that also can add necessary general hardware platform by software realizes.Understanding based on such, the technical scheme of the embodiment of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method for each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a definite method for edge customer, is characterized in that, comprising:
Base station issues the first metrical information to the user equipment (UE) of Serving cell under new access self, described the first metrical information is used to indicate described UE and meets first when pre-conditioned in the Reference Signal Received Power RSRP value that measures self affiliated subdistrict, according to default first, reports rule to report the first measurement result to described base station;
If receive the first measurement result that described UE reports, determine that described UE is edge customer.
2. the method for claim 1, is characterized in that, also comprises:
Described base station is after determining described UE and being edge customer, adding described UE to edge customer concentrates, and when monitoring the described edge customer concentrated UE of default scheduling of resource in the cycle and change, the UE included to described edge customer collection carries out scheduling of resource.
3. method as claimed in claim 2, is characterized in that, also comprises:
Add described UE after edge customer collection to described base station, to described UE, issue the second metrical information, described the second metrical information is used to indicate described UE and meets second when pre-conditioned in the RSRP value that measures self affiliated subdistrict, according to default second, reports rule to report the second measurement result to described base station;
If receive the second measurement result that described UE reports, determine user centered by described UE, and described UE is concentrated and removed from described edge customer.
4. method as claimed in claim 3, is characterized in that, also comprises:
The step that issues described the first metrical information to described UE, determining centered by described UE after user, is returned in described base station.
5. the method as described in any one in claim 1-4, is characterized in that, described the first pre-conditioned RSRP value that measures self affiliated subdistrict for described UE is less than predetermined threshold value;
Described the second pre-conditioned RSRP value that measures self affiliated subdistrict for described UE is greater than described predetermined threshold value;
Described first reports rule to report according to the first setting cycle for described UE, and stops reporting when reporting number of times to reach the first set point number;
Described second reports rule to report according to the second setting cycle for described UE, and stops reporting when reporting number of times to reach the second set point number.
6. a base station equipment, is characterized in that, comprising:
Issue module, user equipment (UE) for Serving cell under the described base station equipment of new access issues the first metrical information, described the first metrical information is used to indicate described UE and meets first when pre-conditioned in the Reference Signal Received Power RSRP value that measures self affiliated subdistrict, according to default first, reports rule to report the first measurement result to described base station;
Determination module, for when receiving the first measurement result that described UE reports, determines that described UE is edge customer.
7. base station equipment as claimed in claim 6, is characterized in that, described base station equipment also comprises:
Add scheduler module, for after described determination module determines that described UE is edge customer, adding described UE to edge customer concentrates, and when monitoring the described edge customer concentrated UE of default scheduling of resource in the cycle and change, the UE included to described edge customer collection carries out scheduling of resource.
8. base station equipment as claimed in claim 7, it is characterized in that, the described module that issues, also for described UE being added to after edge customer collection in described interpolation scheduler module, to described UE, issue the second metrical information, described the second metrical information is used to indicate described UE and meets second when pre-conditioned in the RSRP value that measures self affiliated subdistrict, according to default second, reports rule to report the second measurement result to described base station;
Described determination module, also for when receiving the second measurement result that described UE reports, determines user centered by described UE, and described UE is concentrated and removed from described edge customer.
9. base station equipment as claimed in claim 8, is characterized in that, described determination module also, for determining centered by described UE after user, issues module and carries out the step that issues the first metrical information described in returning.
10. the base station equipment as described in any one in claim 6-9, it is characterized in that, satisfied first pre-conditioned of the RSRP value of described self affiliated subdistrict that issues that the first metrical information that module issues indicates that described UE measures, the RSRP value that measures self affiliated subdistrict for described UE is less than predetermined threshold value;
Satisfied second pre-conditioned of the RSRP value of described self affiliated subdistrict that issues that the second metrical information that module issues indicates that described UE measures, the RSRP value that measures self affiliated subdistrict for described UE is greater than described predetermined threshold value;
Described issue the first metrical information that module issues indicate described UE the RSRP value that measures self affiliated subdistrict meet described first when pre-conditioned according to first report rule, for described UE reports according to the first setting cycle, and stop reporting when reporting number of times to reach the first set point number;
Described issue the second metrical information that module issues indicate described UE the RSRP value that measures self affiliated subdistrict meet described second when pre-conditioned according to second report rule, for described UE reports according to the second setting cycle, and stop reporting when reporting number of times to reach the second set point number.
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| CN106856612B (en) * | 2015-12-09 | 2020-03-03 | 中国联合网络通信集团有限公司 | Multi-point cooperative communication method and base station |
| CN111010714A (en) * | 2019-11-28 | 2020-04-14 | 北京长焜科技有限公司 | Method for improving call quality of VoLTE voice users at edge of LTE system |
| CN111010714B (en) * | 2019-11-28 | 2023-09-12 | 北京长焜科技有限公司 | Method for improving conversation quality of LTE system edge VoLTE voice user |
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