CN102196510A - Method and system for generating high-interference indication information as well as corresponding sending method and system - Google Patents
Method and system for generating high-interference indication information as well as corresponding sending method and system Download PDFInfo
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- CN102196510A CN102196510A CN201110098191.6A CN201110098191A CN102196510A CN 102196510 A CN102196510 A CN 102196510A CN 201110098191 A CN201110098191 A CN 201110098191A CN 102196510 A CN102196510 A CN 102196510A
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- high interference
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- indication information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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Abstract
The invention provides a method and system for generating high-interference indication information as well as a corresponding sending method and system. According to the measurement report reported by UE (user equipment), the UE in a service cell is divided into one or multiple UE groups; the high-interference indication information of each UE group is generated; and the high-interference indication information of each UE group is sent to the target cell maintained by the UE group. The corresponding system comprises a dividing device, a generating device and a sending device. According to the invention, the same frequency interference among uplink cells can be eliminated effectively.
Description
Technical field
The present invention relates to the field of radio communication, be specifically related to a kind of method, system and corresponding sending method, system that generates the high interference indication information.
Background technology
In current LTE (Long-Term Evolution, Long Term Evolution) system, most identical networkings, networking model is seen Fig. 1. in order to prevent co-channel interference, in the agreement of Release 8, the Load Information of 3GPP regulation is for interactive interference information between the different districts.Wherein, HII (High Interference Information, high interference indication) is an important parameter with the mutual uplink interference information in adjacent area.The details of this parameter comprise bitmap and target cell two parts, and the bitmap that may be produced interference by Serving cell sends to the sub-district (target Cell) that may interfere with, and when producing these parameters, hope is accurate more good more.Current production method is to send after the sub-district produces the parameter of a HII, and each sub-district has only one group of parameter, and multicast is given all sub-districts.
The defective of this way is: the UE in Serving cell (User Equipment, subscriber equipment) position is more concentrated, and concentrates on certain several zone, and as shown in Figure 2, when generating HII information, identical HII information is all received in nearly all adjacent area like this.In fact each adjacent area only is subjected to the uplink interference that part UE brings, and the information that receives HII like this is inaccurate, makes interference suppressioning effect not good.
Summary of the invention
The technical problem to be solved in the present invention is to propose a kind of method and system that can effectively eliminate the generation high interference indication information of co-channel interference between uplink cells, and the sending method and the system of corresponding high interference indication information.
In order to solve the problems of the technologies described above, the invention provides a kind of method that generates the high interference indication information, be applied to comprise in the identical networking system:
Measurement report according to subscriber equipment (UE) reports is divided into one or more UE groups with the UE in the Serving cell;
Generate the high interference indication information of each UE group, described high interference indication information comprises high interference indication bitmap and high interference indicating target sub-district.
Further, described UE in the Serving cell is divided into one or more UE group, comprises:
According to the measurement report of each UE in the Serving cell, determine the set of the high interference indicating target sub-district of each UE;
The UE that will have M common high interference indicating target sub-district is divided into a UE group, and M is a preset value, M 〉=1.
Further, when the UE of the described M of having a common high interference indicating target sub-district was divided into a UE group, a UE only was divided in the UE group, and a UE is not simultaneously in two UE groups.
Further, during the set of the high interference indicating target sub-district of described definite each UE,, determine the set of its high interference indicating target sub-district in the following manner to each UE:
Work as R
s-R
iDuring＜H, be the high interference indicating target sub-district of described UE with adjacent area i;
Work as R
s-R
iDuring 〉=H, adjacent area i is not listed in the high interference indicating target sub-district of described UE;
Wherein, R
sBe the measured value of described UE to Serving cell, R
iBe the measured value of described UE to i adjacent area, 1≤i≤I, I are the adjacent area sum, the threshold value of H for setting.
Further, the high interference indication bitmap in the high interference indication information of each UE group of described generation is made of the interference that each UE in this group produces; High interference indicating target sub-district in the described high interference indication information is the union of the high interference indicating target sub-district of all UE in this group.
In order to solve the problems of the technologies described above, the present invention also provides a kind of sending method of high interference indication information, is applied to comprise in the identical networking system:
Adopt the method for above-mentioned generation high interference indication information to generate the high interference indication information;
Adopt mode in turn that the high interference indication information of each UE group is sent to the Target cell that this UE group is safeguarded.
Correspondingly, the present invention also provides a kind of system that generates the high interference indication information, and described system applies comprises in the identical networking system:
Classification apparatus is used for the measurement report that reports according to subscriber equipment (UE), and the UE in the Serving cell is divided into one or more UE groups;
Generating apparatus is used to generate the high interference indication information that each UE organizes, and described high interference indication information comprises high interference indication bitmap and high interference indicating target sub-district.
Further, described classification apparatus according to the measurement report of each UE in the Serving cell, is determined the set of the high interference indicating target sub-district of each UE;
The UE that will have M common high interference indicating target sub-district is divided into a UE group, M 〉=1, and M is a preset value.
Further, when described generating apparatus is determined the set of high interference indicating target sub-district of each UE,, determine the set of its high interference indicating target sub-district in the following manner to each UE:
Work as R
s-R
iDuring＜H, be the high interference indicating target sub-district of described UE with adjacent area i;
Work as R
s-R
iDuring 〉=H, adjacent area i is not listed in the high interference indicating target sub-district of described UE;
Wherein, R
sBe the measured value of described UE to Serving cell, R
iBe the measured value of described UE to i adjacent area, 1≤i≤I, I are the adjacent area sum, the threshold value of H for setting.
Further, the high interference indication bitmap that generates in the high interference indication information of each UE group of described generating apparatus is made of the interference bitmap of each UE generation in this group; High interference indicating target sub-district in the described high interference indication information is the union of the high interference indicating target sub-district of all UE in this group.
Correspondingly, the present invention also provides a kind of transmitting system of high interference indication information, is applied to comprise in the identical networking system:
Classification apparatus and generating apparatus in the system of above-mentioned generation high interference indication information; And
Dispensing device is used to adopt mode in turn that the high interference indication information of each UE group is sent to the Target cell that this UE group is safeguarded.
The present invention can more effective elimination uplink cells between co-channel interference, sending HII information, information accurately more and targetedly, can effectively reduce the influence that co-channel interference is brought for the adjacent area, thereby improves spectrum efficiency.The present invention can more effective generation high interference indication when UE relatively concentrates on some position in Serving cell.
Description of drawings
Fig. 1 is the schematic diagram of common communication system network model;
Fig. 2 is the schematic diagram of the example that the subscriber equipment distributing position is relatively concentrated in the Serving cell;
Fig. 3 is the schematic diagram that subscriber equipment divides into groups among Fig. 2;
Fig. 4 is the flow chart of this inventive embodiments high interference indicating means;
Fig. 5 is the flow chart that the high interference indicating means of example is used in this invention;
Fig. 6 is that the present invention uses the network model of example 1 and the schematic diagram that subscriber equipment distributes;
Fig. 7 is that the present invention uses the network model of example 2 and the schematic diagram that subscriber equipment distributes.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter will be elaborated to embodiments of the invention in conjunction with the accompanying drawings.Need to prove that under the situation of not conflicting, embodiment among the application and the feature among the embodiment be combination in any mutually.
Because the physical location of UE may relatively concentrate on certain a few place in the sub-district, as shown in Figure 2.Can handle as one group of UE the more approaching UE of physical location in the sub-district, as shown in Figure 3.Can be by judging the metrical information of UE, SINR or the like divides into groups.High interference indicating means of the present invention can be in the base station of identical networking system, and present embodiment is with the example that is applied as at long evolving system (LTE).
Please refer to Fig. 4, the method for the transmission high interference indication information of this enforcement comprises:
Step 10, the measurement report according to UE reports is divided into one or more UE groups with the UE in the Serving cell;
In this step, can determine the set of the high interference indicating target sub-district of each UE according to the measurement report of each UE in the Serving cell; The UE that will have M common high interference indicating target sub-district then is divided into a UE group, M 〉=1, and M is a preset value.Preferably, same UE only is divided in the UE group, can avoid redundant like this, conserve bandwidth.But it is and nonessential like this.
Nearby region measurement value of carrying in the above-mentioned measurement report and service cell measurement value, base station to each UE, are determined the set of its high interference indicating target sub-district in the following manner when the set of the high interference indicating target sub-district of determining each UE:
Work as R
s-R
iDuring＜H, be the high interference indicating target sub-district of described UE with adjacent area i;
Work as R
s-R
iDuring 〉=H, adjacent area i is not listed in the high interference indicating target sub-district of described UE;
Wherein, R
sBe the measured value of described UE to Serving cell, R
iBe the measured value of described UE to i adjacent area, 1≤i≤I, I are the adjacent area sum, the threshold value of described H for setting.
Step 20 generates the high interference indication information that each UE organizes, and described high interference indication information comprises high interference indication bitmap and high interference indicating target sub-district;
In the present embodiment, every group of UE generates the high interference indication information of this group separately, only considers that this group UE generates the high interference indication information in the corresponding high interference indication information of this group.High interference indication bitmap in the high interference indication information of UE group can be made of the interference bitmap that each UE in this group produces, and high interference indicating target sub-district can be the union of the high interference indicating target sub-district of all UE in this group.
More than two steps constituted the method that present embodiment generates the high interference indication information.
Step 30, the high interference indication information that each UE is organized sends to the Target cell that this UE group is safeguarded.
Particularly, can when sending Load Information, adopt mode in turn that the high interference indication information of each UE group is sent to the Target cell that this UE group is safeguarded.
Correspondingly, the system of the transmission high interference indication information of present embodiment comprises:
Classification apparatus is used for the measurement report that reports according to UE, and the UE in the Serving cell is divided into one or more UE groups.Concrete division methods can adopt the concrete division methods of describing in the high interference indicating means.
Generating apparatus is used to generate the high interference indication information that each UE organizes, and described high interference indication information comprises high interference indication bitmap and high interference indicating target sub-district.Concrete generation method can adopt the concrete generation method of describing in the high interference indicating means.
Dispensing device is used for the high interference indication information of each UE group is sent to the base station that this UE organizes the Target cell of safeguarding.Concrete sending method can adopt the concrete sending method of describing in the high interference indicating means.
This system can be in the identical networking system, as long evolving system (LTE).Classification apparatus wherein and generating apparatus have constituted the system of the generation high interference indication information of present embodiment.
Use example 1
Should be as shown in Figure 1 with the networking of example, 4 UE are linked among the Cell0, the UE position as shown in Figure 6: three UE are positioned at the edge of Cell0, and a UE is positioned at the center of Cell0;
As shown in Figure 5, should comprise with the high interference reminding method of example:
Step S100, the measurement report of reception UE;
Step S101, the measurement report that reports according to UE divides into groups to UE:
Particularly, can travel through the measurement report of all UE, to certain UE, the measured value RSRP that supposes current service cell is R
s, the measured value RSRP of adjacent area i is R
NiIf, R
s-R
Ni＜H
1, think that then this UE can cause interference to adjacent area i in this position, with this adjacent area as one in the high interference indicating target sub-district of this UE, otherwise, if R
s-R
Ni〉=H
1Think that then UE can not cause interference to adjacent area i in this position, so this adjacent area is not listed in the high interference indicating target sub-district of this UE, whether be the criterion of the high interference indicating target sub-district of this UE more than for screening adjacent area i, with this criterion all adjacent areas in the measurement report are screened, wherein, RSRP (Reference Signal Receiving Power) is the mean value of the signal power that receives.
Step S102, the Target cell that measures according to UE divides into groups to UE;
Wherein, the UE that will have a common high interference indicating target sub-district of M is divided into a UE group.Preferably, a UE only is divided into a UE group, promptly after a UE is divided into a UE group, promptly deletes this UE from UE set to be divided.
Step S103, to each UE group, the high interference that the interference bitmap that produces according to each UE in this group constitutes in the high interference indication information of this UE group is indicated bitmap;
Step 104 is organized each UE, and the union of the high interference indicating target sub-district of each UE was as the high interference indicating target sub-district in the high interference indication information of this UE group during this was organized.
Step S105 sends the HII information that each UE organizes in turn.
Use example 2
Should be as shown in Figure 1 with the networking of example, 4 UE are linked among the Cell0, the UE position as shown in Figure 7: three UE all are positioned at the edge of Cell0.
Should be also shown in Figure 5 with the high interference reminding method of example, with use example 1 different be, when the measurement report that reports according to UE divides into groups to UE, the measured value that is adopted is the SINR (Signal to Interference plus Noise Ratio, Signal to Interference plus Noise Ratio) in the measurement report.Other guide no longer repeats.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to finish by program, described program can be stored in the computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize, correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. method that generates the high interference indication information is applied to comprise in the identical networking system:
Measurement report according to subscriber equipment (UE) reports is divided into one or more UE groups with the UE in the Serving cell;
Generate the high interference indication information of each UE group, described high interference indication information comprises high interference indication bitmap and high interference indicating target sub-district.
2. the method for claim 1 is characterized in that: described UE in the Serving cell is divided into one or more UE groups, comprises:
According to the measurement report of each UE in the Serving cell, determine the set of the high interference indicating target sub-district of each UE;
The UE that will have M common high interference indicating target sub-district is divided into a UE group, and M is a preset value, M 〉=1.
3. method as claimed in claim 2 is characterized in that:
When the UE of the described M of having a common high interference indicating target sub-district was divided into a UE group, a UE only was divided in the UE group.
4. method as claimed in claim 2 is characterized in that:
During the set of the described high interference indicating target sub-district of determining each UE,, determine the set of its high interference indicating target sub-district in the following manner to each UE:
Work as R
s-R
iDuring＜H, be the high interference indicating target sub-district of described UE with adjacent area i;
Work as R
s-R
iDuring 〉=H, adjacent area i is not listed in the high interference indicating target sub-district of described UE;
Wherein, R
sBe the measured value of described UE to Serving cell, R
iBe the measured value of described UE to i adjacent area, 1≤i≤I, I are the adjacent area sum, the threshold value of H for setting.
5. the method for claim 1 is characterized in that:
High interference indication bitmap in the high interference indication information of each UE group of described generation is made of the interference that each UE in this group produces; High interference indicating target sub-district in the described high interference indication information is the union of the high interference indicating target sub-district of all UE in this group.
6. the sending method of a high interference indication information is applied to comprise in the identical networking system:
Adopt as the described method of arbitrary claim in the claim 1 to 5 and generate the high interference indication information;
Adopt mode in turn that the high interference indication information of each UE group is sent to the Target cell that this UE group is safeguarded.
7. system that generates the high interference indication information is applied to comprise in the identical networking system:
Classification apparatus is used for the measurement report that reports according to subscriber equipment (UE), and the UE in the Serving cell is divided into one or more UE groups;
Generating apparatus is used to generate the high interference indication information that each UE organizes, and described high interference indication information comprises high interference indication bitmap and high interference indicating target sub-district.
8. system as claimed in claim 7 is characterized in that:
When described classification apparatus is divided into one or more UE group with the UE in the Serving cell, comprising:
According to the measurement report of each UE in the Serving cell, determine the set of the high interference indicating target sub-district of each UE;
The UE that will have M common high interference indicating target sub-district is divided into a UE group, M 〉=1, and M is a preset value.
9. system as claimed in claim 7 is characterized in that:
When described generating apparatus is determined the set of high interference indicating target sub-district of each UE,, determine the set of its high interference indicating target sub-district in the following manner to each UE:
Work as R
s-R
iDuring＜H, be the high interference indicating target sub-district of described UE with adjacent area i;
Work as R
s-R
iDuring 〉=H, adjacent area i is not listed in the high interference indicating target sub-district of described UE;
Wherein, R
sBe the measured value of described UE to Serving cell, R
iBe the measured value of described UE to i adjacent area, 1≤i≤I, I are the adjacent area sum, the threshold value of H for setting.
10. system as claimed in claim 7 is characterized in that:
High interference indication bitmap in the high interference indication information of each UE group that described generating apparatus generates is made of the interference bitmap that each UE in this group produces; High interference indicating target sub-district in the described high interference indication information is the union of the high interference indicating target sub-district of all UE in this group.
11. the transmitting system of a high interference indication information is applied to it is characterized in that in the identical networking system, comprising:
As classification apparatus and the generating apparatus in the system of the described generation high interference of arbitrary claim indication information in the claim 7 to 10; And
Dispensing device is used to adopt mode in turn that the high interference indication information of each UE group is sent to the Target cell that this UE group is safeguarded.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110098191.6A CN102196510B (en) | 2011-04-19 | 2011-04-19 | Method and system for generating high-interference indication information as well as corresponding sending method and system |
| PCT/CN2011/079209 WO2012142810A1 (en) | 2011-04-19 | 2011-08-31 | Method and system for generating high interference indication information and corresponding sending method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110098191.6A CN102196510B (en) | 2011-04-19 | 2011-04-19 | Method and system for generating high-interference indication information as well as corresponding sending method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102196510A true CN102196510A (en) | 2011-09-21 |
| CN102196510B CN102196510B (en) | 2015-01-28 |
Family
ID=44603726
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110098191.6A Expired - Fee Related CN102196510B (en) | 2011-04-19 | 2011-04-19 | Method and system for generating high-interference indication information as well as corresponding sending method and system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102196510B (en) |
| WO (1) | WO2012142810A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013134930A1 (en) * | 2012-03-13 | 2013-09-19 | Renesas Mobile Corporation | Method and apparatus for reducing radio interferences |
| EP3337259A4 (en) * | 2015-08-12 | 2018-08-08 | China Academy Of Telecommunications Technology | Interference reporting and resource adjustment method and apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101631351A (en) * | 2008-07-14 | 2010-01-20 | 中兴通讯股份有限公司 | Measurement control method |
| CN101668304B (en) * | 2008-09-04 | 2012-08-15 | 电信科学技术研究院 | Method and device for measuring and indicating high-interference indicating parameters |
| CN101772176B (en) * | 2008-12-30 | 2012-05-02 | 电信科学技术研究院 | Interference coordination method and access network device |
-
2011
- 2011-04-19 CN CN201110098191.6A patent/CN102196510B/en not_active Expired - Fee Related
- 2011-08-31 WO PCT/CN2011/079209 patent/WO2012142810A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013134930A1 (en) * | 2012-03-13 | 2013-09-19 | Renesas Mobile Corporation | Method and apparatus for reducing radio interferences |
| US9426682B2 (en) | 2012-03-13 | 2016-08-23 | Broadcom Corporation | Method and apparatus for reducing radio interferences |
| EP3337259A4 (en) * | 2015-08-12 | 2018-08-08 | China Academy Of Telecommunications Technology | Interference reporting and resource adjustment method and apparatus |
| US10499403B2 (en) | 2015-08-12 | 2019-12-03 | China Academy Of Telecommunications Technology | Interference reporting and resource adjustment method and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102196510B (en) | 2015-01-28 |
| WO2012142810A1 (en) | 2012-10-26 |
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