CN102196510B - 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 PDF

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Publication number
CN102196510B
CN102196510B CN201110098191.6A CN201110098191A CN102196510B CN 102196510 B CN102196510 B CN 102196510B CN 201110098191 A CN201110098191 A CN 201110098191A CN 102196510 B CN102196510 B CN 102196510B
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China
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high interference
group
indication information
indicating target
target community
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CN201110098191.6A
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CN102196510A (en
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褚丽莉
王新台
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ZTE Corp
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ZTE Corp
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Priority to CN201110098191.6A priority Critical patent/CN102196510B/en
Priority to PCT/CN2011/079209 priority patent/WO2012142810A1/en
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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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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

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

Generate the method for high interference indication information, system and corresponding sending method, system
Technical field
The present invention relates to the field of radio communication, be specifically related to a kind of generate high interference indication information method, system and corresponding sending method, system.
Background technology
In current LTE (Long-Term Evolution, Long Term Evolution) system, most identical networking, networking model is shown in Fig. 1. in order to prevent co-channel interference, in the agreement of Release 8, the Load Information that 3GPP specifies, for interactive interference information between different districts.Wherein, HII (High Interference Information, high interference indicates) is an important parameter of the mutual uplink interference information with 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 community (target Cell) that may interfere with, when producing these parameters, desirably more accurately better.Current production method sends after community produces the parameter of a HII, and each community only has one group of parameter, and multicast gives all communities.
The defect of this way is: as UE (the User Equipment in Serving cell, subscriber equipment) location comparison concentrates, and concentrates on certain several region, as shown in Figure 2, like this when generating HII information, nearly all adjacent area all receives identical HII information.In fact each adjacent area is only subject to the uplink interference that part UE brings, and the information receiving HII is like this inaccurate, makes interference suppressioning effect not good.
Summary of the invention
The technical problem to be solved in the present invention proposes a kind of method and system effectively can eliminating the generation high interference indication information of co-channel interference between uplink cells, and the sending method of corresponding high interference indication information and system.
In order to solve the problems of the technologies described above, the invention provides a kind of method generating high interference indication information, being applied in identical networking system, comprising:
According to the measurement report that subscriber equipment (UE) reports, the UE in Serving cell is divided into one or more UE group;
Generate the high interference indication information of each UE group, described high interference indication information comprises high interference instruction bitmap and high interference indicating target community.
Further, described UE in Serving cell is divided into one or more UE group, comprises:
According to the measurement report of each UE in Serving cell, determine the set of the high interference indicating target community of each UE;
The UE with the individual common high interference indicating target community of M is divided into a UE group, and M is preset value, M >=1.
Further, described in there is the common high interference indicating target community of M UE when being divided into a UE group, a UE is only divided in a UE group, during a UE difference in two UE groups.
Further, during the set of the described high interference indicating target community determining each UE, to each UE, the set of its high interference indicating target community is determined in the following manner:
Work as R s-R iduring < H, be the high interference indicating target community of described UE by adjacent area i;
Work as R s-R iduring>=H, adjacent area i is not listed in the high interference indicating target community of described UE;
Wherein, R sfor described UE is to the measured value of Serving cell, R ifor described UE is to the measured value of i-th adjacent area, 1≤i≤I, I is adjacent area sum, and H is the threshold value of setting.
Further, the interference that the high interference instruction bitmap in the high interference indication information of each UE group of described generation is produced by each UE in this group is formed; High interference indicating target community in described high interference indication information is the union of the high interference indicating target community of all UE in this group.
In order to solve the problems of the technologies described above, present invention also offers a kind of sending method of high interference indication information, being applied in identical networking system, comprising:
The method of above-mentioned generation high interference indication information is adopted to generate high interference indication information;
Adopt the Target cell that the high interference indication information of each UE group sends to this UE group to safeguard by mode in turn.
Correspondingly, present invention also offers a kind of system generating high interference indication information, described system is applied in identical networking system, comprising:
Divide device, for the measurement report reported according to subscriber equipment (UE), the UE in Serving cell is divided into one or more UE group;
Generating apparatus, for generating the high interference indication information of each UE group, described high interference indication information comprises high interference instruction bitmap and high interference indicating target community.
Further, described division device, according to the measurement report of each UE in Serving cell, determines the set of the high interference indicating target community of each UE;
The UE with the individual common high interference indicating target community of M is divided into a UE group, M >=1, and M is preset value.
Further, when described generating apparatus determines the set of high interference indicating target community of each UE, to each UE, the set of its high interference indicating target community is determined in the following manner:
Work as R s-R iduring < H, be the high interference indicating target community of described UE by adjacent area i;
Work as R s-R iduring>=H, adjacent area i is not listed in the high interference indicating target community of described UE;
Wherein, R sfor described UE is to the measured value of Serving cell, R ifor described UE is to the measured value of i-th adjacent area, 1≤i≤I, I is adjacent area sum, and H is the threshold value of setting.
Further, the high interference instruction bitmap that described generating apparatus generates in the high interference indication information of each UE group is made up of the interference bitmap of each UE generation in this group; High interference indicating target community in described high interference indication information is the union of the high interference indicating target community of all UE in this group.
Correspondingly, present invention also offers a kind of transmitting system of high interference indication information, be applied in identical networking system, comprise:
Division device in the system of above-mentioned generation high interference indication information and generating apparatus; And
Dispensing device, for the Target cell adopting mode in turn to send to this UE group to safeguard the high interference indication information of each UE group.
The present invention can co-channel interference between more effective elimination uplink cells, and in transmission HII information, information accurately more and targetedly, for the impact that effectively can reduce co-channel interference adjacent area and bring, thus improves spectrum efficiency.The present invention in the serving cells UE compares when concentrating on some position, can more effective generation high interference instruction.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of common communication system network model;
Fig. 2 is the schematic diagram of the example that in Serving cell, subscriber equipment distributing position is relatively concentrated;
Fig. 3 is that in Fig. 2, subscriber equipment carries out the schematic diagram divided into groups;
Fig. 4 is the flow chart of this inventive embodiments high interference indicating means;
Fig. 5 is the flow chart of the high interference indicating means of this invention application example;
Fig. 6 is the network model of application example 1 of the present invention and the schematic diagram of subscriber equipment distribution;
Fig. 7 is the network model of application example 2 of the present invention and the schematic diagram of subscriber equipment distribution.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Physical location due to UE in community may compare and concentrates on certain a few place, as shown in Figure 2.Can to the UE relatively of physical location in community as one group of UE process, as shown in Figure 3.Can by judging the metrical information of UE, SINR etc. divides into groups.High interference indicating means of the present invention can in the base station of identical networking system, and the present embodiment is to be applied as example 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, according to the measurement report that UE reports, is divided into one or more UE group by the UE in Serving cell;
In this step, according to the measurement report of each UE in Serving cell, the set of the high interference indicating target community of each UE can be determined; Then the UE with the individual common high interference indicating target community of M is divided into a UE group, M >=1, M is preset value.Preferably, same UE is only divided in a UE group, can avoid redundancy like this, saves bandwidth.But it is so non-essential.
The nearby region measurement value of carrying in above-mentioned measurement report and service cell measurements, the set of its high interference indicating target community, when the set of high interference indicating target community determining each UE, to each UE, is determined in the following manner in base station:
Work as R s-R iduring < H, be the high interference indicating target community of described UE by adjacent area i;
Work as R s-R iduring>=H, adjacent area i is not listed in the high interference indicating target community of described UE;
Wherein, R sfor described UE is to the measured value of Serving cell, R ifor described UE is to the measured value of i-th adjacent area, 1≤i≤I, I is adjacent area sum, and described H is the threshold value of setting.
Step 20, generates the high interference indication information of each UE group, and described high interference indication information comprises high interference instruction bitmap and high interference indicating target community;
In the present embodiment, often organize the high interference indication information that UE generates separately this group, in the high interference indication information of this group correspondence, only consider that this group UE is to generate high interference indication information.The interference bitmap that high interference instruction bitmap in the high interference indication information of UE group can be produced by each UE in this group is formed, and high interference indicating target community can be the union of the high interference indicating target community of all UE in this group.
Above two steps constitute the method that the present embodiment generates high interference indication information.
Step 30, the Target cell sending to this UE group to safeguard the high interference indication information of each UE group.
Particularly, when sending Load Information, the Target cell that the high interference indication information of each UE group sends to this UE group to safeguard by mode in turn can be adopted.
Correspondingly, the system of the transmission high interference indication information of the present embodiment, comprising:
Divide device, for the measurement report reported according to UE, the UE in Serving cell is divided into one or more UE group.Concrete division methods can adopt in high interference indicating means the concrete division methods described.
Generating apparatus, for generating the high interference indication information of each UE group, described high interference indication information comprises high interference instruction bitmap and high interference indicating target community.Concrete generation method can adopt the concrete generation method described in high interference indicating means.
Dispensing device, for the base station of the Target cell that sends to this UE group to safeguard the high interference indication information of each UE group.Concrete sending method can adopt in high interference indicating means the concrete sending method described.
This system can in identical networking system, as long evolving system (LTE).Division device wherein and generating apparatus constitute the system of the generation high interference indication information of the present embodiment.
Application example 1
As shown in Figure 1,4 UE are linked in Cell0 in the networking of this application example, 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, the high interference reminding method of this application example comprises:
Step S100, receives the measurement report of UE;
Step S101, divides into groups to UE according to the measurement report that UE reports:
Particularly, the measurement report of all UE can be traveled through, to certain UE, assuming that the measured value RSRP of current service cell is R s, the measured value RSRP of adjacent area i is R niif, R s-R ni< H 1, then think that this UE can cause interference to adjacent area i in this position, using this adjacent area as in the high interference indicating target community of this UE, otherwise, if R s-R ni>=H 1then think that 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 community of this UE, it is more than criterion that whether screening adjacent area i is the high interference indicating target community of this UE, with this criterion, adjacent areas all in measurement report are screened, wherein, the mean value of signal power of RSRP (Reference Signal Receiving Power) for receiving.
Step S102, divides into groups to UE according to the Target cell that UE measurement obtains;
Wherein, the UE with the individual common high interference indicating target community of M is divided into a UE group.Preferably, a UE is only divided into a UE group, namely after a UE is divided into a UE group, namely from UE to be divided gathers, deletes this UE.
Step S103, to each UE group, forms the high interference instruction bitmap in the high interference indication information of this UE group according to the interference bitmap of each UE generation in this group;
Step 104, to each UE group, using the union of the high interference indicating target community of each UE in this group as the high interference indicating target community in the high interference indication information of this UE group.
Step S105, sends the HII information of each UE group in turn.
Application example 2
As shown in Figure 1,4 UE are linked in Cell0 in the networking of this application example, UE position as shown in Figure 7: three UE are all positioned at the edge of Cell0.
The high interference reminding method of this application example is also shown in Fig. 5, with application example 1 unlike, when the measurement report reported according to UE divides into groups to UE, the measured value adopted is the SINR (Signal to Interference plus Noise Ratio, Signal to Interference plus Noise Ratio) in measurement report.Other guide no longer repeats.
The all or part of step that one of ordinary skill in the art will appreciate that in said method is carried out instruction related hardware by program and is completed, and described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuit to realize, and correspondingly, each module/unit in above-described embodiment can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. generate a method for high interference indication information, be applied in identical networking system, comprise:
According to the measurement report that subscriber equipment (UE) reports, the UE in Serving cell is divided into one or more UE group;
Generate the high interference indication information of each UE group, described high interference indication information comprises high interference instruction bitmap and high interference indicating target community;
Described UE in Serving cell is divided into one or more UE group, comprises:
According to the measurement report of each UE in Serving cell, determine the set of the high interference indicating target community of each UE;
The UE with the individual common high interference indicating target community of M is divided into a UE group, and M is preset value, M >=1.
2. the method for claim 1, is characterized in that:
When the UE of the individual common high interference indicating target community of the described M of having is divided into a UE group, a UE is only divided in a UE group.
3. the method for claim 1, is characterized in that:
During the set of the described high interference indicating target community determining each UE, to each UE, determine the set of its high interference indicating target community in the following manner:
Work as R s-R iduring < H, be the high interference indicating target community of described UE by adjacent area i;
Work as R s-R iduring>=H, adjacent area i is not listed in the high interference indicating target community of described UE;
Wherein, R sfor described UE is to the measured value of Serving cell, R ifor described UE is to the measured value of i-th adjacent area, 1≤i≤I, I is adjacent area sum, and H is the threshold value of setting.
4. the method for claim 1, is characterized in that:
The interference that high interference instruction bitmap in the high interference indication information of each UE group of described generation is produced by each UE in this group is formed; High interference indicating target community in described high interference indication information is the union of the high interference indicating target community of all UE in this group.
5. a sending method for high interference indication information, is applied in identical networking system, comprises:
The method as described in claim arbitrary in Claims 1-4 is adopted to generate high interference indication information;
Adopt the Target cell that the high interference indication information of each UE group sends to this UE group to safeguard by mode in turn.
6. generate a system for high interference indication information, be applied in identical networking system, comprise:
Divide device, for the measurement report reported according to subscriber equipment (UE), the UE in Serving cell is divided into one or more UE group;
Generating apparatus, for generating the high interference indication information of each UE group, described high interference indication information comprises high interference instruction bitmap and high interference indicating target community;
When UE in Serving cell is divided into one or more UE group by described division device, comprising:
According to the measurement report of each UE in Serving cell, determine the set of the high interference indicating target community of each UE;
The UE with the individual common high interference indicating target community of M is divided into a UE group, M >=1, and M is preset value.
7. system as claimed in claim 6, is characterized in that:
When described generating apparatus determines the set of high interference indicating target community of each UE, to each UE, determine the set of its high interference indicating target community in the following manner:
Work as R s-R iduring < H, be the high interference indicating target community of described UE by adjacent area i;
Work as R s-R iduring>=H, adjacent area i is not listed in the high interference indicating target community of described UE;
Wherein, R sfor described UE is to the measured value of Serving cell, R ifor described UE is to the measured value of i-th adjacent area, 1≤i≤I, I is adjacent area sum, and H is the threshold value of setting.
8. system as claimed in claim 6, is characterized in that:
The interference bitmap that high interference instruction bitmap in the high interference indication information of each UE group that described generating apparatus generates is produced by each UE in this group is formed; High interference indicating target community in described high interference indication information is the union of the high interference indicating target community of all UE in this group.
9. a transmitting system for high interference indication information, is applied in identical networking system, it is characterized in that, comprising:
Division device in the system of the generation high interference indication information as described in claim arbitrary in claim 6 to 8 and generating apparatus; And
Dispensing device, for the Target cell adopting mode in turn to send to this UE group to safeguard the high interference indication information of each UE group.
CN201110098191.6A 2011-04-19 2011-04-19 Method and system for generating high-interference indication information as well as corresponding sending method and system Expired - Fee Related CN102196510B (en)

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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

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WO2013134930A1 (en) * 2012-03-13 2013-09-19 Renesas Mobile Corporation Method and apparatus for reducing radio interferences
CN106455082B (en) * 2015-08-12 2019-08-30 电信科学技术研究院 A kind of interference reports, resource adjusting method and device

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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
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