CN103327539B - Inter-cell interference coordination method and device - Google Patents
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- OPIGMRDAPFQALU-UHFFFAOYSA-N 4-amino-n-(5-propan-2-yl-1,3,4-thiadiazol-2-yl)benzenesulfonamide Chemical compound S1C(C(C)C)=NN=C1NS(=O)(=O)C1=CC=C(N)C=C1 OPIGMRDAPFQALU-UHFFFAOYSA-N 0.000 description 4
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Abstract
The present invention provides a kind of inter-cell interference coordination method and device, wherein, method comprises determining that the high interference business that high interference Physical Resource Block is corresponding with described high interference Physical Resource Block, described high interference business are the business that described high interference Physical Resource Block currently carries；Detect whether the quality of service QoS grade of described high interference business reaches the standard QoS grade that default described high interference business is corresponding, do not send interference overloading alarming to adjacent base station.The inter-cell interference coordination method of present invention offer and device, by after determining high interference Physical Resource Block, if detecting, the quality of service QoS grade of the high interference business that this high interference Physical Resource Block carries reaches the standard QoS grade that default this high interference business is corresponding, the most do not send the technical scheme of interference overloading alarming to adjacent base station, effectively reduce the signaling interaction times caused because of Inter-Cell Interference Coordination.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of inter-cell interference coordination method and device.
Background technology
Along with the development of Long Term Evolution (Long Term Evolution, be called for short LTE), in order to
Solve current LTE technology small area edge customer and be disturbed serious problem, Inter-Cell Interference Coordination
(Inter-Cell Interference Coordination is called for short ICIC) is increasingly becoming in LTE technology
Research emphasis.
Existing ICIC scheme is, ICIC device provides according to the physics that the edge customer got is corresponding
The currency of the interference parameter of source block, if detecting, the currency of arbitrary described interference parameter is more than presetting
Threshold value corresponding to described interference parameter, then this Physical Resource Block is defined as high interference physical resource
Block, and the interference overloading alarming of the mark including this high interference Physical Resource Block is sent to adjacent base station,
So that the physics that own edges user is corresponding is provided by described adjacent base station according to described interference overloading alarming
Source block is adjusted, therefore, in such scheme, because Inter-Cell Interference Coordination may cause with adjacent
Signalling exchange frequently between base station.
Summary of the invention
The present invention provides a kind of inter-cell interference coordination method and device, is used for solving existing minizone and does
Disturb the problem causing Signalling exchange frequently because of coordinating district interference in coordination approach.
The first aspect of the invention is to provide a kind of inter-cell interference coordination method, including:
Determine the high interference business that high interference Physical Resource Block is corresponding with described high interference Physical Resource Block, institute
Stating high interference business is the business that described high interference Physical Resource Block currently carries；
Detect the described high interference industry whether the quality of service QoS grade of described high interference business reaches default
The standard QoS grade that business is corresponding, does not sends interference overloading alarming to adjacent base station.
Another aspect of the present invention is to provide a kind of inter-cell interference coordination method and device, including:
Detection module, for determining that high interference Physical Resource Block is corresponding with described high interference Physical Resource Block
High interference business, described high interference business is the business that described high interference Physical Resource Block currently carries；
Processing module, for detecting whether the quality of service QoS grade of described high interference business reaches default
Standard QoS grade corresponding to described high interference business, do not send to adjacent base station and disturbed
Carry alarm.
The inter-cell interference coordination method of present invention offer and device, by determining high interference physical resource
After block, if the quality of service QoS grade of the high interference business that this high interference Physical Resource Block carries being detected
Reach the standard QoS grade that this default high interference business is corresponding, the most do not send to adjacent base station and disturbed
Carry the technical scheme of alarm, effectively reduce the signaling interaction times caused because of Inter-Cell Interference Coordination.
Accompanying drawing explanation
The schematic flow sheet of a kind of inter-cell interference coordination method that Fig. 1 provides for the embodiment of the present invention one；
The structural representation of a kind of Inter-Cell Interference Coordination device that Fig. 2 provides for the embodiment of the present invention two.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention.
The schematic flow sheet of a kind of inter-cell interference coordination method that Fig. 1 provides for the embodiment of the present invention one,
As it is shown in figure 1, described method includes:
101, the high interference industry that high interference Physical Resource Block is corresponding with described high interference Physical Resource Block is determined
Business, described high interference business is the business that described high interference Physical Resource Block currently carries；
102, the described height whether the quality of service QoS grade of described high interference business reaches default is detected
The standard QoS grade that interference business is corresponding, does not sends interference overloading alarming to adjacent base station.
Wherein, the executive agent of the present embodiment can be Inter-Cell Interference Coordination device, and described minizone is done
Disturb conditioning unit can be arranged on base station.In actual applications, base station is according to the business mark including business
The service request known, for described traffic assignments Physical Resource Block, and stores described service identification and described thing
The corresponding relation of the mark of reason Resource Block.Therefore, in the present embodiment, described Inter-Cell Interference Coordination device
After determining high interference Physical Resource Block, can according to its most currently stored each Physical Resource Block
Service identification corresponding to mark, determine the business that described high interference Physical Resource Block currently carries.
Optionally, in a kind of embodiment of the present embodiment, described in 102, detect described high level cadre
Whether the quality of service QoS grade of interference service reaches standard QoS that default described high interference business is corresponding
After grade, it is also possible to including:
If the QoS grade of described high interference business is not up to standard QoS etc. that described high interference business is corresponding
Level, then send described interference overloading alarming to described adjacent base station.
Wherein, described specifically may include that to the described adjacent base station described interference overloading alarming of transmission is passed through
X2 interface, sends described interference overloading alarming to described adjacent base station.
Concrete, described interference overloading alarming can include but not limited to described high interference Physical Resource Block
Mark.Described adjacent base station is according to the described interference overloading alarming physical resource corresponding to own edges user
Block is adjusted being specifically as follows, and described adjacent base station, according to the described interference overloading alarming received, is kept away
The Physical Resource Block exempting to have himself like-identified distributes to be in its edge customer himself base station
With described base station overlapping covered in edge customer, thus avoid presence of intercell interference.It is correlated with
Concrete scheme does not repeats them here.
In this embodiment, if the business of high interference Physical Resource Block carrying affects it because of presence of intercell interference
Quality of service is not up to preset requirement, then carry out the scheme of Inter-Cell Interference Coordination, be effectively improved because of community
Between disturb the too low situation of the quality of service caused.
In actual applications, the state of Physical Resource Block mainly includes uplink state and downstream state.Enter one
Step, if the current state of described Physical Resource Block is uplink state, then it is used for judging that it is whether as high level cadre
Disturb the parameter of Physical Resource Block, i.e. uplink interference parameter and specifically include that high interference indicates (High
Interference Indication, be called for short HII) parameter and overload instruction (Overload Indication, letter
Claim OI) parameter；If the current state of described Physical Resource Block is downstream state, then it is used for whether judging it
For the parameter of high interference Physical Resource Block, the most descending interference parameter specifically includes that narrow emission power indicates
(Relative Narrowband TX Power is called for short RNTP).Concrete, if arbitrary above-mentioned parameter
Currency, more than the predetermined threshold value of its correspondence, it is determined that described Physical Resource Block be high interference physics money
Source block.
Concrete, in any of the above-described embodiment, owing to the object of presence of intercell interference is usually limit, community
Signal disturbing between edge user, the most optionally, described determines that high interference Physical Resource Block specifically can wrap
Include:
Obtain the current state of Physical Resource Block corresponding to edge customer；
If the current state of described Physical Resource Block is uplink state, then obtain the upper of described Physical Resource Block
The currency of row interference parameter；
If the currency of arbitrary described uplink interference parameter is corresponding more than the described uplink interference parameter preset
Threshold value, it is determined that described Physical Resource Block is described high interference Physical Resource Block；
If the current state of described Physical Resource Block is downstream state, then obtain under described Physical Resource Block
The currency of row interference parameter；
If the threshold that the currency of described descending interference parameter is corresponding more than the described descending interference parameter preset
Value, it is determined that described Physical Resource Block is described high interference Physical Resource Block.
Wherein, described edge customer is the user being in the edge cover area of base station.Described acquisition limit
The current state of the Physical Resource Block that edge user is corresponding can be for obtaining or edge use described in timing acquisition in real time
The current state of the Physical Resource Block that family is corresponding.
It should be noted that on the described concrete grammar determining high interference Physical Resource Block includes but not limited to
Stating embodiment, it determines that the method for high interference Physical Resource Block is alternatively it it is determined that high interference physics provides
The method of source block, the present embodiment is not limited at this.
Concrete, in any of the above-described embodiment, the quality of service of described detection described high interference business
Whether QoS grade reaches the standard QoS grade that default described high interference business is corresponding, may include that
Obtain the currency of the qos parameter of described high interference business；
Numerical range according to qos parameter corresponding to default each standard QoS grade and described high interference industry
The currency of the qos parameter of business, determines the QoS grade of described high interference business, described high interference business
The currency of qos parameter be in the number of qos parameter corresponding to the QoS grade of described high interference business
In the range of value；
According to the priority of default described each standard QoS grade, if described high interference business being detected
The priority of QoS grade is not less than the priority of standard QoS grade corresponding to described high interference business, then
The QoS grade of described high interference business reaches the standard QoS grade that described high interference business is corresponding, otherwise,
The QoS grade of described high interference business is not up to the standard QoS grade that described high interference business is corresponding.
Wherein, the currency of the qos parameter of described high interference business can be by described high interference business
Corresponding present channel carries out detection and obtains, and standard QoS grade corresponding to described high interference business can root
Set according to the actual demand of user.Concrete, described qos parameter can include but not limited to: during transmission
Prolong (IP Packet Transfer Delay, be called for short IPTD), Delay Variation (IP Packet Dalay Variation,
Be called for short IPDV), packet loss (IP Packet Loss Ratio, be called for short IPLR), error rate (IP Packet Error
Ratio, is called for short IPER).
For concrete example, table 1 is the numerical range of each qos parameter corresponding to each standard QoS grade.
As shown in table 1, described standard QoS grade includes 0-5 level respectively, and its priority is successively decreased successively, U table
Show can be any value.Visible, 5 grades of QoS business needs are minimum, unsecured to performance；0 grade and 2
The propagation delay time of level correspondence is less than 100 milliseconds (millisecond is called for short ms), and time delay is become by 0 grade
Change within being limited in 50ms；1 grade of propagation delay time corresponding with 3 grades less than 400ms, and 1 grade by time
Prolong within change is limited in 50ms；4 grades of corresponding propagation delay times are less than 1000ms, and it is not to time delay
Change limits；In addition to 5 grades, packet loss and error rate all be there are certain requirements by 0-4 level.
In further example, if standard QoS grade corresponding to described high interference business is 1 grade, and root
IPTD=1000ms detected according to the present channel of its correspondence, then according to table 1, presently described high level cadre
The QoS grade of interference service is 4 grades, and the priority of 4 grades is less than 1 grade, therefore, and this high interference business
QoS grade be not up to the standard QoS grade that described high interference business is corresponding.
The most for example, if standard QoS grade corresponding to described high interference business is 2 grades, and according to it
Corresponding present channel detects IPTD=50ms, IPDV=40ms, then according to table 1, and current institute
The QoS grade stating high interference business is 0 grade, and the priority of 0 grade is higher than 2 grades, therefore, and this high level cadre
The QoS grade of interference service reaches the standard QoS grade that described high interference business is corresponding.
Table 1
The structural representation of a kind of Inter-Cell Interference Coordination device that Fig. 2 provides for the embodiment of the present invention two,
As in figure 2 it is shown, described device includes:
Detection module 21, is used for determining that high interference Physical Resource Block is corresponding with described high interference Physical Resource Block
High interference business, described high interference business is the business that described high interference Physical Resource Block currently carries；
Processing module 22, for detecting whether the quality of service QoS grade of described high interference business reaches pre-
If standard QoS grade corresponding to described high interference business, do not send interference to adjacent base station
Overloading alarming
Optionally, in a kind of embodiment of the present embodiment, described device also includes:
Sending module, if the QoS grade for described high interference business is not up to described high interference business pair
The standard QoS grade answered, then send described interference overloading alarming to described adjacent base station.
Concrete, after detection module 21 determines high interference Physical Resource Block and high interference business, processing module
Whether the 22 QoS grades detecting described high interference business are reached for its standard QoS grade preset, if
Reach, the most do not send interference overloading alarming；If not up to, the most described sending module sends to adjacent base station
Interference overloading alarming.Wherein it is possible to send described interference overload by X2 interface to described adjacent base station
Alarm.Its described adjacent base station carries out the concrete side of presence of intercell interference regulation according to described interference overloading alarming
Case does not repeats them here.
In this embodiment, if the business of high interference Physical Resource Block carrying affects it because of presence of intercell interference
Quality of service is not up to preset requirement, then carry out Inter-Cell Interference Coordination, thus be effectively improved because of minizone
Disturb the situation that the quality of service caused is too low.
Optionally, in any of the above-described embodiment, described detection module specifically may include that
First acquiring unit, for obtaining the current state of Physical Resource Block corresponding to edge customer；
Described first acquiring unit, if the current state being additionally operable to described Physical Resource Block is uplink state,
Then obtain the currency of the uplink interference parameter of described Physical Resource Block；
First processing unit, if the currency for arbitrary described uplink interference parameter is described more than preset
The threshold value that uplink interference parameter is corresponding, it is determined that described Physical Resource Block is described high interference Physical Resource Block；
Described first acquiring unit, if the current state being additionally operable to described Physical Resource Block is downstream state,
Then obtain the currency of the descending interference parameter of described Physical Resource Block；
Described first processing unit, if being additionally operable to the currency of described descending interference parameter more than the institute preset
State the threshold value that descending interference parameter is corresponding, it is determined that described Physical Resource Block is described high interference physical resource
Block.
Wherein, described edge customer is the user being in the edge cover area of base station.
Concrete, in any of the above-described embodiment, processing module 22 includes:
Second acquisition unit, for obtaining the currency of the qos parameter of described high interference business；
Second processing unit, for the numerical value of the qos parameter corresponding according to each standard QoS grade preset
The currency of the qos parameter of scope and described high interference business, determines the QoS etc. of described high interference business
Level, the currency of the qos parameter of described high interference business is in the QoS grade pair of described high interference business
In the numerical range of the qos parameter answered；
Described second processing unit, is additionally operable to the priority according to the described each standard QoS grade preset,
If it is corresponding to detect that the priority of the QoS grade of described high interference business is not less than described high interference business
The priority of standard QoS grade, the QoS grade of the most described high interference business reaches described high interference business
Corresponding standard QoS grade, otherwise, the QoS grade of described high interference business is not up to described high interference
The standard QoS grade that business is corresponding.
Wherein, the currency of the qos parameter of described high interference business can be by described high interference business
Corresponding present channel carries out detection and obtains, and standard QoS grade corresponding to described high interference business can root
Set according to the actual demand of user.Concrete, described qos parameter can include but not limited to: during transmission
Prolong (IP Packet Transfer Delay, be called for short IPTD), Delay Variation (IP Packet Dalay Variation,
Be called for short IPDV), packet loss (IP Packet Loss Ratio, be called for short IPLR), error rate (IP Packet Error
Ratio, is called for short IPER).
The Inter-Cell Interference Coordination device that the present embodiment provides, by after determining high interference Physical Resource Block,
If detecting, the quality of service QoS grade of the high interference business that this high interference Physical Resource Block carries reaches pre-
If standard QoS grade corresponding to this high interference business, do not send interference overloading alarming to adjacent base station,
Effectively reduce the signaling interaction times caused because of Inter-Cell Interference Coordination.
It should be noted that the Inter-Cell Interference Coordination device that above-described embodiment provides can realize the present invention in fact
Executing the step of the inter-cell interference coordination method that example provides, concrete methods of realizing does not repeats them here.
One of ordinary skill in the art will appreciate that: realize all or part of step of above-mentioned each method embodiment
Suddenly can be completed by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer can
Read in storage medium.This program upon execution, performs to include the step of above-mentioned each method embodiment；And
Aforesaid storage medium includes: ROM, RAM, magnetic disc or CD etc. are various can store program code
Medium.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (8)
1. an inter-cell interference coordination method, it is characterised in that including:
Determine the high interference business that high interference Physical Resource Block is corresponding with described high interference Physical Resource Block, institute
Stating high interference business is the business that described high interference Physical Resource Block currently carries；
Detect the described high interference industry whether the quality of service QoS grade of described high interference business reaches default
The standard QoS grade that business is corresponding, does not sends interference overloading alarming to adjacent base station；
Whether the quality of service QoS grade of described detection described high interference business reaches default described high level cadre
The standard QoS grade that interference service is corresponding, including:
Obtain the currency of the qos parameter of described high interference business；
Numerical range according to qos parameter corresponding to default each standard QoS grade and described high interference industry
The currency of the qos parameter of business, determines the QoS grade of described high interference business, described high interference business
The currency of qos parameter be in the number of qos parameter corresponding to the QoS grade of described high interference business
In the range of value；
According to the priority of default described each standard QoS grade, if described high interference business being detected
The priority of QoS grade is not less than the priority of standard QoS grade corresponding to described high interference business, then
The QoS grade of described high interference business reaches the standard QoS grade that described high interference business is corresponding, otherwise,
The QoS grade of described high interference business is not up to the standard QoS grade that described high interference business is corresponding.
Method the most according to claim 1, it is characterised in that described detection described high interference business
Quality of service QoS grade whether reach standard QoS grade corresponding to default described high interference business it
After, also include:
If the QoS grade of described high interference business is not up to standard QoS etc. that described high interference business is corresponding
Level, then send described interference overloading alarming to described adjacent base station.
Method the most according to claim 2, it is characterised in that described send to described adjacent base station
Described interference overloading alarming, including:
By X2 interface, send described interference overloading alarming to described adjacent base station.
4. according to the method described in any one of claim 1-3, it is characterised in that described determine high interference
Physical Resource Block, including:
Obtain the current state of Physical Resource Block corresponding to edge customer；
If the current state of described Physical Resource Block is uplink state, then obtain the upper of described Physical Resource Block
The currency of row interference parameter；
If the currency of arbitrary described uplink interference parameter is corresponding more than the described uplink interference parameter preset
Threshold value, it is determined that described Physical Resource Block is described high interference Physical Resource Block；
If the current state of described Physical Resource Block is downstream state, then obtain under described Physical Resource Block
The currency of row interference parameter；
If the threshold that the currency of described descending interference parameter is corresponding more than the described descending interference parameter preset
Value, it is determined that described Physical Resource Block is described high interference Physical Resource Block.
5. an Inter-Cell Interference Coordination device, it is characterised in that including:
Detection module, for determining that high interference Physical Resource Block is corresponding with described high interference Physical Resource Block
High interference business, described high interference business is the business that described high interference Physical Resource Block currently carries；
Processing module, for detecting whether the quality of service QoS grade of described high interference business reaches default
Standard QoS grade corresponding to described high interference business, do not send to adjacent base station and disturbed
Carry alarm；
Described processing module includes:
Second acquisition unit, for obtaining the currency of the qos parameter of described high interference business；
Second processing unit, for the numerical value of the qos parameter corresponding according to each standard QoS grade preset
The currency of the qos parameter of scope and described high interference business, determines the QoS etc. of described high interference business
Level, the currency of the qos parameter of described high interference business is in the QoS grade pair of described high interference business
In the numerical range of the qos parameter answered；
Described second processing unit, is additionally operable to the priority according to the described each standard QoS grade preset,
If it is corresponding to detect that the priority of the QoS grade of described high interference business is not less than described high interference business
The priority of standard QoS grade, the QoS grade of the most described high interference business reaches described high interference business
Corresponding standard QoS grade, otherwise, the QoS grade of described high interference business is not up to described high interference
The standard QoS grade that business is corresponding.
Device the most according to claim 5, it is characterised in that described device also includes:
Sending module, if the QoS grade for described high interference business is not up to described high interference business pair
The standard QoS grade answered, then send described interference overloading alarming to described adjacent base station.
Device the most according to claim 6, it is characterised in that
Described sending module, specifically for by X2 interface, sending described interference to described adjacent base station
Overloading alarming.
8. according to the device described in any one of claim 5-7, it is characterised in that described detection module bag
Include:
First acquiring unit, for obtaining the current state of Physical Resource Block corresponding to edge customer；
Described first acquiring unit, if the current state being additionally operable to described Physical Resource Block is uplink state,
Then obtain the currency of the uplink interference parameter of described Physical Resource Block；
First processing unit, if the currency for arbitrary described uplink interference parameter is described more than preset
The threshold value that uplink interference parameter is corresponding, it is determined that described Physical Resource Block is described high interference Physical Resource Block；
Described first acquiring unit, if the current state being additionally operable to described Physical Resource Block is downstream state,
Then obtain the currency of the descending interference parameter of described Physical Resource Block；
Described first processing unit, if being additionally operable to the currency of described descending interference parameter more than the institute preset
State the threshold value that descending interference parameter is corresponding, it is determined that described Physical Resource Block is described high interference physical resource
Block.
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| CN201310218389.2A CN103327539B (en) | 2013-06-04 | 2013-06-04 | Inter-cell interference coordination method and device |
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| CN201310218389.2A CN103327539B (en) | 2013-06-04 | 2013-06-04 | Inter-cell interference coordination method and device |
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| CN103327539B true CN103327539B (en) | 2016-08-10 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101472339A (en) * | 2007-12-25 | 2009-07-01 | 华为技术有限公司 | Method for coordinating district interference |
| WO2010102424A1 (en) * | 2009-03-12 | 2010-09-16 | 上海贝尔股份有限公司 | Method for allocating same resource for multiple base stations of collaborative mimo and apparatus |
| CN101969370A (en) * | 2010-10-11 | 2011-02-09 | 新邮通信设备有限公司 | Method for coordinating interference between cells |
| CN102088723A (en) * | 2009-12-02 | 2011-06-08 | 大唐移动通信设备有限公司 | Method and device for determining high interference indication (HII) |
-
2013
- 2013-06-04 CN CN201310218389.2A patent/CN103327539B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101472339A (en) * | 2007-12-25 | 2009-07-01 | 华为技术有限公司 | Method for coordinating district interference |
| WO2010102424A1 (en) * | 2009-03-12 | 2010-09-16 | 上海贝尔股份有限公司 | Method for allocating same resource for multiple base stations of collaborative mimo and apparatus |
| CN102088723A (en) * | 2009-12-02 | 2011-06-08 | 大唐移动通信设备有限公司 | Method and device for determining high interference indication (HII) |
| CN101969370A (en) * | 2010-10-11 | 2011-02-09 | 新邮通信设备有限公司 | Method for coordinating interference between cells |
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