CN101860869B - Method and system for transmitting inter cell interference coordination indication information - Google Patents
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Abstract
The invention discloses a method and system for transmitting inter cell interference coordination (ICIC) indication information. The method comprises the following steps: a cell transmits the ICIC indication information to an adjacent cell via an operation and management network element, wherein the ICIC indication information is used for realizing ICIC arithmetic function. The invention solves the problem in the related art that ICIC indication information transfer can not be realized because no X2 interfaces exist between the home base stations and between the home base stations and the macro base stations and further realizes transfer of the ICIC indication information by the home base stations.
Description
Technical field
The present invention relates to the communications field, in particular to sending method and the system of a kind of inter cell interference coordination (Inter Cell Interference Coordination, referred to as ICIC) indication information.
Background technology
At present, Long Term Evolution (Long-Term Evolution, referred to as LTE) system physical layer adopt be OFDM (Orthogonal Frequency DivisionMultiplexing, referred to as OFDM) technology, OFDM technology has certain advantage when solving the problem of interference in community (sector) than code division multiple access (Code Division Multiple Access, referred to as CDMA) technology.But interference problem may be more serious than cdma system between the community that ofdm system brings, be particularly with time frequently between adjacent area.The thought of ICIC technology, carries out physical source distributing coordination between neighbor cell exactly, disturbs (ICI) to avoid or to reduce between community.
Particularly, for up, when serving BS is dispatched to the subscriber equipment of cell edge (User Equipment, referred to as UE) Physical Resource Block (Physical ResourceBlock, referred to as PRB) account for the ratio of the total PRB in community higher time, this serving BS sends strong jamming instruction (High Interference Indication, referred to as HII) to adjacent base station, represents that this community is about to strong jamming occurs at these PRB.Try not when dispatching as edge customer and Signal Interference and Noise Ratio (SignalInterference and Noise Ratio, referred to as SINR) require that higher central user distributes these PRB in the neighbor cell receiving HII instruction.When serving BS detects that uplink interference is larger time, send overload instruction (Overload Indication, referred to as OI) to adjacent base station, represent that community strong jamming occurs at these PRB.Can take from falling jamming countermeasure after neighbor cell receives OI report, namely this Cell Edge User is checked whether with the PRB that OI is higher in neighbor cell, if had, then considers to fall power, if can't reduce interference, then adjusts the running time-frequency resource of this UE.
For descending, serving BS adopts Relative Narrowband TX Power instruction (RelativeNarrowband TX Power, referred to as RNTP) tell that the user emission power on the PRB indicated by adjacent base station can exceed certain thresholding, adjacent base station receive RNTP instruction after with reference to above-mentioned information determination scheduling resource.
In order to tackle the challenge of Wireless Fidelity (Wireless Fidelity, referred to as WiFi), covering power in enhanced room, adds Home eNodeB in LTE system.The access module of Home eNodeB has three kinds: open, close with mixing.The Home eNodeB of closed mode only allows the user's access through authorizing, as the user such as kinsfolk, member of community, these are called non-public authorized user group (Closed Subscriber Group through the user authorized, be called for short CSG), authorization message is stored in the Subscriber Identity Module (Universal SubscriberIdentity Module, referred to as USIM) of UE.
Home eNodeB can use operator to be the frequency resource that all Home eNodeB are reserved specially, and also can use the frequency resource identical with macro base station, the community that macro base station covers is called macrocell, and accordingly, the community that Home eNodeB covers is called CSG cell.Because Home eNodeB has mobility as the privately owned equipment of user, and the users of power of Home eNodeB can independently be reconciled, along with a large amount of deployment of Home eNodeB, after Home eNodeB increases, interference problem is except the interference between existing macrocell and macrocell, add the interference between macrocell and CSG cell, and the interference between CSG cell and CSG cell.
At third generation partner program (3rd Generation Partnership Project, referred to as 3GPP) explanation on agreement TS 36.423 V8.3.0, indication information (OI HII RNTP etc.) for ICIC function is all transmitted by the Payload message (LOAD INFORMATION) of X2 interface between macro base station and macro base station, X2 interface is not had between current Home eNodeB and between Home eNodeB and macro base station, the disappearance of Home eNodeB ICIC function can be caused like this, therefore, need to adopt alternative to solve the transmission of ICIC indication information.
For the problem that cannot realize the transmission of ICIC indication information in correlation technique between Home eNodeB and between Home eNodeB and macro base station owing to not having X2 interface, at present effective solution is not yet proposed.
Summary of the invention
Cannot realize the problem of ICIC indication information transmission for Home eNodeB in correlation technique owing to not having X2 interface and propose the present invention, for this reason, main purpose of the present invention is the delivery plan providing a kind of ICIC indication information, to solve the problem.
To achieve these goals, according to an aspect of the present invention, a kind of sending method of inter cell interference coordination ICIC indication information is provided.
Sending method according to inter cell interference coordination ICIC indication information of the present invention comprises: community sends ICIC indication information by operation and managed network element to abutting subdistrict, and wherein, ICIC indication information is used for realizing ICIC algorithm function.
Preferably, community sends ICIC indication information by operation and managed network element to abutting subdistrict and comprises: community sends ICIC indication information to operating with managed network element, wherein, carries the mark of abutting subdistrict in ICIC indication information; Operation and managed network element receive ICIC indication information, and according to mark wherein, ICIC indication information are sent to abutting subdistrict.
Preferably, community is sent ICIC indication information to abutting subdistrict comprised by operation and managed network element: community is to operate and managed network element sends ICIC indication information; Operation and managed network element receive ICIC indication information, and determine abutting subdistrict according to ICIC indication information; ICIC indication information is sent to the abutting subdistrict determined by operation and managed network element.
Preferably, ICIC indication information sends to abutting subdistrict to comprise by operation and managed network element: operate the Target cell sent by ICIC indication information with managed network element is that the ICIC indication information of same abutting subdistrict carries out merging treatment, and the ICIC indication information after processing is sent to same abutting subdistrict.
Wherein, in community by operation with managed network element to after abutting subdistrict sends ICIC indication information, said method also comprises: abutting subdistrict reception from the ICIC indication information of community, and carries out ICIC algorithm process according to ICIC indication information.
Preferably, the information content of ICIC indication information at least comprises following one or more: the information of the information of overload instruction, the information of strong jamming instruction, Relative Narrowband TX Power instruction.
Preferably, community and/or abutting subdistrict comprise one of following: non-public authorized user group community CSG cell, macrocell.
To achieve these goals, according to a further aspect in the invention, a kind of transmitting system of inter cell interference coordination ICIC indication information is provided.
According to the transmitting system of inter cell interference coordination ICIC indication information of the present invention, comprise community and operation and managed network element, this community comprises: the first sending module, for sending ICIC indication information to operation and managed network element, wherein, ICIC indication information is used for realizing ICIC algorithm function; This operation and managed network element comprise: receiver module, for receiving the ICIC indication information from community; Second sending module, the ICIC indication information for being received by receiver module sends to the abutting subdistrict of community.
Preferably, the mark of abutting subdistrict is carried in above-mentioned ICIC indication information, aforesaid operations and managed network element also comprise: processing module, Target cell for the ICIC indication information transmission received by receiver module is that the ICIC indication information of same abutting subdistrict carries out merging treatment, so that the ICIC indication information after process is sent to same abutting subdistrict by the second sending module.
Preferably, aforesaid operations and managed network element also comprise: determination module, determine abutting subdistrict for the ICIC indication information received according to receiver module, so that ICIC indication information is sent to the abutting subdistrict determined by the second sending module.
Pass through the present invention, adopt the method being transmitted ICIC indication information between community by O & M, solve in correlation technique the problem that cannot realize ICIC indication information between Home eNodeB and between Home eNodeB and macro base station owing to not having X2 interface and transmit, and then achieve the transmission of Home eNodeB to ICIC indication information.For between macro base station and macro base station, if there is no X2 interface, this technology also can be adopted to realize the transmission of ICIC indication information between macro base station.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the home base station network structure for implementing the embodiment of the present invention;
Fig. 2 is the schematic diagram of the home base station network topological structure for implementing the embodiment of the present invention;
Fig. 3 is the flow chart according to the O & M of the embodiment of the present invention one, ICIC Indication message being carried out to transparent transmission process;
Fig. 4 is the flow chart carrying out merging treatment according to the ICIC Indication message of O & M to same Target cell of the embodiment of the present invention two;
Fig. 5 determines Target cell according to the O & M of the embodiment of the present invention three, and carries out the flow chart of merging treatment to ICIC Indication message;
Fig. 6 is the structured flowchart of the transmitting system of ICIC indication information according to the embodiment of the present invention;
Fig. 7 is the concrete structure block diagram of the transmitting system according to the embodiment of the present invention.
Embodiment
Functional overview
Consider in correlation technique the problem that cannot realize ICIC indication information between Home eNodeB and between Home eNodeB and macro base station owing to not having X2 interface and transmit, embodiments provide a kind of delivery plan of ICIC indication information, ICIC indication information is transmitted by O & M between community, namely, community sends ICIC indication information for realizing ICIC algorithm function by O & M to abutting subdistrict, can to realize between Home eNodeB and the transmission of ICIC indication information between Home eNodeB and macro base station.The present invention is also applicable to the situation not having X2 interface between macro base station and macro base station.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 1 is the schematic diagram of the home base station network structure for implementing the embodiment of the present invention, as shown in Figure 1, Home eNodeB 1, Home eNodeB 2...... and Home eNodeB N are connected to operation and management (Operation & Management, referred to as O & M) network element.
Embodiment of the method
According to embodiments of the invention, provide a kind of sending method of ICIC indication information, be applied in LTE system.The method comprises: community sends ICIC indication information by O & M to abutting subdistrict, and wherein, ICIC indication information is used for realizing ICIC algorithm function.
Wherein, for the determination of abutting subdistrict, that is, there is the abutting subdistrict which ICIC algorithm is relevant Serving cell, can judge to determine in Shi Yougai community, also can be judged to determine by O & M, determine that the implementation procedure of mode is described below to two kinds.
(1) abutting subdistrict is determined by this community
This community sends ICIC indication information to O & M, wherein, carries the mark of abutting subdistrict in ICIC indication information, and O & M receives ICIC indication information, according to mark wherein, ICIC indication information is sent to abutting subdistrict.
(2) O & M determines abutting subdistrict
This community sends ICIC indication information to O & M, and O & M receives ICIC indication information, and determines abutting subdistrict according to ICIC indication information, and then, ICIC indication information is sent to the abutting subdistrict determined by O & M.
Wherein, the Target cell that ICIC indication information sends can be that the ICIC indication information of same abutting subdistrict carries out merging treatment by O & M, and the ICIC indication information after process is sent to same abutting subdistrict.This merging process is applicable to two schemes.
After this, abutting subdistrict receives the ICIC indication information from this community, and can carry out ICIC algorithm process according to ICIC indication information.
Wherein, the information content of above-mentioned ICIC indication information can comprise following one or more: the information of the information of OI, the information of HII, RNTP, the information of default (newly defining).Wherein, in order to save interface-free resources, the ICIC indication information of this new definition is for instruction unit with multiple Physical Resource Block or frequency range.
Wherein, this community and/or abutting subdistrict can comprise one of following: non-public authorized user group CSG cell, macrocell.
Wherein, ICIC indication information can be send to CSG cell by CSG cell, can be send to macrocell by CSG cell, can send to CSG cell by macrocell, can also be send to macrocell by macrocell.
Wherein, " adjoin " relation between described community, comprising between community is neighbouring relations, comprises, or involved relation.
It should be noted that, the O & M function that ICIC is relevant can be in the upper realization of home base station management system (HomeNodeB Management System, referred to as HMS).
By this embodiment, adopt the method being transmitted ICIC indication information between community by O & M, solve Home eNodeB in correlation technique cannot realize the transmission of ICIC indication information problem owing to not having X2 interface, and then achieve the transmission of Home eNodeB to ICIC indication information.
Be described in detail below in conjunction with the implementation procedure of example to the embodiment of the present invention.
Fig. 2 is the schematic diagram of the network topology structure of community for implementing the embodiment of the present invention, as shown in Figure 2, CSG cell 1 is adjacent with CSG cell 2 ~ 7, and CSG cell 1 ~ 7 all uses identical frequency range, belong to co-frequency cell, the bandwidth of each community is all 5M (25PRB).Have 4 UE in CSG cell 1, wherein, UE1 and UE2 belongs to Cell Edge User.In CSG cell 4, have 2 UE, wherein, UE8 belongs to Cell Edge User.The user situation of other each CSG cell also as shown in Figure 2.Below the network topology structure based on Fig. 2 is described example of the present invention.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of the following drawings, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
Embodiment one
When CSG cell dispatch to the PRB quantity of edge customer account for total PRB quantity reach certain thresholding time, need notice adjacent area around, the situation of its strong jamming PRB, these PRB, when scheduling its edge UE, are avoided in adjacent area as far as possible.Suppose that the thresholding that backstage configures is 60%.
Fig. 3 is the flow chart according to the O & M of the embodiment of the present invention one, ICIC Indication message being carried out to transparent transmission process, and as shown in Figure 3, this flow process specifically comprises following step 301 to step 304:
Step 301: connect between UE1 and UE2 in CSG cell 1 and community, carry out data upload and download, the up PRB quantity taken is 16 PRB, CSG cell 1 judges whether the ratio that PRB that edge UE uses accounts for total PRB exceedes threshold value, when the ratio that the PRB that edge UE uses accounts for total PRB quantity exceedes the threshold value 60% of configuration, then notify that neighbor cell carries out falling interference process.
Step 302:CSG community 1 sends the interfere information (that is, sending ICIC indication information) of each PRB of CSG cell 1 to O & M, represent that these PRB have distributed to the edge customer use of community 1.
Step 303:O & M is according to after the ICIC indication information of the CSG cell 1 received, and the Target cell CSG cell 4 directly to ICIC Indication message sends the ICIC indication information of CSG cell 1.
Step 304: adjacent area CSG cell 4 is after receiving the ICIC indication information of CSG cell 1, and obtain the interfere information of each PRB of CSG cell 1, then, CSG cell 4, when carrying out scheduling of resource to UE8, avoids these PRB.The process of the similar CSG cell 4 of process of other adjacent areas.
By this embodiment, achieve, by O & M, ICIC Indication message is carried out transparent transmission process.
Embodiment two
Fig. 4 carries out merging treatment flow chart according to the ICIC Indication message of O & M to same Target cell of the embodiment of the present invention two, and as shown in Figure 4, this flow process specifically comprises following step 401 to step 404:
Step 401: when CSG cell 2/3/4/5/6/7 detects that some PRB uplink interference is larger time, then notify that neighbor cell carries out falling interference process.
Step 402:CSG community 2/3/4/5/6/7 sends CSG cell 2/3/4/5/6/7 to O & M and transships (namely on these PRB, send ICIC indication information), ICIC indication information here represents that CSG cell 2/3/4/5/6/7 strong jamming occurs at these PRB.In these ICIC indication informations, Target cell is had to be CSG cell 1.
Step 403:O & M is according to all ICIC indication informations of the CSG cell 2/3/4/5/6/7 received, the content of these ICIC indication informations comprehensive, find in these ICIC indication informations, Target cell is had to be CSG cell 1, O & M sends ICIC indication information from CSG cell 2/3/4/5/6/7 to CSG cell 1.
After step 404:CSG community 1 receives the ICIC indication information of O & M transmission, take from falling jamming countermeasure, namely CSG cell 1 checks this Cell Edge User UE1 and UE2 whether with PRB CSG cell 1 occurring transship, if find that UE1 and UE2 has the PRB using and overload occurs, then consider to carry out falling power to UE1 and UE2, if can't interference be reduced, then adjust the frequency resource of UE1 and UE2, avoid using PRB CSG cell 2/3/4/5/6/7 occurring transship.
By this embodiment, achieve after the ICIC Indication message of O & M to same Target cell carries out merging treatment and transmit again.
Embodiment three
Fig. 5 determines Target cell according to the O & M of the embodiment of the present invention three, and carries out the flow chart of merging treatment to ICIC Indication message, and as shown in Figure 5, this flow process specifically comprises following step 501 to step 504:
Step 501: when CSG cell 2/3/4/5/6/7 detects that some PRB uplink interference is larger time, then notify that neighbor cell carries out falling interference process.
Step 502:CSG community 2/3/4/5/6/7 sends CSG cell 2/3/4/5/6/7 to O & M and transships (namely on these PRB, send ICIC indication information), namely represent that CSG cell 2/3/4/5/6/7 strong jamming occurs at these PRB.In these ICIC indication informations, there is no indicating target community ID.
Step 503:O & M is according to all ICIC indication informations of the CSG cell 2/3/4/5/6/7 received, the content of these ICIC indication informations comprehensive, due in these ICIC indication informations, there is no Target cell ID, O & M judges that these CSG cell have common adjacent area CSG cell 1, then, O & M sends the ICIC indication information of CSG cell 2/3/4/5/6/7 to CSG cell 1.
Step 504:CSG community 1 can be taked after receiving the ICIC Indication message of O & M transmission from falling jamming countermeasure, namely CSG cell 1 checks this Cell Edge User UE1 and UE2 whether with PRB CSG cell 1 occurring transship, if find that UE1 and UE2 has the PRB using and overload occurs, then consider to carry out falling power to UE1 and UE2, if can't interference be reduced, then adjust the frequency resource of UE1 and UE2, avoid using PRB CSG cell 2/3/4/5/6/7 occurring transship.
By this embodiment, achieve O & M and determine Target cell, and transmit again after merging treatment is carried out to ICIC Indication message.
System embodiment
According to embodiments of the invention, provide a kind of transmitting system of ICIC indication information, this transmitting system may be used for the sending method realizing above-mentioned ICIC indication information.
Fig. 6 is the structured flowchart of the transmitting system of ICIC indication information according to the embodiment of the present invention, and as shown in Figure 6, this transmitting system comprises community and O & M, and wherein, this community comprises: the first sending module 62; O & M comprises: receiver module 64 and the second sending module 66, be described said structure below.
The first sending module 62 in above-mentioned community, for sending ICIC indication information to O & M, wherein, ICIC indication information is used for realizing ICIC algorithm function; Receiver module 64 in above-mentioned O & M is connected to the first sending module 62 in community, for receiving the ICIC indication information from community; The second sending module 66 in O & M is connected to receiver module 64, and the ICIC indication information for being received by receiver module 64 sends to the abutting subdistrict of community.
Wherein, for the determination of abutting subdistrict, namely, there is the abutting subdistrict which ICIC algorithm is relevant Serving cell, can judge to determine in Shi Yougai community, also can be judged to determine by O & M, determine that the structure of this transmitting system is described under mode to two kinds below.
Fig. 7 is the concrete structure block diagram of the transmitting system according to the embodiment of the present invention, and as shown in Figure 7, this O & M also comprises: processing module 72 or determination module 74, be described said structure below.
(1) abutting subdistrict is determined by this community
This community sends ICIC indication information to O & M, wherein, carries the mark of abutting subdistrict in ICIC indication information, and O & M receives ICIC indication information, according to mark wherein, ICIC indication information is sent to abutting subdistrict.
(2) O & M determines abutting subdistrict
At the first sending module 62 to after O & M sends ICIC indication information, the receiver module 64 of O & M receives ICIC indication information.
Under this processing mode, this O & M can also comprise: determination module 74 is connected to receiver module 64 and the second sending module 66, ICIC indication information for receiving according to receiver module 64 determines abutting subdistrict, so that ICIC indication information is sent to the abutting subdistrict determined by the second sending module.
Wherein, this O & M can also comprise: processing module 72, this processing module 72 is connected to receiver module 64, determination module 74 and the second sending module 66, for receiver module 64 is received or Target cell that ICIC indication information that determination module 74 is determined sends be that the ICIC indication information of same abutting subdistrict carries out merging treatment, so that the ICIC indication information after process is sent to same abutting subdistrict by the second sending module 66.
By this embodiment, this transmitting system sends ICIC indication information by O & M to its abutting subdistrict, and then achieves the transmission of Home eNodeB to ICIC indication information.
In sum, pass through the above embodiment of the present invention, O & M network element is adopted to transmit the method for ICIC indication information, solve Home eNodeB in correlation technique cannot realize the transmission of ICIC indication information problem owing to not having X2 interface, and then achieve the transmission of Home eNodeB to ICIC indication information.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
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. a sending method for inter cell interference coordination ICIC indication information, is characterized in that, comprising:
Community sends ICIC indication information by operation and managed network element to abutting subdistrict, wherein, described ICIC indication information is used for realizing ICIC algorithm function, and described community and/or described abutting subdistrict comprise one of following: non-public authorized user group CSG cell, macrocell.
2. method according to claim 1, is characterized in that, described community sends described ICIC indication information by described operation and managed network element to described abutting subdistrict and comprises:
Described community sends described ICIC indication information to described operation and managed network element, wherein, carries the mark of described abutting subdistrict in described ICIC indication information;
Described operation and managed network element receive described ICIC indication information, and according to described mark wherein, described ICIC indication information are sent to described abutting subdistrict.
3. method according to claim 1, is characterized in that, described community sends described ICIC indication information by described operation and managed network element to described abutting subdistrict and comprises:
Described community sends described ICIC indication information to described operation and managed network element;
Described operation and managed network element receive described ICIC indication information, and determine described abutting subdistrict according to described ICIC indication information;
Described ICIC indication information is sent to the described abutting subdistrict determined by described operation and managed network element.
4. according to the method in claim 2 or 3, it is characterized in that, described ICIC indication information sends to described abutting subdistrict to comprise by described operation and managed network element:
The ICIC indication information that the Target cell that described ICIC indication information sends is same abutting subdistrict is carried out merging treatment by described operation and managed network element, and the described ICIC indication information after process is sent to described same abutting subdistrict.
5. according to the method in any one of claims 1 to 3, it is characterized in that, after described community sends described ICIC indication information by described operation and managed network element to described abutting subdistrict, described method also comprises:
Described abutting subdistrict receives the described ICIC indication information from described community, and carries out ICIC algorithm process according to described ICIC indication information.
6. according to the method in any one of claims 1 to 3, it is characterized in that, the information content of described ICIC indication information comprises following one or more:
The information of the information of overload instruction, the information of strong jamming instruction, Relative Narrowband TX Power instruction.
7. a transmitting system for inter cell interference coordination ICIC indication information, comprises community and operation and managed network element, it is characterized in that,
Described community comprises:
First sending module, for sending ICIC indication information to operation and managed network element, wherein, described ICIC indication information is used for realizing ICIC algorithm function;
Described operation and managed network element comprise:
Receiver module, for receiving the described ICIC indication information from described community;
Second sending module, the described ICIC indication information for being received by described receiver module sends to the abutting subdistrict of described community;
Wherein, described community and/or described abutting subdistrict comprise one of following: non-public authorized user group CSG cell, macrocell.
8. system according to claim 7, is characterized in that, carry the mark of abutting subdistrict in described ICIC indication information, described operation and managed network element also comprise:
Processing module, Target cell for the described ICIC indication information transmission received by described receiver module is that the ICIC indication information of same abutting subdistrict carries out merging treatment, so that the described ICIC indication information after process is sent to described same abutting subdistrict by described second sending module.
9. system according to claim 7, is characterized in that, described operation and managed network element also comprise:
Determination module, determines described abutting subdistrict for the described ICIC indication information received according to described receiver module, so that described ICIC indication information is sent to the described abutting subdistrict determined by described second sending module.
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| CN105101377B (en) * | 2012-02-24 | 2018-11-02 | 电信科学技术研究院 | A kind of resource regulating method and device |
| WO2013134946A1 (en) * | 2012-03-16 | 2013-09-19 | 富士通株式会社 | Operation carrier selection method, micro base station, and macro base station |
| WO2014019121A1 (en) | 2012-07-30 | 2014-02-06 | 华为技术有限公司 | Method for coordinating interferences in lte system |
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| CN1863365A (en) * | 2006-02-21 | 2006-11-15 | 华为技术有限公司 | System for maintaining mobile communication network and method thereof |
| CN101202974A (en) * | 2006-12-15 | 2008-06-18 | 华为技术有限公司 | System, base station and method for multi-standard base station intercommunication |
| CN101360321A (en) * | 2007-08-03 | 2009-02-04 | 阿尔卡特朗讯 | Reducing interference in a cellular radio communication network |
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| CN1863365A (en) * | 2006-02-21 | 2006-11-15 | 华为技术有限公司 | System for maintaining mobile communication network and method thereof |
| CN101202974A (en) * | 2006-12-15 | 2008-06-18 | 华为技术有限公司 | System, base station and method for multi-standard base station intercommunication |
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