CN101572868B - Method and system for notifying interference adjustment - Google Patents
Method and system for notifying interference adjustment Download PDFInfo
- Publication number
- CN101572868B CN101572868B CN 200810088746 CN200810088746A CN101572868B CN 101572868 B CN101572868 B CN 101572868B CN 200810088746 CN200810088746 CN 200810088746 CN 200810088746 A CN200810088746 A CN 200810088746A CN 101572868 B CN101572868 B CN 101572868B
- Authority
- CN
- China
- Prior art keywords
- interference
- adjustment
- enode
- disturb
- indication information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method and a system for notifying interference adjustment. In the method, an evolution node B sends an interference adjustment notifying message through an interface among evolution nodes and at least the interference adjustment notifying message carries the following information: interference adjustment indicating information for indicating whether the interference adjustment is performed or not and a mark of a target cell for notifying. The invention can realize interference control management among base stations so that the inter-cell interference control is timelier and more effective.
Description
Technical field
The present invention relates to moving communicating field, particularly, Notification Method and system are adjusted in the interference that relates in Long Term Evolution (Long TermEvolution the abbreviates LTE as) system.
Background technology
Long Term Evolution (Long Term Evolution is described among the 36300-800, abbreviating LTE as) network is by E-UTRAN (Evolved UTRAN), enode b (Evolved NodeB, abbreviate eNB as) and evolution packet switching center (Evolved Packet Core, abbreviate EPC as) form the network configuration flattening.
Wherein, EUTRAN comprises the set of the eNB that is connected with EPC by the S1 interface, can connect by X2 between the eNB.S1, X2 are logic interfacing.An EPC can manage one or more eNB, and an eNB also can be controlled by a plurality of EPC, and an eNB can manage one or more residential quarters.
In the LTE system, for operator, the most important performance index of wireless access technology and access network are the availability of frequency spectrum and QoS of survice guarantee.In order to reach high spectrum efficiency, when on-premise network, to make frequency duplex factor as one near 1 as far as possible.For gratifying service is provided, need to guarantee user's, particularly Cell Edge User QoS.For adopting OFDM (Orthogonal Frequency Division Multiplexing, abbreviate OFDM as) the LTE system of technology, OFDM (Orthogonal FrequencyDivision Multiple Access, abbreviating OFDMA as) system is the availability of frequency spectrum close to 1 system, the channel frequency at the jointing edge place of two residential quarters may be identical, therefore, subscriber equipment (User Equipment abbreviates UE as) at the cell edge place can produce very strong interference to adjacent residential quarter.Because its physical-layer techniques self does not have inter-cell interference suppression mechanism, be 1 if therefore adopt frequency duplex factor as one, can cause the interference level of minizone to increase, the performance that particularly is positioned at Cell Edge User can be subjected to very big loss.In order to improve the data rate of cell edge, improve the availability of frequency spectrum of system, must effectively control presence of intercell interference.
At present, in order to realize disturbing control, between the base station, transmit uplink load indication, the indication of up high interference and downlink load indication.But present interference control is flexible not enough and not prompt enough effectively.
Summary of the invention
Consider the present interference controlling mechanism underaction that exists in the correlation technique, effective problem not prompt enough and propose the present invention that for this reason, the present invention aims to provide a kind of interference and adjusts Notification Method and system.
According to an aspect of the present invention, provide a kind of interference to adjust Notification Method.
Adjust in the Notification Method according to the interference of the embodiment of the invention, whether enode b sends to disturb by the enode interface adjusts notification message, and adjusts in the notification message in interference at least and carry following information: be used to indicate and carried out disturbing the interference of adjusting to adjust the sign of the Target cell of indication information, notice.
Preferably, before enode b sends interference adjustment notification message, further comprise: enode b receives the interference indication from Target cell; Enode b carries out Interference Detection and/or disturbs adjustment; Enode b disturbs the adjustment indication information according to disturbing the adjustment situation to arrange.
Preferably, said method further comprises: does not disturb under the situation of adjustment the residential quarter under indication information indication enode b is adjusted in interference, and Target cell no longer sends to the residential quarter to disturb in the given time and indicates.Perhaps, do not disturb under the situation of adjustment in the residential quarter of disturb adjusting under the indication information indication enode b, adjust the load of Target cell or adjust the dispatching algorithm of current Resource Block.
Preferably, said method further comprises: carried out disturbing under the situation about adjusting in the residential quarter of disturb adjusting under the indication information indication enode b, Target cell is followed the tracks of processing to the disturbed condition of the Resource Block after adjusting.
According to a further aspect in the invention, provide a kind of interference to adjust reporting system, this system comprises first enode b and second enode b by the communication of enode interface.
In said system, first enode b sends to disturb by the enode interface adjusts notification message, whether wherein, interference is adjusted in the notification message and is carried following information at least: be used to indicate and carried out disturbing the interference of adjusting to adjust the sign of the Target cell of indication information, notice; Second enode b disturbs the adjustment notification message for receiving, and according to disturbing the adjustment indication information to disturb the adjustment of indication strategy and/or local interference to adjust.
Preferably, does not disturb under the situation of adjustment the residential quarter under interference adjustment indication information is indicated first enode b, and second enode b no longer sends to this residential quarter in the given time and disturbs indication.Perhaps, does not disturb under the situation of adjustment the residential quarter under interference adjustment indication information is indicated first enode b, and second enode b is adjusted the load of Target cell or adjusted the dispatching algorithm that current resource is determined.
Preferably, the residential quarter under interference adjustment indication information is indicated first enode b has carried out disturbing under the situation about adjusting, and second enode b is followed the tracks of processing to the disturbed condition of the Resource Block after adjusting.
By above-mentioned at least one technical scheme of the present invention, disturb adjustment to notify by utilizing X2 interface between the base station, to transmit, can carry out managing to disturbing control more comprehensively with flexibly.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of writing, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of adjusting reporting system according to the interference of the embodiment of the invention;
Fig. 2 is the Signalling exchange flow chart of adjusting Notification Method according to the interference of the embodiment of the invention;
Fig. 3 is the detailed process flow chart of adjusting Notification Method according to the interference of the embodiment of the invention.
Embodiment
In order to realize that residential quarter A detects the interference of residential quarter B, except which Resource Block of notifying cell B residential quarter A has high interference, disturb the flexibility of control in order to realize the base station, realize area interference control optimization, residential quarter B also is necessary whether having carried out the adjustment action notice to residential quarter A, like this, residential quarter A can carry out the subsequent interference indication according to this indication information and send strategy and disturb adjustment to handle, such as at residential quarter B be not interference source and can't adjust in, can prevent that residential quarter A from repeating to initiate to require residential quarter B to adjust.
Given this, the embodiment of the invention provides a kind of interference to adjust reporting system and method, in order to realize above-mentioned interference control function.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in restriction the present invention.
System embodiment
According to the embodiment of the invention, at first provide a kind of interference to adjust reporting system, Fig. 1 has provided the structured flowchart of this system, as shown in Figure 1, this system comprises an eNB 10 and the 2nd eNB 20, wherein, above-mentioned an eNB 10 and the 2nd eNB 20 communicate by letter by enode interface (for example, X2 interface).
Particularly, the one eNB 10 sends to disturb by X2 interface and adjusts notification message, wherein, disturb to adjust to carry in the notification message to disturb and adjust relevant information as a result, this relevant information comprises following information at least: the sign of disturbing the Target cell of adjusting indication information, notice; The 2nd eNB 20 is used for receiving the interference adjustment notification message from an eNB 10, and according to disturbing the adjustment indication information to disturb the adjustment of indication strategy and/or local interference to adjust.
Wherein, does not disturb under the situation of adjustment residential quarter under interference adjustment indication information is indicated an eNB, the 2nd eNB can be in the given time no longer the residential quarter under the eNB send and disturb indication, perhaps, the 2nd eNB adjusts the load of Target cell or adjusts the dispatching algorithm of current Resource Block.
On the other hand, the residential quarter under interference adjustment indication information is indicated an eNB has carried out disturbing under the situation about adjusting, and the 2nd eNB follows the tracks of processing to the disturbed condition of the Resource Block after adjusting.
By the above embodiment that provides as can be seen, whether carried out disturbing adjustment by using X2 interface between eNB, to notify, can be so that disturb control more flexibly effectively.
Method embodiment
According to the embodiment of the invention, also provide a kind of interference to adjust Notification Method.As shown in Figure 2, eNB1 is by the enode interface, for example X2 interface (to eNB2) sends to disturb and adjusts notification message, and in disturb adjusting notification message, carry to disturb and adjust relevant information as a result, the following at least information of this relevant information: be used to indicate and whether carried out disturbing the interference of adjusting to adjust the sign of the Target cell of indication information, notice.
Wherein, disturb the adjustment indication information to represent with 1 bit, 1 expression is adjusted, and 0 expression is adjusted; The sign of the Target cell of notice is represented to adjust relevant reciprocity base station affiliated subdistrict with this interference, and the residential quarter of indication is disturbed in the initiation of also namely hereinafter mentioning.
In addition, above-mentioned interference adjustment notification message also can be realized with ACK/NACK message.
Preferably, before eNB1 sends interference adjustment notification message, further comprise: eNB1 receives the interference indication from Target cell; ENB1 carries out Interference Detection and/or disturbs adjustment; Enode b disturbs the adjustment indication information according to disturbing the adjustment situation to arrange.
For example, be not interference source and can't adjust the time at the eNB1 affiliated subdistrict, can not disturb adjustment,
Receive and disturb eNB2 or the Target cell of adjusting notification message to indicate strategy to adjust and/or local interference adjustment according to disturbing the adjustment indication information to disturb.Particularly, does not disturb under the situation of adjustment residential quarter under indication information indication eNB1 is adjusted in interference, Target cell no longer sends to above-mentioned residential quarter in the given time and disturbs indication, perhaps, adjusts the load of Target cell or adjusts the dispatching algorithm of current Resource Block; Carried out disturbing under the situation about adjusting in the residential quarter of disturb adjusting under the indication information indication eNB1, Target cell is followed the tracks of processing to the disturbed condition of the Resource Block after adjusting.
The present invention may be better understood by the following embodiment that provides and in conjunction with Fig. 3.As shown in Figure 3, the detailed process process of one embodiment of the invention is as follows:
Step 302, eNB1 (base station 1) detects this base station affiliated subdistrict A has some Resource Block to be subjected to high interference, periodically or Event triggered ground send to disturb and be indicated to adjacent base station;
Step 304, after eNB2 receives and disturbs indication, can pass through interference detection method, determine that cause of failures has caused interference in the particular resource block of the residential quarter A of this base station affiliated subdistrict B, adjust action according to disturbing adjustment algorithm to disturb, for example, adjust the load of residential quarter B, perhaps adjust current Resource Block and use dispatching algorithm, perhaps, do not allow adjustment then not disturb adjustment because residential quarter B is current;
ENB2 adjusts the result according to current interference and organizes interference to adjust notification message, comprises the Target cell A sign whether residential quarter B adjusts indication, notice;
Step 306, eNB2 sends to disturb to adjust and is notified to eNB1;
Step 308 after eNB1 receives and disturbs the adjustment notice, is carried out subsequent interference according to the information in the interference adjustment notice and is indicated strategy adjustment and local interference to adjust processing.If adjustment has been disturbed in the indication of current interference adjustment notice, then residential quarter A follows the tracks of local resource piece disturbed condition, if reached requirement then attonity; If adjustment is disturbed in the indication of current interference adjustment notice, namely, residential quarter B disturbs adjustment and disturbs because residential quarter B causes, then by disturbing decision algorithm to adjust self, for example, adjust the load of residential quarter A, perhaps adjust current Resource Block and use dispatching algorithm, also can limit a period of time and not initiate identical interference and indicate to residential quarter B.
As mentioned above, in the present invention, consider the demand of disturbing control in the LTE system, utilize to disturb and adjust transmission and the management of notification message between the base station, can realize the inter base station interference control and management, make that the interference control of minizone is more timely and effective, effect is widely also arranged in actual applications.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. one kind is disturbed the adjustment Notification Method, it is characterized in that,
Described enode b receives the interference indication from described Target cell;
Described enode b carries out Interference Detection and/or disturbs adjustment;
Described enode b is adjusted indication information according to disturbing the adjustment situation that described interference is set;
Whether enode b sends to disturb by the enode interface adjusts notification message, and carries following information at least in described interference adjustment notification message: be used to indicate and carried out disturbing the interference of adjusting to adjust the sign of the Target cell of indication information, notice.
2. method according to claim 1, it is characterized in that, does not disturb under the situation of adjustment residential quarter under described interference adjustment indication information is indicated described enode b, and described Target cell no longer sends to described residential quarter in the given time and disturbs indication.
3. method according to claim 1, it is characterized in that, adjust indication information in described interference and indicate the residential quarter under the described enode b not disturb under the situation of adjustment, adjust the load of described Target cell or adjust the dispatching algorithm of current Resource Block.
4. method according to claim 1, it is characterized in that, residential quarter under described interference adjustment indication information is indicated described enode b has carried out disturbing under the situation about adjusting, and described Target cell is followed the tracks of processing to the disturbed condition of the Resource Block after adjusting.
5. one kind is disturbed the adjustment reporting system, comprises by first enode b and second enode b of the communication of enode interface, it is characterized in that:
Described first enode b is used for receiving the interference indication from described Target cell; Carry out Interference Detection and/or disturb adjustment; And, adjust indication information according to disturbing the adjustment situation that described interference is set; And pass through the transmission of enode interface and disturb the adjustment notification message, wherein, described interference is adjusted in the notification message and is carried following information at least: be used to indicate the sign that the Target cell of indication information, notice is adjusted in the interference of whether having carried out the interference adjustment;
Described second enode b is used for the described interference of reception and adjusts notification message, and adjusts indication information according to described interference and disturb the adjustment of indication strategy and/or local the interference to adjust.
6. system according to claim 5, it is characterized in that, does not disturb under the situation of adjustment residential quarter under described interference adjustment indication information is indicated described first enode b, and described second enode b no longer sends to described residential quarter in the given time and disturbs indication.
7. system according to claim 5, it is characterized in that, does not disturb under the situation of adjustment residential quarter under described interference adjustment indication information is indicated described first enode b, and described second enode b is adjusted the load of described Target cell or adjusted the dispatching algorithm of current Resource Block.
8. system according to claim 5, it is characterized in that, residential quarter under described interference adjustment indication information is indicated described first enode b has carried out disturbing under the situation about adjusting, and described second enode b is followed the tracks of processing to the disturbed condition of the Resource Block after adjusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810088746 CN101572868B (en) | 2008-05-04 | 2008-05-04 | Method and system for notifying interference adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810088746 CN101572868B (en) | 2008-05-04 | 2008-05-04 | Method and system for notifying interference adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101572868A CN101572868A (en) | 2009-11-04 |
| CN101572868B true CN101572868B (en) | 2013-08-07 |
Family
ID=41232075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810088746 Expired - Fee Related CN101572868B (en) | 2008-05-04 | 2008-05-04 | Method and system for notifying interference adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101572868B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102065549A (en) * | 2009-11-16 | 2011-05-18 | 中国移动通信集团公司 | Interference management method and system in wireless layering network and base station |
| CN102238583B (en) * | 2010-04-28 | 2015-09-16 | 中兴通讯股份有限公司 | A kind of method and system determining interference source |
| CN106612520A (en) * | 2015-10-26 | 2017-05-03 | 普天信息技术有限公司 | Method and device for reporting interference |
| JP6729850B2 (en) | 2016-07-25 | 2020-07-29 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | Scheduling method, power control method, base station, and program |
| CN109565845B (en) * | 2017-07-24 | 2023-05-23 | 北京小米移动软件有限公司 | Method and device for controlling interference of controllable equipment |
| WO2019028750A1 (en) | 2017-08-10 | 2019-02-14 | 北京小米移动软件有限公司 | Method and device for controlling interference |
| CN110831043B (en) * | 2018-08-10 | 2022-09-27 | 维沃移动通信有限公司 | Interference processing method, device and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039235A (en) * | 2007-03-12 | 2007-09-19 | 杭州华为三康技术有限公司 | Method and apparatus for adjusting anti-interference of accessing point |
| CN101132190A (en) * | 2007-09-28 | 2008-02-27 | 中兴通讯股份有限公司 | Method for automatically controlling subdistrict interference |
-
2008
- 2008-05-04 CN CN 200810088746 patent/CN101572868B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039235A (en) * | 2007-03-12 | 2007-09-19 | 杭州华为三康技术有限公司 | Method and apparatus for adjusting anti-interference of accessing point |
| CN101132190A (en) * | 2007-09-28 | 2008-02-27 | 中兴通讯股份有限公司 | Method for automatically controlling subdistrict interference |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101572868A (en) | 2009-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11166331B2 (en) | Apparatus configured to report aperiodic channel state information for dual connectivity | |
| US11304150B2 (en) | Method and apparatus for reporting maximum transmission power in wireless communication | |
| JP6579251B2 (en) | Communication system, radio base station, and radio base station control method | |
| US11147024B2 (en) | Method and apparatus for reporting maximum transmission power in wireless communication | |
| US9049714B2 (en) | Inter-cell interference coordination method and apparatus for an OFDM-based heterogeneous cellular system | |
| CN105144805B (en) | Transmission/reception of uplink control information in wireless network | |
| EP1575326B1 (en) | System and method for managing a band AMC subchannel in an orthogonal frequency division multiple access communication system | |
| CN103329602B (en) | Uplink transmission power configuration method and device for GSM | |
| CN101572868B (en) | Method and system for notifying interference adjustment | |
| US9532364B2 (en) | Base station and communication control method | |
| CN102056178B (en) | Interference coordination method among cells and a basestation | |
| JP5077485B2 (en) | Base station apparatus, radio communication system, base station control method, and radio communication system control method | |
| CN101300782B (en) | Radio telecommunication system | |
| CN103561438A (en) | Signalling of resource status information between base stations for load balancing | |
| EP2409512A1 (en) | Signaling mechanisms for network-relay interface with reduced overhead | |
| KR20070119179A (en) | Method for transmitting common control information in wireless mobile communication system | |
| WO2015194662A1 (en) | Terminal device, base station device, and communication method | |
| KR20100112329A (en) | Scheduling control system for wireless telecommunication and method thereof | |
| CN102196541B (en) | Method and system for realizing multi-carrier enhanced uplink access power sharing management | |
| CN101491047A (en) | Unequal error protection for a multicarrier transmission | |
| CN104080157B (en) | The ascending power control method of colony terminal | |
| US20140092858A1 (en) | Method and user equipment for determining scheduling grant | |
| CN105025581A (en) | Uplink carrier wave radio resource allocation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20200504 |