CN101494476A - Method and system for scheduling resource block - Google Patents
Method and system for scheduling resource block Download PDFInfo
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- CN101494476A CN101494476A CNA2008100070028A CN200810007002A CN101494476A CN 101494476 A CN101494476 A CN 101494476A CN A2008100070028 A CNA2008100070028 A CN A2008100070028A CN 200810007002 A CN200810007002 A CN 200810007002A CN 101494476 A CN101494476 A CN 101494476A
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- 241000760358 Enodes Species 0.000 claims abstract description 58
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- 230000007774 longterm Effects 0.000 claims description 8
- 238000005305 interferometry Methods 0.000 claims description 6
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Abstract
The invention provides a resource block scheduling method and a system thereof, wherein, the method comprises the following steps: eNode B is a resource block integration which is maintained and is carried with indicating information of interference degree; when a terminal needs to transmit upstream data, the eNode B determines the interference of the terminal according to the position information and transmitting power of the terminal; and the eNode B distributes the corresponding resource blocks in the integration of the resource blocks according to the determined interference of the terminal. By distributing corresponding resource blocks according to the interference of the terminal, the invention can guarantee that each terminal distributes RB with lower interference degree, thus being capable of reducing the interference among cells, guaranteeing the service quality and being beneficial to improving the system throughput and the sensitivity of the user.
Description
Technical field
The present invention relates to LTE (Long Term Evolution, Long Term Evolution) system, particularly, relate to the resource block scheduling method and system, be used for resisting or controlling the uplink interference of LTE network.
Background technology
In Long Term Evolution (Long Term Evolution abbreviates LTE as) system, the subscriber equipment (User Equipment abbreviates UE as) that is in cell edge may have higher transmitting power than the UE that is in inside, sub-district.In order to make the signal of outside UE and inner UE receive identical signal strength signal intensity at Node B (Node B), outside UE must go to remedy the loss in path with higher transmitting power.Simultaneously, the distance of the outside of a sub-district (that is edge) UE and another sub-district is shorter to the distance of this sub-district than the inside UE of another sub-district.
For above-mentioned reasons, there is not a yard subsystem owing in the LTE system simultaneously, and the frequency difference between different districts, therefore often cause up existence to be disturbed, the existence of disturbing has reduced user's data speed and accuracy, when serious even may cause the sub-district unavailable.
Therefore, a kind of anti-interference mechanism of needs is avoided the interference conflict between the different districts UE.
Summary of the invention
Consider the problem that has uplink interference that exists in the correlation technique and propose the present invention, for this reason, the present invention aims to provide a kind of resource block scheduling method and system.
According to an aspect of the present invention, provide a kind of resource block scheduling method, be used for the uplink interference control of the LTE network system.
This method comprises following processing: eNode B carries the Resource Block set of degree of disturbance indication information for each cell maintenance; When terminal needed transmit ascending data, eNode B determined the interference of terminal according to location information of terminals and transmitting power; ENode B is according to the respective resources piece in the interference Resources allocation set of blocks of the terminal of determining.
Wherein, the operation of above-mentioned eNode B maintenance resources set of blocks is specially: eNode B sets up the Resource Block set for each sub-district, wherein, each Resource Block in the Resource Block set all carries the degree of disturbance indication information, and the initial value of degree of disturbance indication information all is set to 0; ENode B obtains the degree of disturbance of each Resource Block, and upgrades the initial value of the degree of disturbance indication information of each Resource Block with the degree of disturbance that obtains; ENode B adjusts the degree of disturbance of each Resource Block.
Preferably, the eNode B operation of obtaining the degree of disturbance of each Resource Block specifically comprises following any and combination thereof: eNode B carries out interferometry to this sub-district, obtains the degree of disturbance of each Resource Block; Screen wherein each the Resource Block in usefulness each adjacent sub-district, obtain the situation that may form the Resource Block that disturbs to this sub-district, and reporting this sub-district, the situation of the Resource Block that eNode B reports according to each adjacent sub-district is obtained the degree of disturbance of each Resource Block; Wherein, this sub-district is the sub-district at terminal place, and adjacent sub-district is adjacent with this sub-district or contiguous sub-district.
Preferably, eNode B screens according to location information of terminals and transmitting power when each Resource Block in usefulness screens in each adjacent sub-district.
Preferably, the operation that eNode B adjusts the degree of disturbance of each Resource Block specifically comprises: when the quantity that eNode B monitors the lower Resource Block of the degree of disturbance of degree of disturbance indication information indication of this sub-district is lower than predetermined threshold, send the tabulation that expectation reduces the Resource Block that disturbs to adjacent sub-district, and according to the degree of disturbance of each Resource Block of feedback adjusting of adjacent sub-district.
Preferably, eNode B determines that according to location information of terminals and transmit power needs the operation of the interference of terminal is specially: when terminal needs transmit ascending data, to the channel strength and the demand data of eNode B reporting measurement; ENode B determines location information of terminals according to signal strength signal intensity; ENode B calculates transmitting power according to positional information and demand data; ENode B is according to the interference of positional information and transmitting power computing terminal.
Preferably, above-mentioned eNode B is specially according to the operation of the respective resources piece in the interference Resources allocation set of blocks of the terminal of determining: for disturbing big terminal, distribute its degree of disturbance indication information to be designated as the low Resource Block of degree of disturbance.
According to an aspect of the present invention, provide a kind of resource block scheduling system, be used for the uplink interference control of long-term evolving network system.
Resource block scheduling system according to the embodiment of the invention comprises: Resource Block set maintenance module is used to each cell maintenance to carry the Resource Block set of degree of disturbance indication information; Terminal is disturbed determination module, is used for determining according to location information of terminals and transmitting power the interference of terminal; The resource block scheduling module is used for the respective resources piece of gathering according to the Resource Block that terminal disturbs the interference Resources allocation set of blocks maintenance module of the definite terminal of determination module to safeguard.
Preferably, Resource Block set maintenance module obtains the degree of disturbance of each Resource Block by interferometry is carried out in this sub-district; Resource Block set maintenance module obtains and may form the situation of the Resource Block that disturbs to this sub-district by each Resource Block in usefulness in each adjacent sub-district is screened, and obtains the degree of disturbance of each Resource Block according to the Resource Block situation of obtaining.
By the present invention, distribute corresponding resource blocks according to the interference of terminal, can guarantee that each terminal all distributes the lower RB of degree of disturbance, thereby can reduce the interference of minizone, guarantee quality of service, help to improve throughput of system and user's susceptibility.
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 being write, 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 flow chart according to the resource block scheduling method of the inventive method embodiment;
Fig. 2 is the block diagram of the resource block scheduling system of system according to the invention embodiment.
Embodiment
As mentioned above, in the LTE system, there is uplink interference, but also do not have settlement mechanism effectively at present.Given this, the invention provides a kind of resource block scheduling method and system, it is by being the Resource Block of the corresponding degree of disturbance of terminal distribution according to terminal to the interference of other sub-districts.
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 qualification the present invention.
Method embodiment
According to the embodiment of the invention, provide reason a kind of resource block scheduling method, be used for the uplink interference control of the LTE network system.
As shown in Figure 1, this method comprises following processing (step S102-step S106):
Step S102, eNode B carry the RB set of degree of disturbance indication information for each cell maintenance;
Step S104, when terminal needed transmit ascending data, eNode B determined the interference of terminal according to location information of terminals and transmitting power;
Step S106, eNode B is according to the corresponding RB in the interference distribution RB set of the terminal of determining; Usually, for disturbing big terminal, distribute the low RB of degree of disturbance.
Preferably, in step S102, the operation of eNode B maintenance resources set of blocks is specially:
(1) eNode B sets up the Resource Block set for each sub-district, and wherein, each Resource Block in the Resource Block set all carries the degree of disturbance indication information;
The degree of disturbance indication information can be provided with different accuracy, such as being set to represent noiseless, general interference, serious interference etc.For example, when initial, the initial value of degree of disturbance indication information all can be set to 0, that is, be set to noiseless;
(2) eNode B obtains the degree of disturbance of each Resource Block, and upgrades the initial value of the degree of disturbance indication information of each Resource Block with the degree of disturbance that obtains;
Here, the mode of obtaining degree of disturbance can have multiple, has provided dual mode below, eNode B can use any or its make up and obtain degree of disturbance:
(1) eNode B carries out interferometry to this sub-district, obtains the degree of disturbance of each RB; Wherein, this sub-district is the sub-district at terminal place;
(2) screen at the RB of usefulness wherein each each adjacent sub-district, obtains to form the situation of the RB that disturbs to this sub-district, and report this sub-district, and the situation of the RB that eNode B reports according to each adjacent sub-district is obtained the degree of disturbance of each RB; Here, adjacent sub-district is adjacent with this sub-district or contiguous sub-district.
Wherein, eNode B screens according to location information of terminals and transmitting power when each Resource Block in usefulness screens in each adjacent sub-district.
(3) eNode B adjusts the degree of disturbance of each Resource Block.
In this is handled, when the quantity that eNode B monitors the lower RB of the degree of disturbance of degree of disturbance indication information indication of this sub-district is lower than predetermined threshold, send the tabulation that expectation reduces the RB that disturbs to adjacent sub-district, and according to the degree of disturbance of each RB of feedback adjusting of adjacent sub-district.
In step S104, eNode B determines that according to location information of terminals and transmit power needs the operation of the interference of terminal is specially: when terminal needs transmit ascending data, to the channel strength and the demand data of eNode B reporting measurement; ENode B determines location information of terminals according to signal strength signal intensity; ENode B calculates transmitting power according to positional information and demand data; ENode B is according to the interference of positional information and transmitting power computing terminal.
System embodiment
According to the embodiment of the invention, a kind of resource block scheduling system is provided, be used for the uplink interference control of long-term evolving network system.
As shown in Figure 2, the resource block scheduling system according to the embodiment of the invention comprises:
Resource Block set maintenance module 202 is used to each cell maintenance to carry the Resource Block set of degree of disturbance indication information;
Terminal is disturbed determination module 204, is used for determining according to location information of terminals and transmitting power the interference of terminal;
Resource block scheduling module 206, be connected to Resource Block set maintenance module 202 and terminal and disturb determination module 204, be used for disturbing the respective resources piece of the Resource Block set that the interference Resources allocation set of blocks maintenance module 202 of the terminal that determination module 204 determines safeguards according to terminal.
Preferably, Resource Block set maintenance module 202 obtains the degree of disturbance of each Resource Block by interferometry is carried out in this sub-district; Perhaps, Resource Block set maintenance module 202 obtains and may form the situation of the Resource Block that disturbs to this sub-district by each Resource Block in usefulness in each adjacent sub-district is screened, and obtains the degree of disturbance of each Resource Block according to the Resource Block situation of obtaining.
For this system embodiment, omitted the description with the same or similar part of method embodiment, can understand with reference to above-mentioned method embodiment and implement.
As mentioned above, by the present invention, distribute corresponding resource blocks according to the interference of terminal, can guarantee that each terminal all distributes the lower RB of degree of disturbance, thereby can reduce the interference of minizone, guarantee quality of service, help to improve throughput of system and user's susceptibility.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a resource block scheduling method is used for the uplink interference control of long-term evolving network system, it is characterized in that described method comprises:
ENode B carries the set of the Resource Block of degree of disturbance indication information for each cell maintenance, and wherein, described degree of disturbance indication information is used to indicate the degree of disturbance of described Resource Block;
When terminal needed transmit ascending data, described eNode B determined the interference of described terminal according to described location information of terminals and transmitting power;
The interference of the described terminal that described eNode B basis is determined distributes the respective resources piece in the described Resource Block set.
2. resource block scheduling method according to claim 1 is characterized in that, described eNode B safeguards that the operation of described Resource Block set is specially:
Described eNode B sets up the Resource Block set for each sub-district, and wherein, each Resource Block in the described Resource Block set all carries the degree of disturbance indication information, and the initial value of degree of disturbance indication information all is set to 0;
Described eNode B obtains the degree of disturbance of each Resource Block, and upgrades the described initial value of the described degree of disturbance indication information of each Resource Block with the degree of disturbance that obtains;
Described eNode B adjusts the degree of disturbance of each Resource Block.
3. resource block scheduling method according to claim 2 is characterized in that, the operation that described eNode B obtains the degree of disturbance of each Resource Block specifically comprises following any and combination thereof:
Described eNode B carries out interferometry to this sub-district, obtains the degree of disturbance of each Resource Block;
Screen wherein each the Resource Block in usefulness each adjacent sub-district, obtain the situation that may form the Resource Block that disturbs to this sub-district, and reporting described this sub-district, the situation of the Resource Block that described eNode B reports according to each adjacent sub-district is obtained the degree of disturbance of each Resource Block;
Wherein, described this sub-district is the sub-district at terminal place, and described adjacent sub-district is adjacent with described this sub-district or contiguous sub-district.
4. Resource Block method of adjustment according to claim 3 is characterized in that, described eNode B screens according to the described positional information and the described transmitting power of terminal when each Resource Block in usefulness screens in each adjacent sub-district.
5. resource block scheduling method according to claim 2 is characterized in that, the operation that described eNode B adjusts the degree of disturbance of each Resource Block specifically comprises:
When the quantity that described eNode B monitors the lower Resource Block of the degree of disturbance of degree of disturbance indication information indication of described this sub-district is lower than predetermined threshold, send the tabulation that expectation reduces the Resource Block that disturbs to described adjacent sub-district, and according to the degree of disturbance of described each Resource Block of feedback adjusting of described adjacent sub-district.
6. resource block scheduling method according to claim 1 is characterized in that, described eNode B determines that according to described location information of terminals and transmit power needs the operation of the interference of described terminal is specially:
When terminal need be transmitted described upstream data, to the channel strength and the demand data of described eNode B reporting measurement;
Described eNode B determines the described positional information of described terminal according to described signal strength signal intensity;
Described eNode B calculates transmitting power according to described positional information and described demand data;
Described eNode B calculates the described degree of disturbance of described terminal according to described positional information and described transmitting power.
7. according to each described resource block scheduling method in the claim 1 to 6, it is characterized in that described eNode B distributes the operation of the respective resources piece in the described Resource Block set to be specially according to the interference of the described terminal of determining:
For disturbing big terminal, distribute its degree of disturbance indication information to be designated as the low Resource Block of degree of disturbance.
8. a resource block scheduling system is used for the uplink interference control of long-term evolving network system, it is characterized in that, comprising:
Resource Block set maintenance module is used to each cell maintenance to carry the set of the Resource Block of degree of disturbance indication information, and wherein, described degree of disturbance indication information is used to indicate the degree of disturbance of described Resource Block;
Terminal is disturbed determination module, is used for determining according to described location information of terminals and transmitting power the interference of described terminal;
The resource block scheduling module is used for the respective resources piece of gathering according to the described Resource Block that described terminal disturbs the interference of the definite described terminal of determination module to distribute described Resource Block set maintenance module to safeguard.
9. resource block scheduling according to claim 8 system is characterized in that,
Described Resource Block set maintenance module obtains the degree of disturbance of each Resource Block by interferometry is carried out in this sub-district;
Described Resource Block set maintenance module obtains and may form the situation of the Resource Block that disturbs to this sub-district by each Resource Block in usefulness in each adjacent sub-district is screened, and obtains the degree of disturbance of each Resource Block according to the Resource Block situation of obtaining.
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| CN2008100070028A CN101494476B (en) | 2008-01-24 | 2008-01-24 | Method and system for scheduling resource block |
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| CN2008100070028A CN101494476B (en) | 2008-01-24 | 2008-01-24 | Method and system for scheduling resource block |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011038556A1 (en) * | 2009-10-04 | 2011-04-07 | 上海贝尔股份有限公司 | Method and apparatus for determining the inter-cell interference in a wireless relay network |
| CN102045826A (en) * | 2010-12-10 | 2011-05-04 | 中兴通讯股份有限公司 | Method and device for processing uplink inter-cell interference |
| WO2011124015A1 (en) * | 2010-04-06 | 2011-10-13 | Nokia Corporation | Method and apparatus for managing inter-cell interference for device-to-device communications |
| WO2012055178A1 (en) * | 2010-10-28 | 2012-05-03 | 中兴通讯股份有限公司 | Method and apparatus for reducing co-existence interference between lte and ism of one equipment |
| CN102932930A (en) * | 2011-08-10 | 2013-02-13 | 华为技术有限公司 | Resource scheduling method, wireless access equipment and communication system |
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| CN105792373A (en) * | 2014-12-24 | 2016-07-20 | 电信科学技术研究院 | Interference information indication method, interference suppression method and devices |
| CN110167148A (en) * | 2018-02-12 | 2019-08-23 | 大唐移动通信设备有限公司 | A kind of distribution method and device of radio resource |
| WO2021243920A1 (en) * | 2020-06-02 | 2021-12-09 | Oppo广东移动通信有限公司 | Wireless communication method, terminal device, and network device |
| CN114828189A (en) * | 2022-04-18 | 2022-07-29 | 超讯通信股份有限公司 | Method and device for adjusting service distance of 5G small base station |
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| CN1808961B (en) * | 2006-02-06 | 2011-05-04 | 华为技术有限公司 | Uplink multi-user pilot method for interference depression between cells |
| CN100450028C (en) * | 2006-06-22 | 2009-01-07 | 华为技术有限公司 | System resource management method for telecommunication apparatus |
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- 2008-01-24 CN CN2008100070028A patent/CN101494476B/en not_active Expired - Fee Related
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| WO2011038556A1 (en) * | 2009-10-04 | 2011-04-07 | 上海贝尔股份有限公司 | Method and apparatus for determining the inter-cell interference in a wireless relay network |
| CN102484511A (en) * | 2009-10-04 | 2012-05-30 | 上海贝尔股份有限公司 | Method and apparatus for determining the inter-cell interference in a wireless relay network |
| WO2011124015A1 (en) * | 2010-04-06 | 2011-10-13 | Nokia Corporation | Method and apparatus for managing inter-cell interference for device-to-device communications |
| WO2012055178A1 (en) * | 2010-10-28 | 2012-05-03 | 中兴通讯股份有限公司 | Method and apparatus for reducing co-existence interference between lte and ism of one equipment |
| CN102457889A (en) * | 2010-10-28 | 2012-05-16 | 中兴通讯股份有限公司 | Method and device for reducing interference of LTE and ISM common equipment |
| CN102457889B (en) * | 2010-10-28 | 2016-03-30 | 中兴通讯股份有限公司 | A kind of method and device reducing the common equipment interference of LTE and ISM |
| CN102045826A (en) * | 2010-12-10 | 2011-05-04 | 中兴通讯股份有限公司 | Method and device for processing uplink inter-cell interference |
| WO2012075788A1 (en) * | 2010-12-10 | 2012-06-14 | 中兴通讯股份有限公司 | Method and apparatus for processing uplink inter-cell interference |
| CN102045826B (en) * | 2010-12-10 | 2015-08-12 | 中兴通讯股份有限公司 | The processing method of inter-cell uplink interference and device |
| CN102932930B (en) * | 2011-08-10 | 2015-03-18 | 华为技术有限公司 | Resource scheduling method, wireless access equipment and communication system |
| WO2013020512A1 (en) * | 2011-08-10 | 2013-02-14 | 华为技术有限公司 | Resource scheduling method, wireless access equipment and communication system |
| CN102932930A (en) * | 2011-08-10 | 2013-02-13 | 华为技术有限公司 | Resource scheduling method, wireless access equipment and communication system |
| US9392611B2 (en) | 2011-08-10 | 2016-07-12 | Huawei Technologies, Co., Ltd. | Resource scheduling method, radio access device, and communications system |
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| CN105792373A (en) * | 2014-12-24 | 2016-07-20 | 电信科学技术研究院 | Interference information indication method, interference suppression method and devices |
| CN105792373B (en) * | 2014-12-24 | 2020-11-06 | 电信科学技术研究院 | Interference information indication method, interference suppression method and device |
| CN110167148A (en) * | 2018-02-12 | 2019-08-23 | 大唐移动通信设备有限公司 | A kind of distribution method and device of radio resource |
| WO2021243920A1 (en) * | 2020-06-02 | 2021-12-09 | Oppo广东移动通信有限公司 | Wireless communication method, terminal device, and network device |
| CN114828189A (en) * | 2022-04-18 | 2022-07-29 | 超讯通信股份有限公司 | Method and device for adjusting service distance of 5G small base station |
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Effective date of registration: 20170817 Address after: Village Street four road 067000 Chengde City, Hebei province Weichang Manchu Mongolian Autonomous County of the four Dao Gou Xiang No. 75 Patentee after: Li Qixing Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong high tech Industrial Park, ZTE building Patentee before: ZTE Corporation |
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