CN101132643B - Automatic optimizing method for wireless access parameters - Google Patents
Automatic optimizing method for wireless access parameters Download PDFInfo
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- CN101132643B CN101132643B CN2007101520889A CN200710152088A CN101132643B CN 101132643 B CN101132643 B CN 101132643B CN 2007101520889 A CN2007101520889 A CN 2007101520889A CN 200710152088 A CN200710152088 A CN 200710152088A CN 101132643 B CN101132643 B CN 101132643B
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Abstract
This invention discloses an automatic optimization method for radio access parameters including: an auto-networking service unit gets optimized reference information of current radio access parameter information and its optimized reference information to adjust the radio access parameters automatically based on the information and informs the background to update them to realize automatic optimization of radio access parameters in local areas.
Description
Technical field
The present invention relates to a kind of method of wireless access parameters Automatic Optimal, (Long Term Evolution is called for short: the LTE) method of wireless access parameters Automatic Optimal in the GSM to relate in particular to a kind of Long Term Evolution.
Background technology
(Self Organized Network is called for short: SON) be a kind of technology of carrying out network configuration and optimization automatically, these technological characteristics are self-configuring self-optimizings to MANET.The SON technology is used in LTE and is made that LTE base station (e-Node B, be called for short eNB) can be according to the automatic configuration network parameter of certain measurement, and carries out Automatic Optimal according to network change, thereby optimizes network performance, practices thrift lot of manpower and material resources simultaneously.The SON structure has distributed, centralized and hybrid three kinds of modes at present.Wherein, under distributed frame, the SON service unit is present among each eNB; Under centralized configuration, the SON service unit is independent of each eNB and exists; Under hybrid combination, the SON service unit partly is present among the eNB, and part is independent of eNB and exists.
Wireless access process in the LTE GSM is divided into random access procedure and business is set up process.Random access procedure is divided into based on the random access procedure of competition with based on non-competing random access procedure, and the former is initiated by the terminal, comprises initial access, transmitting uplink data, switching and four kinds of situation of downlink data transmission; The latter is initiated by eNB, is used for switching and downlink data transmission.In wireless access process based on competition; Wireless access for send at the terminal is leading; Owing to there is not Radio Link control (Radio Link Control; Be called for short RLC) the affirmation pattern of layer and the automatic re-transmission of medium access control (MediaAccess Control is called for short MAC) layer, make the wireless access response to accomplish flow so need to receive eNB.In order to improve reliability, if receiving, the terminal do not receive the wireless access response that eNB sends, it is leading then to allow the terminal to repeat to send wireless access, the number of times of repeating transmission and the part that belongs to random access parameter at interval.Business is set up process and is divided into two kinds of situation, and a kind of is professional first foundation, and another kind is professional reprovision.The service establishing parameter that relates under the both of these case can be according to current wireless network environment quality and system loading situation are adjusted.
Random access parameter and service establishing parameter all belong to the part of wireless access parameters.The adjustment random access parameter can improve service building success rate on the one hand, can reduce system loading on the other hand; The adjustment service establishing parameter can improve service building success rate on the one hand, can improve quality of service on the other hand; Thereby fully effectively utilize Internet resources.
Existing optimization method for wireless access parameters only is confined to through artificial regulatory, and promptly the staff observes on the backstage, analyzes, is provided with reference to the data that observation obtains, thereby reach the purpose that wireless access parameters is optimized.Adopt this mode not only to waste lot of manpower and material resources, and can not accomplish accurate regulation and control, exist very big human factor.
Summary of the invention
The technical problem that the present invention will solve provides the method for a kind of high-intelligentization in the LTE GSM, high-precision wireless access parameters Automatic Optimal, realizes the optimization of systematic function.
For solving the problems of the technologies described above, the method for a kind of wireless access parameters Automatic Optimal of the present invention comprises the steps: that the MANET service unit obtains current wireless access parameter information and wireless access parameters optimizing reference information; The MANET service unit is adjusted wireless access parameters according to said wireless access parameters information and wireless access parameters optimizing reference information automatically; The MANET service unit is with the background update of adjusted wireless access parameters notice.
Further, the wireless access parameters optimizing reference information comprises: current system loading information, current wireless environmental quality information and wireless access performance statistics result.
Further; After the MANET service unit gets access to the wireless access parameters optimizing reference information; Judge whether that according to this wireless access parameters optimizing reference information needs carry out the wireless access parameters adjustment; If do not need adjustment, then repeat to obtain current wireless access parameter information and wireless access parameters optimizing reference information.
Further, which wireless access parameters the further judgement of MANET service unit need be adjusted, automatically wireless access parameters adjusted thereby accomplish.
Further, in background update, show adjusted wireless access parameters.
Further, when the backstage shows adjusted wireless access parameters, the adjusted wireless access parameters notice Long Term Evolution base station that the MANET service unit will need the terminal to upgrade, this notice terminal, Long Term Evolution base station is upgraded.
Further, wireless access performance statistics result comprises: service access or the professional failure cause of setting up and current business insert success rate and cut-in quality.
Further, service access or the professional failure cause of setting up are to be drawn according to cell load information of obtaining from the Long Term Evolution base station and the judgement of performance counter information by the MANET service unit; Current business inserts success rate and cut-in quality combines the judgement of current wireless access parameter information to draw by the MANET service unit according to the wireless access parameters optimizing reference information.
Further, wireless access parameters information comprises the access rate information that the leading repeating transmission number of times of wireless access and retransmission interval information, business are set up initial maximum transmit power information and business initial.
In the LTE GSM; Through using the SON service unit wireless access parameters is added up; According to system loading situation and current wireless environmental quality, wireless access parameters is adjusted automatically, thereby realized the Automatic Optimal of wireless access parameters in the sub-district; Save the needed a large amount of manpower and materials of employing legacy network optimal way, reduced network operation maintenance cost.
Description of drawings
The sketch map of Fig. 1 centralized SON service unit Automatic Optimal wireless access parameters for the present invention adopts;
The flow chart of Fig. 2 centralized SON service unit Automatic Optimal wireless access parameters for the present invention adopts;
The sketch map of Fig. 3 distributed SON service unit Automatic Optimal wireless access parameters for the present invention adopts;
The flow chart of Fig. 4 distributed SON service unit Automatic Optimal wireless access parameters for the present invention adopts;
Embodiment
The present invention is when carrying out Automatic Optimal to wireless access parameters; The SON service unit obtains current wireless access parameter information; According to current system loading information and current wireless environmental quality information; Current wireless access parameter information in conjunction with getting access to is adjusted wireless access parameters automatically, and adjusted wireless access parameters notice background synchronization is upgraded.
Below in conjunction with accompanying drawing method of the present invention is elaborated:
Shown in seeing figures.1.and.2; Centralized SON service unit carries out the sketch map of wireless access parameters Automatic Optimal to Fig. 1 for the present invention adopts; The SON service unit is independent of the base station and exists; The flow chart of Fig. 2 centralized SON service unit Automatic Optimal wireless access parameters for the present invention adopts, this method comprises the steps:
Step 101:SON service unit obtains current wireless access parameter information;
Wireless access parameters comprises: random access parameter and service establishing parameter, and random access parameter comprises, repeating transmission number of times that wireless access is leading and retransmission interval etc.; Service establishing parameter comprises, and business is set up the access rate of initial maximum transmission power and business initial etc.;
For obtaining of current wireless access parameter information; The SON service unit can get access to the wireless access parameters that gets access to based on the wireless access parameters of eNB and/or from the backstage based on the backstage from eNB; ENB can will send to the SON service unit based on the wireless access parameters information of eNB through the form that sends a notification message; Such as; ENB can send to the SON service unit in actual repeating transmission number of times and retransmission interval that wireless access in the sub-district is leading; Leading actual repeating transmission number of times of wireless access and retransmission interval are included in the request of access at random that the terminal sends to eNB in the above-mentioned sub-district, and the SON service unit also can be set up the wireless access parameters information such as access rate of initial maximum transmission power and business initial from the backstage business of getting access to.
Step 102:eNB sends wireless parameter optimization information notification message to the SON service unit;
Comprise in this wireless parameter optimization information notification message: current system loading information and current wireless environmental quality information.
Step 103:SON service unit carries out the wireless access performance statistics;
In the present embodiment, above-mentioned wireless access performance statistics comprises: the SON service unit is judged service access or the professional failure cause of setting up according to cell load information of obtaining from eNB and performance counter information; The SON service unit combines current wireless access parameter information to judge that current business inserts success rate and cut-in quality etc. according to wireless parameter optimization information notification message.
Above-mentioned current system loading information and current wireless environmental quality information and wireless access performance statistics result all are as the reference information of adjustment wireless access parameters, below are referred to as the wireless access parameters optimizing reference information.
Step 104:SON service unit judges whether that according to the wireless access parameters optimizing reference information needs carry out the wireless access parameters adjustment, if do not need adjustment, then jump to step 101;
Which wireless access parameters step 105:SON service unit is adjusted according to wireless access parameters optimizing reference information judgement needs and is combined the current wireless access parameter to adjust accordingly automatically;
For the adjustment of wireless access parameters, the direction of adjustment is to insert success rate and system loading, promptly under the situation of system loading and the permission of wireless environment quality, comprehensively adjusts wireless access parameters, thereby improves service building success rate; Set up under the guaranteed situation of power in business, the adjustment random access parameter, thus reduce system loading, reach the purpose that makes full use of Internet resources.Such as, to insert maximum number of retransmissions and retransmission interval at random, business is set up Initial Trans, business initial access rate etc. and is adjusted.
Step 106:SON service unit is notified eNB with adjusted wireless access parameters information, and in background update and demonstration synchronously.
If relate to the adjustment of the wireless access parameters relevant with the terminal, eNB also will notify the terminal, otherwise directly shows the adjustment result in background synchronization; The wireless access parameters relevant with the terminal inserts maximum number of retransmissions and retransmission interval etc. at random such as having.
With reference to Fig. 3 and shown in Figure 4; Distributed SON service unit carries out the sketch map of wireless access parameters Automatic Optimal to Fig. 3 for the present invention adopts; The SON service unit is present in the base station; The flow chart of Fig. 4 distributed SON service unit Automatic Optimal wireless access parameters for the present invention adopts, this method comprises the steps:
Step 201:SON service unit obtains current wireless access parameter information, current system loading information and current wireless environmental quality information;
Wireless access parameters comprises: random access parameter and service establishing parameter, and random access parameter comprises, repeating transmission number of times that wireless access is leading and retransmission interval etc.; Service establishing parameter comprises, and business is set up the access rate of initial maximum transmission power and business initial etc.;
For obtaining of current wireless access parameter information; The SON service unit can directly obtain from eNB and/or from the backstage; Such as; The SON service unit can directly get access to leading actual repeating transmission number of times and the retransmission interval of wireless access in the sub-district from eNB; Leading actual repeating transmission number of times of wireless access and retransmission interval are included in the request of access at random that the terminal sends to eNB in the above-mentioned sub-district, and the SON service unit also can be set up the wireless access parameters information such as access rate of initial maximum transmission power and business initial from the backstage business of getting access to;
The SON service unit can directly get access to above-mentioned current system loading information and current wireless environmental quality information from eNB.
Step 202:SON service unit carries out the wireless access performance statistics;
In the present embodiment, above-mentioned wireless access performance statistics comprises: the SON service unit is judged service access or the professional failure cause of setting up according to cell load information of obtaining from eNB and performance counter information; The SON service unit combines current wireless access parameter information to judge that current business inserts success rate and cut-in quality etc. according to the wireless parameter optimizing reference information.
Above-mentioned current system loading information and current wireless environmental quality information and wireless access performance statistics result all are as the reference information of adjustment wireless access parameters, below are referred to as the wireless access parameters optimizing reference information.
Step 203:SON service unit judges whether that according to the wireless parameter optimizing reference information needs carry out the wireless access parameters adjustment, if do not need adjustment, then jump to step 201;
Which wireless access parameters step 204:SON service unit is adjusted according to wireless access parameters optimizing reference information judgement needs and is combined the current wireless access parameter to adjust accordingly automatically;
For the adjustment of wireless access parameters, the direction of adjustment is to insert success rate and system loading, promptly under the situation of system loading and the permission of wireless environment quality, comprehensively adjusts wireless access parameters, thereby improves service building success rate; Set up under the guaranteed situation of power in business, the adjustment random access parameter, thus reduce system loading, reach the purpose that makes full use of Internet resources.Such as, to insert maximum number of retransmissions and retransmission interval at random, business is set up Initial Trans, business initial access rate etc. and is adjusted.
Step 205:SON service unit is notified eNB with adjusted wireless access parameters information, and in background update and demonstration synchronously.
If relate to the adjustment of the wireless access parameters relevant with the terminal, eNB also will notify the terminal, otherwise directly shows the adjustment result in background synchronization; The wireless access parameters relevant with the terminal inserts maximum number of retransmissions and retransmission interval etc. at random such as having.
Because wireless access parameters adjustment only need get access to the relevant information of this eNB, therefore when adopting hybrid SON service unit Automatic Optimal wireless access parameters, its flow process is identical with the flow process that adopts distributed SON service unit, no longer narrates at this.
Claims (8)
1. the method for a wireless access parameters Automatic Optimal is characterized in that, this method is used for professional first foundation, comprises the steps:
The MANET service unit obtains current wireless access parameter information and wireless access parameters optimizing reference information;
The MANET service unit is adjusted wireless access parameters according to said wireless access parameters information and wireless access parameters optimizing reference information automatically;
The MANET service unit is with the background update of adjusted wireless access parameters notice;
Wherein, wireless access parameters comprises random access parameter and service establishing parameter, and random access parameter comprises wireless access leading repeating transmission number of times and retransmission interval; Service establishing parameter comprises business and sets up the initial maximum transmission power and the access rate of business initial.
2. the method for wireless access parameters Automatic Optimal as claimed in claim 1 is characterized in that, said wireless access parameters optimizing reference information comprises: current system loading information, current wireless environmental quality information and wireless access performance statistics result.
3. the method for wireless access parameters Automatic Optimal as claimed in claim 2; It is characterized in that; After said MANET service unit gets access to the wireless access parameters optimizing reference information; Judge whether that according to said wireless access parameters optimizing reference information needs carry out the wireless access parameters adjustment, if do not need adjustment, then repeat said current wireless access parameter information and the wireless access parameters optimizing reference information obtained.
4. the method for wireless access parameters Automatic Optimal as claimed in claim 3 is characterized in that, which wireless access parameters the further judgement of said MANET service unit need be adjusted, saidly automatically wireless access parameters is adjusted thereby accomplish.
5. the method for wireless access parameters Automatic Optimal as claimed in claim 2 is characterized in that, in said background update, shows adjusted wireless access parameters.
6. the method for wireless access parameters Automatic Optimal as claimed in claim 5; It is characterized in that; When the backstage shows adjusted wireless access parameters; The adjusted wireless access parameters notice Long Term Evolution base station that the MANET service unit will need the terminal to upgrade, notice terminal, said Long Term Evolution base station is upgraded.
7. the method for wireless access parameters Automatic Optimal as claimed in claim 2 is characterized in that, said wireless access performance statistics result comprises: service access or the professional failure cause of setting up and current business insert success rate and cut-in quality.
8. the method for wireless access parameters Automatic Optimal as claimed in claim 7; It is characterized in that said service access or the professional failure cause of setting up are to be drawn according to cell load information of obtaining from the Long Term Evolution base station and the judgement of performance counter information by the MANET service unit; Said current business inserts success rate and cut-in quality combines the judgement of current wireless access parameter information to draw by the MANET service unit according to the wireless access parameters optimizing reference information.
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| CN2007101520889A CN101132643B (en) | 2007-09-28 | 2007-09-28 | Automatic optimizing method for wireless access parameters |
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Families Citing this family (10)
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| US9148893B2 (en) * | 2008-03-03 | 2015-09-29 | Qualcomm Incorporated | Access channel load management in a wireless communication system |
| EP2161964B1 (en) | 2008-09-04 | 2015-02-18 | Nokia Solutions and Networks Oy | Method and device for data processing in a cellular network |
| WO2010105438A1 (en) * | 2009-03-20 | 2010-09-23 | 华为技术有限公司 | A method, device and system for network self-optimization |
| US9210586B2 (en) * | 2009-05-08 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for generating and exchanging information for coverage optimization in wireless networks |
| CN101998464A (en) * | 2009-08-14 | 2011-03-30 | 中国移动通信集团公司 | Random access parameter automatic optimization method, system and equipment |
| CN101998465B (en) * | 2009-08-21 | 2012-11-07 | 中国移动通信集团设计院有限公司 | Method and system for optimizing network |
| CN103052070A (en) * | 2011-10-14 | 2013-04-17 | 中国移动通信集团江苏有限公司 | Method for configuring and optimizing carrier frequencies in multiple carrier frequency system and wireless network controller |
| CN103108363B (en) * | 2011-11-15 | 2016-08-03 | 华为技术有限公司 | A kind of method and device of parameter management coordination |
| CN109548167B (en) * | 2018-12-10 | 2020-11-10 | 京信通信系统（中国）有限公司 | Coverage range self-adaptive adjusting method and device, computer storage medium and equipment |
| CN111385816B (en) * | 2018-12-27 | 2022-07-15 | 展讯通信（上海）有限公司 | Method and device for reporting random access statistical information |
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