CN101132643A - Automatic optimizing method for wireless access parameters - Google Patents
Automatic optimizing method for wireless access parameters Download PDFInfo
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- CN101132643A CN101132643A CNA2007101520889A CN200710152088A CN101132643A CN 101132643 A CN101132643 A CN 101132643A CN A2007101520889 A CNA2007101520889 A CN A2007101520889A CN 200710152088 A CN200710152088 A CN 200710152088A CN 101132643 A CN101132643 A CN 101132643A
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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 mobile communication system 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, the characteristics of this technology are the 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, saves 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 mobile communication system 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 terminal, comprises initial access, transmitting uplink data, switching and four kinds of situations 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, leading for the wireless access that terminal is sent, owing to there is not Radio Link control (Radio Link Control, abbreviation RLC) the affirmation pattern and medium access control (the MediaAccess Control of layer, abbreviation MAC) the automatic re-transmission of layer be made the wireless access response to finish follow-up flow process so need to receive eNB.In order to improve reliability, if receiving, terminal receives the wireless access response that eNB sends, and it is leading then to allow terminal to repeat to send wireless access, and the number of times of repeating transmission and interval belong to the part of random access parameter.Business is set up process and is divided into two kinds of situations, 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.Adjust random access parameter and can improve service building success rate on the one hand, can reduce system loading on the other hand; Adjust service establishing parameter and 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 by 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 to be solved in the present invention provides the method for a kind of high-intelligentization in the LTE mobile communication system, 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 is optimized reference information; The MANET service unit is adjusted wireless access parameters automatically according to described wireless access parameters information and wireless access parameters optimization reference information; The MANET service unit is with the background update of adjusted wireless access parameters notice.
Further, wireless access parameters optimization 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 wireless access parameters optimization reference information, optimize reference information according to this wireless access parameters and judge whether that needs carry out the wireless access parameters adjustment, if do not need to adjust, then repeat to obtain current wireless access parameter information and wireless access parameters and optimize reference information.
Further, which wireless access parameters the further judgement of MANET service unit need be adjusted, thereby finish automatically wireless access parameters adjusted.
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 terminal to upgrade, this Long Term Evolution base station notice terminal 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 is drawn in conjunction with the judgement of current wireless access parameter information according to wireless access parameters optimization reference information by the MANET service unit.
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 mobile communication system, by 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 schematic diagram 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 schematic diagram 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, in conjunction with the current wireless access parameter information that gets access to wireless access parameters is adjusted 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 schematic diagram 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 by 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 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 judges that in conjunction with current wireless access parameter information 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 adjusting wireless access parameters, below are referred to as wireless access parameters and optimize reference information.
Step 104:SON service unit is optimized reference information according to wireless access parameters and is judged whether that needs carry out the wireless access parameters adjustment, if do not need to adjust, then jumps to step 101;
Step 105:SON service unit is optimized reference information judgement needs according to wireless access parameters and which wireless access parameters is adjusted and adjusted accordingly automatically in conjunction with the current wireless access parameter;
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, adjust random access parameter, thereby 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 terminal, eNB also will notify terminal, otherwise directly shows the adjustment result in background synchronization; The wireless access parameters relevant with 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 schematic diagram 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 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 is optimized reference information according to wireless parameter and is judged that in conjunction with current wireless access parameter information current business inserts success rate and cut-in quality etc.
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 adjusting wireless access parameters, below are referred to as wireless access parameters and optimize reference information.
Step 203:SON service unit is optimized reference information according to wireless parameter and is judged whether that needs carry out the wireless access parameters adjustment, if do not need to adjust, then jumps to step 201;
Step 204:SON service unit is optimized reference information judgement needs according to wireless access parameters and which wireless access parameters is adjusted and adjusted accordingly automatically in conjunction with the current wireless access parameter;
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, adjust random access parameter, thereby 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 terminal, eNB also will notify terminal, otherwise directly shows the adjustment result in background synchronization; The wireless access parameters relevant with terminal inserts maximum number of retransmissions and retransmission interval etc. at random such as having.
Because the 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 (9)
1. the method for wireless access parameters Automatic Optimal as claimed in claim 1 is characterized in that, this method comprises the steps:
The MANET service unit obtains current wireless access parameter information and wireless access parameters is optimized reference information;
The MANET service unit is adjusted wireless access parameters automatically according to described wireless access parameters information and wireless access parameters optimization reference information;
The MANET service unit is with the background update of adjusted wireless access parameters notice.
2. the method for wireless access parameters Automatic Optimal as claimed in claim 2 is characterized in that, described wireless access parameters is optimized reference information and comprised: 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 described MANET service unit gets access to wireless access parameters optimization reference information, optimize reference information according to described wireless access parameters and judge whether that needs carry out the wireless access parameters adjustment, if do not need to adjust, then repeat described current wireless access parameter information and the wireless access parameters optimization reference information of obtaining.
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 described MANET service unit need be adjusted, describedly automatically wireless access parameters is adjusted thereby finish.
5. the method for wireless access parameters Automatic Optimal as claimed in claim 2 is characterized in that, shows adjusted wireless access parameters in described background update.
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 terminal to upgrade, described Long Term Evolution base station notice terminal is upgraded.
7. the method for wireless access parameters Automatic Optimal as claimed in claim 2 is characterized in that, described 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 described 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; Described current business inserts success rate and cut-in quality is drawn in conjunction with the judgement of current wireless access parameter information according to wireless access parameters optimization reference information by the MANET service unit.
9. the method for wireless access parameters Automatic Optimal as claimed in claim 2, it is characterized in that described 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.
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| WO2010105474A1 (en) * | 2009-03-20 | 2010-09-23 | 华为技术有限公司 | Network auto-optimization method, equipment and system |
| CN101960904A (en) * | 2008-03-03 | 2011-01-26 | 高通股份有限公司 | Access channel load management in a wireless communication system |
| CN101998465A (en) * | 2009-08-21 | 2011-03-30 | 中国移动通信集团设计院有限公司 | Method and system for optimizing network |
| 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 |
| CN102204397A (en) * | 2008-09-04 | 2011-09-28 | 诺基亚西门子通信公司 | Method and device for data processing in a cellular network |
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| US6078568A (en) * | 1997-02-25 | 2000-06-20 | Telefonaktiebolaget Lm Ericsson | Multiple access communication network with dynamic access control |
| US6256301B1 (en) * | 1998-10-15 | 2001-07-03 | Qualcomm Incorporated | Reservation multiple access |
| US6845245B2 (en) * | 2000-12-22 | 2005-01-18 | Denso Corporation | Access parameter adaptation and packet data resource management using detailed mobile status information |
| US7394826B2 (en) * | 2003-09-09 | 2008-07-01 | Harris Corporation | Mobile ad hoc network (MANET) providing quality-of-service (QoS) based unicast and multicast features |
| JP4667100B2 (en) * | 2005-03-31 | 2011-04-06 | 株式会社エヌ・ティ・ティ・ドコモ | Wireless communication apparatus and wireless communication system |
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| CN102204397A (en) * | 2008-09-04 | 2011-09-28 | 诺基亚西门子通信公司 | Method and device for data processing in a cellular network |
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| 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 |
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