CN102378380B - Method and system for optimizing cell random access parameters - Google Patents
Method and system for optimizing cell random access parameters Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 claims description 4
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- 238000005457 optimization Methods 0.000 description 15
- 238000004364 calculation method Methods 0.000 description 5
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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Abstract
The invention discloses a method and a system for optimizing cell random access parameters. In the method, when a random access process is initiated, user equipment (UE) records the information such as random access time, a random access initiation reason, current resident cell identification, a random access result, and/or a random access failure reason and the like; at the right time, the UE reports the information to network side equipment; and the network side equipment can analyze the problems met by the UE when performing random access by means of the information, search the shortages in an aspect of cell parameter allocation, and effectively optimize the parameters related to the random access. Therefore, the utilization rate of cell resources is effectively improved.
Description
Technical field
The present invention relates to communications industry wireless technical field, the method and system of optimizing in particular to a kind of cell random access parameters.
Background technology
In wireless communication system, Random Access Channel is a up channel based on competition.When a plurality of travelling carriages initiate to access in certain community simultaneously, may bump and cause phase mutual interference between part travelling carriage access failure or travelling carriage.For avoiding above situation, 3G (Third Generation) Moblie Long Term Evolution standard (Long Term Evolution is called for short ITE), for different user access has distributed different targeting sequencings, utilizes correlation good between sequence to avoid access interference and inter-user interference.
Therefore, how effectively, with reasonably configuration and the parameter of planning Random Access Channel, avoid because the random access failure that cell configuration causes becomes an important problem in network operation.The network planning such as theoretical calculate and trackside and network optimization means will face harsher and stern challenge in LTE system.
In realizing process of the present invention, inventor recognizes that prior art exists following defect: network side can not be adjusted cell parameter configuration flexibly according to the random access situation of subscriber equipment (User Equipment is called for short UE).
Summary of the invention
The method and system that provide a kind of cell random access parameters to optimize are provided main purpose of the present invention, to solve above-mentioned network side, can not adjust flexibly according to the random access situation of UE the problem of cell parameter configuration.
According to an aspect of the present invention, a kind of method that provides cell random access parameters to optimize, comprising: user equipment (UE) recording needle is to the log information in the random access operation process of Target cell; UE reports log information to network equipment; Network equipment is optimized cell random access parameters according to log information.
Preferably, in the technical program, log information comprises random access failure reason, network equipment is optimized and comprises cell random access parameters according to random access failure reason in log information: if random access failure reason is adjacent cell, disturb, network equipment is coordinated the random access parameter of Target cell and adjacent cell, to avoid random access resource conflict; If or random access failure reason is that local resource is not enough, network equipment is coordinated the random access parameter of Target cell and periphery adjacent cell, to increase the random access resource of Target cell.
Preferably, in the technical program, log information comprises random turn-on time, network equipment is according to random turn-on time in log information cell random access parameters being optimized and being comprised: network equipment statistics accesses quantity at random in the variation tendency of Preset Time section, and according to variation tendency, random access resource is carried out to semi-static distribution.
Preferably, in the technical program, when meeting default trigger condition, UE reports log information to network equipment, trigger condition comprise following one of at least: log information reaches predetermined number; Arrived the cycle that reports log information; UE is current does not have business; UE is in the low active period of business; Network equipment is according to the degree that takies of random access resource, and notice UE reports the entry interested of log information.
Preferably, in the technical program, random access parameter comprise following one of at least: random access guiding number, the set of random access guiding index, the preamble length of random access guiding grouping situation and different grouping, pilot power offset information, maximum leading transmission times, leading response receiver window size.
According to a further aspect in the invention, the system that provides a kind of cell random access parameters to optimize, comprises UE and network equipment, wherein: UE, comprising: and access module, for initiating the random access operation for Target cell; Logging modle, for recording the log information of random access operation process; Reporting module, for reporting log information to network equipment; Network equipment, for being optimized cell random access parameters according to log information.
By the present invention, statistical information while adopting UE to be collected in random access procedure to access under different districts, in the suitable moment, send to network, help network to carry out network parameter optimization and the configuration of self-organizing, solve network side and can not adjust flexibly according to the random access situation of UE the problem of cell parameter configuration, and then reached the utilance effect that improves local resource.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the flow chart of the method for the inventive method embodiment mono-random access parameter optimization;
Fig. 2 is according to the flow chart of the random access of UE record daily record in the inventive method embodiment tetra-cell random access parameters optimization methods;
Fig. 3 is for to upload the flow chart of random access daily record according to UE in the inventive method embodiment tetra-cell random access parameters optimization methods;
Fig. 4 optimizes the flow chart of cell random access parameters according to network equipment in the inventive method embodiment tetra-cell random access parameters optimization methods;
Fig. 5 is the schematic diagram of system embodiment one cell random access parameters optimization system of the present invention.
Embodiment
Statistical information when the present invention is collected in community access by UE, sends to network in the suitable moment, helps network to carry out network parameter optimization and the configuration of self-organizing.
Embodiment of the method one:
Fig. 1 is according to the flow chart of the method for the inventive method embodiment mono-random access parameter optimization.As shown in Figure 1, the present embodiment comprises:
Step S102, behind the resident Target cell of UE, obtains and configures the random access parameter of Target cell, according to random access parameter, initiates the random access operation for Target cell;
Step S104, UE records the log information in random access operation process;
Step S106, UE reports log information to network equipment;
Step S108, network equipment is optimized random access parameter according to log information.
In the present embodiment, network equipment can report log information function to arrange to UE, arrange comprise following one of at least: On/Off writing function, change reports timer length, change journal entries thresholding, change log information filter arranges.And random access parameter comprises: random access guiding number, and/or random access guiding index.
In the present embodiment, UE, when initiating random access procedure, by the time of the random access of record, initiates the reason of random access, and current resident cell ID, accesses the information such as result, random access failure reason at random.On suitable opportunity, user by above-mentioned information reporting to network equipment, the problem that the latter can run into by these information analyses UE when accessing at random, search the deficiency of cell parameter configuration aspect, and then the relevant parameter of random access is effectively optimized, thereby effectively improve the utilance of local resource.
Embodiment of the method two:
The present embodiment is by the basis in embodiment of the method one, and statistical analysis is carried out in the daily record that network equipment is reported according to a plurality of UE, and the random access parameter of community is optimized.
1, log information comprises random access failure reason, and by the analysis to the random access log information of reporting of user, thereby network can find that because of inadequate resource or adjacent cell, disturbing the random access failure situation causing distributes more reasonably random access resource.Specifically: if random access failure reason is adjacent cell, disturb, illustrate that this community conflicts with the random access resource of adjacent cell, the random access parameter of network equipment coordination Target cell and adjacent cell at this time, to avoid random access resource conflict; If or random access failure reason is that local resource is not enough, illustrate that this community is hot spot region, at this time network equipment can be coordinated the random access parameter of Target cell and periphery adjacent cell, as random access guiding number, the set of random access guiding index, pilot power offset information, maximum leading transmission times, and/or leading response receiver window size etc., to increase the random access resource of Target cell.
2, the log information reporting according to UE, network equipment also can be found to access at random success rate in longer time range, as one day, Changing Pattern in one week, according to this rule, random access resource is carried out to semi-static distribution again, can guarantee the more effective resource of utilizing under the prerequisite of user satisfaction.For example the sum of the random access resource of a plurality of communities is certain, and it is large in affiliated subdistrict, office building compact district communication traffic on daytime amount, and large in compact district, residential block affiliated subdistrict night communications telephone traffic, can to the random access resource of different districts, carry out semi-static distribution according to this rule.Give by day the more random access resource in affiliated subdistrict, office building compact district, at night to the more random access resource in affiliated subdistrict, compact district, residential block, above-mentioned resource comprise following one of at least: random access guiding number, the set of random access guiding index, pilot power offset information, maximum leading transmission times, leading response receiver window size etc.
The present embodiment carries out statistical information to the log information reporting according to UE, and community random parameter is optimized and is illustrated, and has whole beneficial effects of embodiment of the method one, no longer repeats herein.
Embodiment of the method three:
The present embodiment, by the basis in embodiment of the method one, reports describe the opportunity of log information to UE to network equipment.Both can be UE active reporting log information above-mentioned opportunity, also can be for UE receives the passive log information that reports after the notice of network equipment, or both combinations.
In the present embodiment, when meeting default trigger condition, UE reports log information to network equipment, trigger condition comprise following one of at least: log information reaches predetermined number; Arrived the cycle that reports log information; UE is current does not have business; UE is in the low active period of business, and network equipment is according to the degree that takies of random access resource, and notice UE reports the entry interested of log information.
The present embodiment illustrated the date of the log information reporting according to UE, had whole beneficial effects of embodiment of the method one, no longer repeated herein.
Embodiment of the method four:
The present embodiment will provide the method for a complete cell random access parameters optimization.The present embodiment comprises following steps.
One, Fig. 2 is that as shown in Figure 2, this flow process comprises according to the flow chart of the random access of UE record daily record in the inventive method embodiment tetra-cell random access parameters optimization methods:
Step S202, communication cell is set up, and configures the relevant parameter set of a whole set of random access;
Step S204, UE start, successful persistent district, reading system broadcast, storage is the configuration of random access wherein;
Step S206, UE can initiate random access according to the configuration receiving before in Attach process;
Step S208, in random access procedure, the function that network equipment request UE opens record random access log information and reports;
Step S210, if UE does not accept the function that above-mentioned request is closed the relevant log information of the random access of record and reported, flow process finishes; Otherwise enter step S212;
Step S212, the log information in the whole process of all random access that after this UE record occurs, until network initiates to close the request of the function that records random access log information and report.
Two, Fig. 3 is for to upload the flow chart of random access daily record according to UE in the inventive method embodiment tetra-cell random access parameters optimization methods, and as shown in Figure 3, this flow process comprises:
Step S302, UE opens the function of the random access of record log information;
Step S304, UE is according to the relevant log information of the random access of recording configuration record;
Step S306, judge whether log information has reached the trigger condition reporting to network, the relevant journal entries of random access for example reaches some, last time reports successfully the timer expiry arranging afterwards, and current UE does not have business to initiate or current time is enlivened the period etc. in UE business is low, but is not limited to above-mentioned trigger condition, if, execution step S308, otherwise, execution step S304;
Step S308, UE will upload random access log information to network indication, can comprise the concise and to the point description that need to upload information in indication information, and as file size, daily record available time, accesses the statistics of success and failure number of times etc. at random;
Step S310, network equipment takies degree according to self system resource, and interested data entries, and notice UE uploads the entry of appointment in random access log information within the suitable time period;
Step S312, UE completes uploading of random access log information in network official hour section.
Three, Fig. 4 optimizes the flow chart of cell random access parameters according to network equipment in the inventive method embodiment tetra-cell random access parameters optimization methods.As shown in Figure 4, this flow process comprises:
Step S402, the random access log information that network is uploaded UE is analyzed;
Step S404, disturbs if random access failure reason is adjacent cell, and network equipment is coordinated the random access parameter of Target cell and adjacent cell, and to avoid random access resource conflict, flow process finishes;
Step S406, not enough if random access failure reason is local resource, network equipment is coordinated the random access parameter of Target cell and periphery adjacent cell, and to increase the random access resource of Target cell, flow process finishes;
Step S408, network equipment statistics accesses quantity at random in the variation tendency of Preset Time section, and by variation tendency, random access resource is carried out to semi-static distribution, and flow process finishes;
Step S410, if need record random access function to UE adjusts, for example close writing function, change and report timer length, the filter that changes random access journal entries thresholding and write daily record arranges etc. (but these examples that are not limited to list), network equipment will send new request to UE, flow process finishes.
The present embodiment is the detailed implementation of embodiment of the method one to three, has whole beneficial effects of above-described embodiment, no longer repeats herein.
System embodiment one:
Fig. 5 is the schematic diagram of system embodiment one cell random access parameters optimization system of the present invention.As shown in Figure 5, the present embodiment comprises UE and network equipment.Wherein, UE comprises access module 502, logging modle 504, reporting module 506, and access module 502 is for initiating the random access operation for Target cell; Logging modle 504, for recording the log information of random access operation process; Reporting module 506, for reporting log information to network equipment.Network equipment, for being optimized cell random access parameters according to log information.
In the present embodiment, UE, when initiating random access procedure, by the time of the random access of record, initiates the reason of random access, and current resident cell ID, accesses the information such as result, random access failure reason at random.On suitable opportunity, user by above-mentioned information reporting to network equipment, the problem that the latter can run into by these information analyses UE when accessing at random, search the deficiency of cell parameter configuration aspect, and then the relevant parameter of random access is effectively optimized, thereby effectively improve the utilance of local resource.
System embodiment two:
The present embodiment, by the basis in system embodiment one, reports the opportunity of log information and network equipment to be specifically described the content of random access parameter optimization to UE.
In the present embodiment, reporting module also, for when meeting default trigger condition, reports log information to network equipment, trigger condition comprise following one of at least: log information reaches predetermined number; Arrived the cycle that reports log information; UE is current does not have business; Or UE is in the low active period of business; According to the degree that takies of random access resource, network equipment notice UE reports the entry interested of log information.
Log information comprises random access failure reason.Network equipment comprises: identification module, for identifying random access failure reason; Optimize module, for: if random access failure reason is adjacent cell, disturb, coordinate the random access parameter of Target cell and adjacent cell, to avoid random access resource conflict; If or random access failure reason is that local resource is not enough, coordinate the random access parameter of Target cell and periphery adjacent cell, to increase the random access resource of Target cell.
Log information comprises random turn-on time, and network equipment comprises: statistical module, for adding up random access quantity in the variation tendency of Preset Time section; Optimize module, for random access resource being carried out to semi-static distribution according to variation tendency.
The method that the present embodiment is realized can reference method embodiment mono-to four, and has whole beneficial effects of above-described embodiment, no longer repeats herein.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. the method that cell random access parameters is optimized, is characterized in that, comprising:
User equipment (UE) recording needle is to the log information in the random access operation process of Target cell;
Described UE reports described log information to network equipment;
Described network equipment is optimized cell random access parameters according to described log information;
Wherein, described log information comprises random access failure reason, and described network equipment is optimized and comprises cell random access parameters according to random access failure reason in log information:
If described random access failure reason is adjacent cell, disturb, described network equipment is coordinated the random access parameter of described Target cell and described adjacent cell, to avoid random access resource conflict; Or
If it is not enough that described random access failure reason is local resource, described network equipment is coordinated the random access parameter of described Target cell and periphery adjacent cell, to increase the random access resource of described Target cell;
Wherein, described log information comprises random turn-on time, and described network equipment is according to random turn-on time in log information cell random access parameters being optimized and being comprised:
Described network equipment statistics accesses quantity at random in the variation tendency of Preset Time section, and according to described variation tendency, random access resource is carried out to semi-static distribution.
2. method according to claim 1, is characterized in that, when meeting default trigger condition, described UE reports described log information to network equipment,
Described trigger condition comprise following one of at least: log information reaches predetermined number; Arrived the cycle that reports log information; Described UE is current does not have business; Described UE is in the low active period of business; Described network equipment is according to the degree that takies of random access resource, and notice UE reports the entry interested of described log information.
3. method according to claim 2, is characterized in that, described UE also comprised before network equipment reports log information:
Described UE reports the summary of described log information to network equipment, described summary comprise following one of at least: log information file size, the daily record time, access at random successfully or the frequency of failure.
4. according to the method described in any one in claim 1-3, it is characterized in that, described network equipment reports log information function to arrange to described UE, described setting comprise following one of at least: On/Off writing function, change reports timer length, and change journal entries thresholding and/or change log information filter arrange.
5. according to the method described in any one in claim 1-3, it is characterized in that, described random access parameter comprise following one of at least: random access guiding number, the set of random access guiding index, the preamble length of random access guiding grouping situation and different grouping, pilot power offset information, maximum leading transmission times, leading response receiver window size.
6. the system that cell random access parameters is optimized, is characterized in that, comprises UE and network equipment, wherein:
Described UE, comprising:
Access module, for initiating the random access operation for Target cell;
Logging modle, for recording the log information of described random access operation process;
Reporting module, for reporting described log information to described network equipment;
Described network equipment, for being optimized cell random access parameters according to described log information;
Wherein, described log information comprises random access failure reason, and described network equipment comprises:
Identification module, for identifying described random access failure reason;
Optimize module, for: if described random access failure reason is adjacent cell, disturb, coordinate the random access parameter of described Target cell and described adjacent cell, to avoid random access resource conflict; If or described random access failure reason is that local resource is not enough, coordinate the random access parameter of described Target cell and periphery adjacent cell, to increase the random access resource of described Target cell;
Wherein, described log information comprises random turn-on time, and described network equipment comprises:
Statistical module, for adding up random access quantity in the variation tendency of Preset Time section;
Optimize module, for random access resource being carried out to semi-static distribution according to described variation tendency.
7. system according to claim 6, is characterized in that,
Described reporting module also for, when meeting default trigger condition, to network equipment, report described log information, described trigger condition comprise following one of at least: log information reaches predetermined number, arrived the cycle that reports log information, described UE is current does not have business, or described UE is in the low active period of business, according to the degree that takies of random access resource, described network equipment notice UE reports the entry interested of described log information.
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| CN201010260443.6A CN102378380B (en) | 2010-08-20 | 2010-08-20 | Method and system for optimizing cell random access parameters |
| PCT/CN2011/073089 WO2012022162A1 (en) | 2010-08-20 | 2011-04-20 | Method and system for optimizing random access parameters in cell |
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| CN201010260443.6A CN102378380B (en) | 2010-08-20 | 2010-08-20 | Method and system for optimizing cell random access parameters |
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| CN105309009B (en) | 2014-01-28 | 2020-02-14 | 华为技术有限公司 | Service transfer method and device |
| CN105848183B (en) * | 2016-03-23 | 2019-08-06 | 武汉虹信通信技术有限责任公司 | Random access channel self-organization method, device, system and base station |
| CN107872815B (en) * | 2016-09-26 | 2023-05-02 | 中兴通讯股份有限公司 | Random access loading test method, device and system |
| WO2019127438A1 (en) | 2017-12-29 | 2019-07-04 | 北京小米移动软件有限公司 | Random access failure processing method and apparatus |
| CN110557763B (en) | 2018-05-31 | 2021-01-08 | 维沃移动通信有限公司 | Data transmission method, parameter optimization method, device and equipment |
| CN110753324B (en) * | 2018-07-23 | 2023-03-31 | 中国移动通信有限公司研究院 | Information reporting and receiving method, device and storage medium |
| 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 |
| EP3925183A4 (en) * | 2019-02-12 | 2022-11-02 | ZTE Corporation | Method of performance information reporting |
| WO2020186403A1 (en) * | 2019-03-15 | 2020-09-24 | Qualcomm Incorporated | Access procedure reporting |
| WO2021128224A1 (en) * | 2019-12-26 | 2021-07-01 | 华为技术有限公司 | Communication method, device and system |
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| WO2008041916A1 (en) * | 2006-10-02 | 2008-04-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for reducing intra-cell interference between cell phones performing random access |
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| CN101841835B (en) * | 2009-03-17 | 2012-12-19 | 电信科学技术研究院 | Switching optimization method, equipment and system |
| CN101841889B (en) * | 2009-03-19 | 2014-11-05 | 中兴通讯股份有限公司 | Method for acquiring random access information and user facility |
| CN102077676B (en) * | 2009-04-28 | 2013-10-02 | 华为技术有限公司 | Method and apparatus for optimizing the terminal random access |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2008041916A1 (en) * | 2006-10-02 | 2008-04-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for reducing intra-cell interference between cell phones performing random access |
| CN101523930A (en) * | 2006-10-03 | 2009-09-02 | 高通股份有限公司 | Random access signaling transmission for system access in wireless communication |
| CN101291521A (en) * | 2007-04-16 | 2008-10-22 | 华为技术有限公司 | Method and device for acquiring using situation of access channel |
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