CN1984425A - Method for optimizing network by acquiring code resource information - Google Patents
Method for optimizing network by acquiring code resource information Download PDFInfo
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- CN1984425A CN1984425A CNA2006100671923A CN200610067192A CN1984425A CN 1984425 A CN1984425 A CN 1984425A CN A2006100671923 A CNA2006100671923 A CN A2006100671923A CN 200610067192 A CN200610067192 A CN 200610067192A CN 1984425 A CN1984425 A CN 1984425A
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Abstract
The method is used for solving the issue that is there is no measuring technology of code resources, so the network at high density area can't be effectively optimized. It comprises: a) at the appointed area, the relative parameters of code resources is measured; a) according to the measurement result, optimizing the network.
Description
Technical field
The present invention relates to Radio Network System, particularly relate to a kind of code resource information that obtains to optimize the method for network.
Background technology
Along with the development of mobile communication technology, wireless network can not only provide the speech business of low speed, and can provide at a high speed, the rich data business.People are to the sharp increase day by day of wireless communication needs, make the unlimitedness of information and Internet resources finiteness this contradiction is shown especially out.Therefore, how effectively, reasonably utilize Limited resources to become one of focus that operator paid close attention to the radio communication service that big capacity, two-forty are provided.
In the prior art, what generally adopt is that power resource is measured, and utilizes power resource effectively and reasonably by power control techniques, reduces the bottleneck effect of power to power system capacity, increases power system capacity.
Power resource is the bottleneck of WCDMA power system capacity always not, and for the wider Da Qu of coverage rate, the major limitation of its capacity is a power; But for intensive areas such as library, conference centre, schools, power resource is the bottleneck of power system capacity not necessarily.At this moment connection or access failure may be because the deficiency of sign indicating number resource.Therefore, only power resource is measured and taken appropriate measures by its measurement result and can not satisfy the demand of all occasions.
At present, aspect the sign indicating number resource measurement be a blank, and then more can't taking appropriate measures, to optimize network according to the relevant information that measurement sign indicating number resource obtains.
Summary of the invention
The invention provides a kind of code resource information that obtains to optimize the method for network, do not have a yard resource measurement technology at present in order to solve, and then can't be in the problem of close quarters effective optimization network.
The inventive method comprises:
A, in the appointed area, measure the relevant parameter of sign indicating number resource;
B, optimize network according to measurement result.
Wherein, described steps A is measured one of following parameter at least:
Take the number of users that each spreading factor SF sets up the professional RAB of wireless access;
The unaccepted number of times of user applies channel code resource.
Described step B comprises the following steps: according to taking the operating position that number of users correspondence that each SF sets up RAB obtains the different rates code word; If the difference of the utilization rate of different rates code word in predetermined scope, judges then that fragment appears in the sign indicating number resource, and with code tree reformation algorithm optimization network; Otherwise, remeasure.
Described the unaccepted number of times of user applies channel code resource is measured, being comprised: the radio resource control RRC that causes because of the sign indicating number resource congestion is connected set up unaccepted number of times and measure.Described step B comprises the following steps: to obtain the sign indicating number resource utilization according to measurement result; Set up unaccepted number of times and be connected the ratio during of setting up unaccepted total degree with RRC when the RRC that causes because of the sign indicating number resource congestion connects greater than preset first threshold, if described resource utilization is less than the preset second threshold value, then adjust the allocation strategy of sign indicating number resource, to optimize network; Otherwise, increase the same covering adjacent area of described appointed area, perhaps adopt littler sub-district to cover the appointed area.
Described the unaccepted number of times of user applies channel code resource is measured, being comprised: assign the number of times of setting up failure to measure the RAB that causes because of the sign indicating number resource congestion.Described number of times measurement of assigning foundation to fail to the RAB that causes because of the sign indicating number resource congestion comprises: assign the measurement and the PS territory RAB that set up the frequency of failure to assign the measurement of setting up the frequency of failure at CS territory RAB.
Described the unaccepted number of times of user applies channel code resource is measured, being comprised: the number of times to the direct-cut operation failure that causes because of the sign indicating number resource congestion is measured.Described direct-cut operation comprises: the alien frequencies direct-cut operation is gone into the sub-district, the alien frequencies direct-cut operation goes out the sub-district, goes into the sub-district and go out the sub-district with the frequency direct-cut operation with the frequency direct-cut operation.Described step B comprises the following steps: to draw the switching of described appointed area and goes into the sub-district and switch the mortality that the sub-district; If the mortality that switches the sub-district is only arranged greater than the 3rd default threshold value, then increases and switch the triggering thresholding that the sub-district; Or increase the congestion threshold of sub-district, to share the load in the network; Greater than the 4th default threshold value, then reduce to switch triggering thresholding as if the mortality that only has switching to go into the sub-district into the sub-district; Or reduce the congestion threshold of sub-district, so that the load of this sub-district can be assigned to the adjacent area; Or the load balance parameter of sub-district adjusted so that on the cell boarder user's re eligible under the idle pulley to neighbor cell; If the mortality of switch the sub-district is greater than the 4th default threshold value, and switch the sub-district mortality greater than the 3rd default threshold value, then increase the same covering adjacent area of described appointed area, perhaps adopt littler sub-district to cover the appointed area.
Beneficial effect of the present invention is as follows:
The inventive method is set up one of the number of users of the professional RAB of wireless access and the unaccepted number of times of user applies channel code resource and is measured taking each spreading factor SF at least in the appointed area.
By the number of users of setting up RAB on each SF is measured respectively, can know the utilization rate of different rates code word, the utilization rate of described different rates code word has promptly embodied the distribution condition of sign indicating number resource.And then can make operator to the development condition of the business of various different rates in the network have one clear, get information about, help its allocation algorithm, the network planning and business game to carry out necessary adjustment, with the whole utilization rate that improves the sign indicating number resource, make the network planning and the more realistic demand of business game to the sign indicating number resource.
By the unaccepted number of times of user applies channel code resource is measured, can totally reflect the limited situation of yard resource.
Further, described the unaccepted number of times of user applies channel code resource is measured, being comprised: the radio resource control RRC that causes because of the sign indicating number resource congestion is connected set up unaccepted number of times and measure; Assign the number of times of setting up failure to measure to the RAB that causes because of the sign indicating number resource congestion; Assign the measurement and the PS territory RAB that set up the frequency of failure to assign the measurement of setting up the frequency of failure at CS territory RAB.Measurement by these parameters can reflect the particular problem that network exists.
Enforcement by the inventive method, can obtain valuable network data at close quarters, and can make the network adjustment more reasonable, and then effectively utilize Limited resources so that the radio communication service of big capacity, two-forty to be provided in conjunction with existing power measurement and control technology.
Description of drawings
Fig. 1 is the flow chart of steps of method example one;
Fig. 2 is the flow chart of steps of method example two;
Fig. 3 is the flow chart of steps of method example three;
Fig. 4 is the flow chart of steps of method example four.
Embodiment
In order to obtain valuable network data at close quarters, with the better optimize network, the invention provides a kind of code resource information that obtains to optimize the method for network, comprise following key step:
A, appointed area.
The relevant parameter of b, measurement sign indicating number resource.
C, optimize network according to measurement result.
At least measure one of following parameter among the described step b: take the number of users that each spreading factor SF sets up the professional RAB of wireless access; The unaccepted number of times of user applies channel code resource.
Wherein, the unaccepted number of times of user applies channel code resource is measured, further comprised: unaccepted number of times is set up in the radio resource control RRC connection that causes because of the sign indicating number resource congestion measured; Assign the number of times of setting up failure to measure to the RAB that causes because of the sign indicating number resource congestion; Assign the measurement and the PS territory RAB that set up the frequency of failure to assign the measurement of setting up the frequency of failure at CS territory RAB.
According to the regulation of step b, measure one of each parameter, perhaps the measurement in a closed series of relevant parameter all should be at the row of protection of the present invention.
Below specifically describe the inventive method by four examples.
Method example one: the sign indicating number resource utilization is measured, to optimize network.
Referring to shown in Figure 1, comprise following concrete steps:
S101, appointed area.
Described appointed area can be sub-district, RNC (radio network controller), service area (SA), lane place (LA), route district (RA).
S102, a measurement sign indicating number resource utilization.
Can adopt dynamic variable to measure the time average method of measurement of (GAUGE), based on the appointed area, be that 4,8,16,32,64,128,256,512 the number of users of setting up the RAB business is measured to taking SF.Described RAB business comprises: single business and a plurality of business, can measure respectively.
SF has reflected code word speed, thus can obtain the utilization rate of different rates code word by measurement, and then can correspondingly obtain the distribution condition of different rates code word and the distribution situation of different code word rate business.
S103, judge problem in the network according to measurement result, to optimize network.
Can obtain the distribution condition of different rates code word in the network by the utilization rate of different rates code word, and with this foundation of optimizing as the sign indicating number resource allocation algorithm.If measurement result shows that the utilization rate of this zone different rates code word is average, then the possibility of fragment to occur bigger for the sign indicating number resource, at this moment needs to consider to take code tree reformation scheduling algorithm to optimize the distribution of sign indicating number resource, improves the utilance of sign indicating number resource.
Can obtain the distribution situation of different code word rate business in the wireless network by the utilization rate of different rates code word, and with this as the foundation of optimizing the network planning.If it is many that measurement result shows that this zone takies the number of users of less SF, and sign indicating number is resource-constrained serious, and then operator can consider to carry out the dilatation in this area data territory.If measurement result shows this regional speech business proportion big (number of users that promptly takies bigger SF is many), data service is less, and then operator can consider the propaganda strength of increasing to this area data business in conjunction with actual conditions.
Method example two: on the basis of measuring the sign indicating number resource utilization, further measure the unaccepted number of times of request channel sign indicating number resource, to optimize network.
Referring to shown in Figure 2, comprise following concrete steps:
S201, appointed area.(S101 is identical with step)
S202, a measurement sign indicating number resource utilization.(S102 is identical with step)
S203, the unaccepted number of times of measurement request channel sign indicating number resource.
Can adopt accumulative total to measure (CC) method,, the unaccepted number of times of request channel sign indicating number resource be measured based on the appointed area.According to measurement result, can totally reflect the limited situation of sign indicating number resource in this zone, judge with preliminary whether this zone exists the resource-constrained problem of sign indicating number and the order of severity thereof.
S204, judge problem in the network according to measurement result, to optimize network.
Be rejected the measurement result of number of times based on request channel sign indicating number resource, and the measurement result of integrating step S202 sign indicating number resource utilization can further be located to the limited of sign indicating number resource.If sign indicating number is resource-constrained serious, but its actual utilization rate is not high (from this measurement result, enough code assignment should be arranged), then may be to cause that needs adopt code tree reformation algorithm or original reformation algorithm is optimized because too much fragment appears in code tree.
Method example three: on the basis of measuring sign indicating number resource utilization and the unaccepted number of times of request channel sign indicating number resource, further measure R RC connection is rejected the number of times and the RAB appointment frequency of failure, to optimize network.
Comprise following concrete steps referring to shown in Figure 3:
S301, appointed area.(S101 is identical with step)
S302, a measurement sign indicating number resource utilization.(S102 is identical with step)
S303, the unaccepted number of times of measurement request channel sign indicating number resource.(S203 is identical with step)
S304, measure R RC connection is rejected number of times and RAB assigns the frequency of failure.
Request channel sign indicating number resource is rejected the measurement result of number of times based on step S303, further can adopt the CC method of measurement, in the appointed area, unaccepted number of times is set up in the RRC connection that causes because of the sign indicating number resource congestion and measured, and assign the number of times of setting up failure to measure the RAB that causes because of the sign indicating number resource congestion.
S305, judge problem in the network according to measurement result, to optimize network.
Based on measurement result, can obtain the professional limited situation of setting up the time-code resource in the wireless network.
Set up unaccepted number of times and is connected the ratio of setting up unaccepted total degree than greatly the time (occurrence depends on the requirement of operator) with RRC when the RRC that causes because of the sign indicating number resource congestion connects, at first judge the actual operating position (from step S302, obtaining) of sign indicating number resource, if the sign indicating number resource utilization is not high, then need to optimize the allocation strategy of yard resource; If yard resource utilization is higher, illustrate that this regional sub-district of covering is too intensive, need to consider to optimize the network planning, this zone increase is covered the adjacent area together or adopts littler sub-district to cover the appointed area.
In that RAB is assigned in the measurement of failure, can measure respectively PS territory and CS territory.Based on this measurement result, can do further location to the limited situation of sign indicating number resource in the network.If the sign indicating number resource utilization that obtains in step 302 is not high, and the professional connection rate of CS is very high and the mortality PS business is very high, then may be because the fragment in the code tree is too many, needs employing code tree reformation algorithm or original reformation algorithm is optimized.
Method example four: on the basis of measuring sign indicating number resource utilization and the unaccepted number of times of request channel sign indicating number resource, further measure the number of times of direct-cut operation failure, to optimize network.
Comprise following concrete steps referring to shown in Figure 4:
S401, appointed area.(S101 is identical with step)
S402, a measurement sign indicating number resource utilization.(S102 is identical with step)
S403, the unaccepted number of times of measurement request channel sign indicating number resource.(S203 is identical with step)
The number of times of S404, the failure of measurement direct-cut operation.
Can adopt the CC method of measurement, the number of times that the direct-cut operation that causes because of the sign indicating number resource congestion is failed is measured.The measurement of the described direct-cut operation frequency of failure comprises: the alien frequencies direct-cut operation is gone into sub-district, alien frequencies direct-cut operation go out the sub-district, go into the sub-district and measure with the frequency of failure that direct-cut operation frequently goes out the sub-district with direct-cut operation frequently.
And then the switching that can draw described appointed area is gone into the sub-district and is switched the mortality that the sub-district.
S405, judge problem in the network according to measurement result, to optimize network.
Based on measurement result, can obtain the limited situation of direct-cut operation time-code resource in the wireless network.
Iff being that the mortality of sub-district higher, illustrating then that direct-cut operation algorithm parameter or load control algolithm parameter are provided with may be unreasonable.In this cell load very not high (it is low to go into the sub-district failure), but to switch to the very high sub-district of a load, then can be optimized: increase the triggering thresholding of alien frequencies and/or common frequency measurement, make alien frequencies and/or same direct-cut operation frequently take place not too easily by the respective algorithms parameter of following means to this sub-district; Perhaps, increase the congestion threshold of sub-district, share the load in the network effectively, make that the load state of network is more reasonable.
Iff being that mortality into the sub-district is higher, the direct-cut operation parameter of then explanation one side possibility adjacent area is provided with unreasonable, it is too high or load control algolithm parameter is unreasonable to be that the alien frequencies of this sub-district and/or common frequency measurement trigger thresholding on the other hand, under the very high situation of cell load, still do not initiate suitable switching or the load control algolithm makes the adjacent area share its load, at this moment can be optimized by following means: reduce alien frequencies and/or common frequency measurement and trigger thresholding, make alien frequencies and/or same direct-cut operation frequently take place easily; Perhaps, reduce the congestion threshold of sub-district, make the load of sub-district to share in time to the adjacent area, be unlikely to take place serious congestion, to guarantee network quality; Perhaps revise load control algolithm parameter, make the timely starting load in sub-district control and alleviate the load of sub-district; Perhaps the load balance parameter to the sub-district is optimized, and makes that the easy gravity treatment of user under the idle pulley is to neighbor cell, to alleviate the load of this sub-district on the cell boarder.
If it is all very high with the mortality that goes out the sub-district to go into the sub-district, and the sign indicating number resource utilization that obtains among the step S402 is very high, and judge tentatively that according to step S403 sign indicating number is resource-constrained serious, can judge that then this zone load has been tending towards saturated, and judge further whether this zone needs to increase with covering the adjacent area, perhaps adopt littler sub-district to cover this zone, handle to carry out the network optimization.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1, a kind of code resource information that obtains is characterized in that to optimize the method for network, comprises the following steps:
A, in the appointed area, measure the relevant parameter of sign indicating number resource;
B, optimize network according to measurement result.
2, the method for claim 1 is characterized in that, described steps A is measured one of following parameter at least:
Take the number of users that each spreading factor SF sets up the professional RAB of wireless access;
The unaccepted number of times of user applies channel code resource.
3, method as claimed in claim 2 is characterized in that, described step B comprises the following steps:
-according to taking the operating position that number of users correspondence that each SF sets up RAB obtains the different rates code word;
The difference of the utilization rate of-Ruo different rates code word judges that then fragment appears in the sign indicating number resource in predetermined scope, and with code tree reformation algorithm optimization network; Otherwise, remeasure.
4, method as claimed in claim 2 is characterized in that, described the unaccepted number of times of user applies channel code resource is measured, and comprising: the radio resource control RRC that causes because of the sign indicating number resource congestion is connected set up unaccepted number of times and measure.
5, method as claimed in claim 4 is characterized in that, described step B comprises the following steps:
-obtain the sign indicating number resource utilization according to measurement result;
-set up unaccepted number of times and be connected the ratio during of setting up unaccepted total degree with RRC when the RRC that causes because of the sign indicating number resource congestion connects greater than preset first threshold, if described resource utilization is less than the preset second threshold value, then adjust the allocation strategy of sign indicating number resource, to optimize network; Otherwise, increase the same covering adjacent area of described appointed area, perhaps adopt littler sub-district to cover the appointed area.
6, method as claimed in claim 2 is characterized in that, described the unaccepted number of times of user applies channel code resource is measured, and comprising: assign the number of times of setting up failure to measure to the RAB that causes because of the sign indicating number resource congestion.
7, method as claimed in claim 6, it is characterized in that described number of times measurement of assigning foundation to fail to the RAB that causes because of the sign indicating number resource congestion comprises: assign the measurement and the PS territory RAB that set up the frequency of failure to assign the measurement of setting up the frequency of failure at CS territory RAB.
8, method as claimed in claim 2 is characterized in that, described the unaccepted number of times of user applies channel code resource is measured, and comprising: the number of times to the direct-cut operation failure that causes because of the sign indicating number resource congestion is measured.
9, method as claimed in claim 8 is characterized in that, described direct-cut operation comprises: the alien frequencies direct-cut operation is gone into the sub-district, the alien frequencies direct-cut operation goes out the sub-district, goes into the sub-district and go out the sub-district with the frequency direct-cut operation with the frequency direct-cut operation.
10, method as claimed in claim 9 is characterized in that, described step B comprises the following steps:
-the switching that draws described appointed area is gone into the sub-district and is switched the mortality that the sub-district;
-Ruo only has the mortality that switches the sub-district greater than the 3rd default threshold value, then increases and switches the triggering thresholding that the sub-district; Or increase the congestion threshold of sub-district, to share the load in the network;
Greater than the 4th default threshold value, then reduce to switch triggering thresholding as if the mortality that only has switching to go into the sub-district into the sub-district; Or reduce the congestion threshold of sub-district, so that the load of this sub-district can be assigned to the adjacent area; Or the load balance parameter of sub-district adjusted so that on the cell boarder user's re eligible under the idle pulley to neighbor cell;
If the mortality of switch the sub-district is greater than the 4th default threshold value, and switch the sub-district mortality greater than the 3rd default threshold value, then increase the same covering adjacent area of described appointed area, perhaps adopt littler sub-district to cover the appointed area.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101911772A (en) * | 2008-01-25 | 2010-12-08 | 英国电讯有限公司 | Handover control |
| US8437310B2 (en) | 2008-01-25 | 2013-05-07 | British Telecommunications Public Limited Company | Handover control |
| CN103731859A (en) * | 2014-01-14 | 2014-04-16 | 中国联合网络通信集团有限公司 | Network resource optimizing method and device |
| WO2015054863A1 (en) * | 2013-10-17 | 2015-04-23 | 华为技术有限公司 | Method and equipment for locating network problems |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6747962B2 (en) * | 2000-10-10 | 2004-06-08 | Nokia Corporation | Method and apparatus for sharing uplink state flag (USF) with multiple uplink temporary block flows (TBFs) |
| US7266107B2 (en) * | 2000-11-23 | 2007-09-04 | Samsung Electronics Co., Ltd. | Apparatus and method for allocating a common channel in a CDMA mobile communication system |
| CN100492947C (en) * | 2003-03-26 | 2009-05-27 | 华为技术有限公司 | Radio resource control connection discharge method in wide band CDMA system |
| CN1275402C (en) * | 2003-09-19 | 2006-09-13 | 中兴通讯股份有限公司 | Channel code list renormalizing method for WCDMA system |
| ATE350842T1 (en) * | 2004-02-06 | 2007-01-15 | Stack Ltd | HANDLING AN SDU REJECT IN THE RRC UNIT OF A UMTS DEVICE |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101911772A (en) * | 2008-01-25 | 2010-12-08 | 英国电讯有限公司 | Handover control |
| US8437310B2 (en) | 2008-01-25 | 2013-05-07 | British Telecommunications Public Limited Company | Handover control |
| WO2015054863A1 (en) * | 2013-10-17 | 2015-04-23 | 华为技术有限公司 | Method and equipment for locating network problems |
| CN103731859A (en) * | 2014-01-14 | 2014-04-16 | 中国联合网络通信集团有限公司 | Network resource optimizing method and device |
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