CN101217761A - A radio frequency optimization evaluation method and device based on path loss data - Google Patents
A radio frequency optimization evaluation method and device based on path loss data Download PDFInfo
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- CN101217761A CN101217761A CNA2008100007170A CN200810000717A CN101217761A CN 101217761 A CN101217761 A CN 101217761A CN A2008100007170 A CNA2008100007170 A CN A2008100007170A CN 200810000717 A CN200810000717 A CN 200810000717A CN 101217761 A CN101217761 A CN 101217761A
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Abstract
The invention discloses a radio frequency optimization evaluation method and a method based on path loss data. In the method, the path loss coverage information of each cell at corresponding attention location is obtained for each radio frequency optimization scheme; the cell coverage information of each cell at corresponding attention location of each cell is obtained for each radio frequency optimization scheme according to the path loss coverage information of each cell and a radio frequency parameter which is prepared to be adopted; a network coverage information is obtained according to the obtained cell coverage information for each radio frequency optimization scheme; all radio frequency optimization schemes are evaluated according to the network coverage information, the invention can exactly evaluate the coverage performance which can be realized before the radio frequency optimization scheme is executed, thus evaluating and determining whether the radio frequency optimization scheme meets the requirement before the radio frequency optimization scheme is executed, thereby avoiding the impact on the current network subscribers caused by the problem of the radio frequency optimization scheme.
Description
Technical field
The present invention relates to the network optimization in the wireless communication field, particularly, relate to radio frequency optimization evaluation method and device, be used for the radio frequency prioritization scheme being assessed in network optimization process based on path loss data.
Background technology
Usually; under existing network state; the user usually can run into problems such as network failure that various influences use or inadequate resource; the network optimization promptly is to carry out parameter acquisition, data analysis by the mode that inserts operations such as hardware or software; find out the reason that influences network quality; by technological means or increase relevant hardware equipment and adjustment makes network reach optimal operational condition, make Internet resources obtain optimum efficiency.That is to say that the effect of wireless network is subjected to all multifactor influences, need guarantee the service quality of network by the network optimization, and along with the continuous development of network, the continuous generation of new technology, the network optimization will be more frequent.
Radio frequency optimization mainly solves covering problem, is the basis of guaranteeing network performance.So-called radio frequency optimization is by adjusting the technology that wireless parameter improves network performance.
At present, aspect the network optimization, mainly there is following deficiency in industry: do not have good method to assess the effect of radio frequency prioritization scheme in advance, like this, in case the adjustment scheme is unreasonable, may cause adverse influence to networked users; Perhaps, in case prioritization scheme does not reach the set goal, may need to carry out adjustment repeatedly.
For radio frequency optimization, adopt emulation tool to come the effect of simulative optimization scheme usually, thereby in advance scheme is assessed at present, but the precision of emulation is generally about 8dB, for the zone of circumstance complication, the precision of emulation may be lower, is difficult to satisfy the demand of optimizing.Mainly there are the following problems for the emulation mode that adopts at present:
1. in the radio transmission model, path loss is only relevant with distance, and independent of direction, so can't reflect the difference of wireless signal aspect propagation of different directions;
2. model not necessarily can reflect application site radio propagation characteristics on every side;
3. the precision of electronic chart influences simulated effect.
Be in " a kind of radio network optimization method of cdma system " No. 200310112566 Chinese patent at title, drive test data based on real network has been proposed, isolate the test data of single subdistrict, carry out the school mould respectively, and utilize these models to carry out emulation, analyze the method for selecting the proper optimization scheme.This method is the improvement to the traditional simulation mode, can improve simulation accuracy, but still can't reach the precision level of accurate optimization.
In sum, for the assessment of the radio frequency optimization scheme in network optimization stage, current have only a kind of means of emulation, can't satisfy exactly analysis optimization scheme effect of requirement in advance.
Summary of the invention
The radio frequency optimization evaluation method of considering correlation technique exists and can't satisfy exactly in advance the problem of analysis optimization scheme effect and propose the present invention, for this reason, the present invention aims to provide a kind of radio frequency optimization evaluation scheme based on path loss data, is used in the network optimization process radio frequency prioritization scheme being assessed.
According to an aspect of the present invention, provide a kind of radio frequency optimization evaluation method based on path loss data.
According to the embodiment of the invention, comprise following processing based on the radio frequency optimization evaluation method of path loss data:, obtain the path loss coverage information of each sub-district in corresponding concern position for each radio frequency optimization scheme; For each radio frequency optimization scheme, the radio frequency parameter according to the path loss coverage information and the preparation of each sub-district are adopted obtains the cell coverage information of each sub-district in corresponding concern position; For each radio frequency optimization scheme, the cell coverage information according to obtaining obtains network coverage information; According to network coverage information each radio frequency optimization scheme is assessed.
Wherein, the above-mentioned operation of obtaining the path loss coverage information is specially: each sub-district for relating in each radio frequency optimization scheme, obtain its test data; Isolate the coverage information of sub-district according to test data, and obtain the path loss coverage information according to the radio frequency parameter of above-mentioned coverage information and existing network.
Preferably, the operation of obtaining test data is specially: for not needing to carry out the sub-district that antenna is adjusted, adopt the test data of existing network; Carrying out the antenna adjustment for needs maybe needs the sub-district that increases newly, carries out hard emulation testing or field strength measurement and obtains test data.
Wherein, above-mentioned antenna adjustment comprises the adjustment to antenna height and/or antenna installation site.In addition, under the situation of carrying out hard emulation testing, can collect the test data of each sub-district disposable or in batches.
The coverage information of sub-district above-mentioned is included in the cell coverage information of corresponding concern position.
Above-mentioned network coverage information comprises that forward direction covers index and oppositely covers index, specifically comprises any and combination thereof of following index: forward direction received power, pilot tone coverage information, back emitted power.
In addition, radio frequency parameter above-mentioned comprises: antenna type, hang high, towards, angle of declination, cell transmit power.
According to a further aspect in the invention, provide a kind of radio frequency optimization apparatus for evaluating based on path loss data.
The radio frequency optimization apparatus for evaluating based on path loss data according to the embodiment of the invention comprises: the test data module is used for obtaining the test data of each sub-district that the radio frequency optimization scheme relates to; Path loss covers submodule, is connected to the test data module, is used for each radio frequency optimization scheme, obtains the path loss coverage information of correspondence according to the test data of each sub-district; Signal covers submodule, be connected to the path loss submodule, be used for for each radio frequency optimization scheme, obtain the signal coverage information of the corresponding concern position of each sub-district, and obtain network coverage information according to the signal coverage information of each sub-district according to the path loss coverage information; The analysis and evaluation submodule is connected to signal and covers submodule, is used for assessing each radio frequency optimization scheme according to network coverage information.
Preferably, above-mentioned path loss covers submodule, signal covers submodule and analysis and evaluation submodule composition data analysis module, data analysis module is used for obtaining according to test data the covering performance index of each radio frequency optimization scheme, and according to the covering performance index radio frequency prioritization scheme is assessed.
Utilize above-mentioned at least one technical scheme of the present invention, by in the radio frequency optimization process, obtaining the covering performance index of radio frequency optimization scheme according to the path loss data of collecting, can before implementing the radio frequency optimization scheme, assess its attainable covering performance exactly, whether satisfy the demands thereby can before the radio frequency optimization scheme implementation, assess/determine the radio frequency optimization scheme, avoid the existing network user being impacted owing to the problem of radio frequency optimization scheme.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart based on the radio frequency optimization evaluation method of path loss data according to the embodiment of the invention;
Fig. 2 is the detailed process flow chart based on the example of the radio frequency optimization evaluation method of path loss data according to the embodiment of the invention;
Fig. 3 is the block diagram based on the radio frequency optimization apparatus for evaluating of path loss data according to the embodiment of the invention.
Embodiment
As mentioned above, the radio frequency optimization evaluation method that adopts can't satisfy exactly the demand of the effect of analysis optimization scheme in advance at present, and Given this, the embodiment of the invention provides a kind of radio frequency optimization evaluation method and device based on path loss data.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Method embodiment
According to the embodiment of the invention, provide a kind of radio frequency optimization evaluation method based on path loss data.Fig. 1 shows the flow chart of this method.
As shown in Figure 1, the radio frequency optimization evaluation method based on path loss data according to the embodiment of the invention comprises following processing (step S102-step S108):
Step S102 for each radio frequency optimization scheme, obtains the path loss coverage information (that is, path loss data) of each sub-district in corresponding concern position;
Step S104, for each radio frequency optimization scheme, the radio frequency parameter according to the path loss coverage information and the preparation of each sub-district are adopted obtains the cell coverage information of each sub-district in corresponding concern position;
Step S106, for each radio frequency optimization scheme, the cell coverage information according to obtaining obtains network coverage information;
Step S108 assesses each radio frequency optimization scheme according to network coverage information.
Below will further describe the details of above-mentioned each step.
(1) step S102
In this step, the operation of obtaining the path loss coverage information is specially: for each sub-district that relates in each radio frequency optimization scheme, obtain its test data (that is, at first tested tissue); And isolate the coverage information of sub-district according to test data, and according to the radio frequency parameter of this coverage information and existing network (comprise antenna type, hang high, towards parameters such as, angle of declination, cell transmit power) obtain the path loss coverage information.
Here " coverage information of sub-district " mentioned is included in " cell coverage information " of the corresponding concern position of mentioning among the step S104.
Particularly: (1) is for not needing to carry out the sub-district that antenna is adjusted, adopt the test data of existing network, isolate the coverage information of sub-district according to test data, and the path loss coverage information of respectively being paid close attention to the position according to the radio frequency parameter and the coverage information of existing network;
(2) carry out the sub-district that antenna is adjusted for needs, organize hard emulation testing, disposable or collect the test data of each sub-district in batches, and separate and obtain the path loss coverage information; Perhaps organize field strength measurement to obtain test data one by one, obtain the coverage information of each sub-district again, and then separation obtains information on path loss each sub-district;
(3) for the newly-increased sub-district of needs, organize hard emulation testing, disposable or collect the test data of each sub-district in batches, and separate and obtain the path loss coverage information; Perhaps organize field strength measurement to obtain test data one by one, obtain the coverage information of each sub-district again, and then separation obtains information on path loss each sub-district.
Wherein, above-mentioned antenna adjustment comprises the adjustment to antenna height and/or antenna installation site, do not comprise antenna towards and angle of declination, do not comprise the variation of antenna type yet.
In addition, the concern position of mentioning in this step comprises the road of optimizing the zone, and some needs the position of priority support.Based on this, each cell coverage information of paying close attention to the position can be road coverage information and/or fixed position coverage information, and wherein, the road coverage information can obtain by drive test, and the fixed position coverage information can obtain by fixed test.
(2) step S104
The radio frequency parameter that the preparation mentioned in this step is adopted comprises antenna type, it is high to hang, towards parameters such as, angle of declination, cell transmit power.
(3) step S106
The network coverage information of mentioning in this step can be understood as the covering performance index, comprise that specifically forward direction covers index and oppositely covers index, particularly, can comprise any and combination of following index: forward direction received power, pilot tone coverage information, back emitted power.
(4) step S108
In this step, to the network coverage information (coverage effect) of each radio frequency optimization scheme when analyzing, need assess (can determine evaluation criteria) according to the priority of zones of different according to concrete project, and, select optimal scheme to submit to and implement according to the assessment result of each radio frequency optimization scheme.
If find that through assessment all radio frequency optimization schemes all do not reach requirement, then can adjust each radio frequency optimization scheme and implement test analysis again.
The present invention may be better understood by example given below.
Example: CDMA speech business road coverage optimization
Fig. 2 shows the detailed process flow process of this example, as shown in Figure 2, specifically comprises following operation:
Step 201, (for example, optimizing the engineer) is to the existing network tested tissue; Test route is refinement as far as possible, for the bigger zone of customer volume, collects the data of all roads as far as possible;
Step 202, according to test result (test data), the problem that exists in the phase-split network proposes preliminary prioritization scheme;
Step 203 for the sub-district that needs to adjust antenna height or installation site in the prioritization scheme, and needs newly-increased sub-district, organizes hard emulation testing, collects the corresponding test data in each sub-district;
Step 204, according to the real network test data, and the test data that obtains of hard emulation, obtain the test data of each sub-district, and then, obtain the path loss data of each sub-district according to radio frequency parameter; (in this step, derive the path loss data according to test data and can finish) by specific purpose tool;
Step 205 according to the radio frequency parameter that each sub-district needs in the prioritization scheme are provided with, obtains the coverage effect of each optimizing cells scheme;
Step 206 according to the coverage effect of each sub-district, can obtain the coverage effect of whole network optimization scheme;
Step 207 is assessed the coverage effect of prioritization scheme;
In this step, evaluating standard can be: (1) at first, the regional effect that guarantees the telephone traffic maximum is variation not; (2) secondly, telephone traffic is big, and whether network existing problems zone improves; (3) once more, other overlay area variation not; (4) last, whether other uncovered area improves.
Step 208 confirms whether meet the demands; If can meet the demands, continue step 209; Otherwise the branch situation is handled.
Particularly,, find out the zone of not satisfying the covering demand, related cell is adjusted, at first confirm to adjust radio frequency parameter and whether can satisfy the demands for the situation that can't satisfy the covering demand; If can satisfy the demands after adjusting, then after parameter adjustment, return step 205.Adjustable radio frequency parameter comprises towards, angle of declination, antenna type, transmitting power etc.When analyzing adjusted coverage effect, need pay close attention to the variation in other zone simultaneously, finally whether satisfy the demand based on the effect of whole network.Can't satisfy the demands if adjust above parameter, then analyze and adjust antenna extension height, site location, adjust prioritization scheme, return step 203 or/and whether the increase and decrease website can satisfy the demands.Reorganize the hard emulation testing of adjusting website, and utilize new data of collecting to replace corresponding station data, analyze again, confirm whether satisfy the demands.
Step 209, in case prioritization scheme satisfies the demands, the output corresponding scheme can be organized the implementation of the project after relevant unit's affirmation.
For those of ordinary skills; be appreciated that; all or part of step in the foregoing description method can instruct relevant hardware to realize by program; above-mentioned program can be stored in the storage medium of embodied on computer readable, and this storage medium and hardware etc. are all within protection scope of the present invention.
Device embodiment
According to the embodiment of the invention, provide a kind of radio frequency optimization apparatus for evaluating based on path loss data.Fig. 3 shows the structured flowchart of this device.
As shown in Figure 3, the radio frequency optimization apparatus for evaluating based on path loss data according to the embodiment of the invention comprises: test data module 302, path loss cover submodule 304, signal covers submodule 306, analysis and evaluation submodule 308; Preferably, path loss covering submodule 304, signal cover submodule 306, analysis and evaluation submodule 308 can be formed data analysis module 310.
Each above-mentioned module below will be described in further detail.
Path loss covers submodule 304, is connected to test data module 302, is used for for each radio frequency optimization scheme, obtains the path loss coverage information (that is path loss data) of correspondence according to the test data of each sub-district.
Signal covers submodule 306, be connected to path loss submodule 304, be used for for each radio frequency optimization scheme, obtain the signal coverage information of the corresponding concern position of each sub-district in the corresponding radio frequency optimization scheme according to the path loss coverage information, and obtain network coverage information according to the signal coverage information of each sub-district, that is, obtaining the signal of whole network in each position covers.
Analysis and evaluation submodule 308 is connected to signal and covers submodule 306, is used for assessing each radio frequency optimization scheme according to network coverage information, and then determines whether each radio frequency optimization scheme satisfies the demands.
Cover in above-mentioned path loss under the situation of submodule 304, signal covering submodule 306 and analysis and evaluation submodule 308 composition data analysis modules 310, data analysis module 310 is connected to test data module 302, be used for obtaining the covering performance index of each radio frequency optimization scheme, and the radio frequency prioritization scheme assessed according to the covering performance index according to test data.
As mentioned above, by means of the present invention, can in the radio frequency optimization process, derive the covering performance index of radio frequency optimization scheme according to the path loss data of collecting, thereby can implement to assess the covering performance that prioritization scheme can be realized exactly before the radio frequency optimization scheme, and then whether definite radio frequency optimization scheme satisfy the demands, thereby can avoid because the problem of radio frequency optimization scheme and the existing network user is impacted.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the radio frequency optimization evaluation method based on path loss data is characterized in that, comprising:
For each radio frequency optimization scheme, obtain the path loss coverage information of each sub-district in corresponding concern position;
For each radio frequency optimization scheme, the radio frequency parameter according to the described path loss coverage information and the preparation of each sub-district are adopted obtains the cell coverage information of each sub-district in described corresponding concern position;
For each radio frequency optimization scheme, the described cell coverage information according to obtaining obtains network coverage information;
According to described network coverage information each radio frequency optimization scheme is assessed.
2. method according to claim 1 is characterized in that, the operation of obtaining described path loss coverage information is specially:
Each sub-district for relating in each radio frequency optimization scheme obtains its test data;
Isolate the coverage information of sub-district according to described test data, and obtain described path loss coverage information according to the radio frequency parameter of described coverage information and existing network.
3. method according to claim 2 is characterized in that, the operation of obtaining described test data is specially:
For not needing to carry out the sub-district that antenna is adjusted, adopt the test data of existing network;
Carrying out the antenna adjustment for needs maybe needs the sub-district that increases newly, carries out hard emulation testing or field strength measurement and obtains described test data.
4. method according to claim 3 is characterized in that, described antenna adjustment comprises the adjustment to antenna height and/or antenna installation site.
5. method according to claim 3 is characterized in that, under the situation of carrying out hard emulation testing, disposable or collect the test data of described each sub-district in batches.
6. method according to claim 2 is characterized in that, the described coverage information of each sub-district is included in the described cell coverage information of described corresponding concern position.
7. method according to claim 1 and 2 is characterized in that, described radio frequency parameter comprises: antenna type, hang high, towards, angle of declination, cell transmit power.
8. method according to claim 1, it is characterized in that, described network coverage information comprises that forward direction covers index and oppositely covers index, specifically comprises any and combination thereof of following index: forward direction received power, pilot tone coverage information, back emitted power.
9. the radio frequency optimization apparatus for evaluating based on path loss data is characterized in that, comprising:
The test data module is used for obtaining the test data of each sub-district that the radio frequency optimization scheme relates to;
Path loss covers submodule, is connected to described test data module, is used for for each radio frequency optimization scheme, obtains the path loss coverage information of correspondence according to the test data of each sub-district;
Signal covers submodule, be connected to described path loss submodule, be used for for each radio frequency optimization scheme, obtain the signal coverage information of the corresponding concern position of each sub-district, and obtain network coverage information according to the signal coverage information of each sub-district according to described path loss coverage information;
The analysis and evaluation submodule is connected to described signal and covers submodule, is used for assessing each radio frequency optimization scheme according to described network coverage information.
10. device according to claim 9, it is characterized in that, described path loss covers submodule, described signal covers submodule and described analysis and evaluation submodule composition data analysis module, described data analysis module is used for obtaining according to described test data the covering performance index of each radio frequency optimization scheme, and according to described covering performance index the radio frequency prioritization scheme is assessed.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812584A (en) * | 2012-11-15 | 2014-05-21 | 中国移动通信集团河南有限公司 | Antenna type selection method and device of shared antenna feeder community |
| CN107872805A (en) * | 2016-09-23 | 2018-04-03 | 中兴通讯股份有限公司 | Parameter acquiring method and device, network side equipment |
| CN110907977A (en) * | 2018-09-17 | 2020-03-24 | 中兴通讯股份有限公司 | Information processing method and device and computer storage medium |
| CN112906999A (en) * | 2019-11-19 | 2021-06-04 | 中国移动通信集团安徽有限公司 | Method and device for evaluating optimization effect of telephone traffic index and computing equipment |
-
2008
- 2008-01-14 CN CNA2008100007170A patent/CN101217761A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812584A (en) * | 2012-11-15 | 2014-05-21 | 中国移动通信集团河南有限公司 | Antenna type selection method and device of shared antenna feeder community |
| CN103812584B (en) * | 2012-11-15 | 2015-11-11 | 中国移动通信集团河南有限公司 | A kind of system of selection of the antenna type of antenna feeder community altogether and device |
| CN107872805A (en) * | 2016-09-23 | 2018-04-03 | 中兴通讯股份有限公司 | Parameter acquiring method and device, network side equipment |
| CN107872805B (en) * | 2016-09-23 | 2022-04-29 | 中兴通讯股份有限公司 | Parameter acquisition method and device and network side equipment |
| CN110907977A (en) * | 2018-09-17 | 2020-03-24 | 中兴通讯股份有限公司 | Information processing method and device and computer storage medium |
| CN112906999A (en) * | 2019-11-19 | 2021-06-04 | 中国移动通信集团安徽有限公司 | Method and device for evaluating optimization effect of telephone traffic index and computing equipment |
| CN112906999B (en) * | 2019-11-19 | 2023-08-18 | 中国移动通信集团安徽有限公司 | Telephone traffic index optimization effect evaluation method and device and computing equipment |
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