CN103188715B - The method of Radio Resource automatic monitoring scheduling and device - Google Patents
The method of Radio Resource automatic monitoring scheduling and device Download PDFInfo
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- CN103188715B CN103188715B CN201110450998.1A CN201110450998A CN103188715B CN 103188715 B CN103188715 B CN 103188715B CN 201110450998 A CN201110450998 A CN 201110450998A CN 103188715 B CN103188715 B CN 103188715B
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Abstract
The invention provides method and the device of the scheduling of a kind of Radio Resource automatic monitoring, the method comprises: steps A, acquisition need the community of carrying out wireless resource scheduling; Step B, need the community of carrying out wireless resource scheduling to carry out the process of carrier frequency License automatic adaptation effectively can to shorten monitor duration to described, reducing people be misjudgment, effectively the operating efficiency of raising wireless resource scheduling.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method of dispatching based on the Radio Resource automatic monitoring of Multi-Carrier Power Amplifier (MultipleCarrierPowerAmplifier, MCPA) networking and device.
Background technology
Under normal circumstances, the social activities of mobile subscriber has certain regularity, and so, the Different periods of the telephone traffic in Multi-Carrier basestation coverage in one day will produce very large fluctuation.In order to improve the utilance of frequency resource, the carrier frequency License number that Multi-Carrier basestation distributed to by base station controller (BSC) also can change along with the change of telephone traffic, and then makes the power output of the power amplifier of Multi-Carrier basestation inside (being called multi-carrier power amplifier) can produce very large fluctuation.Existing network emergency ensures that flow process (carrier wave expands, subtract appearance class) relates generally to two specialties, and idiographic flow is as follows:
The first step, index analysis: the monitoring tools provided by equipment vendors is carried out index and presents, for Huawei M2000 webmaster, its conventional statistic granularity is 60 minutes, data processing duration generally needs 20 minutes to 45 minutes, namely add up end period to terminate to obtain statistical report form from network management platform in latter 20 minutes, as 18:00 ~ 19:00 statistics, usually 19:20/after can obtain statistical report form.
Second step, Indexes Abnormality: after obtaining traffic report, operator on duty carries out analysis to achievement data and judges, relates to index and comprises access class, keeps class, quality class and several resources-type indexs.For the base station of Indexes Abnormality, operator on duty by checking base station state, channel occupancy situation analysis reason on webmaster, and general monitoring period is 15 minutes.
3rd step, solution formulation: carry out fault location to abnormal index and formulate prioritization scheme, comprise troubleshooting, parameter optimization and carrier wave and expand, subtract appearance.Last duration and be generally 5 minutes.
4th step, carrier wave expand, subtract appearance: formulate resource scheduling scheme according to wireless network actual conditions, Consideration comprises carrier wave hardware, carrier frequency License, transmission, CDU (combining and distribution unit) and other corresponding problem, lasts about 10 minutes.
5th step, the single wireless Dai Wei of group: by the single wireless professional main equipment generation dimension of e-platform group, and by generation dimension Contact Dept assigned tasks, last 10 minutes.
6th step, on-the-spot dilatation: formulate stationary point team by maintenance company and carry out on-the-spot dilatation according to assigned tasks, if there is no carrier wave spare part, also need first to remove from other websites; The hardware scheduling time, depending on website road situation, generally needs more than 2 hours.During on-the-spot dilatation, network optimization personnel need to coordinate at BSC, choose suitable frequency, set up carrier frequency License data at webmaster, generally need to last about 15 minutes.
But, when stating prior art on the implementation, can find to there is the problem that analysis phase monitoring delay is long, index guarantee relies on subjective experience in the prior art.
(1) to extend during monitoring: the granularity due to traffic statistics is 60 minutes, and with the data processing duration of 45 minutes, therefore after network problem occurs, because monitoring delay is comparatively large, cannot Timeliness coverage problem, problem points easily escalates into complaint point.
(2) index guarantee relies on subjective experience: on the one hand due to the shortage of support facility, monitor staff is in the process of carrying out problem points analysis, how many need of dilatation, dilatation to problem points, other Mating parameters is analyzed one by one the need of adjustment (adjustment etc. as the configuration of data business time-slot, SDCCH (Separate Dedicated Control Channel) channel configuration, half rate thresholding).Except with reference to except traffic measurement index and webmaster hardware configuration, substantially rely on the subjective experience of monitor staff.On the one hand the ageing requirement monitor staff of index safeguard work must quick position solve fault in addition.Troubleshooting is made to become more subjective, and with causing the problem such as the wasting of resources and managerial confusion.
Summary of the invention
The invention provides method and the device of the scheduling of a kind of Radio Resource automatic monitoring, effectively improve the operating efficiency of wireless resource scheduling.
In order to achieve the above object, the invention provides the method for a kind of Radio Resource automatic monitoring scheduling, comprising:
Steps A, acquisition need the community of carrying out wireless resource scheduling;
Step B, the process of carrier frequency License automatic adaptation is carried out to the described community of carrying out wireless resource scheduling that needs.
Preferably, described steps A specifically comprises:
The traffic statistics of community is collected in predetermined time section;
According to described traffic statistics, analysis is carried out to the SDCCH congestion ratio of community and/or TCH congestion ratio and judges, to pick out the community needing to carry out wireless resource scheduling.
Preferably, described to SDCCH congestion ratio carry out analyze judge step comprise:
When the SDCCH congestion ratio of described community reaches SDCCH congestion threshold value, judge whether the SDCCH channel serviceability rate of described community equals 1, if be less than 1, then enter channel serviceability rate optimization process flow; If equal 1, then judge SDCCH channel whether full configuration further, if SDCCH channel does not have full configuration, then increase SDCCH channel, then continue to collect the traffic statistics in next predetermined time section;
If SDCCH channel full configuration, then show that described community is the community needing to carry out wireless resource scheduling.
Preferably, described to TCH congestion ratio carry out analyze judge step comprise:
When the TCH congestion ratio of described community reaches TCH congestion threshold value, judge whether the TCH serviceability rate of described community equals 1, if be not equal to 1, then enter channel serviceability rate optimization process flow; If equal 1, then continue to judge whether the adjacent area of described community exists fault, if break down in adjacent area, then alarm;
If there is not fault in adjacent area, then continue to judge whether described community is crossed to cover, under the scene of suburb, cross coverage coefficient when described community and be less than the first pre-determined factor, or, when coverage coefficient is less than the second pre-determined factor excessively under urban settings, enter the flow process of half rate self-adaptive processing; If cross coverage coefficient to exceed thresholding, then entered Mulching treatment flow process;
Point scene judges whether the half rate traffic ratio of described community exceedes half rate threshold value, if do not exceed half rate threshold value, then carries out half rate adaptation processing flow process; Otherwise, show that described community is the community needing to carry out wireless resource scheduling.
Preferably, the flow process of described half rate self-adaptive processing comprises:
Channel occupancy situation and the traffic statistics in acquisition predetermined time section of scanning community;
When the congested of described community or channel seizure ratio reach half rate door capable of being opened limit value, start half rate and adjust and reduce half rate enabling gate limit value, then obtaining the information of next community;
When described community is not congested while, channel seizure ratio does not reach half rate door capable of being opened limit value, record this cell telephone traffic statistics, when in continuous at least two measurement periods, described community is not congested, and during traffic not super half rate enabling gate limit value, improve half rate enabling gate limit value till closedown half rate, otherwise keep described community half rate.
Preferably, after described steps A, before described step B, described method also comprises:
By needing the community of carrying out wireless resource scheduling to rank, determine the priority of wireless resource scheduling;
Described step B is specially:
According to the priority determined, new carrier frequency License is opened to the forward cell preference of queuing, and/or, carrier frequency License is closed to the community of queuing up rearward.
Preferably, before described step B, described method comprises:
The number of the carrier frequency License of scanning base station controller;
When the number deficiency of the carrier frequency License of base station controller, described base station controller configures new carrier frequency License.
Preferably, described the step needing the community of carrying out wireless resource scheduling to rank specifically to be comprised:
After obtaining the community needing to carry out wireless resource scheduling, to described community according to the pre-conditioned weighted value arranging each community;
Each weighted value is added together the foundation as described ranking cells, determines the priority of wireless resource scheduling.
The device that the present invention also provides a kind of Radio Resource automatic monitoring to dispatch, comprising:
Choose module, for obtaining the community needing to carry out wireless resource scheduling;
Carrier wave adaptation module, for carrying out the process of carrier frequency License automatic adaptation to the described community of carrying out wireless resource scheduling that needs.
Preferably, also comprise:
Order module, for by needing the community of carrying out wireless resource scheduling to rank, determines the priority of wireless resource scheduling;
Described carrier wave adaptation module is further used for the priority according to determining, before leaning on queuing, cell preference opens new carrier frequency License, and/or, carrier frequency License is closed to the community of queuing up rearward.
As shown from the above technical solution, embodiments of the invention have following beneficial effect: need the community of carrying out wireless resource scheduling by obtaining; Then the process of carrier frequency License automatic adaptation is carried out to the described community of carrying out wireless resource scheduling that needs, people can be effectively reduced for misjudgment, greatly shorten the time of wireless resource scheduling, increase work efficiency.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of Radio Resource automatic monitoring scheduling in embodiments of the invention;
Fig. 2 is the particular flow sheet of index monitoring, analysis in embodiments of the invention;
Fig. 3 is the flow chart of half rate automatic adaptation in embodiments of the invention;
Fig. 4 is the flow chart of carrier frequency License automatic adaptation process in embodiments of the invention;
Fig. 5 is the particular flow sheet queued up in embodiments of the invention small area;
Fig. 6 is the flow chart of embodiments of the invention small area self adaptation dilatation;
Fig. 7 is the flow chart that embodiments of the invention small area self adaptation subtracts appearance;
Fig. 8 is the flow chart of embodiments of the invention medium frequency automatic adaptation;
Fig. 9 is the structure drawing of device of Radio Resource automatic monitoring scheduling in embodiments of the invention.
Embodiment
In an embodiment of the present invention, first acquisition needs the community of carrying out wireless resource scheduling; Then to needing the community of carrying out wireless resource scheduling to carry out the process of carrier frequency License automatic adaptation.
Better can understand the Radio Resource automatic monitoring scheduling processing flow in this enforcement for the ease of those skilled in the art, below the implication of multi-carrier power amplifier and soft capacity be made an explanation:
(1) multi-carrier power amplifier: simple understanding is exactly that polylith logical carrier is integrated on one block of physical carrier plate, its architected features is that digital intermediate frequency closes road replacement analog radio frequency conjunction road, without combination loss.Portion radio frequency front-end devices and carrier units integrated, multiple carrier wave use a radio-frequency channel, share one group of power amplifier, simplify base station architecture.
For Huawei base station equipment BTS3900, configurable MRFU (the MulticarrierRadioFilterUnit in BTS3900 model base station, multicarrier RF filtering unit) subcarrier plate, MRFU is the RF filtering unit based on multi-transceiver technology design, and a MRFU module can complete at most the process of six carrier waves.MRFU module mainly completes the function such as modulation /demodulation, data processing, co-shunt of baseband signal and radiofrequency signal.Adopt Direct frequency conversion at transmission channel, modulate the signal to GSM (GlobalSystemofMobilecommunication, global system for mobile communications) transmit frequency band, through filter and amplification or after merging, be sent to antenna transmission by duplexer filter.By antenna feeder received RF signal, Received signal strength is downconverted to intermediate-freuqncy signal, and carry out amplification process, analog-to-digital conversion, Digital Down Convert, matched filtering, AGC (AutomaticGainControl, automatic growth control) after send to BBU (BuildingBasebandUnit, indoor baseband processing unit) to process.
MRFU inside modules mainly comprises: High-speed Interface Card, signal processing unit, power amplifier unit and duplex unit.Every block carrier wave veneer in BTS3900 base station is maximum supports 6 pieces of logical carrier, when hardware configuration full configuration, maximumly supports that S12/12/12 configures.Therefore, the unlatching number of carrier wave is in fact only by the quantitative limitation of BSC overall carrier frequency License number.
It is appreciated of course that, do not limit the manufacturer of this multi-carrier power amplifier base station and concrete model in the present embodiment.Only be introduced for Huawei's base station BTS 3900 below, adopt other multi-carrier power amplifier base stations realize Radio Resource automatic monitoring scheduling processing procedure similar, this no longer apply state.
(2) soft capacity: the capacity of multi-carrier power amplifier formula base station relates in hardware and software two in actual networking.Mainly limit by physical carrier veneer number at hardware aspect, for Huawei's base station BTS 3900, polylith logical carrier is integrated on one piece of physical carrier veneer, and therefore an openable logic carrier frequencies License number in community is the multiple of 6.Do not considering that, under the prerequisite that carrier frequency License limits, the upper limit that we can open logical carrier according to physical carrier veneer computing network is called network hardware capacity, be called for short " hard capacity ".
And in a practical situation, the unlatching of logical carrier is actual is limit by carrier frequency License, the unlatching of each block logical carrier all needs carrier frequency License to authorize.Therefore network configuration logic carrier frequencies License quantity reflect the actual configurable capacity of network, can be referred to as " software capacity ", be called for short " soft capacity ".
Generally, " soft capacity " is all less than " hard capacity " in a network, namely authorizes carrier frequency License number to be less than the supported logical carrier sum of hardware.Therefore, when " hard capacity " is sufficient, daily carrier wave expands and subtracts appearance just without the need to artificially carrying out hardware operation to scene, only by the object just can expanding, subtract appearance at webmaster Update Table the time.
In the present embodiment, this can realize the characteristic of quick dilatation can to utilize soft capacity, by program, network traffic situation is monitored, analyze and carrier wave expand subtract hold scheduling, thus reach to traffic move more frequently region (as export of labour services city, industrial park, school etc.), traffic burst region (physical culture place, Conference Room etc.), there is public safety incident area (highway, railway, mining area etc.) and carry out the object that ensures.Therefore, in networking process, require that the carrier frequency License of software in same BSC must be greater than hardware capabilities, and transmission to reserve enough spaces for dilatation needs.
In order to make the object of the embodiment of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the embodiment of the present invention is described in detail.At this, illustrative examples of the present invention and illustrating for explaining the present invention, but not as a limitation of the invention.
See Fig. 1, be the method flow diagram of soft capacity Automatic dispatching wireless in embodiments of the invention, concrete steps are as follows:
Step 101, acquisition need the community of carrying out wireless resource scheduling;
Such as: the traffic statistics collecting community in predetermined time section; Then according to traffic statistics, analysis is carried out to the SDCCH congestion ratio of community and/or TCH congestion ratio and judges, to pick out the community needing to carry out wireless resource scheduling.
In the present embodiment, this predetermined time section can be 15 minutes, also can be 5 minutes, be introduced for 15 minutes for this predetermined time below.It is appreciated of course that, do not limit the occurrence of this predetermined time in the present embodiment.
Step 102, by needing the community of carrying out wireless resource scheduling to rank, determine the priority of wireless resource scheduling;
Step 103, according to the priority determined, before leaning on queuing, cell preference opens new carrier frequency License, and/or carrier frequency License is closed in community rearward to queuing up.
Introduce above-mentioned steps 101 ~ step 103 in detail below in conjunction with accompanying drawing how to realize.Above-mentioned steps 101 specifically can comprise, first judge that whether base station type is the type of extendible capacity, if, then system starts to collect the traffic statistics in a predetermined time (such as 15 minutes) section, then respectively to SDCCH congestion ratio and TCH (Traffic Channel) the congestion ratio analysis judgement of community, pick out the community needing to carry out wireless resource scheduling, then to needing the community of carrying out wireless resource scheduling to carry out the process of carrier frequency License automatic adaptation.
In the present embodiment, carry out analyzing the process judged to the SDCCH congestion ratio of community can comprise:
First, judge whether the SDCCH congestion ratio of community reaches SDCCH congestion threshold value (such as this SDCCH congestion threshold value can be set to 1%, and its value is adjustable), if, then continue to have judged whether, because carrier wave is crossed in the congested dilatation of SDCCH, if so, then to eject alarm; If not, then continue to judge whether the serviceability rate of the SDCCH channel of community equals 1, if not, then enter channel serviceability rate Optimizing Flow; If, then judge SDCCH channel whether full configuration further, if SDCCH channel does not have full configuration, then increase SDCCH channel (such as increasing by 1 SDCCH channel), the traffic statistics then continuing to collect next predetermined time section interior (15 minutes) continues to analyze; If SDCCH channel full configuration, then show that community is the community needing to carry out wireless resource scheduling, enter carrier frequency License automatic adaptation flow process.
In the present embodiment, carry out analyzing the process judged to TCH congestion ratio can comprise:
First, (such as this TCH congestion threshold value can be set to 5% to judge the TCH congestion ratio of community whether to reach TCH congestion threshold value, its value is adjustable), if so, expand in retrieving 24 hours and subtract appearance record, judge whether this community had carried out dilatation (such as whether carrying out twice dilatation) further, if, then stop this community analysis process, eject alarm, and obtain next cell list; If not, then continue to judge whether the TCH serviceability rate of community equals 1, if be less than 1, just think that community exists that the New function etc. of fault or community causes, and therefore enters channel serviceability rate Optimizing Flow, now, artificial selection can terminate or continue; If equal 1, then continue to judge whether the adjacent area of community exists fault, if break down in adjacent area, then think that adjacent area fault causes this cell telephone traffic congested, therefore eject alarm on the one hand, artificial selection can terminate or continue on the one hand in addition; If adjacent area does not exist fault, then continue to judge whether this community is crossed and cover.
System morning every night 3 ~ 4 NASTAR data can extracting the previous day (corresponding to NCS and FAS of Ericsson, i.e. nearby region measurement data statistics and frequency measurement data statistics), according to the algorithm of " gsm wireless Topological expansion job guide suggestion V1 ", what calculate each community crosses coverage coefficient.When congested cell mistake coverage coefficient under the scene of suburb is less than the first pre-determined factor, (such as the first pre-determined factor is 1.8, its value is adjustable), under urban settings, cross coverage coefficient be less than the second pre-determined factor (such as the second pre-determined factor is 1.5, its value is adjustable) time, flow process enters half rate judgement flow process; If cross coverage coefficient to exceed thresholding, then entered Mulching treatment flow process, and under the scene of suburb, namely crossed coverage coefficient be more than or equal to the first pre-determined factor, under urban settings, cross coverage coefficient be more than or equal to the second pre-determined factor.
If community is without covering or artificial selection continue excessively, then point scene judges the half rate traffic ratio of community whether to exceed half rate threshold value (half rate threshold value is city 20%, suburb 10%, its value is adjustable), if do not exceed half rate threshold value, then call half rate adaptation algorithm; Otherwise just start the carrier frequency License scanning BSC.When the carrier frequency License of BSC is sufficient, then enter the handling process that will the community of carrying out wireless resource scheduling needed to rank.In time finding the deficiency of carrier frequency License of BSC, then enter carrier frequency License automatic adaptation flow process.Adaptive success, then rescan the carrier frequency License of BSC, and adaptive failure then stops this flow process and ejects alarm, and again obtains next base station information.
See Fig. 2, be the particular flow sheet of index monitoring, analysis in embodiments of the invention, concrete steps are as follows:
Step 201, scanning cell base station type;
Step 202, acquisition extendible capacity base station information;
Namely, first judge that whether base station type is the type of extendible capacity, if so, then system starts to collect the traffic statistics in a predetermined time (such as 15 minutes) section
Step 203, the traffic statistics obtained in predetermined amount of time, then perform step 204 and step 216;
In the present embodiment, such as this predetermined amount of time is 15 minutes, also can be 5 minutes.In the present embodiment, because the Radio Resource automatic monitoring scheduling based on multicarrier power amplifier technology can support 15 minutes granularities, or even the index monitoring of 5 minutes granularities, by obtaining and resolve 15 minutes traffic measurement files that network element generates, the time noted abnormalities was shortened to 15 minutes from 1 hour more than 20 minutes, substantially increase efficiency, making to process bursts of traffic in time becomes possibility;
In the present embodiment, run owing to adopting 15 minutes loop cycle, complete automatic acquisition and calculate carrier frequency Licenses situation in network element, obtain each cell name, obtain 15 minutes traffic measurement files and main monitoring half rate traffic ratio, in actual use, each network element run once time (without dilatation demand) when 45 seconds in can complete.When finding that half rate exceedes pre-determined threshold, program carries out dilatation order loading automatically, within average 85 seconds to 96 seconds, can complete a carrier wave dilatation.Significantly shorten more than when the dilatation time is less than 2 required for traditional approach, and carry out hardware adjustment without the need to personnel to scene, cost of labor is close to zero.
Further, due to Radio Resource automatic monitoring scheduling processing flow can close in the little time granularity of 15 minutes monitoring and the automatic dilatation of Rapid Implementation, can effectively tackle bursts of traffic scene, quick solution network congestion problem, in actual applications, effectively can reduce network congestion rate, reduce half rate traffic ratio, ensure the perception of customer network quality.
It is appreciated of course that, do not limit the sequencing of step 204 and step 216 in the present embodiment.
Step 204, judge that whether TCH is congested, if so, perform step 205; Otherwise, return step 202;
Step 205, retrieval dilatation record, then perform step 206;
Such as: retrieve the dilatation record in 24 hours, it is appreciated of course that, the time range of not limit search dilatation record in this enforcement.
Step 206, judge whether this community carried out dilatation, if so, carried out alarm, then returned step 202; Otherwise, perform step 207;
In the present embodiment, the Rule of judgment of step 206 can be set to: judge whether this community carried out twice dilatation process.
Step 207, judge whether TCH serviceability rate equals 1, if so, perform step 208; Otherwise, carry out channel serviceability rate optimization process flow;
Step 208, judge whether the adjacent area of community exists fault, if so, carries out alarm, then returns step 202; Otherwise, perform step 209;
It is appreciated of course that, do not limit the form of alarm in the present embodiment.
Step 209, judge that community is suburb scene or urban settings, if suburb scene, then perform step 210; If urban settings, then perform step 212;
In the present embodiment, it is suburb scene or urban settings that existing mode can be adopted to come division of cells.
Step 210, judge in the scene of suburb cross coverage coefficient whether be less than the first pre-determined factor, if so, carried out Mulching treatment flow process; Otherwise, perform step 211;
In the present embodiment, the first pre-determined factor can be set to 1.8.
Step 211, judge whether half rate is greater than half rate threshold value, if so, perform step 214; Otherwise, carry out the adaptive flow journey of half rate;
Such as: above-mentioned half rate threshold value can be set to 20%.
Step 212, judged whether coverage coefficient is less than the second pre-determined factor, if so, carried out Mulching treatment flow process; Otherwise, perform step 213;
In the present embodiment, the second pre-determined factor can be set to 1.5.
Step 213, judge whether half rate is greater than half rate threshold value, if so, perform step 214; Otherwise, carry out the adaptive flow journey of half rate;
Such as: above-mentioned half rate threshold value can be set to 10%.
Step 214, scanning BSC carrier frequency License number, if sufficient, then carry out community queuing handling process; If inadequate, perform step 215;
Step 215, judge that new carrier frequency License arranges whether success, if success, then return step 214; Otherwise, carry out alarm, then return step 202;
Step 216, judge that whether SDCCH is congested, if so, perform step 217; Otherwise, return step 202;
Step 217, retrieval dilatation record;
Such as: the dilatation record retrieving 24 hours.
Step 218, judge whether to carry out dilatation, if so, stop this cell capacity-enlarging, carry out alarm, then return step 202; Otherwise, perform step 219;
In the present embodiment, whether can carry out a dilatation is Rule of judgment.
Step 219, judge whether SDCCH channel serviceability rate equals 1, if so, perform step 220; Otherwise, perform channel serviceability rate Optimizing Flow;
Step 220, judge SDCCH channel whether full configuration, if so, perform step 214; Otherwise, increase SDCCH channel, then return step 202;
In the present embodiment, in traffic comparatively busy, voice channel occupation proportion exceed traffic hurry threshold value time, channel first distribute half rate (as busy thresholding be set to 70 time, namely when traffic channel occupation proportion exceedes 70% of the total voice channel number in community, half rate automatic adaptation can be started), if now still without idle channel, system is first by the dynamic PDCH (PacketDataCHannel without business, Packet Data Channel) channel switch is voice channel, finally just will the dynamic PDCH channel switch of business be had to be voice channel.
Half rate automatic adaptation flow process is mainly used in the busy thresholding regulating community half rate traffic ratio to start, and make cell telephone traffic comparatively busy, more channel can be converted into half-rate channel as early as possible.
In soft capacity dilatation flow process, when community occurs congested, but when half rate does not also reach dilatation thresholding, soft capacity dilatation flow process also can call half rate automatic adaptation flow process, first start busy thresholding to half rate to adjust, thus dilatation judgment condition in soft capacity flow process is simplified.
See Fig. 3, be the flow chart of half rate automatic adaptation in embodiments of the invention, concrete steps are as follows:
Step 301, acquisition current area channel occupancy situation, then perform step 302 and step 313;
It is appreciated of course that, do not limit the sequencing of step 302 and step 313 in the present embodiment.
Step 302, judge whether small area jam reaches half rate door capable of being opened limit value, if so, perform step 303; Otherwise, perform step 304;
Step 303, judge whether community half rate opens, if so, perform step 305; Otherwise, perform step 309;
Step 304, judge that whether the first two cycle community is congested, if so, perform step 306; Otherwise, perform step 307;
Step 305, judge whether half rate threshold value of doing is minimum value, if so, perform step 308; Otherwise, perform step 309;
Step 306, unlatching half rate, then return caller;
Step 307, judge whether all not super threshold value of the first two cycle small area jam rate and channel occupancy, if perform step 310; Otherwise, perform step 308;
Step 308, keep this community half rate;
Step 309, downwards adjustment half rate are hurried threshold value;
Step 310, judge whether half rate threshold value of doing is maximum, if so, perform step 311; Otherwise, perform step 312;
Step 311, closedown half rate thresholding;
Step 312, adjust upward half rate and to hurry threshold value;
Step 313, judge whether channel seizure ratio reaches half rate door capable of being opened limit value, if so, perform step 303; Otherwise, perform step 314;
Step 314, judge that the first two periodic channel takies whether super threshold value, if so, perform step 308; Otherwise, perform step 307;
In the present embodiment, the starting point of half rate automatic adaptation flow process is that scanning cell channel takies situation and obtains 15 minutes traffic statistics, and then the congestion situation of reference cell and channel occupancy situation see whether community half rate opens.
When small area jam or channel seizure ratio reach door capable of being opened limit value, start half rate and adjust and reduce half rate startup thresholding (such as at every turn adjusting and reducing amplitude 10%), then obtaining next cell information.
When channel seizure ratio does not reach half rate door capable of being opened limit value when community is not congested while, record this cell telephone traffic statistics, and this community indication information of (such as the first two) measurement period before checking.Only in guaranteed at least two (such as three) measurement periods continuously, community is not congested, and the not super half rate of traffic starts thresholding, just can improve half rate and start thresholding (such as increase rate 10%) till closedown half rate.Otherwise keep this community half rate.
In the present embodiment, two important bases for estimation of half rate automatic adaptation flow process existence:
(1) whether community is congested;
(2) whether cell channel occupancy reaches and opens traffic and to hurry threshold value;
Wherein, traffic threshold value (%) implication of hurrying is: in BSC channel assignment strategy, when channel seizure ratio exceedes this value, distributes half rate to user priority; Otherwise distribute full rate to user priority.
Wherein, the computing formula of channel seizure ratio is:
Channel seizure ratio=(half-rate channel number/2 of the full speed channel number+busy condition of busy condition)/(half-rate channel number/2 of the full speed channel number+upstate of upstate) × 100%
The span of this channel seizure ratio is 0 ~ 100%, and default value is 50%.
In the flow process of the carrier frequency License automatic adaptation of the present embodiment, whether the number first scanning BSC carrier frequency License is sufficient, the demand of assessment dilatation carrier frequency License community, carries out volume reduction treatment to business idle district (community of namely queuing up rearward).
Carry out inaccessible carrier wave to the community subtracting appearance, reach the emergent object subtracting appearance, the carrier wave after obturation can not consume carrier frequency License.When network element carrier frequency License apportioning cost is constant, reduces carrier frequency License use value, network element carrier frequency License can not be transfinited, cannot reach above the object that station subtracts appearance simultaneously.To needing the community of dilatation to open new carrier frequency License, and choosing frequency adaptation from the frequency of preparation, carrying out dilatation.
See Fig. 4, be the flow chart of carrier frequency License automatic adaptation in embodiments of the invention, concrete steps are as follows:
The carrier frequency License demand of step 401, calculating dilatation community;
Namely, to needing dilatation community index to assess, calculate the carrier frequency License quantity needing dilatation;
The traffic data of step 402, acquisition community;
Such as: the traffic data of 14 days obtaining community.
Step 403, judge whether peak hour community redundant channels number is greater than threshold value, if so, perform step 404; Otherwise, return step 402;
Such as, above-mentioned threshold value can be set to 20%.
Step 404, judge whether TCH congestion ratio is less than TCH congestion threshold value, and whether SDCCH congestion ratio is less than SDCCH congestion threshold value, if so, perform step 405; Otherwise, perform step 402;
Such as: above-mentioned TCH congestion threshold value can be set to 5%, SDCCH congestion threshold value can be set to 1%.Do not limit the occurrence of congestion threshold value in the present embodiment.
Step 405, subtracting of calculating Jian Rong community hold carrier frequency License number;
Namely, assess the carrier frequency License capacity of Jian Rong community, the community too much to carrier resource subtracts appearance.
Subtract appearance condition:
The get STS traffic statistics peak period data of two weeks (14 days), if the resource utilization index of the highest a day meets and subtracts appearance condition below in the middle of 14 days simultaneously, then carry out subtracting appearance operation
(1) community redundant channels number > 20%
Community redundant channels number=(1-community paper channel number/subtract and hold rear number of available channels) × 100%
Wherein, paper channel number=community in community is from the number of channel+use PDCH quantity of busy total traffic (full rate+half rate telephone traffic) corresponding ERLANG B 2% call loss
(2) TCH congestion ratio < congestion ratio threshold value 5%, SDCCH congestion ratio < congestion ratio threshold value 1%
(3) rear carrier frequency License number >=4 (its value is adjustable) of appearance are subtracted
After step 406, judgement subtract appearance, whether carrier frequency License number is more than or equal to 4, if so, performs step 407; Otherwise, return step 402;
Step 407, execution subtract holds order;
Can step 408, judgement subtract appearance carrier frequency License number meet dilatation demand, if can, perform step 409; Otherwise, perform step 402;
The adaptive success of step 409, network element carrier frequency License;
Step 410, scanning BSC carrier frequency License number, then return caller.
In the present embodiment to need the community of carrying out wireless resource scheduling rank process flow process in, first the community needing to carry out wireless resource scheduling is determined, then according to pre-conditioned, weighted value is arranged to this community, finally each weighted value is added together the foundation as cell capacity-enlarging sequence, such as sort and to successively decrease arrangement by weighted value, the dilatation priority that weighted value is the highest is the highest, is pre-conditionedly set to:
(1) whether meet VIP community, meeting weighted value is 1, otherwise is 0;
(2) whether meet DT and check the main coverage cell of route, meeting weighted value is 1, otherwise is 0;
(3) whether meet CQT and check community, meeting weighted value is 1, otherwise is 0;
(4) whether meet half rate traffic ratio and be greater than 10%, community is when suburb, and weighted value is (1+ half rate traffic ratio/2); Community is when urban district, and weighted value is (1+ half rate traffic ratio), otherwise is 1;
(5) whether meet TCH congestion ratio and be greater than 5%, meet weighted value for (1+TCH congestion ratio), otherwise be 1
See Fig. 5, be the flow chart of embodiments of the invention small area queuing process, concrete steps are as follows:
Step 501, judge whether DT check the main coverage cell of route, if so, weighted value is 1, then perform step 507, otherwise, perform step 502;
Do not limit the execution sequencing of step 501, step 503, step 504 and step 506 in the present embodiment, such as, first to perform step 501.This step 501 performs after can connecing step 214 in fig. 2;
Step 502, determine whether VIP community, if so, weighted value is 1, then performs step 507;
Step 503, judge whether it is that CQT (CallQualityTest, call quality test calls) checks community, if so, weighted value is 1, then performs step 507;
Step 504, judge whether half rate traffic ratio is greater than 10%, if so, perform step 505;
Step 505, judge whether community is suburb, if so, weighted value is (1+ half rate traffic ratio/2); Otherwise weighted value is (1+ half rate traffic ratio);
Step 506, judge whether TCH congestion ratio is greater than congestion ratio 5%, if so, weighted value is (1+TCH congestion ratio), then performs step 507;
Step 507, community queuing urgency level are queued up by weighted value, then perform subdistrict self-adaptive scheduling processing flow (step 104).
In the present embodiment, cell radio resource adaptive scheduling can be divided into two parts: one is dilatation flow process, and two is subtract appearance flow process.In dilatation flow process, first the result of process of queuing up according to community is picked out the higher community of priority level by system, enters hardware scanning link.In hardware scanning link, system will scan community hardware configuration number (as 1 piece of actual maximum configurable 6 fast carrier wave of single MRFU plate) and actual logic carrier wave configurable number.If can not expand hardware or transfer resource not enough time, then stop dilatation, eject alert box and enter the dilatation of next community; Otherwise enter frequency adaptation flow process.When after the configuration completing frequency, system just can generate dilatation script.In the execution phase, system is by design module, and realization can Non-follow control script progress, edits and revise script, stops the operation of script and data before reverting to dilatation.After script is finished, system, by dilatation data record, forms dilatation list.
Introduce the flow process of the subdistrict self-adaptive dilatation in the present embodiment below in conjunction with Fig. 6, concrete steps are as follows:
Step 601, scanning hardware configuration number and logic carrier frequencies License configurable number;
Step 602, judge that whether community extendible capacity carrier frequency License is sufficient, if so, perform step 603; Otherwise, stop this cell capacity-enlarging process, and carry out alarm;
Step 603, judge that whether cell transmission resource is sufficient, if so, perform step 604; Otherwise, stop this cell capacity-enlarging process, and carry out alarm;
Step 604, generation dilatation script, and perform this dilatation script;
Step 605, output dilatation record;
Step 606, generation dilatation cell list.
For ensureing the stability of network.After bursts of traffic, need the recovery community of emergent dilatation being carried out to scheduling of resource.It is appreciated of course that, do not limit the condition triggering volume reduction treatment in the present embodiment.
Subtract appearance process description: first can obtain dilatation record from dilatation flow process, the cell preference choosing the priority level of giving in its small area queuing algorithm minimum judges whether to carry out subtracting appearance.Such as obtain traffic measurement indication information to this community, judgement could be carried out subtracting appearance, and Rule of judgment is that continuous 4 data in 15 minutes meet following two conditions simultaneously:
(1) without traffic congestion: SDCCH congestion ratio, TCH congestion ratio is zero.
(2) compatible rear community redundant channels number > 20% is estimated
Community redundant channels number=(1-community paper channel number/subtract and hold the rear number of channel) × 100%
Wherein, the number of channel+use PDCH quantity of total traffic (full rate+half rate telephone traffic) corresponding ERLANG B 2% call loss during community paper channel number=busy cells
After above-mentioned condition meets, generate and subtract appearance script, subtract appearance carrier wave, and frequency newly-increased when deleting dilatation.Then renewal frequency list, is increased to the frequency of deletion in list of frequency to be selected.
The subdistrict self-adaptive introduced in the present embodiment below in conjunction with Fig. 7 subtracts the flow process of appearance, and concrete steps are as follows:
Step 701, acquisition dilatation cell list;
Step 702, acquisition cell telephone traffic statistical information;
Step 703, to judge whether the current statistic cycle has congested, if do not have, performs step 704;
Step 704, judge whether current statistic cycle community redundant channels number is greater than 20%, if perform step 709; Otherwise, perform step 705;
Step 705, judge whether to have in first three measurement period congested, if so, perform step 709; Otherwise, perform step 706;
Step 706, judge in first three cycle, whether cell channel resource utilization is less than 80%, if so, perform step 709; Otherwise, perform step 707;
Step 707, subtract one piece of carrier wave;
Step 708, generation subtract appearance record, then perform step 709;
Step 709, to judge in list, with or without next dilatation community, if having, to return step 702; Otherwise, return caller.
In the present embodiment, frequency automatic adaptation flow process independent of subdistrict self-adaptive scheduling flow, by existing network model, can calculate the extension frequency of each community optimum, dispatches for subdistrict self-adaptive.First the foundation of cell frequency model is introduced below:
(1) network environment is set up: according to cell site basic data and existing network frequency information, imports neighbor cell configuration data and sets up network environment, can demonstrate the handoff relation of minizone simultaneously.
(2) FAS (FrequencyAllocationSupport), the NCS (NeighboringCellSupport) that provide according to Huawei webmaster, MRR (MeasureResultReport) three webmaster optimization tools, obtain corresponding data and set up frequency model.
The frequency obtaining community by importing FAS (FrequencyAllocationSupport) is disturbed field intensity and interference ratio
The C/Idata of minizone is obtained by importing NCS (NeighboringCellSupport)
Import and switch the Handoverdata that statistics obtains minizone
RxLevelsdata, RxQualdata of minizone is obtained by importing MRR (MeasureResultReport)
Import the Trafficdata that existing network is collected
Switch statistics and essentially describe the handover request number of Serving cell to adjacent cell, the existing handoff relation in minizone will be considered in frequency adaptation process:
Configuration data Network Based and mobile statistics, the network interferences model set up, carries out the planning of dilatation carrier frequency point, has taken into full account the interference of existing network frequency like this, disturbs minimum frequency to dilatation allocation of carriers.
(3) the frequency interferences sort algorithm adopted:
Sort according to the median of field strength of FAS measurement data by interference, if interference field strength intermediate value is-100dbm, then this frequency assignment is A=10 (frequency interference field strength intermediate value+110)
Enter the last six ratio according to NCS measurement data judgement adjacent area and be greater than the adjacent area of 10% with frequency then B=(A+1) × 12, adjacent area adjacent frequency B=(A+1) × 6
According to neighboring interval switching times accounting, then C=B × switching proportion × 10
Finally generate the less frequency sequence TOP10 of interference according to the sequence carried out from small to large of C value
(4) frequency examination & verification
The available frequency relatively little according to the interference of automatic adaptation Program Generating carries out manual examination and verification, and by examination & verification by after frequency application in existing network.
See Fig. 8, be the flow chart of embodiments of the invention medium frequency automatic adaptation, concrete steps are as follows:
Step 801, reading network interferences model the previous day;
Network interferences model is set up according to existing network basic data and side data.
Step 802, reading frequency model;
Step 803, judge whether, for the frequency range of BCCH (BroadcastControlChannel, Broadcast Control Channel), if so, to return step 802; Otherwise, perform step 804;
Namely, the frequency not meeting the requirement of existing network frequency rule is rejected;
Step 804, judge whether with station same adjacent frequency, if so, return step 802; Otherwise, perform step 805;
Namely, reject with station with adjacent frequency community;
Step 805, frequency interferences sort;
The interference model such as set up according to policy data generates TOP10 and disturbs comparatively small frequency sequence, and the TOP10 of manual examination and verification automatic adaptation Program Generating disturbs comparatively small frequency sequencing schemes.
Step 806, output ordering structure.
2 interfaces and this flow process is had to there is scheduling relation in subdistrict self-adaptive scheduling process in the present embodiment.
First is in the process of dilatation, finds the cell frequency model needing dilatation, poises the forward frequency of sequence and carries out dilatation.Send a record generate dilatation record in " subdistrict self-adaptive dispatch deal " after and export expansion frequency record to " frequency automatic adaptation flow process ".
Second is subtracting in appearance process, is reverted in network model by the frequency record subtracting appearance.Output subtracts appearance frequency record.
See Fig. 9, be the structure drawing of device of Radio Resource automatic monitoring scheduling in embodiments of the invention, the device of this Radio Resource automatic monitoring scheduling, comprising:
Choose module, for obtaining the community needing to carry out wireless resource scheduling;
Carrier wave adaptation module, for carrying out the process of carrier frequency License automatic adaptation to the described community of carrying out wireless resource scheduling that needs.
In another embodiment of the invention, also comprise:
Order module, for by needing the community of carrying out wireless resource scheduling to rank, determines the priority of wireless resource scheduling;
Carrier wave adaptation module is further, and for according to the priority determined, before leaning on queuing, cell preference opens new carrier frequency License, and/or, carrier frequency License is closed to the community of queuing up rearward.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a method for Radio Resource automatic monitoring scheduling, is characterized in that, comprising:
Steps A, acquisition need the community of carrying out wireless resource scheduling;
Described steps A specifically comprises:
The traffic statistics of community is collected in predetermined time section;
According to described traffic statistics, analysis is carried out to the Separate Dedicated Control Channel SDCCH congestion ratio of community and/or Traffic Channel TCH congestion ratio and judges, to pick out the community needing to carry out wireless resource scheduling;
Wherein, carry out analyzing the step judged to SDCCH congestion ratio to comprise:
When the SDCCH congestion ratio of described community reaches SDCCH congestion threshold value, judge whether the SDCCH channel serviceability rate of described community equals 1, if be less than 1, then enter channel serviceability rate optimization process flow; If equal 1, then judge SDCCH channel whether full configuration further, if SDCCH channel does not have full configuration, then increase SDCCH channel, then continue to collect the traffic statistics in next predetermined time section;
If SDCCH channel full configuration, then show that described community is the community needing to carry out wireless resource scheduling;
Carry out analyzing the step judged to TCH congestion ratio to comprise:
When the TCH congestion ratio of described community reaches TCH congestion threshold value, judge whether the TCH serviceability rate of described community equals 1, if be not equal to 1, then enter channel serviceability rate optimization process flow; If equal 1, then continue to judge whether the adjacent area of described community exists fault, if break down in adjacent area, then alarm;
If there is not fault in adjacent area, then continue to judge whether described community is crossed to cover, under the scene of suburb, cross coverage coefficient when described community and be less than the first pre-determined factor, or, when coverage coefficient is less than the second pre-determined factor excessively under urban settings, enter the flow process of half rate self-adaptive processing; If cross coverage coefficient to exceed thresholding, then entered Mulching treatment flow process;
Point scene judges whether the half rate traffic ratio of described community exceedes half rate threshold value, if do not exceed half rate threshold value, then carries out half rate adaptation processing flow process; Otherwise, show that described community is the community needing to carry out wireless resource scheduling;
Step B, the process of carrier frequency License automatic adaptation is carried out to the described community of carrying out wireless resource scheduling that needs;
Described step B specifically comprises:
By needing the community of carrying out wireless resource scheduling to rank, determine the priority of wireless resource scheduling;
According to the priority determined, before leaning on queuing, cell preference opens new carrier frequency License, and/or, carrier frequency License is closed to the community of queuing up rearward.
2. method according to claim 1, is characterized in that, the flow process of described half rate self-adaptive processing comprises:
Channel occupancy situation and the traffic statistics in acquisition predetermined time section of scanning community;
When the congested of described community or channel seizure ratio reach half rate door capable of being opened limit value, start half rate and adjust and reduce half rate enabling gate limit value, then obtaining the information of next community;
When described community is not congested while, channel seizure ratio does not reach half rate door capable of being opened limit value, record this cell telephone traffic statistics, when in continuous at least two measurement periods, described community is not congested, and during traffic not super half rate enabling gate limit value, improve half rate enabling gate limit value till closedown half rate, otherwise keep described community half rate.
3. method according to claim 1, is characterized in that, before described step B, described method comprises:
The number of the carrier frequency License of scanning base station controller;
When the number deficiency of the carrier frequency License of base station controller, described base station controller configures new carrier frequency License.
4. method according to claim 1, is characterized in that, describedly the step needing the community of carrying out wireless resource scheduling to rank specifically is comprised:
After obtaining the community needing to carry out wireless resource scheduling, to described community according to the pre-conditioned weighted value arranging each community;
Each weighted value is added together the foundation as described ranking cells, determines the priority of wireless resource scheduling.
5. a device for Radio Resource automatic monitoring scheduling, is characterized in that, comprising:
Choose module, for obtaining the community needing to carry out wireless resource scheduling;
Described module of choosing specifically for collecting the traffic statistics of community in predetermined time section, according to described traffic statistics, carry out analysis to the Separate Dedicated Control Channel SDCCH congestion ratio of community and/or Traffic Channel TCH congestion ratio to judge, to pick out the community needing to carry out wireless resource scheduling;
Wherein, analysis is carried out to SDCCH congestion ratio and judges, comprising:
When the SDCCH congestion ratio of described community reaches SDCCH congestion threshold value, judge whether the SDCCH channel serviceability rate of described community equals 1, if be less than 1, then enter channel serviceability rate optimization process flow; If equal 1, then judge SDCCH channel whether full configuration further, if SDCCH channel does not have full configuration, then increase SDCCH channel, then continue to collect the traffic statistics in next predetermined time section;
If SDCCH channel full configuration, then show that described community is the community needing to carry out wireless resource scheduling;
Carry out analysis to TCH congestion ratio to judge, comprising:
When the TCH congestion ratio of described community reaches TCH congestion threshold value, judge whether the TCH serviceability rate of described community equals 1, if be not equal to 1, then enter channel serviceability rate optimization process flow; If equal 1, then continue to judge whether the adjacent area of described community exists fault, if break down in adjacent area, then alarm;
If there is not fault in adjacent area, then continue to judge whether described community is crossed to cover, under the scene of suburb, cross coverage coefficient when described community and be less than the first pre-determined factor, or, when coverage coefficient is less than the second pre-determined factor excessively under urban settings, enter the flow process of half rate self-adaptive processing; If cross coverage coefficient to exceed thresholding, then entered Mulching treatment flow process;
Point scene judges whether the half rate traffic ratio of described community exceedes half rate threshold value, if do not exceed half rate threshold value, then carries out half rate adaptation processing flow process; Otherwise, show that described community is the community needing to carry out wireless resource scheduling;
Carrier wave adaptation module, for carrying out the process of carrier frequency License automatic adaptation to the described community of carrying out wireless resource scheduling that needs;
Described carrier wave adaptation module, specifically for by needing the community of carrying out wireless resource scheduling to rank, determines the priority of wireless resource scheduling; According to the priority determined, before leaning on queuing, cell preference opens new carrier frequency License, and/or, carrier frequency License is closed to the community of queuing up rearward.
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| TWI572179B (en) * | 2015-01-28 | 2017-02-21 | Chunghwa Telecom Co Ltd | Mobile network base station communication prediction and resource scheduling automation analysis system and method |
| CN108337191B (en) * | 2017-01-19 | 2021-09-03 | 中国移动通信集团河北有限公司 | Method and system for scheduling network resources |
| CN108770017B (en) * | 2018-05-23 | 2023-04-07 | 南京欣网通信科技股份有限公司 | Dynamic equalization method and system for wireless resources |
| CN110677854A (en) * | 2018-07-03 | 2020-01-10 | 中国移动通信集团重庆有限公司 | Method, apparatus, device and medium for carrier frequency capacity adjustment |
| CN110061882A (en) * | 2019-04-26 | 2019-07-26 | 南京华苏科技有限公司 | The method of License dynamic adjustment |
| CN114584986B (en) * | 2020-12-01 | 2024-04-09 | 中国联合网络通信集团有限公司 | Resource scheduling method and device |
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