CN102300295A - Method for realizing energy conservation of base station - Google Patents
Method for realizing energy conservation of base station Download PDFInfo
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- CN102300295A CN102300295A CN2011102294260A CN201110229426A CN102300295A CN 102300295 A CN102300295 A CN 102300295A CN 2011102294260 A CN2011102294260 A CN 2011102294260A CN 201110229426 A CN201110229426 A CN 201110229426A CN 102300295 A CN102300295 A CN 102300295A
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Abstract
The invention discloses a method for realizing the energy conservation of a base station, which comprises the following steps that: through carrying out self-learning on service patterns, the base station determines the energy-conservation reconfiguration time slot of each cell and the number of reconfiguration frequency points of each cell; for each cell, in the time slots except the energy-conservation reconfiguration time slot, the base station configures corresponding frequency points for the cell according to the number of initially-configured frequency points of the cell and the initially-configured frequency points thereof; and in the energy-conservation reconfiguration time slot of the cell, the base station reconfigures frequency points with a corresponding number for the cell according to the number of reconfiguration frequency points of the cell. By using the technical scheme of the invention, both the quality of service can be ensured, and the energy consumption can be significantly reduced.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly relate to a kind of method that realizes base station energy-saving.
Background technology
Because the rare finiteness of the energy, low-carbon (LC) have become the focus in the whole world, environmental protection and energy saving become the basic demand that communication base station systems such as TD-SCDMA, TD LTE, FDD-LTE build and operate.Therefore, press for the highly energy-consuming problem that the base station operation brings that solves.
Existing main base station energy-saving technical scheme has: the one, unite energy-conservation by the mode of group of base stations, selected center base station, wish that by each service in base station amount of real-time detection a distribution portion base station is moved, the mode by electricity or dormancy under the part base station realizes energy-conservation; The 2nd, the business on each frequency is checked by detecting time slot signal in the base station, and the frequency descending power emission function that will not carry customer service is closed and reduced power consumption; Also having a kind of in addition is exactly that user's bearing capacity on each baseband board is detected in the base station, business on the integrated circuit board that user's bearing capacity is few is transferred on other baseband boards, the baseband board that will not have the user to carry descends electricity or dormancy then, carries out reducing power consumption by such mode.
Above-mentioned the deficiencies in the prior art are mainly reflected in:
One, professional covering is narrow, and application scenarios is few.This mainly is reflected in by the mode of group of base stations unites on the energy-conservation base station.Main cause is that communication service is at random, is to have paroxysmally, have only center base station in underrun under the few situation of traffic carrying capacity, and the coverage rate of center base station is limited, can't cover whole scopes of business of original group of base stations.Therefore, original group of base stations the user outside the center base station overlay area make a call, or called out, and can't provide business service for it timely.
Its two, QoS and professional real-time are poor, main cause is: because the randomness of communication service and sudden for group of base stations associating energy-saving scheme, has only the center base station underrun under the few situation of traffic carrying capacity.In case the traffic carrying capacity sudden change increases, the load-bearing capacity of overcenter base station, center base station need activate other base stations and re-power operation at this moment.Under current technology, activate the base station and forward the state that professional ability is arranged fully to, or re-power the state that professional ability is arranged fully by dormancy, tens minutes at least, more than half an hour, far do not reach professional real-time requirement at most.The base station had only the partial service plate the situation of state of activation, in case the traffic carrying capacity sudden change increases, when exceeding the load-bearing capacity of base station running status business board, just need to activate other business boards and re-power operation, the activating service integrated circuit board is by dormancy or electric down to the state that possesses professional ability fully, need the time of a few minutes equally, real-time does not reach yet.Since can't be timely for the terminal use provide business service, the integrated service quality of base station system is also just low naturally.
Its three, energy-saving efficiency is low.In the prior art,, close the power supply and the descending power emission of idle frequency, on average move power consumption thereby reduce frequency by detecting the power and the service conditions of each frequency of time slot signal.In the technical scheme of current base station system, the active user number of each carrier frequency point carrying is at random, and business is not intrinsic rule on frequency and time slot, is variable.Many times professional dispersion relatively on each frequency all can only have been carried one or a spot of user on each frequency time slot, at this moment, these frequencies can not be turned off.Though though their traffic carrying capacity is little, its downlink power amplifier function is still to be opened, and also is equivalent to free-runing operation in fact, has consumed a large amount of useless power equally.Therefore energy-saving efficiency is low relatively.
Its four, no matter the realization flow relative complex is to switch to state of activation from dormancy or power-down state, still detects by time slot and carries out power and turn-off and open, and carries out all more complicated of flow process, poor robustness is unfavorable for the stable operation of system.
In sum, though the technical staff of the communications field has carried out the research of many energy-conservation aspects, yet energy-saving effect is still undesirable, does not also accomplish both to have guaranteed quality of service at present, can cut down the consumption of energy significantly again.
Summary of the invention
The invention provides a kind of method that realizes base station energy-saving, this method can guarantee quality of service, can significantly cut down the consumption of energy again.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention discloses a kind of method that realizes base station energy-saving, this method comprises:
The energy-conservation reprovision time period of each sub-district and the reprovision frequency number of each sub-district are determined by the self study of professional rule in the base station;
For each sub-district: in its non-sub-district energy-conservation reprovision time period, the base station is this cell configuration frequency points corresponding according to the frequency number and the frequency of this cell initial configuration; In its energy-conservation reprovision in sub-district time period, the base station reconfigures the frequency of respective amount for this sub-district according to the reprovision frequency number of this sub-district; Wherein, the reprovision frequency number of this sub-district is less than the frequency number of this cell initial configuration.
By as seen above-mentioned, the energy-conservation reprovision time period of each sub-district is determined in this base station of the present invention by the self study of professional rule, and the reprovision frequency number of each sub-district, then in the energy-conservation reprovision in the sub-district time period, the base station reconfigures the technical scheme of the frequency of respective amount for this sub-district according to the reprovision frequency number of this sub-district, because in the energy-conservation reprovision in the sub-district time period, service set is on the minority frequency, compare with the regular traffic frequency, a lot of frequencies have been saved, avoided the appearance of a large amount of underloadings and unloaded frequency service, the overall down transmitting power in sub-district is minimized, in addition, the frequency number of the reprovision of sub-district was estimated by the service in base station custom, remained unchanged with the covering of comparing Zone before the reprovision and application scenarios, still can provide business service for the terminal in the institute of the sub-district before the energy-conservation reprovision coverage, therefore, technical scheme of the present invention can guarantee quality of service, can significantly cut down the consumption of energy again.
Description of drawings
Fig. 1 is the flow chart that the base station in the embodiment of the invention is carried out the energy-conservation reprovision in sub-district and recovered dilatation;
Fig. 2 is the subdistrict frequency point reprovision energy-saving process figure in the embodiment of the invention.
Fig. 3 is the flow chart of the Zone rule self study in the embodiment of the invention;
Fig. 4 is the affirmation flow chart of starting point and the end point of energy-conservation reprovision time period of the sub-district in the embodiment of the invention.
Embodiment
Core concept of the present invention is: the energy-conservation reprovision time period of each sub-district and the reprovision frequency number of each sub-district are determined by the self study of professional rule in the base station; For each sub-district: in its non-sub-district energy-conservation reprovision time period, the base station is this cell configuration frequency points corresponding according to the frequency number and the frequency of this cell initial configuration; In its energy-conservation reprovision in sub-district time period, the base station reconfigures the frequency of respective amount for this sub-district according to the reprovision frequency number of this sub-district; Wherein, the reprovision frequency number of this sub-district is less than the frequency number of this cell initial configuration.
In order to make the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the flow chart that the base station in the embodiment of the invention is carried out the energy-conservation reprovision in sub-district and recovered dilatation.As shown in Figure 1, may further comprise the steps:
101, the station is played in the base station, carries out the base station initialization procedure.
Read time-zone information in the configuration file playing the station process, determine the time-zone information in geographical position of living in, base station, this configuration file generally is configured upgrading by OMCR.
102, after the base station initialization is finished, carry out the sub-district and set up flow process, the frequency number that needs when the subdistrict frequency point number is the regular traffic capacity.
Be that the terminal use provides business service for a long time with normal frequency pattern after the sub-district is set up and to be finished.The normal frequency configuration here is initial frequency configuration.
103, when the starting point of energy-conservation reprovision time period of sub-district arrives, carry out the energy-conservation reprovision in sub-district, be the frequency that the sub-district reconfigures respective amount according to the reprovision frequency number of sub-district, energy-conservation to realize the sub-district.
Reprovision frequency number is drawn by the professional rule of base station study statistics.
104, when the end point of the energy-conservation reprovision in sub-district time period arrives, realize the recovery dilatation of volume of business by carrying out cell re-configuration.
The frequency number that needs when the frequency number of sub-district reverts to the regular traffic capacity in this step.
In the scheme shown in Figure 1 of the present invention, the self study of the professional rule by base station cell is determined the operation frequency point parameters and the time period of energy-conservation reprovision sub-district to carry out the energy-conservation reprovision of sub-district then.Subdistrict frequency point number behind the energy-conservation reprovision is few, and therefore overall down transmitting power is minimized, thereby realizes that the sub-district is energy-conservation.Main contents have: reference cell service in base station custom, determine the energy-conservation reprovision time point in sub-district; Definite principle of cell re-configuration time point is that the subscriber traffic of little area carrier reaches the customer volume lower limit of setting during cell re-configuration; Section running time of energy-conservation reprovision sub-district must be few time period at night of traffic carrying capacity, and the operation duration of energy-conservation reconstruction sub-district and terminal are associated with the time zone, place; The business custom of sub-district obtains by the self study of base station to the own service rule; Determine that by the service in base station custom sub-district rebuilds the size of capacity; When running into the subscriber traffic of surge, in case exceed the capacity of energy-conservation reprovision sub-district, the base station will be carried out cell re-configuration and be carried out professional dilatation; With 24 hours was a cell re-configuration cycle, promptly from o'clock The night screen has hung down by second day The night screen has hung down same day time time point, in these 24 hours, the sub-district will experience: regular traffic capacity cell re-configuration is energy-conservation sub-district, and energy-conservation sub-district reverts to cell re-configuration processes such as regular traffic capacity sub-district again.
Below key points more of the present invention are elaborated.
One, subdistrict frequency point reprovision energy-saving process
Its main thought is: under the regular traffic capacity operational mode of sub-district, determine starting point and the end point of time period at night in conjunction with time zone and date and time information, promptly the curtain of night and daybreak time point.According to sub-district night service gauge rule, determine frequency point parameters (frequency quantity and concrete frequency), sub-district energy-conservation reprovision user thresholding and all kinds of start-stop timing of energy-conservation reprovision sub-district on the same day.These timings are used for realizing the start-stop time of implementation point of each generic task: the professional rule self study of opening and closing task, carry out the energy-conservation reprovision in sub-district, and carry out the sub-district and rebuild the regular traffic capacity that dilatation recovers the sub-district.The cell re-configuration process keeps original business datum parameter, and the current frequency that is held the end-user service place also should keep.In the running of energy-conservation reprovision sub-district, to increase sharply if Zone occurs, when exceeding the current area volume of business, the customer service number that the base station will be carried as required increases frequency, carries out the volume of business dilatation.When the community user traffic carrying capacity falls back to sub-district energy-conservation reprovision user thresholding, will will consider and carry out the energy-conservation reprovision in sub-district again.Its idiographic flow as shown in Figure 2.
Fig. 2 is the subdistrict frequency point reprovision energy-saving process figure in the embodiment of the invention.As shown in Figure 2, comprising:
Base station cell carries out determining and setting of energy-conservation relevant parameter with in regular traffic capacity model section running time, sees step 201 and 202.
The operation beginning and ending time timer of sub-district time period at night, the operation beginning and ending time timer of energy-conservation reprovision time period of sub-district are obtained and set to step 202.
The operation beginning and ending time of sub-district time period at night, the operation beginning and ending time of energy-conservation reprovision time period of sub-district was confirmed flow process referring to the operation beginning and ending time point of the follow-up energy-conservation reprovision in sub-district time period referring to the affirmation flow process of follow-up time period at night.
203, the zero-time timer of sub-district time period at night arrives, and prepares to open professional rule self study task.
204, open professional rule self study task.
205, wait for the arrival of energy-conservation reprovision time period of sub-district, when the zero-time timer of the energy-conservation reprovision in sub-district time period then, prepare to carry out the energy-conservation reprovision in sub-district.Before this time point arrived, base station cell was in the operation of regular traffic capacity model always.
206, judge whether the current area traffic carrying capacity satisfies energy-conservation reprovision condition, promptly whether the current loaded service number of users in sub-district less than the reprovision thresholding, is execution in step 207 then, otherwise continues to carry out 206 that wait condition satisfies.
207, judge whether the sub-district still has customer service to carry out, be execution in step 208 then, otherwise execution in step 209.
208, carry out existing business and keep, be i.e. cache user business datum and service parameter, execution in step 209.
209, be the frequency that the sub-district reconfigures respective amount according to the reprovision frequency number of sub-district.
Wherein, the frequency that comprises the customer service place of being carried out in the frequency that reconfigures.
210, behind the energy-conservation reprovision in sub-district, the sub-district operation of base station cell after with energy-conservation reprovision.If running has the surge number of users, and the number of users upper limit that can support greater than energy-conservation reprovision sub-district of service-user number, then need to move cell capacity-enlarging branch, execution in step 211, otherwise, still move with energy-conservation reprovision sub-district, arrive step 211 '.
211 ', judge whether the concluding time of energy-conservation reprovision time period of sub-district arrives, be execution in step 217 then, otherwise carry out 210.
211, the base station will increase number of carriers according to the sub-district number of users that increases sharply, and carry out the volume of business dilatation.
212, the operation of reprovision dilatation sub-district.
213, when the Zone number of users falls after rise, and fall back to the energy-conservation reprovision thresholding in sub-district following time, to step 214, otherwise to step 213.
214, judge the current time whether also in the energy-conservation reprovision in the sub-district time period, be execution in step 215 then, otherwise to step 216.
215, judge that time span that the current time finishes apart from the energy-conservation reprovision in the sub-district time period whether greater than preset value, is then to return step 207, otherwise to step 216.
216, judge whether the concluding time of energy-conservation reprovision time period of sub-district arrives, be execution in step 217 then, otherwise carry out 216.
217, carry out cell capacity-enlarging, rebuild the sub-district that cell recovery becomes the regular traffic capacity model.Move with the sub-district of regular traffic capacity model afterwards.
218, the end of run time point of sub-district time period at night comes interim, execution in step 219, otherwise the arriving of the end of run time point of wait sub-district time period at night.
219, finish BTS service rule self study task, preserve the vocational study table.
The energy-conservation reprovision flow process in the sub-district that left it at that a day.
Two, Zone rule self study flow process
Professional rule learning time step-length is set to 30 minutes in the inventive embodiments, and the maximum traffic number of users that this step-length is carried in the time simultaneously is recorded in the learning table (the learning table content is described for example referring to table 1) on the same day.In learning table, the hourage at night that the quantity of step-length index is set to maximum duration that day at night in this time zone 1 year multiply by 2, and computing formula is:
index_num＝Ym_time_max*2
Ym_time_max＝(24-Ym_start_m)+Ym_end_m
Wherein Ym_start_m be in 1 year darkness get that day the earliest at dark between, Ym_end_m be that day at day between.
The time period at night in each time zone is relevant according to rule with concrete solar day, in the present invention, it is associated with 24 solar term, referring to the description of definite method of time period at night.In the present embodiment, be that example is described with time zone, Beijing, night, the maximum duration number was 14 hours, so step-length index quantity is 28, and step-length call number index scope 0～27.Introduce effective initial index and effectively finish the index notion, effective initial index refers to the call number of curtain of night time point correspondence on the same day, effectively finish the call number that index refers to daybreak time point correspondence, professional self study finishes when adding up, and is objects of statistics with the effective initial index content that indexes between effective end index on the same day.The index quantity of vocational study table is called Table_index_num, and one embodiment of the present of invention always have 15 vocational study tables, writes down nearest 15 days professional rule custom, and table index Table_index scope is 0～14.The data of 15 days vocational study tables are carried out statistical average obtain the business statistics table.
Therefore, the vocational study table in the embodiment of the invention is an index with the step-length call number, and the maximum traffic number of users of little area carrier and statistics enabler flags in holding time step-length interval, this time step interval specifically can (to be the same day in the Beginning of summer example) as shown in table 1:
Table 1
The configuration format of business statistics table and vocational study epiphase are same, and just the service-user number in the business statistics table is an assembly average, no longer the business statistics table is illustrated here,
Step-length call number index corresponding service habit statistical formula in the business statistics table is:
Wherein, Rusercnt (index) is interior business custom of the step-length time of index index, the i.e. maximum average traffic number of users that carries simultaneously.(index i) is the step-length of index step-length index correspondence in i the learning table in the time period, simultaneously Cheng Zai maximum traffic number of users to usercnt.(index i) is statistics value of enabling of index call number correspondence in i the learning table to Enable.
Every day, zero-time and the concluding time of the time period at night of self present position determined under the current date in the base station; When the zero-time of time period at night arrives, statistics enabler flags in the vocational study table that the base station is provided with the same day according to the zero-time of current time period at night and concluding time, the detection statistics enabler flags is the maximum traffic number of users of little area carrier in the pairing time step of the effective step-length call number interval and records in the current vocational study table; 15 days the learning table in past is carried out statistical average obtain the business statistics table.Idiographic flow as shown in Figure 3.
Fig. 3 is the flow chart of the Zone rule self study in the embodiment of the invention.As shown in Figure 3, comprising:
301, base station cell time period at night operation start time point is interim, checks whether Table_index equals 14, if, to step 302, otherwise to step 302 '.
302 ', Table_index carries out ++ operation, and to step 303.
302, Table_index is changed to 0.
303, according to the Ym_end and the Ym_start of current date,, determine the effective initial call number of learning table on the same day and effectively finish call number again in conjunction with the time step interval in the vocational study table.
304, effective initial call number and effective extraneous statistics enabler flags of call number that finishes are changed to 0.
305, monitor the number of users that this step-length is carried in the time simultaneously.
306, the step-length time of this call number correspondence finishes, to step 307, otherwise to step 305.
307, the maximum number of user user_cnt that this step-length is carried in the time simultaneously records in the vocational study table.
308, if time point arrives Ym_end, then arrive step 309, otherwise to step 309 '.
309 ', step-length call number Index++ is to step 305.
309, base station cell time period at night end of run time point arrives, and finishes the professional self study task in this cycle, and the business conduct on the same day is saved in the learning table of Table_index correspondence.
310, according to step-length index index corresponding service habit statistical formula, statistics step-length index index corresponding service custom.Be saved in the statistical form.
311, carry out the starting point of energy-conservation reprovision time period of sub-district and the affirmation flow process of end point, confirm the next energy-conservation reprovision time period of sub-district of this day.
In the step 311, starting step size call number from statistical form, the step-length call number increases progressively successively, whether the average maximum traffic number of users of judging little area carrier in each current step-length call number time corresponding step-length interval is less than default thresholding, be then with the zero-time in the current step-length call number time corresponding step-length interval zero-time as the energy-conservation reprovision time period of sub-district, the zero-time constant current journey really of energy-conservation reprovision time period finishes.Last step-length call number from statistical form, the step-length call number is successively decreased successively, whether the average maximum traffic number of users of judging little area carrier in each current step-length call number time corresponding step-length interval is less than default thresholding, be then with the concluding time as the energy-conservation reprovision time period of sub-district concluding time in current step-length call number time corresponding step-length interval, the concluding time constant current journey really of energy-conservation reprovision time period finishes.Its idiographic flow such as follow-up shown in Figure 4.
Fig. 4 is the affirmation flow chart of starting point and the end point of energy-conservation reprovision time period of the sub-district in the embodiment of the invention.As shown in Figure 4, the data of using in this flow process all come from the business statistics table if no special instructions, specifically comprise:
401, business statistics table step-length index i initial value is made as 0.
402, whether the statistics of inspection i index value enables is 1, if 1, statistics enables, and then arrives step 403, otherwise to step 403 '.
403 ', business statistics table step-length index i++ is to step 402.
403, whether the Rusercnt (i) that checks business statistics table i index value correspondence less than the service-user thresholding of energy-conservation reprovision sub-district, if less than to step 404.Otherwise to step 403 '.
404, the same day, effective starting step size index of professional self study was set to i.
405, it is i=Ym_end_m that the step-length index is set.
406, whether the statistics of inspection i index value enables is 1, if 1, statistics enables, and then arrives step 407, otherwise to step 407 '.
407, statistical form step-length index i--is to step 406.
407, whether the Rusercnt (i) that checks statistical form i index value correspondence less than the service-user thresholding of energy-conservation reprovision sub-district, if less than to step 408.Otherwise to step 407 '.
408, the same day, effective end step-length index of professional self study was set to i.
409, the affirmation flow process of end start-stop index.
In one embodiment of the invention, the reprovision frequency number of this sub-district is determined in the base station according to the average maximum traffic number of users of little area carrier in the pairing time step of the step-length call number interval that falls into the energy-conservation reprovision in the sub-district time period in the statistical form.
Three, definite method of time period at night
The base station gets Date by global position system GPS and the longitude and latitude of self present position; The longitude and latitude of base station foundation self present position calculates the time zone at place; The base station calculates the time difference between self time zone, place and the benchmark time zone, find out benchmark time zone zero-time and the concluding time of the time period at night under current date the timetable from the night in benchmark time zone then, the zero-time of the time period at night under current date and concluding time are determined zero-time and the concluding time of the time period at night in self time zone, place in conjunction with the described time difference and benchmark time zone.
With Beijing time is reference, time zone, Beijing (Dong Ba district).According to the The diurnal distribution time,, set round the clock section running time (under spring, summer, autumn, winter running time section) round the clock in conjunction with the residing population distribution regional characteristics in base station.In the present invention, running time, section was adjusted starting point every 3 solar term round the clock.Other time zones according to time difference of Beijing time, starting point is round the clock added reducing, formula is: Ym_end=Ym_end_bj ± time difference concluding time at night, some Ym_start=Ym_start_bj ± time difference time started at night.
The time length reference table of the time period at night of Beijing time is as shown in table 2:
Table 2
The base station obtains date and longitude information by GPS.Obtain the longitude information of base station, place by GPS, and then calculate the time zone at place, base station.Calculate the time difference of this time zone and Beijing time.Get Date down with reference to table 2, move the beginning and ending time point night in time zone, Beijing.Pass through formula: Ym_end=Ym_end_bj ± time difference concluding time at night, some Ym_start=Ym_start_bj ± time difference curtain of night time started.Move the beginning and ending time and put Ym_start and Ym_end the night of base station under the calculating current date.
Under the different situation in time zone among explanation the present invention, its round the clock running time the length reference table difference, illustrated for example with Urumchi (six districts, east, 2 hours time differences, i.e. daybreak and 2 hours evenings Beijing time of curtain of night point time ratio).Then the time length reference table of the time period at night in Urumchi is as shown in table 3 under the Beijing time reference:
Table 3
By as seen above-mentioned, technique effect of the present invention be mainly reflected in following some:
One, the professional coverage rate of energy-conservation sub-district and application scenarios are stable.With ratio before the reprovision sub-district, professional coverage rate and application scenarios can remain unchanged substantially.According to professional rule, in the low time period of traffic carrying capacity, carry out the energy-saving run of base station by the mode of rebuilding the sub-district, reduced the power system capacity of base station, but do not change the coverage and the application scenarios of base station, all can carry out call conversation or by the call conversation business in the terminal of base station range.
Its two, QoS and professional real-time height.With ratio before the reprovision sub-district, QoS and professional real-time performance are effectively ensured.In the base station running behind the reprovision sub-district, in case the traffic carrying capacity sudden change increases, the load-bearing capacity upper limit that exceeds the sub-district, the base station will be carried out the sub-district reconstruction at once this moment, and the sub-district rebuilds in the dilation process, original ongoing service parameter and data will be held, because cell re-configuration weak point consuming time (second level, even Millisecond) is little to quality of service and real-time influence, and base station dilatation rapidly, and provide enough professional abilities.
Three, energy-saving efficiency is than higher.Because the reprovision sub-district is energy-conservation is at the little rule period of base station specific traffic, behind the cell re-configuration, professional all having focused on the subdistrict frequency point behind the reprovision, avoided the appearance of a large amount of underloadings and unloaded frequency service, therefore saved underloading and unloaded energy consumption, made that energy-saving efficiency effectively improves behind the base station energy-saving reprovision sub-district.
Its four, the energy-conservation time period is accurate.The base station is by professional rule self study, makes reprovision sub-district time point select science, shoots the arrow at the target thereby make the reprovision sub-district carry out energy-conservation can accomplishing, needn't be as the energy-saving scheme under the prior art, carry out back and forth energy-conservation with go energy-conservation switching.
Its five, realization flow is simple relatively, system reliability is strong.Cell re-configuration process is the intrinsic flow process of base station cell prior art, need not to introduce complicated flow process.Therefore realize simply can the stable operation and the robustness of system not exerted an influence.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (8)
1. a method that realizes base station energy-saving is characterized in that, this method comprises:
The energy-conservation reprovision time period of each sub-district and the reprovision frequency number of each sub-district are determined by the self study of professional rule in the base station;
For each sub-district: in its non-sub-district energy-conservation reprovision time period, the base station is this cell configuration frequency points corresponding according to the frequency number and the frequency of this cell initial configuration; In its energy-conservation reprovision in sub-district time period, the base station reconfigures the frequency of respective amount for this sub-district according to the reprovision frequency number of this sub-district; Wherein, the reprovision frequency number of this sub-district is less than the frequency number of this cell initial configuration.
2. method according to claim 1 is characterized in that method further comprises: in the energy-conservation reprovision in the sub-district time period, if Zone occurring increases sharply, the situation that exceeds sub-district current business capacity, then the base station increases the frequency quantity of sub-district according to sub-district needs loaded service amount.
3. method according to claim 2, it is characterized in that, described in its energy-conservation reprovision in sub-district time period, the base station reconfigures the frequency of respective amount for this sub-district according to the reprovision frequency number of this sub-district, if Zone occurring increases sharply, the situation that exceeds sub-district current business capacity, then the base station is according to sub-district needs loaded service amount, and the frequency quantity that increases this sub-district specifically is the following steps of carrying out in the energy-conservation reprovision in the sub-district time period:
A, whether judge the current loaded service number of users in sub-district, be execution in step B then, otherwise continue execution in step A less than the reprovision thresholding;
B, judging whether the sub-district still has customer service to carry out, is then cache user business datum and service parameter, execution in step C, otherwise direct execution in step C;
C, be the frequency that the sub-district reconfigures respective amount according to the reprovision frequency number of sub-district;
D, if Zone occurring increases sharply, exceed the situation of sub-district current business capacity, then the base station increases the frequency quantity of sub-district according to sub-district needs loaded service amount;
E, if the Zone number of users falls back under the reprovision thresholding after the step D, execution in step F then;
F, judge that time span that the current time finishes apart from the energy-conservation reprovision in the sub-district time period whether greater than preset value, is then to return step B, otherwise waits for the end of energy-conservation reprovision time period of sub-district.
4. method according to claim 3 is characterized in that, is that the frequency that the sub-district reconfigures respective amount comprises: the frequency that comprises the customer service place of being carried out in the frequency that reconfigures according to the reprovision frequency number of sub-district among the described step C.
5. according to each described method in the claim 1 to 4, it is characterized in that described base station determines that by the self study of professional rule the energy-conservation reprovision time period of each sub-district comprises:
The configuration service learning table; Described vocational study table is an index with the step-length call number, the maximum traffic number of users of little area carrier and statistics enabler flags in holding time step-length interval, this time step interval; Wherein, the quantity of step-length call number is determined by the hourage at night of the longest that day at night in the time zone of living in, base station 1 year;
Every day, zero-time and the concluding time of the time period at night of self present position determined under the current date in the base station; When the zero-time of time period at night arrives, statistics enabler flags in the vocational study table that the base station is provided with the same day according to the zero-time of current time period at night and concluding time, the detection statistics enabler flags is the maximum traffic number of users of little area carrier in the pairing time step of the effective step-length call number interval and records in the current vocational study table;
Maximum traffic number of users to little area carrier in each the time step interval in N days N the vocational study tables carries out statistical average, obtains the business statistics table; The configuration format of business statistics table and vocational study epiphase are together; N is the natural number greater than 1;
Starting step size call number from statistical form, the step-length call number increases progressively successively, whether the average maximum traffic number of users of judging little area carrier in each current step-length call number time corresponding step-length interval is less than default thresholding, be then with the zero-time in the current step-length call number time corresponding step-length interval zero-time as the energy-conservation reprovision time period of sub-district, the zero-time constant current journey really of energy-conservation reprovision time period finishes;
Last step-length call number from statistical form, the step-length call number is successively decreased successively, whether the average maximum traffic number of users of judging little area carrier in each current step-length call number time corresponding step-length interval is less than default thresholding, be then with the concluding time as the energy-conservation reprovision time period of sub-district concluding time in current step-length call number time corresponding step-length interval, the concluding time constant current journey really of energy-conservation reprovision time period finishes.
6. method according to claim 5 is characterized in that, described base station determines that by the self study of professional rule the reprovision frequency number of each sub-district comprises:
The reprovision frequency number of this sub-district is determined in the base station according to the average maximum traffic number of users of little area carrier in the pairing time step of the step-length call number interval that falls into the energy-conservation reprovision in the sub-district time period in the statistical form.
7. method according to claim 5 is characterized in that, the quantity of described step-length call number is determined to comprise by the hourage at night of the longest that day at night in the time zone of living in, base station 1 year:
The hourage at night that the quantity of step-length call number equals the longest that day at night in the time zone of living in, base station 1 year multiply by 2;
The half an hour of each step-length call number time corresponding step-length.
8. method according to claim 5 is characterized in that, described base station determines under the current date that zero-time and the concluding time of the time period at night of self present position comprise:
The base station gets Date by global position system GPS and the longitude and latitude of self present position;
The longitude and latitude of base station foundation self present position calculates the time zone at place;
The base station calculates the time difference between self time zone, place and the benchmark time zone, find out benchmark time zone zero-time and the concluding time of the time period at night under current date the timetable from the night in benchmark time zone then, the zero-time of the time period at night under current date and concluding time are determined zero-time and the concluding time of the time period at night in self time zone, place in conjunction with the described time difference and benchmark time zone.
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| CN102300295B (en) | 2014-02-19 |
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