CN100421480C - Base station multiple carrier resource managing method - Google Patents
Base station multiple carrier resource managing method Download PDFInfo
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- CN100421480C CN100421480C CNB2004100968131A CN200410096813A CN100421480C CN 100421480 C CN100421480 C CN 100421480C CN B2004100968131 A CNB2004100968131 A CN B2004100968131A CN 200410096813 A CN200410096813 A CN 200410096813A CN 100421480 C CN100421480 C CN 100421480C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention provides a method for managing base station multiple carrier resources. In the method, carrier loads are obtained through detection, the carrier loads are compared with presetting threshold values, if the comparative result does not satisfy a work carrier number adjusting condition, the duration of the detection is recalculated, otherwise the duration of the detection is judged whether is greater than or equal to the presetting duration of the detection, if the duration of the detection is greater than or equal to the presetting duration of the detection, the number of the work carriers is adjusted to adapt the conditions, and the duration of the detection is recalculated; otherwise the duration of the detection is calculated right along. The method cause the electric power consumption of the system to be reduced as a whole under the precondition that the normal operation of networks and the capacity requirement are satisfied, and is favorable to prolonging the service life of parts in a device; the index of network operation performance is increased.
Description
Technical field
The present invention relates to radio resource management method in the mobile communication, in especially a kind of 3G (Third Generation) Moblie network to having the multiple carrier resource managing method of multicarrier configurating base station.
Background technology
Along with the raising with traffic carrying capacity of increasing of number of users, the Radio Resource that disposes in the existing mobile radio communication will can not adapt to the variation of network capacity gradually.Especially at code division multiple access (CDMA, Code DivisionMultiple Access) in the network of technology, the base station that is configured to single carrier wave in the past can't satisfy that number of users increases and the traffic carrying capacity raising is brought to network resources demand, thereby Multi-Carrier basestation will progressively be widely used in network.
In fact, to increase the demand to power system capacity cause be different in different time sections to traffic carrying capacity.For example, exist the peak traffic phase in one day, promptly so-called when busy, also exist the less idle periods of traffic carrying capacity.Usually, for reliability and the fail safe that guarantees to communicate by letter, the configuration of base station should be satisfied the peak traffic phase to network resources demand, yet in certain period in one day, reduction along with traffic carrying capacity and number of users, will occur idle carrier resource in the base station, and these idle carrier waves are in running order equally, consumes energy.
In order to solve above-mentioned contradiction, the main thought that base station wireless resource is managed is the utilization that strengthens the network idling-resource at present.In order to utilize these idle system resources more fully, more general way is that operator uses the utilance that commercial means improves original idle systems resource at present.The timesharing zone registration is to solve professional unbalanced a kind of more general commercial means, by the different periods are provided with different rates, be that the heavy traffic period conversation rate is higher, telephone traffic conversation rate after a little while is low, to encourage the user to utilize the Internet resources idle period to communicate, reach telephone traffic is carried out regulating action, thereby improved the utilance of idle systems resource to a certain extent.
This scheme can improve the utilance of system to a certain extent, but, because the user behavior of malleable custom does not make that the method for utilizing the timesharing zone registration is also not obvious to the effect that improves system availability, still has the idle problem of place capacity in the system.
In the application of Multi-Carrier basestation, the idle of base station carrier unavoidably appears when the system business amount is low, these carrier resources can't be fully utilized, yet in existing technology, these idle carrier resources are but still in running order, consume the unnecessary energy, also be unfavorable for the prolongation of device lifetime.
Summary of the invention
Technical problem to be solved by this invention provides a kind of base station multiple carrier resource managing method, to be the carrier resource that system provides necessity according to the actual requirements, close unnecessary carrier wave, thereby reduce the power consumption of system on the whole, improve resource utilization ratio.
For addressing the above problem, the invention provides a kind of base station multiple carrier resource managing method, this method is specially:
1) detects acquisition carrier load, and calculate the duration of having finished detection;
2) threshold value and the carrier load that presets is compared,, then carry out step 3), otherwise the duration that detection has been finished in initialization returns step 1) if comparative result satisfies the condition that the carrier wave amount of will working is adjusted;
3) judge finished detection duration whether more than or equal to the detection duration that presets, if then the number of carriers of work is carried out the adjustment that adapts with described condition, and the duration that detection has been finished in initialization returns step 1), otherwise, continue timing, and return step 1).
Detection described in the said method is periodically to detect, and sense cycle is less than the described detection duration that presets.Wherein, step 2) detecting the method that obtains carrier load described in is specially: detect in running order carrier load respectively, and the mean value that obtains carrier load is as carrier load.
Step 2 in the said method) condition described in comprises: improve the condition of work number of carriers and the condition of reduction work number of carriers; The condition of described raising work number of carriers is the threshold value of carrier load greater than raising work at present number of carriers, and the condition of described reduction work number of carriers is that carrier load is not more than the threshold value that reduces the work at present number of carriers.And when comparative result satisfies the condition that the number of carriers of will working adjusts, judge whether this comparative result is identical with last time comparative result, if, then carry out step 3), if not, then the duration of detection has been finished in initialization, returns step 1).
In said method, the testing process during for the different operating number of carriers can preset different detection durations.
Compared with prior art, the beneficial effect that the present invention brings is: because a kind of base station multiple carrier resource managing method provided by the present invention, this method is a foundation with the actual loading situation of carrier wave, operating state by carrier wave in certain algorithm decision base station, make under the prerequisite that satisfies normal operation of network and capacity requirement, reduce the power consumption of system on the whole, helped the useful life of device in the prolongation equipment; On the other hand, because the use of this method has improved network resource utilization from an aspect, reached the purpose that improves the network operation performance index.
Description of drawings
Fig. 1 is an embodiment flow chart of realizing the carrier resource management in the two carrier wave base stations.
Embodiment
The invention provides a kind of base station multiple carrier resource managing method.
Be example with two carrier wave base stations below, the present invention is carried out specific description.
According to concrete needs, the base station of two carrier waves can work in two states.A kind of state is that two carrier waves of base station when network traffic is big carry out work simultaneously; Another state is to have only a carrier wave to carry out work in hour base station at network traffic, and another carrier wave is in closes.
For the conversion of two states, set a threshold value and be used for judging that the carrier wave whether network condition allows the base station to carry out work changes to another quantity from a number quantitative change.Getting of threshold value is to decide as the case may be surely, can select the criteria for classifying of a proper carrier wave load as two states according to the situation of change of network capacity.Getting threshold value in the present embodiment is 20%, thinks that promptly carrier load was greater than or equal at 20% o'clock, and network is in the bigger situation of traffic carrying capacity, and this moment, two carrier waves of base station should carry out work simultaneously, otherwise work should be carried out with single carrier in the base station.The selection of threshold value has been played conclusive effect for each operating state, should note satisfying 2 requirements when the selection of threshold value as far as possible: should avoid in the reality because the variation that threshold value setting improper causes the quantity of base station carrier work not stop as far as possible; The selection of threshold value should be tried one's best under the prerequisite that does not influence network quality and only be allowed the base station that necessary carrier resource is provided.
The working method of method provided by the present invention is specially, and allowing when the initialization of base station only has a carrier wave to carry out work in the base station, and another carrier wave is in closed condition.The process that picks up counting or count is used to monitor whether the testing process to carrier load reaches desired detection duration.The base station is detected and to be obtained carrier load, can be intermittent to the acquisition of carrier load, recommend to adopt periodic the detection in this method, and the sense cycle value is less than the detection duration that presets.Judge the number of carriers of carrying out work in the current base station,, then only have a carrier wave to carry out work, otherwise two carrier waves in might the base station carry out work simultaneously if this moment, initialization was just carried out in the base station.After the base station has obtained carrier load, be about to described carrier load and compare with the threshold value that presets.
Suppose that the current base station in this example only has a carrier wave to carry out work, carrier load that obtains and the threshold value 20% that presets are compared, if carrier load is little by 20%, the network that be described this moment is in the less situation of traffic carrying capacity, should keep the current state that only has a carrier wave to carry out work constant, should restart timing or counting, and wait for that measuring the carrier load that obtains compares judgement again next time.If the load value that measures more than or equal to the threshold value 20% that presets, illustrates that then network is in the bigger situation of traffic carrying capacity, the operating state of current base station can be carried out conversion, be about to the quantity that carrier wave carries out work and be increased to two from one.Consider that may be situation of short duration or accidental burst because of carrier load becomes the demand that causes greatly the number of carriers of work to be increased this moment, thereby, for fear of the frequent variation of the number of carriers of base station operating state, should judge whether current observation process satisfies the requirement that detects duration.If do not reach the detection duration that presets, explanation need be proceeded to judge according to the number of carriers of carrier load state needs increase work to whether, promptly should continue the process of timing or counting, and wait for that the carrier load that next time obtains is in order to judge whether still to meet the condition that increases the carrier wave working quantity; If reached or exceeded the detection duration this moment, then illustrate through after a while to the supervision of network condition, the demand of the base station carrier working quantity being brought up to two carrier waves is not accidental the burst, then the working quantity of current carrier wave should be increased to two by one, restart timing or counting process simultaneously, be used for monitoring again the process that the working quantity of carrier wave is adjusted.Totally see, the purpose of this step is: only in detecting duration, just carry out the adjustment of carrier wave working quantity when the result of the carrier load that obtains and the threshold value comparison of presetting is satisfied base station carrier working quantity change condition all the time, otherwise should proceed to judge the change condition that whether satisfies the carrier wave working quantity.
Fig. 1 has described the flow chart of carrier resource management method of the present invention in the two carrier wave base stations, corresponding to Fig. 1, specific implementation of the present invention is: step 11 is the initialized work in base station, only keep a carrier wave to carry out work when carrying out initialization in the base station, begin to carry out control from step 12 to multi-carrier resource, step 12 is T for the detection duration is set, step 13 is obtained the load L that carries out the work carrier wave for beginning to detect, and the detection that is provided with carrier load is periodic, sense cycle is P, after obtaining carrier load L, carry out step 14, judge in running order number of carriers in the current base station, two carrier waves supposing current base station are all in running order, then carry out step 15, judge that whether the carrier load of being obtained is less than the threshold value 20% that presets, if offered load is not less than 20%, then return step 12 replacement and detect duration, if offered load is less than 20%, then carry out step 16, it is last time to detect the poor of duration value and sense cycle that the currency that detects duration is set, be T=T-P, proceed step 17, judge that whether current detection duration is smaller or equal to zero, if detect the duration currency smaller or equal to zero, then carry out step 18, it is one that number of carriers in running order in the base station is adjusted and reduced by two, and returns step 12, reset and detect duration, be not less than zero if detect the duration currency, illustrate that then need continue to judge whether the work number of carriers of base station is adjusted and reduced by two is one, then returns step 13, continue to obtain carrier load, and keep current detection duration value.In specific embodiment shown in Figure 1, same by judging whether minus method reaches the process that monitors that the carrier wave working quantity changes to the current detection duration value, utilize the method that presets timer also can reach identical purpose.
The number of carriers that should be pointed out that work from an accent increase to two be that the detection duration that presets one the process can be different by two conditions.Transfer by carrier wave and to increase to short slightly that two carrier waves carry out that detection duration in the course of work can be provided with.This is because communication network needs to satisfy constantly the needs of service, when traffic carrying capacity improves, network should guarantee that necessary carrier resource is with the raising of the supporting business amount demand to network capacity, thereby will detect the duration setting weak point some made a response to the increase of offered load timely in the base station, provide necessary carrier resource to satisfy the demand that raising was brought of traffic carrying capacity to network capacity.
More than introduced in the two carrier wave base stations and realized specific embodiments of the invention, method of the present invention can be applied to the base station of three carrier waves and three above carrier waves equally.
With three carrier wave base stations is example, the base station can work in single carrier respectively, the situation of two carrier waves and three carrier waves, network when situation works in the different business amount respectively in three, preset with the work carrier wave transfer increase to three carrier waves limit value be 50%, the threshold value of adjusting and reducing to single carrier is 20%, then 20% between 50% the time, will have two carrier waves to work simultaneously in the base station.
Suppose that have two carrier waves simultaneously to work in the base station this moment, the carrier load of obtaining is 40%, then the carrier resource that provides of current base station can satisfy the demand of network quality, should keep the base station carrier operating state constant, be used for the timer reclocking that the follow-up work number of carriers is adjusted, and wait for that the next carrier load of obtaining is to judge whether the carrying out adjustment of work number of carriers.If the carrier load of obtaining for the first time is 55%, more than or equal to threshold value 50%, comparative result explanation base station should increase the number of carriers of work, and the working quantity of carrier wave should increase to three by two accent, should continue the timing of timer this moment, and wait for judged result next time.If being not more than, the carrier load of obtaining once more equals 50%, then explanation was last time of short duration when adjusting the demand of carrier wave working quantity, no matter how much current carrier load of obtaining is, as long as this and the comparative result of threshold value and comparative result different (promptly are not more than and equal 50%) last time, just should be with the timer reclocking, and wait for that the carrier load of next time obtaining is to judge whether and need adjust the number of carriers of work.If the carrier load that obtains is still greater than 50% once more, then timer continues timing, when arriving or surpass the detection duration, the carrier load of being obtained is all the time greater than 50%, then the number of carriers with base station work increases to three by two accent, and the process of control is adjusted in timer reclocking, continuation to the number of carriers of base station work.
Can select diverse ways to obtain carrier load according to different situations among the present invention.If the planning load of base station carrier is identical, the carrier wave of promptly working keeps load balancing, then only measures one of them load of carrying out the carrier wave of work and get final product when obtaining carrier load; Otherwise should measure the load of the carrier wave of all working respectively, and obtain its average and need carry out the foundation that the work number of carriers is adjusted as judging whether among the present invention.
When the base station had carrier wave more than three or three, can only investigate the number of carriers that only whether satisfies work for the adjustment of the number of carriers of work increased by one or only reduce by one condition.With the foregoing description is example, current when only having a carrier wave to carry out work, only judges whether the number of carriers of work to be adjusted into two; Or current when carrying out work by three carrier waves, only judge whether and the number of carriers of work need be adjusted into two.
Equally,, a plurality of timers can be set, judge whether and the number of carriers of work need be adjusted into arbitrary possible work number of carriers for base station with three or three above carrier waves.Be current if when having three carrier waves to carry out work, investigate the number of carriers that whether needs base station work respectively and be adjusted into two or one, when the base station works in single carrier or two carrier wave when all satisfying the demand of network capacity, recommendation is adjusted into single carrier with the number of carriers of work, promptly selects among the present invention the operating state of base station is adjusted into apart from current state state farthest.This processing method can increase the complexity of system's computing, but its benefit is that can make a response timely in the base station when the demand to network capacity improves rapidly, and necessary carrier resource is provided.
The invention provides a kind of base station multiple carrier resource managing method, when network traffic reduces, can close unnecessary carrier wave.Can realize real-time management according to the actual conditions of network according to this method to carrier resource.When realizing the carrier resource management by method of the present invention, the access algorithm of needs and RRM, potential user's algorithm and handoff algorithms cooperation are carried out.Specifically:
When the number of carriers of work need be adjusted and reduced, be example with two carrier wave base stations, system will carry out following measure:
1) starting load handoff algorithms switches to the business on the carrier wave 1 on the carrier wave 2;
2) start potential user's algorithm, the user on the guiding carrier wave 1 is resident to carrier wave 2 by the sub-district gravity treatment, improves the access thresholding of carrier wave 1 simultaneously;
3) start the access algorithm, refuse new user's access carrier 1 or the user is switched to carrier wave 2 by being redirected;
4) when the number of users of carrier wave 1 reduces to 0, NodeB closes carrier wave 1 by the OM channel notice, simultaneously carrier wave 1 is removed from the adjacent area table of carrier wave 2.
Need transfer when increasing when the number of carriers of work, be example with two carrier wave base stations, and system will carry out following measure:
1) opens carrier wave 1 by OM channel notice NodeB;
2) the original adjacent area table information of the reinsertion of carrier 2;
3) carrier wave 1 is with normal mode work.
More than method provided by the present invention has been carried out detailed argumentation.It should be understood that described only with the signal mode provided detailed description and instantiation.For one of ordinary skill in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some kinds to native system and improve or modification, these improvement or modification all should be considered as belonging to protection scope of the present invention.
Claims (8)
1. base station multiple carrier resource managing method is characterized in that:
1) detects acquisition carrier load, and calculate the duration of having finished detection;
2) threshold value and the carrier load that presets is compared,, then carry out step 3), otherwise the duration that detection has been finished in initialization returns step 1) if comparative result satisfies the condition that the carrier wave amount of will working is adjusted;
3) judge finished detection duration whether more than or equal to the detection duration that presets, if then the number of carriers of work is carried out the adjustment that adapts with described condition, and the duration that detection has been finished in initialization returns step 1), otherwise, continue timing, and return step 1).
2. base station multiple carrier resource managing method as claimed in claim 1 is characterized in that: detect described in the step 1) to periodicity detects, and sense cycle is less than the described detection duration that presets.
3. base station multiple carrier resource managing method as claimed in claim 1 is characterized in that, the process that step 1) detect to obtain carrier load is specially: detect in running order carrier load respectively, and the mean value that obtains carrier load is as carrier load.
4. base station multiple carrier resource managing method as claimed in claim 1 is characterized in that: the testing process during for the different operating number of carriers, preset different detection durations.
5. base station multiple carrier resource managing method as claimed in claim 1, it is characterized in that, step 2) also comprises in: when comparative result satisfies the condition that the number of carriers of will working adjusts, judge whether this comparative result is identical with last time comparative result, if then carry out step 3), if not, then the duration of detection has been finished in initialization, returns step 1).
6. as one of them described base station multiple carrier resource managing method of claim 1 to 5, it is characterized in that step 2) described in condition comprise: improve the condition of work number of carriers and reduce the condition of work number of carriers; The condition of described raising work number of carriers is the threshold value of carrier load greater than raising work at present number of carriers, and the condition of described reduction work number of carriers is that carrier load is not more than the threshold value that reduces the work at present number of carriers.
7. base station multiple carrier resource managing method as claimed in claim 6 is characterized in that, the adjustment that adapts with described condition described in the step 3) is specially: the adjustment that the number of carriers of work at present is increased or reduces.
8. base station multiple carrier resource managing method as claimed in claim 7 is characterized in that, the adjustment that adapts with described condition described in the step 3) is specially: the number of carriers of work at present is increased a carrier wave or reduce the adjustment of a carrier wave.
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| CNB2004100968131A CN100421480C (en) | 2004-12-01 | 2004-12-01 | Base station multiple carrier resource managing method |
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| CNB2004100968131A CN100421480C (en) | 2004-12-01 | 2004-12-01 | Base station multiple carrier resource managing method |
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| CN100421480C true CN100421480C (en) | 2008-09-24 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101111013B (en) * | 2007-08-17 | 2011-06-22 | 中兴通讯股份有限公司 | Base station power consumption dynamic control method and control system thereof |
| US8804588B2 (en) | 2008-07-29 | 2014-08-12 | Lg Electronics Inc. | Method for saving power in a multi-carrier wireless access system |
| CN101656979A (en) * | 2008-08-19 | 2010-02-24 | 华为技术有限公司 | Method, device and system for managing resources in multi-carrier system |
| US8965455B2 (en) * | 2010-01-11 | 2015-02-24 | Qualcomm Incorporated | Apparatus and method for reducing energy consumption by cellular base stations |
| CN103096323B (en) * | 2011-10-27 | 2016-03-02 | 鼎桥通信技术有限公司 | A kind of method of adjustment of carrier wave |
| CN103327582B (en) * | 2012-03-23 | 2017-02-15 | 华为技术有限公司 | Method for adjustment voltage of power amplifier and base station |
| CN109068351A (en) * | 2018-09-27 | 2018-12-21 | 京信通信系统（中国）有限公司 | Base Station Compatibility method of adjustment, device and communication system |
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