CN101990259A - Forward supplement channel speed assignment method and device and base station - Google Patents
Forward supplement channel speed assignment method and device and base station Download PDFInfo
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- CN101990259A CN101990259A CN2010105481974A CN201010548197A CN101990259A CN 101990259 A CN101990259 A CN 101990259A CN 2010105481974 A CN2010105481974 A CN 2010105481974A CN 201010548197 A CN201010548197 A CN 201010548197A CN 101990259 A CN101990259 A CN 101990259A
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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
Abstract
The invention provides a forward supplement channel speed assignment method, a forward supplement channel speed assignment device and a base station. The forward supplement channel speed assignment method comprises the following steps of: determining forward supplement channel (F-SCH) speed to be assigned in the dispatching cycle according to the wireless condition of a terminal and the power load of a load fan of a base station; adjusting the determined F-SCH speed according to the power fluctuation condition of the F-SCH in the last dispatching cycle; and assigning the F-SCH speed of the dispatching cycle according to the adjusted F-SCH speed. In the invention, the speed is assigned for the terminal according to the instantaneous wireless condition of a user and the power condition of the load fan, and extra speed reduction processing is performed on the terminal with serious fluctuation by evaluating the historical power fluctuation condition of the F-SCH of the terminal, so that unreasonable speed assignment caused by instantaneous sampling is avoided, and power overload of the load fan caused by the improvement on the transmission power of the F-SCH is relieved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of forward complementary channel velocity allocating method, device and base station.
Background technology
The high-speed packet data service that the CDMA2000 base station system provides, by SCH (Supplemental Channel, complement channel) finish aerial carrying, wherein the SCH from the base station to the terminal is F-SCH (Forward-Supplemental Channel, a forward complement channel).Because F-SCH needs bigger transmitting power compared to the primary channel of carry voice traffic, and the lifting of transmitting power can cause the overload of radio system.And under the equal wireless environment, the F-SCH of higher rate needs higher transmitting power.Thereby when F-SCH sets up, suitable speed of assignment, for preventing that radio system from promoting the overload that causes because of forward power, the systems stabilisation performance is very important.
At present the F-SCH velocity allocating strategy that uses of industry is based on end side wireless conditions and the comprehensive assessment of system side contained fan power load: the good more terminal of wireless conditions is under the light more contained fan of power load, in current dispatching cycle, the F-SCH speed that obtains is high more, otherwise then low more, even can not obtain the foundation of F-SCH.
Because the uncertainty that wireless network covers is inhomogeneous, disturb, and the mobility of wireless terminal, cause the wireless environment of terminal to have complicated variation within a short period of time.In this case, if F-SCH velocity allocating logic does not consider that user's wireless environment changes fast, still according to the instantaneous value of reporting conduct assessment foundation, the F-SCH that might fluctuate the terminal assignments higher rate serious to wireless environment, and in the next dispatching cycle of this terminal, worsen owing to wireless environment, terminal can require to improve the F-SCH transmitting power, thereby improves the contained fan forward emitting power.To be that contained fan power is instantaneous leap high the easier overload of radio system to final consequence.
Summary of the invention
Main purpose of the present invention is to provide a kind of forward complementary channel velocity allocating method, device and base station, because the fluctuation of end side wireless conditions is bigger, when carrying out the F-SCH velocity allocating, radio system is the problem of overload easily to solve above-mentioned at least.
According to an aspect of the present invention, provide a kind of forward complementary channel velocity allocating method, having comprised: determined the F-SCH speed of this dispatching cycle assignment according to the current operational factor of end side and base station side; Power fluctuation situation according to F-SCH in the last dispatching cycle is adjusted determined F-SCH speed; Carry out the F-SCH velocity allocating of this dispatching cycle according to adjusted F-SCH speed.
Further, determined F-SCH speed was adjusted, being comprised: the power fluctuation situation of determining F-SCH in the last dispatching cycle according to the power fluctuation situation of F-SCH in the last dispatching cycle; When the power fluctuation situation of F-SCH in the last dispatching cycle during, determined F-SCH speed was reduced a predetermined progression greater than predetermined threshold.
Further, determined that a last dispatching cycle, the power fluctuation situation of interior F-SCH comprised: the transmitting power of F-SCH is sampled by predetermined sampling time interval and predetermined sampling number; The power fluctuation situation of determining a lasted dispatching cycle of interior F-SCH is the sampling number of the transmitting power of the F-SCH F-SCH power upper limit value that reaches system configuration and the ratio of predetermined sampling number.
Further, determine after the F-SCH speed of this dispatching cycle with assignment according to the current operational factor of end side and base station side, also comprise: judge that determined F-SCH speed is whether greater than the F-SCH minimum speed limit of system configuration, only, determined F-SCH speed is reduced a predetermined progression when determined F-SCH speed during greater than the F-SCH minimum speed limit of system configuration.
Further, the current operational factor of end side and base station side is end side wireless conditions and base station side contained fan power load.
Further, the end side wireless conditions comprises one of following at least parameter: terminal primary channel transmitted power, EC/IO (Energy Chip chip energy/other area interference of Interfere Other cell) instantaneous sampling value.
According to a further aspect in the invention, provide a kind of forward complementary channel velocity allocating device, having comprised: determination module is used for determining the F-SCH speed of this dispatching cycle with assignment according to the current operational factor of end side and base station side; Adjusting module is used for according to the power fluctuation situation of F-SCH in the last dispatching cycle determined F-SCH speed being adjusted; Distribution modulator is used for carrying out according to adjusted F-SCH speed the F-SCH velocity allocating of this dispatching cycle.
Further, adjusting module comprises: the power fluctuation submodule was used for determining the power fluctuation situation of a lasted dispatching cycle of interior F-SCH; Power is adjusted submodule, when being used for power fluctuation situation as F-SCH in the last dispatching cycle greater than predetermined threshold, with predetermined progression of determined F-SCH speed reduction.
Further, the power fluctuation submodule comprises: sampling unit is used for by predetermined sampling time interval and predetermined sampling number the transmitting power of F-SCH being sampled; Fluctuation determining unit, the power fluctuation situation that was used for determining a lasted dispatching cycle of interior F-SCH are the sampling number of the transmitting power of the F-SCH F-SCH power upper limit value that reaches system configuration and the ratio of predetermined sampling number.
Further, F-SCH velocity allocating device also comprises: judge module, be used to judge that determined F-SCH speed is whether greater than the F-SCH minimum speed limit of system configuration, only, determined F-SCH speed is reduced a predetermined progression when determined F-SCH speed during greater than the F-SCH minimum speed limit of system configuration.
In accordance with a further aspect of the present invention, provide a kind of base station, this base station comprises above-mentioned forward complementary channel velocity allocating device.
In the present invention, except being the terminal assignments speed according to instantaneous wireless conditions of user and contained fan power condition, also by the historical power fluctuation situation of assessment terminal F-SCH, take extra reduction of speed to handle to the serious terminal that fluctuates, avoided having alleviated the contained fan power overload that causes because of the raising of F-SCH transmitting power because the velocity allocating that instantaneous sampling causes is unreasonable.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the F-SCH velocity allocating method flow diagram according to the embodiment of the invention;
Fig. 2 is the F-SCH velocity allocating apparatus structure block diagram according to the embodiment of the invention;
Fig. 3 is the F-SCH velocity allocating apparatus structure block diagram according to the embodiment of the invention one;
Fig. 4 is the F-SCH velocity allocating flow chart according to the embodiment of the invention two; And
Fig. 5 is the base station according to the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Fig. 1 is the F-SCH velocity allocating method flow diagram according to the embodiment of the invention.Shown in 1, may further comprise the steps as shown in the figure:
Step S102 determines the F-SCH speed of this dispatching cycle with assignment according to end side wireless conditions and base station side contained fan power load.
Step S104 adjusted determined F-SCH speed according to the power fluctuation situation of F-SCH in the last dispatching cycle.
Step S106 carries out the F-SCH velocity allocating of this dispatching cycle according to adjusted F-SCH speed.
In said method, except being the terminal assignments speed according to instantaneous wireless conditions of user and contained fan power condition, also by the historical power fluctuation situation of assessment terminal F-SCH, take extra reduction of speed to handle to the serious terminal that fluctuates, avoided having alleviated the contained fan power overload that causes because of the raising of F-SCH transmitting power because the velocity allocating that instantaneous sampling causes is unreasonable.
Above-mentioned steps S104 specifically comprises: the power fluctuation situation of determining F-SCH in the last dispatching cycle; When the power fluctuation situation of F-SCH in the last dispatching cycle during, determined F-SCH speed was reduced a predetermined progression greater than predetermined threshold.Wherein, determined that a last dispatching cycle, the power fluctuation situation of interior F-SCH comprised: the transmitting power of F-SCH is sampled by predetermined sampling time interval and predetermined sampling number; The power fluctuation situation of determining a lasted dispatching cycle of interior F-SCH is the sampling number of the transmitting power of the F-SCH F-SCH power upper limit value that reaches system configuration and the ratio of predetermined sampling number.Certainly, the assessment of the power fluctuation situation of F-SCH is not limited to decision logic in this enforcement, also can adopts other standards, all can as long as can reflect the F-SCH power fluctuation situation of terminal in the certain time length.
After above-mentioned steps S102, also comprise step: judge that determined F-SCH speed is whether greater than the F-SCH minimum speed limit of system configuration, if the F-SCH speed that obtains in step S102 has been minimum speed limit, then reduction of speed no longer carries out the F-SCH velocity allocating by minimum speed limit.
Wherein, the end side wireless conditions among the step S102 can characterize with terminal primary channel transmitted power and EC/IO instantaneous sampling value.
Fig. 2 is the F-SCH velocity allocating apparatus structure block diagram according to the embodiment of the invention.As shown in Figure 2, comprise: determination module 10, adjusting module 20 and distribution modulator 30, wherein, determination module 10, adjusting module 20 and distribution modulator 30 are connected successively, determination module 10 is used for determining the F-SCH speed of this dispatching cycle with assignment according to end side wireless conditions and base station side contained fan power load; Adjusting module 20 is used for according to the power fluctuation situation of F-SCH in the last dispatching cycle determined F-SCH speed being adjusted; Distribution modulator 30 is used for carrying out according to adjusted F-SCH speed the F-SCH velocity allocating of this dispatching cycle.
In said apparatus, except being the terminal assignments speed according to instantaneous wireless conditions of user and contained fan power condition, also by the historical power fluctuation situation of adjusting module 20 assessment terminal F-SCH, take extra reduction of speed to handle to the serious terminal that fluctuates, avoided having alleviated the contained fan power overload that causes because of the raising of F-SCH transmitting power because the velocity allocating that instantaneous sampling causes is unreasonable.
Fig. 3 is the F-SCH velocity allocating apparatus structure block diagram according to the embodiment of the invention one.As shown in Figure 3, this velocity allocating device comprises and connects cover half piece 10, judge module 40, adjusting module 20 and distribution modulator 30 really successively, wherein, judge module 40, be used to judge that determination module 10 determined F-SCH speed are whether greater than the F-SCH minimum speed limit of system configuration, only, determined F-SCH speed is reduced a predetermined progression when determined F-SCH speed during greater than the F-SCH minimum speed limit of system configuration; The function of determination module 10, adjusting module 20 and distribution modulator 30 is identical with the function of the foregoing description.
In the present embodiment, adjusting module 20 comprises power fluctuation submodule 202 and power adjustment submodule 204, and wherein, power fluctuation submodule 202 was used for determining the power fluctuation situation of F-SCH in the last dispatching cycle; Power is adjusted submodule 204, when being used for power fluctuation situation as F-SCH in the last dispatching cycle greater than predetermined threshold, with predetermined progression of determined F-SCH speed reduction.
In the present embodiment, power fluctuation submodule 204 comprises sampling unit 2042 and fluctuation determining unit 2044, and wherein, sampling unit 2042 is used for by predetermined sampling time interval and predetermined sampling number the transmitting power of F-SCH being sampled; Fluctuation determining unit 2044, the power fluctuation situation that was used for determining a lasted dispatching cycle of interior F-SCH are the sampling number of the transmitting power of the F-SCH F-SCH power upper limit value that reaches system configuration and the ratio of predetermined sampling number.
Fig. 4 is the F-SCH velocity allocating flow chart according to the embodiment of the invention two, as shown in Figure 4, may further comprise the steps:
Step S402 carries out moment of velocity allocating dispatching cycle at each F-SCH, according to terminal primary channel power, EC/IO instantaneous sampling value and contained fan current power situation F-SCH is carried out velocity allocating, draws and treats assignment F-SCH speed.
Step S404 judges whether success of F-SCH initial rate assignment, if, execution in step S408 then, otherwise, execution in step S406.
Step S406, the failure of F-SCH velocity allocating.
Step S408 is according to the F-SCH power limited number of times assessment power fluctuation situation of terminal in N * t duration of a last dispatching cycle of writing down.Wherein, the flow process of obtaining F-SCH power limited number of times comprises: after user's primary channel is set up, cycle (duration is t at interval) is read the transmitting power of F-SCH, the F-SCH upper limit of emission power (system configuration values) that the transmitting power of the F-SCH that read is corresponding with F-SCH speed relatively, if the transmitting power of F-SCH reaches the F-SCH upper limit of emission power, then represent power limited, N t week after date calculates this terminal F-SCH at the limited number of times X of this N * t duration internal power, and preserves.Behind next N * t duration, recomputate and upgrade the value of X, so circulation.
Step S410 judges that whether F-SCH power fluctuation situation surpasses threshold value, if, execution in step S412 then, otherwise, then do not carry out extra reduction of speed, the velocity allocating success.Wherein, F-SCH power fluctuation situation was the ratio of terminal F-SCH power limited number of times X and N in a last dispatching cycle.
Step S412 judges to treat whether assignment F-SCH speed is minimum speed limit, if, then do not carry out extra reduction of speed, the velocity allocating success, if not, execution in step S416 then.
Step S414, a speed grade falls in F-SCH speed, promptly surpasses threshold value in F-SCH power fluctuation situation, and treats that assignment speed is not under the condition of minimum speed limit, treats assignment speed and carries out reduction of speed.
Step S416, the F-SCH velocity allocating is finished.
In above-mentioned flow process, dispatching cycle and F-SCH power samples cycle t are two two separate duration notions, and F-SCH power collecting and F-SCH velocity allocating also are the flow processs of two independent actions.
Fig. 5 is the base station according to the embodiment of the invention, and as shown in Figure 5, this base station 200 comprises the F-SCH velocity allocating device 100 in the foregoing description.This base station 200 can be applicable to the CDMA2000 system, when the base station system that includes F-SCH velocity allocating device 100 is user's data service provisioning F-SCH speed, except being the terminal assignments speed according to instantaneous wireless conditions of user and contained fan power condition, by the historical power fluctuation situation of assessment terminal F-SCH, take extra reduction of speed to handle to the serious terminal that fluctuates.
In the above embodiment of the present invention, when carrying out the F-SCH velocity allocating for terminal, except considering instantaneous wireless conditions of user and contained fan power condition, also the power fluctuation situation of terminal F-SCH is assessed, when the terminal power fluctuation acquires a certain degree in the last one-period, a speed grade is fallen in selected speed again, up to reducing to the FSCH minimum speed limit, thereby avoided having alleviated the contained fan power overload that causes because of the raising of F-SCH transmitting power because the velocity allocating that instantaneous sampling causes is unreasonable.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a forward complement channel F-SCH velocity allocating method is characterized in that, comprising:
Determine the F-SCH speed of this dispatching cycle according to the current operational factor of end side and base station side with assignment;
Power fluctuation situation according to F-SCH in the last dispatching cycle is adjusted determined F-SCH speed;
Carry out the F-SCH velocity allocating of this dispatching cycle according to adjusted F-SCH speed.
2. F-SCH velocity allocating method according to claim 1 is characterized in that, according to the power fluctuation situation of F-SCH in the last dispatching cycle determined F-SCH speed is adjusted, and comprising:
Determined the power fluctuation situation of F-SCH in the described last dispatching cycle;
When the power fluctuation situation of F-SCH in the last dispatching cycle during, determined F-SCH speed was reduced a predetermined progression greater than predetermined threshold.
3. F-SCH velocity allocating method according to claim 2 is characterized in that, determines that the power fluctuation situation of F-SCH in the described last dispatching cycle comprised:
By predetermined sampling time interval and predetermined sampling number the transmitting power of F-SCH is sampled;
Determined that the power fluctuation situation of F-SCH in a described last dispatching cycle was the sampling number of the transmitting power of the described F-SCH F-SCH power upper limit value that reaches system configuration and the ratio of described predetermined sampling number.
4. F-SCH velocity allocating method according to claim 2, it is characterized in that, determine after the F-SCH speed of this dispatching cycle with assignment according to the current operational factor of end side and base station side, also comprise: judge that determined F-SCH speed is whether greater than the F-SCH minimum speed limit of system configuration, only, determined F-SCH speed is reduced a described predetermined progression when determined F-SCH speed during greater than the F-SCH minimum speed limit of system configuration.
5. F-SCH velocity allocating method according to claim 1 is characterized in that, the current operational factor of described end side and base station side is end side wireless conditions and base station side contained fan power load.
6. F-SCH velocity allocating method according to claim 5, it is characterized in that described end side wireless conditions comprises one of following at least parameter: the ratio EC/IO instantaneous sampling value of the intensity of terminal primary channel transmitted power, received signal and adjacent area interference level.
7. a forward complement channel F-SCH velocity allocating device is characterized in that, comprising:
Determination module is used for determining the F-SCH speed of this dispatching cycle with assignment according to the current operational factor of end side and base station side;
Adjusting module is used for according to the power fluctuation situation of F-SCH in the last dispatching cycle determined F-SCH speed being adjusted;
Distribution modulator is used for carrying out according to adjusted F-SCH speed the F-SCH velocity allocating of this dispatching cycle.
8. F-SCH velocity allocating device according to claim 7 is characterized in that described adjusting module comprises:
The power fluctuation submodule was used for determining the power fluctuation situation of described a lasted dispatching cycle of interior F-SCH;
Power is adjusted submodule, when being used for power fluctuation situation as F-SCH in the last dispatching cycle greater than predetermined threshold, with predetermined progression of determined F-SCH speed reduction.
9. F-SCH velocity allocating device according to claim 8 is characterized in that, described power fluctuation submodule comprises: sampling unit is used for by predetermined sampling time interval and predetermined sampling number the transmitting power of F-SCH being sampled;
Fluctuation determining unit, the power fluctuation situation that was used for determining described a lasted dispatching cycle of interior F-SCH are the sampling number of the transmitting power of the described F-SCH F-SCH power upper limit value that reaches system configuration and the ratio of described predetermined sampling number.
10. F-SCH velocity allocating device according to claim 7 is characterized in that, also comprises:
Judge module is used to judge determined F-SCH speed whether greater than the F-SCH minimum speed limit of system configuration, only when determined F-SCH speed during greater than the F-SCH minimum speed limit of system configuration, determined F-SCH speed is reduced a predetermined progression.
11. a base station is characterized in that, comprises each described F-SCH velocity allocating device of claim 7 to 10.
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| CN201010548197.4A CN101990259B (en) | 2010-11-17 | 2010-11-17 | Forward supplement channel speed assignment method and device and base station |
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| CN201010548197.4A CN101990259B (en) | 2010-11-17 | 2010-11-17 | Forward supplement channel speed assignment method and device and base station |
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| CN101990259A true CN101990259A (en) | 2011-03-23 |
| CN101990259B CN101990259B (en) | 2014-04-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902552A (en) * | 2014-03-06 | 2015-09-09 | 深圳市中兴微电子技术有限公司 | Method and device for controlling uplink power |
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| US4670899A (en) * | 1985-05-31 | 1987-06-02 | Northern Telecom Limited | Load balancing for cellular radiotelephone system |
| CN101137083A (en) * | 2007-01-23 | 2008-03-05 | 中兴通讯股份有限公司 | Forward complementary channel velocity allocating method |
| CN101141161A (en) * | 2007-01-22 | 2008-03-12 | 中兴通讯股份有限公司 | Forward complementary channel velocity allocating method |
-
2010
- 2010-11-17 CN CN201010548197.4A patent/CN101990259B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4670899A (en) * | 1985-05-31 | 1987-06-02 | Northern Telecom Limited | Load balancing for cellular radiotelephone system |
| CN101141161A (en) * | 2007-01-22 | 2008-03-12 | 中兴通讯股份有限公司 | Forward complementary channel velocity allocating method |
| CN101137083A (en) * | 2007-01-23 | 2008-03-05 | 中兴通讯股份有限公司 | Forward complementary channel velocity allocating method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902552A (en) * | 2014-03-06 | 2015-09-09 | 深圳市中兴微电子技术有限公司 | Method and device for controlling uplink power |
| CN104902552B (en) * | 2014-03-06 | 2019-08-16 | 深圳市中兴微电子技术有限公司 | Control the method and device of uplink power |
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| CN101990259B (en) | 2014-04-09 |
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