CN102685858B - Radio frequency unit power consumption control method and station system - Google Patents
Radio frequency unit power consumption control method and station system Download PDFInfo
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- CN102685858B CN102685858B CN201110066279.XA CN201110066279A CN102685858B CN 102685858 B CN102685858 B CN 102685858B CN 201110066279 A CN201110066279 A CN 201110066279A CN 102685858 B CN102685858 B CN 102685858B
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- power
- radio frequency
- power amplifier
- frequency unit
- future services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/223—TPC being performed according to specific parameters taking into account previous information or commands predicting future states of the transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/226—TPC being performed according to specific parameters taking into account previous information or commands using past references to control power, e.g. look-up-table
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/246—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter calculated in said terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
Abstract
The invention provides a radio frequency unit power consumption control method and a station system. The power consumption control method includes: a base band unit detects the current business power in each downlink time slot; the base band unit forecasts the maximum value of future business power in all the downlink time slots of a next time period according to the current business power; a radio frequency unit chooses corresponding power amplification parameters from a preset compassion table of output power and the power amplification parameters according to the maximum value of future business power; and the radio frequency unit sets the power amplification in the radio frequency unit according to the power amplification parameters. By forecasting the maximum value of the future business power in the next time period and choosing the power amplification parameters through table look-up, the radio frequency unit power consumption control method and the station system can dynamically adjust the working state of power amplification and can enable the power amplification of the radio frequency unit to operate with low power consumption in low load, so that the effect of energy saving in the low load can be achieved.
Description
Technical field
The present invention relates to a kind of radio frequency unit power consumption control and base station system, belong to wireless radio-frequency field.
Background technology
Along with TD SDMA (Time Division-Synchronous Code DivisionMultiple Access, be called for short: the TD-SCDMA) development of network, the power output of eating dishes without rice or wine is increasing, and the Overall Power Consumption of radio frequency unit is increasing.In order to reach energy-conservation object, needing under the prerequisite not affecting performance of eating dishes without rice or wine, reducing the Overall Power Consumption of radio frequency unit.
Current industry addresses this problem the main time slot intelligence turn-off technique that adopts to realize power saving consumption reduction.Existing TD-SCDMA system is a time-division system, business on carrier wave is according to time slot allocation, and the power consumption of radio frequency unit is mainly concentrating on descending power amplifier (PA), based on this 2 point, this technology when all carrier waves of certain passage of radio frequency unit all do not have business on certain time slot, then at this moment gap to turn off the power amplifier of this passage energy-conservation to realize.
But, the defect of this time slot intelligence turn-off technique is: although the efficiency of economize on electricity is fine, but be limited to and need all carrier waves on passage all without business, so only have just can enter this energy saver mode without business completely night, and real network is not unloaded but low load under many circumstances, the power saving under low load therefore cannot be solved.
Summary of the invention
The invention provides a kind of radio frequency unit power consumption control and base station system, in order to solve the power saving under low load.
One aspect of the present invention provides a kind of radio frequency unit power consumption control, comprising:
Base Band Unit detects the current business power in each descending time slot;
Described Base Band Unit is according to the future services power maximum in all descending time slots in described current business power prediction subsequent period;
Radio frequency unit according to described future services power maximum from preset power output to select corresponding power amplifier parameter power amplifier parameter lookup table;
Described radio frequency unit is according to the power amplifier in described this radio frequency unit of power amplifier optimum configurations.
The present invention provides a kind of base station system on the other hand, comprises Base Band Unit and radio frequency unit, is provided with control unit and power amplifier in this radio frequency unit, wherein:
Described Base Band Unit comprises:
Detection module, for detecting the current business power in each descending time slot;
Prediction module, for the described current business power prediction that detects according to detection module next
Future services power maximum in period in all descending time slots;
The control unit of described radio frequency unit comprises:
Select module, for predict according to Base Band Unit the described future services power maximum that obtains from default power output to select corresponding power amplifier parameter power amplifier parameter lookup table;
Module is set, for according to select model choice described this radio frequency unit of power amplifier optimum configurations in power amplifier.
The present invention passes through the future services power maximum in prediction subsequent period and tables look-up to select power amplifier parameter, and the operating state of dynamic conditioning power amplifier, can make the power amplifier of radio frequency unit when low load with low power operation, thus realize the energy-saving effect under low load.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of radio frequency unit power consumption control embodiment of the present invention;
Fig. 2 is the particular flow sheet of step 130 in method shown in Fig. 1;
Fig. 3 is the structural representation of base station system embodiment of the present invention;
Fig. 4 is the concrete structure schematic diagram of the Base Band Unit 10 in system shown in Figure 3;
Fig. 5 is the concrete structure schematic diagram of the prediction module 12 in Base Band Unit 10 shown in Fig. 4;
Fig. 6 is the concrete structure schematic diagram of the control unit 21 in system shown in Figure 3;
Fig. 7 is the concrete structure schematic diagram of the selection module 21A in control unit 21 shown in Fig. 6.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the flow chart of radio frequency unit power consumption control embodiment of the present invention, as shown in the figure, comprises the steps:
Step 110, Base Band Unit detects the current business power in each descending time slot.
Wherein, described Base Band Unit is for carrying out the unit of base band signal process in the base station system of cordless communication network; Described current business refers to and takies described descending time slot and the business performed.
Step 120, described Base Band Unit is according to the future services power maximum in all descending time slots in described current business power prediction subsequent period.
Particularly, the duration of described subsequent period can be arranged according to the power features of business.Variation tendency due to the service power in each time slot is milder usually, therefore can based on the future services power in the statistical law prediction subsequent period of service power variation tendency in the past in this descending time slot in each descending time slot, and then from the future services power predicted in all descending time slots of obtaining, add up the future services power maximum obtained in subsequent period in all descending time slots, this future services power maximum represents the maximum power value of business in subsequent period likely demand.
Step 130, radio frequency unit according to described future services power maximum from preset power output to select corresponding power amplifier parameter power amplifier parameter lookup table.
Wherein, described power output and power amplifier parameter lookup table are the tables of data that the power amplifier in described radio frequency unit is written in Fla sh memory when going out block, wherein have recorded the power output of power amplifier and the corresponding informance of power amplifier parameter, described power amplifier parameter comprises leakage pressure value and the grid voltage value of the power tube of power amplifier in described radio frequency unit, and this grid voltage value is specifically as follows multistage grid voltage value.Detailed process and citing will be described in detail in subsequent content.
Step 140, described radio frequency unit is according to the power amplifier in described this radio frequency unit of power amplifier optimum configurations.
Particularly, the power tube of power amplifier can be set according to the leakage pressure value found from described power and power amplifier parameter lookup table and grid voltage value.
Method described in the present embodiment is passed through the future services power maximum in prediction subsequent period and tables look-up to select power amplifier parameter, the operating state of dynamic conditioning power amplifier, the power amplifier of radio frequency unit can be made when low load with low power operation, thus realize the energy-saving effect under low load.
Below describe the specific implementation process of above-mentioned steps 130 in detail, as shown in Figure 2, can comprise the steps:
Step 131, compares the output power value in described future services power maximum and described power output and power amplifier parameter lookup table.
Such as, as shown in table 1, for of described power output and power amplifier parameter lookup table is routine.
Table 1
| pwr_stage(dBm) | 40.8 | 39.8 | 38.8 | 37.8 | 36.8 | 35.8 | 34.8 | 33.8 | 32.8 |
| pa_drain(mv) | 26000 | 25000 | 24000 | 24000 | 24000 | 22000 | 22000 | 22000 | 22000 |
| Grid_voltage_stage1(mv) | 2650 | 2650 | 2650 | 2650 | 2650 | 2650 | 2630 | 2580 | 2580 |
| Grid_voltage_stage2(mv) | 2778 | 2778 | 2778 | 2778 | 2778 | 2778 | 2748 | 2708 | 2708 |
| Grid_voltage_stage3(mv) | 2650 | 2650 | 2650 | 2650 | 2650 | 2650 | 2630 | 2580 | 2580 |
| Grid_voltage_stage4(mv) | 1808 | 1808 | 1808 | 1808 | 1808 | 1808 | 1808 | 1808 | 1808 |
In Table 1, " pwr_stage " represents the peak power output that power amplifier can reach; " pa_drain " represents and reaches corresponding peak power output, needs the leakage pressure value set by the drain electrode of power tube; " Grid_voltage_stage1 " represents and reaches corresponding peak power output, needs the first order grid voltage value set by the grid of first order power tube; " Grid_voltage_stage2 " represents and reaches corresponding peak power output, needs the second level grid voltage value set by the grid of second level power tube; " Grid_voltage_stage3 " represents and reaches corresponding peak power output, needs the third level grid voltage value set by the grid of third level power tube; " Grid_voltage_stage4 " represents and reaches corresponding peak power output, needs the fourth stage grid voltage value set by the grid of fourth stage power tube.
Step 132, selects minimum output power value as selected output power value from the output power value being more than or equal to described future services power maximum.
Suppose that described Base Band Unit predicts that the future services power maximum obtained is 33dB, from table 1, find the output power value being more than or equal to 33dB have 40.8,39.8,38.8,37.8,36.8,35.8 and 34.8, wherein minimum output power value is 34.8, therefore using 34.8 as selected output power value.
Step 133, from described power output to select the power amplifier parameter corresponding with described selected output power value power amplifier parameter lookup table.
In upper example, the leakage pressure value corresponding to " 34.8 " in table 1 is 22000, first order grid voltage value is 2630, second level grid voltage value is 2748, third level grid voltage value be 2630 and fourth stage grid voltage value be 1808.
Fig. 3 is the structural representation of base station system embodiment of the present invention, and as shown in the figure, this system comprises Base Band Unit 10 and radio frequency unit 20, and be provided with control unit 21 and power amplifier 22 in this radio frequency unit 20, its operation principle is as follows:
As shown in Figure 4, described Base Band Unit 10 detects the current business power in each descending time slot by detection module 11, and wherein, described current business refers to and takies described descending time slot and the business performed; Then the future services power maximum in the described current business power prediction subsequent period detected according to detection module 11 by prediction module 12 in all descending time slots, particularly, as shown in Figure 5, first the current business power in each described descending time slot detected according to detection module 11 by the predictor module 12A in prediction module 12 based on the statistical law of service power variation tendency in the past in this descending time slot, the future services power in prediction subsequent period in each described descending time slot; Then predict the future services power maximum that the future services power in all descending time slots of obtaining, statistics obtains in subsequent period in all descending time slots from predictor module 12A by statistics submodule 12B.
After this, as shown in Figure 6, control unit in described radio frequency unit 20 21 by the described future services power maximum selecting module 21A predict according to Base Band Unit 10 to obtain from default power output to select corresponding power amplifier parameter power amplifier parameter lookup table, about the explanation of described power output and power amplifier parameter lookup table can see the related content of said method embodiment.Particularly, as shown in Figure 7, first by the comparison sub-module 21AA selected in module 21A Base Band Unit 10 predicted that the output power value in the described future services power maximum and described power output and power amplifier parameter lookup table obtained compares, wherein about the citing of power output and power amplifier parameter lookup table can see table 1 and related description thereof; Then by the first chooser module 21AB according to the comparative result of comparison sub-module 21AA, from the output power value being more than or equal to described future services power maximum, select minimum output power value as selected output power value; Finally by the power amplifier parameter that the second chooser module 21AC is corresponding to the described selected output power value selecting power amplifier parameter lookup table to select with the first chooser module 21AB from described power output.
Then, by arranging module 21B according to the power amplifier in described this radio frequency unit of power amplifier optimum configurations selecting module 21A to select.Particularly, the power tube of power amplifier can be set according to the leakage pressure value found from described power and power amplifier parameter lookup table and grid voltage value, and grid voltage value wherein also can be multistage grid voltage value.
System described in the present embodiment is passed through the future services power maximum in prediction subsequent period and tables look-up to select power amplifier parameter, the operating state of dynamic conditioning power amplifier, the power amplifier of radio frequency unit can be made when low load with low power operation, thus realize the energy-saving effect under low load.
In addition, as shown in Figure 3, can also carry out in the radio frequency unit in this base station system being provided with transceiver 23, be formed with data path respectively and between Base Band Unit 10 and power amplifier 22, to realize the transmitting-receiving to data-signal.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a radio frequency unit power consumption control, is characterized in that comprising:
Base Band Unit detects the current business power in each descending time slot;
Described Base Band Unit is according to the future services power maximum in all descending time slots in described current business power prediction subsequent period;
Radio frequency unit according to described future services power maximum from preset power output to select corresponding power amplifier parameter power amplifier parameter lookup table;
Described radio frequency unit is according to the power amplifier in described this radio frequency unit of power amplifier optimum configurations;
Wherein, described Base Band Unit comprises according to the future services power maximum in all descending time slots in described current business power prediction subsequent period:
Described Base Band Unit according to the current business power in each described descending time slot and based on the statistical law of service power variation tendency in the past in this descending time slot, the future services power in prediction subsequent period in each described descending time slot;
The future services power maximum obtained in subsequent period in all descending time slots is added up future services power in all descending time slots that prediction obtains;
Described future services power maximum represents the maximum power value of the business demand in subsequent period;
Wherein, described radio frequency unit comprises to selecting corresponding power amplifier parameter power amplifier parameter lookup table from the power output preset according to described future services power maximum:
Output power value in described future services power maximum and described power output and power amplifier parameter lookup table is compared;
From the output power value being more than or equal to described future services power maximum, select minimum output power value as selected output power value;
From described power output to select the power amplifier parameter corresponding with described selected output power value power amplifier parameter lookup table.
2. method according to claim 1, is characterized in that described power amplifier parameter comprises leakage pressure value and the grid voltage value of the power tube of power amplifier in described radio frequency unit.
3. method according to claim 2, is characterized in that described grid voltage value is multistage grid voltage value.
4. a base station system, comprises Base Band Unit and radio frequency unit, is provided with control unit and power amplifier, it is characterized in that in this radio frequency unit:
Described Base Band Unit comprises:
Detection module, for detecting the current business power in each descending time slot;
Prediction module, for the future services power maximum in all descending time slots in the described current business power prediction subsequent period that detects according to detection module;
The control unit of described radio frequency unit comprises:
Select module, for predict according to Base Band Unit the described future services power maximum that obtains from default power output to select corresponding power amplifier parameter power amplifier parameter lookup table;
Module is set, for according to select model choice described this radio frequency unit of power amplifier optimum configurations in power amplifier;
Wherein, described prediction module comprises:
Predictor module, for the current business power in each described descending time slot that detects according to detection module and based on the statistical law of service power variation tendency in the past in this descending time slot, the future services power in prediction subsequent period in each described descending time slot;
Statistics submodule, for future services power maximum predict that from predictor module in the future services power in all descending time slots of obtaining, statistics obtains in subsequent period in all descending time slots;
Described future services power maximum represents the maximum power value of the business demand in subsequent period;
Wherein, described selection module comprises:
Comparison sub-module, for predicting that by Base Band Unit the output power value in the described future services power maximum and described power output and power amplifier parameter lookup table that obtain compares;
First chooser module, for the comparative result according to comparison sub-module, selects minimum output power value as selected output power value from the output power value being more than or equal to described future services power maximum;
Second chooser module, for from described power output to select the power amplifier parameter corresponding with the described selected output power value of the first chooser model choice in power amplifier parameter lookup table.
5., according to the base station system described in claim 4, it is characterized in that described power amplifier parameter comprises leakage pressure value and the grid voltage value of the power tube of power amplifier in described radio frequency unit.
6. base station system according to claim 5, is characterized in that described grid voltage value is multistage grid voltage value.
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| CN201110066279.XA CN102685858B (en) | 2011-03-18 | 2011-03-18 | Radio frequency unit power consumption control method and station system |
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| CN201110066279.XA CN102685858B (en) | 2011-03-18 | 2011-03-18 | Radio frequency unit power consumption control method and station system |
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| CN102685858B true CN102685858B (en) | 2015-04-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102984742B (en) * | 2012-11-14 | 2015-07-08 | 华为技术有限公司 | Method and device and system for base station energy consumption monitoring |
| CN102917449B (en) * | 2012-11-19 | 2016-06-08 | 东莞宇龙通信科技有限公司 | The inflation method of terminal and radio frequency emission power of terminal |
| CN105471446A (en) * | 2014-09-04 | 2016-04-06 | 中兴通讯股份有限公司 | Power amplification processing method and device |
| WO2018227347A1 (en) | 2017-06-12 | 2018-12-20 | 华为技术有限公司 | Method and device for reducing power consumption of pa |
| CN113795047B (en) * | 2021-09-15 | 2023-11-17 | 深圳市佳贤通信设备有限公司 | Downlink energy saving method, system, computer equipment and storage medium |
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| CN101114860B (en) * | 2007-08-17 | 2011-04-06 | 华为技术有限公司 | Method and device for controlling power amplification |
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| CN101087161A (en) * | 2007-07-17 | 2007-12-12 | 华为技术有限公司 | Method and device for tracking Doherty power amplification service |
| CN101552629A (en) * | 2008-04-01 | 2009-10-07 | 中国移动通信集团公司 | Method as well as device and system for adjusting working voltage of multi-carrier power amplifier |
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