CN101924520B - Base station power amplifier and method for enhancing efficiency of base station power amplifier - Google Patents
Base station power amplifier and method for enhancing efficiency of base station power amplifier Download PDFInfo
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- CN101924520B CN101924520B CN2009101501069A CN200910150106A CN101924520B CN 101924520 B CN101924520 B CN 101924520B CN 2009101501069 A CN2009101501069 A CN 2009101501069A CN 200910150106 A CN200910150106 A CN 200910150106A CN 101924520 B CN101924520 B CN 101924520B
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- power amplifier
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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 relates to a base station power amplifier and a method for enhancing efficiency of the base station power amplifier. The base station power amplifier comprises a power amplifier drain voltage power supply module, a power amplifier module, a power amplifier output power acquisition module and a power amplifier drain voltage main control module, wherein the corresponding relation between power amplifier output power and drain voltage is preset in the base station power amplifier; the power amplifier output power acquisition module is used for transmitting the received maximum cell transmitting power information to the power amplifier drain voltage main control module; the power amplifier drain voltage main control module is used for controlling the voltage the voltage value of which output by the power amplifier drain voltage power supply module is equal to the drain voltage value after obtaining the drain voltage value corresponding to the received maximum cell transmitting power according to the corresponding relation between the power amplifier output power and the drain voltage. The power amplifier drain voltage power supply module is used for outputting the voltage the voltage value of which is equal to the drain voltage value to the power amplifier module under the control of the power amplifier drain voltage main control module; and the power amplifier module is used for operating under the voltage of the drain voltage value.
Description
Technical field
The present invention relates to field of mobile communication, relate in particular to the method for a kind of base station power amplifier and raising base station power efficiency of amplitude.
Background technology
At current wireless communication field, in order to improve the conveying capacity of communication data, new modulation system constantly occurs.Be accompanied by the appearance of high peak-to-average force ratio data, make original efficient further reduce with regard to the efficient of not high power amplifier (can abbreviate power amplifier as).Poor efficiency has not only increased the transmitter energy consumption, has also brought a series of problems such as the base station that causes because caloric value is big is bulky, the increase of heat dissipation design cost, unfailing performance reduction simultaneously.In the face of present fierce competitive market; Improving efficiency power amplifier has become the difficult point and the emphasis of modern Designing power amplifier; The high efficiency technology has become the focus of industry competition, and the high efficiency power amplifier technology has become one of problem that present power amplifier design is concerned about the most.
In order to improve the efficient of power amplifier, current newer technology is Doherty (Doherty) technology.The Doherty power amplifier can improve the efficient of power amplifier to a certain extent, but this kind technology has to take two power amplifiers, therefore can increase cost to a certain extent.And when carrying out low-power output, AB class carrier amplifier efficient is not high, and the amplitude that its overall efficiency improves is also general.
Another kind of more emerging technology is ET (ENVELOPE TRACKING, an envelope-tracking) technology, and it can improve the efficient of power amplifier effectively, yet the ET Technology Need carries out real-time envelope-tracking process, and it realizes too complicated.
Summary of the invention
Technical problem to be solved by this invention provides a kind of base station power amplifier and improves the method for base station power efficiency of amplitude, to overcome dynamic poor efficiency of the big output of base station power amplifier or the too complicated shortcoming of realization in the prior art.
For addressing the above problem; The present invention also provides a kind of base station power amplifier; Comprise: power amplifier drain voltage supply module and power amplifier module; Be preset with the power amplifier power output in the said base station power amplifier and leak the corresponding relation of pressing, and also comprise in this base station power amplifier: power amplifier output power acquisition module and power amplifier drain voltage main control module;
Said power amplifier output power acquisition module is used for the sub-district maximum transmit power information that receives is sent to said power amplifier drain voltage main control module;
Said power amplifier drain voltage main control module be used for according to said power amplifier power output and the corresponding relation of leak pressing obtain with the corresponding drain voltage value of the said sub-district maximum transmission power that receives after, control the voltage that said power amplifier drain voltage supply module output voltage values equals said drain voltage value;
Said power amplifier drain voltage supply module is used under the control of said power amplifier drain voltage main control module, equals the voltage of said drain voltage value to said power amplifier module output voltage values;
Said power amplifier module is used to be operated under the voltage of said drain voltage value.
Further, above-mentioned base station power amplifier also can have following characteristic:
Said sub-district maximum transmit power information is carried through the configuration messages of setting up of this sub-district.
Further, above-mentioned base station power amplifier also can have following characteristic:
Said power amplifier power output is preset in the said power amplifier module with the corresponding relation that leaks pressure.
Further, above-mentioned base station power amplifier also can have following characteristic:
Said power amplifier power output is power amplifier output power value and the table of comparisons or a kind of algorithm that leak the pressure value with leaking the corresponding relation of pressing.
Further, above-mentioned base station power amplifier also can have following characteristic:
Also be preset with the corresponding relation of drain voltage and register value in the said base station power amplifier;
Said power amplifier drain voltage main control module is used to control the voltage that said power amplifier drain voltage supply module output voltage values equals this drain voltage value and is meant: said power amplifier drain voltage main control module be used for according to the said drain voltage and the corresponding relation of register value obtain with the corresponding register value of said drain voltage value after, be this register value with the register configuration in the said power amplifier drain voltage supply module;
Said power amplifier drain voltage supply module is used under the control of power amplifier drain voltage main control module; Voltage to said power amplifier module output voltage values equals this drain voltage value is meant: said power amplifier drain voltage supply module is used for after register is configured completion above that, equals the voltage of said drain voltage value to said power amplifier module output voltage values.
Further, above-mentioned base station power amplifier also can have following characteristic:
The corresponding relation of said drain voltage and register value is preset in the said power amplifier drain voltage supply module.
Further, above-mentioned base station power amplifier also can have following characteristic:
The corresponding relation of said drain voltage and register value is the table of comparisons or a kind of algorithm of drain voltage value and register value.
For addressing the above problem, the present invention also provides a kind of method that improves the base station power efficiency of amplitude, comprising:
Said base station power amplifier is after the maximum transmit power information that gets access to this base station services sub-district; Obtain and the corresponding drain voltage value of said sub-district maximum transmission power with leaking the corresponding relation of pressing according to power amplifier power output preset on it, control then under the voltage that himself is operated in this drain voltage value.
Further, said method also can have following characteristic:
Also be preset with the corresponding relation of drain voltage and register value in the said base station power amplifier;
The control of said base station power amplifier himself is operated under the voltage of this drain voltage value and is meant: said base station power amplifier according to the said drain voltage and the corresponding relation of register value obtain with the corresponding register value of said drain voltage value after; With the register configuration in the power amplifier drain voltage supply module in the said base station power amplifier is this register value; After configuration was accomplished, said power amplifier drain voltage supply module was the voltage that said base station power amplifier output voltage value equals said drain voltage value.
Further, said method also can have following characteristic:
Said sub-district maximum transmit power information is carried through the configuration messages of setting up of this sub-district.
Compared with prior art; Obtained the dynamic high efficiency progress of big output after adopting the present invention; Reached the effect that improves efficiency power amplifier; Provided cost savings and remedied the inefficient problem of small-power output with the Doherty compared with techniques, improved the realizability of product with the ET compared with techniques.The present invention makes power amplifier be operated in efficient than higher service area to a certain extent; Improved the efficient of power amplifier effectively; And reduce the problem such as heat radiation, volume of base station system effectively, and improved system reliability, reduced the device fabrication cost.
Description of drawings
Fig. 1 is the structure chart of base station power amplifier in the embodiment of the invention;
Fig. 2 is the method flow diagram that improves the base station power efficiency of amplitude in the embodiment of the invention.
Embodiment
To combine accompanying drawing and embodiment that technical scheme of the present invention is explained in more detail below.
As shown in Figure 1, base station power amplifier according to the invention consists of the following components:
Power amplifier output power acquisition module, power amplifier drain voltage main control module, power amplifier drain voltage supply module and power amplifier module, and be preset with the power amplifier power output in this power amplifier and leak the corresponding relation of pressing.Wherein, Power amplifier output power acquisition module is used for the sub-district maximum transmit power information that receives is sent to power amplifier drain voltage main control module (wherein; The sub-district maximum transmit power information can be carried through the configuration messages of setting up of this sub-district, and this sets up information such as going back the major-minor frequency point information of portability, antenna carrier corresponding relation in the configuration messages); Power amplifier drain voltage main control module be used for according to above-mentioned power amplifier power output and the corresponding relation of leak pressing obtain with the corresponding drain voltage value of the above-mentioned sub-district maximum transmission power that receives after, control power amplifier drain voltage supply module output voltage values equals the voltage of this drain voltage value; The power amplifier drain voltage supply module is used under the control of power amplifier drain voltage main control module, equaling the voltage of this drain voltage value to the power amplifier module output voltage values; Power amplifier module is used to be operated under the voltage of above-mentioned drain voltage value.
Because drain voltage is the running parameter of power amplifier module, therefore, can power amplifier power output and the corresponding relation that leaks pressure be preset in the power amplifier module.In addition, this corresponding relation can be a power amplifier output power value and the table of comparisons that leaks the pressure value, also can be a kind of algorithm, promptly can calculate the leakage pressure value corresponding with the sub-district maximum transmit power value through this algorithm.This corresponding relation be the user according to dissimilar power amplifier characteristics, the power amplifier drain voltage that off-line is gathered and the corresponding relation of power amplifier power output.
The magnitude of voltage of power amplifier drain voltage supply module output can be controlled through disposing on it value of register.Specifically be to be converted into an analog voltage, think the power amplifier module power supply through the register value that a DAC (digital to analog converter) will write in this register.Therefore, can also preset the corresponding relation of drain voltage and register value in this base station power amplifier; The voltage that power amplifier drain voltage main control module control power amplifier drain voltage supply module output voltage values equals this drain voltage value is meant: power amplifier drain voltage main control module according to the drain voltage and the corresponding relation of register value obtain with the corresponding register value of above-mentioned drain voltage value after, be this register value with the register configuration in the power amplifier drain voltage supply module.In such cases; The power amplifier drain voltage supply module is used under the control of power amplifier drain voltage main control module; The voltage that equals this drain voltage value to the power amplifier module output voltage values is meant: the register in the power amplifier drain voltage supply module is after the power amplifier drain voltage main control module configuration, and output voltage values equals the voltage of this drain voltage value.
Because register value is the running parameter of power amplifier drain voltage supply module, therefore, can the corresponding relation of drain voltage and register value be preset in the power amplifier drain voltage supply module.In addition, this corresponding relation can be the table of comparisons of a power amplifier drain voltage value and register value, also can be a kind of algorithm, promptly can calculate the register value corresponding with the drain voltage value through this algorithm.
And the method for raising base station power efficiency of amplitude according to the invention is as shown in Figure 2, comprising:
When the sub-district is set up; The base station power amplifier is after the maximum transmit power information that gets access to this base station services sub-district; Obtain and the corresponding drain voltage value of this sub-district maximum transmission power with leaking the corresponding relation of pressing according to power amplifier power output preset on it, control then under the voltage that himself is operated in this drain voltage value.
Wherein, the sub-district maximum transmit power information can be carried through the configuration messages of setting up of this sub-district.Can also preset the corresponding relation of drain voltage and register value in this base station power amplifier.Base station power amplifier control himself is operated under the voltage of this drain voltage value and is meant: this base station power amplifier according to the drain voltage and the corresponding relation of register value obtain with the corresponding register value of above-mentioned drain voltage value after; With the register configuration in the power amplifier drain voltage supply module in this base station power amplifier is this register value; Register is through after disposing; The power amplifier drain voltage supply module just can output voltage values equals the voltage of this drain voltage value, and this base station power amplifier promptly is operated under the voltage of this drain voltage value.
In sum, because the base station usually is operated in the low-power output state, in this case, what constant power amplifier drain voltage was brought is the poor efficiency output of power amplifier.The present invention uses different power amplifier drain voltage owing to the difference according to allocating cell transmitting power size, thereby has realized the dynamic efficient output of the big output in base station.In general; Square being directly proportional of most of power amplifier output power and power amplifier drain voltage; The drain voltage that improves power amplifier can improve power amplifier 1dB compression point; Can realize that according to power amplifier power output configuration power amplifier drain voltage power amplifier always works in the saturation region, thereby realize high efficiency output.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. base station power amplifier; Comprise: power amplifier drain voltage supply module and power amplifier module; It is characterized in that; Be preset with the corresponding relation of the leakage pressure of power amplifier power output and power amplifier module in the said base station power amplifier, and also comprise in this base station power amplifier: power amplifier output power acquisition module and power amplifier drain voltage main control module;
Said power amplifier output power acquisition module is used for the sub-district maximum transmit power information that receives is sent to said power amplifier drain voltage main control module;
Said power amplifier drain voltage main control module is controlled the voltage that said power amplifier drain voltage supply module output voltage values equals said drain voltage value after being used for obtaining the drain voltage value with the said corresponding power amplifier module of sub-district maximum transmission power that receives according to said power amplifier power output and the corresponding relation of leak pressing;
Said power amplifier drain voltage supply module is used under the control of said power amplifier drain voltage main control module, equals the voltage of said drain voltage value to said power amplifier module output voltage values;
Said power amplifier module is used to be operated under the voltage of said drain voltage value.
2. base station power amplifier as claimed in claim 1 is characterized in that,
The configuration messages that said sub-district maximum transmit power information is set up through this sub-district carries.
3. base station power amplifier as claimed in claim 1 is characterized in that,
Said power amplifier power output is preset in the said power amplifier module with the corresponding relation that leaks pressure.
4. like claim 1 or 3 described base station power amplifiers, it is characterized in that,
Said power amplifier power output is power amplifier output power value and the table of comparisons or a kind of algorithm that leak the pressure value with leaking the corresponding relation of pressing.
5. according to claim 1 or claim 2 base station power amplifier is characterized in that,
Also be preset with the corresponding relation of drain voltage and register value in the said base station power amplifier;
Said power amplifier drain voltage main control module is used to control the voltage that said power amplifier drain voltage supply module output voltage values equals this drain voltage value and is meant: said power amplifier drain voltage main control module be used for according to the said drain voltage and the corresponding relation of register value obtain with the corresponding register value of said drain voltage value after, be this register value with the register configuration in the said power amplifier drain voltage supply module;
Said power amplifier drain voltage supply module is used under the control of power amplifier drain voltage main control module; The voltage that equals this drain voltage value to said power amplifier module output voltage values is meant: said power amplifier drain voltage supply module is used for after the register on the power amplifier drain voltage supply module is configured completion, equals the voltage of said drain voltage value to said power amplifier module output voltage values.
6. base station power amplifier as claimed in claim 5 is characterized in that,
The corresponding relation of said drain voltage and register value is preset in the said power amplifier drain voltage supply module.
7. like claim 5 or 6 described methods, it is characterized in that,
The corresponding relation of said drain voltage and register value is the table of comparisons or a kind of algorithm of drain voltage value and register value.
8. a method that improves the base station power efficiency of amplitude is characterized in that,
Said base station power amplifier is after the maximum transmit power information that gets access to the base station services sub-district; Obtain the drain voltage value with the corresponding power amplifier module of said sub-district maximum transmission power according to the corresponding relation of power amplifier power output preset on the base station power amplifier and the leakage pressure of power amplifier module, control then under the voltage that the base station power amplifier self is operated in this drain voltage value.
9. method as claimed in claim 8 is characterized in that,
Also be preset with the corresponding relation of drain voltage and register value in the said base station power amplifier;
Said base station power amplifier control base station power amplifier self is operated under the voltage of this drain voltage value and is meant: said base station power amplifier according to the said drain voltage and the corresponding relation of register value obtain with the corresponding register value of said drain voltage value after; With the register configuration in the power amplifier drain voltage supply module in the said base station power amplifier is this register value; After configuration was accomplished, said power amplifier drain voltage supply module was the voltage that said base station power amplifier output voltage value equals said drain voltage value.
10. method as claimed in claim 8 is characterized in that,
The configuration messages that said sub-district maximum transmit power information is set up through this sub-district carries.
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| CN2009101501069A CN101924520B (en) | 2009-06-17 | 2009-06-17 | Base station power amplifier and method for enhancing efficiency of base station power amplifier |
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| CN102685858B (en) * | 2011-03-18 | 2015-04-22 | 鼎桥通信技术有限公司 | Radio frequency unit power consumption control method and station system |
| CN102624336A (en) * | 2012-03-07 | 2012-08-01 | 深圳市福智软件技术有限公司 | Electronic device and method for increasing output power of electronic device |
| JP6410007B2 (en) * | 2013-12-16 | 2018-10-24 | 株式会社村田製作所 | Cascode amplifier |
| CN105375892B (en) * | 2014-08-29 | 2018-01-16 | 华北电力大学 | A kind of energy-efficient current amplifier |
| CN110720240B (en) * | 2017-06-12 | 2022-09-23 | 华为技术有限公司 | Method and device for reducing power consumption of PA |
| CN108366419A (en) * | 2018-01-05 | 2018-08-03 | 京信通信系统（中国）有限公司 | A kind of output power control method, controller and output power regulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Effective date of registration: 20171221 Address after: 221000 Jiangsu province Xuzhou city Jiawang District Jianping Wu Village South of Hua Jian Lu Patentee after: Xuzhou Yongjia Hydraulic Equipment Co., Ltd. Address before: 518057 Nanshan District high tech Industrial Park, Guangdong, South Road, science and technology, ZTE building, legal department Patentee before: ZTE Corporation |