CN201601845U - Multi-carrier wave power amplifier for base station - Google Patents
Multi-carrier wave power amplifier for base station Download PDFInfo
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- CN201601845U CN201601845U CN2010201164345U CN201020116434U CN201601845U CN 201601845 U CN201601845 U CN 201601845U CN 2010201164345 U CN2010201164345 U CN 2010201164345U CN 201020116434 U CN201020116434 U CN 201020116434U CN 201601845 U CN201601845 U CN 201601845U
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- power amplifier
- base station
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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 utility model provides a multi-carrier wave power amplifier for a base station, which is applied to a communication base station system. The multi-carrier wave power amplifier comprises a power amplification module, an acquisition module and a digital processing module, wherein the power amplification module is provided with an input end and an output end and used for amplifying an input signal; the acquisition module is used for acquiring a low-power signal at the output end of the power amplification module and transmitting the low-power signal taken as a sampling signal; and the digital processing module is used for calculating the phase and the range of an adjacent channel leakage signal, generating a signal having 180-degree phase difference with the adjacent channel leakage signal after receiving the sampling signal transmitted by the acquisition module, and adding the signal into the input end of the power amplification module for positive and negative signal offsetting; and because the range of the adjacent channel leakage signal at the input end of the power amplification module is greatly smaller than that of a useful signal, the adjacent channel leakage ratio of the power amplification module is greatly improved, and the efficiency is greatly improved.
Description
Technical field
The utility model relates to a kind of base station system equipment, particularly relates to a kind of base station Multi-Carrier Power Amplifier.
Background technology
In base station system, power amplifier is a very important device, and it will influence the covering quality of whole base station system.What used the base station usually is single carrier power amplifier (SCPA); when multicarrier adds the single carrier power amplifier; multicarrier mixes in power amplifier; will produce a plurality of interference signals; be called neighboring trace and leak, and this this interfering signal power is all bigger, usually at-70dBm; so big signal can be easy to be received by mobile phone, causes speech quality to descend or goes offline.
In order to improve above shortcoming, all schemes have also been proposed in the industry, for example increase a high-power correction power amplifier and digital comparison module, the problem of so bringing is make that the hardware input of equipment is too many, and the volume of power amplifier to be also very big, Heavy Weight is unfavorable for device miniaturization; And the power amplifier power output that is adopted return back to input, offsets interference signal, so the efficient of power amplifier is low especially, is usually less than 10%, and then causes the grid electricity fee cost of operator's payment too high, the wasting of resources; Moreover the side channel leakage signal of its generation preferably can only reach-35dBm, can't reach good optimization communication quality.
Thereby, how to design a kind of base station Multi-Carrier Power Amplifier, with the disadvantages of avoiding occurring in the above-mentioned prior art, become the present problem demanding prompt solution of dealer of association area.
Summary of the invention
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of base station Multi-Carrier Power Amplifier, many with hardware input in the solution prior art, the volume of power amplifier is also very big, Heavy Weight, be unfavorable for device miniaturization, operator's grid electricity fee cost height, problem such as the efficient of the wasting of resources and power amplifier is low especially.
Reach other relevant purposes for achieving the above object, the utility model provides a kind of base station Multi-Carrier Power Amplifier, in the base station system that is applied to communicate by letter, it is characterized in that: described base station comprises at least with Multi-Carrier Power Amplifier: power amplifier module, acquisition module, and digital signal processing module.Wherein, described power amplifier module has input and output, is used for input signal is amplified; Described acquisition module is electrically connected at the output of described power amplifier module, gather described power amplifier module output low-power level signal and send as sampled signal; Described digital signal processing module is in order to calculate the phase place and the amplitude of side channel leakage signal, and after receiving the sampled signal of described acquisition module transmission, produce one with the side channel leakage signal signal of phasic difference 180 degree mutually, and this signal is joined the input of described power amplifier module, carry out positive and negative signal cancellation, in the amplitude of the input side channel leakage signal of described power amplifier module much smaller than useful signal.
With in the Multi-Carrier Power Amplifier, described acquisition module is for output sampling coupling probe in base station of the present utility model, and in an execution mode, described output sampling coupling probe is the 40dB coupling.
Use in the Multi-Carrier Power Amplifier in base station of the present utility model, described sampled signal is a radiofrequency signal, promptly, described digital signal processing module is in order to convert radiofrequency signal to digital signal and to be analyzed, and according to analyzing data adjustment input signal, in an execution mode, described digital signal processing module is a digital processing unit.
As mentioned above, compared with prior art, base station of the present utility model is corrected power amplifier with Multi-Carrier Power Amplifier because remove, the volume of product is reduced, hardware cost has reduced more than 15%, the lasting assurance leaked with the side channel of Multi-Carrier Power Amplifier in described base station, because output signal is monitored always and return and be fed to input, so, not only efficient is enhanced about more than once, the power consumption of power amplifier obviously reduces, and saves the operation electricity charge and electric network reconstruction cost, and the utility model has effectively overcome various shortcoming of the prior art.
Description of drawings
Fig. 1 is shown as base station of the present utility model Multi-Carrier Power Amplifier principle schematic.
Embodiment
Below by specific instantiation execution mode of the present utility model is described, those skilled in the art can understand other advantages of the present utility model and effect easily by the content that this specification disclosed.The utility model can also be implemented or be used by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change under the spirit of the present utility model not deviating from.
See also Fig. 1, Fig. 1 is shown as base station of the present utility model Multi-Carrier Power Amplifier principle schematic; Need to prove, the diagram that is provided in the present embodiment only illustrates basic conception of the present utility model in a schematic way, satisfy only show in graphic with the utility model in relevant assembly but not component count, shape and size drafting when implementing according to reality, kenel, quantity and the ratio of each assembly can be a kind of random change during its actual enforcement, and its assembly layout kenel also may be more complicated.
As shown in the figure, the utility model provides a kind of base station Multi-Carrier Power Amplifier, and in the base station system that is applied to communicate by letter, described base station comprises at least with Multi-Carrier Power Amplifier: power amplifier module 1, acquisition module 2, digital signal processing module 3.
Described power amplifier module 1 has input 11 and output 12, is used for input signal is amplified, and then guarantees the high-gain amplification, meets the requirements of power output.
Described acquisition module 2 is electrically connected at the output 12 of described power amplifier module 1, gather described power amplifier module 1 output 12 low-power level signal and send as sampled signal; In present embodiment, described acquisition module 2 is for output sampling coupling probe, and in an execution mode, described output sampling coupling probe is the 40dB coupling.
Described digital signal processing module 3 is in order to calculate the phase place and the amplitude of side channel leakage signal, and after receiving the sampled signal of described acquisition module 2 transmissions, produce one with the side channel leakage signal signal of phasic difference 180 degree mutually, and this signal is joined the input 11 of described power amplifier module 1, carry out positive and negative signal cancellation, in the amplitude of the input 11 side channel leakage signals of described power amplifier module 1 much smaller than useful signal.
For further highlighting effect of the present utility model, principle of the present utility model: at the output 12 sampling low-power level signals of power amplifier module 1, with the sampling signal after digital processing, calculate the phase place and the amplitude of side channel leakage signal (interference signal just), digital signal processing module 3 is made corresponding adjustment according to sampled signal, produce one with the side channel leakage signal signal of phasic difference 180 degree mutually, and this signal is joined the input 11 of power amplifier module 1, because the characteristic of vector, phase phasic difference 180 degree can produce positive and negative signal cancellation, the amplitude of the input 11 side channel leakage signals of power amplifier module 1 be far smaller than useful signal (greatly about-40dBc), even the side channel leakage signal is through amplifying, power amplifier module 1 differs at least-55dBc in the power and the main signal of output 12, the ACLR of power amplifier is improved greatly, and efficient is carried greatly.
In sum, base station of the present utility model is corrected power amplifier with Multi-Carrier Power Amplifier because remove, the volume of product is reduced, hardware cost has reduced more than 15%, the lasting assurance leaked with the side channel of Multi-Carrier Power Amplifier in described base station, because output signal is monitored always and return and be fed to input, so, not only efficient is enhanced about more than once, the power consumption of power amplifier obviously reduces, and saves the operation electricity charge and electric network reconstruction cost, so, compared with prior art, the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
The foregoing description is illustrative principle of the present utility model and effect thereof only, but not is used to limit the utility model.Any personage who has the knack of this technology all can be under spirit of the present utility model and category, and the foregoing description is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of being finished under spirit that the utility model discloses and the technological thought, must be contained by claim of the present utility model.
Claims (6)
1. base station Multi-Carrier Power Amplifier in the base station system that is applied to communicate by letter, is characterized in that:
Power amplifier module has input and output, is used for input signal is amplified;
Acquisition module is electrically connected at the output of described power amplifier module, gather described power amplifier module output low-power level signal and send as sampled signal; And
Digital signal processing module, in order to calculate the phase place and the amplitude of side channel leakage signal, and after receiving the sampled signal of described acquisition module transmission, produce one with the side channel leakage signal signal of phasic difference 180 degree mutually, and this signal is joined the input of described power amplifier module, carry out positive and negative signal cancellation, in the amplitude of the input side channel leakage signal of described power amplifier module much smaller than useful signal.
2. base station according to claim 1 Multi-Carrier Power Amplifier is characterized in that: described acquisition module is output sampling coupling probe.
3. base station according to claim 2 Multi-Carrier Power Amplifier is characterized in that: described output sampling coupling probe is the 40dB coupling.
4. base station according to claim 1 Multi-Carrier Power Amplifier is characterized in that: described sampled signal is a radiofrequency signal.
5. base station according to claim 4 Multi-Carrier Power Amplifier is characterized in that: described digital signal processing module is a digital processing unit.
6. base station according to claim 5 Multi-Carrier Power Amplifier is characterized in that: described digital processing unit is also analyzed in order to radiofrequency signal is converted to digital signal, and adjusts input signal according to analyzing data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201164345U CN201601845U (en) | 2010-02-23 | 2010-02-23 | Multi-carrier wave power amplifier for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201164345U CN201601845U (en) | 2010-02-23 | 2010-02-23 | Multi-carrier wave power amplifier for base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201601845U true CN201601845U (en) | 2010-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201164345U Expired - Lifetime CN201601845U (en) | 2010-02-23 | 2010-02-23 | Multi-carrier wave power amplifier for base station |
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| Country | Link |
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| CN (1) | CN201601845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788500A (en) * | 2017-01-11 | 2017-05-31 | 北京小米移动软件有限公司 | A kind of terminal |
| CN112234947A (en) * | 2020-09-22 | 2021-01-15 | 广州海格通信集团股份有限公司 | Power amplifier device and system of MOS technology |
-
2010
- 2010-02-23 CN CN2010201164345U patent/CN201601845U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788500A (en) * | 2017-01-11 | 2017-05-31 | 北京小米移动软件有限公司 | A kind of terminal |
| CN106788500B (en) * | 2017-01-11 | 2019-04-12 | 北京小米移动软件有限公司 | A kind of terminal |
| CN112234947A (en) * | 2020-09-22 | 2021-01-15 | 广州海格通信集团股份有限公司 | Power amplifier device and system of MOS technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHEN YONGCHANG Free format text: FORMER OWNER: HEJI TELECOMMUNICATIONS TECHNOLOGY (SHANGHAI) CO., LTD. Effective date: 20130605 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200120 PUDONG NEW AREA, SHANGHAI TO: TAIWAN, CHINA |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130605 Address after: Taipei City, Taiwan, China Patentee after: Chen Yongchang Address before: 200120, room 1831, 603-11 Jing Jing Road, Pudong New Area, Shanghai Patentee before: HEJI International Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: HEJI LIANXIN TELECOMMUNICATIONS TECHNOLOGY (BEIJIN Free format text: FORMER OWNER: CHEN YONGCHANG Effective date: 20130718 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: TAIWAN, CHINA TO: 100037 XICHENG, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130718 Address after: 100037, B2208, room 2, No. 2209, Wai Wai Street, Xicheng District, Beijing Patentee after: Heji Lianxin Telecommunications Technology (Beijing) Co., Ltd. Address before: Taipei City, Taiwan, China Patentee before: Chen Yongchang |
|
| DD01 | Delivery of document by public notice |
Addressee: Heji Lianxin Telecommunications Technology (Beijing) Co., Ltd. Document name: Notification to Pay the Fees |
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100037, B2208, room 2, No. 2209, Wai Wai Street, Xicheng District, Beijing Patentee after: The new federal Telecommunications Technology (Beijing) Co., Ltd. Address before: 100037, B2208, room 2, No. 2209, Wai Wai Street, Xicheng District, Beijing Patentee before: Heji Lianxin Telecommunications Technology (Beijing) Co., Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: Yao Yingjie Document name: Notification of Passing Examination on Formalities |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |