CN114189260B - Power amplifier for pRRU and pRRU power amplification integrated machine - Google Patents
Power amplifier for pRRU and pRRU power amplification integrated machine Download PDFInfo
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- CN114189260B CN114189260B CN202111250710.6A CN202111250710A CN114189260B CN 114189260 B CN114189260 B CN 114189260B CN 202111250710 A CN202111250710 A CN 202111250710A CN 114189260 B CN114189260 B CN 114189260B
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- 238000003199 nucleic acid amplification method Methods 0.000 title claims abstract description 33
- 238000004891 communication Methods 0.000 claims description 27
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/213—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only in integrated circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention provides a power amplifier for pRRU and a pRRU power amplification integrated machine, wherein the power amplifier for pRRU comprises a first MIMO channel and a second MIMO channel; the first MIMO channel includes two first combiners, and a first uplink and a first downlink connected in parallel between the two first combiners; the second MIMO channel includes two second combiners, a second uplink, a second downlink, a third uplink, and a third downlink connected in parallel between the two second combiners; each first MIMO channel and each second MIMO channel also comprises two time slot control switches to control the switching of uplink and downlink signals. The power amplifier supports the MIMO technology, can perform power amplification upgrading on the traditional pRRU, enhances the coverage capacity of products, and can be widely applied to indoor and outdoor coverage of large and medium scenes.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a power amplifier for pRRU and an pRRU power amplification integrated machine.
Background
Traditional small remote radio unit (pRRU) micro base station products are positioned in indoor signal fine coverage, and have large capacity, small power and limited coverage.
Disclosure of Invention
In order to solve the defects in the prior art, the main purpose of the invention is to provide a power amplifier for pRRU and a pRRU power amplification integrated machine, wherein the power amplifier supports the MIMO technology, can carry out power amplification upgrading on traditional pRRU, enhances the product coverage capability, can be widely applied to indoor and outdoor coverage of large and medium scenes, can solve the signal coverage in large buildings (groups), urban villages, residential communities and office buildings, and can also be used for coverage of villages, tourist areas, highways and the like.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a power amplifier for pRRU.
The power amplifier for pRRU comprises a plurality of first MIMO channels and a plurality of second MIMO channels; wherein:
each path of the first MIMO channel comprises two first combiners, and a first uplink and a first downlink which are connected between the two first combiners in parallel;
each path of the second MIMO channel comprises two second combiners, and a second uplink, a second downlink, a third uplink and a third downlink which are connected in parallel between the two second combiners;
each path of the first MIMO channel and each path of the second MIMO channel further comprises two time slot control switches, and uplink and downlink signal switching of the first uplink and the first downlink and uplink and downlink signal switching of the second uplink and downlink are respectively controlled through the two time slot control switches.
Further, the first uplink includes a first uplink low noise amplifier for transmitting a 5G signal, and an input end and an output end of the first uplink low noise amplifier are connected to the two first combiners through the two time slot control switches respectively.
Further, the first downlink includes a first downlink high-linearity power amplifier for transmitting a 5G signal, and an input end and an output end of the first downlink high-linearity power amplifier are connected to the two first combiners through the two time slot control switches, respectively.
Further, the second uplink includes a second uplink low noise amplifier for transmitting the 5G signal, and an input end and an output end of the second uplink low noise amplifier are connected to the two second combiners through the two time slot control switches respectively.
Further, the second downlink includes a second downlink high linearity power amplifier for transmitting 5G signals, and an input terminal and an output terminal of the second downlink high linearity power amplifier are connected to the two second combiners through the two time slot control switches, respectively.
Further, the third uplink includes a third uplink low noise amplifier for transmitting the 4G signal, and an input end and an output end of the third uplink low noise amplifier are respectively connected with the two second combiners.
Further, the third downlink includes a third downlink high linearity power amplifier for transmitting a 4G signal, and an input end and an output end of the third downlink high linearity power amplifier are respectively connected to the two second combiners.
Further, the first combiner and the second combiner each include a filter.
Further, the system also comprises a plurality of first communication inlets, a plurality of first communication outlets, a plurality of second communication inlets and a plurality of second communication outlets;
two ends of each path of the first MIMO channel are respectively connected with the first communication access port and the first communication access port;
and two ends of each path of the second MIMO channel are respectively connected with the second communication access port and the second communication access port.
In order to achieve the above object, according to a second aspect of the present invention, there is provided a pRRU power amplification all-in-one machine.
This pRRU power amplification all-in-one includes small-size remote radio unit pRRU and foretell power amplifier for pRRU, wherein:
each path of the first MIMO channel and each path of the second MIMO channel are connected with the pRRU through coaxial cables respectively. pRRU and power amplifier are placed in a sealed waterproof box with a radiator to support indoor and outdoor installation applications.
With the acceleration of 5G business, the three large operator group levels are all in the problem of reducing 4G business investment and 5G investment shortage, and a plurality of blind areas still exist in the 4G of the ground city level to be blind-supplemented or 4G capacity enhancement is required. Thus, the contradiction between the idling of pRRU digital equipment and the inability to meet the requirements of coverage and blind supplement of a 4G/5G network occurs. The method and the device help operators to realize pRRU digital asset reutilization.
The invention has the following effective effects:
1. the power amplifier applied to pRRU can carry out innovation, upgrading and reconstruction on pRRU products, and power amplification and upgrading of pRRU products are carried out until single channels support 10W/20W, so that the power amplifier has the covering capacity aligned with common RRU products, and can be used in more indoor and outdoor scenes. The pRRU type product transformation and upgrading can be used for solving the indoor and outdoor coverage problems of large and medium scenes and improving the coverage breadth and depth of a network, and becomes an important means for improving the network quality and the service quality.
2. The high-power integrated pRRU system after power amplification can play a great role in optimizing and finely covering the market of operators 4G and 5G networks.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 is a block diagram of a power amplifier for pRRU provided in an embodiment of the present invention;
fig. 2 is an application networking diagram of a pRRU power amplification all-in-one machine provided in an embodiment of the present invention.
In the figure:
1. a first combiner; 2. a second combiner; 3. a time slot control switch; 4. a first uplink low-noise amplifier; 5. a first downlink high linearity power amplifier; 6. the second uplink low noise amplification; 7. a second downstream high linearity power amplifier; 8. third uplink low-noise amplification; 9. a third downlink high linearity power amplifier; 11. an aggregation unit EU; 12. pRRU power amplification integrated machine; 13. an antenna.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
According to an embodiment of the present invention, there is provided a power amplifier for pRRU.
The power amplifier for pRRU adopts high-linearity power amplification (including filtering) for amplifying power in the downlink, adopts low-noise amplification for line gain compensation in the uplink, and simultaneously adjusts an uplink gain compensation value according to uplink user load (subcarrier power) to control uplink noise floor. Meanwhile, the power balance of each channel is controlled to ensure 4G and 5G MIMO, and the 4G and 5G power amplification are relatively independent, so that 4G power amplification, 5G power amplification and 4G+5G power amplification can be carried out according to actual needs.
As shown in fig. 1, a power amplifier for pRRU in the present invention includes a plurality of first MIMO channels, wherein each first MIMO channel includes two first combiners 1 and a first uplink and a first downlink connected in parallel between the two first combiners 1; each path of the first MIMO channel further comprises two time slot control switches 3, and uplink and downlink signal switching of the first uplink and the first downlink is controlled through the two time slot control switches 3 respectively; the power amplifier for pRRU further includes a plurality of second MIMO channels, where each second MIMO channel includes two second combiners 2 and a second uplink, a second downlink, a third uplink, and a third downlink connected in parallel between the two second combiners 2; each second MIMO channel further includes two time slot control switches 3, and uplink and downlink signal switching of the second uplink and the second downlink are controlled by the two time slot control switches 3 respectively.
In the above embodiment, the power amplifier applied to the pRRU may perform innovative upgrade and modification on the pRRU product by setting a plurality of first MIMO channels and a plurality of second MIMO channels, and upgrade the power of the power amplifier to a single channel to support 10W/20W, so that the coverage capability of the power amplifier is aligned with the common RRU product, and the power amplifier can be used in more indoor and outdoor scenes. The pRRU type product transformation and upgrading can be used for solving the indoor and outdoor coverage problems of large and medium scenes and improving the coverage breadth and depth of a network, and becomes an important means for improving the network quality and the service quality.
As shown in fig. 1, the first uplink includes a first uplink low noise amplifier 4 for transmitting the 5G signal, the input end and the output end of the first uplink low noise amplifier 4 are respectively connected with two first combiners 1, and uplink and downlink switching of the 5G signal is controlled by a time slot control switch 3.
The first downlink includes a first downlink high-linearity power amplifier 5 for transmitting the 5G signal, and an input terminal and an output terminal of the first downlink high-linearity power amplifier 5 are connected to the two first combiners 1, respectively, and control uplink and downlink switching of the 5G signal through the slot control switch 3.
In the embodiment of the invention, the first uplink and the first downlink are used for transmitting the 5G signal, and the uplink and the downlink of the 5G signal are controlled by the two time slot control switches 3, so that the power amplification of the 5G signal can be performed according to actual needs.
As shown in fig. 1, the second uplink includes a second uplink low noise amplifier 6 for transmitting the 5G signal, the input end and the output end of the second uplink low noise amplifier 6 are respectively connected to two second combiners 2, and uplink and downlink switching of the 5G signal is controlled by the slot control switch 3.
The second downlink includes a second downlink high linear power amplifier 7 for transmitting the 5G signal, and an input terminal and an output terminal of the second downlink high linear power amplifier 7 are connected to the two second combiners 2, respectively, and control uplink and downlink switching of the 5G signal through the slot control switch 3.
As shown in fig. 1, the third uplink includes a third uplink low noise amplifier 8 for transmitting the 4G signal, and an input end and an output end of the third uplink low noise amplifier 8 are respectively connected to the two second combiners 2.
The third downlink comprises a third downlink high linearity power amplifier 9 for transmitting 4G signals, the input and output of the third downlink high linearity power amplifier 9 being connected to two second combiners 2, respectively.
In the embodiment of the present invention, the second uplink and the second downlink are also used for transmitting the 5G signal, and the two timeslot control switches 3 control the uplink and downlink switching of the 5G signal, so that the power amplification of the 5G signal can be performed according to the actual needs. The third uplink and the third downlink are used for transmission of the 4G signal, and since the second uplink, the second downlink, the third uplink and the third downlink are connected in parallel, the third uplink and the third downlink can be used only for power amplification of the 4G signal when the slot control switch 3 is turned off, and thus power amplification of the 4G signal and power amplification of the 4g+5g signal can be performed as needed.
It should be noted that, under the same power, the frequencies of the first downlink high-linearity power amplifier 5 and the second downlink high-linearity power amplifier 7 are higher than those of the third downlink high-linearity power amplifier 9, and the related technical difficulties are multiplied; the modulation modes of the first downlink high linear power amplifier 5 and the second downlink high linear power amplifier 7 are different from those of the third downlink high linear power amplifier 9, the third downlink high linear power amplifier 9 is 64QAM (EVM < 6), and the first downlink high linear power amplifier 5 and the second downlink high linear power amplifier 7 are 256QAM (EVM < 3.5); and the peak-to-average ratio of the first and second down-going high-linearity power amplifiers 5 and 7 is higher, and the average is 2-3 dB greater than that of the third down-going high-linearity power amplifier 9.
In an embodiment of the present invention, the first combiner 1 and the second combiner 2 each include a filter (not shown).
In an embodiment of the present invention, the power amplifier for pRRU further includes a plurality of first communication interfaces, a plurality of second communication interfaces, and a plurality of second communication interfaces; two ends of each path of first MIMO channel are respectively connected with a first communication access port and a first communication access port; two ends of each path of second MIMO channel are respectively connected with a second communication access port and a second communication access port. Wherein the first communication access port and the second communication access port are respectively connected with pRRU; the first communication outlet and the second communication outlet may be connected to the antenna, respectively.
According to an embodiment of the present invention, there is also provided a pRRU power amplification all-in-one machine.
As shown in fig. 1, the pRRU power amplification integrated machine includes a small-sized remote radio unit pRRU and the above power amplifier for pRRU, where: each first MIMO channel and each second MIMO channel are connected through a coaxial cable connected pRRU respectively so as to amplify power of the traditional pRRU. pRRU and power amplifier are placed in a sealed waterproof box with a radiator to support indoor and outdoor installation applications.
In the invention, pRRU products are subjected to power amplification and upgrading, so that the covering capacity of the products is enhanced, and the upgraded products can be widely applied to indoor and outdoor covering of large and medium scenes.
Fig. 2 shows an application networking diagram of the pRRU power amplification integrated machine, wherein an input end of the pRRU power amplification integrated machine 12 is connected with a convergence unit EU11 through a CAT6A network cable or an optical fiber, and an output end of the pRRU power amplification integrated machine 12 is connected with an antenna 13 through a cable.
It should be noted that the term "comprising" in the description of the invention and in the claims, as well as any variants thereof, is intended to cover a non-exclusive inclusion, for example, comprising a series of elements not necessarily limited to those elements explicitly listed, but may include other elements not explicitly listed or inherent to elements.
In the present invention, the terms "upper", "lower", "bottom", "top", "left", "right", "inner", "outer", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present invention and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present invention will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, references to "first," "second," etc. in this disclosure are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A power amplifier for pRRU, comprising a plurality of first MIMO channels and a plurality of second MIMO channels; wherein:
each path of the first MIMO channel comprises two first combiners, and a first uplink and a first downlink which are connected between the two first combiners in parallel; the first uplink comprises a first uplink low-noise amplifier for transmitting 5G signals, and an input end and an output end of the first uplink low-noise amplifier are respectively connected with the two first combiners through the two time slot control switches; the first downlink comprises a first downlink high-linearity power amplifier for transmitting 5G signals, and an input end and an output end of the first downlink high-linearity power amplifier are respectively connected with the two first combiners through the two time slot control switches;
each path of the second MIMO channel comprises two second combiners, and a second uplink, a second downlink, a third uplink and a third downlink which are connected in parallel between the two second combiners; the second uplink comprises a second uplink low-noise amplifier for transmitting 5G signals, and an input end and an output end of the second uplink low-noise amplifier are respectively connected with the two second combiners through the two time slot control switches; the second downlink comprises a second downlink high-linearity power amplifier for transmitting 5G signals, and the input end and the output end of the second downlink high-linearity power amplifier are respectively connected with the two second combiners through the two time slot control switches; the third uplink comprises a third uplink low-noise amplifier for transmitting the 4G signal, and an input end and an output end of the third uplink low-noise amplifier are respectively connected with the two second combiners; the third downlink comprises a third downlink high-linearity power amplifier for transmitting a 4G signal, and the input end and the output end of the third downlink high-linearity power amplifier are respectively connected with the two second combiners;
each path of the first MIMO channel and each path of the second MIMO channel further comprises two time slot control switches, and uplink and downlink signal switching of the first uplink and the first downlink and uplink and downlink signal switching of the second uplink and downlink are respectively controlled through the two time slot control switches.
2. The power amplifier for pRRU of claim 1, wherein the first combiner and the second combiner each comprise a filter.
3. The power amplifier for pRRU of claim 1, further comprising a plurality of first communication interfaces, a plurality of second communication interfaces, and a plurality of second communication interfaces;
two ends of each path of the first MIMO channel are respectively connected with the first communication access port and the first communication access port;
and two ends of each path of the second MIMO channel are respectively connected with the second communication access port and the second communication access port.
4. A pRRU power amplification all-in-one machine comprising a small-sized remote radio unit pRRU and the power amplifier for pRRU as set forth in any one of claims 1-3, wherein:
each path of the first MIMO channel and each path of the second MIMO channel are respectively connected with the pRRU through coaxial cables.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111250710.6A CN114189260B (en) | 2021-10-26 | 2021-10-26 | Power amplifier for pRRU and pRRU power amplification integrated machine |
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| CN202111250710.6A CN114189260B (en) | 2021-10-26 | 2021-10-26 | Power amplifier for pRRU and pRRU power amplification integrated machine |
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| CN114189260A CN114189260A (en) | 2022-03-15 |
| CN114189260B true CN114189260B (en) | 2023-08-08 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070005883A (en) * | 2005-07-05 | 2007-01-10 | 한국전자통신연구원 | Method and apparatus for transmitting by using multiple antenna transmission techniques combined beam forming, mimo and diversity |
| CN101304279A (en) * | 2008-06-30 | 2008-11-12 | 京信通信系统（中国）有限公司 | Radio frequency extension apparatus and base station system |
| CN201260163Y (en) * | 2008-06-30 | 2009-06-17 | 京信通信系统（中国）有限公司 | Radio frequency extension apparatus and base station system |
| CN105812015A (en) * | 2015-01-14 | 2016-07-27 | 亚德诺半导体集团 | Highly integrated radio frequency transceiver |
| WO2017063497A1 (en) * | 2015-10-15 | 2017-04-20 | 华为技术有限公司 | Signal channel correction compensation method, apparatus and system |
| CN206196066U (en) * | 2016-09-14 | 2017-05-24 | 京信通信系统（中国）有限公司 | Signal transmission system of remote radio head module and applied this module |
| CN109547105A (en) * | 2017-09-22 | 2019-03-29 | 罗森伯格（上海）通信技术有限公司 | A kind of communication equipment for realizing MIMO transmission |
| CN211830769U (en) * | 2020-05-18 | 2020-10-30 | 厦门南邮信达通信科技有限公司 | 5G frequency conversion light distribution system |
| WO2021129098A1 (en) * | 2019-12-27 | 2021-07-01 | 中兴通讯股份有限公司 | Base station, and multi-antenna transceiver and control method therefor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1225849C (en) * | 2003-07-18 | 2005-11-02 | 大唐移动通信设备有限公司 | Method and device for proceeding bidirectional synchronous translate against radio signal |
| US9413397B2 (en) * | 2013-03-15 | 2016-08-09 | Optical Cable Corporation | Antenna and amplifier status monitoring system |
-
2021
- 2021-10-26 CN CN202111250710.6A patent/CN114189260B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070005883A (en) * | 2005-07-05 | 2007-01-10 | 한국전자통신연구원 | Method and apparatus for transmitting by using multiple antenna transmission techniques combined beam forming, mimo and diversity |
| CN101304279A (en) * | 2008-06-30 | 2008-11-12 | 京信通信系统（中国）有限公司 | Radio frequency extension apparatus and base station system |
| CN201260163Y (en) * | 2008-06-30 | 2009-06-17 | 京信通信系统（中国）有限公司 | Radio frequency extension apparatus and base station system |
| CN105812015A (en) * | 2015-01-14 | 2016-07-27 | 亚德诺半导体集团 | Highly integrated radio frequency transceiver |
| WO2017063497A1 (en) * | 2015-10-15 | 2017-04-20 | 华为技术有限公司 | Signal channel correction compensation method, apparatus and system |
| CN206196066U (en) * | 2016-09-14 | 2017-05-24 | 京信通信系统（中国）有限公司 | Signal transmission system of remote radio head module and applied this module |
| CN109547105A (en) * | 2017-09-22 | 2019-03-29 | 罗森伯格（上海）通信技术有限公司 | A kind of communication equipment for realizing MIMO transmission |
| WO2021129098A1 (en) * | 2019-12-27 | 2021-07-01 | 中兴通讯股份有限公司 | Base station, and multi-antenna transceiver and control method therefor |
| CN211830769U (en) * | 2020-05-18 | 2020-10-30 | 厦门南邮信达通信科技有限公司 | 5G frequency conversion light distribution system |
Non-Patent Citations (1)
| Title |
|---|
| 室内无线网络5G演进分析;陈思翰;;中国新通信(09);23-25 * |
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