CN109067443A - A kind of extensive MIMO communication system of miniaturization 5G - Google Patents
A kind of extensive MIMO communication system of miniaturization 5G Download PDFInfo
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- CN109067443A CN109067443A CN201811042618.9A CN201811042618A CN109067443A CN 109067443 A CN109067443 A CN 109067443A CN 201811042618 A CN201811042618 A CN 201811042618A CN 109067443 A CN109067443 A CN 109067443A
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- miniaturization
- receive unit
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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
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- 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
- H04B1/401—Circuits for selecting or indicating operating mode
-
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
Abstract
本发明公开了一种小型化5G大规模MIMO通信系统，包括独立设计的天线阵面、射频前端收发单元、基带数字处理阵面和频率合成器；频率合成器产生系统所需的频率源，供射频前端收发单元使用；射频前端收发单元连接天线阵面；基带数字处理阵面实现对射频前端收发单元的控制。本发明有效实现了5G大规模MIMO通信系统的小型化。
The invention discloses a miniaturized 5G massive MIMO communication system, which includes an independently designed antenna array, a radio frequency front-end transceiver unit, a baseband digital processing array, and a frequency synthesizer; the frequency synthesizer generates the frequency source required by the system for supply The RF front-end transceiver unit is used; the RF front-end transceiver unit is connected to the antenna array; the baseband digital processing array realizes the control of the RF front-end transceiver unit. The invention effectively realizes the miniaturization of the 5G massive MIMO communication system.
Description
Technical field
The present invention relates to the extensive fields MIMO 5G, more particularly to the extensive MIMO communication system of 5G.
Background technique
5th third-generation mobile communication (Fifth Generation Mobile Communication Systems, 5G) is face
To the year two thousand twenty and the next generation mobile communication system of future mobile communications.Compared to 4G, the message transmission rate and frequency spectrum resource of 5G
Utilization rate can promote that an order of magnitude is even higher, and wireless coverage ability, propagation delay time, the safety of system etc. also can
Significant to improve, user experience is more preferable.Currently, 5G has become the research hotspot of whole world mobile communication field, both at home and abroad
Each research institution is studied and is visited to projects such as the system architecture of 5G mobile communication system, technical indicator and candidate frequency ranges
It begs for.2012, European Union formally started METIS (Mobile and wireless communications Enablers for
2020Information Society) project, carry out the research of 5G communication solution.In addition to this, European Union also starts 5G
PPP (The 5G Infrastructure Public Private Partnership) project sets for next generation communication basis
It applies and solution, framework, technology and standard is provided, it is intended to accelerate 5G process, establish leading position of the European Union in 5G research and development.In
State has also set up IMT-2020 propulsion group in 2013, to promote the development of 5G technical standard.Currently, the development of 5G comes into
Critical stage, 3GPP in 2016 starts 5G standardization effort, and will start 5G commercialization in the year two thousand twenty.
In November, 2015, World Radiocommunication Conference (World Radiocommunication in 2015
Conference 2015, WRC-15) it is held in Geneva.Review can be gone up and revised " radio regulation(s) ", i.e. radio-frequency spectrum
The international convention used with satellite orbit resource, and increase frequency spectrum newly for ternational Mobile Telecommunications (IMT) and be discussed.C-band
3400~3600MH frequency range becomes the consistent IMT frequency range in the whole world, is the emphasis frequency range of IMT future development, while Countries are new
Increase 3300~3400MHz frequency range and 3600~3800MHz frequency range.Conference sets up the WRC-19 conference about IMT simultaneously
Subject under discussion, the band segment in 24.25~86GHz is used for IMT system by research, to meet next generation mobile communication system high-speed
Large capacity business demand, and suggest that the frequency ranges such as 37~43.5GHz are studied in 24.25~27.5GHz.In June, 2017, work
Letter portion, which has issued, " to be disclosed to solicit and uses 3300~3600MHz and 4800 to the 5th generation ternational Mobile Telecommunications system (IMT-2020)
The opinion of~5000MHz frequency range ".Intend disposing 5G in two frequency ranges of 3300~3600MHz and 4800~5000MHz, wherein
3300~3400MHz frequency range is limited to indoor use.
The professional ability for promoting 5G, meets the relevant criterion of ITU, 5G must in terms of have it is new prominent
It is broken.In numerous 5G candidate technologies, extensive MIMO (Massive MIMO) technology has become the 5G key technology reached common understanding
One of.
Multi-antenna technology can greatly improve spectrum efficiency, power system capacity and transmission reliability, and in 3G, 4G system
Application has been arrived, such as has been up to 4 antennas in LTE system, and has been up to 8 antennas in LTE-A.According to information theory public affairs
Formula, spectrum efficiency and reliability increase significantly with increasing for antenna amount.At extensive MIMO (Massive MIMO)
In, base station is generally configured with tens even several hundred aerial arrays, to service multiple users simultaneously on the same time-frequency.
Extensive MIMO technology has the advantage that
1) extensive MIMO can significantly increase spatial resolution, and depth excavated space dimension resource keeps multiple users same
When and base station communication, thus using multiaerial system without increase base station density and bandwidth under the premise of greatly improve frequency spectrum imitate
Rate and power system capacity；
2) extensive MIMO is concentrated on wave beam in narrow range by Beam synthesis, increases the orientation of wave beam
Property, interference can be significantly reduced；
3) extensive MIMO reduces single pass transmission power, and then improve power efficiency by multiaerial system；
4) by the way that antenna amount is significantly increased so that interfere with each other dropped to influence of noise it is very low.
However, often volume is larger for the extensive MIMO communication system of 5G in the prior art.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of extensive MIMO communication systems of the 5G of miniaturization.
Technical solution: to reach this purpose, the invention adopts the following technical scheme:
The extensive MIMO communication system of miniaturization 5G of the present invention, before antenna array, radio frequency including independent design
Hold Transmit-Receive Unit, base-band digital processing front and frequency synthesizer；Frequency source needed for frequency synthesizer generation system, for radio frequency
Front end Transmit-Receive Unit uses；Radio-frequency front-end Transmit-Receive Unit connects antenna array；Base-band digital handles front and realizes to radio-frequency front-end
The control of Transmit-Receive Unit.
Further, the radio-frequency front-end Transmit-Receive Unit includes the radio frequency subelement in 16 piece of 4 channel, and each radio frequency subelement is equal
Including RF transceiver, clock processing unit and power module.
Further, the base-band digital processing front includes FPGA, ARM, power module and clock distribution block, by radio frequency
Transmit-Receive Unit received digital baseband signal in front end is transferred to FPGA by Base-Band Processing.
Further, frequency source needed for the frequency synthesizer generation system, and frequency source is divided into 64 tunnels with splitter,
It is used for radio-frequency front-end Transmit-Receive Unit.
Further, the RF transceiver includes receiving channel and transmission channel, and receiving channel and transmission channel pass through
RF switch is connect with antenna array, and receiving channel includes sequentially connected low-noise amplifier, bandpass filter, radio frequency amplification
Device, numerical-control attenuator and balun, transmission channel include that sequentially connected balun, radio frequency amplifier, bandpass filter and power are put
Big device.
The utility model has the advantages that the invention discloses a kind of extensive MIMO communication systems of miniaturization 5G, and compared with prior art, tool
Have it is following the utility model has the advantages that
1) this invention simplifies the structure of communication system, production cost is reduced, is conducive to be mass produced, reduces product
Cost；
2) present invention employs the design schemes of sub-module formula, are convenient for after services of product.
Detailed description of the invention
Fig. 1 is the schematic diagram of system in the specific embodiment of the invention；
Fig. 2 is the block diagram of radio frequency subelement in the specific embodiment of the invention；
Fig. 3 is the schematic diagram of RF transceiver in the specific embodiment of the invention.
Specific embodiment
Technical solution of the present invention is further introduced With reference to embodiment.
Present embodiment discloses a kind of extensive MIMO communication system of miniaturization 5G, as shown in Figure 1, including independent
64 channel antenna array, radio-frequency front-end Transmit-Receive Unit, base-band digital processing front and the frequency synthesizer of design；Frequency synthesizer
Frequency source needed for generation system is used for radio-frequency front-end Transmit-Receive Unit；Radio-frequency front-end Transmit-Receive Unit connects antenna array；Base band
Digital processing front realizes the control to radio-frequency front-end Transmit-Receive Unit.
Radio-frequency front-end Transmit-Receive Unit includes the radio frequency subelement in 16 piece of 4 channel, and each radio frequency subelement includes that radio frequency is received
Sender, clock processing unit and power module.Radio frequency subelement is as shown in Figure 2.
Base-band digital processing front includes FPGA, ARM, power module and clock distribution block, is realized to RF signal receiving and s ending
Some chips of machine are controlled, while the digital baseband signal that RF transceiver generates is transformed into high speed optical port, are passed through
Optical cable is by the base band signal transmission in each channel to corresponding FPGA.
Frequency source needed for frequency synthesizer generation system, and frequency source is divided into 64 tunnels with splitter, for radio-frequency front-end
Transmit-Receive Unit uses.
As shown in figure 3, RF transceiver includes receiving channel and transmission channel, receiving channel and transmission channel are by penetrating
Frequency switch is connect with antenna array, and receiving channel includes sequentially connected low-noise amplifier, bandpass filter, radio frequency amplification
Device, numerical-control attenuator and balun, transmission channel include that sequentially connected balun, radio frequency amplifier, bandpass filter and power are put
Big device.
It receives and the radio frequency link of transmitting designs the 5G application band for meeting 3.5GHz, 100MHz pass band width.Realization connects
The gain of receipts machine front end is about 28.5dB, and gain flatness is 0.73dB in 100MHz bandwidth, and noise coefficient is less than 3dB；It receives
Tone signal sideband of the machine complete machine in 100MHz bandwidth inhibits than being less than -78.4dBc, and direct current offset is less than -76.8dBFS, line
Property dynamic range be 70dB.Transmitter complete machine gain flatness in 100MHz bandwidth is 0.93dB, and the sideband of tone signal presses down
System ratio is in -50.2dBc hereinafter, suppressed carrier system is below -64.5dBc.Letter is modulated for the 64QAM of character rate 80Msps
Number, the ACPR of the neighbouring channel of transmitter is respectively -57.8dBc and -60.5dBc；In addition it is also tested for the modulation of transmitter
Precision, the EVM of QPSK, 16QAM, 64QAM modulated signal of character rate 20Msps are respectively 1.21%, 1.01%, 0.78%,
The EVM of QPSK, 16QAM, 64QAM modulated signal of character rate 80Msps is respectively 2.55%, 2.41%, 2.20%.
Claims (5)
1. a kind of extensive MIMO communication system of miniaturization 5G, it is characterised in that: before antenna array, radio frequency including independent design
Hold Transmit-Receive Unit, base-band digital processing front and frequency synthesizer；Frequency source needed for frequency synthesizer generation system, for radio frequency
Front end Transmit-Receive Unit uses；Radio-frequency front-end Transmit-Receive Unit connects antenna array；Base-band digital handles front and realizes to radio-frequency front-end
The control of Transmit-Receive Unit.
2. the extensive MIMO communication system of miniaturization 5G according to claim 1, it is characterised in that: the radio-frequency front-end is received
Bill member includes the radio frequency subelement in 16 piece of 4 channel, and each radio frequency subelement includes RF transceiver, clock processing unit
And power module.
3. the extensive MIMO communication system of miniaturization 5G according to claim 1, it is characterised in that: at the base-band digital
Reason front includes FPGA, ARM, power module and clock distribution block, and the received digital baseband of radio-frequency front-end Transmit-Receive Unit is believed
Number FPGA is transferred to by Base-Band Processing.
4. the extensive MIMO communication system of miniaturization 5G according to claim 1, it is characterised in that: the frequency synthesizer
Frequency source needed for generation system, and frequency source is divided into 64 tunnels with splitter, it is used for radio-frequency front-end Transmit-Receive Unit.
5. the extensive MIMO communication system of miniaturization 5G according to claim 2, it is characterised in that: the RF signal receiving and s ending
Machine includes receiving channel and transmission channel, and receiving channel and transmission channel are connect by RF switch with antenna array, is received logical
Road includes sequentially connected low-noise amplifier, bandpass filter, radio frequency amplifier, numerical-control attenuator and balun, transmission channel
Including sequentially connected balun, radio frequency amplifier, bandpass filter and power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042618.9A CN109067443A (en) | 2018-09-07 | 2018-09-07 | A kind of extensive MIMO communication system of miniaturization 5G |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042618.9A CN109067443A (en) | 2018-09-07 | 2018-09-07 | A kind of extensive MIMO communication system of miniaturization 5G |
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| Publication Number | Publication Date |
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| CN109067443A true CN109067443A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811042618.9A Pending CN109067443A (en) | 2018-09-07 | 2018-09-07 | A kind of extensive MIMO communication system of miniaturization 5G |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380747A (en) * | 2019-06-28 | 2019-10-25 | 东南大学 | Single-chip realizes the method and system of the anti-interference ultrahigh speed wireless communication of multichannel |
| CN114095328A (en) * | 2021-10-28 | 2022-02-25 | 成都中科微信息技术研究院有限公司 | UV frequency band 5G high-power terminal based on APD technology |
| CN118694426A (en) * | 2024-08-22 | 2024-09-24 | 合肥综合性国家科学中心人工智能研究院(安徽省人工智能实验室) | A UAV communication system integrating computing and network |
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| CN103516371A (en) * | 2013-09-18 | 2014-01-15 | 清华大学 | Configurable wireless transmitter |
| US9020011B1 (en) * | 2013-05-24 | 2015-04-28 | Pmc-Sierra Us, Inc. | Enabling RX signal path synchronization and alignment signals in a highly integrated TX RFIC |
| CN105743551A (en) * | 2014-12-10 | 2016-07-06 | 中兴通讯股份有限公司 | Large scale MIMO integrated base station |
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- 2018-09-07 CN CN201811042618.9A patent/CN109067443A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201536427U (en) * | 2009-12-02 | 2010-07-28 | 中国移动通信集团公司 | Integrated base station antenna system |
| CN202818280U (en) * | 2012-05-17 | 2013-03-20 | 天津里外科技有限公司 | Mobile terminal and radio frequency front end thereof with radio frequency digital-to-analogue conversion type linear transmitter |
| US9020011B1 (en) * | 2013-05-24 | 2015-04-28 | Pmc-Sierra Us, Inc. | Enabling RX signal path synchronization and alignment signals in a highly integrated TX RFIC |
| CN103516371A (en) * | 2013-09-18 | 2014-01-15 | 清华大学 | Configurable wireless transmitter |
| CN105743551A (en) * | 2014-12-10 | 2016-07-06 | 中兴通讯股份有限公司 | Large scale MIMO integrated base station |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380747A (en) * | 2019-06-28 | 2019-10-25 | 东南大学 | Single-chip realizes the method and system of the anti-interference ultrahigh speed wireless communication of multichannel |
| CN110380747B (en) * | 2019-06-28 | 2021-05-14 | 东南大学 | Method and system for realizing multi-channel anti-jamming ultra-high-speed wireless communication on a single chip |
| CN114095328A (en) * | 2021-10-28 | 2022-02-25 | 成都中科微信息技术研究院有限公司 | UV frequency band 5G high-power terminal based on APD technology |
| CN114095328B (en) * | 2021-10-28 | 2024-04-26 | 成都中科微信息技术研究院有限公司 | UV frequency band 5G high-power terminal based on APD technology |
| CN118694426A (en) * | 2024-08-22 | 2024-09-24 | 合肥综合性国家科学中心人工智能研究院(安徽省人工智能实验室) | A UAV communication system integrating computing and network |
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Application publication date: 20181221 |