CN110336575A - A kind of super surface intelligent processing system of information applied to cell base station wireless communication - Google Patents
A kind of super surface intelligent processing system of information applied to cell base station wireless communication Download PDFInfo
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- CN110336575A CN110336575A CN201910531108.6A CN201910531108A CN110336575A CN 110336575 A CN110336575 A CN 110336575A CN 201910531108 A CN201910531108 A CN 201910531108A CN 110336575 A CN110336575 A CN 110336575A
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- 238000004891 communication Methods 0.000 title claims abstract description 33
- 230000005855 radiation Effects 0.000 claims abstract description 12
- 230000033228 biological regulation Effects 0.000 claims abstract description 10
- 230000010365 information processing Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 9
- 230000010287 polarization Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 230000005622 photoelectricity Effects 0.000 claims 1
- 238000005562 fading Methods 0.000 abstract description 2
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- 230000003993 interaction Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000005670 electromagnetic radiation Effects 0.000 description 2
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- 238000006243 chemical reaction Methods 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
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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 invention proposes a kind of super surface intelligent processing systems of information applied to cell base station wireless communication, the intelligent processing system is the system that a scattering and radiation combine, mainly include the super surface of information, base station, feed antenna, central intelligent processor, is suitable for keeping communicating between antenna for base station and user equipment in specific region.The system forms the real-time direct surface information processing system of a time-domain, frequency domain, spatial domain various dimensions by carrying out direct coding modulation to feed signal；There is scattering function simultaneously, coverage cell outer wall of the building, indoor wall, window etc., form a set of distributed base station, secondary regulation adaptively is carried out to spatial electromagnetic wave, solves the problems, such as multipath fading and path loss in wireless communication, improves communication quality, optimize channel performance, reduce hardware complexity, realize low cost, low-power consumption, Low emissivity intelligent wireless communication environment.
Description
Technical field
The present invention relates to wireless communication and Novel manual electromagnetic material, especially a kind of cell base station that is applied to is wirelessly communicated
The super surface intelligent processing system of information.
Background technique
Novel artificial resistance electromagnetic surface also known as super surface can control electromagnetism by designing its element characteristics and spatial arrangement
The parameters such as amplitude, phase, polarization, wave beam, the orbital angular momentum of wave realize the deviation of electromagnetic energy, focusing, inhale the functions such as wave,
It can be used for the fields such as antenna, imaging.The super surface of information further uses the method for information theory in super surface cell and digital information
Between establish connection, encoded with binary digit 0/1 and characterize super surface cell, and is each to electromagnetic wave by various adjustable means
Parameter carries out real-time dynamic regulation, realizes different functions with the super surface of same information, as beam scanning, polarization conversion, amplitude/
Phase-modulation etc. has broad application prospects in the fields such as communication, radar, stealthy.(5G) system is wirelessly communicated in the 5th generation
In, extensive multiple-input and multiple-output (MIMO) antenna is widely applied with millimeter-wave technology, to communication system hardware framework
Middle radio frequency link is put forward new requirements with antenna, cost, performance, power consumption, in terms of be faced with new challenges.And believe
Cease super surface because its is low in cost, be easily integrated, low energy consumption the features such as, will be designed for 5G communication system hardware and bring new think of
Road.
Summary of the invention
Goal of the invention: the invention proposes a kind of information super surface Intelligent treatment systems applied to cell base station wireless communication
System, can active electromagnetic radiation signal can have again to space electromagnetic signal carry out secondary treatment, it is therefore intended that with information surpass
Surface come solve the problems, such as wireless communication in multipath fading and path loss, improve communication quality, optimize channel performance, reduce hardware
Complexity, realize low cost, low-power consumption, Low emissivity intelligent wireless communication environment.
Technical solution: the information super surface intelligent processing system of the present invention applied to cell base station wireless communication,
Surpass surface, base station, feed antenna, central intelligent processor including information；Each component is connected by cable mode, and signal is aggregated into
Central intelligent processor；The super surface distribution of information is adsorbed on wall, is worked respectively in radiation mode and backscatter mode, institute
Radiation mode is stated for directly communicating with user, to radiated communications after feed antenna sending signal progress direct coding modulation, institute
It states electromagnetic signal of the backscatter mode for generating to antenna for base station and carries out secondary regulation；The base station is used to generate the electromagnetism in space
Wave signal；The feed antenna is for emitting single-tone electromagnetic wave signal；The center intelligent processor perceptible feedback signal, is used for
Control the super surface of information, Feed Horn and base station.
A direct information modulator is served as on the super surface of information under radiation mode, and feed emits single-tone electromagnetic wave signal,
The amplitude-frequency of the reflection/transmission coefficient on the super surface of information, phase, frequency, polarization, wave beam, orbital angular momentum are in control circuit
Under the modulation of module, it can be used including PSK/QPSK, ASK, FSK, 16QAM, OFDM, MIMO technology means direct coding information,
Form a time-domain, frequency domain, the real-time direct surface information processing system of spatial domain various dimensions, save complicated mixing,
The characteristics of RF front-end modules such as amplification, realization low cost, low-power consumption.
A signal relay station is served as on the super surface of information under backscatter mode, and the electromagnetic signal that base station is generated carries out secondary
Regulation realizes Voice segment, accurate directional transmissions, intelligent beam tracking, the regulation of adaptive beamforming waveform, optimizes channel
Performance promotes efficiency of transmission and communication quality, reduces and interferes advantage between different receiving devices.
Its Component units of the super surface of information include the unit for integrating automatically controlled, light-operated, Mechanical course, electrical combined control,
Such as diode, varactor, various sensors.Controllable regulates and controls the parameters such as electromagnetism wave amplitude, phase, frequency.
The building surface that the super surface of information can be adsorbed on cell different location becomes receiver, real time monitoring and selection
Optimal transmission paths reduce path loss；Frequency alternative functional unit utilizes the direct radiated communications in far field, frequency hopping, time-division
Multiplexing technology means are realized, information carrying capacity is increased.
The super surface of information is switched in real time to super surface is encoded；By knowing response of the environment to electromagnetic signal, in real time
Encode switching function, cut-through object (directed radiation) or to multiple mobile terminals conveying energy (multi-beam generate and
Focus), realize the secondary regulation of electromagnetic signal.
The utility model has the advantages that compared with prior art, the present invention its remarkable advantage is: 1, antenna can be served as and carry out active spoke
It penetrates, is used as a direct information modulator, to radiating after baseband signal direct coding；It is also used as scatterer, is covered
In the suitable position of building, the role of spacing wave relay station is served as；2, the super surface intelligent processing system of information carries out actively
When radiation, the RF front-end modules such as mixing, the amplification in traditional communication link can be saved with direct coding information, reduce power consumption
And cost；3, when the super surface intelligent processing system of information carries out rescattering, signal can be made to send directionally to blind in signal
The user in area, using the sub- base station system in the super surface of distributed information, can with combined optimization channel performance, promoting transmission rate and
Communication quality reduces and interferes between different receiving devices, improves communication security from physical layer, reduces transmission power, realizes low
Radiation.
Detailed description of the invention
The super surface of information under cell base station scene Fig. 1 is covered in buildingsurface for realizing intelligent wireless communications environment
Schematic diagram of a scenario；
The schematic diagram of Fig. 2 digital modulation of information Meta Materials and electromagnetic wave interaction process；
Realize the system block diagram directly modulated in the super surface of Fig. 3 information.
Specific embodiment:
As shown in Figure 1, the super surface of information is covered in buildingsurface, under cell base station scene for realizing intelligent nothing
The schematic diagram of a scenario of line communication environment.Optimized by channel model, the super surface of information can be arranged in the appropriate of subdistrict architecture
Position.The effect of signal relay station can be served as when surface works in backscatter mode when information surpasses, and antenna for base station is issued
Electromagnetic wave signal carry out secondary regulation.In the following 5G millimetre-wave attenuator, signal decaying is larger, and diffracting power is poor.User 1 and base
Los path between station antenna is blocked by high building, and user 1 can not directly communicate with base station.But have benefited from neighboring buildings
The super surface of the information of upper covering, estimates the position of user 1 by channel first, then changes super table by intelligent processing system
The width of face bore is mutually distributed, and is accurately focused on the electromagnetic wave signal of base station antenna radiation using adaptive beamforming technology
User 1, to set up communication between user 1 and base station.Similar, when user 2 is also at base station signal blind area,
The super surface of information on surrounding building can gather electromagnetic wave signal is secondary on user 2, and user can be under this situation
Receive the energy that the super surface of 2 directional informations focuses, better communication quality can be obtained.User is in moving process, information
Super surface also can realize accurately directional transmissions to user by intelligent beam tracking technology.
In addition, being covered on the super surface of high-rise outer information also may operate in radiation mode, this just needs to surpass table in information
Square suitable position sets up a feed antenna in front, and the single-tone electromagnetic wave signal for emitting specific frequency is irradiated to the super surface of information
On.Serve as a direct information modulator, the width of the reflection/transmission coefficient on the super surface of information in the super surface of information under this situation
Degree/phase, or polarization, frequency, wave beam, orbital angular momentum etc. under the modulation of control circuit module, can be used including but it is unlimited
In PSK/QPSK, ASK, FSK, 16QAM, OFDM, the means direct coding information such as MIMO forms time-domain, frequency domain, a sky
Between domain various dimensions real-time direct surface information processing system, save the RF front-end modules such as complicated mixing, amplification.Such as
Shown in Fig. 1, the super surface of information is under the irradiation of feed antenna at this time, active electromagnetic radiation signal, and intelligent processing system is directly defeated
Enter baseband signal to surpass on surface to information.Width by adjusting super surface cell is mutually distributed, and carries out wave beam synthesis in three-dimensional space,
It realizes multiple beam position target directions, is respectively aligned to user 1,2,3 and establishes communication.It should be noted that on different buildings
The super surface of all information is all communicated with the holding of central intelligent processing system, and the signal of the super surface perception of information is fed back to intelligent place
Summarize in reason system, data can quickly be handled using cloud intelligent algorithm, then retransmits corresponding control signal
Onto the super surface of corresponding information, adaptive process is realized, to establish good interaction capabilities with different user.
As shown in Fig. 2, at a kind of super surface intelligence of information applied to cell base station wireless communication proposed by the invention
Reason system, number and the workflow of electromagnetic wave interaction process part are provided by Fig. 2.One super surface of complete information, packet
Include the super surface cell of information of part on Fig. 2 and the FPGA control module of left-hand component.Wherein, the super surface cell of information is
Can the generations effect such as phase, amplitude, frequency to electromagnetic wave bit cell, controlled manner is including but not limited to automatically controlled, light
Control, Mechanical course and electrical combined control.In practical operation, FPGA coding module can load digital signal to be surpassed in information
On surface, it is set to generate a variety of effects to the electromagnetic wave in environment, such as realize various communication modulation (PSK, ASK
Deng), and electromagnetic waveforms, energy, frequency etc. are operated；On this basis, the super surface of information can be convenient to electromagnetic wave into
Row secondary modulation and Intelligent treatment.The super surface of information can be attached on subdistrict architecture outer wall, mainly by control terminal
FPGA module and the super surface composition of coding.The super surface cell of information includes but is not limited to following several: utilizing switching diode
On off operating mode or varactor tuning performance, the phase bits unit that the phase of electromagnetic wave is regulated and controled；Utilize machine
Tool and miniflow shape control, to the amplitude bit unit of amplitude generation effect；And be integrated with various sensor (pressure,
Light, speed etc.), it can be achieved that polarization, frequency reconfigurable, and the unit of automated response is generated to environment.All these can
Prosecutor formula may be by FPGA to regulate and control voltage or stepper motor and carry out flexible modulation.
In the specific implementation process, intelligent switching can be carried out according to coding of the different functions to FPGA.When information is super
When surface is used as the scatterer in cell, the encoded information being stored in inside FPGA can be called as the case may be, these letters
Breath can load and surpass on the corresponding control line in surface in information, and then dynamically adjust in the form of binary code " 00101001... "
Control the state of each unit in programmable super surface array.Such as when electromagnetic wave meets with obstruction and needs to get around barrier transmission,
Encoding super surface can call the wave beam deviation based on broad sense snell law to encode, and make multi-beam transmission to scheduled target position
It sets；Wave beam focusing function can be called by encoding super surface for another example, efficiently used the electromagnetic energy in environment, saved the energy.
Multiple super surfaces of information may be used as receiving end, cooperates, handles various electromagnetic responses in real time.For example, being located at
Super surface on the wall of different community can be cooperateed with when receiving the electromagnetic wave that mobile terminal is issued according to Doppler effect
Predict its target position.Also, multiple receiving end coordinateds, using reflection/refraction principle, the optimal road that carrier wave is optimized
On diameter, path loss is reduced.
When information, which surpasses surface, is used as the transmitting terminal of communication, the existing programmable modulation of super surface in the communications can be used
Method realizes more modulation, such as PSK/QPSK, ASK, FSK, 16QAM, OFDM.
Surpass surface using information and carries out the system block diagram of direct information modulation as shown in figure 3, wherein data information is converted into
Binary bit stream " 01010001... ", further according to modulation scheme used, such as ASK, FSK, PSK, QAM, OFDM, by bit
Stream is mapped as controlling signal accordingly and is loaded onto super surface, and after super surface is motivated by single-tone carrier wave, transmission/reflection/angle wave will
The modulated wave for becoming carrying information blazes abroad.
Claims (7)
1. a kind of super surface intelligent processing system of information applied to cell base station wireless communication, which is characterized in that including information
Super surface, base station, feed antenna, central intelligent processor；Each component is connected by cable mode, and signal is aggregated into central intelligence
Processor；
The super surface distribution of information is adsorbed on wall, is worked respectively in radiation mode and backscatter mode, the radiation mode
For directly being communicated with user, to radiated communications after feed antenna sending signal progress direct coding modulation, the backscatter mode
Electromagnetic signal for generating to antenna for base station carries out secondary regulation；The base station is used to generate the electromagnetic wave signal in space；Institute
Feed antenna is stated for emitting single-tone electromagnetic wave signal；The center intelligent processor perceptible feedback signal, for controlling information
Super surface, Feed Horn and base station.
2. the super surface intelligent processing system of information described in claim 1, which is characterized in that the super surface of information is in radiation mode
Direct modulation intelligence is used under formula, the feed antenna to be for emitting single-tone electromagnetic wave signal, the super surface modulation parameter packet of information
Include amplitude, phase, frequency, polarization, wave beam, the orbital angular momentum of reflection/transmission coefficient；The super surface of information is for controlling
Circuit module modulated parameter, direct coding information, formed a time-domain, frequency domain, spatial domain various dimensions it is real-time directly
Surface information processing system, coding mode include PSK/QPSK, ASK, FSK, 16QAM, OFDM, MIMO.
3. the super surface intelligent processing system of information described in claim 1, which is characterized in that the super surface of information is in scattering mould
For relaying signal under formula, secondary regulation is carried out to the electromagnetic signal that base station generates, it includes: Voice segment that waveform, which regulates and controls, accurate
Directional transmissions, intelligent beam tracking, adaptive beamforming.
4. the super surface intelligent processing system of information according to claim 2, which is characterized in that the list on the super surface of configuration information
Member, phase, amplitude bit unit including can control super surface reflection/transmission information, and control Observable state includes frequency
Rate, polarization, wave beam, orbital angular momentum information unit；The mode on controllable super surface includes automatically controlled, light-operated, Mechanical course, photoelectricity
Jointly control.
5. the super surface intelligent processing system of information described in claim 1, which is characterized in that the super surface of information, to its structure
At bit cell direct coding for selecting optimal transmission paths；Using the direct radiated communications in far field, frequency hopping, time division multiplexing skill
Art.
6. the super surface intelligent processing system of information according to claim 3, which is characterized in that the super surface of information is in scattering mould
It is used for secondary regulation electromagnetic signal under formula, is realized by switching predetermined code sequence in real time.
7. the super surface intelligent processing system of information described in claim 1, which is characterized in that intelligent processing process is to pass through letter
Super surface channel estimation is ceased, position and the working condition of user is obtained, transmits the signal to central intelligent processor, last center
Intelligent processor issues feedback signal again to control the super surface of information, base station and the state of feed antenna, last adaptive
Change direction, the power, frequecy characteristic of electromagnetic wave signal.
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Cited By (25)
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| CN110880641A (en) * | 2019-11-26 | 2020-03-13 | 北京交通大学 | Multi-beam intelligent antenna |
| CN111130574A (en) * | 2019-12-20 | 2020-05-08 | 东南大学 | MIMO transmitter based on programmable super surface |
| CN111131096A (en) * | 2019-12-03 | 2020-05-08 | 东南大学 | Wireless relay system based on programmable super surface and channel estimation method thereof |
| CN111168287A (en) * | 2019-12-09 | 2020-05-19 | 常州工业职业技术学院 | Intelligent robot digital welding system and working method thereof |
| CN111416646A (en) * | 2020-02-17 | 2020-07-14 | 北京大学 | Propagation environment adjustable control method and device, electronic equipment and computer storage medium |
| CN111464223A (en) * | 2020-03-30 | 2020-07-28 | 电子科技大学 | Active intelligent reflection surface auxiliary communication system |
| CN111900550A (en) * | 2020-08-31 | 2020-11-06 | 西安电子科技大学 | Impedance and phase dual-modulation fused dual-source super-surface high-directivity antenna |
| CN112492512A (en) * | 2020-09-28 | 2021-03-12 | 北京大学 | Super-surface communication system, super-surface phase adjusting method and adjusting system |
| CN112735111A (en) * | 2020-12-16 | 2021-04-30 | 中兴通讯股份有限公司 | Intelligent panel regulation and control method, device and system, intelligent panel and storage medium |
| CN112881815A (en) * | 2021-01-22 | 2021-06-01 | 北京航空航天大学 | Programmable super-surface reflective array-based field simulator |
| CN112910531A (en) * | 2021-04-15 | 2021-06-04 | 东南大学 | User tracking and wireless digital transmission method based on programmable super surface |
| CN113300116A (en) * | 2021-05-24 | 2021-08-24 | 东南大学 | Polar modulation wireless communication system and method based on digital coding super surface |
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