CN103096517B - Wireless backhaul base station apparatus - Google Patents
Wireless backhaul base station apparatus Download PDFInfo
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- CN103096517B CN103096517B CN201110333826.6A CN201110333826A CN103096517B CN 103096517 B CN103096517 B CN 103096517B CN 201110333826 A CN201110333826 A CN 201110333826A CN 103096517 B CN103096517 B CN 103096517B
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Abstract
A kind of wireless backhaul base station apparatus includes content access module, information processing passage and Super-material antenna, the diversified information content of the content access module input or output；Described information treatment channel includes sending information processing passage and receive information treatment channel；The Super-material antenna includes the first Super-material antenna and the second Super-material antenna, and first Super-material antenna is connected to transmission information processing passage and the diversified information content is sent in the form of electromagnetic wave signal；Second Super-material antenna is connected to receive information treatment channel and the diversified information content is received in the form of electromagnetic wave signal.So as to separately be handled by will send or receive data, it can receive wireless backhaul base station apparatus and be separated with sending function and efficiently use wireless backhaul Base station channel resources.
Description
Technical field
The present invention relates to a kind of wireless communication base station, more particularly to a kind of wireless backhaul base station dress based on Super-material antenna
Put.
Background technology
With the rapidly development of wireless broadband communication technology in recent years, the increasing to data traffic and quality requirement also avalanche type
Add.Wireless backhaul equipment in traditional second generation mobile communication (2G) and third generation mobile (3G) mobile communication system
(backhaul) can not meet the requirements.Especially such as the nothing under high-speed railway (High railway communication, HRC)
Line communicate, in the environment of up to 300~450 kilometers, system frequency deviation caused by the great change of Doppler frequency it is larger partially
Shifting and serious interference, have made the communication quality of signal rapidly deteriorate.With forth generation mobile communcations system (4G) technological break-through,
The equipment of respective application equipment is researched and developed and is commercialized orderly development, correlative factor is correspondingly considered, such as the fire of high-speed cruising
Car.But the handling capacity of wireless telecommunications system data transfer cannot meet in the wireless backhaul in market needs, especially market
Hold service, such as HD video content large capacity, high-throughput wireless backhaul service will also increase sharply rapidly.Therefore, how to design
Under research complex situations, especially in high-speed train in the case of high-speed mobile, wireless channel transmission quality and corresponding
Solution method, just becomes demand extremely urgent at present.
The content of the invention
Based on this, it cannot meet market needs, especially city to solve the handling capacity of wireless telecommunications system data transfer
The technical problem of wireless backhaul content service in, therefore a kind of wireless backhaul base station apparatus is provided.
A kind of wireless backhaul base station apparatus includes content access module, information processing passage and Super-material antenna, described interior
Hold AM access module input or the diversified information content of output；Described information treatment channel includes sending information processing passage and connects
Collect mail and cease treatment channel；The Super-material antenna includes the first Super-material antenna and the second Super-material antenna, described the first to surpass material
Material antenna is connected to transmission information processing passage and the diversified information content is sent in the form of electromagnetic wave signal；Second Meta Materials
Antenna is connected to receive information treatment channel and the diversified information content is received in the form of electromagnetic wave signal.
Further, the diversified information content includes LTE signals, CDMA2000 signals, WCDMA signals, TD-
Any one in SWCDA signals, GSM signals, fiber-optic signal and video/audio signal.
Further, the transmission information processing passage includes:
First access processing module, for exporting the diversified information content and handling generation preprocessed signal；
Frame forms module, and the preprocessed signal for responding described is processed to form frame structure signal；
Self application coded/modulated module, coded/modulated signal is produced for response frame architecture signals；
Interference cancellation module, for eliminating the coded/modulated signal interference signal to generate signal to be converted；
Modular converter, for responding the signal to be converted and converting electrical signals to electromagnetism based on the first Super-material antenna
Ripple signal.
Further, the receive information treatment channel includes：
Second access processing module, for receiving the electromagnetic wave for including the diversified information content based on the second Super-material antenna
Signal simultaneously switchs to electric signal；
Frame synchronization/frequency offset processing module, carries out frame synchronization/frequency offset processing, to produce signal to be decoded by electric signal；
Decoding/demodulation module, to it decode/demodulate for responding the signal to be decoded；
Intermediate frequency modular converter, for carrying out intermediate frequency conversion process to having decoded/having demodulated signal, and is sent into content access mould
Block.
Further, the first Super-material antenna includes：
Array Antenna, including mutiple antennas unit；Each antenna element includes engraving a groove topology pattern
Conductive foil, conductive feed point and feeder line；
One power splitter, for baseband signal to be divided to the signal of multichannel weighted value, then leads to the signal of each road weighted value
Each conductive feed point is crossed to be respectively transmitted to each antenna element being arranged in array；And
One reflector element, for reflecting the radiated electromagnetic wave backward of the multiple antenna element.
Further, the second Super-material antenna includes：
Array Antenna, including mutiple antennas unit；Each antenna element includes engraving a groove topology pattern
Conductive foil, conductive feed point and feeder line；
One power splitter, for baseband signal to be divided to the signal of multichannel weighted value, then leads to the signal of each road weighted value
Each conductive feed point is crossed to be respectively transmitted to each antenna element being arranged in array；And
One reflector element, for reflecting the radiated electromagnetic wave backward of the multiple antenna element.
Further, the Array Antenna further includes the medium substrate of an insulation, and each antenna element further includes
Ground unit and connect wires, the multiple antenna element is attached on medium substrate on a surface in array.
Further, the Array Antenna further includes the medium substrate of an insulation, and each antenna element further includes
Ground unit and connect wires, the multiple antenna element is attached on medium substrate on a surface in array.
Further, the groove topology pattern is complementary split ring resonator pattern, be open spiral ring patterns, dual openings spiral shell
Rotation ring patterns and one kind in above-mentioned pattern and the axial symmetry that above-mentioned several patterns are derivative, compound, combination or group battle array obtain are answered
Close pattern.
Further, the groove topology pattern is complementary helical pattern, complementary bending line pattern and above-mentioned pattern
In one kind and above-mentioned several patterns be derivative, compound, combination or the obtained axis asymmetric pattern of group battle array.
Compared with prior art, the present invention uses the first Super-material antenna to be connected to and sends information processing passage with electromagnetic wave
Signal form sends the diversified information content；Second Super-material antenna is connected to receive information treatment channel and is believed with electromagnetic wave
Number form receives the diversified information content, so as to separately be handled by that will send or receive data, can make wirelessly to return
Base station apparatus reception is passed to separate with sending function and efficiently use wireless backhaul Base station channel resources.
Brief description of the drawings
Fig. 1 is the schematic diagram of wireless backhaul base station apparatus of the present invention；
Fig. 2 is the module map of the wireless backhaul base station apparatus shown in Fig. 1；
Fig. 3 is the floor map of first and second Super-material antenna shown in Fig. 2；
Fig. 4 is the floor map of an antenna element in Super-material antenna shown in Fig. 3；
Fig. 5 is the schematic diagram for engraving groove topology pattern shown in Fig. 4 on conductive foil；Wherein, Fig. 5 (a) is on conductive foil
Complementary split ring resonator pattern is formed, Fig. 5 (b) is that complementary helical pattern is formed on conductive foil, and it is to lead that Fig. 5 (c), which is,
Electric thin slice forms the spiral ring patterns that are open, and Fig. 5 (d) is the formation spiral ring patterns of dual openings on conductive foil, and Fig. 5 (e) is conductive
Complementary bending line pattern is formed on thin slice；Fig. 5 (f) is that the formation asymmetrical composite pattern of axis, Fig. 5 (g) are on conductive foil
Axisymmetric composite pattern is formed on conductive foil；
Fig. 6 is the pattern that can be formed shown in Fig. 4 on conductive foil by forming deriving mode, and wherein Fig. 6 (a) is topology
Geometrical shapes derive pattern；Fig. 6 (b) is the derivative pattern of topological structure extension.
Embodiment
Please also refer to Fig. 1 and Fig. 2, for the schematic diagram and wireless backhaul base station apparatus of wireless backhaul base station apparatus of the present invention
Module map.The wireless backhaul base station apparatus includes content access module 20, information processing passage 21 and Super-material antenna 29,
Wherein described information treatment channel 21 includes sending information processing passage 210 and receive information treatment channel 211.Described wireless time
Pass base station apparatus and input or export the diversified information content by content access module 20, the variation information content refers to
Obtained based on modes such as various modulation, demodulation, coding, decodings and suitable for wireless channel, fiber channel or wire message way transmission
Information.Wherein wireless signal include but not limited to LTE signals, CDMA2000 signals, WCDMA signals, TD-SWCDA signals,
GSM signals etc.；Wire signal includes fiber-optic signal, online video/audio signal etc..Wireless backhaul base station apparatus can will be above-mentioned various
Change the information content by sending information processing passage 210 and Super-material antenna 29 is modulated into the form of electromagnetic wave and outwards carries out spoke
Penetrate；Meanwhile wireless backhaul base station apparatus may be based on receive information treatment channel 211 and Super-material antenna 29 receives various be based on
Electromagnetic wave is the diversified information content of carrier.In the present embodiment, Super-material antenna 29 includes the first Super-material antenna 22
With the second Super-material antenna 23, first Super-material antenna 22, which is connected to, sends information processing passage 210 with electromagnetic wave signal
Form sends the diversified information content；Second Super-material antenna 23 is connected to receive information treatment channel 211 with electromagnetic wave
Signal form receives the diversified information content.
Sending information processing passage 210 includes LTE signal access modules, CDMA signal access modules, GSM signals access mould
Block, fiber-optic signal AM access module and video/audio signal AM access module module.Above-mentioned module is respectively used to receive the letter of various forms
Cease content.
Send information processing passage 210 and include the first access processing module 211, frame forms module 212, self application coding/
Modulation module 213, interference cancellation module 214 and modular converter 215.
First access processing module 211 is used for the diversified information content that reception content AM access module 20 inputs and handles life
Into preprocessed signal.
Frame forms module 212 and processes to form frame structure signal for responding the preprocessed signal.
Self application coded/modulated module 213 is used for response frame architecture signals and produces coded/modulated signal.
Interference cancellation module 214 is used to eliminate the coded/modulated signal interference signal to generate signal to be converted.
Modular converter 215 is used to respond the signal to be converted and convert electrical signals to based on the first Super-material antenna 22
Electromagnetic wave signal.
Receive information treatment channel 211 includes intermediate frequency modular converter 216, decoding/demodulation module 217, frame synchronization/frequency deviation
Processing module 218 and Second processing module 219.
Second access processing module 219 receives the electromagnetic wave for including the diversified information content based on the second Super-material antenna 23
Signal simultaneously switchs to electric signal.
Electric signal is carried out frame synchronization/frequency offset processing by frame synchronization/frequency offset processing module 218, to produce signal to be decoded.
Decoding/demodulation module 217 to it decode for responding the signal to be decoded/demodulates.
Intermediate frequency modular converter 216 is used to carry out intermediate frequency conversion process to having decoded/having demodulated signal, and is sent into content access
Module 20.
In the present embodiment, separately handled by will send or receive data, wireless backhaul base station apparatus can be made
Reception separates with sending function and efficiently uses wireless backhaul Base station channel resources.Such as high resolution video and audio content large capacity, height
Throughput wireless backhaul service is met demand.In addition, antenna is important bottleneck in the wireless backhaul base station apparatus of the present invention.
Super-material antenna is formed based on artificial electromagnetic material Technology design in wireless backhaul base station apparatus of the present invention, manually
Electromagnetic material refers to the topological metal structure that sheet metal is engraved into given shape, and by the topological metal knot of the given shape
Structure is arranged at the equivalent extraordinary electromagnetic material fabricated on certain dielectric constant and magnetic conductivity base material, its performance parameter is main
Topological metal structure depending on the given shape of its sub-wavelength.In resonance band, artificial electromagnetic material usually embodies height
Dispersion characteristics, in other words, the impedance of antenna, hold perceptual, equivalent dielectric constant and magnetic conductivity as frequency can occur acutely
Change.Thus the fundamental characteristics of above-mentioned antenna can be transformed using artificial electromagnetic material technology so that metal structure and
Its medium substrate depended on equally constitutes a highly dispersed extraordinary electromagnetic material, is enriched so as to fulfill radiation characteristic
New antenna.First Super-material antenna 22 and the second Super-material antenna in employing wireless passback base station apparatus described in detail below
23, in the following embodiments, the first Super-material antenna 22 and the second Super-material antenna 23 are identical antenna:
Referring to Fig. 3, it is the floor map of first and second Super-material antenna of an embodiment in the present invention.First and second surpass
Material day 22,23 includes a burst of column antenna 8, is arranged on the reflector element 9 and power splitter 7 of 8 side of Array Antenna.The battle array
Column antenna 8 includes mutiple antennas unit 10.When the first Meta Materials day 22 sends electromagnetic wave, the reflector element 9 is used
In the radiated electromagnetic wave backward for reflecting each antenna element 10 so that the back lobe that said antenna device 1 is formed is compressed, to carry
The emission effciency of high antenna assembly.It is achieved in that under same electromagnetic wave signal intensity, it is possible to reduce the radiation of wireless backhaul device
Unit number, and then mitigate antenna volume and weight, landed cost is reduced into realizing nothing during to be installed on highway/railway
Line passback base station apparatus miniaturization and integration.
Power splitter 7 is used to, by the signal of baseband signal division multichannel weighted value, then distinguish the signal of each road weighted value
The each antenna element 10 being arranged in array is distributed to, institute's array is made according to wave beam forming (beam forming) technology
Antenna 8 produces electromagnetic wave directed radiation scope.In the present embodiment, the power splitter 7 uses one or six power splitters.
Fig. 4 is an antenna element floor map in antenna assembly shown in Fig. 3.Antenna element 10 includes the medium of an insulation
Substrate 100, a surface 101 of the medium substrate 100 are attached with conductive foil 13a, and conductive foil 13a is being engraved a groove
Topological pattern 12a.In the present embodiment, conductive foil 13a uses metal copper sheet, and it is axisymmetric to have engraved one in metal copper sheet
Groove topology pattern 12a.In other embodiments, groove topology pattern 12a is axis asymmetric pattern.
The feeder line 11, one that a conductive feed point 14 is also formed on first surface 101 and is electrically connected with conductive feed point 14 is grounded
Unit 15a and ground wire 16.In the present embodiment, the conductive foil 13a passes through the connection ground unit of ground wire 16 15a.
The feeder line 11 passes through magneto-electric coupled associated with conductive foil 13a.In other embodiments, feeder line 11 and ground wire 16 1
As can be considered as two pins of antenna, with 50 ohmage feed-in of standard, but the feed-in mode of feeder line 11 and ground wire 16
Earthing mode can be that capacitive coupling can also be inductive coupled, and specifically, the feed-in mode of feeder line 11 is with being grounded 16
Access way shares four kinds of combinations, is respectively：Feeder line inductance feed-in, ground wire inductance ground connection；Feeder line inductance feed-in, ground wire electricity
Hold ground connection；Feeder line capacitance feed-in, ground wire inductance ground connection；Feeder line capacitance feed-in, is grounded capacity earth.In Array Antenna 8
On the topological micro-structure of antenna element 10 may be the same or different with size, so as to carry out Mixed Design.
First and second Meta Materials day 22,23 in the present invention, can by adjusting feeder line 11 feed-in coupled modes, ground wire 16
Earthing mode, topological structure and the size and feeder line 11 and ground wire 16 and antenna element 10 of antenna element 10
Can short connecting point position be tuned so that antenna forms multimode operation.
Referring to Fig. 5, Fig. 5 (a) is that complementary split ring resonator pattern is formed on conductive foil, Fig. 5 (b) is conductive foil
Upper to form complementary helical pattern, Fig. 5 (c) is that conductive foil forms the spiral ring patterns that are open, and Fig. 5 (d) is conductive foil
The upper formation spiral ring patterns of dual openings, Fig. 5 (e) is that complementary bending line pattern is formed on conductive foil；Fig. 5 (f) is conductive thin
On piece forms the asymmetrical composite pattern of axis, and Fig. 5 (g) is that axisymmetric composite pattern is formed on conductive foil.
Groove topology pattern 12a is axial symmetry pattern, including complementary split ring resonator pattern shown in Fig. 5 (a), Fig. 5 (c) institutes
Show the spiral ring patterns of opening, the spiral ring patterns of dual openings shown in Fig. 5 (d) and Fig. 5 (g) be formed on conductive foil it is axisymmetric multiple
Close pattern；Groove topology pattern 12a is axis asymmetric pattern, includes but not limited to complementary helical pattern, Fig. 5 shown in Fig. 5 (a)
(e) the asymmetrical composite pattern of axis shown in complementary bending line pattern and Fig. 5 (f) shown in.
Above-mentioned groove topology pattern 12a can also form more derivative patterns by deriving mode as shown in Figure 6, wherein
Fig. 6 (a) is geometry deriving mode schematic diagram, and geometry derives the shape referred in conductive foil 13a in the present invention
It is not limited solely to rectangle, or arbitrary plane geometric figure, such as circle, triangle, polygon；Fig. 6 (b) is expansion
Open up deriving mode schematic diagram；Extension derivative refers under the premise of original conductive foil 13a intrinsic propestieses are not changed, and can arbitrarily engrave
Carve partially electronically conductive and derive symmetrical or asymmetric pattern so as to extend.
From Principle of Antenna, electrical length is to describe the physical quantity of electromagnetic waveform change frequent degree, electrical length=thing
Manage length/wavelength.When antenna works in low frequency, the corresponding electromagnetic wavelength of low frequency is longer, is needing to keep electrical length constant
On the premise of, it is exactly necessary selection to increase physical length.But increase physical length cannot necessarily meet antenna miniaturization
It is required that.According to formula f=1/, (according to 2 π, increase distribution capacity effectively can reduce operating frequency of antenna so that not increasing physics
Electrical length can be kept constant on the premise of length.It can thus be designed in minimum space and be operated in very low operation frequency
Antenna under rate.
Ceramics, high molecular material, ferroelectric material, ferrite material or iron can be selected in the material of the medium substrate 100 of the present invention
Magnetic material；Wherein high molecular material preferably polytetrafluoroethylene, F4B or FR4.In the present invention, the processing and manufacturing on antenna, only
Meet the design principle of the present invention, various manufactures can be used.Most common method is to use all kinds of printed circuit board (PCB)s
(PCB) manufacture method, the through hole of metallization, the PCB manufactures of double-sided copper-clad can meet the processing request of the present invention.Except this plus
Work mode, can also introduce other manufacturing process according to the actual needs, for example (RFID is Radio Frequency to RFID
The abbreviation of Identification, i.e. Radio Frequency Identification Technology, are commonly called as electronic tag) used in conductive silver paste ink processing side
Formula, it is all kinds of can the flexible PCB processing of deformable element, the processing method that is combined with PCB of the processing method of iron plate antenna and iron plate.
Wherein, iron plate refers to complete the processing of chip microstructure portion using the accurate processing of PCB with PCB Combined machining modes, uses
Iron plate completes other slave parts.
The embodiment of the present invention is described above in conjunction with attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make very much
Form, these are belonged within the protection of the present invention.
Claims (6)
1. a kind of wireless backhaul base station apparatus, it is characterised in that including content access module, information processing passage and Meta Materials day
Line, the diversified information content of the content access module input or output；Described information treatment channel includes sending at information
Manage passage and receive information treatment channel；The Super-material antenna includes the first Super-material antenna and the second Super-material antenna, institute
State the first Super-material antenna be connected to send information processing passage is sent in the form of electromagnetic wave signal it is described variation the information content；
Second Super-material antenna is connected to receive information treatment channel and the diversified information content is received in the form of electromagnetic wave signal；
Wherein, first Super-material antenna and second Super-material antenna each include Array Antenna, are arranged on institute
The reflector element and power splitter of Array Antenna side are stated, wherein, the Array Antenna includes mutiple antennas unit, each
Antenna element includes engraving the conductive foil of a groove topology pattern, conductive feed point and feeder line；The power splitter, for by base band
Signal divides the signal of multichannel weighted value, is then respectively transmitted the signal of each road weighted value in battle array by each conductive feed point
Arrange each antenna element of arrangement；The reflector element, for reflecting the radiated electromagnetic wave backward of the multiple antenna element；Its
In, the Array Antenna further includes the medium substrate of an insulation, and the multiple antenna element is attached in array and is given an account of
On matter substrate on a surface.
2. wireless backhaul base station apparatus according to claim 1, it is characterised in that the variation information content includes
In LTE signals, CDMA2000 signals, WCDMA signals, TD-SWCDA signals, GSM signals, fiber-optic signal and video/audio signal
Any one.
3. wireless backhaul base station apparatus according to claim 2, it is characterised in that the transmission information processing passage bag
Include:
First access processing module, for exporting the diversified information content and handling generation preprocessed signal；
Frame forms module, and the preprocessed signal for responding described is processed to form frame structure signal；
Self application coded/modulated module, coded/modulated signal is produced for response frame architecture signals；
Interference cancellation module, for eliminating the coded/modulated signal interference signal to generate signal to be converted；
Modular converter, for responding the signal to be converted and converting electrical signals to electromagnetic wave letter based on the first Super-material antenna
Number.
4. the wireless backhaul base station apparatus according to Claims 2 or 3, it is characterised in that the receive information treatment channel
Including：
Second access processing module, for receiving the electromagnetic wave signal for including the diversified information content based on the second Super-material antenna
And switch to electric signal；
Frame synchronization/frequency offset processing module, carries out frame synchronization/frequency offset processing, to produce signal to be decoded by electric signal；
Decoding/demodulation module, to it decode/demodulate for responding the signal to be decoded；
Intermediate frequency modular converter, for carrying out intermediate frequency conversion process to having decoded/having demodulated signal, and is sent into content access module.
5. wireless backhaul base station apparatus according to claim 1, it is characterised in that the groove topology pattern is opened to be complementary
Mouth resonance ring patterns, the spiral ring patterns of opening, the spiral ring patterns of dual openings and one kind in above-mentioned pattern and above-mentioned several figures
The axial symmetry composite pattern that case is derivative, compound, combination or group battle array obtain.
6. wireless backhaul base station apparatus according to claim 1, it is characterised in that the groove topology pattern is complementary spiral shell
Spin line pattern, complementary bending line pattern and one kind in above-mentioned pattern and above-mentioned several patterns are derivative, compound, combination or group
The axis asymmetric pattern that battle array obtains.
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| CN201110333826.6A CN103096517B (en) | 2011-10-28 | 2011-10-28 | Wireless backhaul base station apparatus |
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|---|---|---|---|
| CN201110333826.6A CN103096517B (en) | 2011-10-28 | 2011-10-28 | Wireless backhaul base station apparatus |
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| CN103096517B true CN103096517B (en) | 2018-04-20 |
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| CN113447906B (en) * | 2021-08-31 | 2022-01-04 | 江苏易珩空间技术有限公司 | Detection and identification method, device and system based on information superstructure surface |
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| EP2034623A1 (en) * | 2007-09-05 | 2009-03-11 | Nokia Siemens Networks Oy | Adaptive adjustment of an antenna arrangement for exploiting polarization and/or beamforming separation |
| CN101505004A (en) * | 2009-03-05 | 2009-08-12 | 四川大学 | High gain slot array antenna based on left-hand material |
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9806789B2 (en) * | 2010-04-06 | 2017-10-31 | Samsung Electronics Co., Ltd. | Apparatus and method for spatial division duplex (SDD) for millimeter wave communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2034623A1 (en) * | 2007-09-05 | 2009-03-11 | Nokia Siemens Networks Oy | Adaptive adjustment of an antenna arrangement for exploiting polarization and/or beamforming separation |
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
| CN101505004A (en) * | 2009-03-05 | 2009-08-12 | 四川大学 | High gain slot array antenna based on left-hand material |
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