CN103096520A - Base station system through application of digital microwaves - Google Patents
Base station system through application of digital microwaves Download PDFInfo
- Publication number
- CN103096520A CN103096520A CN2011103380992A CN201110338099A CN103096520A CN 103096520 A CN103096520 A CN 103096520A CN 2011103380992 A CN2011103380992 A CN 2011103380992A CN 201110338099 A CN201110338099 A CN 201110338099A CN 103096520 A CN103096520 A CN 103096520A
- Authority
- CN
- China
- Prior art keywords
- base station
- digital
- station system
- refractive index
- digital microwave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention provides a base station system through application of digital microwaves. The base station system through the application of the digital microwaves comprises a third-generation telecommunication (3G) base transceiver station, a digital subscriber line (DSL) and two digital microwave devices, wherein the two digital microwave devices are respectively connected with the DSL and the 3G base transceiver station, and the two digital microwave devices are connected through microwave communications. By means of the base station system through the application of the digital microwaves, a 3G network can be applied in a place where 3G communications are not realized, date uploading speed and data downloading speed for a user in the place are increased, more and better informationization services can be obtained, and meanwhile, wireless communications can be achieved in the place without a communication network. The base station system through the application of the digital microwaves is formed by transforming an original communication system, and therefore construction fees of a 3G communication base station can be reduced to a large extent.
Description
Technical field
The invention belongs to the communications field, be specifically related to a kind of base station system.
Background technology
In recent years, the mobile communication cause was very rapid in China's development, and the 3G communication network has also obtained applying gradually.But penetrating external wall and the loss in each floor, make the high-speed transfer in the indoor 3G of realization data have challenge due to signal, set up the base station and also not necessarily high-speed data service can be offered indoor user in the scope of several kilometers.Along with the development of information-based industry, will there be increasing family or enterprise to put in the use of the network information, the passage of the transmission networks such as optical fiber can't be routed under the pressure of natural conditions etc. the place that needs.
At present, the covering of some local cordless communication network of China is not also completed, and the signal of communication quality is unstable, especially concerning the company that needs stabilizing network and signal of communication, has brought greatly puzzlement for carrying out of work.
Summary of the invention
In the existing communication system, 3G network uses the upper problem that exists in order to solve, the invention provides a kind of base station system, can make the user who there is no 3G network enjoy the facility of 3G communication by this base station system, to achieve these goals, the present invention by the following technical solutions:
A kind of base station system of Applied Digital microwave, comprise NodeB sending and receiving stations, digital subscriber line and two digital microwave devices, described two digital microwave devices respectively with described digital subscriber line be connected the NodeB sending and receiving stations and be connected, described two digital microwave devices connect through microwave communication.
Further, also comprise landline telephone and the wisdom messaging device that is connected with described digital subscriber line.
Further, also comprise the base station that is connected with described digital subscriber line.
Further, also comprise the mobile communication terminal that is connected with described base station communication.
Further, described digital microwave device comprises outdoor unit, indoor unit and antenna element, and described outdoor unit is connected with described antenna element with described indoor unit respectively; Described digital microwave device is connected with described digital subscriber line, described internet network respectively by described indoor unit.
Further, described antenna element comprises at least one radiating doublet and one surpasses material cell, and described super material cell is used for described electromagnetic wave signal refraction is converged.
Further, described antenna element also comprises a reflector element, and the remainder reflection of electromagnetic wave that is used for described at least one radiating doublet is produced is to super material cell, and described super material cell is used for this part electromagnetic wave is also together converged backward external radiation.
Further, the refractive index of described super material cell is maximum on perpendicular to the central shaft of this super material cell, take central shaft as the center of circle, increase along with radius, refractive index diminishes gradually and the variable quantity of refractive index increases gradually, the refractive index at same radius place is identical, and the central shaft that described radiating doublet is positioned at described super material cell makes progress.
Further, described super material cell comprises by a plurality of super sheet of material stacks and forming, and each super sheet of material comprises flat substrates and is attached to a plurality of artificial micro-structural on this flat substrates.
Further, the refractive index of described each super sheet of material central spot is maximum, and take central point as the center of circle, along with the increase of radius, refractive index diminishes gradually and the variable quantity of refractive index increases gradually, and the refractive index at same radius place is identical.
Base station system of the present invention can be applied to 3G network the place of not realizing 3G communication, construction, installation, the maintenance cost of NodeB have been saved, these local users' data upload and the speed of download have been enlarged, enjoy how better Informatization Service, simultaneously can also will not have the place of communication network to realize radio communication, this base station system is transformed on the basis of original communication system and is formed, and can reduce to a great extent the construction cost of 3G communication base station.
Description of drawings
Fig. 1 is the module map of base station system embodiment 1 of the present invention;
Fig. 2 is the module map of base station system digital microwave device embodiment 1 of the present invention;
Fig. 3 is digital microwave device antenna element cross section structure schematic diagram in base station system in the present invention;
Fig. 4 is that the electromagnetic wave that radiating doublet shown in Figure 3 produces converges schematic diagram by super material cell;
Fig. 5 is the axisymmetric refraction index profile schematic diagram in the relative center of super material cell shown in Figure 3.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done a step explanation.
Be illustrated in figure 1 as the module map of base station system embodiment 1 of the present invention, this base station system comprises NodeB sending and receiving stations (NodeB), two digital microwave devices and digital subscriber line (DSL), NodeB sending and receiving stations one digital microwave device connects successively, another digital microwave device is connected with digital subscriber line, and two digital microwave devices connect through microwave communication.Digital subscriber line accesses family, company or needs in the building of network, the other end in the digital subscriber line that is connected with the digital microwave device is connected and fixed phone and wisdom messaging device and base station, the wisdom messaging device mainly comprises PC, NB, PDA etc., the network service that the base station uses digital subscriber line to provide for the mobile communication terminal that enters digital subscriber line access place, the 3G wireless network is provided indirectly, wherein, the communication connection of base station and mobile communication terminal is mainly the wireless connections by the electromagnetic transmission data.
be illustrated in figure 2 as the module map of base station system digital microwave device embodiment 1 of the present invention, this digital microwave device comprises outdoor unit, indoor unit and antenna element, outdoor unit is connected with antenna element with indoor unit respectively, antenna element reception microwave signal converts the signal of telecommunication to and is sent to indoor unit through outdoor unit, the data of digital subscriber line are input in the digital microwave device that is connected with digital subscriber line through indoor unit, again through outdoor unit, antenna element converts microwave signal to and sends, after the antenna element that is connected digital microwave device with internet network receives microwave signal, through outdoor unit, output to internet network after the indoor unit conversion.
Figure 3 shows that in the present invention the cross section structure schematic diagram of digital microwave device antenna element 100 in base station system, antenna element 100 comprise reflector element 101, at least one radiating doublet 102 and be used for will described at least one radiating doublet 102 generation the super material cell 103 that converges of electromagnetic wave.The part electromagnetic wave that described at least one radiating doublet 102 produces converges via described super material cell 103 and to external radiation, and the electromagnetic wave of the remainder that radiating doublet 102 produces reflexes on described super material cell 103 through reflector element 101, and the radiated wave that described super material cell 103 is reflected this part converges backward external radiation.In the present embodiment, the number of radiating doublet is 2.
Referring to Fig. 4 and Fig. 5, the refraction index profile of 103 pairs of incident electromagnetic waves of super material cell as shown in Figure 5, central shaft is n1 to the refractive index of locating, take the intersection point of central shaft AA ' and super material cell as the center of circle, along with the increase refractive index gradually of radius diminishes gradually, and along with the increase of radius, the variable quantity of refractive index increases gradually, wherein n1＞n2＞n3＞...＞np, (nm-nm-1)＞(nm-1-nm-2), m is greater than 3 natural numbers less than or equal to q.
Seen from the above description, the design of super material cell 103 is most important, the below does super material cell 103 and illustrates, the electromagnetic wave that is produced by radiating doublet 102 is via the parallel ejaculation of super material cell 103, on these super material cell 103 base materials, artificial micro-structural is set, base material adopts dielectric insulation material to make, and can be ceramic material, macromolecular material, ferroelectric material, ferrite material, ferromagnetic material etc., and for example macromolecular material can be epoxy resin or polytetrafluoroethylene.artificial micro-structural is for being attached to the metal wire on base material with certain geometry, metal wire can be that section is the copper cash of cylindric or flat, silver line etc., certainly the section of metal wire also can be other shapes, metal wire is by etching, electroplate, bore and carve, photoetching, electronics carve or ion quarter etc. technique be attached on base material, each super sheet of material is divided into a plurality of unit (comprising unit base material and the artificial micro-structural that is attached on this unit base material in this unit), each unit has an artificial micro-structural, each unit can produce response to the electromagnetic wave that passes through wherein, thereby affect electromagnetic wave transmission therein, the size of each unit depends on the electromagnetic wave of needs response, be generally required response electromagnetic wavelength 1/10th, otherwise being arranged in that the unit that comprises artificial micro-structural in the space forms can not be regarded as in the space continuously.
In the situation that base material is selected, by pattern, size and the spatial distribution on base material thereof of adjusting artificial micro-structural, can adjust everywhere effective dielectric constant and equivalent permeability and then the super material of change equivalent refractive index everywhere on super material.When artificial micro-structural adopted identical geometry, the size of the artificial micro-structural in somewhere was larger, and the effective dielectric constant that should locate is larger, and refractive index is also larger.The pattern of the artificial micro-structural that the present embodiment adopts is I-shaped, flakes and derived structure thereof, the size of above-mentioned artificial micro-structural therefrom diminishes around mind-set gradually, locate in substrate center, the size of alabastrine artificial micro-structural is maximum, and measure-alike in the artificial micro-structural of flakes at distance center same radius place, therefore the effective dielectric constant of substrate is diminished to surrounding gradually by the centre, middle effective dielectric constant and equivalent permeability are maximum, thereby the refractive index of substrate diminishes to surrounding gradually from the centre, and the refractive index of mid portion is maximum.
When spreading out of along the S1 direction is parallel after the electromagnetic wave that is sent by feed S converges through super material cell, the pass of deflection angle θ and refractive index is: Sin θ=q Δ n is (referring to Metamaterials:Theory, Design, and Applications, Publisher:Springer, 1441905723,75 pages-76 pages of ISBN), wherein q is the thickness of the artificial micro-structural of arranging vertically; Δ n represents the refractive index variable quantity of adjacent cells, and 0＜q Δ n＜1, as shown from the above formula, when on super material cell, the refractive index variable quantity of adjacent cells size is identical, identical for the electromagnetic deflection angle that is transferred to this position, refractive index variable quantity is larger, and deflection angle is larger.
There are following relation in the refractive index of material and its dielectric constant and magnetic permeability:
Wherein k is proportionality coefficient, the k value is positive and negative 1, and ε is the dielectric constant of material, and u is the magnetic permeability of material, by the accurate design to the DIELECTRIC CONSTANT ε of every bit in super material space, can realize the electromagnetic wave that sent by emission source after super material refraction parallel ejaculation converge characteristic.
Some artificial micro-structurals can realize by the artificial technology, can be by manually the artificial micro-structural with certain electric magnetic characteristic being designed, plate shape substrates is divided into a plurality of unit, the base material in each unit be attached to the effective dielectric constant ε of the artificial micro-structural on this unit and the system of selection of equivalent permeability μ is:
By Computer Simulation and experiment test, first preset the distance of emission source and super material cell, unit of preliminary election (comprise the base material in this unit and be attached to the artificial micro-structural that has certain geometrical shape on base material) is as the unit of center, the electromagnetic electromagnetic property that some unit (the artificial micro-structural that comprises various geometric) response emission source sends is measured, the electromagnetic response curve that storage measures is determined effective dielectric constant and the equivalent permeability of various different units structures and is present in a database; Then according to formula S in θ=q Δ n, (referring to Metamaterials:Theory, Design, and Applications, Publisher:Springer, ISBN 1441905723,75 pages-76 pages), for different deflection angles, determine the variable quantity of refractive index, determine the refractive index at different radii place, select qualified cellular construction according to the relation of refractive index and dielectric constant and magnetic permeability from database.
The pattern of artificial micro-structural can be two dimension, also can be three-dimensional structure, and " work " font that is not limited to use in this embodiment can be also other geometry, and wherein different artificial micro-structurals can be that pattern is identical, but its design size is different; Can be also that pattern and design size are all not identical.The quantity that consists of the substrate of super material can increase as required and can subtract, and the structure of each plate base can be identical, also can be different, as long as can parallel ejaculation after the satisfied electromagnetic wave that is sent by antenna element is propagated through super material cell.
One surpass material cell 103 by using to add at the antenna element front end, thereby most of electromagnetic wave that radiating doublet 102 produces is converged via super material cell refraction, and the remainder electromagnetic wave that radiating doublet 102 produces is reflexed to super material cell 103 through reflector element 101 and refraction is converged same, thereby greatly reduced the width of radiated wave lobe, the gain of antenna for base station 10 is significantly improved, guaranteed that the signal strength signal intensity of antenna for base station is to guarantee reception and the emission as the mobile communication radio magnetic wave.
Can be that antenna energy is concentrated due to antenna element based on super material cell, therefore reaching identical marker antenna unit, its volume can greatly reduce, and employing SOC (system on a chip) (SOC) technology also reduces the volume of outdoor unit, when therefore both being arranged at one.Greatly reduced the volume and weight of exterior aerial device.Make the miniaturization of integrated antenna equipment volume, and test will make its application more efficient.
Be more than the description to the embodiment of the present invention, do not break away within change under aim of the present invention all belongs to protection of the present invention.
Claims (10)
1. the base station system of an Applied Digital microwave, comprise NodeB sending and receiving stations, digital subscriber line and two digital microwave devices, described two digital microwave devices respectively with described digital subscriber line be connected the NodeB sending and receiving stations and be connected, described two digital microwave devices connect through microwave communication.
2. the base station system of Applied Digital microwave according to claim 1, is characterized in that, also comprises the landline telephone and the wisdom messaging device that are connected with described digital subscriber line.
3. the base station system of Applied Digital microwave according to claim 2, is characterized in that, also comprises the base station that is connected with described digital subscriber line.
4. the base station system of Applied Digital microwave according to claim 2, is characterized in that, also comprises the mobile communication terminal that is connected with described base station communication.
5. according to claim 1 to the base station system of the 4 described Applied Digital microwaves of any one, it is characterized in that, described digital microwave device comprises outdoor unit, indoor unit and antenna element, and described outdoor unit is connected with described antenna element with described indoor unit respectively; Described digital microwave device is connected with described digital subscriber line, described internet network respectively by described indoor unit.
6. the base station system of Applied Digital microwave according to claim 5, is characterized in that, described antenna element comprises at least one radiating doublet and one surpass material cell, and described super material cell is used for described electromagnetic wave signal refraction is converged.
7. the base station system of Applied Digital microwave according to claim 6, it is characterized in that, described antenna element also comprises a reflector element, the remainder reflection of electromagnetic wave that is used for described at least one radiating doublet is produced is to super material cell, and described super material cell is used for this part electromagnetic wave is also together converged backward external radiation.
8. the base station system of the according to claim 6 or 7 described Applied Digital microwaves of any one, it is characterized in that, the refractive index of described super material cell is maximum on perpendicular to the central shaft of this super material cell, take central shaft as the center of circle, increase along with radius, refractive index diminishes gradually and the variable quantity of refractive index increases gradually, and the refractive index at same radius place is identical, and the central shaft that described radiating doublet is positioned at described super material cell upwards.
9. the base station system of Applied Digital microwave according to claim 8, it is characterized in that, described super material cell comprises by a plurality of super sheet of material stacks and forming, and each super sheet of material comprises flat substrates and is attached to a plurality of artificial micro-structural on this flat substrates.
10. exterior aerial device according to claim 8, is characterized in that, the refractive index of described each super sheet of material central spot is maximum, take central point as the center of circle, along with the increase of radius, refractive index diminishes gradually and the variable quantity of refractive index increases gradually, and the refractive index at same radius place is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110338099.2A CN103096520B (en) | 2011-10-31 | 2011-10-31 | Using the base station system of digital microwave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110338099.2A CN103096520B (en) | 2011-10-31 | 2011-10-31 | Using the base station system of digital microwave |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103096520A true CN103096520A (en) | 2013-05-08 |
| CN103096520B CN103096520B (en) | 2018-04-20 |
Family
ID=48208481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110338099.2A Active CN103096520B (en) | 2011-10-31 | 2011-10-31 | Using the base station system of digital microwave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103096520B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800447A (en) * | 2017-10-20 | 2018-03-13 | 云南电网有限责任公司怒江供电局 | A kind of GPRS group network systems based on lobe control technology |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1439233A (en) * | 2000-06-30 | 2003-08-27 | 索马网络公司 | Contrl channel for wireless digital subscirber line system |
| CN101262656A (en) * | 2007-09-26 | 2008-09-10 | 美商威睿电通公司 | Millimicro micro-honeycomb base station with mobile platform capability |
| US20080267114A1 (en) * | 2007-04-30 | 2008-10-30 | Interdigital Technology Corporation | HOME (e)NODE-B WITH NEW FUNCTIONALITY |
| CN101437319A (en) * | 2007-11-16 | 2009-05-20 | 中兴通讯股份有限公司 | Integration apparatus for micro base station |
| CN101587990A (en) * | 2009-07-01 | 2009-11-25 | 东南大学 | Broad band cylindrical lens antenna based on artificial electromagnetic materials |
| CN101699659A (en) * | 2009-11-04 | 2010-04-28 | 东南大学 | Lens antenna |
| CN102098080A (en) * | 2009-12-09 | 2011-06-15 | 京信通信系统（中国）有限公司 | Digital microwave radio remote unit coverage system and method |
-
2011
- 2011-10-31 CN CN201110338099.2A patent/CN103096520B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1439233A (en) * | 2000-06-30 | 2003-08-27 | 索马网络公司 | Contrl channel for wireless digital subscirber line system |
| US20080267114A1 (en) * | 2007-04-30 | 2008-10-30 | Interdigital Technology Corporation | HOME (e)NODE-B WITH NEW FUNCTIONALITY |
| CN101262656A (en) * | 2007-09-26 | 2008-09-10 | 美商威睿电通公司 | Millimicro micro-honeycomb base station with mobile platform capability |
| CN101437319A (en) * | 2007-11-16 | 2009-05-20 | 中兴通讯股份有限公司 | Integration apparatus for micro base station |
| CN101587990A (en) * | 2009-07-01 | 2009-11-25 | 东南大学 | Broad band cylindrical lens antenna based on artificial electromagnetic materials |
| CN101699659A (en) * | 2009-11-04 | 2010-04-28 | 东南大学 | Lens antenna |
| CN102098080A (en) * | 2009-12-09 | 2011-06-15 | 京信通信系统（中国）有限公司 | Digital microwave radio remote unit coverage system and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800447A (en) * | 2017-10-20 | 2018-03-13 | 云南电网有限责任公司怒江供电局 | A kind of GPRS group network systems based on lobe control technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103096520B (en) | 2018-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Alibakhshikenari et al. | Dual-polarized highly folded bowtie antenna with slotted self-grounded structure for sub-6 GHz 5G applications | |
| Thummaluru et al. | Isolation and frequency reconfigurable compact MIMO antenna for wireless local area network applications | |
| Tan et al. | Design of a dual‐beam cavity‐backed patch antenna for future fifth generation wireless networks | |
| Haraz et al. | Low‐cost high gain printed log‐periodic dipole array antenna with dielectric lenses for V‐band applications | |
| CN110336137A (en) | A kind of impedance matching high-gain lens antenna and its design method | |
| Singh et al. | Isolation Enhancement of MIMO Antenna for Millimeter wave Applications | |
| Morsy et al. | Dual‐band meander‐line MIMO antenna with high diversity for LTE/UMTS router | |
| Rahayu et al. | High gain 5G MIMO antenna for mobile base station | |
| Su et al. | High‐gain broadside dipole planar AMC antenna for 60 GHz applications | |
| Sung | Closely spaced MIMO antenna based on substrate‐integrated waveguide technology | |
| El Yassini et al. | Design of circular patch antenna with a high gain by using a novel artificial planar dual‐layer metamaterial superstrate | |
| CN102480019A (en) | Metamaterial antenna | |
| CN102891373B (en) | Base station antenna made of metamaterial | |
| CN103036035B (en) | Outdoor antenna device | |
| CN103096520A (en) | Base station system through application of digital microwaves | |
| Ren et al. | A partially reflecting surface antenna with a non-resonant cavity and a phase-correcting surface for gain enhancement | |
| Zhang et al. | Omnidirectional oversized annular lens antenna with high gain for 5G millimeter‐wave channel measurement | |
| CN103036036B (en) | Exterior aerial device | |
| CN102810755A (en) | Metamaterial antenna | |
| Han et al. | A coding optimized polarization conversion metasurface in broadband and wide‐angle | |
| CN103036041B (en) | Base station antenna | |
| Ahmed et al. | Design of a Compact Transparent Antenna for 5GWireless Applications | |
| Wang et al. | Broadband low‐profile monopole antenna design with coplanar waveguide, substrate integrated waveguide, and slots based on characteristic mode theory | |
| Pattar et al. | Design of Metamaterial Based Patch Antenna for Gain Enhancement | |
| CN102800984B (en) | Metamaterial antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |