CN201860460U - Novel smart antenna coupling calibration network containing RCU (remote control unit) control circuit - Google Patents
Novel smart antenna coupling calibration network containing RCU (remote control unit) control circuit Download PDFInfo
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- CN201860460U CN201860460U CN2010206262109U CN201020626210U CN201860460U CN 201860460 U CN201860460 U CN 201860460U CN 2010206262109 U CN2010206262109 U CN 2010206262109U CN 201020626210 U CN201020626210 U CN 201020626210U CN 201860460 U CN201860460 U CN 201860460U
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- control circuit
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- rcu
- antenna coupling
- coupling calibration
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Abstract
The utility model discloses a novel smart antenna coupling calibration network containing an RCU (remote control unit) control circuit. The novel smart antenna coupling calibration network comprises a directional coupler, a power divider and the RCU control circuit; the novel smart antenna coupling calibration network also comprises an LC (Inductance and Capacitance) circuit; a capacitor end of the LC circuit is connected with the power divider, an inductor end is connected with the RCU control circuit, and a third end is connected with a radio frequency calibration end of a base station; therefore, the integration framework of the coupling calibration network and the RCU control circuit can be realized. With the adoption of the novel smart antenna coupling calibration network, the design method that the input end of the RCU control circuit is integrated with the calibration end of the coupling calibration network is adopted, so that the building cost of the base station can be effectively reduced; meanwhile, by additionally arranging a branching unit, the independent calibration in two communication systems can be supported; in addition, the novel smart antenna coupling calibration network also has the characteristics of reasonable structure and superior electric performance and the like, so that the application prospect is broad.
Description
Technical field
The utility model relates to the antenna of mobile communication base station field, especially relates to a kind of novel intelligent antenna coupling calibration networks of the RCU of comprising control circuit.
Background technology
Along with mobile communication business, the especially fast development of mobile data services, smart antenna communication become a kind of important development trend, as the smart antenna in the TD-SCDMA system, are typical case's representatives of intelligent antenna technology.Coupling calibration networks is as one of critical component of antenna system, and (beamforming) has very important effect to the antenna system wave beam forming.
The coupling calibration networks of normal procedure intelligent antenna mainly has the following disadvantages: the coupling calibration networks and the RCU control circuit of (1) normal procedure intelligent antenna are taked the separate type design, this has increased the cost that antenna for base station is built on the one hand, makes that on the other hand staff's far-end control flow is too loaded down with trivial details; (2) normal procedure intelligent antenna calibration circuit function is single relatively, can only be used for the calibration of same standard system with the time, along with the proposition of multisystem coexistence, mode can't satisfy the demand of multi-standard base station equipment at present, and later stage network upgrade and transition are had certain limitation.
Therefore, at the deficiency of the above normal procedure intelligent antenna coupling calibration networks, be necessary its performance is made improvement.
The utility model content
At the problems referred to above, the purpose of this utility model is to provide a kind of novel intelligent antenna coupling calibration networks of the RCU of comprising control circuit.
The utility model is that the technical scheme that its technical problem of solution is adopted is:
A kind of novel intelligent antenna coupling calibration networks that comprises the RCU control circuit, comprise directional coupler, power divider and RCU control circuit, it is characterized in that: also comprise lc circuit, electric capacity one end of described lc circuit connects power divider, inductance one end connects the RCU control circuit, the 3rd end links base station RF calibration end, to realize the integrated framework of described coupling calibration networks and RCU control circuit.
As the further improvement of such scheme, described lc circuit comprises some inductance and capacity cell, and described inductance is connected by the serial or parallel connection mode with electric capacity.
Further, described lc circuit is linked together and constitutes by being etched in microstrip line on the printed circuit board by inductance and capacity cell, and comprises DC earthing or gas discharge tube.
Further, the connection configuration mode of described directional coupler, power divider and lc circuit is placed different taking various forms according to the antenna element space, and concrete compound mode is rectangle, circle or polygon.
Further, described directional coupler and power divider are provided with the open circuit minor matters on the branch road of coupled end place.
Further, the input of described directional coupler and the calibration terminal of lc circuit all are connected with splitter, and described splitter is with frequency splitter or alien frequencies splitter.
In addition, the quantity of described open circuit minor matters is at least 1 the tunnel.
The beneficial effects of the utility model are: the utility model is as a kind of novel intelligent antenna coupling calibration networks that comprises the RCU control circuit, on the one hand, owing to take the incorporate design of calibration terminal of RCU control circuit input and coupling calibration networks, the base station only needs to load OOK signal and direct voltage at calibration port, just can realize the adjusting at antenna calibration and remote antenna electrical tilt angle simultaneously, so just, can effectively reduce the base station construction cost, and the staff only need be by just adjustable antenna inclination angle of long-range background net management system; On the other hand, the utility model is considered the demand that the later stage base station system is fed back altogether, increase splitter or mixer at antenna coupling calibration networks end, with a surface antenna sharing application in two kinds of similar and different mobile communication system, as TD-SCDMA and TD-LTE, and support two kinds of communication standards independently to calibrate; In addition, the utility model also has characteristics such as rational in infrastructure and superior electrical property, therefore has a extensive future.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described further:
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the utility model structural representation that the calibration mouth comprises splitter;
Fig. 3 is the utility model structural representation that circuit comprises the minor matters of opening a way;
Fig. 4 is the utility model structural representation that comprises open circuit minor matters and calibration mouthful integrated splitter;
Fig. 5 is the utility model structural representation that comprises open circuit minor matters and the integrated splitter in input port;
Fig. 6 is by the utility model lc circuit simple structure schematic diagram;
Fig. 7 is by the utility model directional coupling structure schematic diagram;
Fig. 8 is by the utility model splitter structural representation.
Embodiment
With reference to Fig. 1-Fig. 8, a kind of novel intelligent antenna coupling calibration networks that comprises the RCU control circuit, comprise directional coupler 1, power divider 2 and RCU control circuit 3, it also comprises lc circuit 4, electric capacity one end of described lc circuit 4 connects power divider 2, inductance one end connects RCU control circuit 3, the three ends and links base station RF calibration end, to realize the integrated framework of described coupling calibration networks and RCU control circuit 3.
As the utility model preferred embodiment, described lc circuit 4 comprises some inductance and capacity cell, and described inductance is connected by the serial or parallel connection mode with electric capacity.
Further, described lc circuit 4 is linked together and constitutes by being etched in microstrip line on the printed circuit board by inductance and capacity cell, and comprises DC earthing or gas discharge tube.
The connection configuration mode of described directional coupler 1, power divider 2 and lc circuit 4 is placed different taking various forms according to the antenna element space, and concrete compound mode is rectangle, circle or polygon.
Described directional coupler 1 is provided with open circuit minor matters 5 on the branch road of coupled end place, the calibration terminal of the input of directional coupler 1 and lc circuit 4 all is connected with splitter 6, described splitter 6 is with frequency splitter or alien frequencies splitter, and the output branch road of described power divider 2 is provided with open circuit minor matters 5.
The quantity of described open circuit minor matters 5 is at least 1 the tunnel.
The purpose of this utility model is to propose a kind of RCU(of comprising remote control unit) the novel coupling calibration networks of smart antenna of control circuit and a kind of calibration circuit that applies to this scene is provided on this basis, the utility model is on existing coupling calibration networks basis, increase RCU control circuit interface, coupling calibration networks and RCU control circuit are connected as one, control the RCU running by rf input port, connection mixer mode described in the utility model also can realize the independent calibration and the RCU control of different systems antenna different time.
Fig. 2 is to be example with eight antenna elements, increase the utility model schematic diagram of splitter 6 at calibration port, when the antenna rf inputs has the radiofrequency signal input, just can observe each channel input signal through intensity and phase place behind the directional coupler 1 by calibration port, at calibration mouthful load-modulate signal and direct voltage, can control the running of RCU control circuit 3 simultaneously simultaneously, perhaps opposite, the restituted signal of base station by obtaining read antenna electronics angle of declination this moment.This kind form of the present utility model can be supported the output of two-way calibrating signal simultaneously.
Fig. 3 is to be example with eight antenna elements equally, increase open circuit minor matters 5, when the coupling calibration networks input has the radiofrequency signal input, by changing the electric size of open circuit minor matters 5, change directional coupler 1 coupling branch road distributed capacitance C and inductance L, change phase velocity V with this, make the mould and the phase place of directional coupler 1 coupling output circuit parameter change, each input port of coupling calibration networks to the amplitude and the phase place of calibration port transmission parameter there is certain regulating action, and by the lc circuit of calibration mouthful cascade, the running of the built-in RCU of may command.
Fig. 4 is on the basis of Fig. 3, at calibration mouthful increase splitter 6, this mode can be supported the calibration of two base station equipments simultaneously, and can control the work of at least two group RCU simultaneously by two different calibration mouthful D and D ', and this RCU can be used for the control operation of two kinds of standard systems.
In Fig. 5, increased splitter 6 at each rf input port, be used for the different systems system and share same coupling calibration networks.Directional coupler 1 input is expanded to two, dock the different systems system respectively, calibrate mouthful D and D ' as described in Figure 6, corresponding stand-alone base station calibration port, and RCU can be used for the remote control operation of two kinds of standard systems.Under above-described precondition, by background net management or control unit the antenna electronics angle of declination is adjusted, thereby reached purpose by calibration port Long-distance Control antenna electronics inclination angle.
Fig. 6 is described lc circuit 4 the simplest schematic diagrames, and port A is used for the output of RF calibration signal, port B output modulation signal and direct voltage, and port C is connected to power divider 2; Fig. 7 is a directional coupler 1, each antenna element can only connect a directional coupler 1, by the combination of many groups directional coupler 1, constitutes smart antenna unit coupling calibration networks, the port E external antenna of directional coupler 1, port E ' links to each other with the base station radio-frequency input; Fig. 8 is the antenna calibration network splitter unit when being used for two-band or double-standard system antenna, and this mode can reduce the coupling calibration networks number.
Embodiment is a better embodiment of the present utility model as mentioned above; be not to be used for limiting practical range of the present utility model; allly anyly do not deviate from that the equalization that principle of the present utility model does changes, combination, substitute etc., all belong within the utility model claim scope required for protection.
Claims (8)
1. novel intelligent antenna coupling calibration networks that comprises the RCU control circuit, comprise directional coupler (1), power divider (2) and RCU control circuit (3), it is characterized in that: also comprise lc circuit (4), electric capacity one end of described lc circuit (4) connects power divider (2), inductance one end connects RCU control circuit (3), the 3rd end links base station RF calibration end, to realize the integrated framework of described coupling calibration networks and RCU control circuit (3).
2. a kind of novel intelligent antenna coupling calibration networks that comprises the RCU control circuit according to claim 1, it is characterized in that: described lc circuit (4) comprises some inductance and capacity cell, and described inductance or electric capacity connect by the serial or parallel connection mode.
3. a kind of novel intelligent antenna coupling calibration networks that comprises the RCU control circuit according to claim 2 is characterized in that: described lc circuit (4) is linked together and constitutes by being etched in microstrip line on the printed circuit board by inductance and capacity cell.
4. according to claim 1,2 or 3 described a kind of novel intelligent antenna coupling calibration networks that comprise the RCU control circuit, it is characterized in that: the connection configuration mode of described directional coupler (1), power divider (2) and lc circuit (4) is rectangle, circle or polygon.
5. a kind of novel intelligent antenna coupling calibration networks that comprises the RCU control circuit according to claim 1 is characterized in that: described directional coupler (1) and power divider (2) are provided with open circuit minor matters (5) on the branch road of coupled end place.
6. according to claim 1,2 or 3 described a kind of novel intelligent antenna coupling calibration networks that comprise the RCU control circuit, it is characterized in that: the calibration terminal of the input of described directional coupler (1) and lc circuit (4) all is connected with splitter (6).
7. a kind of novel intelligent antenna coupling calibration networks that comprises the RCU control circuit according to claim 6 is characterized in that: described splitter (6) is with frequency splitter or alien frequencies splitter.
8. according to claim 5 or 7 described a kind of novel intelligent antenna coupling calibration networks that comprise the RCU control circuit, it is characterized in that: the quantity of described open circuit minor matters (5) is at least 1 the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206262109U CN201860460U (en) | 2010-11-26 | 2010-11-26 | Novel smart antenna coupling calibration network containing RCU (remote control unit) control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206262109U CN201860460U (en) | 2010-11-26 | 2010-11-26 | Novel smart antenna coupling calibration network containing RCU (remote control unit) control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN201860460U true CN201860460U (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206262109U Expired - Lifetime CN201860460U (en) | 2010-11-26 | 2010-11-26 | Novel smart antenna coupling calibration network containing RCU (remote control unit) control circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013929A (en) * | 2010-11-26 | 2011-04-13 | 广东通宇通讯股份有限公司 | Novel intelligent antenna coupling calibration network containing RCU control circuit |
| CN103746755A (en) * | 2013-12-27 | 2014-04-23 | 摩比天线技术（深圳）有限公司 | Calibration network of TD intelligent antenna |
| CN106803774A (en) * | 2015-11-26 | 2017-06-06 | 北京信威通信技术股份有限公司 | Antenna and radio-frequency channel calibration system and method |
-
2010
- 2010-11-26 CN CN2010206262109U patent/CN201860460U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013929A (en) * | 2010-11-26 | 2011-04-13 | 广东通宇通讯股份有限公司 | Novel intelligent antenna coupling calibration network containing RCU control circuit |
| CN103746755A (en) * | 2013-12-27 | 2014-04-23 | 摩比天线技术（深圳）有限公司 | Calibration network of TD intelligent antenna |
| CN103746755B (en) * | 2013-12-27 | 2016-08-17 | 摩比天线技术（深圳）有限公司 | The calibration network of TD smart antenna |
| CN106803774A (en) * | 2015-11-26 | 2017-06-06 | 北京信威通信技术股份有限公司 | Antenna and radio-frequency channel calibration system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110608 Effective date of abandoning: 20140129 |
|
| RGAV | Abandon patent right to avoid regrant |