A kind of Massive MIMO electrical tilt antenna

文档序号:1774377 发布日期:2019-12-03 浏览:20次 中文

阅读说明:本技术 一种Massive MIMO电调天线 (A kind of Massive MIMO electrical tilt antenna ) 是由 朱彬彬 赵伟 张利华 姚想喜 卢宗兵 于 2019-08-28 设计创作,主要内容包括:一种Massive MIMO电调天线,包括物理移相部分和数字移相部分,物理移相部分包括从上至下依次连接设置的辐射单元模块、功分网络模块、移相器模块、连接结构模块、驱动装置和RET控制部分,辐射单元模块包括多组平行设置的辐射单元,功分网络模块包括多组平行设置的功分网络,移相器模块包括多个平行设置的移相器,连接结构模块包括多个平行设置的连接结构;单组中的复数个辐射单元并行且对应连接一组功分网络,单组的功分网络连接到一个移相器上,移相器分别对应连接连接结构,连接结构一并连接到驱动装置,驱动装置与RET控制部分电连接,连接结构分别连接驱动装置和移相器并带动移相器移动。本发明避免增加天线的端口数量,实现更广覆盖其波束扫描功能。(A kind of Massive MIMO electrical tilt antenna, including physics phase shifting part and digital phase shifting part, physics phase shifting part includes the radiating element module for being sequentially connected setting from top to bottom, power division network module, phase shifter module, connection structure module, driving device and the control section RET, radiating element module includes multiple groups radiating element disposed in parallel, power division network module includes multiple groups power division network disposed in parallel, phase shifter module includes multiple phase shifters disposed in parallel, and connection structure module includes multiple connection structures disposed in parallel;A plurality of radiating elements in single group are parallel and are correspondingly connected with one group of power division network, the power division network of single group is connected on a phase shifter, phase shifter is connected respectively connection structure, connection structure is connected to driving device together, driving device is electrically connected with the control section RET, and connection structure is separately connected driving device and phase shifter and drives phase shifter mobile.The present invention avoids increasing the port number of antenna, and realization more extensively covers its beam scanning function.)

1. a kind of Massive MIMO electrical tilt antenna, it is characterised in that: including physics phase shifting part (1) and digital phase shifting part (2), the physics phase shifting part (1) includes radiating element module (3), the power division network module for being sequentially connected setting from top to bottom (4), phase shifter module (5), connection structure module (6), driving device (7) and the control section RET (8), the radiating element mould Block (3) includes multiple groups radiating element disposed in parallel (9), and the power division network module (4) includes multiple groups function disposed in parallel point Network (10), the phase shifter module (5) include multiple phase shifters disposed in parallel (11), connection structure module (6) packet Include multiple connection structures disposed in parallel (12);

A plurality of radiating elements (9) in single group are parallel and are correspondingly connected with one group of power division network (10), the power division network of single group (10) it is connected on a phase shifter (11), the phase shifter (11) is connected respectively the connection structure (12), the company Binding structure (12) is connected to the driving device (7) together, and the driving device (7) is electrically connected with the control section RET (8), institute Connection structure (12) is stated to be separately connected the driving device (7) and phase shifter (11) and drive the phase shifter (11) mobile.

2. a kind of Massive MIMO electrical tilt antenna according to claim 1, it is characterised in that: the control section RET It (8) include signaling interface (801), telecommunication circuit, main control unit (802), antenna main equipment issues AISG protocol instructions by institute It states signaling interface (801) and telecommunication circuit transfers to the main control unit (802), main control unit (802), which analyzes the instruction, carries out letter It executes the instruction after number processing and send implementing result the driving device (7) to, driving device (7) passes through connection structure (12) it drives phase shifter (11) relative motion and changes the phase of the radiating element (9).

3. a kind of Massive MIMO electrical tilt antenna according to claim 2, it is characterised in that: the signaling interface It (801) is OOK/485.

4. a kind of Massive MIMO electrical tilt antenna according to claim 1, it is characterised in that: the power division network (10) Including one-to-two, one point three, one point four of implementation.

5. a kind of Massive MIMO electrical tilt antenna according to claim 4, it is characterised in that: the power division network (10) It is constituted by covering copper PCB or plastic cement plating.

6. a kind of Massive MIMO electrical tilt antenna according to claim 1, it is characterised in that: the radiating element (9) Mainly there are die casting, metal plate, PCB and plastic cement that several existence forms are electroplated, the radiating element (9) has multiple combinations and array side Formula.

7. a kind of Massive MIMO electrical tilt antenna according to claim 1, it is characterised in that: the connection structure (12) It is the structural member formed by metal or plastic cement or rigid material.

8. a kind of Massive MIMO electrical tilt antenna according to claim 1, it is characterised in that: the driving device (7) It is made of motor (13), master gear (14), pinion (15), screw rod (16), nut (17), pedestal (18), the pedestal (18) Motor (13), master gear (14), pinion (15), screw rod (16), nut (17) are fixedly connected, motor (13) the connection master Gear (14) and master gear (14) rotation is driven as driving force, the pinion (15) engages and be driven with master gear (14) Rotation, the screw rod (16) are fixedly connected with pinion (15) and are driven rotation, and the nut (17) is engaged with screw rod (16), Then motor (13) is converted into the translation of nut (17).

9. a kind of Massive MIMO electrical tilt antenna according to claim 1, it is characterised in that: the physics phase shifting part (1) calibration network is provided between digital phase shifting part (2).

Technical field

The present invention relates to 5G antenna technical field, in particular to a kind of Massive MIMO electrical tilt antenna.

Background technique

Currently, Massive mimo antenna is that 5G mobile communication is arranged net important component, large scale array antenna is utilized Can more accurately wave beam forming and space division multiplexing, improve network capacity and spectrum efficiency.Massive mimo antenna system Beam scanning can be carried out to horizontal and vertical directions and can adjust its beam direction enhancing region overlay, at present Massive mimo antenna mainly includes tri- kinds of forms of 16TR, 32TR, 64TR, the volume of Massive mimo antenna, power consumption, at This is also incremented by because of the increase of port number.

The digital phase shift that traditional Massive mimo antenna mainly passes through backstage main equipment realizes its beam scanning function (such as Figure 10), and to realize that wider this scanning mode of covering not can avoid the port number for increasing antenna, just not can avoid yet Increase antenna cost, how effectively to control antenna cost just at matter of utmost importance.

Summary of the invention

In view of this, the object of the present invention is to provide a kind of Massive to solve above-mentioned the deficiencies in the prior art MIMO electrical tilt antenna, avoids the port number for increasing antenna, and realization more extensively covers its beam scanning function, day can be effectively reduced Line cost accelerates propulsion 5G to build a station and arranges net.

To achieve the above object, the technical scheme adopted by the invention is that:

A kind of Massive MIMO electrical tilt antenna, including physics phase shifting part and digital phase shifting part, the physics phase shifting part Including be sequentially connected from top to bottom the radiating element module of setting, power division network module, phase shifter module, connection structure module, Driving device and the control section RET, the radiating element module include multiple groups radiating element disposed in parallel, the power division network Module includes multiple groups power division network disposed in parallel, and the phase shifter module includes multiple phase shifters disposed in parallel, the company Connecing construction module includes multiple connection structures disposed in parallel;

A plurality of radiating elements in single group are parallel and are correspondingly connected with one group of power division network, and the power division network of single group is connected to one On phase shifter, the phase shifter is connected respectively the connection structure, and the connection structure is connected to the driving dress together It sets, the driving device is electrically connected with the control section RET, and the connection structure is separately connected the driving device and phase shifter simultaneously Drive the phase shifter mobile.

Further, the control section RET includes signaling interface, telecommunication circuit, main control unit, and antenna main equipment issues AISG protocol instructions transfer to the main control unit by the signaling interface and telecommunication circuit, and main control unit analyzes the instruction progress The instruction is executed after signal processing and sends implementing result to the driving device, and driving device is driven by connection structure and moved The relative motion of phase device and the phase for changing the radiating element.

Further, the signaling interface is OOK/485.

Further, the power division network includes one-to-two, one point three, one point four of implementation.

Further, the power division network is constituted by covering copper PCB or plastic cement plating.

Further, the radiating element mainly has die casting, metal plate, PCB and plastic cement that several existence forms, the spoke is electroplated Unit is penetrated with multiple combinations and array manner.

Further, the connection structure is the structural member formed by metal or plastic cement or rigid material.

Further, the driving device is made of motor, master gear, pinion, screw rod, nut, pedestal, the pedestal Motor, master gear, pinion, screw rod, nut are fixedly connected, the motor connects master gear and drives main tooth as driving force Wheel rotation, the pinion engage with master gear and are driven rotation, and the screw rod, which is fixedly connected and is driven with pinion, to be turned Dynamic, the nut is engaged with screw rod, then motor is converted into the translation of nut.

Further, calibration network is provided between the physics phase shifting part and digital phase shifting part.

Compared with prior art, the beneficial effects of the present invention are:

A kind of Massive MIMO electrical tilt antenna of the invention, avoids the port number for increasing antenna, and realization more extensively covers its wave Antenna cost can be effectively reduced in beam scanning function, accelerates propulsion 5G to build a station and arranges net.It is in particular in:

The present invention increases physics phase shift in traditional Massive mimo antenna, is tied by radiating element, phase shifter, connection Structure, driving device, the sequentially connected combination in the control section RET realize physics phase shift, are not increasing antenna port number in this way In the case where realize the function of more port number antenna, Massive mimo antenna cost is effectively reduced;The present invention moves physics Mutually it is that electricity tune is integrated in Massive mimo antenna, is covered more in the case where realizing identical port number in conjunction with backstage digital phase shift Wide range meets needs of arranging net of building a station to a certain extent;

Wherein, antenna main equipment issues AISG protocol instructions and transfers to by the signaling interface and telecommunication circuit of the control section RET Main control unit, main control unit execute the instruction after analyzing the instruction progress signal processing and send implementing result to driving device, Driving device drives phase shifter relative motion by connection structure and changes the phase of radiating element, to realize that antenna physical moves The function of phase;

Phase shifter changes the phase value of array radiation unit in a network, realizes beam scanning;Change phase shift in feeding network Beam scanning or Inclination maneuver are realized to change the phase of radiating element for the position of device.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural diagram of the present invention;

Fig. 2 is the course of work schematic diagram of the control section RET;

Fig. 3 is the structural schematic diagram of driving device;

Fig. 4 is to change the position of phase shifter in embodiment in feeding network to change the structural representation of the phase of radiating element Figure;

Fig. 5 is the structural schematic diagram of the metal Coupling implementation of phase shifter;

Fig. 6 is the structural schematic diagram of the medium phase shift implementation of phase shifter;

Fig. 7 is the structural schematic diagram of the PCB coupling implementation of phase shifter;

Fig. 8 is the structural schematic diagram that calibration network is arranged in embodiment between physics phase shifting part and digital phase shifting part;

Fig. 9 is the structural schematic diagram for being not provided with calibration network in embodiment between physics phase shifting part and digital phase shifting part;

Figure 10 is the structural schematic diagram of tradition Massive mimo antenna;

Marked in the figure: 1, physics phase shifting part, 2, digital phase shift part, 3, radiating element module, 4, power division network module, 5, shifting Phase device module, 6, connection structure module, 7, driving device, 8, the control section RET, 801, signaling interface, 802, main control unit, 9, Radiating element, 10, power division network, 11, phase shifter, 12, connection structure, 13, motor, 14, master gear, 15, pinion, 16, spiral shell Bar, 17, nut, 18, pedestal.

Specific embodiment

Specific embodiment is given below, to technical solution of the present invention make further it is clear, complete, explain in detail.This Embodiment is most preferred embodiment based on the technical solution of the present invention, but protection scope of the present invention is not limited to following implementation Example.

As shown in Figure 1, a kind of Massive MIMO electrical tilt antenna, including physics phase shifting part 1 and digital phase shifting part 2, The physics phase shifting part 1 includes radiating element module 3, the power division network module 4, phase shifter for being sequentially connected setting from top to bottom Module 5, connection structure module 6, driving device 7 and the control section RET 8, the radiating element module 3 are arranged in parallel including multiple groups Radiating element 9, the power division network module 4 includes multiple groups power division network 10 disposed in parallel, and the phase shifter module 5 includes Multiple phase shifters disposed in parallel 11, the connection structure module 6 include multiple connection structures 12 disposed in parallel;

A plurality of radiating elements 9 in single group are parallel and are correspondingly connected with one group of power division network 10, and the power division network 10 of single group connects Onto a phase shifter 11, the phase shifter 11 is connected respectively the connection structure 12, and the connection structure 12 connects together It is connected to the driving device 7, the driving device 7 is electrically connected with the control section RET 8, and the connection structure 12 is separately connected institute It states driving device 7 and phase shifter 11 and drives the phase shifter 11 mobile.In the present invention, phase shifter 11 changes array in a network The phase value of radiating element 9 realizes beam scanning;Change the position of phase shifter 11 in feeding network to change radiating element 9 phase realizes beam scanning or Inclination maneuver.

Further, the power division network 10 includes one-to-two, one point three, one point four of implementation.In the present embodiment, The implementation that power division network 10 is one point three, cooperation radiating element 9, phase shifter 11 use.In the present embodiment, answering in single group Several radiating elements 9 are parallel and are correspondingly connected with one group of power division network 10, and the power division network 10 of single group is connected to a phase shifter 11 On, the phase shifter 11 is connected respectively the connection structure 12, and the connection structure 12 is connected to the driving dress together 7 are set, the driving device 7 is electrically connected with the control section RET 8, and the connection structure 12 is separately connected the driving device 7 and moves Phase device 11 simultaneously drives the phase shifter 11 mobile;I.e. generally antenna main equipment sends instructions to the control section RET 8, RET control Implementing result is fed back into antenna main equipment after the last signal processing in part 8.

Further, in the present embodiment, in the feeding network, radiating element 9 is connect with power division network 10, power division network 10 For one point of three power division network, power division network 10 is connect with phase shifter 11, and phase shifter 11 is connect with connection structure 12, connection structure 12 It is all connected in a driving device 7, driving device 7 is electrically connected with the control section RET 8 again, and then is realized antenna master and set It is standby connect with the control section RET 8 and transmitted in both directions instruct.And then driving device 7 drives 11 phase of phase shifter by connection structure 12 To the phase of movement and change radiating element 9, to realize the function of antenna physical phase shift, beam scanning.

Further, the control section RET 8 includes signaling interface 801, telecommunication circuit, main control unit 802, such as Fig. 2 institute Show, antenna main equipment issues AISG protocol instructions and transfers to the main control unit by the signaling interface 801 and telecommunication circuit 802, main control unit 802 executes the instruction after analyzing the instruction progress signal processing and sends implementing result to the driving device 7, driving device 7 drives 11 relative motion of phase shifter by connection structure 12 and changes the phase of the radiating element 9, thus real The function of existing antenna physical phase shift.

Further, the signaling interface 801 is OOK/485.

Further, as shown in figure 3, the driving device 7 is by motor 13, master gear 14, pinion 15, screw rod 16, spiral shell Mother 17, pedestal 18 form, and motor 13, master gear 14, pinion 15, screw rod 16, nut 17 are fixedly connected by the pedestal 18, institute State motor 13 connect master gear 14 and as driving force drive master gear 14 rotate, the pinion 15 engaged with master gear 14 and It is driven rotation, the screw rod 16 is fixedly connected with pinion 15 and is driven rotation, and the nut 17 is engaged with screw rod 16, then Motor 13 is converted into the translation of nut 17.Wherein, motor 13 mainly plays driving effect and is not limited to concrete specification and quantity, Master gear 14 and pinion 15 mainly play no-load voltage ratio function and also do not limit its quantity, size, fit system, and screw rod 16 and nut 17 are main Translation will be converted by, which plaing a part of, is also not limited to particular number and frame mode.In the present embodiment, motor 13, main tooth The parameters such as wheel 14, pinion 15, screw rod 16, the concrete specification of nut 17, model and quantity are according to the actual situation using selected.

Further, the power division network 10 is constituted by covering copper PCB or plastic cement plating.

Further, the radiating element 9 mainly has die casting, metal plate, PCB and plastic cement that several existence forms are electroplated, described Radiating element 9 has multiple combinations and array manner.

Further, the connection structure 12 is the structural member formed by metal or plastic cement or rigid material.Connection structure 12 specific constructive form and moulding can design according to the actual situation.

However, in the prior art, realizing its wave by digital phase shift for tradition Massive mimo antenna as shown in Figure 10 The schematic diagram of beam scanning function;The digital phase shift that traditional Massive mimo antenna mainly passes through backstage main equipment realizes its wave beam Scanning function, and the port number that realize that wider this scanning mode of covering not can avoid increase antenna just not can avoid increasing yet Add antenna cost, how effectively to control antenna cost just at matter of utmost importance.

Further, as shown in figure 8, being provided with calibration net between the physics phase shifting part 1 and digital phase shifting part 2 Network.As the scheme of optimization, in the present embodiment, can be divided into calibration network and without two kinds of practical application shapes of calibration network Formula can be selected according to the actual situation.As shown in Figure 8 and Figure 9.Therefore, compared with the prior art of above-mentioned Figure 10 performance, the present invention A kind of Massive MIMO electrical tilt antenna, compared to the port number for for tradition Massive mimo antenna, avoiding increase antenna Amount, realization more extensively cover its beam scanning function, and antenna cost can be effectively reduced, and accelerate propulsion 5G to build a station and arrange net.

In the present embodiment, phase shifter 11 changes the phase value of array radiation unit 9 in a network, realizes beam scanning;Such as Shown in lower Fig. 4, change the position of 3 phase shifters 11 in feeding network to change the phase of radiating element 9, realizes that wave beam is swept It retouches or Inclination maneuver.The implementation of 3 phase shifters 11 can be metal Coupling, medium phase shift, PCB coupling or other means, But principle is all to change its relative position and realize its function.It is illustrated in figure 5 the metal Coupling implementation of phase shifter 11 Structural schematic diagram;It is illustrated in figure 6 the structural schematic diagram of the medium phase shift implementation of phase shifter 11;It is illustrated in figure 7 phase shift The structural schematic diagram of the PCB coupling implementation of device 11.

In conclusion in the present invention, wherein antenna main equipment issues the letter that AISG protocol instructions pass through the control section RET Number interface and telecommunication circuit transfer to main control unit, main control unit analyzes the instruction carry out signal processing after execute the instruction and will hold Row result sends driving device to, and driving device drives phase shifter relative motion by connection structure and changes the phase of radiating element Position, to realize the function of antenna physical phase shift;In addition, phase shifter changes the phase value of array radiation unit in a network, it is real Existing beam scanning;Change the position of phase shifter in feeding network to change the phase of radiating element, realize beam scanning or Inclination maneuver.

A kind of Massive MIMO electrical tilt antenna of the invention only leans on digital phase shift phase with traditional Massive mimo antenna Than the invention avoids the port numbers for increasing antenna, realize wider its beam scanning function of covering, day can be effectively reduced Line cost accelerates propulsion 5G to build a station and arranges net.The present invention increases physics phase shift in traditional Massive mimo antenna, passes through spoke It penetrates unit, phase shifter, connection structure, driving device, the sequentially connected combination in the control section RET and realizes physics phase shift, this Sample realizes the function of more port number antenna in the case where not increasing antenna port number, and Massive mimo antenna is effectively reduced Cost;Physics phase shift is that electricity tune is integrated in Massive mimo antenna by the present invention, is realized in conjunction with backstage digital phase shift identical Wide range is covered in the case where port number meets needs of arranging net of building a station to a certain extent.

Main feature of the invention, basic principle and advantages of the present invention has been shown and described above.Industry technology Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, the present invention can also have various change according to the actual situation And improvement, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended Claims and its equivalent thereof.

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