CN102395226A - Active antenna system, base station and communication system - Google Patents
Active antenna system, base station and communication system Download PDFInfo
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Abstract
本发明实施例公开了一种有源天线系统、基站和通信系统，能够使天线和射频拉远单元集成为一体，同时又便于快速装连，也不影响天线和射频拉远单元各自单独的认证。本发明实施例提供的有源天线系统包括：天线、射频拉远单元RRU和内部连接单元，其中，所述天线与所述射频拉远单元的内部之间通过所述内部连接单元相连接，所述内部连接单元用于实现所述天线和所述射频拉远单元之间的信号传输；所述天线与所述射频拉远单元之间为可拆卸连接；所述天线与所述射频拉远单元的接合界面为密封连接。
The embodiment of the present invention discloses an active antenna system, a base station and a communication system, which can integrate the antenna and the remote radio unit into one, and at the same time facilitate quick installation and connection, without affecting the individual authentication of the antenna and the remote radio unit . The active antenna system provided by the embodiment of the present invention includes: an antenna, a remote radio unit RRU, and an internal connection unit, wherein the antenna is connected to the interior of the remote radio unit through the internal connection unit, so The internal connection unit is used to realize signal transmission between the antenna and the remote radio unit; the antenna and the remote radio unit are detachably connected; the antenna and the remote radio unit The bonding interface is a sealed connection.
Description
技术领域 technical field
本发明涉及天线技术领域，尤其涉及一种有源天线系统、基站和通信系统。The invention relates to the technical field of antennas, in particular to an active antenna system, a base station and a communication system.
背景技术 Background technique
随着无线技术的发展，天线与射频拉远单元(RRU，Radio Remote Unit)高度集成设计将成为日后发展的一种新型设计方案的趋势。With the development of wireless technology, the highly integrated design of antenna and remote radio unit (RRU, Radio Remote Unit) will become a new design trend in the future.
现有技术中的有源天线系统(AAS，Active Antenna System)包括分别为独立设计的天线部分与RRU部分两个单元，两者之间通过馈线连接进行信号传输，如图1所示，传统的天线和RRU分别是独立布局，两者通过外部的一根馈线进行信号传输。显然现有技术中存在的天线和RRU独立设计的方案无法满足天线与RRU高度集成的新型设计方案需求。另外，现有技术中对天线和RRU的认证测试方法和相关的认证标准仍然是分别针对独立的天线和RRU进行的，因此亟待提出一种既能够使天线和RRU高度集成的设计方案以适应有源天线系统朝大功率、小型化、高热耗、低成本的方向发展，同时仍能够满足分别针对天线和RRU各自单独的认证测试方法和相关的认证标准。The active antenna system (AAS, Active Antenna System) in the prior art includes two units, the antenna part and the RRU part, which are independently designed, and the signal transmission is performed through the feeder connection between the two, as shown in Figure 1, the traditional Antennas and RRUs are arranged independently, and the two transmit signals through an external feeder. Apparently, the independent design scheme of antenna and RRU existing in the prior art cannot meet the requirements of the new design scheme of high integration of antenna and RRU. In addition, the certification test methods and related certification standards for antennas and RRUs in the prior art are still carried out separately for independent antennas and RRUs. Therefore, it is urgent to propose a design scheme that can make antennas and RRUs highly integrated to adapt to existing technologies. The source antenna system is developing in the direction of high power, miniaturization, high heat consumption, and low cost, while still being able to meet the separate certification test methods and related certification standards for antennas and RRUs.
发明内容 Contents of the invention
本发明提供了一种有源天线系统、基站和通信系统，能够使天线和射频拉远单元集成为一体，同时又便于快速装连，也不影响天线和射频拉远单元各自单独的认证。The present invention provides an active antenna system, a base station and a communication system, which can integrate the antenna and the remote radio unit into one body, and at the same time facilitate fast installation and connection without affecting the independent authentication of the antenna and the remote radio unit.
本发明一方面提供一种有源天线系统，包括：天线、射频拉远单元RRU和内部连接单元，其中，One aspect of the present invention provides an active antenna system, including: an antenna, a radio remote unit RRU and an internal connection unit, wherein,
所述天线与所述射频拉远单元的内部之间通过所述内部连接单元相连接，所述内部连接单元用于实现所述天线和所述射频拉远单元之间的信号传输；The antenna is connected to the inside of the remote radio unit through the internal connection unit, and the internal connection unit is used to realize signal transmission between the antenna and the remote radio unit;
所述天线与所述射频拉远单元之间为可拆卸连接；The antenna is detachably connected to the remote radio unit;
所述天线与所述射频拉远单元的接合界面为密封连接。The bonding interface between the antenna and the radio remote unit is in a sealed connection.
一种可选的实现方式，所述射频拉远单元包括：散热器、印制电路板PCB、屏蔽盖和滤波器；In an optional implementation manner, the radio remote unit includes: a radiator, a printed circuit board PCB, a shielding cover, and a filter;
所述天线包括：馈电网络、反射板、天线阵子、天线罩和转接围框；The antenna includes: a feed network, a reflector, an antenna element, a radome and a transfer frame;
所述滤波器与所述内部连接单元的一端相连接，所述馈电网络与所述内部连接单元的另一端相连接，所述天线罩覆盖在所述馈电网络、所述反射板和所述天线阵子三者的表面，所述散热器和所述天线罩都连接在所述转接围框上，所述转接围框用于实现所述天线与所述射频拉远单元之间的可拆卸连接。The filter is connected to one end of the internal connection unit, the feed network is connected to the other end of the internal connection unit, and the radome covers the feed network, the reflector and the The surfaces of the three antenna elements, the radiator and the radome are connected to the transfer enclosure, and the transfer enclosure is used to realize the connection between the antenna and the radio remote unit Detachable connection.
另一种可选的实现方式，所述射频拉远单元包括：散热器、印制电路板PCB、屏蔽盖和滤波器；In another optional implementation manner, the radio remote unit includes: a radiator, a printed circuit board PCB, a shielding cover, and a filter;
所述天线包括：馈电网络、反射板、天线阵子和天线罩；The antenna includes: a feeding network, a reflector, an antenna element and a radome;
所述滤波器与所述内部连接单元的一端相连接，所述馈电网络与所述内部连接单元的另一端相连接，所述天线罩覆盖在所述馈电网络、所述反射板、所述天线阵子三者的表面，所述天线罩与所述散热器为可拆卸连接，以实现所述天线与所述射频拉远单元之间的可拆卸连接。The filter is connected to one end of the internal connection unit, the feed network is connected to the other end of the internal connection unit, and the radome covers the feed network, the reflector, the The surfaces of the three antenna elements, the radome and the heat sink are detachably connected, so as to realize the detachable connection between the antenna and the radio remote unit.
本发明另一方面提供一种基站，包括上述有源天线系统。Another aspect of the present invention provides a base station, including the above active antenna system.
本发明再一方面提供一种通信系统，包括上述基站。Another aspect of the present invention provides a communication system, including the foregoing base station.
从以上技术方案可以看出，本发明实施例具有以下优点：It can be seen from the above technical solutions that the embodiments of the present invention have the following advantages:
在本发明实施例中，有源天线系统的天线和射频拉远单元的内部通过内部连接单元进行信号传输，实现了天线和射频拉远单元的集成，天线与射频拉远单元之间为可拆卸连接，便于快速装连，能够满足对天线和射频拉远单元各自单独的认证，符合各自相关的认证标准。In the embodiment of the present invention, the antenna of the active antenna system and the radio remote unit carry out signal transmission through the internal connection unit, realizing the integration of the antenna and the radio remote unit, and the antenna and the radio remote unit are detachable The connection is convenient for fast installation and connection, and can meet the separate certifications for antennas and radio remote units, and meet their respective certification standards.
附图说明 Description of drawings
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域的技术人员来讲，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings.
图1为现有技术天线和射频拉远单元的连接示意图；FIG. 1 is a schematic diagram of connection between an antenna and a remote radio unit in the prior art;
图2为本发明实施例提供的一种有源天线系统中的天线和射频拉远单元的剖面示意图；FIG. 2 is a schematic cross-sectional view of an antenna and a remote radio unit in an active antenna system according to an embodiment of the present invention;
图3为本发明实施例提供的另一种有源天线系统中的天线和射频拉远单元的剖面示意图。Fig. 3 is a schematic cross-sectional view of an antenna and a remote radio unit in another active antenna system according to an embodiment of the present invention.
具体实施方式 Detailed ways
本发明实施例提供了一种有源天线系统、基站和通信系统，能够使天线和RRU集成为一体，同时又便于快速装连，也不影响天线和RRU各自单独的认证。Embodiments of the present invention provide an active antenna system, a base station, and a communication system, which can integrate the antenna and the RRU into one body, and at the same time facilitate fast installation and connection without affecting the individual authentication of the antenna and the RRU.
为使得本发明的发明目的、特征、优点能够更加的明显和易懂，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，下面所描述的实施例仅仅是本发明一部分实施例，而非全部实施例。基于本发明中的实施例，本领域的技术人员所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
本发明实施例提供的一种有源天线系统，可以包括：天线、射频拉远单元和内部连接单元，其中，An active antenna system provided by an embodiment of the present invention may include: an antenna, a radio remote unit, and an internal connection unit, wherein,
天线与射频拉远单元的内部之间通过内部连接单元相连接，内部连接单元用于实现天线和射频拉远单元之间的信号传输；The antenna and the remote radio unit are connected through an internal connection unit, and the internal connection unit is used to realize signal transmission between the antenna and the remote radio unit;
天线与射频拉远单元之间为可拆卸连接；The connection between the antenna and the remote radio unit is detachable;
天线与射频拉远单元的接合界面为密封连接。The bonding interface between the antenna and the remote radio unit is a sealed connection.
在实际应用中，一种可实现的方式为，本发明实施例提供的有源天线系统中的天线与射频拉远单元的接合界面可以通过胶条、涂胶中的至少一种实现密封连接。In a practical application, an achievable manner is that the bonding interface between the antenna and the radio remote unit in the active antenna system provided by the embodiment of the present invention can be sealed and connected by at least one of adhesive tape and glue coating.
在实际应用中，内部连接单元具体可以为连接器或线缆或跳线等其中的至少一个，当然在具体应用中还存在其它可以作为内部连接单元的设备，只要能够实现天线和射频拉远单元之间的信号传输即可，其中，内部连接单元可以实现有源天线系统内部的可拆卸，例如，当天线与射频拉远单元之间需要拆卸时，内部连接单元可以从天线上拆卸下来而保留与射频拉远单元的连接，内部连接单元也可以从射频拉远单元上拆卸下来而保留与天线的连接，内部连接单元还可以从天线上拆卸下来，同时从射频拉远单元上拆下来，具体的实施方式由具体的场景决定，此处不做限定。In practical applications, the internal connection unit can be at least one of connectors, cables, or jumpers. Of course, there are other devices that can be used as internal connection units in specific applications, as long as the antenna and remote radio unit can be realized. The signal transmission between them is enough. Among them, the internal connection unit can realize the detachment inside the active antenna system. For example, when the antenna and the radio remote unit need to be disassembled, the internal connection unit can be detached from the antenna and kept For the connection with the remote radio unit, the internal connection unit can also be disassembled from the remote radio unit while retaining the connection with the antenna. The internal connection unit can also be detached from the antenna and at the same time removed from the remote radio unit. The implementation method is determined by the specific scenario and is not limited here.
在实际应用中，一种可实现的方式是，如图2所示，有源天线系统为一长方体，将该有源天线系统沿着天线与射频拉远单元的接合界面从上向下作剖面图，假设前面为天线，后面为射频拉远单元，将射频拉远单元向下翻转180度即可得到如图2所示的天线和射频拉远单元的剖视图。射频拉远单元201具体可以包括：散热器203、印制电路板204(PCB，Printed Circuit Board)、屏蔽盖205和滤波器206。天线202具体可以包括：馈电网络209、反射板210、天线阵子211、天线罩212和转接围框207。其中，In practical applications, one possible way is that, as shown in Figure 2, the active antenna system is a cuboid, and the active antenna system is sectioned from top to bottom along the joint interface between the antenna and the remote radio unit As shown in Figure 2, it is assumed that the front is the antenna and the back is the remote radio unit. Turn the remote radio unit 180 degrees downward to obtain the cross-sectional view of the antenna and the remote radio unit as shown in Figure 2. The
滤波器206与内部连接单元208的一端相连接，馈电网络209与内部连接单元208的另一端相连接，天线罩212覆盖在馈电网络209、反射板210、天线阵子211三者的表面，散热器203和天线罩212都连接在转接围框207上，转接围框207用于实现天线202与射频拉远单元201之间的可拆卸连接。其中，屏蔽盖205和滤波器206可以是固定连接，滤波器206可以固定在屏蔽盖205上，天线阵子211可以与馈电网络209、反射板210相连接，屏蔽盖205可以覆盖在印制电路板204上，起到屏蔽信号和保护印制电路板204的作用。散热器203、天线罩212和转接围框207可以共同构成本实施例提供的有源天线系统的外围面，使该有源天线系统为天线和RRU集成一体化结构。The
需要说明的是，在图2中给出了2个内部连接单元，此处只是举例而已，当然内部连接单元的个数由具体的应用场景决定，此处不再赘述。It should be noted that two internal connection units are shown in FIG. 2 , which is just an example here. Of course, the number of internal connection units is determined by specific application scenarios, and will not be repeated here.
本发明实施例中的转接围框207属于天线202的一部分，转接围框207与天线202中的天线罩212相连接，并且转接围框207与射频拉远单元201中的散热器203相连接，本发明实施例中的天线202和射频拉远单元201的可拆卸连接通过转接围框207实现，当天线202与射频拉远单元201之间需要拆卸时，将散热器203从转接围框207上拆卸下来，即可将天线202与射频拉远单元201相分开，当天线202与射频拉远单元201之间需要组合时，将散热器203连接在转接围框207上，就能够将天线202与射频拉远单元201之间组合在一起，实现一体化集成。The
在实际应用中，另一种可实现的方式是，相比于前一实现方式，不需要转接围框，如图3所示，有源天线系统为一长方体，将该有源天线系统沿着天线与射频拉远单元的接合界面从上向下作剖面图，假设前面为天线，后面为射频拉远单元，将射频拉远单元向下翻转180度即可得到如图3所示的天线和射频拉远单元的剖视图，射频拉远单元301具体可以包括：散热器303、印制电路板304、屏蔽盖305和滤波器306。天线302具体可以包括：馈电网络309、反射板310、天线阵子311和天线罩312。其中，In practical applications, another achievable way is that, compared with the previous implementation way, there is no need to transfer the surrounding frame. As shown in Figure 3, the active antenna system is a cuboid, and the active antenna system along the Make a cross-sectional view from top to bottom according to the joint interface between the antenna and the remote radio unit. Assume that the front is the antenna and the remote radio unit is at the back. Turn the remote radio unit downward by 180 degrees to get the antenna shown in Figure 3 and a cross-sectional view of the remote radio unit, the remote radio unit 301 may specifically include: a radiator 303 , a printed circuit board 304 , a shielding cover 305 and a filter 306 . The antenna 302 may specifically include: a feeding network 309 , a reflector 310 , an antenna element 311 and a radome 312 . in,
滤波器306与内部连接单元308的一端相连接，馈电网络309与内部连接单元308的另一端相连接，天线罩312覆盖在馈电网络309、反射板310和天线阵子311三者的表面，天线罩312与散热器303为可拆卸连接，以实现天线302与射频拉远单元301之间的可拆卸连接。The filter 306 is connected to one end of the internal connection unit 308, the feed network 309 is connected to the other end of the internal connection unit 308, and the radome 312 covers the surfaces of the feed network 309, the reflection plate 310 and the antenna element 311, The radome 312 is detachably connected to the radiator 303 to realize the detachable connection between the antenna 302 and the remote radio unit 301 .
其中，屏蔽盖305和滤波器306可以是固定连接，滤波器306固定在屏蔽盖305上，天线阵子311可以与馈电网络309、反射板310相连接，屏蔽盖305可以覆盖在印制电路板304上，起到屏蔽信号和保护印制电路板304的作用。需要说明的是，本发明实施例中天线罩312与散热器303相连接并且能够拆卸，天线302与射频拉远单元301之间需要拆卸时，将散热器303与天线罩312拆卸开，即可将天线302与射频拉远单元301相分开，当天线302与射频拉远单元301之间需要组合时，将散热器303与天线罩312连接在一起，就能够将天线302与射频拉远单元301之间组合在一起，实现一体化集成。也就是说，散热器303和天线罩312可以共同构成本实施例提供的有源天线系统的外围面，使该有源天线系统为天线和RRU集成一体化结构。Wherein, the shielding cover 305 and the filter 306 can be fixedly connected, the filter 306 is fixed on the shielding cover 305, the antenna element 311 can be connected with the feeding network 309, the reflector 310, and the shielding cover 305 can be covered on the printed circuit board 304, it plays the role of shielding signals and protecting the printed circuit board 304. It should be noted that in the embodiment of the present invention, the radome 312 is connected to the radiator 303 and can be disassembled. When the antenna 302 and the remote radio unit 301 need to be disassembled, the radiator 303 and the radome 312 can be disassembled. The antenna 302 is separated from the remote radio unit 301, and when the antenna 302 and the remote radio unit 301 need to be combined, the radiator 303 and the radome 312 can be connected together, so that the antenna 302 can be connected to the remote radio unit 301 Combined together to achieve an integrated integration. That is to say, the radiator 303 and the radome 312 can jointly constitute the peripheral surface of the active antenna system provided in this embodiment, so that the active antenna system is an integrated structure of the antenna and the RRU.
需要说明的是，在图3中给出了2个内部连接单元，此处只是举例而已，当然内部连接单元的个数由具体的应用场景决定，此处不再赘述。It should be noted that two internal connection units are shown in FIG. 3 , which is just an example here. Of course, the number of internal connection units is determined by specific application scenarios, and will not be repeated here.
在本发明实施例中，有源天线系统的天线和射频拉远单元的内部通过内部连接单元进行信号传输，实现了天线和RRU的集成，天线与射频拉远单元之间为可拆卸连接，便于快速装连，能够满足对天线和RRU各自单独的认证，符合相关的认证标准。In the embodiment of the present invention, the antenna of the active antenna system and the radio remote unit carry out signal transmission through the internal connection unit, which realizes the integration of the antenna and the RRU, and the antenna and the radio remote unit are detachably connected, which is convenient Fast installation and connection can meet the separate certifications for antennas and RRUs, and comply with relevant certification standards.
本发明实施例还提供一种基站，包括上述任意一种有源天线系统，基站所包括的有源天线系统具体可以包括：天线与射频拉远单元的内部之间通过内部连接单元相连接，内部连接单元用于实现天线和射频拉远单元之间的信号传输；天线与射频拉远单元之间为可拆卸连接；天线与射频拉远单元的接合界面为密封连接。在实际应用中基站所包括的有源天线系统具体可以如图2和图3所示，此处不再赘述。An embodiment of the present invention also provides a base station, including any one of the above-mentioned active antenna systems. The active antenna system included in the base station may specifically include: the antenna is connected to the inside of the remote radio unit through an internal connection unit, and the internal The connecting unit is used to implement signal transmission between the antenna and the remote radio unit; the antenna and the remote radio unit are detachably connected; the joint interface between the antenna and the remote radio unit is a sealed connection. In practical applications, the active antenna system included in the base station may be specifically shown in FIG. 2 and FIG. 3 , which will not be repeated here.
本发明实施例还提供一种通信系统，包括上述基站，该基站包括上述任一种有源天线系统，基站所包括的有源天线系统具体可以包括：天线与射频拉远单元的内部之间通过内部连接单元相连接，内部连接单元用于实现天线和射频拉远单元之间的信号传输；天线与射频拉远单元之间为可拆卸连接；天线与射频拉远单元的接合界面为密封连接。在实际应用中基站所包括的有源天线系统具体可以如图2和图3所示，此处不再赘述。An embodiment of the present invention also provides a communication system, including the above-mentioned base station. The base station includes any one of the above-mentioned active antenna systems. The active antenna system included in the base station may specifically include: The internal connection unit is connected, and the internal connection unit is used to realize signal transmission between the antenna and the remote radio unit; the antenna and the remote radio unit are detachably connected; the joint interface between the antenna and the remote radio unit is a sealed connection. In practical applications, the active antenna system included in the base station may be specifically shown in FIG. 2 and FIG. 3 , which will not be repeated here.
以上对本发明所提供的一种有源天线系统、基站和通信系统进行了详细介绍，对于本领域的一般技术人员，依据本发明实施例的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。An active antenna system, a base station, and a communication system provided by the present invention have been introduced in detail above. For those of ordinary skill in the art, according to the ideas of the embodiments of the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the present invention.
Claims (7)
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| CN201110342354.0A CN102395226B (en) | 2011-11-02 | 2011-11-02 | Active antenna system, base station and communication system |
| PCT/CN2012/083959 WO2013064091A1 (en) | 2011-11-02 | 2012-11-02 | Active antenna system, base station and communication system |
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| CN201110342354.0A CN102395226B (en) | 2011-11-02 | 2011-11-02 | Active antenna system, base station and communication system |
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