CN106941370A - Indoor millimeter-wave signal enhancing method and system - Google Patents
Indoor millimeter-wave signal enhancing method and system Download PDFInfo
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Abstract
本发明提供一种室内毫米波信号增强方法及系统，其中，所述室内毫米波信号增强方法包括如下步骤：S1、调节接收天线的最大辐射方向指向室外毫米波信号源；S2、所述接收天线将接收的室外毫米波信号传输至低噪声放大模块；S3、通过所述低噪声放大模块放大后的毫米波信号传输至发射天线，由所述发射天线二次辐射至室内区域。本发明的室内毫米波信号增强方法及系统设计简单、易于实现、抗干扰能力强，能够将室外覆盖的毫米波信号进行有效放大，并传输到室内无线终端，提高毫米波无线信号的利用效率，改善建筑物内信号差的处境，使室内各种无线终端设备能正常工作。
The present invention provides an indoor millimeter wave signal enhancement method and system, wherein the indoor millimeter wave signal enhancement method includes the following steps: S1, adjusting the maximum radiation direction of the receiving antenna to point to the outdoor millimeter wave signal source; S2, the receiving antenna Transmitting the received outdoor millimeter-wave signal to the low-noise amplification module; S3, transmitting the millimeter-wave signal amplified by the low-noise amplification module to the transmitting antenna, and secondarily radiating to the indoor area by the transmitting antenna. The indoor millimeter-wave signal enhancement method and system of the present invention are simple in design, easy to implement, and have strong anti-interference ability, can effectively amplify the millimeter-wave signal covered outdoors, and transmit it to the indoor wireless terminal, improving the utilization efficiency of the millimeter-wave wireless signal, Improve the poor signal situation in the building, so that various indoor wireless terminal equipment can work normally.
Description
技术领域technical field
本发明涉及微波毫米波技术领域，尤其涉及一种室内毫米波信号增强方法及系统。The present invention relates to the field of microwave and millimeter wave technologies, in particular to an indoor millimeter wave signal enhancement method and system.
背景技术Background technique
在高楼林立的城市或是群山围绕的边远山区，由于无线信号的视距传播特点及建筑物的屏蔽效应，使得酒店、写字楼、地铁及隧道等一些封闭的建筑物内不能有效接收信号，从而导致室内信号阴影和盲区无法避免。特别是在不久的将来，随着无线终端用户的增多，必然导致网络需求增大，从而使得频谱资源匮乏，毫米波频段的应用也因此越来越受欢迎。In cities with high-rise buildings or remote mountainous areas surrounded by mountains, due to the line-of-sight propagation characteristics of wireless signals and the shielding effect of buildings, some closed buildings such as hotels, office buildings, subways and tunnels cannot effectively receive signals. Indoor signal shadows and blind spots cannot be avoided. Especially in the near future, with the increase of wireless terminal users, the demand for the network will inevitably increase, resulting in the shortage of spectrum resources, and the application of the millimeter wave frequency band will become more and more popular.
然而，毫米波信号的穿透力较差，室内信号强度更难达到无线终端设备的接收指标要求，进而导致室内设备无法工作。为了增强室内毫米波信号以便人们更方便的使用各种无线终端设备，急需一种结构简单、易于实现的毫米波信号增强装置。However, the penetrating power of the millimeter wave signal is poor, and it is more difficult for the indoor signal strength to meet the receiving index requirements of the wireless terminal equipment, which makes the indoor equipment unable to work. In order to enhance indoor millimeter-wave signals so that people can use various wireless terminal devices more conveniently, a millimeter-wave signal enhancement device with simple structure and easy implementation is urgently needed.
发明内容Contents of the invention
本发明的目的在于提供一种室内毫米波信号增强方法及系统，以克服现有技术中存在的不足。The purpose of the present invention is to provide an indoor millimeter wave signal enhancement method and system to overcome the shortcomings in the prior art.
为实现上述发明目的，本发明提供一种室内毫米波信号增强方法，其包括如下步骤：In order to achieve the purpose of the above invention, the present invention provides an indoor millimeter wave signal enhancement method, which includes the following steps:
S1、调节接收天线的最大辐射方向指向室外毫米波信号源；S1. Adjust the maximum radiation direction of the receiving antenna to point to the outdoor millimeter wave signal source;
S2、所述接收天线将接收的室外毫米波信号传输至低噪声放大模块；S2. The receiving antenna transmits the received outdoor millimeter wave signal to the low noise amplification module;
S3、通过所述低噪声放大模块放大后的毫米波信号传输至发射天线，由所述发射天线二次辐射至室内区域。S3. The millimeter-wave signal amplified by the low-noise amplification module is transmitted to a transmitting antenna, and then radiated to an indoor area by the transmitting antenna.
作为本发明的室内毫米波信号增强方法的改进，所述室内毫米波信号增强方法还包括所述接收天线的安装步骤：As an improvement of the indoor millimeter wave signal enhancement method of the present invention, the indoor millimeter wave signal enhancement method also includes the step of installing the receiving antenna:
将所述接收天线设置于建筑物的室外，并将所述接收天线的地面与建筑物的玻璃通过粘合方式相连接。The receiving antenna is arranged outside the building, and the ground of the receiving antenna is connected with the glass of the building by bonding.
作为本发明的室内毫米波信号增强方法的改进，所述室内毫米波信号增强方法还包括所述发射天线的安装步骤：As an improvement of the indoor millimeter wave signal enhancement method of the present invention, the indoor millimeter wave signal enhancement method also includes the installation step of the transmitting antenna:
将所述发射天线设置于建筑物的室外，并将所述发射天线的辐射面与建筑物的玻璃通过粘合方式相连接。The transmitting antenna is arranged outside the building, and the radiating surface of the transmitting antenna is connected with the glass of the building by bonding.
为实现上述发明目的，本发明提供一种室内毫米波信号增强系统，其包括：接收天线、低噪声放大模块以及发射天线；In order to achieve the purpose of the above invention, the present invention provides an indoor millimeter-wave signal enhancement system, which includes: a receiving antenna, a low-noise amplification module, and a transmitting antenna;
所述接收天线的接收区域完全覆盖室外毫米波信号源，所述接收天线与所述低噪声放大模块信号传输，所述低噪声放大模块包括低噪声放大器和选频滤波器，所述发射天线的发射区域完全覆盖室内区域，所述发射天线与所述低噪声放大模块信号传输，所述接收天线接收的室外毫米波信号经所述低噪声放大模块放大后，通过所述发射天线辐射到室内区域。The receiving area of the receiving antenna completely covers the outdoor millimeter-wave signal source, and the receiving antenna transmits signals with the low-noise amplifier module. The low-noise amplifier module includes a low-noise amplifier and a frequency-selective filter. The transmitting area completely covers the indoor area, the transmitting antenna and the low-noise amplifier module transmit signals, and the outdoor millimeter-wave signal received by the receiving antenna is amplified by the low-noise amplifier module and radiated to the indoor area through the transmitting antenna .
作为本发明的室内毫米波信号增强系统的改进，所述接收天线位于室外，且所述接收天线的地面与建筑物的玻璃通过粘合方式相连接。As an improvement to the indoor millimeter-wave signal enhancement system of the present invention, the receiving antenna is located outdoors, and the ground of the receiving antenna is connected to the glass of the building by bonding.
作为本发明的室内毫米波信号增强系统的改进，所述接收天线为全向天线、定向天线以及自适应天线中的一种。As an improvement of the indoor millimeter wave signal enhancement system of the present invention, the receiving antenna is one of an omnidirectional antenna, a directional antenna and an adaptive antenna.
作为本发明的室内毫米波信号增强系统的改进，所述室外毫米波信号源为单一且固定信号源时，所述接收天线为定向天线。As an improvement of the indoor millimeter wave signal enhancement system of the present invention, when the outdoor millimeter wave signal source is a single and fixed signal source, the receiving antenna is a directional antenna.
作为本发明的室内毫米波信号增强系统的改进，所述室外毫米波信号源为多个且实时移动信号源时，所述接收天线为全向天线。As an improvement of the indoor millimeter-wave signal enhancement system of the present invention, when there are multiple outdoor millimeter-wave signal sources and the signal sources move in real time, the receiving antenna is an omnidirectional antenna.
作为本发明的室内毫米波信号增强系统的改进，所述发射天线位于室外，且所述发射天线的辐射面与建筑物的玻璃通过粘合方式相连接。As an improvement to the indoor millimeter wave signal enhancement system of the present invention, the transmitting antenna is located outdoors, and the radiation surface of the transmitting antenna is connected to the glass of the building by bonding.
作为本发明的室内毫米波信号增强系统的改进，所述发射天线为全向天线。As an improvement of the indoor millimeter wave signal enhancement system of the present invention, the transmitting antenna is an omnidirectional antenna.
与现有技术相此，本发明的有益效果是：本发明的室内毫米波信号增强方法及系统设计简单、易于实现、抗干扰能力强，能够将室外覆盖的毫米波信号进行有效放大，并传输到室内无线终端，提高毫米波无线信号的利用效率，改善建筑物内信号差的处境，使室内各种无线终端设备能正常工作。Compared with the prior art, the beneficial effect of the present invention is that the indoor millimeter wave signal enhancement method and system of the present invention are simple in design, easy to implement, and have strong anti-interference ability, and can effectively amplify the millimeter wave signal covered outdoors and transmit To indoor wireless terminals, improve the utilization efficiency of millimeter wave wireless signals, improve the poor signal situation in buildings, and enable various indoor wireless terminal devices to work normally.
附图说明Description of drawings
图1为本发明的室内毫米波信号增强方法一具体实施方式的方法流程示意图；FIG. 1 is a schematic flow diagram of a specific embodiment of the indoor millimeter wave signal enhancement method of the present invention;
图2为本发明的室内毫米波信号增强系统一具体实施方式的结构示意图；FIG. 2 is a structural schematic diagram of a specific embodiment of the indoor millimeter wave signal enhancement system of the present invention;
图3为本发明的室内毫米波信号增强系统另一具体实施方式的结构示意图。Fig. 3 is a schematic structural diagram of another specific embodiment of the indoor millimeter wave signal enhancement system of the present invention.
具体实施方式detailed description
下面结合附图所示的各实施方式对本发明进行详细说明，但应当说明的是，这些实施方式并非对本发明的限制，本领域普通技术人员根据这些实施方式所作的功能、方法、或者结构上的等效变换或替代，均属于本发明的保护范围之内。The present invention will be described in detail below in conjunction with the implementations shown in the drawings, but it should be noted that these implementations are not limitations of the present invention, and those of ordinary skill in the art based on the functions, methods, or structural changes made by these implementations Equivalent transformations or substitutions all fall within the protection scope of the present invention.
如图1所示，本发明的室内毫米波信号增强方法包括如下步骤：As shown in Figure 1, the indoor millimeter wave signal enhancement method of the present invention includes the following steps:
S1、调节接收天线的最大辐射方向指向室外毫米波信号源。如此，以实现室外所需信号的最佳接收。S1. Adjust the maximum radiation direction of the receiving antenna to point to the outdoor millimeter wave signal source. In this way, to achieve the best reception of the desired signal outdoors.
S2、所述接收天线将接收的室外毫米波信号传输至低噪声放大模块。如此，通过所述低噪声放大模块能够将室外覆盖的毫米波信号进行有效放大，并传输到室内无线终端。S2. The receiving antenna transmits the received outdoor millimeter wave signal to the low noise amplification module. In this way, the millimeter-wave signal covered outdoors can be effectively amplified by the low-noise amplification module, and transmitted to the indoor wireless terminal.
S3、通过所述低噪声放大模块放大后的毫米波信号传输至发射天线，由所述发射天线二次辐射至室内区域。如此，提高毫米波无线信号的利用效率，改善建筑物内信号差的处境，使室内各种无线终端设备能正常工作。S3. The millimeter-wave signal amplified by the low-noise amplification module is transmitted to a transmitting antenna, and then radiated to an indoor area by the transmitting antenna. In this way, the utilization efficiency of the millimeter wave wireless signal is improved, the poor signal situation in the building is improved, and various indoor wireless terminal devices can work normally.
此外，本发明的室内毫米波信号增强方法还包括所述接收天线和发射天线的安装步骤，具体地，所述接收天线安装步骤包括：将所述接收天线设置于建筑物的室外，并将所述接收天线的地面与建筑物的玻璃通过粘合方式相连接。所述发射天线安装步骤包括：将所述发射天线设置于建筑物的室外，并将所述发射天线的辐射面与建筑物的玻璃通过粘合方式相连接。如此，可充分降低玻璃对接收天线和发射天线性能的影响。In addition, the indoor millimeter wave signal enhancement method of the present invention also includes the step of installing the receiving antenna and the transmitting antenna, specifically, the step of installing the receiving antenna includes: setting the receiving antenna outdoors of the building, and installing the receiving antenna The ground of the receiving antenna is connected with the glass of the building by bonding. The step of installing the transmitting antenna includes: setting the transmitting antenna outdoors of the building, and connecting the radiation surface of the transmitting antenna with the glass of the building by bonding. In this way, the influence of the glass on the performance of the receiving antenna and the transmitting antenna can be substantially reduced.
如图2、3所示，基于如上所述的室内毫米波信号增强方法，本发明还提供一种室内毫米波信号增强系统，其包括：接收天线10、低噪声放大模块20以及发射天线30。As shown in FIGS. 2 and 3 , based on the indoor millimeter-wave signal enhancement method described above, the present invention also provides an indoor millimeter-wave signal enhancement system, which includes: a receiving antenna 10 , a low-noise amplification module 20 and a transmitting antenna 30 .
所述接收天线10用于接收室外毫米波信号，为了对外部毫米波信号进行全面的接收，所述接收天线10的接收区域完全覆盖室外毫米波信号源。根据具体应用场景，所述接收天线10可以为全向天线、定向天线以及自适应天线中的一种。其中，所述定向天线适用于所述室外毫米波信号源为单一且固定信号源时的情形，所述全向天线所述室外毫米波信号源为多个且实时移动信号源时的情形。此外，所述接收天线10位于室外，且所述接收天线10的地面与建筑物的玻璃通过粘合方式相连接。如此，可充分降低玻璃对所述接收天线10性能的影响。The receiving antenna 10 is used to receive outdoor millimeter wave signals. In order to receive external millimeter wave signals comprehensively, the receiving area of the receiving antenna 10 completely covers an outdoor millimeter wave signal source. According to specific application scenarios, the receiving antenna 10 may be one of an omnidirectional antenna, a directional antenna and an adaptive antenna. Wherein, the directional antenna is applicable to the situation when the outdoor millimeter wave signal source is a single and fixed signal source, and the omnidirectional antenna has multiple outdoor millimeter wave signal sources that move in real time. In addition, the receiving antenna 10 is located outdoors, and the ground of the receiving antenna 10 is connected to the glass of the building by bonding. In this way, the influence of glass on the performance of the receiving antenna 10 can be substantially reduced.
所述低噪声放大模块20用于实现接收的毫米波信号的最小噪声以及较大增益的放大效果，所述低噪声放大模块20与所述接收天线10信号传输。具体地，所述低噪声放大模块20包括低噪声放大器21和选频滤波器22，从而接收的毫米波信号经所述低噪声放大器21放大后，传输至下一级的选频滤波器22进行选频滤波。The low noise amplifying module 20 is used to realize the minimum noise and the larger gain amplification effect of the received millimeter wave signal, and the low noise amplifying module 20 communicates with the receiving antenna 10 for signal transmission. Specifically, the low-noise amplification module 20 includes a low-noise amplifier 21 and a frequency-selective filter 22, so that the received millimeter-wave signal is amplified by the low-noise amplifier 21 and then transmitted to the next-stage frequency-selective filter 22 for further processing. Frequency selective filtering.
所述发射天线30用于将放大后的信号辐射到室内区域，其与所述低噪声放大模块20信号传输。具体地，所述发射天线30为全向天线，如此所述发射天线30具有较好的全向辐射特性，以满足处于室内任意位置的终端均能接收到较强的毫米波信号。此外，所述发射天线30位于室外，且所述发射天线30的辐射面与建筑物的玻璃通过粘合方式相连接。如此，可充分降低玻璃对所述发射天线30性能的影响。The transmitting antenna 30 is used to radiate the amplified signal to the indoor area, and transmits the signal with the low noise amplification module 20 . Specifically, the transmitting antenna 30 is an omnidirectional antenna, so the transmitting antenna 30 has better omnidirectional radiation characteristics, so that a terminal at any position in the room can receive strong millimeter wave signals. In addition, the transmitting antenna 30 is located outdoors, and the radiation surface of the transmitting antenna 30 is connected to the glass of the building by bonding. In this way, the influence of glass on the performance of the transmitting antenna 30 can be substantially reduced.
下面结合两个实施例，对本发明的室内毫米波信号增强系统的工作过程进行举例说明。The working process of the indoor millimeter wave signal enhancement system of the present invention will be illustrated below in conjunction with two embodiments.
实施例1Example 1
如图2所示，当室外毫米波信号源仅有一个且位置固定时，室内毫米波信号增强系统中，接收天线10为具有高增益定向接收的阵列天线，此时接收天线10的辐射方向指向唯一的室外毫米波辐射源，实现最大功率接收效果。高定向的接收天线10接收到室外毫米波信号源传播过来的毫米波信号，经低噪声放大模块20中的低噪声放大后，传输给后一级的选频滤波器，最后通过具有全向辐射特性的发射天线30朝建筑物室内方向传播。As shown in Figure 2, when there is only one outdoor millimeter-wave signal source and its position is fixed, in the indoor millimeter-wave signal enhancement system, the receiving antenna 10 is an array antenna with high-gain directional reception, and the radiation direction of the receiving antenna 10 points to The only outdoor millimeter-wave radiation source for maximum power reception. The highly directional receiving antenna 10 receives the millimeter-wave signal transmitted by the outdoor millimeter-wave signal source, and after being amplified by the low noise in the low-noise amplifier module 20, it is transmitted to the next-stage frequency-selective filter, and finally passes through the The characteristic transmitting antenna 30 propagates in the direction of the interior of the building.
实施例2Example 2
如图3所示，当室外毫米波信号源为多个且可能实时移动时，室内毫米波信号增强系统中，接收天线10将采用宽覆盖接收的单个天线单元，此时接收天线10可以接收大范围内的毫米波信号，实现多个室外毫米波辐射源的同时接收。宽覆盖的接收天线10接收到室外毫米波信号源传播过来的毫米波信号，经低噪声放大模块20中的低噪声放大后，传输给后一级的选频滤波器，最后通过具有全向辐射特性的发射天线30朝建筑物室内方向传播。As shown in Figure 3, when there are multiple outdoor millimeter-wave signal sources and may move in real time, in the indoor millimeter-wave signal enhancement system, the receiving antenna 10 will use a single antenna unit with wide coverage reception. At this time, the receiving antenna 10 can receive large The millimeter-wave signal within the range can realize the simultaneous reception of multiple outdoor millimeter-wave radiation sources. The wide-coverage receiving antenna 10 receives the millimeter-wave signal transmitted by the outdoor millimeter-wave signal source, and after being amplified by the low noise in the low-noise amplifier module 20, it is transmitted to the next-stage frequency-selective filter, and finally passes through the The characteristic transmitting antenna 30 propagates in the direction of the interior of the building.
综上所述，本发明的室内毫米波信号增强方法及系统设计简单、易于实现、抗干扰能力强，能够将室外覆盖的毫米波信号进行有效放大，并传输到室内无线终端，提高毫米波无线信号的利用效率，改善建筑物内信号差的处境，使室内各种无线终端设备能正常工作。In summary, the indoor millimeter-wave signal enhancement method and system of the present invention are simple in design, easy to implement, and have strong anti-interference ability, and can effectively amplify the millimeter-wave signal covered outdoors and transmit it to indoor wireless terminals, improving millimeter-wave wireless communication. The utilization efficiency of the signal can improve the situation of poor signal in the building, so that various indoor wireless terminal equipment can work normally.
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.
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