WO2017185358A1 - 增强无线用户终端信号的装置和方法 - Google Patents

增强无线用户终端信号的装置和方法 Download PDF

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Publication number
WO2017185358A1
WO2017185358A1 PCT/CN2016/080781 CN2016080781W WO2017185358A1 WO 2017185358 A1 WO2017185358 A1 WO 2017185358A1 CN 2016080781 W CN2016080781 W CN 2016080781W WO 2017185358 A1 WO2017185358 A1 WO 2017185358A1
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WO
WIPO (PCT)
Prior art keywords
user terminal
antenna
wireless user
coupling
coupled
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PCT/CN2016/080781
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English (en)
French (fr)
Inventor
吴府叡
施安龙
袁道喜
Original Assignee
深圳市联合东创科技有限公司
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Application filed by 深圳市联合东创科技有限公司 filed Critical 深圳市联合东创科技有限公司
Priority to PCT/CN2016/080781 priority Critical patent/WO2017185358A1/zh
Publication of WO2017185358A1 publication Critical patent/WO2017185358A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to an apparatus and method for enhancing a signal of a wireless user terminal.
  • Wireless communication technology is a communication method that exchanges information using electromagnetic wave signals that can propagate in free space.
  • wireless communication technology In recent years, in the field of information and communication, the fastest growing and most widely used is wireless communication technology. The impact of wireless communication technology is undisputed: about 150,000 people become new wireless users every day, and the number of wireless users worldwide has exceeded 200 million.
  • handheld terminals such as mobile phones, tablet computers, mobile data collectors, etc. are one of the important devices for wireless communication transmission.
  • Various electromagnetic wave signals can be transmitted through 2G, 3G, 4G and other wireless networks, so the quality of electromagnetic wave signals will be good or bad.
  • the built-in antenna in the handheld terminal can realize the normal transmission of electromagnetic wave signals.
  • the handheld terminal is away from the coverage area of the base station, the electromagnetic wave signal is blocked by the building or the signal is received by the handheld terminal.
  • the built-in antenna in the handheld terminal can not achieve the normal transmission of electromagnetic wave signals in some areas, affecting the transmission of user data.
  • wireless user terminal refers to a device that can use a wireless network such as a mobile phone, a tablet computer, a mobile data collector, a notebook computer, or a desktop computer.
  • the existing solution is to add a signal transmitting device to increase the signal coverage area, or to replace a more powerful signal transmitting device to enhance the signal, such as adding or replacing a base station, a wireless router.
  • the prior art enhances the signal source to make the signal in the coverage area stronger and wider in coverage, thereby enhancing the strength of the end user signal within the coverage of the signal transmitting device.
  • the strength of the signal can be increased to some extent within a certain range, the base station equipment is expensive, the replacement cost is large, and the enhanced signal area is fixed and cannot move as the user moves.
  • the strategy of the terminal signal does not need to be limited to a fixed location, and the strength of the signal of the wireless user terminal can be increased, and the required cost is low.
  • the present invention provides an apparatus and method for enhancing the signal of a wireless user terminal, which is not limited to a fixed location, and can effectively enhance the strength of the signal of the handheld terminal, and the required cost is extremely low.
  • the present invention discloses an apparatus for enhancing a signal of a wireless user terminal, the apparatus comprising a coupling antenna and a carrier, the coupling antenna being attached to the wireless user terminal by the carrier, the coupling antenna having a terminal end, the end is located in a coupling area of the antenna of the wireless user terminal, and the coupling antenna bypasses a ground end of the wireless user terminal, so that the coupling antenna is coupled with an antenna of the wireless user terminal;
  • the coupling region is a sphere region formed by using a feed point of an antenna of the wireless user terminal as a center and a radius of 1/10 of a wavelength of a signal transmitted by the wireless user terminal.
  • the coupling antenna of the present invention is made of a material commonly used for an antenna of a user terminal, such as copper, copper alloy, aluminum or aluminum alloy; or gold-plated or nickel-plated stainless steel; or a flexible circuit board.
  • the shape of the coupling antenna varies depending on the shape of the antenna in different user terminals, and may be a long strip shape, an L shape, a strip-shaped strip shape, or a flared sheet-like body.
  • the amplitude of the signal enhancement of the wireless user terminal is the largest, where ⁇ is the wavelength of the signal of the wireless user terminal.
  • the invention also discloses a method for enhancing the signal of a wireless user terminal, comprising the following steps:
  • the end of the coupled antenna is located in a coupling region of the antenna of the wireless user terminal
  • the coupled antenna bypasses a ground end of the wireless user terminal
  • the coupling region is a sphere region formed by using a feed point of an antenna of the wireless user terminal as a center and a radius of 1/10 of a wavelength of the signal received and transmitted by the wireless user terminal.
  • the carrier of the present invention may be an insulated card or a protective case or a protective cover of the wireless user terminal.
  • the invention can effectively enhance the signal of the wireless user terminal by setting the coupling antenna on the wireless user terminal using the wireless signal; the device for enhancing the wireless user terminal signal disclosed in the invention is attached to the wireless user terminal, and has small volume and low cost. At the same time, it is easy to carry, and can move with the movement of the wireless user terminal, and is not limited to a fixed location; the coupled antenna does not need additional power supply, saves energy, and is more environmentally friendly; the coupled antenna is mounted on the handheld terminal by means of a carrier The coupling range of the built-in antenna is accurate and easy to operate. Due to the objective existence of the above-mentioned plurality of beneficial effects, the present invention improves the user experience and is extremely easy to be popularized.
  • FIG. 1 is a schematic diagram showing the principle of electrical coupling between a wireless user terminal antenna and a coupled antenna according to the present invention
  • FIG. 2 is a schematic diagram of an embodiment of the present invention applied to a mobile phone
  • FIG. 3 is a schematic view showing the installation of the coupling antenna when the carrier is a flip-type holster
  • FIG. 4 is a schematic view showing the installation of the coupling antenna when the carrier is a tensile back shell
  • Figure 5 is a schematic view showing the installation of the coupling antenna when the carrier is a rotating back shell
  • Figure 6 is a schematic diagram showing the results of passive testing of the iPhone 5 mobile phone using a flip-type holster to load the coupled antenna;
  • Figure 7 is a schematic diagram showing the results of passive testing of the iPhone5 mobile phone using a tensile back shell loading coupling antenna
  • Figure 8 is a schematic diagram showing the results of passive testing of the iPhone5 mobile phone using a rotating backshell loaded coupling antenna.
  • One of the core concepts of the embodiments of the present invention is to install a coupling antenna at a suitable position of the wireless user terminal, so that the coupled antenna can be accurately coupled with the antenna of the wireless user terminal, thereby increasing the strength of the signal received and transmitted by the wireless user terminal antenna.
  • FIG. 1 is a schematic diagram showing the principle of electrical coupling of a wireless user terminal antenna and a coupled antenna according to the present invention.
  • the wireless user terminal includes an antenna 2, and the antenna 2 is at a feed point 22, and the antenna is connected to the IC circuit board through the antenna feed line 21 to receive and transmit signals of the wireless user terminal.
  • a coupling antenna 1 that can be coupled to the antenna 2 of the wireless user terminal is installed in a suitable area (hereinafter referred to as a coupling area) of the wireless user terminal. In the short-wave and ultra-short wave bands, the antenna 2 and the coupled antenna 1 are not in an open state.
  • the coupled antenna 1 After the coupled antenna is disposed, there is a parasitic capacitance 3 that cannot be ignored between the coupled antenna and the antenna, and the coupled antenna 1 is coupled to the antenna 2.
  • the coupled antenna 1 After the coupled antenna 1 is coupled to the antenna, the coupled antenna 1 provides a low impedance path for the current to radiate electromagnetic waves through the coupled antenna 1, or to receive signals from base stations, routers, and the like through the combination of the coupled antenna 1 and the antenna 2.
  • the receiving circuit of the wireless user terminal is accessed, thereby improving the efficiency of the wireless user terminal antenna and enhancing the strength of the wireless user terminal signal.
  • the larger the capacitive reactance the larger the coupling between the coupled antenna 1 and the antenna 2, and the more the enhancement of the signal strength of the wireless user terminal is. it is good.
  • the magnitude of the parasitic capacitance 3 depends on factors such as the shape, size, and relative position of the antenna 2 and the coupled antenna 1.
  • the capacitive reactance between antenna 2 and coupled antenna 1 is:
  • f is the frequency of the electromagnetic wave signal
  • C is the capacitance
  • the capacitive reactance between the antenna and the coupled antenna is inversely proportional to the capacitance C of the parasitic capacitance 3.
  • the capacitance C of the parasitic capacitance 3 is related to the shape, size, and relative position of the coupled antenna 1 and the antenna 2. That is, for a wireless user terminal using a specific signal, the antenna and the coupled antenna can be adjusted by adjusting any of the relative positions of the coupled antenna 1 and the antenna 2, the shape of the coupled antenna 1, and the size of the coupled antenna 1. The tolerance value of the wireless user terminal can be adjusted.
  • a wireless user terminal can apply signals of several different frequencies, for example, a general mobile phone can be applied to different signals of 2G, 3G, 4G, wifi, and the same type of signals, such as 3G signals, are different.
  • the frequency of the 3G letter used by the operator is not exactly the same, and the wifi signal has 2400 Hz and 5000 Hz.
  • the "signal of the wireless user terminal" as used in the present invention refers to a signal of a certain frequency used by the wireless user terminal, and the "wavelength of the signal of the wireless user terminal" used for determining the coupling area corresponding to the present invention refers to the signal to be enhanced.
  • the wavelength of the signal that is, in the technical solution, the signals of the wireless user terminals to be enhanced are in one-to-one correspondence with the coupled antennas: one mobile phone faces signals of different frequencies, the coupling regions of the antennas are different, and the coupled antennas used are also different.
  • the strength of the wireless user terminal signal according to the present invention refers to the ability of the wireless user terminal to receive or transmit a signal, which can be represented by the efficiency of the antenna.
  • the coupling antenna can be generally fabricated as a metal foil. As shown in FIG. 1, the coupling antenna 1 is elongated, and the base of the coupling antenna refers to one end 11 of the metal foil.
  • the present invention is simply referred to as a coupling region, and has been experimentally verified.
  • the coupling region refers to a sphere region formed by the feed point 22 of the antenna 2 as a center and a radius of 1/10 of the wavelength of the signal transmitted by the wireless user terminal.
  • receiving and transmitting signal wavelengths of a wireless user terminal refers to a signal to be enhanced as described in the object of the present invention.
  • the coupling region is a range A surrounded by a broken line.
  • the base of the coupled antenna is placed in the coupling region, and the strength of the antenna transceiving signal is enhanced.
  • the wireless user terminal is usually provided with a grounding terminal, which is often referred to as "the ground of the mobile phone" in the mobile phone.
  • the ground terminal is generally a material having good electrical conductivity. It should be noted that the parasitic capacitance is also generated between the ground terminal and the coupled antenna under appropriate conditions, and the parasitic capacitance cannot be ignored: if no measures are taken, the parasitic capacitance generated between the ground terminal and the coupled antenna will destroy the coupling. Match the antenna to the antenna. That is to say, once the ground terminal and the coupled antenna generate parasitic capacitance, the coupling effect of the coupled antenna and the antenna will be affected.
  • the present invention requires that the coupled antenna bypass the wireless user.
  • the ground terminal of the terminal That is to say, when the coupling antenna is set, the coupling antenna is spaced apart from the ground in the user and does not touch. Typically, the coupling antenna bypasses the projection of the ground end on the coupling antenna setting surface.
  • the position of the coupling antenna on the back shell bypasses the projection of the ground end on the coupling antenna setting surface, but the present invention does not necessarily require that the grounding end be bypassed. Coupling the projection on the antenna setup surface.
  • the material of the coupled antenna of the present invention may be selected from the same material as the user terminal antenna, for example, considering the cost and the ability to transmit signals, preferably copper, copper alloy, aluminum or aluminum alloy; or stainless steel gold plating or nickel plating; Or, in some places that are often bent, a Flexible Printed Circuit Board (FPC board) can be selected.
  • FPC board Flexible Printed Circuit Board
  • the enhancement of antenna efficiency is related to the shape of the antenna and the coupled antenna.
  • the specific shape of the coupling antenna can be changed according to the shape of the antenna.
  • the commonly used shapes are long strips, L-shaped, strip-shaped strips or horns.
  • the experiment proves that when the length of the coupled antenna is about 1/4 wavelength of the working signal band of the antenna, the radiation efficiency of the antenna will be significantly improved, and the strength of the signal is enhanced significantly.
  • the length l of the preferred coupling antenna can be selected within a range of ⁇ /4 ⁇ 5 mm, where ⁇ is the wavelength at which the wireless user terminal receives and transmits signals.
  • the wireless user terminal may be a mobile phone, a tablet computer, a mobile data collector, a notebook computer, a desktop computer or the like that uses short-wavelength, ultra-short-waveband wireless signals such as 2G, 3G, 4G, and wifi.
  • a carrier which can be a protective cover of a wireless user terminal, a protective cover or an insulated plastic sheet.
  • the invention discloses a device for enhancing a signal of a wireless user terminal, comprising a coupling antenna and a carrier, and the coupling antenna passes
  • the carrier is attached to the wireless user terminal, the coupled antenna has one end, the end is located in the coupling area of the antenna of the wireless user terminal, and the coupled antenna bypasses the ground end of the wireless user terminal, so that the coupled antenna is coupled with the antenna of the wireless user terminal;
  • the coupling region is a sphere region formed by a feed point of the antenna of the wireless user terminal and having a radius of 1/10 of the wavelength of the signal transmitted by the wireless user terminal.
  • the device for enhancing the signal of the wireless user terminal comprises a coupling antenna 1 and a mobile phone protection case, and the mobile phone protection case is a specific embodiment of the carrier.
  • the phone case is fixed to the back case of the phone.
  • the coupled antenna is attached to the protective case of the mobile phone.
  • the coupled antenna 1 has an elongated shape, and one end 11 of the antenna is located in the coupling area A of the mobile phone antenna 2.
  • the coupling antenna 1 bypasses the projection of the ground end of the wireless user terminal on the rear casing of the mobile phone, that is, the area B, the parasitic capacitance 3 is generated between the coupled antenna 1 and the antenna 2, and the coupled antenna 1 is coupled with the mobile phone antenna.
  • the coupled antenna 1 provides a low-impedance path for the current to radiate electromagnetic waves through the coupled antenna 1, or transmits a signal of a base station such as a base station or a router through a combination of the coupled antenna 2 and the antenna into a receiving circuit of the wireless user terminal.
  • the efficiency of the wireless user terminal antenna enhances the strength of the wireless user terminal signal.
  • the coupling region is a sphere region formed by taking the antenna feed point 22 as a center and having a radius of 1/10 of the wavelength of the mobile phone signal. In the plane shown in FIG. 2, the projection of the coupling region is A.
  • the 1/4 wavelength is 31.25 mm
  • the length of the coupled antenna is selected within the range of 26-36 mm, that is, the range of 1/4 wavelength is added or subtracted by 5 mm. Choose within. It is preferably 1/4 wavelength, and may be 31 mm or 32 mm, or an integer of 30 or 35 mm may be selected for ease of processing.
  • the carrier of the present invention may be various, for example, a protective cover or a protective case attached to a user terminal, or a card of an insulating material such as plastic.
  • the carrier according to the present invention is matched with different types of wireless user terminals as appropriate, without forcing one-to-one correspondence, or one carrier is adapted to all types of wireless user terminals.
  • the protective cover or protective case can be adapted to mobile phones, tablets and mobile data collectors; plastic cards can be adapted to mobile phones, tablets and mobile data collectors, and plastics are used to set the coupling antenna on laptops or desktop computers. Cards are a better choice; in particular, it is also possible to protect the soft coupling antenna from deformation of the coupling antenna while using a protective case or a protective cover while using parts such as plastic cards.
  • the coupling antenna and the plastic card are assembled into one body, and can be made into a component such as a data card, and then the coupling antenna and the plastic card are integrally formed into a card slot at a corresponding position of the mobile phone case or Jack Inside.
  • the holster When the carrier is a protective cover, as shown in FIG. 3, taking a flip-type holster as an example, the holster includes a back cover 51 and a wallet 52, and the connection area of the wallet 52 and the back cover 51 can be bent.
  • the coupling antenna 1 is fixed in a bent region of the wallet, and the end of the coupling antenna is located in the coupling region.
  • the flexible antenna plate can be selected as the coupling antenna, and the flexible electric wire plate has strong bending resistance, and the service life of the coupled antenna can be greatly improved.
  • the carrier is a protective case
  • the manner in which the coupled antenna is attached to the wireless user terminal varies with the specific structure of the protective case:
  • the protective case is a stretched back case 5a, and the back case 5a is fixed to the back cover of the wireless user terminal.
  • a groove 53a is disposed at a corresponding coupling region of the back cover 5a, and a pull strip 54a is formed in the groove, and a coupling antenna 1 is built in the pull bar.
  • the brace can also be seen as a collection of coupled antennas and plastic cards. The coupling antenna is mounted and disassembled and the position is adjusted by drawing and inserting a pull strip in the groove.
  • the protective case is a rotating back case 5b
  • the back case 5b is fixed to the back cover of the wireless user terminal.
  • the back shell 5b includes a rotating shaft 55b and a movable strip 56b.
  • the rotating shaft 55b is disposed on the back shell, perpendicular to the back shell, and located in the corresponding mobile phone coupling region.
  • One end of the movable bar 56b is hinged to the rotating shaft 55b so as to be rotatable about the rotating shaft 55b.
  • the active bar 56b can be stopped at any desired location.
  • the coupling antenna 1 is disposed within the movable strip 56b, or the coupling antenna is attached to the side of the movable strip that faces the wireless user terminal. At this point, the activity bar can also be seen as a collection of coupled antennas and plastic cards.
  • the rotary back shell can significantly improve the efficiency of the wifi antenna.
  • the efficiency of the antenna at different angles is also different.
  • the relative positional relationship between the coupled antenna and the built-in antenna can be adjusted through the rotating shaft, thereby improving the antenna efficiency, and the angle at which the communication effect is optimal can be selected by rotating, so even in an environment with poor communication conditions, Get a better communication experience.
  • the present invention further provides a method for enhancing a signal of a wireless user terminal, specifically:
  • the end of the coupled antenna is located in a coupling region of the antenna of the wireless user terminal
  • the coupled antenna bypasses a ground end of the wireless user terminal
  • the coupling area is a sphere area formed by using a wireless user terminal antenna feed point as a center and a radius of 1/10 of a signal wavelength of the wireless user terminal.
  • the method for enhancing the signal of the wireless user terminal relates to the network of the signal (that is, the frequency of the signal) and the type of the wireless user terminal, which are the same as those of the device for enhancing the signal of the wireless user terminal, and will not be described in detail.
  • the carrier in the above method is an insulated card or a protective case and a protective cover of the wireless user terminal.
  • the coupling antenna is made of copper, copper alloy, aluminum or aluminum alloy; or stainless steel is plated or nickel plated; or a flexible circuit board.
  • the coupling antenna is an elongated strip, an L-shaped strip, a strip-shaped elongated strip or a trumpet-shaped sheet-like body.
  • the length l of the coupled antenna is ⁇ /4 ⁇ 5 mm, where ⁇ is the wavelength of the wireless user terminal signal.
  • the carrier adapted by the wireless user terminal in the embodiment of the present invention may be a back shell, a protective shell or a protective cover or a compact card that is adapted to the wireless user terminal, and thus is conveniently carried in practice, and since the protective shell and the wireless user terminal are
  • the embodiment of the present invention can be configured according to different types of wireless user terminals, such as different
  • the model of the mobile phone sets the corresponding position of the adapted coupling antenna at the protective casing so that the coupled antenna can be accurately coupled with the antenna on the wireless user terminal, thereby enhancing the signal strength of the built-in antenna. Since the coupled antenna is embedded in the carrier, the user does not feel the existence of the coupled antenna during use, thereby improving the user experience.
  • the invention is directed to the same type of wireless user terminal, and can be matched with different coupling antennas according to different signal frequencies used by the wireless user terminal.
  • the device and the method for enhancing the signal of the wireless user terminal provided by the present invention are described in detail.
  • the principles and embodiments of the present invention are described in the following.
  • the description of the above embodiment is only used to help understanding.

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Abstract

本发明公开一种增强无线用户终端信号的装置和方法，所述装置包括耦合天线和载体，所述耦合天线通过所述载体附着在所述无线用户终端上，所述耦合天线具有一端头，所述端头位于所述无线用户终端天线的耦合区域内，所述耦合天线绕开无线用户终端的接地端，使得所述耦合天线与所述无线用户终端的天线耦合；其中，所述耦合区域为以所述无线用户终端的天线的馈点为圆心、以所述无线用户终端收、发信号波长的1/10为半径形成的球体区域。所述增强无线用户终端信号的方法，包括如下步骤：提供耦合天线和载体；将所述耦合天线通过所述载体附着于所述无线用户终端，附着的条件满足：所述耦合天线的端头位于所述无线用户终端的天线的耦合区域内，所述耦合天线绕开无线用户终端的接地端。本发明在无线用户终端的耦合区域安装耦合天线，使得耦合天线能够精确与无线用户终端的天线耦合，借此来增大无线用户终端天线接收、发射工作信号的强度。

Description

增强无线用户终端信号的装置和方法 技术领域
本发明涉及无线通信技术领域，特别是涉及一种增强无线用户终端信号的装置和方法。
背景技术
无线通信技术是利用电磁波信号可以在自由空间中传播的特性进行信息交换的一种通信方式。近些年，在信息通信领域中，发展最快、应用最广的就是无线通信技术。无线通信技术给人们带来的影响无可争议：如今每一天大约有15万人成为新的无线用户，全球范围内的无线用户数量已经超过2亿。
目前，手持终端例如手机、平板电脑、移动数据采集器等是进行无线通信传输的重要设备之一，通过2G、3G、4G等无线网络可以传递各种电磁波信号，因此电磁波信号质量的优劣将极大地影响用户的使用体验。在一般情况下，手持终端中的内置天线能够实现电磁波信号的正常传输，但是，在无线通信环境较为恶劣的情况下，例如手持终端远离基站覆盖区域、电磁波信号被建筑物阻挡或手持终端接收信号能力差等其他原因，故手持终端中的内置天线在一些区域内不能实现电磁波信号的正常传输，影响用户数据量传输。
最近几年，wifi以其无线束缚的优势，已广泛地应用到人们的日常工作、生活中，给人们带来极大的便利，普通的家庭用电脑，甚至办公室电脑，装上无线接收器(天线)，就可以使用wifi网络，给人们的生活、工作环境带来更优的体验。但是wifi也存在上述的缺陷：路由器的信号覆盖面积有限，一些区域，信号弱，影响使用wifi的无线用户终端的信号接收和发射。本发明所称的无线用户终端是指手机、平板电脑、移动数据采集器、笔记本电脑、台式电脑等可以使用无线网络的设备。
针对上述问题，现有的解决方案是增设信号发射装置，以此来增大信号的覆盖面积，或者是更换功率更强的信号发射装置以增强信号，例如增加或更换基站，无线路由器。现有技术从改善信号源，来使覆盖范围内信号更强、覆盖范围更广，以此增强处于信号发射装置覆盖范围内的终端用户信号的强度。通过该方案，虽然可在一定范围内一定程度的增大了信号的强度，但基站设备成本高昂，更换成本大，并且，增强的信号区域固定，不能随使用者移动而移动。
因此，目前需要本领域技术人员迫切解决的一个技术问题就是：提出一种增强无线用 户终端信号的策略，不需要局限于固定地点，可以增加无线用户终端信号的强度，且所需成本较低。
发明内容
本发明为了解决上述现有技术存在的缺陷，提供一种增强无线用户终端信号的装置和方法，不需要局限于固定地点，可以有效增强手持终端信号的强度，且所需成本极低。
为了解决上述问题，本发明公开了一种增强无线用户终端信号的装置，所述装置包括耦合天线和载体，所述耦合天线通过所述载体附着在所述无线用户终端上，所述耦合天线具有一端头，所述端头位于所述无线用户终端天线的耦合区域内，所述耦合天线绕开无线用户终端的接地端，使得所述耦合天线与所述无线用户终端的天线耦合；其中，所述耦合区域为以所述无线用户终端的天线的馈点为圆心、以所述无线用户终端收、发信号波长的1/10为半径形成的球体区域。
本发明所述耦合天线的材质为用户终端的天线通常使用的材质，例如为铜、铜合金、铝或铝合金；或者为不锈钢镀金或镀镍；或者为柔性线路板。
所述耦合天线的形状因不同的用户终端内的天线形状的不同而不同，可以为长条形、L型、带孔长条形或者喇叭形的片状体。
当耦合天线的长度l在λ/4±5mm范围内时，无线用户终端的信号增强的幅度最大，其中，λ为无线用户终端信号的波长。
本发明还公开了一种增强无线用户终端信号的方法，包括如下步骤：
提供耦合天线和载体；
将所述耦合天线通过所述载体附着于所述无线用户终端，附着的条件满足：
所述耦合天线的端头位于所述无线用户终端天线的耦合区域内，
所述耦合天线绕开无线用户终端的接地端；
其中，所述耦合区域为以无线用户终端的天线的馈点为圆心、以所述无线用户终端收、发信号的波长的1/10为半径形成的球体区域。
本发明所述载体可以为绝缘卡片或为所述无线用户终端的保护壳、保护套。
本发明通过在使用无线信号的无线用户终端上，设置耦合天线，可有效增强无线用户终端的信号；本发明公开的增强无线用户终端信号的装置附着在无线用户终端上，体积小，造价极低，同时便于携带，可随着无线用户终端的移动而移动,不局限在固定地点；耦合天线不需要电源额外供电，节约能源，更环保；耦合天线借助于载体安装于所述手持终端 中内置天线的耦合范围，安装位置精准，操作方便。由于上述多项有益效果的客观存在，本发明提高了用户的体验效果，极容易被推广使用。
附图说明
图1为本发明的无线用户终端天线与耦合天线的电耦合原理示意图；
图2为本发明应用在手机的实施例的示意图；
图3为载体为翻盖式的皮套时，耦合天线的安装示意图；
图4为载体为拉伸式的背壳时，耦合天线的安装示意图；
图5为载体为旋转式的背壳时，耦合天线的安装示意图；
图6为iPhone5手机使用翻盖式皮套装载耦合天线被动测试的结果示意图；
图7为iPhone5手机使用拉伸式背壳装载耦合天线被动测试的结果示意图；
图8为iPhone5手机使用旋转式背壳装载耦合天线被动测试的结果示意图。
具体实施方式
下面结合附图及实施例对本发明作进一步描述。
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本发明作进一步详细的说明。
本发明实施例的核心构思之一在于，在无线用户终端的合适位置安装耦合天线，使得耦合天线能够精确与无线用户终端的天线耦合，借此来增大无线用户终端天线接收、发射信号的强度。
本发明增强信号的方式基于电耦合原理。图1为本发明的无线用户终端天线与耦合天线的电耦合原理示意图。如图1所示，无线用户终端包括天线2、天线2在馈点22处，通过天线馈线21将天线接入IC电路板，接收和发送无线用户终端的信号。在无线用户终端的合适区域(下称耦合区域)内安装能够与无线用户终端的天线2相耦合的耦合天线1。在短波、超短波频段下，天线2与耦合天线1间不是开路状态，设置耦合天线后，耦合天线与天线间存在不能忽略的寄生电容3，耦合天线1与天线2耦合。耦合天线1与天线耦合后，耦合天线1为电流提供一条低阻抗的路径，从而将电磁波通过耦合天线1辐射出去，或者将基站、路由器等基地台的信号通过耦合天线1与天线2的组合接收进入无线用户终端的接收电路，借此提升无线用户终端天线的效率，增强无线用户终端信号的强度。容抗越大，耦合天线1与天线2之间的耦合量越大，对无线用户终端的信号强度的增强效果越 好。
寄生电容量3的大小取决于天线2与耦合天线1的形状、尺寸以及相对位置等因素的影响。天线2与耦合天线1之间的容抗为：
Figure PCTCN2016080781-appb-000001
其中，j常数，
f为电磁波信号频率，
C为电容量。
如上面公式所示，当无线用户终端确定后，所用信号频率已知，则天线与耦合天线间的容抗与寄生电容3的电容量C呈反比关系。而寄生电容3的电容量C与耦合天线1与天线2的形状、大小以及相对位置有关。即对一使用特定信号的无线用户终端而言，能够通过调整耦合天线1与天线2的相对位置、耦合天线1的形状、耦合天线1的大小中的任一参数，可以调节天线与耦合天线间的容抗值，即可调整无线用户终端的信号的强度。
需要说明的是，因一个无线用户终端可适用几个不同频率的信号，如一般的手机可适用2G、3G、4G、wifi几类不同的信号,而同一类的信号，如3G信号，不同的运营商使用的3G信的频率也不完全相同，wifi的信号也有2400Hz、有5000Hz之分。本发明所述的“无线用户终端的信号”，是指无线用户终端所使用的一个确定频率的信号，与之对应的确定耦合区域所用到的“无线用户终端信号波长”，是指该待增强的信号的波长。即在技术方案中，待增强的无线用户终端的信号是与耦合天线是一一对应的：一个手机面对不同频率的信号，天线的耦合区域不同，所使用的耦合天线也有所不同。
本发明所述的无线用户终端信号的强度，是指无线用户终端接收或发送信号的能力，可由天线的效率表示。
为了使得耦合天线与无线用户终端的天线成功耦合，耦合天线的基部设置在合适的区域内。耦合天线一般可制作成金属箔，如图1所示，耦合天线1为长条形，耦合天线的基部是指金属箔的一个端头11。本发明将该合适区域简称为耦合区域，经过试验验证，耦合区域是指以天线2的馈点22为圆心、以无线用户终端收、发信号波长的1/10为半径形成的球体区域。本发明所称的“无线用户终端收、发信号波长”，是指本发明在发明目的中所述的待增强的信号。在图1的视角中，耦合区域为虚线围成的范围A。将上述耦合天线的基部置于耦合区域内，天线收发信号的强度有所增强。
为了防止维修过程中的意外损坏，无线用户终端通常会设置有接地端，在手机中，常称为“手机的地”。该接地端一般为导电性良好的材质。需要注意的是，接地端与耦合天线之间在适当的条件下也会产生寄生电容，并且该寄生电容不容忽视：若不采取措施，接地端与耦合天线之间产生的寄生电容，将破坏耦合天线与天线的匹配。也就是说，一旦接地端与耦合天线产生寄生电容，耦合天线与天线的耦合效果将被影响。并且因为导电材质的设置面积一般比较大，会影响耦合天线和天线的辐射，即使有耦合天线的存在，也能够使得天线的辐射效率变差，因此，本发明要求，耦合天线要绕开无线用户终端的接地端。也就是说，在设置耦合天线时，耦合天线与用户中的接地端间隔设置，不接触。一般地，耦合天线绕开接地端在耦合天线设置面上的投影。一般地，为了更彻底地远离无线用户终端的接地端，耦合天线在背壳上的设置位置绕开接地端在耦合天线设置面上的投影，但本发明并不强制要求绕开开接地端在耦合天线设置面上的投影。
本发明所涉及耦合天线的材质，可选取与用户终端天线相同的材质，例如综合考虑成本以及传递信号的能力，优选可为铜、铜合金、铝或铝合金；或者为不锈钢镀金或镀镍；再或者，在一些经常弯折的场所，可以选择柔性线路板(Flexible Printed Circuit Board，简称FPC板)。
天线效率的增强效果与天线和耦合天线的形状有关。耦合天线具体的形状可依天线形状而改变，常用的几种形状为长条形、L型、带孔长条形或者喇叭形。当耦合天线为喇叭形时，喇叭口端，也就是大端落入耦合区域内。
实验证明：当耦合天线的长度在天线的工作信号波段的1/4波长左右时，天线的辐射效率将得到明显的提升，信号的强度得到增强显著增强。优选的耦合天线的长度l可在λ/4±5mm范围内选取，其中，λ为无线用户终端收、发信号的波长。
基于上述原理，本发明提出一种增强无线用户终端信号的装置和方法。本发明所述的无线用户终端可以是使用2G、3G、4G、wifi等短波、超短波频段无线信号的手机、平板电脑、移动数据采集器、笔记本电脑、台式电脑等设备。为了将耦合天线准确牢固地附着于无线用户终端上，可借助于载体附着，载体可为无线用户终端的保护套、保护盖或者绝缘的塑料片。
下面通过具体实施例来对本发明做具体说明。应当理解的是，下述说明仅是对本发明优选实施方式的描述，而非对本发明的限制，本领域普通技术人员由本发明的发明构思以及具体实施方式所作的等效变形，均在本发明的保护范围，特此说明。
本发明公开一种增强无线用户终端信号的装置，包括耦合天线和载体，耦合天线通过 载体附着在无线用户终端上，耦合天线具有一端头，端头位于无线用户终端天线的耦合区域内，耦合天线绕开无线用户终端的接地端，使得耦合天线与无线用户终端的天线耦合；其中，耦合区域为以无线用户终端的天线的馈点为圆心、以无线用户终端收、发信号波长的1/10为半径形成的球体区域。
下面以手机为例来说明本发明增强无线用户终端信号的装置的具体结构。
如图2所示，在本实施例中，增强无线用户终端信号的装置包括耦合天线1和手机保护壳，手机保护壳即上述载体的具体体现。手机保护壳固定在手机的后壳上。耦合天线的附着于手机保护壳上，耦合天线1为长条形，其一端头11位于手机天线2的耦合区域A内。在本实施例中，耦合天线1绕开无线用户终端的接地端在手机后壳上的投影，即区域B，耦合天线1与天线2之间产生寄生电容3,耦合天线1与手机天线耦合，耦合天线1为电流提供一条低阻抗的路径从而将电磁波通过耦合天线1辐射出去，或者将基站或路由器等基地台的信号通过耦合天线2与天线的组合进入无线用户终端的接收电路，借此提升无线用户终端天线的效率，增强无线用户终端信号的强度。承前所述，耦合区域为以天线馈点22为圆心、以手机信号波长的1/10为半径形成的球体区域，在图2所示的平面，该耦合区域的投影为A。
在本实施例中，以频率为2.4GHz的wifi电磁波信号为例，1/4波长为31.25mm，则耦合天线的长度在26-36mm范围内选取，即在1/4波长加、减5mm范围之内选择。优选为1/4波长，可取31mm或32mm，或者为了便于加工，可选取整数30、35mm。
本发明所述的载体可以为多种，举例来说，可以是附着在用户终端上的保护套或者保护壳，也可以是塑料等绝缘材料的卡片。
需要说明的是，本发明所述的载体，视情况与不同类型的无线用户终端匹配，而不强制一一对应，或一种载体适配所有类型的无线用户终端。如：保护套或者保护壳可适配手机、平板电脑以及移动数据采集器；塑料卡片可以适配手机、平板电脑以及移动数据采集器，对于笔记本电脑或台式电脑上设置耦合天线的方式，采用塑料卡片则是更优的选择；特别地，也可以在使用保护壳或者保护套的同时，同时使用塑料卡片等零件对柔软的耦合天线进行保护，防止耦合天线变形。下面逐一说明不同载体附着在无线用户终端的方式：
当载体是塑料卡片时，将耦合天线与塑料卡片集合成一个整体，可制作成一个如数据卡的零件，再将耦合天线与塑料卡片构成的整体，插入手机壳体对应位置处的卡槽或插孔 内。
当载体是保护套时，如图3所示，以翻盖式的皮套为例，皮套包括背盖51和皮夹52，皮夹52与背盖51的连接区域可弯折区域。耦合天线1固定在皮夹的弯折区域，耦合天线的端头位于耦合区域内。在本实施例中，耦合天线可选用柔性电线板，柔性电线板抗弯折能力强，可大大提高耦合天线的使用寿命。
当载体是保护壳时，耦合天线附着于无线用户终端的方式随着保护壳的具体结构而有所不同：
如图4所示，保护壳为拉伸式背壳5a，背壳5a固定在无线用户终端的后盖上。背壳5a的对应手机耦合区域处设置有凹槽53a，在凹槽内设置与凹槽配合的拉条54a，拉条中内置有耦合天线1。此时，该拉条也可看做是耦合天线与塑料卡片的集合。通过在凹槽中抽、插拉条，进行耦合天线的安装和拆卸以及位置的调整。
如图5所示，保护壳为旋转式背壳5b，背壳5b固定在无线用户终端的后盖上。背壳5b包括转轴55b和活动条56b。转轴55b设置在背壳上，与背壳垂直，位于对应手机耦合区域内。活动条56b的一端铰接在转轴55b上，可绕转轴55b旋转。活动条56b可停止在任意所需的位置。耦合天线1设置在活动条56b内，或者，耦合天线粘贴在活动条的朝向无线用户终端的侧面。此时，该活动条也可看做是耦合天线与塑料卡片的集合。调整活动条56b的角度，即可调整无线用户终端收、发信号的强度。
将图3所示的翻盖式的皮套，应用到iPhone5手机上做效果验证：对iPhone5本身及装有翻盖式的皮套的iPhone5在同等条件下进行其在各种频率信号工作时的天线效率被动测试，测试环境为OTA全电波暗室(Satimo SG24)。测试结果如图6所示，从图中可以看出，在使用2400MHZ波段的wifi信号通讯时，iPhone5本身的内置天线效率约为20％，而当使用装有图3所示的皮套的iPhone5通讯，且皮套展开时，iPhone5内置天线效率增加为55％，可见，在wifi信号频段，增强皮套能够显著地提升wifi天线效率，即使在通信情况较差的环境下，也能获得不错的通信体验。
将图4所示的拉伸式背壳5a，应用到iPhone5手机上做效果验证：对iPhone5本身的信号及装有拉伸式背壳的iPhone5，在同等条件下进行其在各种频率信号工作时的天线效率被动测试。测试环境为OTA全电波暗室(Satimo SG24)。测试结果如图7所示，从图中可以看出，在使用2400MHZ波段的wifi信号通讯时，iPhone5本身的内置天线效率约为20％，当iPhone5套上拉伸式背壳5a，并将拉条拉出在最佳位置时，内置天线效率增加为47％，可见，在wifi信号频段，拉伸式背壳能够显著地提升wifi天线效率，即使在通信 情况较差的环境下，也能获得不错的通信体验。
将图5所示的旋转式背壳，应用到iPhone5手机上做效果验证：对iPhone5本身的信号及装有旋转式背壳的iPhone5，在同等条件下进行其在各种频率信号工作时的天线效率被动测试。测试环境为OTA全电波暗室(Satimo SG24)。测试结果如图7所示。可以看出，在使用2400MHZ波段的wifi信号通讯时，iPhone5本身的内置天线效率约为20％，而当旋转式背壳的活动条的角度为60°时，内置天线效率增加为43％，当iPhone5活动条的角度为120°时，内置天线效率增加为48％，可见，在wifi信号频段，旋转式背壳能够显著地提升wifi天线效率，另外，不同的角度天线的效率也有所不同，在本发明实施例中可以通过转轴调整耦合天线和内置天线的相对位置关系，从而提高天线效率，并且通过旋转可以选择出通信效果最佳的角度，故即使在通信情况较差的环境下，也能获得较佳的通信体验。
基于同一发明构思，本发明还提供一种增强无线用户终端信号的方法，具体为：
提供上述的耦合天线和载体；
将所述耦合天线通过所述载体附着于所述无线用户终端，附着的条件满足：
所述耦合天线的端头位于所述无线用户终端天线的耦合区域内，
所述耦合天线绕开无线用户终端的接地端；
其中，所述耦合区域为以无线用户终端天线馈点为圆心、以所述无线用户终端收、发信号波长的1/10为半径形成的球体区域。
本发明增强无线用户终端信号的方法，涉及到信号的网络(也就是信号的频率)、无线用户终端的类型，都与上述增强无线用户终端信号的装置涉及到的相同，不再详细描述。
上述方法中的载体为绝缘卡片或为所述无线用户终端的保护壳、保护套。
耦合天线的材质为铜、铜合金、铝或铝合金；或者为不锈钢镀金或镀镍；或者为柔性线路板。
耦合天线为长条形、L型、带孔长条形或者喇叭形的片状体。
耦合天线的长度l为λ/4±5mm，其中，λ为无线用户终端信号的波长。
本发明实施例的无线用户终端适配的载体可以是与无线用户终端适配的背壳，保护壳或保护套或者小巧的卡片，因此在实际中方便携带，并且由于保护壳与无线用户终端是适配的，因此本发明实施例在设置耦合天线时，能够根据不同型号的无线用户终端，如不同 型号的手机，设置适配的耦合天线的在保护壳的对应位置，使得耦合天线能够精确地与无线用户终端上的天线耦合，借此增强了内置天线的信号强度。由于是耦合天线是内嵌于载体之中，用户在使用过程中不会感受到耦合天线的存在，提高了用户的体验效果。
本发明针对同一型号的无线用户终端，可根据无线用户终端所使用的不同信号频率，同时设置不同的耦合天线与之相匹配。
以上对本发明所提供的一种无线用户终端信号增强的装置和方法进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，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。

Claims (10)

  1. 一种增强无线用户终端信号的装置，其特征在于，所述装置包括耦合天线和载体，所述耦合天线通过所述载体附着在所述无线用户终端上，所述耦合天线具有一端头，所述端头位于所述无线用户终端天线的耦合区域内，所述耦合天线绕开无线用户终端的接地端，使得所述耦合天线与所述无线用户终端的天线耦合；其中，所述耦合区域为以所述无线用户终端的天线的馈点为圆心、以所述无线用户终端收、发信号波长的1/10为半径形成的球体区域。
  2. 如权利要求1所述的增强无线用户终端信号的装置，其特征在于，所述耦合天线的材质为铜、铜合金、铝或铝合金；
    或者为不锈钢镀金或镀镍；
    或者为柔性线路板。
  3. 如权利要求1所述的增强无线用户终端信号的装置，其特征在于，所述耦合天线为长条形、L型、带孔长条形或者喇叭形的片状体。
  4. 如权利要求1所述的增强无线用户终端信号的装置，其特征在于，所述耦合天线的长度l为λ/4±5mm，其中，λ为所述无线用户终端收、发信号的波长。
  5. 如权利要求1所述的增强无线用户终端信号的装置，其特征在于，所述载体为绝缘卡片，所述绝缘卡片上附着有所述耦合天线，所述绝缘卡片和所述耦合天线通过插槽或插孔附着于所述无线用户终端。
  6. 一种增强无线用户终端信号的方法，其特征在于,包括如下步骤：
    提供耦合天线和载体；
    将所述耦合天线通过所述载体附着于所述无线用户终端，附着的条件满足：
    所述耦合天线的端头位于所述无线用户终端的天线的耦合区域内，
    所述耦合天线绕开无线用户终端的接地端；
    其中，所述耦合区域为以所述无线用户终端的天线的馈点为圆心、以所述无线用户终端收、发信号的波长的1/10为半径形成的球体区域。
  7. 如权利要求6所述的增强无线用户终端信号的方法，其特征在于：所述载体为绝缘卡片，或者所述载体为所述无线用户终端的保护壳、保护套。
  8. 如权利要求6所述的增强无线用户终端信号的方法，其特征在于：所述耦合天线的材质为铜、铜合金、铝或铝合金；
    或者为不锈钢镀金或镀镍；
    或者为柔性线路板。
  9. 如权利要求6所述的增强无线用户终端信号的方法，其特征在于：所述耦合天线为长条形、L型、带孔长条形或者喇叭形的片状体。
  10. 如权利要求6所述的增强无线用户终端信号的方法，其特征在于：所述耦合天线的长度l为λ/4±5mm，其中，λ为所述无线用户终端收、发信号的波长。
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