WO2017054678A1 - 一种天线和移动终端 - Google Patents

一种天线和移动终端 Download PDF

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Publication number
WO2017054678A1
WO2017054678A1 PCT/CN2016/099867 CN2016099867W WO2017054678A1 WO 2017054678 A1 WO2017054678 A1 WO 2017054678A1 CN 2016099867 W CN2016099867 W CN 2016099867W WO 2017054678 A1 WO2017054678 A1 WO 2017054678A1
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WO
WIPO (PCT)
Prior art keywords
antenna
mobile terminal
metal
back shell
metal back
Prior art date
Application number
PCT/CN2016/099867
Other languages
English (en)
French (fr)
Inventor
李鹏鹏
Original Assignee
努比亚技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 努比亚技术有限公司 filed Critical 努比亚技术有限公司
Publication of WO2017054678A1 publication Critical patent/WO2017054678A1/zh

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Classifications

    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • the present application relates to, but is not limited to, terminal technologies, and more particularly to an antenna and a mobile terminal.
  • FIG. 1 is a rear view of a mobile terminal in the related art.
  • the antenna is disposed on the metal frame 1 at the upper portion of the metal back shell with a frame, and a feed point is above the antenna.
  • the width of the metal frame 1 refers to the width of the metal frame 1 in the AA' direction.
  • the width of the metal frame 1 is generally not less than 8 to 10 millimeters (mm)
  • the thickness is not less than 6 mm
  • the proportion of the volume occupying the mobile terminal is large, thereby affecting the appearance of the shape of the mobile terminal.
  • the proportion of the volume occupied by the antennas at the upper and lower ends of the mobile terminal is required to be as small as possible, and if the width and thickness of the antenna are directly reduced, the performance of the antenna is directly affected.
  • Embodiments of the present invention provide an antenna and a mobile terminal, which can reduce the size of the antenna and ensure the performance of the antenna.
  • an embodiment of the present invention provides an antenna, where the antenna is disposed at an upper portion of a metal rear case of the mobile terminal, and a width of the antenna is less than or equal to a first preset threshold, and a thickness of the antenna is less than or equal to a first
  • Two preset thresholds are provided on the antenna with two feed points; one of the feed points is located to the left of the metal back shell, and the other feed point is located to the right of the metal back shell.
  • the antenna is connected to the non-antenna portion by a lumped inductor or ground lug.
  • the lumped inductance has a magnitude of 2.7 hens (H) or 3.3H or 4.7H.
  • the first preset threshold is 5 mm mm
  • the second preset threshold is 5 mm.
  • a distance between the one of the feeding points and the left metal frame of the metal back shell of the mobile terminal is less than or equal to 20 mm, and/or the another feeding point is behind the metal of the mobile terminal The distance between the right metal borders of the shell is less than or equal to 20 mm.
  • a distance between the one feeding point and a left metal frame of the metal back shell of the mobile terminal is 16 mm, and/or the another feeding point and the metal rear shell of the mobile terminal The distance between the right metal frames is 16mm.
  • one of the feeding points is connected to one end of the first diode or the first switch through the first feeding line, and the other feeding point is connected to one end of the second diode or the second switch through the second feeding line,
  • the other end of the first diode or the first switch is connected to the first coaxial line through a first matching circuit, and the other end of the second diode or the second switch is coaxial with the second through the second matching circuit Lines are connected.
  • the second diode or the second switch when the first diode or the first switch is turned on, the second diode or the second switch is turned off for controlling the first frequency band of the antenna; when the second When the diode or the second switch is turned on, the first diode or the first switch is turned off for controlling the second frequency band of the antenna.
  • the embodiment of the present invention further provides a mobile terminal, including at least: an antenna and a metal back shell;
  • the antenna is disposed at an upper portion of the metal back shell, the width of the antenna is less than or equal to a first preset threshold, the thickness of the antenna is less than or equal to a second preset threshold, and two feed points are disposed on the antenna. One of the feed points is located to the left of the metal back shell and the other feed point is to the right of the metal back shell.
  • the antenna and the non-antenna portion of the metal back shell are connected by a non-metallic portion of the metal back shell.
  • the mobile terminal further includes: a lumped inductor or a grounding piece, wherein the antenna is connected to the non-antenna portion of the metal back shell through the lumped inductor or grounding piece.
  • the mobile terminal further includes: an FR4 medium small board connected to the metal back shell;
  • the portion of the FR4 medium small board corresponding to the antenna includes three branches.
  • the width of the branches is less than or equal to 6 mm.
  • the branches have a width of 4 mm.
  • an embodiment of the present invention further provides an antenna, where the antenna is disposed at an upper portion of a metal rear case of the mobile terminal, the width of the antenna is less than or equal to a first preset threshold, and the thickness of the antenna is less than or equal to A second preset threshold is provided on the antenna with two feed points.
  • a distance between the one of the feeding points and the left metal frame of the metal back shell of the mobile terminal is less than or equal to 20 mm, and/or the another feeding point is behind the metal of the mobile terminal The distance between the right metal borders of the shell is less than or equal to 20 mm.
  • a distance between the one feeding point and a left metal frame of the metal back shell of the mobile terminal is 16 mm, and/or the another feeding point and the metal rear shell of the mobile terminal The distance between the right metal frames is 16mm.
  • the first preset threshold is 5 mm
  • the second preset threshold is 5 mm.
  • an embodiment of the present invention further provides a mobile terminal, including at least a metal back shell and the antenna of the third aspect.
  • the mobile terminal further includes: an FR4 medium small board connected to the metal back shell; wherein a portion of the FR4 medium small board corresponding to the antenna includes three branches.
  • the embodiment of the present invention includes: the antenna is disposed at an upper portion of the metal back shell of the mobile terminal, the width of the antenna is less than or equal to a first preset threshold, and the thickness of the antenna is less than or equal to a second preset threshold, and is set on the antenna.
  • FIG. 1 is a rear view of a mobile terminal in the related art
  • FIG. 2 is a schematic structural diagram of hardware of a mobile terminal that implements various embodiments of the present application
  • FIG. 3 is a schematic diagram of a wireless communication system of the mobile terminal shown in FIG. 2;
  • Figure 4 is a front elevational view of a metal back shell in accordance with an embodiment of the present invention.
  • FIG. 5 is a schematic view of a FR4 dielectric small plate located in a metal back shell according to an embodiment of the present invention.
  • the mobile terminal can be implemented in various forms.
  • the terminals described in this application may include, for example, mobile phones, smart phones, notebook computers, digital broadcast receivers, PDAs (Personal Digital Assistants), PADs (Tablets), PMPs (Portable Multimedia Players), navigation devices, and the like.
  • Mobile terminals and fixed terminals such as digital TVs, desktop computers, and the like.
  • the terminal is a mobile terminal.
  • configurations in accordance with embodiments of the present application can be applied to fixed type terminals in addition to elements that are specifically for mobile purposes.
  • FIG. 2 is a schematic diagram showing the hardware structure of a mobile terminal that implements various embodiments of the present application.
  • the mobile terminal 100 may include a wireless communication unit 110, an A/V (Audio/Video) input unit 120, The user input unit 130, the sensing unit 140, the output unit 150, the memory 160, the interface unit 170, the controller 180, the power supply unit 190, and the like.
  • Figure 1 illustrates a mobile terminal having various components, but it should be understood that not all illustrated components are required to be implemented. More or fewer components can be implemented instead. The elements of the mobile terminal will be described in detail below.
  • Wireless communication unit 110 typically includes one or more components that permit radio communication between mobile terminal 100 and a wireless communication system or network.
  • the wireless communication unit may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short-range communication module 114, and a location information module 115.
  • the broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel.
  • the broadcast channel can include a satellite channel and/or a terrestrial channel.
  • the broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to the terminal.
  • the broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and the like.
  • the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal.
  • the broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be received by the mobile communication module 112.
  • the broadcast signal may exist in various forms, for example, it may exist in the form of Digital Multimedia Broadcasting (DMB) Electronic Program Guide (EPG), Digital Video Broadcasting Handheld (DVB-H) Electronic Service Guide (ESG), and the like.
  • the broadcast receiving module 111 can receive a signal broadcast by using various types of broadcast systems.
  • the broadcast receiving module 111 can use forward link media (MediaFLO) by using, for example, multimedia broadcast-terrestrial (DMB-T), digital multimedia broadcast-satellite (DMB-S), digital video broadcast-handheld (DVB-H)
  • MediaFLO forward link media
  • the digital broadcasting system of the @ ) data broadcasting system, the terrestrial digital broadcasting integrated service (ISDB-T), and the like receives digital broadcasting.
  • the broadcast receiving module 111 can be constructed as various broadcast systems suitable for providing broadcast signals as well as the above-described digital broadcast system.
  • the broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of
  • the mobile communication module 112 transmits the radio signals to and/or receives radio signals from at least one of a base station (e.g., an access point, a Node B, etc.), an external terminal, and a server.
  • a base station e.g., an access point, a Node B, etc.
  • Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received in accordance with text and/or multimedia messages.
  • the wireless internet module 113 supports wireless internet access of the mobile terminal.
  • the module can be internally or externally coupled to the terminal.
  • the wireless Internet access technologies involved in the module may include WLAN (Wireless LAN) (Wi-Fi), Wibro (Wireless Broadband), Wimax (Worldwide Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access), etc. .
  • the short range communication module 114 is a module for supporting short range communication.
  • Some examples of short-range communication technology include Bluetooth TM, a radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, etc. TM.
  • the location information module 115 is a module for checking or acquiring location information of the mobile terminal.
  • a typical example of a location information module is a GPS (Global Positioning System) module.
  • the GPS module 115 calculates distance information and accurate time information from three or more satellites and applies triangulation to the calculated information to accurately calculate three-dimensional current position information based on longitude, latitude, and altitude.
  • the method for calculating position and time information uses three satellites and corrects the calculated position and time information errors by using another satellite.
  • the GPS module 115 is capable of calculating speed information by continuously calculating current position information in real time.
  • the A/V input unit 120 is for receiving an audio or video signal.
  • the A/V input unit 120 may include a camera 121 and a microphone 122 that processes image data of still pictures or video obtained by the image capturing device in a video capturing mode or an image capturing mode.
  • the processed image frame can be displayed on the display unit 151.
  • the image frames processed by the camera 121 may be stored in the memory 160 (or other storage medium) or transmitted via the wireless communication unit 110, and two or more cameras 121 may be provided according to the configuration of the mobile terminal.
  • the microphone 122 can receive sound (audio data) via a microphone in an operation mode of a telephone call mode, a recording mode, a voice recognition mode, and the like, and can process such sound as audio data.
  • the processed audio (voice) data can be converted to a format output that can be transmitted to the mobile communication base station via the mobile communication module 112 in the case of a telephone call mode.
  • the microphone 122 can implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated during the process of receiving and transmitting audio signals.
  • the user input unit 130 may generate key input data according to a command input by the user to control various operations of the mobile terminal.
  • the user input unit 130 allows the user to input various types of information, and may include a keyboard, a pot, a touch pad (eg, a touch sensitive component that detects changes in resistance, pressure, capacitance, etc. due to contact), a scroll wheel , rocker, etc.
  • a touch pad eg, a touch sensitive component that detects changes in resistance, pressure, capacitance, etc. due to contact
  • a scroll wheel e.g, a scroll wheel, rocker, etc.
  • a touch screen can be formed.
  • the sensing unit 140 detects the current state of the mobile terminal 100 (eg, the open or closed state of the mobile terminal 100), the location of the mobile terminal 100, the presence or absence of contact (ie, touch input) by the user with the mobile terminal 100, and the mobile terminal.
  • the sensing unit 140 can sense whether the slide type phone is turned on or off.
  • the sensing unit 140 can detect whether the power supply unit 190 provides power or whether the interface unit 170 is coupled to an external device.
  • Sensing unit 140 may include proximity sensor 141 which will be described below in connection with a touch screen.
  • the interface unit 170 serves as an interface through which at least one external device can connect with the mobile terminal 100.
  • the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, and an audio input/output. (I/O) port, video I/O port, headphone port, and more.
  • the identification module may be stored to verify various information used by the user using the mobile terminal 100 and may include a User Identification Module (UIM), a Customer Identification Module (SIM), a Universal Customer Identity Module (USIM), and the like.
  • the device having the identification module may take the form of a smart card, and thus the identification device may be connected to the mobile terminal 100 via a port or other connection device.
  • the interface unit 170 can be configured to receive input from an external device (eg, data information, power, etc.) and transmit the received input to one or more components within the mobile terminal 100 or can be used at the mobile terminal and external device Transfer data between.
  • the interface unit 170 may function as a path through which power is supplied from the base to the mobile terminal 100 or may be used as a transmission of various command signals allowing input from the base to the mobile terminal 100 The path to the terminal.
  • Various command signals or power input from the base can be used as signals for identifying whether the mobile terminal is accurately mounted on the base.
  • Output unit 150 is configured to provide an output signal (eg, an audio signal, a video signal, an alarm signal, a vibration signal, etc.) in a visual, audio, and/or tactile manner.
  • the output unit 150 may include a display unit 151, an audio output module 152, an alarm unit 153, and the like.
  • the display unit 151 can display information processed in the mobile terminal 100. For example, when the mobile terminal 100 is in the phone call mode, the display unit 151 can display a call or other communication (for example, Text messaging, multimedia file downloads, etc.) related user interface (UI) or graphical user interface (GUI). When the mobile terminal 100 is in a video call mode or an image capturing mode, the display unit 151 may display a captured image and/or a received image, a UI or GUI showing a video or image and related functions, and the like.
  • UI user interface
  • GUI graphical user interface
  • the display unit 151 can function as an input device and an output device.
  • the display unit 151 may include at least one of a liquid crystal display (LCD), a thin film transistor LCD (TFT-LCD), an organic light emitting diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like.
  • LCD liquid crystal display
  • TFT-LCD thin film transistor LCD
  • OLED organic light emitting diode
  • a flexible display a three-dimensional (3D) display, and the like.
  • 3D three-dimensional
  • Some of these displays may be configured to be transparent to allow a user to view from the outside, which may be referred to as a transparent display, and a typical transparent display may be, for example, a TOLED (Transparent Organic Light Emitting Diode) display or the like.
  • TOLED Transparent Organic Light Emitting Diode
  • the mobile terminal 100 may include two or more display units (or other display devices), for example, the mobile terminal may include an external display unit (not shown) and an internal display unit (not shown) .
  • the touch screen can be used to detect touch input pressure as well as touch input position and touch input area.
  • the audio output module 152 may convert audio data received by the wireless communication unit 110 or stored in the memory 160 when the mobile terminal is in a call signal receiving mode, a call mode, a recording mode, a voice recognition mode, a broadcast receiving mode, and the like.
  • the audio signal is output as sound.
  • the audio output module 152 can provide audio output (eg, call signal reception sound, message reception sound, etc.) associated with a particular function performed by the mobile terminal 100.
  • the audio output module 152 can include a speaker, a buzzer, and the like.
  • the alarm unit 153 can provide an output to notify the mobile terminal 100 of the occurrence of an event. Typical events may include call reception, message reception, key signal input, touch input, and the like. In addition to audio or video output, the alert unit 153 can provide an output in a different manner to notify of the occurrence of an event. For example, the alarm unit 153 can provide an output in the form of vibrations, and when a call, message, or some other incoming communication is received, the alarm unit 153 can provide a tactile output (ie, vibration) to notify the user of it. By providing such a tactile output, the user is able to recognize the occurrence of various events even when the user's mobile phone is in the user's pocket. The alarm unit 153 can also provide an output of the notification event occurrence via the display unit 151 or the audio output module 152.
  • the memory 160 can store a software program executed by the controller 180 and a control program, etc. Etc., or data that has been output or is about to be output (eg, phone book, message, still image, video, etc.) may be temporarily stored. Moreover, the memory 160 can store data regarding vibrations and audio signals of various manners that are output when a touch is applied to the touch screen.
  • the memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card type memory (eg, SD or DX memory, etc.), a random access memory (RAM), a static random access memory ( SRAM), read only memory (ROM), electrically erasable programmable read only memory (EEPROM), programmable read only memory (PROM), magnetic memory, magnetic disk, optical disk, and the like.
  • the mobile terminal 100 can cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
  • the controller 180 typically controls the overall operation of the mobile terminal. For example, the controller 180 performs the control and processing associated with voice calls, data communications, video calls, and the like.
  • the controller 180 may include a multimedia module 181 for reproducing (or playing back) multimedia data, which may be constructed within the controller 180 or may be configured to be separate from the controller 180.
  • the controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
  • the power supply unit 190 receives external power or internal power under the control of the controller 180 and provides appropriate power required to operate the various components and components.
  • the various embodiments described herein can be implemented in a computer readable medium using, for example, computer software, hardware, or any combination thereof.
  • the embodiments described herein may be through the use of application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays ( An FPGA, a processor, a controller, a microcontroller, a microprocessor, at least one of the electronic units designed to perform the functions described herein, in some cases, such an embodiment may be at the controller 180 Implemented in the middle.
  • implementations such as procedures or functions may be implemented with separate software modules that permit the execution of at least one function or operation.
  • the software code can be implemented by a software application (or program) written in any suitable programming language, which can be stored in memory 160 and executed by
  • the mobile terminal has been described in terms of its function.
  • various types of mobile terminals such as a folding type, a bar type, a swing type, a slide type mobile terminal, and the like will be described.
  • the mobile terminal 100 as shown in FIG. 2 may be configured to operate using a communication system such as a wired and wireless communication system and a satellite-based communication system that transmits data via frames or packets.
  • a communication system such as a wired and wireless communication system and a satellite-based communication system that transmits data via frames or packets.
  • Such communication systems may use different air interfaces and/or physical layers.
  • air interfaces used by communication systems include, for example, Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunications System (UMTS) (in particular, Long Term Evolution (LTE)). ), Global System for Mobile Communications (GSM), etc.
  • FDMA Frequency Division Multiple Access
  • TDMA Time Division Multiple Access
  • CDMA Code Division Multiple Access
  • UMTS Universal Mobile Telecommunications System
  • LTE Long Term Evolution
  • GSM Global System for Mobile Communications
  • the following description relates to a CDMA communication system, but such teachings are equally applicable to other types of systems.
  • a CDMA wireless communication system may include a plurality of mobile terminals 100, a plurality of base stations (BS) 270, a base station controller (BSC) 275, and a mobile switching center (MSC) 280.
  • the MSC 280 is configured to interface with a public switched telephone network (PSTN) 290.
  • PSTN public switched telephone network
  • the MSC 280 is also configured to interface with a BSC 275 that can be coupled to the base station 270 via a backhaul line.
  • the backhaul line can be constructed in accordance with any of a number of well known interfaces including, for example, E1/T1, ATM, IP, PPP, Frame Relay, HDSL, ADSL, or xDSL. It will be appreciated that the system as shown in FIG. 3 can include multiple BSCs 275.
  • Each BS 270 can serve one or more partitions (or regions), each of which is covered by a multi-directional antenna or an antenna directed to a particular direction radially away from the BS 270. Alternatively, each partition may be covered by two or more antennas for diversity reception. Each BS 270 can be configured to support multiple frequency allocations, and each frequency allocation has a particular frequency spectrum (eg, 1.25 MHz, 5 MHz, etc.).
  • BS 270 may also be referred to as a Base Transceiver Subsystem (BTS) or other equivalent terminology.
  • BTS Base Transceiver Subsystem
  • the term "base station” can be used to generally refer to a single BSC 275 and at least one BS 270.
  • a base station can also be referred to as a "cell station.”
  • each partition of a particular BS 270 may be referred to as a plurality of cellular stations.
  • a broadcast transmitter (BT) 295 transmits a broadcast signal to the mobile terminal 100 operating within the system.
  • a broadcast receiving module 111 as shown in FIG. 2 is provided at the mobile terminal 100 to receive a broadcast signal transmitted by the BT 295.
  • GPS Global Positioning System
  • the satellite 300 helps locate at least one of the plurality of mobile terminals 100.
  • a plurality of satellites 300 are depicted, but it is understood that any number of satellites can be utilized to obtain useful positioning information.
  • a location information module (GPS module) 115 as shown in FIG. 2 is typically configured to cooperate with the satellite 300 to obtain desired positioning information. Instead of GPS tracking technology or in addition to GPS tracking technology, other techniques that can track the location of the mobile terminal can be used. Additionally, at least one GPS satellite 300 can selectively or additionally process satellite DMB transmissions.
  • BS 270 receives reverse link signals from various mobile terminals 100.
  • Mobile terminal 100 typically participates in calls, messaging, and other types of communications.
  • Each reverse link signal received by a particular base station 270 is processed within a particular BS 270.
  • the obtained data is forwarded to the relevant BSC 275.
  • the BSC provides call resource allocation and coordinated mobility management functions including a soft handoff procedure between the BSs 270.
  • the BSC 275 also routes the received data to the MSC 280, which provides additional routing services for interfacing with the PSTN 290.
  • PSTN 290 interfaces with MSC 280, which forms an interface with BSC 275, and BSC 275 controls BS 270 accordingly to transmit forward link signals to mobile terminal 100.
  • FIG. 4 is a front elevational view of the metal backshell of the present embodiment.
  • an embodiment of the present invention provides an antenna 2.
  • the antenna 2 is disposed at an upper portion of a metal back shell of the mobile terminal.
  • the width of the antenna 2 is less than or equal to a first preset threshold, and the thickness of the antenna 2 is less than or equal to the first.
  • Two preset thresholds are provided on the antenna 2 with two feed points; one of the feed points 6 is located to the left of the metal back shell and the other feed point 7 is located to the right of the metal back shell.
  • one feeding point 6 is located on the left side of the metal back shell, and the other feeding point 7 is located on the right side of the metal back shell, indicated as: the feeding point 6 is located in the left half of the metal back shell, and the feeding point 7 is located in the right half of the metal back shell.
  • the metal back shell is a metal back shell with a metal frame.
  • the metal back shells of different mobile terminals have different sizes.
  • the metal back shell of some mobile terminals has a length of 150 mm (mm), a width of 70 mm, and a metal frame of a metal back shell has a height of 5 mm.
  • the thickness of the casing of the rear casing is 0.3 mm, and then the thickness of the antenna 2 may be 5 mm, the length is 70 mm, and the width is 5 mm.
  • the antenna 2 is connected to the non-antenna portion 4 through the lumped inductor 9 or the grounding piece, thereby increasing the electrical length of the antenna 2 and improving the performance of the antenna 2.
  • the lumped inductance 9 can take any value as long as it can satisfy the performance of the antenna 2. For example, it can take 2.7 hen (H), or 3.3H, or 4.7H.
  • the feed point 6 when the lumped inductance 9 is disposed on the left side, the feed point 6 may be located in the right half portion of the metal back shell, and the feed point 7 may be located in the left half portion of the metal back shell.
  • the antenna 2 is connected to the non-antenna portion 4 through the non-metal portion 3, and the height of the non-metal portion 3 may be, but not limited to, 2 mm.
  • the first preset threshold may be 5 mm, and/or the second preset threshold may be 5 mm.
  • the distance between one of the feeding points 6 and the left metal frame of the metal rear casing of the mobile terminal is less than or equal to 20 mm, and/or between the other feeding point 7 and the right metal frame of the metal rear casing of the mobile terminal The distance is less than or equal to 20mm.
  • the distance between one of the feed points 6 and the left metal frame of the metal back shell of the mobile terminal is 16 mm, and/or between the other feed point 7 and the right metal frame of the metal back shell of the mobile terminal The distance is 16mm.
  • one of the feed points 6 may be connected to the first diode or one end of the first switch through the feed line 5, and the other end of the first diode or the first switch passes the first matching circuit with the first 50 ohms ( ⁇
  • the coaxial line is connected, and the other feeding point 7 can be connected through the feeding line 8 to the second diode or the second switch, and the other end of the second diode or the second switch passes the second matching circuit and the second Two 50 ⁇ coaxial lines are connected.
  • the first diode or the first switch controls the high frequency band of the antenna 2 (including a distributed control system (DCS), a personal communication service (PCS), and a universal mobile communication system (UMTS, Universal Mobile Telecommunications).
  • DCS distributed control system
  • PCS personal communication service
  • UMTS Universal Mobile Telecommunications
  • the second diode or the second switch controls the low frequency band of the antenna 2 (including GSM800 and GSM900). Since the feeder 5 or the feeder 8 affects the coverage band of the antenna 2, it is necessary to increase the first matching circuit or the second matching circuit to increase the coverage band of the antenna 2 when the first diode or the first switch is turned on. The second diode or the second switch is turned off; when the second diode or the second switch is turned on, the first diode or the first switch is turned off.
  • FIG. 5 is a schematic view of a FR4 dielectric plate located in a metal back shell.
  • the portion of the FR4 dielectric board corresponding to the antenna 2 includes three branches 10, which function to improve the performance of the antenna.
  • the width of the branch 10 is less than or equal to 6 mm, when the width of the branch 10 is 4 mm The performance of the antenna is best.
  • the position of the three branches 10 can be arbitrary. As shown in Figure 5, the three branches 10 are located on the left, middle and right sides of the FR4 media plate, respectively.
  • the performance of the antenna 2 can also be improved by adjusting the matching circuit with the antenna.
  • the FR4 medium small plate can be connected to the metal back shell by glue or the like.
  • the width and thickness of the antenna are reduced, and the performance of the antenna is ensured.
  • the embodiment of the invention further provides a mobile terminal, comprising at least: an antenna and a metal back shell;
  • the antenna 2 is disposed at an upper portion of the metal back shell, the width of the antenna 2 is less than or equal to a first preset threshold, the thickness of the antenna 2 is less than or equal to a second preset threshold, and the antenna 2 is provided with two feed points; one of the feeds
  • the electrical point 6 is located to the left of the metal back shell and the other feed point 7 is located to the right of the metal back shell.
  • the antenna 2 and the non-antenna portion 4 of the metal back shell are connected by a non-metallic portion 3 of the metal back shell.
  • the antenna 2 is connected to the non-antenna portion 4 via a lumped inductor 9 or a grounding strip.
  • the mobile terminal further includes: an FR4 medium small board connected to the metal back shell;
  • the portion of the FR4 medium small board corresponding to the antenna includes three branches.
  • the width of the branch is less than or equal to 6 mm.
  • the width of the branches is 4 mm.
  • the embodiment method can be implemented by means of software plus a necessary general hardware platform, of course, also through hardware, but in many cases the former is a better implementation.
  • the technical solution of the present application which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
  • the instructions include a number of instructions for causing a terminal device (which may be a cell phone, computer, server, air conditioner, or network device, etc.) to perform the methods described in various embodiments of the present application.
  • An embodiment of the present invention provides an antenna and a mobile terminal.
  • a width of the antenna to be less than or equal to a first preset threshold
  • setting a thickness of the antenna to be less than or equal to a second preset threshold reduces the volume of the antenna, and is on the antenna.
  • Two feed points are set to ensure the performance of the antenna.

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Abstract

一种天线，设置在移动终端金属后壳的上部，天线的宽度小于或等于第一预设阈值，天线的厚度小于或等于第二预设阈值，天线上设置有两个馈电点；其中一个馈电点位于金属后壳的左边，另一个馈电点位于金属后壳的右边。通过上述方案，通过设置天线的宽度小于或等于第一预设阈值，设置天线的厚度小于或等于第二预设阈值，减小了天线的体积，并且在天线上设置两个馈电点，保证了天线的性能。

Description

一种天线和移动终端 技术领域
本申请涉及但不限于终端技术，尤指一种天线和移动终端。
背景技术
最近几年，全金属边框移动终端(如手机)由于外形美观、结构强度大、导热性能优越而备受国内外移动终端厂商的青睐。但是，随着金属覆盖面积比例的增大，留给移动终端天线设计的空间越来越小，从而极大地增加了移动终端天线的设计难度。
图1为相关技术中的移动终端的后视图。如图1所示，天线设置在带有边框的金属后壳的上部的金属边框1，天线的上方有一个馈电点。其中，金属边框的1的宽度指金属边框1在AA’方向上的宽度。
相关技术的天线中，由于金属边框1的宽度普遍不低于8～10毫米(mm)，厚度不低于6mm，占用移动终端的体积的比例较大，因此，影响了移动终端外形的美观。考虑移动终端外形的美观，要求移动终端上下两端天线占用的体积的比例尽可能小，而如果直接将天线的宽度和厚度调小，将直接影响天线的性能。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例提出了一种天线和移动终端，能够减小天线的体积并保证天线的性能。
第一方面，本发明实施例提出了一种天线，所述天线设置在移动终端金属后壳的上部，所述天线的宽度小于或等于第一预设阈值，所述天线的厚度小于或等于第二预设阈值，所述天线上设置有两个馈电点；其中一个馈电点位于金属后壳的左边，另一个馈电点位于金属后壳的右边。
可选地，所述天线通过集总电感或接地片与非天线部分相连。
可选地，所述集总电感的大小为2.7亨(H)或3.3H或4.7H。
可选地，所述第一预设阈值为5毫米mm，和/或，所述第二预设阈值为5mm。
可选地，所述其中一个馈电点与所述移动终端金属后壳的左金属边框之间的距离小于或等于20mm，和/或，所述另一个馈电点与所述移动终端金属后壳的右金属边框之间的距离小于或等于20mm。
可选地，所述其中一个馈电点与所述移动终端金属后壳的左金属边框之间的距离为16mm，和/或，所述另一个馈电点与所述移动终端金属后壳的右金属边框之间的距离为16mm。
可选地，其中一个馈电点通过第一馈线和第一二极管或第一开关的一端相连，另一个馈电点通过第二馈线和第二二极管或第二开关的一端相连，所述第一二极管或第一开关的另一端通过第一匹配电路与第一同轴线相连，所述第二二极管或第二开关的另一端通过第二匹配电路与第二同轴线相连。
可选地，当所述第一二极管或第一开关接通时，所述第二二极管或第二开关断开，用于控制所述天线的第一频段；当所述第二二极管或第二开关接通时，所述第一二极管或第一开关断开，用于控制所述天线的第二频段。
第二方面，本发明实施例还提出了一种移动终端，至少包括：天线以及金属后壳；
所述天线设置在金属后壳的上部，所述天线的宽度小于或等于第一预设阈值，所述天线的厚度小于或等于第二预设阈值，所述天线上设置有两个馈电点；其中一个馈电点位于金属后壳的左边，另一个馈电点位于金属后壳的右边。
可选地，通过所述金属后壳的非金属部分连接所述天线和所述金属后壳的非天线部分。
可选地，所述移动终端还包括：集总电感或接地片，其中，所述天线通过所述集总电感或接地片与所述金属后壳的非天线部分相连。
可选地，所述移动终端还包括：与所述金属后壳连接的FR4介质小板；
其中，所述FR4介质小板上与所述天线相对应的部分包括三个分支。
可选地，所述分支的宽度小于或等于6mm。
可选地，所述分支的宽度为4mm。
第三方面，本发明实施例还提出了一种天线，所述天线设置在移动终端金属后壳的上部，所述天线的宽度小于或等于第一预设阈值，所述天线的厚度小于或等于第二预设阈值，所述天线上设置有两个馈电点。
可选地，所述其中一个馈电点与所述移动终端金属后壳的左金属边框之间的距离小于或等于20mm，和/或，所述另一个馈电点与所述移动终端金属后壳的右金属边框之间的距离小于或等于20mm。
可选地，所述其中一个馈电点与所述移动终端金属后壳的左金属边框之间的距离为16mm，和/或，所述另一个馈电点与所述移动终端金属后壳的右金属边框之间的距离为16mm。
可选地，所述第一预设阈值为5mm，和/或，所述第二预设阈值为5mm。
第四方面，本发明实施例还提出一种移动终端，至少包括金属后壳以及第三方面所述的天线。
可选地，所述移动终端还包括：与所述金属后壳连接的FR4介质小板；其中，所述FR4介质小板上与所述天线相对应的部分包括三个分支。
与相关技术相比，本发明实施例包括：天线设置在移动终端金属后壳的上部，天线的宽度小于或等于第一预设阈值，天线的厚度小于或等于第二预设阈值，天线上设置有两个馈电点；其中一个馈电点位于金属后壳的左边，另一个馈电点位于金属后壳的右边。通过本发明实施例的方案，通过设置天线的宽度小于或等于第一预设阈值，设置天线的厚度小于或等于第二预设阈值，减小了天线的体积，并且在天线上设置两个馈电点，保证了天线的性能。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
下面对本发明实施例中的附图进行说明，实施例中的附图是用于对本申请的进一步理解，与说明书一起用于解释本申请，并不构成对本申请保护范 围的限制。
图1为相关技术中的移动终端的后视图；
图2为实现本申请各个实施例的移动终端的硬件结构示意图；
图3为如图2所示的移动终端的无线通信系统示意图；
图4为本发明实施例的金属后壳的前视图；
图5为本发明实施例中位于金属后壳内的FR4介质小板的示意图。
本申请目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
本发明的实施方式
为了便于本领域技术人员的理解，下面结合附图对本申请作进一步的描述，并不能用来限制本申请的保护范围。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的各种方式可以相互组合。
应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
现在将参考附图描述实现本申请各个实施例的移动终端。在后续的描述中，使用用于表示元件的诸如“模块”、“部件”或“单元”的后缀仅为了有利于本申请的说明，其本身并没有特定的意义。因此，"模块"与"部件"可以混合地使用。
移动终端可以以各种形式来实施。例如，本申请中描述的终端可以包括诸如移动电话、智能电话、笔记本电脑、数字广播接收器、PDA(个人数字助理)、PAD(平板电脑)、PMP(便携式多媒体播放器)、导航装置等等的移动终端以及诸如数字TV、台式计算机等等的固定终端。下面，假设终端是移动终端。然而，本领域技术人员将理解的是，除了特别用于移动目的的元件之外，根据本申请的实施方式的构造也能够应用于固定类型的终端。
图2为实现本申请各个实施例的移动终端的硬件结构示意。
移动终端100可以包括无线通信单元110、A/V(音频/视频)输入单元120、 用户输入单元130、感测单元140、输出单元150、存储器160、接口单元170、控制器180和电源单元190等等。图1示出了具有各种组件的移动终端，但是应理解的是，并不要求实施所有示出的组件。可以替代地实施更多或更少的组件。将在下面详细描述移动终端的元件。
无线通信单元110通常包括一个或多个组件，其允许移动终端100与无线通信系统或网络之间的无线电通信。例如，无线通信单元可以包括广播接收模块111、移动通信模块112、无线互联网模块113、短程通信模块114和位置信息模块115中的至少一个。
广播接收模块111经由广播信道从外部广播管理服务器接收广播信号和/或广播相关信息。广播信道可以包括卫星信道和/或地面信道。广播管理服务器可以是生成并发送广播信号和/或广播相关信息的服务器或者接收之前生成的广播信号和/或广播相关信息并且将其发送给终端的服务器。广播信号可以包括TV广播信号、无线电广播信号、数据广播信号等等。而且，广播信号可以进一步包括与TV或无线电广播信号组合的广播信号。广播相关信息也可以经由移动通信网络提供，并且在该情况下，广播相关信息可以由移动通信模块112来接收。广播信号可以以各种形式存在，例如，其可以以数字多媒体广播(DMB)的电子节目指南(EPG)、数字视频广播手持(DVB-H)的电子服务指南(ESG)等等的形式而存在。广播接收模块111可以通过使用各种类型的广播系统接收信号广播。特别地，广播接收模块111可以通过使用诸如多媒体广播-地面(DMB-T)、数字多媒体广播-卫星(DMB-S)、数字视频广播-手持(DVB-H)，前向链路媒体(MediaFLO@)的数据广播系统、地面数字广播综合服务(ISDB-T)等等的数字广播系统接收数字广播。广播接收模块111可以被构造为适合提供广播信号的各种广播系统以及上述数字广播系统。经由广播接收模块111接收的广播信号和/或广播相关信息可以存储在存储器160(或者其它类型的存储介质)中。
移动通信模块112将无线电信号发送到基站(例如，接入点、节点B等等)、外部终端以及服务器中的至少一个和/或从其接收无线电信号。这样的无线电信号可以包括语音通话信号、视频通话信号、或者根据文本和/或多媒体消息发送和/或接收的各种类型的数据。
无线互联网模块113支持移动终端的无线互联网接入。该模块可以内部或外部地耦接到终端。该模块所涉及的无线互联网接入技术可以包括WLAN(无线LAN)(Wi-Fi)、Wibro(无线宽带)、Wimax(全球微波互联接入)、HSDPA(高速下行链路分组接入)等等。
短程通信模块114是用于支持短程通信的模块。短程通信技术的一些示例包括蓝牙TM、射频识别(RFID)、红外数据协会(IrDA)、超宽带(UWB)、紫蜂TM等等。
位置信息模块115是用于检查或获取移动终端的位置信息的模块。位置信息模块的典型示例是GPS(全球定位系统)模块。根据当前的技术，GPS模块115计算来自三个或更多卫星的距离信息和准确的时间信息并且对于计算的信息应用三角测量法，从而根据经度、纬度和高度准确地计算三维当前位置信息。当前，用于计算位置和时间信息的方法使用三颗卫星并且通过使用另外的一颗卫星校正计算出的位置和时间信息的误差。此外，GPS模块115能够通过实时地连续计算当前位置信息来计算速度信息。
A/V输入单元120用于接收音频或视频信号。A/V输入单元120可以包括相机121和麦克风122，相机121对在视频捕获模式或图像捕获模式中由图像捕获装置获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元151上。经相机121处理后的图像帧可以存储在存储器160(或其它存储介质)中或者经由无线通信单元110进行发送，可以根据移动终端的构造提供两个或更多相机121。麦克风122可以在电话通话模式、记录模式、语音识别模式等等运行模式中经由麦克风接收声音(音频数据)，并且能够将这样的声音处理为音频数据。处理后的音频(语音)数据可以在电话通话模式的情况下转换为可经由移动通信模块112发送到移动通信基站的格式输出。麦克风122可以实施各种类型的噪声消除(或抑制)算法以消除(或抑制)在接收和发送音频信号的过程中产生的噪声或者干扰。
用户输入单元130可以根据用户输入的命令生成键输入数据以控制移动终端的各种操作。用户输入单元130允许用户输入各种类型的信息，并且可以包括键盘、锅仔片、触摸板(例如，检测由于被接触而导致的电阻、压力、电容等等的变化的触敏组件)、滚轮、摇杆等等。特别地，当触摸板以层的形 式叠加在显示单元151上时，可以形成触摸屏。
感测单元140检测移动终端100的当前状态，(例如，移动终端100的打开或关闭状态)、移动终端100的位置、用户对于移动终端100的接触(即，触摸输入)的有无、移动终端100的取向、移动终端100的加速或减速移动和方向等等，并且生成用于控制移动终端100的操作的命令或信号。例如，当移动终端100实施为滑动型移动电话时，感测单元140可以感测该滑动型电话是打开还是关闭。另外，感测单元140能够检测电源单元190是否提供电力或者接口单元170是否与外部装置耦接。感测单元140可以包括接近传感器141将在下面结合触摸屏来对此进行描述。
接口单元170用作至少一个外部装置与移动终端100连接可以通过的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。识别模块可以是存储用于验证用户使用移动终端100的各种信息并且可以包括用户识别模块(UIM)、客户识别模块(SIM)、通用客户识别模块(USIM)等等。另外，具有识别模块的装置(下面称为"识别装置")可以采取智能卡的形式，因此，识别装置可以经由端口或其它连接装置与移动终端100连接。接口单元170可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到移动终端100内的一个或多个元件或者可以用于在移动终端和外部装置之间传输数据。
另外，当移动终端100与外部底座连接时，接口单元170可以用作允许通过其将电力从底座提供到移动终端100的路径或者可以用作允许从底座输入的各种命令信号通过其传输到移动终端的路径。从底座输入的各种命令信号或电力可以用作用于识别移动终端是否准确地安装在底座上的信号。输出单元150被构造为以视觉、音频和/或触觉方式提供输出信号(例如，音频信号、视频信号、警报信号、振动信号等等)。输出单元150可以包括显示单元151、音频输出模块152、警报单元153等等。
显示单元151可以显示在移动终端100中处理的信息。例如，当移动终端100处于电话通话模式时，显示单元151可以显示与通话或其它通信(例如， 文本消息收发、多媒体文件下载等等)相关的用户界面(UI)或图形用户界面(GUI)。当移动终端100处于视频通话模式或者图像捕获模式时，显示单元151可以显示捕获的图像和/或接收的图像、示出视频或图像以及相关功能的UI或GUI等等。
同时，当显示单元151和触摸板以层的形式彼此叠加以形成触摸屏时，显示单元151可以用作输入装置和输出装置。显示单元151可以包括液晶显示器(LCD)、薄膜晶体管LCD(TFT-LCD)、有机发光二极管(OLED)显示器、柔性显示器、三维(3D)显示器等等中的至少一种。这些显示器中的一些可以被构造为透明状以允许用户从外部观看，这可以称为透明显示器，典型的透明显示器可以例如为TOLED(透明有机发光二极管)显示器等等。根据特定想要的实施方式，移动终端100可以包括两个或更多显示单元(或其它显示装置)，例如，移动终端可以包括外部显示单元(未示出)和内部显示单元(未示出)。触摸屏可用于检测触摸输入压力以及触摸输入位置和触摸输入面积。
音频输出模块152可以在移动终端处于呼叫信号接收模式、通话模式、记录模式、语音识别模式、广播接收模式等等模式下时，将无线通信单元110接收的或者在存储器160中存储的音频数据转换音频信号并且输出为声音。而且，音频输出模块152可以提供与移动终端100执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出模块152可以包括扬声器、蜂鸣器等等。
警报单元153可以提供输出以将事件的发生通知给移动终端100。典型的事件可以包括呼叫接收、消息接收、键信号输入、触摸输入等等。除了音频或视频输出之外，警报单元153可以以不同的方式提供输出以通知事件的发生。例如，警报单元153可以以振动的形式提供输出，当接收到呼叫、消息或一些其它进入通信(incomingcommunication)时，警报单元153可以提供触觉输出(即，振动)以将其通知给用户。通过提供这样的触觉输出，即使在用户的移动电话处于用户的口袋中时，用户也能够识别出各种事件的发生。警报单元153也可以经由显示单元151或音频输出模块152提供通知事件的发生的输出。
存储器160可以存储由控制器180执行的处理和控制操作的软件程序等 等，或者可以暂时地存储己经输出或将要输出的数据(例如，电话簿、消息、静态图像、视频等等)。而且，存储器160可以存储关于当触摸施加到触摸屏时输出的各种方式的振动和音频信号的数据。
存储器160可以包括至少一种类型的存储介质，所述存储介质包括闪存、硬盘、多媒体卡、卡型存储器(例如，SD或DX存储器等等)、随机访问存储器(RAM)、静态随机访问存储器(SRAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、可编程只读存储器(PROM)、磁性存储器、磁盘、光盘等等。而且，移动终端100可以与通过网络连接执行存储器160的存储功能的网络存储装置协作。
控制器180通常控制移动终端的总体操作。例如，控制器180执行与语音通话、数据通信、视频通话等等相关的控制和处理。另外，控制器180可以包括用于再现(或回放)多媒体数据的多媒体模块181，多媒体模块181可以构造在控制器180内，或者可以构造为与控制器180分离。控制器180可以执行模式识别处理，以将在触摸屏上执行的手写输入或者图片绘制输入识别为字符或图像。
电源单元190在控制器180的控制下接收外部电力或内部电力并且提供操作各元件和组件所需的适当的电力。
这里描述的各种实施方式可以以使用例如计算机软件、硬件或其任何组合的计算机可读介质来实施。对于硬件实施，这里描述的实施方式可以通过使用特定用途集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理装置(DSPD)、可编程逻辑装置(PLD)、现场可编程门阵列(FPGA)、处理器、控制器、微控制器、微处理器、被设计为执行这里描述的功能的电子单元中的至少一种来实施，在一些情况下，这样的实施方式可以在控制器180中实施。对于软件实施，诸如过程或功能的实施方式可以与允许执行至少一种功能或操作的单独的软件模块来实施。软件代码可以由以任何适当的编程语言编写的软件应用程序(或程序)来实施，软件代码可以存储在存储器160中并且由控制器180执行。
至此，己经按照其功能描述了移动终端。下面，为了简要起见，将描述诸如折叠型、直板型、摆动型、滑动型移动终端等等的各种类型的移动终端 中的滑动型移动终端作为示例。因此，本申请能够应用于任何类型的移动终端，并且不限于滑动型移动终端。
如图2中所示的移动终端100可以被构造为利用经由帧或分组发送数据的诸如有线和无线通信系统以及基于卫星的通信系统来操作。
现在将参考图3描述其中根据本申请的移动终端能够操作的通信系统。
这样的通信系统可以使用不同的空中接口和/或物理层。例如，由通信系统使用的空中接口包括例如频分多址(FDMA)、时分多址(TDMA)、码分多址(CDMA)和通用移动通信系统(UMTS)(特别地，长期演进(LTE))、全球移动通信系统(GSM)等等。作为非限制性示例，下面的描述涉及CDMA通信系统，但是这样的教导同样适用于其它类型的系统。
参考图3，CDMA无线通信系统可以包括多个移动终端100、多个基站(BS)270、基站控制器(BSC)275和移动交换中心(MSC)280。MSC280被构造为与公共电话交换网络(PSTN)290形成接口。MSC280还被构造为与可以经由回程线路耦接到基站270的BSC275形成接口。回程线路可以根据若干己知的接口中的任一种来构造，所述接口包括例如E1/T1、ATM，IP、PPP、帧中继、HDSL、ADSL或xDSL。将理解的是，如图3中所示的系统可以包括多个BSC 275。
每个BS270可以服务一个或多个分区(或区域)，由多向天线或指向特定方向的天线覆盖的每个分区放射状地远离BS270。或者，每个分区可以由用于分集接收的两个或更多天线覆盖。每个BS270可以被构造为支持多个频率分配，并且每个频率分配具有特定频谱(例如，1.25MHz，5MHz等等)。
分区与频率分配的交叉可以被称为CDMA信道。BS270也可以被称为基站收发器子系统(BTS)或者其它等效术语。在这样的情况下，术语"基站"可以用于笼统地表示单个BSC275和至少一个BS270。基站也可以被称为"蜂窝站"。或者，特定BS270的各分区可以被称为多个蜂窝站。
如图3中所示，广播发射器(BT)295将广播信号发送给在系统内操作的移动终端100。如图2中所示的广播接收模块111被设置在移动终端100处以接收由BT295发送的广播信号。在图3中，示出了几个全球定位系统(GPS)卫星300。卫星300帮助定位多个移动终端100中的至少一个。
在图3中，描绘了多个卫星300，但是理解的是，可以利用任何数目的卫星获得有用的定位信息。如图2中所示的位置信息模块(GPS模块)115通常被构造为与卫星300配合以获得想要的定位信息。替代GPS跟踪技术或者在GPS跟踪技术之外，可以使用可以跟踪移动终端的位置的其它技术。另外，至少一个GPS卫星300可以选择性地或者额外地处理卫星DMB传输。
作为无线通信系统的一个典型操作，BS270接收来自各种移动终端100的反向链路信号。移动终端100通常参与通话、消息收发和其它类型的通信。特定基站270接收的每个反向链路信号被在特定BS270内进行处理。获得的数据被转发给相关的BSC275。BSC提供通话资源分配和包括BS270之间的软切换过程的协调的移动管理功能。BSC275还将接收到的数据路由到MSC280，其提供用于与PSTN290形成接口的额外的路由服务。类似地，PSTN290与MSC280形成接口，MSC与BSC275形成接口，并且BSC275相应地控制BS270以将正向链路信号发送到移动终端100。
基于上述移动终端硬件结构以及通信系统，提出本发明实施例的方案。
图4为本实施例的金属后壳的前视图。如图4所示，本发明实施例提出一种天线2，天线2设置在移动终端的金属后壳的上部，天线2的宽度小于或等于第一预设阈值，天线2的厚度小于或等于第二预设阈值，天线2上设置有两个馈电点；其中一个馈电点6位于金属后壳的左边，另一个馈电点7位于金属后壳的右边。
参照图4，其中一个馈电点6位于金属后壳的左边，另一个馈电点7位于金属后壳的右边，表示为：馈电点6位于金属后壳的左半部分区域，馈电点7位于金属后壳的右半部分区域。
其中，金属后壳为带金属边框的金属后壳。
其中，不同的移动终端的金属后壳的大小各不相同，例如，有些移动终端的金属后壳的长度为150毫米(mm)，宽度为70mm，金属后壳的金属边框的高度为5mm，金属后壳的壳体厚度为0.3mm，那么，天线2的厚度可以是5mm，长度为70mm，宽度为5mm。
其中，天线2通过集总电感9或接地片与非天线部分4相连，从而增加天线2的电长度，提高了天线2的性能。
其中，集总电感9可以取任意值，只要能够满足天线2的性能就可以，例如，可以取2.7亨(H)、或3.3H、或4.7H等。
在图4中，当集总电感9设置于左侧时，馈电点6可以位于金属后壳的右半部分区域，馈电点7可以位于金属后壳的左半部分区域。
其中，天线2通过非金属部分3与非天线部分4相连，非金属部分3的高度可以但不限于是2mm。
其中，第一预设阈值可以是5mm，和/或，第二预设阈值可以是5mm。
其中，其中一个馈电点6与移动终端金属后壳的左金属边框之间的距离为小于或等于20mm，和/或，另一个馈电点7与移动终端金属后壳的右金属边框之间的距离为小于或等于20mm。
可选地，其中一个馈电点6与移动终端金属后壳的左金属边框之间的距离为16mm，和/或，另一个馈电点7与移动终端金属后壳的右金属边框之间的距离为16mm。
其中，其中一个馈电点6可以通过馈线5和第一二极管或第一开关的一端相连，第一二极管或第一开关的另一端通过第一匹配电路与第一50欧姆(Ω)的同轴线相连，另一个馈电点7可以通过馈线8和第二二极管或第二开关的一端相连，第二二极管或第二开关的另一端通过第二匹配电路与第二50Ω的同轴线相连。第一二极管或第一开关控制天线2的高频段(包括分布式控制系统(DCS，Distributed Control System)、个人通讯服务(PCS，Personal Communication Service)、通用移动通讯系统(UMTS，Universal Mobile Telecommunications System)、长期演进(LTE，Long Term Evolution)2300、LTE2500)，第二二极管或第二开关控制天线2的低频段(包括GSM800和GSM900)。由于馈线5或馈线8会对天线2的覆盖频段产生影响，因此，需要增加第一匹配电路或第二匹配电路来增加天线2的覆盖频段，当第一二极管或第一开关接通时，第二二极管或第二开关断开；当第二二极管或第二开关接通时，第一二极管或第一开关断开。
其中，图5为位于金属后壳内的FR4介质小板的示意图。如图5所示，FR4介质小板上与天线2相对应的部分包含三个分支10，分支10起到提高天线性能的作用。分支10的宽度小于或等于6mm，当分支10的宽度为4mm 时，天线的性能最好。
三个分支10的位置可以是任意。如图5所示，三个分支10分别位于FR4介质小板的左边、中间和右边。
当三个分支10的宽度取不同的值时，也可以通过调整与天线的匹配电路来提高天线2的性能。
其中，FR4介质小板可以通过胶水等与金属后壳连接。
通过本发明实施例提供的天线，减小了天线的宽度和厚度，并保证了天线的性能。
本发明实施例还提出了一种移动终端，至少包括：天线以及金属后壳；
天线2设置在金属后壳的上部，天线2的宽度小于或等于第一预设阈值，天线2的厚度小于或等于第二预设阈值，天线2上设置有两个馈电点；其中一个馈电点6位于金属后壳的左边，另一个馈电点7位于金属后壳的右边。
其中，通过金属后壳的非金属部分3连接天线2和金属后壳的非天线部分4。
其中，天线2通过集总电感9或接地片与非天线部分4相连。
其中，所述移动终端还包括：与金属后壳连接的FR4介质小板；
其中，FR4介质小板上与天线相对应的部分包括三个分支。
其中，分支的宽度小于或等于6mm。
可选地，分支的宽度为4mm。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
上述本发明实施例序号仅仅为了描述，不代表实施例的优劣。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述 实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本申请各个实施例所述的方法。
以上仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。
工业实用性
本发明实施例提供一种天线和移动终端，通过设置天线的宽度小于或等于第一预设阈值，设置天线的厚度小于或等于第二预设阈值，减小了天线的体积，并且在天线上设置两个馈电点，保证了天线的性能。

Claims (20)

  1. 一种天线，所述天线设置在移动终端金属后壳的上部，所述天线的宽度小于或等于第一预设阈值，所述天线的厚度小于或等于第二预设阈值，所述天线上设置有两个馈电点；其中一个馈电点位于金属后壳的左边，另一个馈电点位于金属后壳的右边。
  2. 根据权利要求1所述的天线，其中，所述天线通过集总电感或接地片与非天线部分相连。
  3. 根据权利要求2所述的天线，其中，所述集总电感的大小为2.7亨H或3.3H或4.7H。
  4. 根据权利要求1所述的天线，其中，所述第一预设阈值为5毫米mm，和/或，所述第二预设阈值为5mm。
  5. 根据权利要求1所述的天线，其中，所述其中一个馈电点与所述移动终端金属后壳的左金属边框之间的距离小于或等于20毫米mm，和/或，所述另一个馈电点与所述移动终端金属后壳的右金属边框之间的距离小于或等于20mm。
  6. 根据权利要求5所述的天线，其中，所述其中一个馈电点与所述移动终端金属后壳的左金属边框之间的距离为16mm，和/或，所述另一个馈电点与所述移动终端金属后壳的右金属边框之间的距离为16mm。
  7. 根据权利要求1所述的天线，其中，其中一个馈电点通过第一馈线和第一二极管或第一开关的一端相连，另一个馈电点通过第二馈线和第二二极管或第二开关的一端相连，所述第一二极管或第一开关的另一端通过第一匹配电路与第一同轴线相连，所述第二二极管或第二开关的另一端通过第二匹配电路与第二同轴线相连。
  8. 根据权利要求7所述的天线，其中，当所述第一二极管或第一开关接通时，所述第二二极管或第二开关断开，用于控制所述天线的第一频段；当所述第二二极管或第二开关接通时，所述第一二极管或第一开关断开，用于控制所述天线的第二频段。
  9. 一种移动终端，至少包括：天线以及金属后壳；
    所述天线设置在所述金属后壳的上部，所述天线的宽度小于或等于第一预设阈值，所述天线的厚度小于或等于第二预设阈值，所述天线上设置有两个馈电点；其中一个馈电点位于所述金属后壳的左边，另一个馈电点位于所述金属后壳的右边。
  10. 根据权利要求9所述的移动终端，其中，通过所述金属后壳的非金属部分连接所述天线和所述金属后壳的非天线部分。
  11. 根据权利要求9或10所述的移动终端，所述移动终端还包括：集总电感或接地片，其中，所述天线通过所述集总电感或接地片与所述金属后壳的非天线部分相连。
  12. 根据权利要求9或10所述的移动终端，所述移动终端还包括：与所述金属后壳连接的FR4介质小板；
    其中，所述FR4介质小板上与所述天线相对应的部分包括三个分支。
  13. 根据权利要求12所述的移动终端，其中，所述分支的宽度小于或等于6毫米mm。
  14. 根据权利要求13所述的移动终端，其中，所述分支的宽度为4mm。
  15. 一种天线，所述天线设置在移动终端金属后壳的上部，所述天线的宽度小于或等于第一预设阈值，所述天线的厚度小于或等于第二预设阈值，所述天线上设置有两个馈电点。
  16. 根据权利要求15所述的天线，其中，所述其中一个馈电点与所述移动终端金属后壳的左金属边框之间的距离小于或等于20毫米mm，和/或，所述另一个馈电点与所述移动终端金属后壳的右金属边框之间的距离小于或等于20mm。
  17. 根据权利要求16所述的天线，其中，所述其中一个馈电点与所述移动终端金属后壳的左金属边框之间的距离为16mm，和/或，所述另一个馈电点与所述移动终端金属后壳的右金属边框之间的距离为16mm。
  18. 根据权利要求15所述的天线，其中，所述第一预设阈值为5毫米mm，和/或，所述第二预设阈值为5mm。
  19. 一种移动终端，至少包括金属后壳以及根据权利要求15至18任一 项所述的天线。
  20. 根据权利要求19所述的移动终端，所述移动终端还包括：与所述金属后壳连接的FR4介质小板；
    其中，所述FR4介质小板上与所述天线相对应的部分包括三个分支。
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