WO2016086593A1 - 一种移动终端切换天线及其切换方法 - Google Patents

一种移动终端切换天线及其切换方法 Download PDF

Info

Publication number
WO2016086593A1
WO2016086593A1 PCT/CN2015/078419 CN2015078419W WO2016086593A1 WO 2016086593 A1 WO2016086593 A1 WO 2016086593A1 CN 2015078419 W CN2015078419 W CN 2015078419W WO 2016086593 A1 WO2016086593 A1 WO 2016086593A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
module
mobile terminal
switching
baseband chip
Prior art date
Application number
PCT/CN2015/078419
Other languages
English (en)
French (fr)
Inventor
潘灵建
李晶晶
Original Assignee
捷开通讯(深圳)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 捷开通讯(深圳)有限公司 filed Critical 捷开通讯(深圳)有限公司
Priority to US14/906,172 priority Critical patent/US20160344097A1/en
Priority to EP15801974.5A priority patent/EP3240317B1/en
Publication of WO2016086593A1 publication Critical patent/WO2016086593A1/zh

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/247—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
    • 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
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/328—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors between a radiating element and ground
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/06—Registration at serving network Location Register, VLR or user mobility server

Definitions

  • the present invention relates to the field of mobile terminal antenna technologies, and in particular, to a mobile terminal switching antenna and a switching method thereof.
  • LTE Long Term Evolution
  • 4G Long Term Evolution
  • the antenna itself is a physical structure, and its efficiency is related to its environment. At present, the mobile phone is getting thinner and thinner, the functionality is increased, the device is also increasing, and the surrounding environment of the mobile phone antenna is also deteriorated (the antenna peripheral device becomes more and the space becomes smaller), which will affect the efficiency of the antenna, thereby reducing the user experience (download The rate is slower and the power consumption is increased).
  • the technical problem to be solved by the present invention is to provide a mobile terminal switching antenna and a switching method thereof according to the above-mentioned defects of the prior art, and aim to provide a novel switching antenna, which can achieve the antenna operation at a lower cost. In the different frequency bands, it also has better antenna performance, which can achieve greater bandwidth and higher efficiency in a limited mobile phone space.
  • a mobile terminal switching antenna which comprises:
  • Radio frequency module
  • Baseband chip for providing control signals
  • a voltage dividing module configured to divide the control signal
  • a noise blocking module configured to perform noise blocking on the control signal
  • a blocking module for blocking a DC signal from entering the antenna
  • An antenna matching module is configured to perform matching debugging on the antenna when the antenna is switched;
  • the baseband chip is connected to the antenna through the radio frequency module; the baseband chip is sequentially connected to the antenna through the voltage dividing module, the noise blocking module and the blocking module; the baseband chip further passes through the voltage dividing module, the noise blocking module, the one-way conduction module, and The antenna matching module is grounded.
  • the mobile terminal switches antennas, wherein the voltage dividing module includes a first resistor; and the baseband chip is connected to the noise blocking module through a first resistor.
  • the mobile terminal switches an antenna, wherein the noise blocking module includes a first capacitor and a first inductor; the voltage dividing module is connected to the blocking module through a first inductor; and the voltage dividing module is further grounded through the first capacitor.
  • the mobile terminal switches the antenna, wherein the blocking module includes a second capacitor; one end of the second capacitor is respectively connected to the noise blocking module and the unidirectional conduction module, and the other end of the second capacitor is connected to the antenna.
  • the blocking module includes a second capacitor; one end of the second capacitor is respectively connected to the noise blocking module and the unidirectional conduction module, and the other end of the second capacitor is connected to the antenna.
  • the mobile terminal switches antennas, wherein the unidirectional conduction module includes a radio frequency diode; an anode of the radio frequency diode is respectively connected to a noise blocking module and a blocking module, and a cathode of the radio frequency diode is connected to an antenna matching module.
  • the unidirectional conduction module includes a radio frequency diode; an anode of the radio frequency diode is respectively connected to a noise blocking module and a blocking module, and a cathode of the radio frequency diode is connected to an antenna matching module.
  • the mobile terminal switches antennas, wherein the antenna matching module includes a second inductor; one end of the second inductor is connected to the unidirectional conduction module, and the other end is grounded.
  • the mobile terminal switches an antenna, wherein a switching point is disposed on the antenna; one end of the switching point is connected to the antenna, and the other end is connected to a blocking module.
  • the mobile terminal switches antennas, wherein when the baseband chip does not output a control signal, the antenna is in a first working state including a plurality of working frequency bands; when the baseband chip outputs a control signal, the antenna is in an antenna Contains a second operating state of a plurality of other operating bands.
  • a switching method for switching antennas by using the mobile terminal includes the following steps:
  • the mobile terminal receives the radio frequency signal sent by the base station and scans each frequency band;
  • the antenna of the mobile terminal works in the first working state.
  • the mobile terminal receives the frequency band information of the operator required by the mobile terminal's SIM card, the mobile terminal registers with the network, and the mobile terminal works normally;
  • the baseband chip outputs a control signal
  • the antenna of the mobile terminal is in a second working state including another plurality of working frequency bands
  • the mobile terminal scans each frequency band in the second working state one by one, when the mobile terminal receives the radio frequency signal sent by the base station
  • the carrier's frequency band information required by the SIM card of the mobile terminal is met, the network terminal is registered and the mobile terminal works normally.
  • the mobile terminal switching antenna and the switching method thereof provided by the invention effectively solve the problem that the bandwidth of the mobile terminal antenna is not wide enough in the prior art, the antenna itself is inefficient, and the mobile terminal itself cannot obtain the proper transmission rate, including An antenna; a radio frequency module; a baseband chip for providing a control signal; a voltage dividing module for dividing the control signal; a noise blocking module for blocking the control signal; and a blocking module for Blocking the DC signal into the antenna; the unidirectional conduction module is configured to unidirectionally pass the control signal; the antenna matching module is configured to perform matching debugging on the antenna when the antenna is switched; the baseband chip is connected to the antenna through the radio frequency module; the baseband The chip sequentially connects the antenna through the voltage dividing module, the noise blocking module and the blocking module; the baseband chip is also grounded through the voltage dividing module, the noise blocking module, the one-way conducting module and the antenna matching module in turn; the baseband chip does not emit and issue control The signal is sent to the antenna, thereby realizing the switching
  • FIG. 1 is a schematic structural diagram of a conventional mobile terminal antenna.
  • FIG. 2 is a structural block diagram of a preferred embodiment of a mobile terminal switching antenna according to the present invention.
  • FIG. 3 is a flowchart of a method for switching a handover antenna of a mobile terminal according to the present invention.
  • the present invention provides a mobile terminal switching antenna and a switching method thereof.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • FIG. 1 is a schematic structural diagram of a conventional mobile terminal antenna.
  • the existing mobile terminal includes a baseband chip 101, a radio frequency transceiver 102, an amplifier, a duplexer matching and a switch device 103, and the like.
  • the antenna 104 acts as a structural member or physical component and is directly connected to the radio frequency module as a passive device for transmitting and receiving signals.
  • the baseband chip 101 encodes and modulates the voice and data information collected or generated by the mobile terminal, transmits it to the radio frequency transceiver 102, and converts it into a radio frequency signal through the radio frequency transceiver 102, and is matched by an amplifier, a duplexer, and a switch. After 103, it is radiated through the antenna 104.
  • This is the antenna principle of the existing mobile terminal, which is a prior art and will not be described too much here.
  • FIG. 2 is a structural block diagram of a preferred embodiment of a mobile terminal switching antenna according to the present invention.
  • the mobile terminal switching antenna provided by the present invention includes: an antenna 300; a radio frequency module 200; a signal baseband chip 100; a voltage dividing module 10 for dividing the control signal; a noise blocking module 20 for blocking the control signal; and a blocking module 30 for blocking a DC signal from entering the antenna a unidirectional conduction module 40 for unidirectionally controlling the control signal; an antenna matching module 50 for matching and debugging the antenna when the antenna is switched;
  • the baseband chip 100 is connected to the antenna 300 through the radio frequency module 200; the baseband chip 100 is The antenna 300 is connected to the voltage dividing module 10, the noise blocking module 20, and the blocking module 30. The baseband chip 100 is also grounded through the voltage dividing module 10, the noise blocking module 20, the unidirectional conduction module 40, and the antenna matching module 50 in sequence.
  • the radio frequency module 200 is a device such as the radio frequency transceiver, amplifier, duplexer matching, and switch described in FIG.
  • the baseband chip 100 and antenna 300 are components of a mobile terminal.
  • the invention adds a circuit to the antenna based on the existing antenna, that is, the baseband chip 100 sequentially connects the antenna 300 through the voltage dividing module 10, the noise blocking module 20 and the blocking module 30; the baseband chip 100 also passes through The voltage dividing module 10, the noise blocking module 20, the unidirectional conduction module 40, and the antenna matching module 50 are grounded such that when the baseband chip 100 does not output a control signal, the antenna 300 is in the first stage including a plurality of operating frequency bands.
  • the working state when the baseband chip 100 outputs a control signal, the antenna 300 is in a second operating state including a plurality of other operating frequency bands. That is to say, when the baseband chip 100 does not emit and send a control signal, the antenna 300 corresponds to a different operating frequency band.
  • the invention realizes the switching of the antenna by controlling whether the baseband chip 100 issues a control signal, thereby greatly improving the performance of receiving and transmitting the antenna of the mobile terminal: the improvement of the receiving performance can make the user still well away from the base station.
  • the receiving base station signal is used for the call; and the launching of the new energy can reduce the working current of the mobile terminal's radio frequency emission, so that the battery works longer, and the mobile terminal heats down.
  • the voltage dividing module 10 includes a first resistor R1 ; the baseband chip 100 is connected to the noise blocking module 20 through a first resistor R1 .
  • the function of the first resistor R1 is to divide the voltage, so as to prevent the voltage of the control signal emitted by the baseband chip 100 from being too high, which affects other devices, and the general value is about 50 to 100 ohms.
  • the noise blocking module 20 includes a first capacitor C1 and a first inductor L1; the voltage dividing module 10 is connected to the blocking module 30 through a first inductor L1; the voltage dividing module 10 is also grounded through the first capacitor C1 .
  • the function of the first capacitor C1 is to eliminate the noise of the control signal, avoid affecting the antenna, and let the noise directly to the ground, and the general value is about 33 to 100 picofarads (pf).
  • the first inductor L1 acts like the first capacitor C1 to prevent noise from passing, typically between about 40 and 100 nanohenry (nh).
  • the blocking module 30 includes a second capacitor C2; one end of the second capacitor C2 is connected to the noise blocking module 20 and the unidirectional conduction module 40, and the other end of the second capacitor C2 is connected to the antenna 300.
  • the unidirectional conduction module 40 includes a radio frequency diode D1; the anode of the radio frequency diode D1 is respectively connected to the noise blocking module 20 and the blocking module 30, and the cathode of the radio frequency diode D1 is connected to the antenna matching module 50.
  • the antenna matching module 50 includes a second inductor L2; one end of the second inductor L2 is connected to the unidirectional conduction module 40, and the other end is grounded.
  • the function of the second capacitor C2 is to prevent the DC signal from passing, avoiding entering the antenna 300 and passing it through the second inductor L2 to the ground through the RF diode D1.
  • the function of the RF diode D1 is to be in a through state when the control signal passes, so that the signal will pass through the second diode L2 to the ground through the RF diode D1 to form a loop.
  • the function of the second inductor L2 is to use as a matching debugging of the antenna when the switching is active, and the general value is about 8nh to 20nh.
  • the control signal is output by the GPIO (General Purpose Input Output, GPIO or bus expander, the function provided here is a control function) of the baseband chip 100.
  • the GPIO control signal output from the baseband chip 100 does not enter the antenna 300 through the second capacitor C2, and the noise contained therein is blocked by the first inductor L1 while passing through the first capacitor directly to the ground.
  • the radio frequency signal passes from the radio frequency module 200 through the antenna 300.
  • the control signal causes the radio frequency diode D1 to be in the path state, the current on the antenna 300 passes through the radio frequency diode D1, and because the first inductor L1 is blocked. The function does not enter the baseband chip 100.
  • the mobile terminal is a mobile phone. Since the frequency of the mobile phone RF antenna is high, it is above 700 MHz, and the control signal of the baseband chip 100 is a DC signal (which will be accompanied by high frequency noise), and the electrical signals are all flowed. The minimum impedance then goes to the ground. Then the DC signal does not pass through the second capacitor C2, but passes through the first inductor L1, the RF diode D1 and the second inductor L2 to the ground, the noise passes through the first capacitor C1 to the ground, and the loop of the antenna signal passes through the second capacitor. C2, the RF diode D1 and the second inductor L2 are grounded so as not to affect the transmission and reception of the RF signal.
  • antenna 300 generally has a feed point 302 and two locations.
  • the two locations are the first location 301 and the second location 303, respectively.
  • the first location 301 acts as a parasitic antenna, increasing the working bandwidth of the antenna.
  • the invention adds another switching point 304 on this basis, One end of the switching point 304 is connected to the antenna 300; the other end is connected to the second capacitor C2, and is sequentially connected to the ground through the second capacitor C2, the radio frequency diode D1 and the second inductor L2, and also passes through the first inductor L1 and the first capacitor C1.
  • the first resistor R1 is connected to the baseband chip 100, wherein the first capacitor C1 is grounded.
  • the mobile terminal switching antenna provided by the present invention, when the baseband chip 100 does not output a control signal, the antenna 300 is in a first working state including a plurality of working frequency bands; when the baseband chip 100 outputs a control signal, the Antenna 300 is in a second operational state that includes a further plurality of operating frequency bands.
  • the antenna 300 when the baseband chip 100 does not output a control signal to the first resistor R1, the antenna 300 is in a first operating state, in which the plurality of operating frequency bands are included; when the baseband chip 100 outputs a control signal to the first When a resistor R1 finally reaches the antenna 300, the antenna 300 is in a second operating state, and the second operating state includes a plurality of operating frequency bands, which are different from the first operating state.
  • the mobile terminal switching antenna provided by the present invention can operate in more frequency bands.
  • the antenna can cover more frequency bands and is more efficient.
  • the mobile terminal switching antenna provided by the invention can achieve the antenna working in different frequency bands at the same time, and has better antenna performance at the same time; obtaining greater bandwidth and higher efficiency in a limited mobile phone space;
  • the mobile terminal RF antenna operates over a larger frequency range while providing higher antenna efficiency.
  • many existing chips also provide dynamically tunable antennas, the chips are expensive and the circuits are more complicated, which in turn increases the difficulty of debugging.
  • the invention is relatively more concise and clear, the cost is very low compared to the chip price, the debugging is relatively simple, the debugging effect is even higher than the chip, and has obvious reference significance, which brings great convenience to the user.
  • the present invention further provides a method for switching a mobile terminal switching antenna, as shown in FIG. 3, including the following steps:
  • Step S100 The mobile terminal receives the radio frequency signal sent by the base station, and scans each frequency band.
  • Step S200 determining whether the current scanning frequency band is in a plurality of frequency bands included in the first working state in which the baseband chip does not issue the control signal, if yes, executing step S300; if not, executing step S400;
  • Step S300 The antenna of the mobile terminal works in the first working state.
  • the mobile terminal receives the frequency band information sent by the base station and meets the frequency band information of the operator required by the SIM card of the mobile terminal, the mobile terminal registers with the network, and the mobile terminal works normally. ;
  • Step S400 the baseband chip outputs a control signal
  • the antenna of the mobile terminal is in a second working state including another plurality of working frequency bands
  • the mobile terminal scans each frequency band in the second working state one by one, when the mobile terminal receives the radio frequency emitted by the base station
  • the signal conforms to the carrier's frequency band information required by the SIM card of the mobile terminal, the signal is registered to the network, and the mobile terminal works normally.
  • the baseband chip knows the frequency band information of the current scan, and determines whether the current scanning frequency band is in a plurality of frequency bands included when the antenna is in the first working state in which the baseband chip does not issue the control signal, and if the antenna state should be in the first working state at this time, Then the baseband chip does not issue a GPIO control signal, and the mobile terminal antenna operates in the correct first working state.
  • the mobile terminal receives the frequency band information of the operator required by the mobile terminal's SIM card, the mobile terminal registers with the network, and the mobile terminal works normally.
  • the mobile terminal antenna When the scanning frequency band is not in the first working state, the mobile terminal antenna is switched to the second working state, and the base station chip sends a GPIO control signal to switch the antenna to work in the second working state.
  • the mobile phone works in the second working state when the mobile phone receives the radio frequency signal sent by the base station and the carrier frequency band information required by the mobile phone.
  • the mobile terminal receives the frequency band information of the operator required by the mobile terminal's SIM card, the mobile terminal registers with the network, and the mobile terminal works normally.
  • the present invention provides a mobile terminal switching antenna and a switching method thereof, including an antenna, a radio frequency module, a baseband chip, a voltage dividing module, a noise blocking module, a blocking module, a one-way conducting module, and an antenna matching module;
  • the baseband chip is connected to the antenna through the radio frequency module;
  • the baseband chip is sequentially connected to the antenna through the voltage dividing module, the noise blocking module and the blocking module;
  • the baseband chip further passes through the voltage dividing module, the noise blocking module, the one-way conduction module, and
  • the antenna matching module is grounded;
  • the baseband chip does not emit and send a control signal to the antenna, thereby realizing the switching of the working state of the antenna, correspondingly changing the range of the frequency band that the antenna can receive, and greatly improving the performance of receiving and transmitting the antenna of the mobile terminal:
  • the improvement of the receiving performance allows the user to receive the base station signal to make a good call away from the base station; and the launching of new energy can reduce the

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Telephone Function (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本发明公开了一种移动终端切换天线及其切换方法，包括天线；射频模块；基带芯片；分压模块；阻噪模块；隔直模块；单向导通模块；天线匹配模块；所述基带芯片通过射频模块连接天线；所述基带芯片依次通过分压模块、阻噪模块和隔直模块连接天线；所述基带芯片还依次通过分压模块、阻噪模块、单向导通模块和天线匹配模块接地；通过基带芯片不发出与发出控制信号到天线，从而实现了天线的工作状态的切换，对应改变了天线可接收的频段范围，极大的提升移动终端天线接收和发射的性能；给用户带来了大大的方便。

Description

一种移动终端切换天线及其切换方法 技术领域
本发明涉及移动终端天线技术领域，尤其涉及的是一种移动终端切换天线及其切换方法。
背景技术
随着通信技术的发展，手机已经成为人们必不可少的设备。而LTE(Long Term Evolution，长期演进，俗称4G)技术已经成为新手机必备的技术要求。但是LTE频段繁多，设计的频率范围从700MHz到2.7GHz，这对手机天线的带宽要求越来越高，使得手机天线的研发变的更加困难。
LTE频段更多，频率范围更广，更有700MHz和2.5GHz以上的频率范围。这就对天线的提出了要求：更大的带宽，同时还得兼顾天线的效率。如果天线带宽不够宽，天线本身没有效率，手机本身就无法获得应有的传输速率。天线本身是个物理结构，而其效率是和其环境是有关系的。当前手机越来越薄，功能性增多，器件也随之增多，手机天线的周边环境也变差(天线周边器件变多，空间变小)，这些都会影响天线的效率，进而降低用户体验(下载速率变慢，耗电增加)。
因此，现有技术还有待于改进和发展。
发明内容
本发明要解决的技术问题在于，针对现有技术的上述缺陷，提供一种移动终端切换天线及其切换方法，旨在提供一种新型切换天线，使用较低的成本即可达到同时让天线工作在不同频段，同时拥有较好的天线性能，可在有限的手机空间里获得更大的带宽和更高的效率。
本发明解决技术问题所采用的技术方案如下：
一种移动终端切换天线，其中，包括：
天线；
射频模块；
基带芯片，用于提供控制信号；
分压模块，用于对所述控制信号进行分压；
阻噪模块，用于对所述控制信号进行阻噪；
隔直模块，用于阻止直流信号进入天线；
单向导通模块，用于单向导通所述控制信号；
天线匹配模块，用于当切换天线时对天线进行匹配调试；
所述基带芯片通过射频模块连接天线；所述基带芯片依次通过分压模块、阻噪模块和隔直模块连接天线；所述基带芯片还依次通过分压模块、阻噪模块、单向导通模块和天线匹配模块接地。
所述的移动终端切换天线，其中，所述分压模块包括第一电阻；所述基带芯片通过第一电阻连接阻噪模块。
所述的移动终端切换天线，其中，所述阻噪模块包括第一电容和第一电感；所述分压模块通过第一电感连接隔直模块；所述分压模块还通过第一电容接地。
所述的移动终端切换天线，其中，所述隔直模块包括第二电容；所述第二电容的一端分别连接阻噪模块和单向导通模块，所述第二电容的另一端连接天线。
所述的移动终端切换天线，其中，所述单向导通模块包括射频二极管；所述射频二极管的阳极分别连接阻噪模块和隔直模块，所述射频二极管的阴极连接天线匹配模块。
所述的移动终端切换天线，其中，所述天线匹配模块包括第二电感；所述第二电感的一端连接单向导通模块，另一端接地。
所述的移动终端切换天线，其中，在所述天线上设置有一切换点；所述切换点的一端连接所述天线，另一端连接隔直模块。
所述的移动终端切换天线，其中，当所述基带芯片不输出控制信号时，所述天线处于包含多个工作频段的第一工作状态；当所述基带芯片输出控制信号时，所述天线处于包含另外多个工作频段的第二工作状态。
一种采用所述的移动终端切换天线的切换方法，其中，包括以下步骤：
A、移动终端接收基站发出的射频信号，扫描各个频段；
B、判断当前扫描频段是否在天线处于基带芯片不发出控制信号的第一工作状态时包含的多个频段中，若为是，则执行步骤C；若为否，则执行步骤D；
C、移动终端的天线工作在所述第一工作状态，当移动终端接收到基站发出的射频信号符合移动终端的SIM卡所需的运营商的频段信息时，注册到网络，移动终端正常工作；
D、基带芯片输出控制信号，所述移动终端的天线处于包含另外多个工作频段的第二工作状态，移动终端逐个扫描第二工作状态中的各个频段，当移动终端接收到基站发出的射频信号符合移动终端的SIM卡所需的运营商的频段信息时，注册到网络，移动终端正常工作。
本发明所提供的一种移动终端切换天线及其切换方法，有效地解决了现有技术中移动终端天线带宽不够宽，天线本身没有效率，移动终端本身就无法获得应有的传输速率的问题，包括天线；射频模块；基带芯片，用于提供控制信号；分压模块，用于对所述控制信号进行分压；阻噪模块，用于对所述控制信号进行阻噪；隔直模块，用于阻止直流信号进入天线；单向导通模块，用于单向导通所述控制信号；天线匹配模块，用于当切换天线时对天线进行匹配调试；所述基带芯片通过射频模块连接天线；所述基带芯片依次通过分压模块、阻噪模块和隔直模块连接天线；所述基带芯片还依次通过分压模块、阻噪模块、单向导通模块和天线匹配模块接地；通过基带芯片不发出与发出控制信号到天线，从而实现了天线的工作状态的切换，对应改变了天线可接收的频段范围，极大的提升移动终端天线接收和发射的性能：接收性能的提升，可以让用户在 远离基站的地方依然可以很好的接收基站信号进行通话；而发射新能的提升，可以降低移动终端射频发射的工作电流，让电池工作的更长久，同时移动终端发热降低，给用户带来了大大的方便。
附图说明
图1为现有的移动终端天线的结构示意图。
图2为本发明提供的移动终端切换天线较佳实施例的结构框图。
图3为本发明提供的移动终端切换天线的切换方法的流程图。
具体实施方式
本发明提供一种移动终端切换天线及其切换方法，为使本发明的目的、技术方案及优点更加清楚、明确，以下参照附图并举实施例对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
请参阅图1，图1为现有的移动终端天线的结构示意图，如图所示，现有的移动终端包括基带芯片101，射频收发器102，放大器、双工器匹配及开关等器件103和天线104。天线104作为一个结构件或者物理件，作为一个无源器件直接连接到射频模块，用来发射和接收信号。所述基带芯片101将移动终端采集或生成的语音和数据信息进行编码和调制，发送给射频收发器102，再通过射频收发器102转换为射频信号，经放大器、双工器匹配及开关等器件103后，通过天线104辐射出去。此乃现有移动终端的天线原理，此乃现有技术，此处不做过多描述。
请参阅图2，图2为本发明提供的移动终端切换天线较佳实施例的结构框图，如图所示，本发明提供的移动终端切换天线包括：天线300；射频模块200；用于提供控制信号的基带芯片100；用于对所述控制信号进行分压的分压模块10；用于对所述控制信号进行阻噪的阻噪模块20；用于阻止直流信号进入天线的隔直模块30；用于单向导通所述控制信号的单向导通模块40；用于当切换天线时对天线进行匹配调试的天线匹配模块50；
所述基带芯片100通过射频模块200连接天线300；所述基带芯片100依 次通过分压模块10、阻噪模块20和隔直模块30连接天线300；所述基带芯片100还依次通过分压模块10、阻噪模块20、单向导通模块40和天线匹配模块50接地。
具体来说，所述射频模块200为图1中所说的射频收发器、放大器、双工器匹配及开关等器件。所述基带芯片100和天线300为移动终端的部件。本发明在现有天线的基础上增加了一个电路给天线供电，也就是基带芯片100依次通过分压模块10、阻噪模块20和隔直模块30连接天线300；所述基带芯片100还依次通过分压模块10、阻噪模块20、单向导通模块40和天线匹配模块50接地，使得天线300在所述基带芯片100不输出控制信号时，所述天线300处于包含多个工作频段的第一工作状态；在所述基带芯片100输出控制信号时，所述天线300处于包含另外多个工作频段的第二工作状态。也就是说，在基带芯片100分别在不发出与发出控制信号时，天线300对应有不同的工作频段。本发明通过控制基带芯片100是否发出控制信号，从而实现了天线的切换，极大的提升了移动终端天线接收和发射的性能：接收性能的提升，可以让用户在远离基站的地方依然可以很好的接收基站信号进行通话；而发射新能的提升，可以降低移动终端射频发射的工作电流，让电池工作的更长久，同时移动终端发热降低。
请继续参阅图2，具体来说，所述分压模块10包括第一电阻R1；所述基带芯片100通过第一电阻R1连接阻噪模块20。在实际应用时，第一电阻R1的作用是分压作用，避免基带芯片100发出的控制信号电压过高，对其它器件造成影响，一般值约50～100欧姆(ohm)。
进一步地，所述阻噪模块20包括第一电容C1和第一电感L1；所述分压模块10通过第一电感L1连接隔直模块30；所述分压模块10还通过第一电容C1接地。第一电容C1的作用是消除控制信号的噪声，避免影响天线，让噪声直接到地，一般值约33～100皮法(pf)。第一电感L1的作用和第一电容C1类似，阻止噪声通过，一般值约40～100纳亨(nh)。
进一步地，所述隔直模块30包括第二电容C2；所述第二电容C2的一端分别连接阻噪模块20和单向导通模块40，所述第二电容C2的另一端连接天线300。
所述单向导通模块40包括射频二极管D1；所述射频二极管D1的阳极分别连接阻噪模块20和隔直模块30，所述射频二极管D1的阴极连接天线匹配模块50。
所述天线匹配模块50包括第二电感L2；所述第二电感L2的一端连接单向导通模块40，另一端接地。
具体来说，所述第二电容C2的作用是阻止直流信号通过，避免进入天线300，让其通过射频二极管D1经过第二电感L2到地。射频二极管D1的作用是当控制信号通过的时候，处于直通状态，这样信号会通过射频二极管D1经第二电感L2到地，形成回路。第二电感L2的作用是当切换起作用时作为天线的匹配调试使用，一般值约8nh～20nh。
请继续参阅图2所示的电路图，所述控制信号是由基带芯片100的GPIO(General Purpose Input Output，通用输入/输出，简称为GPIO或总线扩展器，这里提供的功能是控制功能)口输出。基带芯片100输出的GPIO控制信号流向，不会通过第二电容C2进入天线300，里面包含的噪声会被第一电感L1阻隔，同时通过第一电容直接到地。
当天线300处于发射信号状态时，射频信号从射频模块200经过天线300，当控制信号使得射频二极管D1打开处于通路状态时，天线300上的电流通过射频二极管D1，而因为第一电感L1的阻隔作用，不会进入到基带芯片100。
在实际应用时，所述移动终端为手机，由于手机射频天线的频率很高，在700MHz以上，而基带芯片100的控制信号是直流信号(会附带高频噪声)，电信号都是会经流最小阻抗然后到地。那么直流信号不会经过第二电容C2，而是经由第一电感L1、射频二极管D1和第二电感L2到地，噪声会通过第一电容C1到地，而天线信号的回路会通过第二电容C2、射频二极管D1和第二电感L2到地，从而不会对射频信号的收发造成影响。
请继续参阅图2，现有技术中，天线300一般拥有一个馈点302和两个地点。其中，两个地点分别为第一地点301和第二地点303，第一地点301作为寄生天线，增加天线的工作带宽，此乃现有技术。当然，现有的移动终端天线也可能只有一个馈点和一个地点。本发明在这个基础上再增加一个切换点304， 此切换点304一端和天线300相连；另一端和第二电容C2相连，依次通过第二电容C2、射频二极管D1和第二电感L2连接到地，同时还通过第一电感L1、第一电容C1和第一电阻R1连接到基带芯片100，其中第一电容C1接地。
本发明提供的移动终端切换天线，当所述基带芯片100不输出控制信号时，所述天线300处于包含多个工作频段的第一工作状态；当所述基带芯片100输出控制信号时，所述天线300处于包含另外多个工作频段的第二工作状态。也就是说，当基带芯片100不输出控制信号到第一电阻R1时，天线300处于第一工作状态，在该第一工作状态中，包含多个工作频段；当基带芯片100输出控制信号到第一电阻R1最终到达天线300时，天线300便处于第二工作状态，在该第二工作状态中包含多个工作频段，这些工作频段与第一工作状态不同。这样，本发明提供的移动终端切换天线便可工作在更多的频段。天线便可覆盖更多的频段，且效率更高。
本发明提供的移动终端切换天线，使用较低的成本即可达到同时让天线工作在不同频段，同时拥有较好的天线性能；在有限的手机空间里获得更大的带宽和更高的效率；实现移动终端射频天线工作在更大的频率范围，同时提供更高的天线效率。虽然现有很多芯片也提供动态可调天线，但是芯片价格昂贵，同时电路更为复杂，进而带来的调试难度也增加。本发明相对更为简洁明了，成本相对于芯片价格非常低廉，调试也相对简单，调试效果甚至高于芯片，具有明显的借鉴意义，给用户带来了大大的方便。
基于上述移动终端切换天线，本发明还提供了一种移动终端切换天线的切换方法，如图3所示，包括以下步骤：
步骤S100、移动终端接收基站发出的射频信号，扫描各个频段；
步骤S200、判断当前扫描频段是否在天线处于基带芯片不发出控制信号的第一工作状态时包含的多个频段中，若为是，则执行步骤S300；若为否，则执行步骤S400；
步骤S300、移动终端的天线工作在所述第一工作状态，当移动终端接收到基站发出的射频信号符合移动终端的SIM卡所需的运营商的频段信息时，注册到网络，移动终端正常工作；
步骤S400、基带芯片输出控制信号，所述移动终端的天线处于包含另外多个工作频段的第二工作状态，移动终端逐个扫描第二工作状态中的各个频段，当移动终端接收到基站发出的射频信号符合移动终端的SIM卡所需的运营商的频段信息时，注册到网络，移动终端正常工作。
具体来说，手机开机后，会开始逐个频段扫描，接收空间中基站发出的射频信号。此时基带芯片知道当前扫描的频段信息，判断当前扫描频段是否在天线处于基带芯片不发出控制信号的第一工作状态时包含的多个频段中，若此时天线状态应该在第一工作状态，则基带芯片不发出GPIO控制信号，那么移动终端天线工作在正确的第一工作状态。移动终端接收到基站发出的射频信号符合移动终端的SIM卡所需的运营商的频段信息时，注册到网络，移动终端正常工作。
当扫描频段不在第一工作状态中时，则移动终端天线切换成至第二工作状态，基站芯片发出GPIO控制信号，切换天线工作到第二工作状态。如此逐个扫描，当手机接收到基站发出的射频信号和手机所需的运营商的频段信息吻合，手机工作在该第二工作状态。移动终端接收到基站发出的射频信号符合移动终端的SIM卡所需的运营商的频段信息时，注册到网络，移动终端正常工作。
综上所述，本发明提供的一种移动终端切换天线及其切换方法，包括天线；射频模块；基带芯片；分压模块；阻噪模块；隔直模块；单向导通模块；天线匹配模块；所述基带芯片通过射频模块连接天线；所述基带芯片依次通过分压模块、阻噪模块和隔直模块连接天线；所述基带芯片还依次通过分压模块、阻噪模块、单向导通模块和天线匹配模块接地；通过基带芯片不发出与发出控制信号到天线，从而实现了天线的工作状态的切换，对应改变了天线可接收的频段范围，极大的提升移动终端天线接收和发射的性能：接收性能的提升，可以让用户在远离基站的地方依然可以很好的接收基站信号进行通话；而发射新能的提升，可以降低移动终端射频发射的工作电流，让电池工作的更长久，同时移动终端发热降低，给用户带来了大大的方便。
应当理解的是，本发明的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (14)

  1. 一种移动终端切换天线，其中，包括：
    天线；
    射频模块；
    基带芯片，用于提供控制信号；
    分压模块，用于对所述控制信号进行分压；
    阻噪模块，用于对所述控制信号进行阻噪；
    隔直模块，用于阻止直流信号进入天线；
    单向导通模块，用于单向导通所述控制信号；
    天线匹配模块，用于当切换天线时对天线进行匹配调试；
    所述基带芯片通过射频模块连接天线；所述基带芯片依次通过分压模块、阻噪模块和隔直模块连接天线；所述基带芯片还依次通过分压模块、阻噪模块、单向导通模块和天线匹配模块接地。
  2. 根据权利要求1所述的移动终端切换天线，其中，所述分压模块包括第一电阻；所述基带芯片通过第一电阻连接阻噪模块。
  3. 根据权利要求1所述的移动终端切换天线，其中，所述阻噪模块包括第一电容和第一电感；所述分压模块通过第一电感连接隔直模块；所述分压模块还通过第一电容接地。
  4. 根据权利要求1所述的移动终端切换天线，其中，所述隔直模块包括第二电容；所述第二电容的一端分别连接阻噪模块和单向导通模块，所述第二电容的另一端连接天线。
  5. 根据权利要求1所述的移动终端切换天线，其中，所述单向导通模块 包括射频二极管；所述射频二极管的阳极分别连接阻噪模块和隔直模块，所述射频二极管的阴极连接天线匹配模块。
  6. 根据权利要求1所述的移动终端切换天线，其中，所述天线匹配模块包括第二电感；所述第二电感的一端连接单向导通模块，另一端接地。
  7. 根据权利要求1所述的移动终端切换天线，其中，在所述天线上设置有一切换点；所述切换点的一端连接所述天线，另一端连接隔直模块。
  8. 根据权利要求2所述的移动终端切换天线，其中，在所述天线上设置有一切换点；所述切换点的一端连接所述天线，另一端连接隔直模块。
  9. 根据权利要求3所述的移动终端切换天线，其中，在所述天线上设置有一切换点；所述切换点的一端连接所述天线，另一端连接隔直模块。
  10. 根据权利要求4所述的移动终端切换天线，其中，在所述天线上设置有一切换点；所述切换点的一端连接所述天线，另一端连接隔直模块。
  11. 根据权利要求5所述的移动终端切换天线，其中，在所述天线上设置有一切换点；所述切换点的一端连接所述天线，另一端连接隔直模块。
  12. 根据权利要求6所述的移动终端切换天线，其中，在所述天线上设置有一切换点；所述切换点的一端连接所述天线，另一端连接隔直模块。
  13. 根据权利要求1所述的移动终端切换天线，其中，当所述基带芯片不输出控制信号时，所述天线处于包含多个工作频段的第一工作状态；当所述基带芯片输出控制信号时，所述天线处于包含另外多个工作频段的第二工作状态。
  14. 一种采用如权利要求1所述的移动终端切换天线的切换方法，其中，包括以下步骤：
    A、移动终端接收基站发出的射频信号，扫描各个频段；
    B、判断当前扫描频段是否在天线处于基带芯片不发出控制信号的第一工作状态时包含的多个频段中，若为是，则执行步骤C；若为否，则执行步骤D；
    C、移动终端的天线工作在所述第一工作状态，当移动终端接收到基站发出的射频信号符合移动终端的SIM卡所需的运营商的频段信息时，注册到网络，移动终端正常工作；
    D、基带芯片输出控制信号，所述移动终端的天线处于包含另外多个工作频段的第二工作状态，移动终端逐个扫描第二工作状态中的各个频段，当移动终端接收到基站发出的射频信号符合移动终端的SIM卡所需的运营商的频段信息时，注册到网络，移动终端正常工作。
PCT/CN2015/078419 2014-12-01 2015-05-06 一种移动终端切换天线及其切换方法 WO2016086593A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/906,172 US20160344097A1 (en) 2014-12-01 2015-05-06 Mobile terminal switching antenna and switching method thereof
EP15801974.5A EP3240317B1 (en) 2014-12-01 2015-05-06 Switching method for mobile terminal switching antenna

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410711405.6 2014-12-01
CN201410711405.6A CN104518812B (zh) 2014-12-01 2014-12-01 一种移动终端切换天线及其切换方法

Publications (1)

Publication Number Publication Date
WO2016086593A1 true WO2016086593A1 (zh) 2016-06-09

Family

ID=52793613

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/078419 WO2016086593A1 (zh) 2014-12-01 2015-05-06 一种移动终端切换天线及其切换方法

Country Status (4)

Country Link
US (1) US20160344097A1 (zh)
EP (1) EP3240317B1 (zh)
CN (1) CN104518812B (zh)
WO (1) WO2016086593A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104518812B (zh) * 2014-12-01 2017-11-10 惠州Tcl移动通信有限公司 一种移动终端切换天线及其切换方法
CN105577225B (zh) * 2016-02-01 2018-07-13 惠州Tcl移动通信有限公司 一种通讯设备的功率切换装置及其方法
CN108429567B (zh) * 2018-03-20 2023-07-14 国网浙江杭州市富阳区供电有限公司 一种采集载波增益终端
CN114374752A (zh) * 2021-12-21 2022-04-19 青岛海信移动通信技术股份有限公司 一种通信终端

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201590488U (zh) * 2009-06-25 2010-09-22 青岛海信移动通信技术股份有限公司 天线自适应匹配电路及具有该电路的移动通信终端
CN101877916A (zh) * 2010-06-13 2010-11-03 中兴通讯股份有限公司 多模移动终端及其天线匹配的实现方法
CN103457041A (zh) * 2013-08-19 2013-12-18 小米科技有限责任公司 天线电路、控制器、调制解调器、电路控制方法及终端
CN104518812A (zh) * 2014-12-01 2015-04-15 惠州Tcl移动通信有限公司 一种移动终端切换天线及其切换方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7076216B2 (en) * 2002-09-17 2006-07-11 Hitachi Metals, Ltd. High-frequency device, high-frequency module and communications device comprising them
WO2008105126A1 (ja) * 2007-02-28 2008-09-04 Nec Corporation アレイアンテナ、無線通信装置、およびアレイアンテナ制御方法
US9160074B2 (en) * 2008-03-05 2015-10-13 Ethertronics, Inc. Modal antenna with correlation management for diversity applications
WO2010004739A1 (ja) * 2008-07-08 2010-01-14 パナソニック株式会社 可変指向性アンテナ装置
US8743014B2 (en) * 2009-07-27 2014-06-03 Sharp Kabushiki Kaisha Antenna device and wireless communication terminal
CN101835250A (zh) * 2010-04-30 2010-09-15 华为终端有限公司 一种降低终端功耗的装置及方法
KR101318575B1 (ko) * 2011-11-16 2013-10-16 주식회사 팬택 공진 주파수 대역을 변경할 수 있는 안테나 장치를 구비하는 이동통신 단말기 및 이동통신 단말기의 안테나 장치 동작 방법
US8947308B2 (en) * 2012-02-17 2015-02-03 Skycross, Inc. Method and apparatus for controlling an antenna
CN103001006B (zh) * 2012-12-07 2016-06-15 Tcl通讯（宁波）有限公司 一种带有寄生天线的宽频手机天线及手机
EP2770579B1 (en) * 2013-01-16 2015-09-23 Huawei Device Co., Ltd. Multi-frequency antenna feed matching device, multi-frequency antenna, and wireless communication apparatus
CN103972656A (zh) * 2013-02-04 2014-08-06 华为终端有限公司 天线装置和终端设备
CN104349514B (zh) * 2013-07-26 2019-03-19 华为技术有限公司 多模无线终端
CN103928769B (zh) * 2014-03-25 2016-03-30 联想(北京)有限公司 天线匹配方法、电路及电子设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201590488U (zh) * 2009-06-25 2010-09-22 青岛海信移动通信技术股份有限公司 天线自适应匹配电路及具有该电路的移动通信终端
CN101877916A (zh) * 2010-06-13 2010-11-03 中兴通讯股份有限公司 多模移动终端及其天线匹配的实现方法
CN103457041A (zh) * 2013-08-19 2013-12-18 小米科技有限责任公司 天线电路、控制器、调制解调器、电路控制方法及终端
CN104518812A (zh) * 2014-12-01 2015-04-15 惠州Tcl移动通信有限公司 一种移动终端切换天线及其切换方法

Also Published As

Publication number Publication date
EP3240317A4 (en) 2018-06-27
CN104518812A (zh) 2015-04-15
US20160344097A1 (en) 2016-11-24
CN104518812B (zh) 2017-11-10
EP3240317B1 (en) 2020-02-19
EP3240317A1 (en) 2017-11-01

Similar Documents

Publication Publication Date Title
KR102403105B1 (ko) 간헐적 방출들 및/또는 공존 사양들에 대한 프론트 엔드 아키텍처
TWI467930B (zh) 用在射頻收發器中的無線電發射器前級及其方法
US8232925B2 (en) Impedance tuning of transmitting and receiving antennas
CN103178327B (zh) 用于控制可调谐天线系统的方法和装置
US8405568B2 (en) Wireless communication device antenna with tuning elements
US20120003944A1 (en) Radio transceiver for mobile communication terminal
CN104011998A (zh) 用于功率放大器的装置和方法
CN105099414A (zh) 基于rf变压器的tx/rx集成rf开关
TWI540788B (zh) 無線通訊裝置及調整天線匹配的方法
CN103988424A (zh) 具有高功率附加效率的倒装芯片线性功率放大器
CN106486742B (zh) 电子装置及其天线和用该电子装置接收或发射信号的方法
CN110137671A (zh) 天线结构及具有该天线结构的无线通信装置
TW201246685A (en) Handheld device and planar antenna thereof
WO2016086593A1 (zh) 一种移动终端切换天线及其切换方法
CN210092344U (zh) 天线组件及电子设备
US20160211874A1 (en) Small antenna apparatus and method for controlling the same
US20190222238A1 (en) Radio frequency front-end transmission method and transmission module, chip, and communications terminal
US10381710B1 (en) Single feed passive antenna for a metal back cover
US11757415B2 (en) High frequency amplifier circuit and communication device
US10021641B2 (en) Electronic device with wireless power transfer and reduced power consumption
US11277165B2 (en) Radio frequency front-end transmission module, chip, and communications terminal
CN110661543B (zh) 手机装置、射频收发器电路及阻抗调整装置
TWI668910B (zh) 天線結構及具有該天線結構之無線通訊裝置
CN215268270U (zh) 天线切换装置和终端
CN218975789U (zh) 通信设备

Legal Events

Date Code Title Description
REEP Request for entry into the european phase

Ref document number: 2015801974

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2015801974

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 14906172

Country of ref document: US

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15801974

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE